id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
e7a1cbca0b4255ac3e03f53d440fa38f7a41d8cc | Analyze and fix the following issue in the Linux kernel code: drm/gem-shmem: Do not map s/g table by default | Problem Details:
The vast majority of drivers that use GEM-SHMEM helpers do not use
an s/g table for imported buffers; specifically all drivers that use
DRM_GEM_SHMEM_DRIVER_OPS. Therefore convert the initializer macro
to DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT and remove the latter. This
helps to avoid swiotbl errors, suc... | ```diff
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 054acda41909..6fbf62a99c48 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -64,7 +64,7 @@ static const struct drm_driver ast_driver = {
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
... |
203817de269539c062724d97dfa5af3cdf77a3ec | Analyze and fix the following issue in the Linux kernel code: io_uring/zcrx: fix pp destruction warnings | Problem Details:
With multiple page pools and in some other cases we can have allocated
niovs on page pool destruction. Remove a misplaced warning checking that
all niovs are returned to zcrx on io_pp_zc_destroy(). It was reported
before but apparently got lost.
Reported-by: Pedro Tammela <pctammela@mojatatu.com>
Fixe... | ```diff
diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index ade4da9c4e31..67c518d22e0c 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -862,10 +862,7 @@ static int io_pp_zc_init(struct page_pool *pp)
static void io_pp_zc_destroy(struct page_pool *pp)
{
struct io_zcrx_ifq *ifq = io_pp_to_ifq(pp);
- struct io_... |
0e2cebd72321caeef84b6ba7084e85be0287fb4b | Analyze and fix the following issue in the Linux kernel code: platform/mellanox: mlxbf-pmc: Use kstrtobool() to check 0/1 input | Problem Details:
For setting the enable value, the input should be 0 or 1 only. Use
kstrtobool() in place of kstrtoint() in mlxbf_pmc_enable_store() to
accept only valid input.
Fixes: 423c3361855c ("platform/mellanox: mlxbf-pmc: Add support for BlueField-3")
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
R... | ```diff
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c
index c654b4bf141f..4776013e0764 100644
--- a/drivers/platform/mellanox/mlxbf-pmc.c
+++ b/drivers/platform/mellanox/mlxbf-pmc.c
@@ -1890,13 +1890,14 @@ static ssize_t mlxbf_pmc_enable_store(struct device *dev,
{
struct... |
f8c1311769d3b2c82688b294b4ae03e94f1c326d | Analyze and fix the following issue in the Linux kernel code: platform/mellanox: mlxbf-pmc: Validate event/enable input | Problem Details:
Before programming the event info, validate the event number received as input
by checking if it exists in the event_list. Also fix a typo in the comment for
mlxbf_pmc_get_event_name() to correctly mention that it returns the event name
when taking the event number as input, and not the other way round... | ```diff
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c
index 2b692a76398e..c654b4bf141f 100644
--- a/drivers/platform/mellanox/mlxbf-pmc.c
+++ b/drivers/platform/mellanox/mlxbf-pmc.c
@@ -1223,7 +1223,7 @@ static int mlxbf_pmc_get_event_num(const char *blk, const char *evt)
... |
44e6ca8faeeed12206f3e7189c5ac618b810bb9c | Analyze and fix the following issue in the Linux kernel code: platform/mellanox: mlxbf-pmc: Remove newline char from event name input | Problem Details:
Since the input string passed via the command line appends a newline char,
it needs to be removed before comparison with the event_list.
Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver")
Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Reviewed-by: David... | ```diff
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c
index a1c529f1ff1a..2b692a76398e 100644
--- a/drivers/platform/mellanox/mlxbf-pmc.c
+++ b/drivers/platform/mellanox/mlxbf-pmc.c
@@ -15,6 +15,7 @@
#include <linux/hwmon.h>
#include <linux/platform_device.h>
#include <li... |
78eb18020a88a4eed15f5af7700ed570642ff8f1 | Analyze and fix the following issue in the Linux kernel code: firmware: tegra: Fix IVC dependency problems | Problem Details:
The IVC code is library code that other drivers need to select if they
need that library. However, if the symbol is user-selectable this can
lead to conflicts.
Fix this by making the symbol only selectable for COMPILE_TEST and add
a select TEGRA_IVC to TEGRA_BPMP, which is currently the only user.
Li... | ```diff
diff --git a/drivers/firmware/tegra/Kconfig b/drivers/firmware/tegra/Kconfig
index cde1ab8bd9d1..91f2320c0d0f 100644
--- a/drivers/firmware/tegra/Kconfig
+++ b/drivers/firmware/tegra/Kconfig
@@ -2,7 +2,7 @@
menu "Tegra firmware driver"
config TEGRA_IVC
- bool "Tegra IVC protocol"
+ bool "Tegra IVC protocol"... |
5cddd546df0fa21316735d1d60fe826886e0dc21 | Analyze and fix the following issue in the Linux kernel code: rust: pci: fix documentation related to Device instances | Problem Details:
Device instances in the pci crate represent a valid struct pci_dev, not a
struct device.
Fixes: 7b948a2af6b5 ("rust: pci: fix unrestricted &mut pci::Device")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Link: https://lore.kernel.org/r/20250706035944.18442-3-sergeantsagara@protonmail... | ```diff
diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs
index 9afe2a8ed637..a1febfbfc7d7 100644
--- a/rust/kernel/pci.rs
+++ b/rust/kernel/pci.rs
@@ -250,7 +250,8 @@ pub trait Driver: Send {
///
/// # Invariants
///
-/// A [`Device`] instance represents a valid `struct device` created by the C portion of the ke... |
d4e83784b2a9be58b938d55efb232d2751c4cab4 | Analyze and fix the following issue in the Linux kernel code: platform/x86: dell-ddv: Fix taking the psy->extensions_sem lock twice | Problem Details:
Calling power_supply_get_property() inside
dell_wmi_ddv_battery_translate() can cause a deadlock since this
function is also being called from the power supply extension code,
in which case psy->extensions_sem is already being held.
Fix this by using the new power_supply_get_property_direct() function... | ```diff
diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c
index 67f3d7158403..62e3d060f038 100644
--- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -689,9 +689,13 @@ static int dell_wmi_ddv_battery_translate(struct dell_wmi_dd... |
3ebed2fddf6fac5729ffc8c471c87d111b641678 | Analyze and fix the following issue in the Linux kernel code: power: supply: core: Add power_supply_get/set_property_direct() | Problem Details:
Power supply extensions might want to interact with the underlying
power supply to retrieve data like serial numbers, charging status
and more. However doing so causes psy->extensions_sem to be locked
twice, possibly causing a deadlock.
Provide special variants of power_supply_get/set_property() that
... | ```diff
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 33a5bfce4604..cfb0e3e0d4aa 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -1235,9 +1235,8 @@ bool power_supply_has_property(struct power_supply *psy,
... |
8346c6af27f1c1410eb314f4be5875fdf1579a10 | Analyze and fix the following issue in the Linux kernel code: platform/x86: alienware-wmi-wmax: Fix `dmi_system_id` array | Problem Details:
Add missing empty member to `awcc_dmi_table`.
Cc: stable@vger.kernel.org
Fixes: 6d7f1b1a5db6 ("platform/x86: alienware-wmi: Split DMI table")
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20250707-dmi-fix-v1-1-6730835d824d@gm... | ```diff
diff --git a/drivers/platform/x86/dell/alienware-wmi-wmax.c b/drivers/platform/x86/dell/alienware-wmi-wmax.c
index 20ec122a9fe0..1c21be25dba5 100644
--- a/drivers/platform/x86/dell/alienware-wmi-wmax.c
+++ b/drivers/platform/x86/dell/alienware-wmi-wmax.c
@@ -233,6 +233,7 @@ static const struct dmi_system_id awc... |
d78f76457d70d30e80b5d2e067d45de7a0505fc0 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Enable headset Mic on Positivo K116J | Problem Details:
Positivo K116J is equipped with ALC269VC, and needs a fix to make
the headset mic to work.
Also must to limits the internal microphone boost.
Signed-off-by: Edson Juliano Drosdeck <edson.drosdeck@gmail.com>
Link: https://patch.msgid.link/20250707114537.8291-1-edson.drosdeck@gmail.com
Signed-off-by: Ta... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c7720a2f47c3..060db37eab83 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -11426,6 +11426,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x2782, 0x0228, "Infinix ZERO BO... |
830a9e37cfb203aa0f73cd947eda89eda89cc48c | Analyze and fix the following issue in the Linux kernel code: coredump: fix PIDFD_INFO_COREDUMP ioctl check | Problem Details:
In Commit 1d8db6fd698de1f73b1a7d72aea578fdd18d9a87 ("pidfs,
coredump: add PIDFD_INFO_COREDUMP"), the following code was added:
if (mask & PIDFD_INFO_COREDUMP) {
kinfo.mask |= PIDFD_INFO_COREDUMP;
kinfo.coredump_mask = READ_ONCE(pidfs_i(inode)->__pei.coredump_mask);
}
[...]
... | ```diff
diff --git a/fs/pidfs.c b/fs/pidfs.c
index 69919be1c9d8..4625e097e3a0 100644
--- a/fs/pidfs.c
+++ b/fs/pidfs.c
@@ -319,7 +319,7 @@ static long pidfd_info(struct file *file, unsigned int cmd, unsigned long arg)
if (!c)
return -ESRCH;
- if (!(kinfo.mask & PIDFD_INFO_COREDUMP)) {
+ if ((kinfo.mask & PIDFD_I... |
cb863540e7c756abe7e709673a3e073c6a7aa8c0 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: tc358767: fix uninitialized variable regression | Problem Details:
Commit a59a27176914 ("drm/bridge: tc358767: convert to
devm_drm_bridge_alloc() API") split tc_probe_bridge_endpoint() in two
functions, thus duplicating the loop over the endpoints in each of those
functions. However it missed duplicating the of_graph_parse_endpoint() call
which initializes the struct ... | ```diff
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 61559467e2d2..562fea47b3ec 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -2422,6 +2422,7 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc, enum tc_mode mode)
struct dev... |
48f05c3b4b701ae7687fd44d462c88b7ac67e952 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: analogix_dp: Use devm_drm_bridge_alloc() API | Problem Details:
devm_drm_bridge_alloc() is the new API to be used for allocating
(and partially initializing) a private driver struct embedding
a struct drm_bridge.
Analogix DP driver somehow missed the automated conversion in commit
9c399719cfb9 ("drm: convert many bridge drivers from devm_kzalloc() to
devm_drm_brid... | ```diff
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index a1bc3e96dd35..ed35e567d117 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1041,7 +1041,7 @@ static int analogix... |
85e323bdbe28d4638aaefd8d9192763874efe9b0 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: Fix calibration data parser issue | Problem Details:
We will copy calibration data from position behind to front.
We have created a variable (tmp_val) point on top of calibration data
buffer, and tmp_val[1] is max of node number in original calibration
data structure, it will be overwritten after first data copy,
so can't be used as max node number check... | ```diff
diff --git a/sound/pci/hda/tas2781_hda.c b/sound/pci/hda/tas2781_hda.c
index 5f1d4b3e9688..34217ce9f28e 100644
--- a/sound/pci/hda/tas2781_hda.c
+++ b/sound/pci/hda/tas2781_hda.c
@@ -44,7 +44,7 @@ static void tas2781_apply_calib(struct tasdevice_priv *p)
TASDEVICE_REG(0, 0x13, 0x70),
TASDEVICE_REG(0, 0x18... |
b581e472d95d584d2e30e34f3e055d9754faddb2 | Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_fs: Remove unnecessary spinlocks. | Problem Details:
Commit 24729b307eefc ("usb: gadget: f_fs: Fix race between aio_cancel()
and AIO request complete") moved the call to usb_ep_free_request() from
ffs_epfile_async_io_complete() to ffs_user_copy_worker().
In ffs_user_copy_worker(), ki_complete() is called before
usb_ep_free_request(). Once ki_complete()... | ```diff
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 67fea7da4652..03308a065d5a 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -854,7 +854,6 @@ static void ffs_user_copy_worker(struct work_struct *work)
work);
int ret... |
2b7eec2ec3015f52fc74cf45d0408925e984ecd1 | Analyze and fix the following issue in the Linux kernel code: usb: early: xhci-dbc: Fix early_ioremap leak | Problem Details:
Using the kernel param earlyprintk=xdbc,keep without proper hardware
setup leads to this:
[ ] xhci_dbc:early_xdbc_parse_parameter: dbgp_num: 0
...
[ ] xhci_dbc:early_xdbc_setup_hardware: failed to setup the connection to host
...
[ ] calling kmemleak_late_init+0x0/0xa0 @ 1
[ ] kmemleak: Kernel ... | ```diff
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index 341408410ed9..41118bba9197 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -681,6 +681,10 @@ int __init early_xdbc_setup_hardware(void)
xdbc.table_base = NULL;
xdbc.out_buf = NULL;
+
+ early_i... |
62783c30d78aecf9810dae46fd4d11420ad38b74 | Analyze and fix the following issue in the Linux kernel code: USB: gadget: f_hid: Fix memory leak in hidg_bind error path | Problem Details:
In hidg_bind(), if alloc_workqueue() fails after usb_assign_descriptors()
has successfully allocated the USB descriptors, the current error handling
does not call usb_free_all_descriptors() to free the allocated descriptors,
resulting in a memory leak.
Restructure the error handling by adding proper c... | ```diff
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 97a62b926415..8e1d1e884050 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1278,18 +1278,19 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
... |
67a59f82196c8c4f50c83329f0577acfb1349b50 | Analyze and fix the following issue in the Linux kernel code: usb: musb: fix gadget state on disconnect | Problem Details:
When unplugging the USB cable or disconnecting a gadget in usb peripheral mode with
echo "" > /sys/kernel/config/usb_gadget/<your_gadget>/UDC,
/sys/class/udc/musb-hdrc.0/state does not change from USB_STATE_CONFIGURED.
Testing on dwc2/3 shows they both update the state to USB_STATE_NOTATTACHED.
Add c... | ```diff
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 6869c58367f2..caf4d4cd4b75 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1913,6 +1913,7 @@ static int musb_gadget_stop(struct usb_gadget *g)
* gadget driver here and have everything work;... |
737bb912ebbe4571195c56eba557c4d7315b26fb | Analyze and fix the following issue in the Linux kernel code: wifi: prevent A-MSDU attacks in mesh networks | Problem Details:
This patch is a mitigation to prevent the A-MSDU spoofing vulnerability
for mesh networks. The initial update to the IEEE 802.11 standard, in
response to the FragAttacks, missed this case (CVE-2025-27558). It can
be considered a variant of CVE-2020-24588 but for mesh networks.
This patch tries to dete... | ```diff
diff --git a/net/wireless/util.c b/net/wireless/util.c
index ed868c0f7ca8..1ad5a6bdfd75 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -820,6 +820,52 @@ bool ieee80211_is_valid_amsdu(struct sk_buff *skb, u8 mesh_hdr)
}
EXPORT_SYMBOL(ieee80211_is_valid_amsdu);
+
+/*
+ * Detects if an MSDU fram... |
2ce6ad9262256dd345cb104ba0ac6cf4aeed25a3 | Analyze and fix the following issue in the Linux kernel code: wifi: rt2x00: fix remove callback type mismatch | Problem Details:
The function is used as remove callback for a platform driver.
It was missed during the conversion from int to void
Fixes: 0edb555a65d1 ("platform: Make platform_driver::remove() return void")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/20250706092053.97724-1-nbd@nbd.nam... | ```diff
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
index eface610178d..f7f3a2340c39 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
@@ -108,7 +108,7 @@ exit_free_device:
}
EXPORT_SYMBOL_G... |
58fcb1b4287ce38850402bb2bb16d09bf77b91d9 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: reject VHT opmode for unsupported channel widths | Problem Details:
VHT operating mode notifications are not defined for channel widths
below 20 MHz. In particular, 5 MHz and 10 MHz are not valid under the
VHT specification and must be rejected.
Without this check, malformed notifications using these widths may
reach ieee80211_chan_width_to_rx_bw(), leading to a WARN_... | ```diff
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index d9d88f2f2831..954795b0fe48 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1959,6 +1959,20 @@ static int sta_link_apply_parameters(struct ieee80211_local *local,
ieee80211_sta_init_nss(link_sta);
if (params->opmode_notif_used) {
+ en... |
3b602ddc0df723992721b0d286c90c9bdd755b34 | Analyze and fix the following issue in the Linux kernel code: wifi: mwifiex: discard erroneous disassoc frames on STA interface | Problem Details:
When operating in concurrent STA/AP mode with host MLME enabled,
the firmware incorrectly sends disassociation frames to the STA
interface when clients disconnect from the AP interface.
This causes kernel warnings as the STA interface processes
disconnect events that don't apply to it:
[ 1303.240540] ... | ```diff
diff --git a/drivers/net/wireless/marvell/mwifiex/util.c b/drivers/net/wireless/marvell/mwifiex/util.c
index 4c5b1de0e936..6882e90e90b2 100644
--- a/drivers/net/wireless/marvell/mwifiex/util.c
+++ b/drivers/net/wireless/marvell/mwifiex/util.c
@@ -459,7 +459,9 @@ mwifiex_process_mgmt_packet(struct mwifiex_privat... |
e1e6ebf490e55fee1ae573aa443c1d4aea5e4a40 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix non-transmitted BSSID profile search | Problem Details:
When the non-transmitted BSSID profile is found, immediately return
from the search to not return the wrong profile_len when the profile
is found in a multiple BSSID element that isn't the last one in the
frame.
Fixes: 5023b14cf4df ("mac80211: support profile split between elements")
Reported-by: Mich... | ```diff
diff --git a/net/mac80211/parse.c b/net/mac80211/parse.c
index 96584b39215e..c5e0f7f46004 100644
--- a/net/mac80211/parse.c
+++ b/net/mac80211/parse.c
@@ -758,7 +758,6 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
{
const struct element *elem, *sub;
size_t profile_len = 0;
- b... |
c5fd399a24c8e2865524361f7dc4d4a6899be4f4 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: correctly identify S1G short beacon | Problem Details:
mac80211 identifies a short beacon by the presence of the next
TBTT field, however the standard actually doesn't explicitly state that
the next TBTT can't be in a long beacon or even that it is required in
a short beacon - and as a result this validation does not work for all
vendor implementations.
T... | ```diff
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 22f39e5e2ff1..996be3c2cff0 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -662,18 +662,6 @@ static inline bool ieee80211_s1g_has_cssid(__le16 fc)
(fc & cpu_to_le16(IEEE80211_S1G_BCN_CSSID));
}
-/**
- * ieee... |
c1dc61aede55a571d34fe20415b1413a3c86ee24 | Analyze and fix the following issue in the Linux kernel code: PCI: dwc: Make dw_pcie_ptm_ops static | Problem Details:
dw_pcie_ptm_ops is not used outside of this file, so make it static. This
also fixes the sparse warning:
drivers/pci/controller/dwc/pcie-designware-debugfs.c:868:27: warning: symbol 'dw_pcie_ptm_ops' was not declared. Should it be static?
Fixes: 852a1fdd34a8 ("PCI: dwc: Add debugfs support for PTM ... | ```diff
diff --git a/drivers/pci/controller/dwc/pcie-designware-debugfs.c b/drivers/pci/controller/dwc/pcie-designware-debugfs.c
index 6f438a36f840..0fbf86c0b97e 100644
--- a/drivers/pci/controller/dwc/pcie-designware-debugfs.c
+++ b/drivers/pci/controller/dwc/pcie-designware-debugfs.c
@@ -865,7 +865,7 @@ static bool d... |
fbe94be09fa81343d623a86ec64a742759b669b3 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: imx8mm-verdin: Keep LDO5 always on | Problem Details:
LDO5 regulator is used to power the i.MX8MM NVCC_SD2 I/O supply, that is
used for the SD2 card interface and also for some GPIOs.
When the SD card interface is not enabled the regulator subsystem could
turn off this supply, since it is not used anywhere else, however this
will also remove the power to... | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index d29710772569..1594ce9182a5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -464,6 +464,7 @@
};
reg_nvcc_sd: LDO... |
6fdd4d8c84f36c4814ec7d499e9fb88b170669c5 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Document Argon40 | Problem Details:
Argon 40 Technologies Limited is a SBC expansion board vendor.
Document the prefix. For details see https://argon40.com .
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://lore.kernel.org/r/20250629220757.936212-1-marek.vasut... | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 5d2a7a8d3ac6..e5e5bd34136a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -149,6 +149,8 @@ patte... |
0b4d1abe5ca568c5b7f667345ec2b5ad0fb2e54b | Analyze and fix the following issue in the Linux kernel code: pwm: rockchip: Round period/duty down on apply, up on get | Problem Details:
With CONFIG_PWM_DEBUG=y, the rockchip PWM driver produces warnings like
this:
rockchip-pwm fd8b0010.pwm: .apply is supposed to round down
duty_cycle (requested: 23529/50000, applied: 23542/50000)
This is because the driver chooses ROUND_CLOSEST for purported
idempotency reasons. However, it's pos... | ```diff
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index c5f50e5eaf41..67b85bdb491b 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -8,6 +8,8 @@
#include <linux/clk.h>
#include <linux/io.h>
+#include <linux/limits.h>
+#include <linux/math64.h>
#include <linux/m... |
6df3aac763fa995260ab0545c1e54f0c21b2feb8 | Analyze and fix the following issue in the Linux kernel code: pwm: sifive: Fix rounding and idempotency issues in apply and get_state | Problem Details:
This fix ensures consistent rounding and avoids mismatches
between applied and reported PWM values that could trigger false
idempotency failures in debug checks
This change ensures:
- real_period is now calculated using DIV_ROUND_UP_ULL() to avoid underestimation.
- duty_cycle is rounded up to match t... | ```diff
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index f3694801d3ee..4a07315b0744 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -118,7 +118,7 @@ static void pwm_sifive_update_clock(struct pwm_sifive_ddata *ddata,
/* As scale <= 15 the shift operation cannot overflow... |
7dbc4432ea6bf9d709391eb57f1e9fb44e99845a | Analyze and fix the following issue in the Linux kernel code: pwm: sifive: Fix PWM algorithm and clarify inverted compare behavior | Problem Details:
The `frac` variable represents the pulse inactive time, and the result
of this algorithm is the pulse active time. Therefore, we must reverse
the result.
Although the SiFive Reference Manual states "pwms >= pwmcmpX -> HIGH",
the hardware behavior is inverted due to a fixed XNOR with 0. As a result,
th... | ```diff
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index d5b647e6be78..f3694801d3ee 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -4,11 +4,28 @@
* For SiFive's PWM IP block documentation please refer Chapter 14 of
* Reference Manual : https://static.dev.sifive.com/FU5... |
52d2d14d9e49b8c33ff718d2036084d0c92f23f1 | Analyze and fix the following issue in the Linux kernel code: pwm: pxa: Add optional reset control | Problem Details:
Support optional reset control for the PWM PXA driver.
During probe, it acquires the reset controller using
devm_reset_control_get_optional_exclusive_deasserted() to get and deassert
the reset controller to enable the PWM channel.
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Link: https://lore.ke... | ```diff
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c
index 8a4a3d2df30d..0f5bdb0e395e 100644
--- a/drivers/pwm/pwm-pxa.c
+++ b/drivers/pwm/pwm-pxa.c
@@ -25,6 +25,7 @@
#include <linux/io.h>
#include <linux/pwm.h>
#include <linux/of.h>
+#include <linux/reset.h>
#include <asm/div64.h>
@@ -161,6 +162,... |
505b730ede7f5c4083ff212aa955155b5b92e574 | Analyze and fix the following issue in the Linux kernel code: pwm: mediatek: Ensure to disable clocks in error path | Problem Details:
After enabling the clocks each error path must disable the clocks again.
One of them failed to do so. Unify the error paths to use goto to make it
harder for future changes to add a similar bug.
Fixes: 7ca59947b5fc ("pwm: mediatek: Prevent divide-by-zero in pwm_mediatek_config()")
Signed-off-by: Uwe K... | ```diff
diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 7eaab5831499..33d3554b9197 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -130,8 +130,10 @@ static int pwm_mediatek_config(struct pwm_chip *chip, struct pwm_device *pwm,
return ret;
clk_rate = clk_get_... |
9ee124caae1b0defd0e02c65686f539845a3ac9b | Analyze and fix the following issue in the Linux kernel code: pwm: Fix invalid state detection | Problem Details:
Commit 9dd42d019e63 ("pwm: Allow pwm state transitions from an invalid
state") intended to allow some state transitions that were not allowed
before. The idea is sane and back then I also got the code comment
right, but the check for enabled is bogus. This resulted in state
transitions for enabled stat... | ```diff
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 4d842c692194..edf776b8ad53 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -596,7 +596,7 @@ static bool pwm_state_valid(const struct pwm_state *state)
* and supposed to be ignored. So also ignore any strange values and
* consider the s... |
09d231ab569ca97478445ccc1ad44ab026de39b1 | Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Fix size of uverbs_copy_to() in BNXT_RE_METHOD_GET_TOGGLE_MEM | Problem Details:
Since both "length" and "offset" are of type u32, there is
no functional issue here.
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/2025... | ```diff
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 063801384b2b..3a627acb82ce 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -4738,7 +4738,7 @@ static int UVERBS_HANDLER(BNXT_RE_METHOD_GET_TOGGLE_MEM)(st... |
79d56805c5068f2bc81518043e043c3dedd1c82a | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix -Wframe-larger-than issue | Problem Details:
Fix -Wframe-larger-than issue by allocating memory for qpc struct
with kzalloc() instead of using stack memory.
Fixes: 606bf89e98ef ("RDMA/hns: Refactor for hns_roce_v2_modify_qp function")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506240032.CSgIyF... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 2e9ef2fb8019..64bca08f3f1a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5349,11 +5349,10 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ib... |
5338abb299f0cd764edf78a7e71a0b746af35030 | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Drop GFP_NOWARN | Problem Details:
GFP_NOWARN silences all warnings on dma_alloc_coherent() failure,
which might otherwise help with troubleshooting.
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20250703113905.3597124-6-hua... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index ca0798224e56..3d479c63b117 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -249,15 +249,12 @@ int hns_roce_calc_hem_mhop(struct hns_roce_dev *hr_dev,
}
... |
278c18a4a78a9a6bf529ef45ccde512a5686ea9d | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix accessing uninitialized resources | Problem Details:
hr_dev->pgdir_list and hr_dev->pgdir_mutex won't be initialized if
CQ/QP record db are not enabled, but they are also needed when using
SRQ with SRQ record db enabled. Simplified the logic by always
initailizing the reosurces.
Fixes: c9813b0b9992 ("RDMA/hns: Support SRQ record doorbell")
Signed-off-by... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 427dd700cddc..d50f36f8a110 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -937,10 +937,7 @@ err_unmap_dmpt:
static void hns_roce_teardown_hca(struc... |
2c2ec0106c0f1f12d4eefd11de318ac47557a750 | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Get message length of ack_req from FW | Problem Details:
ACK_REQ_FREQ indicates the number of packets (after MTU fragmentation)
HW sends before setting an ACK request. When MTU is greater than or
equal to 1024, the current ACK_REQ_FREQ value causes HW to request an
ACK for every MTU fragment. The processing of a large number of ACKs
severely impacts HW perfo... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 40dcf77e2d92..25f77b1fa773 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -846,6 +846,7 @@ struct hns_roce_caps {
u16 default_ceq_arm_st;... |
005b6187705bc9723518ce19c5cb911fc1f7ef07 | Analyze and fix the following issue in the Linux kernel code: refscale: Check that nreaders and loops multiplication doesn't overflow | Problem Details:
The nreaders and loops variables are exposed as module parameters, which,
in certain combinations, can lead to multiplication overflow.
Besides, loops parameter is defined as long, while through the code is
used as int, which can cause truncation on 64-bit kernels and possible
zeroes where they should... | ```diff
diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c
index f11a7c2af778..ab7fcdc94cc0 100644
--- a/kernel/rcu/refscale.c
+++ b/kernel/rcu/refscale.c
@@ -85,7 +85,7 @@ torture_param(int, holdoff, IS_BUILTIN(CONFIG_RCU_REF_SCALE_TEST) ? 10 : 0,
// Number of typesafe_lookup structures, that is, the degree o... |
a33ad03aaed2c39d29a27a64ee55ff919810de59 | Analyze and fix the following issue in the Linux kernel code: rcu/nocb: Dump gp state even if rdp gp itself is not offloaded | Problem Details:
When a stall is detected, the state of each NOCB CPU is dumped along
with the state of each NOCB group. The latter part however is
incidentally ignored if the NOCB group leader happens not to be
offloaded itself.
Fix this to make sure related precious informations aren't lost over
a stall report.
Rep... | ```diff
diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h
index b473ff056f49..cb29b6bb0ed4 100644
--- a/kernel/rcu/tree_nocb.h
+++ b/kernel/rcu/tree_nocb.h
@@ -1564,6 +1564,9 @@ static void show_rcu_nocb_state(struct rcu_data *rdp)
if (rdp->nocb_gp_rdp == rdp)
show_rcu_nocb_gp_state(rdp);
+ if (!rcu_s... |
181698af38d3f93381229ad89c09b5bd0496661a | Analyze and fix the following issue in the Linux kernel code: crypto: ccp - Fix crash when rebind ccp device for ccp.ko | Problem Details:
When CONFIG_CRYPTO_DEV_CCP_DEBUGFS is enabled, rebinding
the ccp device causes the following crash:
$ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/unbind
$ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/bind
[ 204.976930] BUG: kernel NULL pointer dereference, address: 0000000000000098
[ 204.97802... | ```diff
diff --git a/drivers/crypto/ccp/ccp-debugfs.c b/drivers/crypto/ccp/ccp-debugfs.c
index a1055554b47a..dc26bc22c91d 100644
--- a/drivers/crypto/ccp/ccp-debugfs.c
+++ b/drivers/crypto/ccp/ccp-debugfs.c
@@ -319,5 +319,8 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
void ccp5_debugfs_destroy(void)
{
+ mutex... |
735b72568c73875269a6b73ab9543a70f6ac8a9f | Analyze and fix the following issue in the Linux kernel code: crypto: jitter - fix intermediary handling | Problem Details:
The intermediary value was included in the wrong
hash state. While there, adapt to user-space by
setting the timestamp to 0 if stuck and inserting
the values nevertheless.
Acked-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Markus Theil <theil.markus@gmail.com>
Signed-off-by: Herbert Xu <he... | ```diff
diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c
index c24d4ff2b4a8..1266eb790708 100644
--- a/crypto/jitterentropy-kcapi.c
+++ b/crypto/jitterentropy-kcapi.c
@@ -144,7 +144,7 @@ int jent_hash_time(void *hash_state, __u64 time, u8 *addtl,
* Inject the data from the previous loop into ... |
cb7fa6b6fc71e0c801e271aa498e2f19e6df2931 | Analyze and fix the following issue in the Linux kernel code: crypto: inside-secure - Fix `dma_unmap_sg()` nents value | Problem Details:
The `dma_unmap_sg()` functions should be called with the same nents as the
`dma_map_sg()`, not the value the map function returned.
Fixes: c957f8b3e2e5 ("crypto: inside-secure - avoid unmapping DMA memory that was not mapped")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Antoi... | ```diff
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index d2b632193beb..5baf4bd2fcee 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -249,7 +249,9 @@ static int safexcel_handle_req_result(struct ... |
b4abeccb8d39db7d9b51cb0098d6458760b30a75 | Analyze and fix the following issue in the Linux kernel code: crypto: ccp - Fix locking on alloc failure handling | Problem Details:
The __snp_alloc_firmware_pages() helper allocates pages in the firmware
state (alloc + rmpupdate). In case of failed rmpupdate, it tries
reclaiming pages with already changed state. This requires calling
the PSP firmware and since there is sev_cmd_mutex to guard such calls,
the helper takes a "locked" ... | ```diff
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 17edc6bf5622..e058ba027792 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -434,7 +434,7 @@ cleanup:
return rc;
}
-static struct page *__snp_alloc_firmware_pages(gfp_t gfp_mask, int order)
+static... |
fcb96956c921f1aae7e7b477f2435c56f77a31b4 | Analyze and fix the following issue in the Linux kernel code: hfsplus: remove mutex_lock check in hfsplus_free_extents | Problem Details:
Syzbot reported an issue in hfsplus filesystem:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4400 at fs/hfsplus/extents.c:346
hfsplus_free_extents+0x700/0xad0
Call Trace:
<TASK>
hfsplus_file_truncate+0x768/0xbb0 fs/hfsplus/extents.c:606
hfsplus_write_begin+0xc2/0xd0 fs/hfsplus/inode.c:56... | ```diff
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index a6d61685ae79..b1699b3c246a 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -342,9 +342,6 @@ static int hfsplus_free_extents(struct super_block *sb,
int i;
int err = 0;
- /* Mapping the allocation file may lock the extent tree *... |
4c831f30475a222046ded25560c3810117a6cff6 | Analyze and fix the following issue in the Linux kernel code: hfs: make splice write available again | Problem Details:
Since 5.10, splice() or sendfile() return EINVAL. This was
caused by commit 36e2c7421f02 ("fs: don't allow splice read/write
without explicit ops").
This patch initializes the splice_write field in file_operations, like
most file systems do, to restore the functionality.
Fixes: 36e2c7421f02 ("fs: don... | ```diff
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index a81ce7a740b9..451115360f73 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -692,6 +692,7 @@ static const struct file_operations hfs_file_operations = {
.write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.splice_read = filemap_splice_re... |
2eafb669da0bf71fac0838bff13594970674e2b4 | Analyze and fix the following issue in the Linux kernel code: hfsplus: make splice write available again | Problem Details:
Since 5.10, splice() or sendfile() return EINVAL. This was
caused by commit 36e2c7421f02 ("fs: don't allow splice read/write
without explicit ops").
This patch initializes the splice_write field in file_operations, like
most file systems do, to restore the functionality.
Fixes: 36e2c7421f02 ("fs: don... | ```diff
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index f331e9574217..c85b5802ec0f 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -368,6 +368,7 @@ static const struct file_operations hfsplus_file_operations = {
.write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.splice_read... |
d3ed6d6981f4756f145766753c872482bc3b28d3 | Analyze and fix the following issue in the Linux kernel code: hfs: fix not erasing deleted b-tree node issue | Problem Details:
The generic/001 test of xfstests suite fails and corrupts
the HFS volume:
sudo ./check generic/001
FSTYP -- hfs
PLATFORM -- Linux/x86_64 hfsplus-testing-0001 6.15.0-rc2+ #3 SMP PREEMPT_DYNAMIC Fri Apr 25 17:13:00 PDT 2>
MKFS_OPTIONS -- /dev/loop51
MOUNT_OPTIONS -- /dev/loop51 /mnt/scratc... | ```diff
diff --git a/fs/hfs/bnode.c b/fs/hfs/bnode.c
index cb823a8a6ba9..50ed4c855364 100644
--- a/fs/hfs/bnode.c
+++ b/fs/hfs/bnode.c
@@ -482,6 +482,7 @@ void hfs_bnode_put(struct hfs_bnode *node)
if (test_bit(HFS_BNODE_DELETED, &node->flags)) {
hfs_bnode_unhash(node);
spin_unlock(&tree->hash_lock);
+ hfs... |
31df8330ee3f161e589896aeca0cbf5a5edcd5db | Analyze and fix the following issue in the Linux kernel code: docs/zh_CN: update git command examples in how-to.rst | Problem Details:
This patch leverages `checkout -b` to shorten branch & checkout
and fix the missing checkout.
Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Acked-by: Yanteng Si <si.yanteng@linux.dev>
Signed-off-by: Alex Shi <alexs@kernel.org> | ```diff
diff --git a/Documentation/translations/zh_CN/how-to.rst b/Documentation/translations/zh_CN/how-to.rst
index fa1dc46c2b4a..ddd99c0f9b4d 100644
--- a/Documentation/translations/zh_CN/how-to.rst
+++ b/Documentation/translations/zh_CN/how-to.rst
@@ -185,8 +185,7 @@ Git 和邮箱配置
请执行以下命令，新建开发分支::
git checkout docs... |
c8995932db2bad6fa093ac64dbaf7a3e8870eafa | Analyze and fix the following issue in the Linux kernel code: m68k: mac: Improve clocksource driver commentary | Problem Details:
qemu-system-m68k -M q800 has an old bug that causes the kernel to
occasionally complain about a soft lockup:
watchdog: BUG: soft lockup - CPU#0 stuck for 5107s!
There isn't any actual lockup. The via1 clocksource produced a large
jump in jiffies, causing the watchdog to detect a stale timestamp.
... | ```diff
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 01e6b0e37f8d..9cb813eda4fd 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -621,6 +621,22 @@ static u64 mac_read_clk(struct clocksource *cs)
* These problems are avoided by ignoring the low byte. Clock accuracy
* is 256 times worse... |
83f672a7f69ec38b1bbb27221e342937f68c11c7 | Analyze and fix the following issue in the Linux kernel code: m68k: Don't unregister boot console needlessly | Problem Details:
When MACH_IS_MVME147, the boot console calls mvme147_scc_write() to
generate console output. That will continue to work even after
debug_cons_nputs() becomes unavailable so there's no need to
unregister the boot console.
Take the opportunity to remove a repeated MACH_IS_* test. Use the
actual .write m... | ```diff
diff --git a/arch/m68k/Kconfig.debug b/arch/m68k/Kconfig.debug
index 30638a6e8edc..d036f903864c 100644
--- a/arch/m68k/Kconfig.debug
+++ b/arch/m68k/Kconfig.debug
@@ -10,7 +10,7 @@ config BOOTPARAM_STRING
config EARLY_PRINTK
bool "Early printk"
- depends on !(SUN3 || M68000 || COLDFIRE)
+ depends on MMU_MO... |
e911044c28ed200c3dcf59bf532e092e770488d0 | Analyze and fix the following issue in the Linux kernel code: m68k: Remove unused "cursor home" code from debug console | Problem Details:
The cursor home operation is unused and seems undesirable for logging.
Remove it. The console_not_cr label actually means "not line feed and
not carriage return either" so take the opportunity to replace it with
something less confusing. Rectify some inconsistent whitespace while
we're here.
Signed-of... | ```diff
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 49e079b0d0b5..6465333d5f7c 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -3555,28 +3555,21 @@ func_start console_putc,%a0/%a1/%d0-%d7
jra L(console_exit)
L(console_not_lf):
- cmpib #13,%d7
- jne L(console_not_cr)
+... |
0da6458417d74449e5daf845cdd4eb4d6ec6ec87 | Analyze and fix the following issue in the Linux kernel code: m68k: Avoid pointless recursion in debug console rendering | Problem Details:
The recursive call to console_putc to effect a carriage return is
needlessly slow and complicated. Instead, just clear the column counter
directly. Setup %a0 earlier to avoid a repeated comparison.
Signed-off-by: Finn Thain <fthain@linux-m68k.org>
Tested-by: Stan Johnson <userm57@yahoo.com>
Reviewed-b... | ```diff
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 9bd8adaa756d..49e079b0d0b5 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -3533,19 +3533,16 @@ func_start console_putc,%a0/%a1/%d0-%d7
tstl %pc@(L(console_font))
jeq L(console_exit)
+ lea %pc@(L(console_globals)),%... |
210a1ce8ed4391b64a888b3fb4b5611a13f5ccc7 | Analyze and fix the following issue in the Linux kernel code: m68k: Fix lost column on framebuffer debug console | Problem Details:
Move the cursor position rightward after rendering the character,
not before. This avoids complications that arise when the recursive
console_putc call has to wrap the line and/or scroll the display.
This also fixes the linewrap bug that crops off the rightmost column.
When the cursor is at the bottom... | ```diff
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index 852255cf60de..9bd8adaa756d 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -3400,6 +3400,7 @@ L(console_clear_loop):
movel %d4,%d1 /* screen height in pixels */
divul %a0@(FONT_DESC_HEIGHT),%d1 /* d1 = max num ro... |
47ae96104b16fa467f52feac8f2227915b5f0d04 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: adc: nxp,lpc3220-adc: allow clocks property | Problem Details:
Allow clocks property to fix below CHECK_DTB warning:
arch/arm/boot/dts/nxp/lpc/lpc3250-ea3250.dtb: adc@40048000 (nxp,lpc3220-adc): 'clocks' does not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patc... | ```diff
diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml
index 2c5032be83bd..fd815ab30df1 100644
--- a/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,lpc3220-ad... |
d0a48dc4df5c986bf8c3caf4d8fc15c480273052 | Analyze and fix the following issue in the Linux kernel code: selftests/futex: Convert 32-bit timespec to 64-bit version for 32-bit compatibility mode | Problem Details:
sys_futex_wait() expects a struct __kernel_timespec pointer for the
timeout, but the provided struct timespec pointer is of type struct
old_timespec32 when compiled for 32-bit architectures, unless they use
64-bit timespecs already.
Make it work for all variants by converting the provided timespec val... | ```diff
diff --git a/tools/testing/selftests/futex/include/futex2test.h b/tools/testing/selftests/futex/include/futex2test.h
index ea79662405bc..1f625b39948a 100644
--- a/tools/testing/selftests/futex/include/futex2test.h
+++ b/tools/testing/selftests/futex/include/futex2test.h
@@ -4,6 +4,7 @@
*
* Copyright 2021 Co... |
4a40129087a4c32135bb1177a57bbbe6ee646f1a | Analyze and fix the following issue in the Linux kernel code: selftests/nolibc: correctly report errors from printf() and friends | Problem Details:
When an error is encountered by printf() it needs to be reported.
errno() is already set by the callback.
sprintf() is different, but that keeps working and is already tested.
Also add a new test.
Fixes: 7e4346f4a3a6 ("tools/nolibc/stdio: add a minimal [vf]printf() implementation")
Signed-off-by: Th... | ```diff
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h
index c470d334ef3f..7630234408c5 100644
--- a/tools/include/nolibc/stdio.h
+++ b/tools/include/nolibc/stdio.h
@@ -358,11 +358,11 @@ int __nolibc_printf(__nolibc_printf_cb cb, intptr_t state, size_t n, const char
n -= w;
while (wi... |
a094f846276068d21878b47cf552cf18ee3720fb | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: Add bus name in device name check | Problem Details:
Device name start from bus name, as we use strstarts()
to do compare, need add it for TXNW2781 device.
Fixes: b2904df0a347 ("ALSA: hda/tas2781: Add compatible for hardware id TIAS2781 and TXNW2781")
Signed-off-by: Baojun Xu <baojun.xu@ti.com>
Link: https://patch.msgid.link/20250705025333.24346-1-baoju... | ```diff
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index b9cdbca951e4..530c2266ab3b 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -588,7 +588,7 @@ static int tas2781_hda_i2c_probe(struct i2c_client *clt)
hda_priv->save_calibration = tas2781_... |
46b0a67e8f22d2dbc679b37b26c5ff0f50424847 | Analyze and fix the following issue in the Linux kernel code: selftests/futex: Add futex_numa to .gitignore | Problem Details:
futex_numa was never added to the .gitignore file.
Add it.
Fixes: 9140f57c1c13 ("futex,selftests: Add another FUTEX2_NUMA selftest")
Signed-off-by: Terry Tritton <terry.tritton@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: htt... | ```diff
diff --git a/tools/testing/selftests/futex/functional/.gitignore b/tools/testing/selftests/futex/functional/.gitignore
index 7b24ae89594a..776ad658f75e 100644
--- a/tools/testing/selftests/futex/functional/.gitignore
+++ b/tools/testing/selftests/futex/functional/.gitignore
@@ -11,3 +11,4 @@ futex_wait_timeout
... |
998b41cb20b02c4e28ac558e4e7f8609d659ec05 | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix HW configurations not cleared in error flow | Problem Details:
hns_roce_clear_extdb_list_info() will eventually do some HW
configurations through FW, and they need to be cleared by
calling hns_roce_function_clear() when the initialization
fails.
Fixes: 7e78dd816e45 ("RDMA/hns: Clear extended doorbell info before using")
Signed-off-by: wenglianfa <wenglianfa@huawe... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 602c5a4c682a..4f2dbc3ffb31 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3001,7 +3001,7 @@ static int hns_roce_v2_init(struct hns_roce_dev *hr... |
c6957b95ecc5b63c5a4bb4ecc28af326cf8f6dc8 | Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix double destruction of rsv_qp | Problem Details:
rsv_qp may be double destroyed in error flow, first in free_mr_init(),
and then in hns_roce_exit(). Fix it by moving the free_mr_init() call
into hns_roce_v2_init().
list_del corruption, ffff589732eb9b50->next is LIST_POISON1 (dead000000000100)
WARNING: CPU: 8 PID: 1047115 at lib/list_debug.c:53 __lis... | ```diff
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 3e1189f456b9..602c5a4c682a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -2986,14 +2986,22 @@ static int hns_roce_v2_init(struct hns_roce_dev *... |
0980de01da08338d4a7ceaf5e7ab25a56142c75a | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8852b: Fix rtw8852b_pwr_{on,off}_func() for USB | Problem Details:
There are a few differences in the power on/off functions between PCIE
and USB. The changes in the power off function in particular are needed
for the RTL8832BU to be able to power on again after it's powered off.
While the RTL8832BU appears to work without the changes in the power on
function, it's p... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index b0b73a4a70a0..85b6849db798 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -299,7 +299,8 @@ static int rtw8852b_pwr_on_func(struct rt... |
40818680d8350dc35b1d1ac31c75038d13461126 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: adv7511: Fix DRM_BRIDGE_OP_HDMI_{AUDIO|CEC_ADAPTER} setup | Problem Details:
When driver is built with either CONFIG_DRM_I2C_ADV7511_AUDIO or
CONFIG_DRM_I2C_ADV7511_CEC disabled, drm_bridge_connector_init() is
expected to fail with -EINVAL. That is because all required audio (or
CEC) related callbacks in adv7511_bridge_funcs ended up being NULL.
Set DRM_BRIDGE_OP_HDMI_AUDIO a... | ```diff
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 9df18a8f2e37..f59d19b4b81a 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -1262,9 +1262,7 @@ static int adv7511_probe(struct i2c_client ... |
b78287c54bd87924ee328d51336b44a74304d7cc | Analyze and fix the following issue in the Linux kernel code: drm/bridge: Fix kdoc comment for DRM_BRIDGE_OP_HDMI_CEC_ADAPTER | Problem Details:
Correct the kernel-doc comment for DRM_BRIDGE_OP_HDMI_CEC_ADAPTER member
of enum drm_bridge_ops. This seems to be just a copy-paste artifact
from DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER above.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov... | ```diff
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 7f66f9018c10..d2454ba83db3 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -1051,7 +1051,7 @@ enum drm_bridge_ops {
*/
DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER = BIT(7),
/**
- * @DRM_BRIDGE_OP_HDMI_CEC_ADAPTER: The bri... |
8290d37ad2b087bbcfe65fa5bcaf260e184b250a | Analyze and fix the following issue in the Linux kernel code: drm/msm: Small function param doc fix | Problem Details:
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202507032334.9SCwc952-lkp@intel.com/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com> | ```diff
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
index 1ad67dfa94e3..3cd8562a5109 100644
--- a/drivers/gpu/drm/msm/msm_gem_vma.c
+++ b/drivers/gpu/drm/msm/msm_gem_vma.c
@@ -171,7 +171,7 @@ msm_gem_vm_free(struct drm_gpuvm *gpuvm)
/**
* msm_gem_vm_unusable() - Mark a VM as ... |
63a83463d278ea9f9eff7f58708322856e106d87 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix bch2_btree_transactions_read() synchronization | Problem Details:
Since we're accessing btree_trans objects owned by another thread, we
need to guard against using pointers to freed key cache entries: we need
our own srcu read lock, and we should skip a btree_trans if it didn't
hold the srcu lock (and thus it might have pointers to freed key cache
entries).
00693 Me... | ```diff
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c
index 79d64052215c..07c2a0f73cc2 100644
--- a/fs/bcachefs/debug.c
+++ b/fs/bcachefs/debug.c
@@ -584,6 +584,8 @@ static ssize_t bch2_btree_transactions_read(struct file *file, char __user *buf,
i->ubuf = buf;
i->size = size;
i->ret = 0;
+
+ int srcu_id... |
14dd95647ea533c7d7c528b9bb7e163e433b47b9 | Analyze and fix the following issue in the Linux kernel code: bcachefs: btree read retry fixes | Problem Details:
Fix btree node read retries after validate errors:
__btree_err() is the wrong place to flag a topology error: that is done
by btree_lost_data().
Additionally, some calls to bch2_bkey_pick_read_device() were not
updated in the 6.16 rework for improved log messages; we were failing to
signal that we st... | ```diff
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index e874a4357f64..a4cc72986e36 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -568,9 +568,9 @@ static int __btree_err(int ret,
bch2_mark_btree_validate_failure(failed, ca->dev_idx);
struct extent_ptr_decoded pick;
- hav... |
19920ab98e17af4e733ec4c69881d8ce433d3f1d | Analyze and fix the following issue in the Linux kernel code: drm/display: hdmi-cec-helper: Fix adapter unregistration | Problem Details:
Attempting to reload a kernel module of an HDMI driver making use of the
new CEC helpers revealed a resource deallocation issue, i.e. the entries
in /dev/cec* keep growing.
Moreover, after a couple of tries the kernel crashes and the whole
system freezes:
[ 47.515950] Unable to handle kernel paging... | ```diff
diff --git a/drivers/gpu/drm/display/drm_hdmi_cec_helper.c b/drivers/gpu/drm/display/drm_hdmi_cec_helper.c
index b4273c3522fa..3651ad0f76e0 100644
--- a/drivers/gpu/drm/display/drm_hdmi_cec_helper.c
+++ b/drivers/gpu/drm/display/drm_hdmi_cec_helper.c
@@ -69,7 +69,7 @@ static void drm_connector_hdmi_cec_adapter_... |
c17fb542dbd1db745c9feac15617056506dd7195 | Analyze and fix the following issue in the Linux kernel code: md/md-bitmap: fix GPF in bitmap_get_stats() | Problem Details:
The commit message of commit 6ec1f0239485 ("md/md-bitmap: fix stats
collection for external bitmaps") states:
Remove the external bitmap check as the statistics should be
available regardless of bitmap storage location.
Return -EINVAL only for invalid bitmap with no storage (neither in
... | ```diff
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index bd694910b01b..7f524a26cebc 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2366,8 +2366,7 @@ static int bitmap_get_stats(void *data, struct md_bitmap_stats *stats)
if (!bitmap)
return -ENOENT;
- if (!bitmap->mddev->bi... |
5fa31c49928139fa948f078b094d80f12ed83f5f | Analyze and fix the following issue in the Linux kernel code: md/raid1,raid10: strip REQ_NOWAIT from member bios | Problem Details:
RAID layers don't implement proper non-blocking semantics for
REQ_NOWAIT, making the flag potentially misleading when propagated
to member disks.
This patch clear REQ_NOWAIT from cloned bios in raid1/raid10. Retain
original bio's REQ_NOWAIT flag for upper layer error handling.
Maybe we can implement ... | ```diff
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fd4ce2a4136f..64b8176907a9 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1399,7 +1399,7 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio,
}
read_bio = bio_alloc_clone(mirror->rdev->bdev, bio, gfp,
&mddev-... |
43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24 | Analyze and fix the following issue in the Linux kernel code: raid10: cleanup memleak at raid10_make_request | Problem Details:
If raid10_read_request or raid10_write_request registers a new
request and the REQ_NOWAIT flag is set, the code does not
free the malloc from the mempool.
unreferenced object 0xffff8884802c3200 (size 192):
comm "fio", pid 9197, jiffies 4298078271
hex dump (first 32 bytes):
00 00 00 00 00 00... | ```diff
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b74780af4c22..917055dc01ed 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1182,8 +1182,11 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
}
}
- if (!regular_request_wait(mddev, conf, bio, r10_bio->sector... |
d67ed2ccd2d1dcfda9292c0ea8697a9d0f2f0d98 | Analyze and fix the following issue in the Linux kernel code: md/raid1: Fix stack memory use after return in raid1_reshape | Problem Details:
In the raid1_reshape function, newpool is
allocated on the stack and assigned to conf->r1bio_pool.
This results in conf->r1bio_pool.wait.head pointing
to a stack address.
Accessing this address later can lead to a kernel panic.
Example access path:
raid1_reshape()
{
// newpool is on the stack
mempo... | ```diff
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 19c5a0ce5a40..fd4ce2a4136f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -3428,6 +3428,7 @@ static int raid1_reshape(struct mddev *mddev)
/* ok, everything is stopped */
oldpool = conf->r1bio_pool;
conf->r1bio_pool = newpool;
+ init_... |
49a27c6c392dec46c826ee586f7ec8973acaeed7 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: exynos7870-j6lte: reduce memory ranges to base amount | Problem Details:
The device is available in multiple variants with differing RAM
capacities. The memory range defined in the 0x80000000 bank exceeds the
address range of the memory controller, which eventually leads to ARM
SError crashes. Reduce the bank size to a value which is available to
all devices.
The bootloade... | ```diff
diff --git a/arch/arm64/boot/dts/exynos/exynos7870-j6lte.dts b/arch/arm64/boot/dts/exynos/exynos7870-j6lte.dts
index 61eec1aff32e..b8ce433b93b1 100644
--- a/arch/arm64/boot/dts/exynos/exynos7870-j6lte.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7870-j6lte.dts
@@ -89,7 +89,7 @@
memory@40000000 {
device_type ... |
2bdfa35a7bb6e3a319e7a290baa44720bc96e5e4 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: exynos7870-on7xelte: reduce memory ranges to base amount | Problem Details:
The device is available in multiple variants with differing RAM
capacities. The memory range defined in the 0x80000000 bank exceeds the
address range of the memory controller, which eventually leads to ARM
SError crashes. Reduce the bank size to a value which is available to
all devices.
The bootloade... | ```diff
diff --git a/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts b/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts
index eb97dcc41542..b1d9eff5a827 100644
--- a/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts
@@ -78,7 +78,7 @@
memory@40000000 {
... |
e9355e894aebcbeacffd284644749190cc5f33a4 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: exynos7870: add quirk to disable USB2 LPM in gadget mode | Problem Details:
In gadget mode, USB connections are sluggish. The device won't send
packets to the host unless the host sends packets to the device. For
instance, SSH-ing through the USB network would apparently not work
unless you're flood-pinging the device's IP.
Add the property snps,usb2-gadget-lpm-disable to the... | ```diff
diff --git a/arch/arm64/boot/dts/exynos/exynos7870.dtsi b/arch/arm64/boot/dts/exynos/exynos7870.dtsi
index 5cba8c9bb403..d5d347623b90 100644
--- a/arch/arm64/boot/dts/exynos/exynos7870.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7870.dtsi
@@ -327,6 +327,7 @@
phys = <&usbdrd_phy 0>;
usb-role-switch;
... |
683d532dfc9657ab8aae25204f378352ed144646 | Analyze and fix the following issue in the Linux kernel code: pinctrl: samsung: Fix gs101 irq chip | Problem Details:
When adding the dedicated gs101_wkup_irq_chip struct to support the eint
wakeup mask the .eint_con, eint_mask and .eint_pend fields were missed. The
result is that irqs on gs101 for the buttons etc are broken.
Reported-by: André Draszik <andre.draszik@linaro.org>
Fixes: 2642f55d44ce ("pinctrl: samsung... | ```diff
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 5554768d465f..81fe0b08a9af 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -665,6 +665,9 @@ static const struct exynos_irq_chip gs101_wkup_irq_chip __ini... |
caf5ad18a2b49e3b20b1dc65e928851d409bcd1c | Analyze and fix the following issue in the Linux kernel code: soc: qcom: ubwc: Fix SM6125's ubwc_swizzle value | Problem Details:
The value of 7 (a.k.a. GENMASK(2, 0), a.k.a. disabling levels 1-3 of
swizzling) is what we want on this platform (and others with a UBWC
1.0 encoder).
Fix it to make mesa happy (the hardware doesn't care about the 2 higher
bits, as they weren't consumed on this platform).
Reviewed-by: Dmitry Baryshko... | ```diff
diff --git a/drivers/soc/qcom/ubwc_config.c b/drivers/soc/qcom/ubwc_config.c
index 18a853a3f76c..3eb2f2118e5d 100644
--- a/drivers/soc/qcom/ubwc_config.c
+++ b/drivers/soc/qcom/ubwc_config.c
@@ -103,7 +103,7 @@ static const struct qcom_ubwc_cfg_data sm6115_data = {
static const struct qcom_ubwc_cfg_data sm6125... |
0a1ff88ec5b60b41ba830c5bf08b6cd8f45ab411 | Analyze and fix the following issue in the Linux kernel code: drm/msm: use trylock for debugfs | Problem Details:
This resolves a potential deadlock vs msm_gem_vm_close(). Otherwise for
_NO_SHARE buffers msm_gem_describe() could be trying to acquire the
shared vm resv, while already holding priv->obj_lock. But _vm_close()
might drop the last reference to a GEM obj while already holding the vm
resv, and msm_gem_f... | ```diff
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index e3ccda777ef3..3e87d27dfcb6 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -938,7 +938,8 @@ void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m,
uint64_t off = drm_vma_node_start... |
9edc52967cc7fcd430749cdd8866aa68f25422bf | Analyze and fix the following issue in the Linux kernel code: drm/msm: Add VM logging for VM_BIND updates | Problem Details:
When userspace opts in to VM_BIND, the submit no longer holds references
keeping the VMA alive. This makes it difficult to distinguish between
UMD/KMD/app bugs. So add a debug option for logging the most recent VM
updates and capturing these in GPU devcoredumps.
The submitqueue id is also captured, ... | ```diff
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index ff25e3dada04..53cbfa5a507b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -833,6 +833,7 @@ void adreno_gpu_state_destroy(struct msm_gpu_state *state)
for ... |
fe4952b5f27cca5d143d3de249562d4cc984c1d6 | Analyze and fix the following issue in the Linux kernel code: drm/msm: Convert vm locking | Problem Details:
Convert to using the gpuvm's r_obj for serializing access to the VM.
This way we can use the drm_exec helper for dealing with deadlock
detection and backoff.
This will let us deal with upcoming locking order conflicts with the
VM_BIND implmentation (ie. in some scenarious we need to acquire the obj
lo... | ```diff
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 664fb801c221..82293806219a 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -48,6 +48,7 @@ static void put_iova_spaces(struct drm_gem_object *obj, struct drm_gpuvm *vm, bo
static void detach_vm(str... |
cdd73b1666079a73d061396f361df55d59fe96e6 | Analyze and fix the following issue in the Linux kernel code: uapi: fix broken link in linux/capability.h | Problem Details:
The link to the libcap library is outdated. Instead, use a link to the
libcap2 library.
As well, give the complete reference of the POSIX compliance.
Signed-off-by: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
Acked-by: Andrew G. Morgan <morgan@kernel.org>
Reviewed-by: Paul Moore <paul@paul-mo... | ```diff
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 2e21b5594f81..ea5a0899ecf0 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -6,9 +6,10 @@
* Alexander Kjeldaas <astor@guardian.no>
* with help from Aleph1, Roland Buresund and Andrew Mai... |
c72d628469b8f46251b3afc361269cb15de0c988 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix btree for nonexistent tree depth | Problem Details:
The fix for when we should increase tree depth in journal replay was
entirely bogus.
We should only increase the tree depth in journal replay when recovery
from btree node scan, and then only for keys found by btree node scan.
This needs additional work - we should be shooting down existing
interior ... | ```diff
diff --git a/fs/bcachefs/recovery.c b/fs/bcachefs/recovery.c
index d0b7e3a36a54..c94debb12d2f 100644
--- a/fs/bcachefs/recovery.c
+++ b/fs/bcachefs/recovery.c
@@ -273,24 +273,35 @@ static int bch2_journal_replay_key(struct btree_trans *trans,
goto out;
struct btree_path *path = btree_iter_path(trans, &it... |
ddb9680a7226d6081b42869d2875715a17ecb51d | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix bch2_io_failures_to_text() | Problem Details:
This wasn't updated when we added tracking for btree validate errors.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 036e4ad95987..83cbd77dcb9c 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -50,19 +50,17 @@ void bch2_io_failures_to_text(struct printbuf *out,
struct bch_io_failures *failed)
{
static const char * const error_types[... |
63d6e9311999a3dd125ad3e0560a769e047fd7b1 | Analyze and fix the following issue in the Linux kernel code: bcachefs: bch2_fpunch_snapshot() | Problem Details:
Add a new version of fpunch for operating on a snapshot ID, not a
subvolume - and use it for "extent past end of inode" repair.
Previously, repair would try to delete everything at once, but deleting
too many extents at once can overflow the btree_trans bump allocator, as
well as causing other problem... | ```diff
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index dbf161e4311a..856eb2b41896 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -12,6 +12,7 @@
#include "fs.h"
#include "fsck.h"
#include "inode.h"
+#include "io_misc.h"
#include "keylist.h"
#include "namei.h"
#include "recovery_passes.h"
@... |
9d712c50c30fface9b2a64251d9a7ac5fa7d3c4a | Analyze and fix the following issue in the Linux kernel code: drm/gpuvm: Fix doc comments | Problem Details:
Correctly summerize drm_gpuvm_sm_map/unmap, and fix the parameter order
and names. Just something I noticed in passing.
v2: Don't rename the arg names in prototypes to match function
declarations [Danilo]
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Acked-by: Danilo Krummrich <dakr@ke... | ```diff
diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
index e89b932e987c..b49da9b46b65 100644
--- a/drivers/gpu/drm/drm_gpuvm.c
+++ b/drivers/gpu/drm/drm_gpuvm.c
@@ -2300,13 +2300,13 @@ __drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm,
}
/**
- * drm_gpuvm_sm_map() - creates the &drm_gpuva_op sp... |
1c8c354098ea9d4376a58c96ae6b65288a6f15d8 | Analyze and fix the following issue in the Linux kernel code: drm/msm: Add error handling for krealloc in metadata setup | Problem Details:
Function msm_ioctl_gem_info_set_metadata() now checks for krealloc
failure and returns -ENOMEM, avoiding potential NULL pointer dereference.
Explicitly avoids __GFP_NOFAIL due to deadlock risks and allocation constraints.
Signed-off-by: Yuan Chen <chenyuan@kylinos.cn>
Patchwork: https://patchwork.free... | ```diff
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index d007687c2446..f0d016ce8e11 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -555,6 +555,7 @@ static int msm_ioctl_gem_info_set_metadata(struct drm_gem_object *obj,
u32 metadata_size)
{
s... |
349d6418201272a32ef75142d95d31069a27a5ba | Analyze and fix the following issue in the Linux kernel code: dt-bindings: opp: adreno: Update regex of OPP entry | Problem Details:
In some cases, an OPP may have multiple variants to describe the
differences in the resources between SKUs. As an example, we may
want to vote different peak bandwidths in different SKUs for the
same frequency and the OPP node names can have an additional
integer suffix to denote this difference like b... | ```diff
diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml
index a27ba7b663d4..0bd7d6b69755 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-adreno.ya... |
b41c1d8d07906786c60893980d52688f31d114a6 | Analyze and fix the following issue in the Linux kernel code: fscrypt: Don't use problematic non-inline crypto engines | Problem Details:
Make fscrypt no longer use Crypto API drivers for non-inline crypto
engines, even when the Crypto API prioritizes them over CPU-based code
(which unfortunately it often does). These drivers tend to be really
problematic, especially for fscrypt's workload. This commit has no
effect on inline crypto en... | ```diff
diff --git a/Documentation/filesystems/fscrypt.rst b/Documentation/filesystems/fscrypt.rst
index f63791641c1d..696a5844bfa3 100644
--- a/Documentation/filesystems/fscrypt.rst
+++ b/Documentation/filesystems/fscrypt.rst
@@ -147,9 +147,8 @@ However, these ioctls have some limitations:
were wiped. To partially... |
c872d7c837382517c51a76dfdcf550332cfab231 | Analyze and fix the following issue in the Linux kernel code: perf/arm-ni: Set initial IRQ affinity | Problem Details:
While we do request our IRQs with the right flags to stop their affinity
changing unexpectedly, we forgot to actually set it to start with. Oops.
Cc: stable@vger.kernel.org
Fixes: 4d5a7680f2b4 ("perf: Add driver for Arm NI-700 interconnect PMU")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Teste... | ```diff
diff --git a/drivers/perf/arm-ni.c b/drivers/perf/arm-ni.c
index de7b6cce4d68..9396d243415f 100644
--- a/drivers/perf/arm-ni.c
+++ b/drivers/perf/arm-ni.c
@@ -544,6 +544,8 @@ static int arm_ni_init_cd(struct arm_ni *ni, struct arm_ni_node *node, u64 res_s
return err;
cd->cpu = cpumask_local_spread(0, dev... |
9dd1757493416310a5e71146a08bc228869f8dae | Analyze and fix the following issue in the Linux kernel code: arm64/mm: Drop wrong writes into TCR2_EL1 | Problem Details:
Register X0 contains PIE_E1_ASM and should not be written into REG_TCR2_EL1
which could have an adverse impact otherwise. This has remained undetected
till now probably because current value for PIE_E1_ASM (0xcc880e0ac0800000)
clears TCR2_EL1 which again gets set subsequently with 'tcr2' after testing
... | ```diff
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 80d470aa469d..54dccfd6aa11 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -518,7 +518,6 @@ alternative_else_nop_endif
msr REG_PIR_EL1, x0
orr tcr2, tcr2, TCR2_EL1_PIE
- msr REG_TCR2_EL1, x0
.Lskip_indirection:
``` |
22f3a4f6085951eff28bd1e44d3f388c1d9a5f44 | Analyze and fix the following issue in the Linux kernel code: arm64: poe: Handle spurious Overlay faults | Problem Details:
We do not currently issue an ISB after updating POR_EL0 when
context-switching it, for instance. The rationale is that if the old
value of POR_EL0 is more restrictive and causes a fault during
uaccess, the access will be retried [1]. In other words, we are
trading an ISB on every context-switching for ... | ```diff
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 5954cec19660..08b7042a2e2d 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -673,6 +673,11 @@ static void permission_overlay_switch(struct task_struct *next)
current->thread.por_el0 = read_sysreg_s(SYS_PO... |
a75ad2fc76a2ab70817c7eed3163b66ea84ca6ac | Analyze and fix the following issue in the Linux kernel code: arm64: Filter out SME hwcaps when FEAT_SME isn't implemented | Problem Details:
We have a number of hwcaps for various SME subfeatures enumerated via
ID_AA64SMFR0_EL1. Currently we advertise these without cross checking
against the main SME feature, advertised in ID_AA64PFR1_EL1.SME which
means that if the two are out of sync userspace can see a confusing
situation where SME subfe... | ```diff
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index b34044e20128..e151585c6cca 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -3135,6 +3135,13 @@ static bool has_sve_feature(const struct arm64_cpu_capabilities *cap, int scope)
}
#endif
+#if... |
d38376b3ee48d073c64e75e150510d7e6b4b04f7 | Analyze and fix the following issue in the Linux kernel code: drm/imagination: Fix kernel crash when hard resetting the GPU | Problem Details:
The GPU hard reset sequence calls pm_runtime_force_suspend() and
pm_runtime_force_resume(), which according to their documentation should
only be used during system-wide PM transitions to sleep states.
The main issue though is that depending on some internal runtime PM
state as seen by pm_runtime_forc... | ```diff
diff --git a/drivers/gpu/drm/imagination/pvr_power.c b/drivers/gpu/drm/imagination/pvr_power.c
index 41f5d89e78b8..3e349d039fc0 100644
--- a/drivers/gpu/drm/imagination/pvr_power.c
+++ b/drivers/gpu/drm/imagination/pvr_power.c
@@ -386,13 +386,13 @@ pvr_power_reset(struct pvr_device *pvr_dev, bool hard_reset)
... |
2fa9c93035e17380cafa897ee1a4d503881a3770 | Analyze and fix the following issue in the Linux kernel code: ublk: speed up ublk server exit handling | Problem Details:
Recently, we've observed a few cases where a ublk server is able to
complete restart more quickly than the driver can process the exit of
the previous ublk server. The new ublk server comes up, attempts
recovery of the preexisting ublk devices, and observes them still in
state UBLK_S_DEV_LIVE. While th... | ```diff
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index e52c2d1cb838..870d57a853a4 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -235,6 +235,8 @@ struct ublk_device {
struct completion completion;
unsigned int nr_queues_ready;
unsigned int nr_privileged_daemon;
+... |
0d1c86b840966a278d9b25a9d7c18881980f306e | Analyze and fix the following issue in the Linux kernel code: arm64/gcs: Don't try to access GCS registers if arm64.nogcs is enabled | Problem Details:
During EL2 setup if GCS is advertised in the ID registers we will reset the
GCS control registers GCSCR_EL1 and GCSCRE0_EL1 to known values in order to
ensure it is disabled. This is done without taking into account overrides
supplied on the command line, meaning that if the user has configured
arm64.n... | ```diff
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h
index ba5df0df02a4..9f38340d24c2 100644
--- a/arch/arm64/include/asm/el2_setup.h
+++ b/arch/arm64/include/asm/el2_setup.h
@@ -287,17 +287,6 @@
.Lskip_fgt2_\@:
.endm
-.macro __init_el2_gcs
- mrs_s x1, SYS_ID_AA64PFR1_EL1
- u... |
b33f8cfb2b4d91c4bb7c16b354138cc205befed2 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: amlogic: Add Ugoos AM3 | Problem Details:
The Ugoos AM3 is a small set-top box based on the Amlogic S912 SoC,
with a board design that is very close to the Q20x development boards.
The MMC max-frequency properties are copied from the downstream device
tree.
https://ugoos.com/ugoos-am3-16g
The following functionality has been tested and is ... | ```diff
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 15e7901c1268..619dce79b020 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -80,6 +80,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q200.dtb
dtb-$(CONFIG_ARCH_MESON) += mes... |
9fe58ecd1ed8162a96447fe6fbcbfb2f74be0b54 | Analyze and fix the following issue in the Linux kernel code: mux: mmio: Fix missing CONFIG_REGMAP_MMIO | Problem Details:
MMIO mux uses now regmap_init_mmio(), so one way or another
CONFIG_REGMAP_MMIO should be enabled, because there are no stubs for
!REGMAP_MMIO case:
ERROR: modpost: "__regmap_init_mmio_clk" [drivers/mux/mux-mmio.ko] undefined!
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kerne... | ```diff
diff --git a/drivers/mux/Kconfig b/drivers/mux/Kconfig
index 80f015cf6e54..c68132e38138 100644
--- a/drivers/mux/Kconfig
+++ b/drivers/mux/Kconfig
@@ -48,6 +48,7 @@ config MUX_GPIO
config MUX_MMIO
tristate "MMIO/Regmap register bitfield-controlled Multiplexer"
depends on OF
+ select REGMAP_MMIO
help
... |
719b378d371899c8bbaf0ce5f42bf7db4be819f9 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add debugfs support for VM pagetable per client | Problem Details:
Add a debugfs file under the client directory which shares
the root page table base address of the VM.
This address could be used to dump the pagetable for debug
memory issues.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://lor... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index dac4b926e7be..e49890a23ef6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2131,6 +2131,55 @@ int amdgpu_debugfs_init(struct amdgpu_device *... |
ef8923e6c051a98164c2889db943df9695a39888 | Analyze and fix the following issue in the Linux kernel code: arm64: efi: Fix KASAN false positive for EFI runtime stack | Problem Details:
KASAN reports invalid accesses during arch_stack_walk() for EFI runtime
services due to vmalloc tagging[1]. The EFI runtime stack must be allocated
with KASAN tags reset to avoid false positives.
This patch uses arch_alloc_vmap_stack() instead of __vmalloc_node() for
EFI stack allocation, which intern... | ```diff
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 3857fd7ee8d4..62230d6dd919 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -15,6 +15,7 @@
#include <asm/efi.h>
#include <asm/stacktrace.h>
+#include <asm/vmap_stack.h>
static bool region_is_misaligned(const efi_mem... |
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