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1f3bd64ad921f051254591fbed04fd30b306cde6
Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix invalid call to mdiobus_get_phy()
Problem Details: In a number of cases the driver assigns a default value of -1 to priv->plat->phy_addr. This may result in calling mdiobus_get_phy() with addr parameter being -1. Therefore check for this scenario and bail out before calling mdiobus_get_phy(). Fixes: 42e87024f727 ("net: stmmac: Fix case when PHY handle...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c6951c976f5d..b7e5af58ab75 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1150,6 +1150,11 @@ static int stmmac_init...
0c68c8e5ec68262b6aee7cdbc32d95f4f1599fc8
Analyze and fix the following issue in the Linux kernel code: net: mdio: cavium: Remove unneeded simicolons
Problem Details: The recent refactoring to split C22 and C45 introduced two unneeded semiconons which the kernel test bot reported. Remove them. Reported-by: kernel test robot <lkp@intel.com> Fixes: 93641ecbaa1f ("net: mdio: cavium: Separate C22 and C45 transactions") Signed-off-by: Andrew Lunn <andrew@lunn.ch> Review...
```diff diff --git a/drivers/net/mdio/mdio-cavium.c b/drivers/net/mdio/mdio-cavium.c index fd81546a4d3d..100e46a702ee 100644 --- a/drivers/net/mdio/mdio-cavium.c +++ b/drivers/net/mdio/mdio-cavium.c @@ -67,7 +67,7 @@ int cavium_mdiobus_read_c22(struct mii_bus *bus, int phy_id, int regnum) cavium_mdiobus_set_mode(p, C...
c7bf714f875531f227f2ef1fdcc8f4d44e7c7d9d
Analyze and fix the following issue in the Linux kernel code: HID: check empty report_list in bigben_probe()
Problem Details: Add a check for empty report_list in bigben_probe(). The missing check causes a type confusion when issuing a list_entry() on an empty report_list. The problem is caused by the assumption that the device must have valid report_list. While this will be true for all normal HID devices, a suitably malicio...
```diff diff --git a/drivers/hid/hid-bigbenff.c b/drivers/hid/hid-bigbenff.c index e8c5e3ac9fff..e8b16665860d 100644 --- a/drivers/hid/hid-bigbenff.c +++ b/drivers/hid/hid-bigbenff.c @@ -344,6 +344,11 @@ static int bigben_probe(struct hid_device *hid, } report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_li...
b12fece4c64857e5fab4290bf01b2e0317a88456
Analyze and fix the following issue in the Linux kernel code: HID: check empty report_list in hid_validate_values()
Problem Details: Add a check for empty report_list in hid_validate_values(). The missing check causes a type confusion when issuing a list_entry() on an empty report_list. The problem is caused by the assumption that the device must have valid report_list. While this will be true for all normal HID devices, a suitably ...
```diff diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bd47628da6be..3e1803592bd4 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -993,8 +993,8 @@ struct hid_report *hid_validate_values(struct hid_device *hid, * Validating on id 0 means we should examine the first * repor...
179340dd4b39932a16f7db59998942494046b5a1
Analyze and fix the following issue in the Linux kernel code: wifi: ath10k: Remove the unused function ath10k_ce_shadow_src_ring_write_index_set()
Problem Details: The function ath10k_ce_shadow_src_ring_write_index_set is defined in the ce.c file, but not called elsewhere, so remove this unused function. drivers/net/wireless/ath/ath10k/ce.c:212:1: warning: unused function 'ath10k_ce_shadow_dest_ring_write_index_set'. Link: https://bugzilla.openanolis.cn/show_bu...
```diff diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 59926227bd49..c2f3bd35c392 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -208,14 +208,6 @@ ath10k_ce_shadow_src_ring_write_index_set(struct ath10k *ar, ath10k_ce_wri...
8a2f35b9830692f7a616f2f627f943bc748af13a
Analyze and fix the following issue in the Linux kernel code: wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()
Problem Details: Fix a stack-out-of-bounds write that occurs in a WMI response callback function that is called after a timeout occurs in ath9k_wmi_cmd(). The callback writes to wmi->cmd_rsp_buf, a stack-allocated buffer that could no longer be valid when a timeout occurs. Set wmi->last_seq_id to 0 when a timeout occur...
```diff diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index f315c54bd3ac..19345b8f7bfd 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -341,6 +341,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, if (!time_left) ...
0af54343a76263a12dbae7fafb64eb47c4a6ad38
Analyze and fix the following issue in the Linux kernel code: wifi: ath9k: hif_usb: clean up skbs if ath9k_hif_usb_rx_stream() fails
Problem Details: Syzkaller detected a memory leak of skbs in ath9k_hif_usb_rx_stream(). While processing skbs in ath9k_hif_usb_rx_stream(), the already allocated skbs in skb_pool are not freed if ath9k_hif_usb_rx_stream() fails. If we have an incorrect pkt_len or pkt_tag, the input skb is considered invalid and dropped...
```diff diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 86ede591dafa..f521dfa2f194 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -561,11 +561,11 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *...
9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69
Analyze and fix the following issue in the Linux kernel code: wifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function
Problem Details: It is stated that ath9k_htc_rx_msg() either frees the provided skb or passes its management to another callback function. However, the skb is not freed in case there is no another callback function, and Syzkaller was able to cause a memory leak. Also minor comment fix. Found by Linux Verification Cent...
```diff diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index ca05b07a45e6..fe62ff668f75 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -391,7 +391,7 @@ static void ath9k_htc_fw_panic_report(struct htc_target *htc_...
867dbe784c5010a466f00a7d1467c1c5ea569c75
Analyze and fix the following issue in the Linux kernel code: net: mdio: validate parameter addr in mdiobus_get_phy()
Problem Details: The caller may pass any value as addr, what may result in an out-of-bounds access to array mdio_map. One existing case is stmmac_init_phy() that may pass -1 as addr. Therefore validate addr before using it. Fixes: 7f854420fbfe ("phy: Add API for {un}registering an mdio device to a bus.") Signed-off-by...
```diff diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 1cd604cd1fa1..16e021b477f0 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -108,7 +108,12 @@ EXPORT_SYMBOL(mdiobus_unregister_device); struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr) { - ...
21cbd90a6fab7123905386985e3e4a80236b8714
Analyze and fix the following issue in the Linux kernel code: inet: fix fast path in __inet_hash_connect()
Problem Details: __inet_hash_connect() has a fast path taken if sk_head(&tb->owners) is equal to the sk parameter. sk_head() returns the hlist_entry() with respect to the sk_node field. However entries in the tb->owners list are inserted with respect to the sk_bind_node field with sk_add_bind_node(). Thus the check wou...
```diff diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 24a38b56fab9..b97dd10e02a7 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -995,17 +995,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, u32 index; if (port) { - head = &hinfo->bh...
ecf7cf8efb59789e2b21d2f9ab926142579092b2
Analyze and fix the following issue in the Linux kernel code: net: usb: sr9700: Handle negative len
Problem Details: Packet len computed as difference of length word extracted from skb data and four may result in a negative value. In such case processing of the buffer should be interrupted rather than setting sr_skb->len to an unexpectedly large value (due to cast from signed to unsigned integer) and passing sr_skb t...
```diff diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c index 5a53e63d33a6..3164451e1010 100644 --- a/drivers/net/usb/sr9700.c +++ b/drivers/net/usb/sr9700.c @@ -413,7 +413,7 @@ static int sr9700_rx_fixup(struct usbnet *dev, struct sk_buff *skb) /* ignore the CRC length */ len = (skb->data[1] | (...
cddf70d0bce71c2ad69b7bef7a9f20d8104cbfd8
Analyze and fix the following issue in the Linux kernel code: i2c: dev: fix notifier return values
Problem Details: We have a set of return values that notifier callbacks can return. They should not return 0, error codes or anything other than those predefined values. Make the i2c character device's callback return NOTIFY_DONE or NOTIFY_OK depending on the situation. Signed-off-by: Bartosz Golaszewski <bartosz.gola...
```diff diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index ab0adaa130da..107623c4cc14 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -653,12 +653,12 @@ static int i2cdev_attach_adapter(struct device *dev, void *dummy) int res; if (dev->type != &i2c_adapter_type) - return 0; + re...
2426fdf77afb4d78316585531a4069905a5accc7
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Improve debug logging in tb_available_bandwidth()
Problem Details: This makes it easier to see what is going on when bandwidth is being allocated for tunneling. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
```diff diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 3a541ebc7e3d..de7a2ba9d458 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -350,7 +350,9 @@ static int tb_available_bandwidth(struct tb *tb, struct tb_port *src_port, struct tb_tunnel *tunnel; struct tb_port *port...
b0ef48fc95cc2ce042fd5ad85d193e8a57502094
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Log DP adapter type
Problem Details: This makes it easier to see from the debug logs what type of DisplayPort adapter is in use or available. No functional changes. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
```diff diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 462845804427..3a541ebc7e3d 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -882,7 +882,7 @@ static struct tb_port *tb_find_dp_out(struct tb *tb, struct tb_port *in) continue; if (tb_port_is_enabled(port)) { -...
4b26b7c9cdefdcb478047c30901d2379ef9e50fc
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/imx_sc_thermal: Fix the loop condition
Problem Details: The minimal resource ID is 0: IMX_SC_R_AP_0=0, so fix the loop condition. Aside of this - constify the array. Fixes: 31fd4b9db13b ("thermal/drivers/imx_sc: Rely on the platform data to get the resource id") Signed-off-by: Viorel Suman <viorel.suman@nxp.com> Reviewed-by: Dong Aisheng <Aisheng.dong@nxp....
```diff diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c index 4df925e3a80b..dfadb03580ae 100644 --- a/drivers/thermal/imx_sc_thermal.c +++ b/drivers/thermal/imx_sc_thermal.c @@ -88,7 +88,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev) if (!resource_id) return -EI...
a4650da2a2d6150a8ff1ea36fde9f6a26cf5fda3
Analyze and fix the following issue in the Linux kernel code: net: fix call location in kfree_skb_list_reason
Problem Details: The SKB drop reason uses __builtin_return_address(0) to give the call "location" to trace_kfree_skb() tracepoint skb:kfree_skb. To keep this stable for compilers kfree_skb_reason() is annotated with __fix_address (noinline __noclone) as fixed in commit c205cc7534a9 ("net: skb: prevent the split of kfr...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 3a10387f9434..ca2b4d6f9c9a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -930,6 +930,21 @@ void __kfree_skb(struct sk_buff *skb) } EXPORT_SYMBOL(__kfree_skb); +static __always_inline +bool __kfree_skb_reason(struct sk_buff *skb, enum skb_d...
59437c79cab5ab33103a2bf09cc6ca157a8ce17d
Analyze and fix the following issue in the Linux kernel code: drm/ttm: Include <linux/vmalloc.h> to fix MIPS build
Problem Details: On MIPS, vmap() and vunmap() are undeclared in ttm_bo_util.c. An error message is shown below. CC drivers/gpu/drm/ttm/ttm_bo_util.o ../drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_bo_kmap_ttm': ../drivers/gpu/drm/ttm/ttm_bo_util.c:364:32: error: implicit declaration of function 'vmap...
```diff diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index fee7c20775c0..d33bff038d3a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -29,6 +29,8 @@ * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> */ +#include <linux/vmallo...
342ab21d203375ad9bee499c41a8cf7794890df6
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-ufs: Remove _tbl suffix from qmp_phy_init_tbl definitions
Problem Details: Following the other QMP PHY drivers like PCIe, let's remove the "_tbl" suffix from the qmp_phy_init_tbl definitions. This helps in maintaining the uniformity across all of the QMP PHY drivers. Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Andrew Halaney <ahalaney@redhat.com> #...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index d2f3cba625b8..30d098735040 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -99,7 +99,7 @@ static const unsigned int ufsphy_v5_regs_layout[QPHY_LAYOUT_SIZE] =...
e2f27392275c7ffceb4afac1567eb325722b9ae1
Analyze and fix the following issue in the Linux kernel code: LoongArch: Adjust PC value when unwind next frame in unwinder
Problem Details: When state->first is not set, the PC is a return address in the previous frame. We need to adjust its value in case overflow to the next symbol. Signed-off-by: Jinyang He <hejinyang@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
```diff diff --git a/arch/loongarch/kernel/unwind_prologue.c b/arch/loongarch/kernel/unwind_prologue.c index 0f8d1451ebb8..e98b00432c88 100644 --- a/arch/loongarch/kernel/unwind_prologue.c +++ b/arch/loongarch/kernel/unwind_prologue.c @@ -56,7 +56,7 @@ static bool unwind_by_prologue(struct unwind_state *state) { lon...
e3ff8887e7db757360f97634e0d6f4b8e27a8c46
Analyze and fix the following issue in the Linux kernel code: blk-cgroup: fix missing pd_online_fn() while activating policy
Problem Details: If the policy defines pd_online_fn(), it should be called after pd_init_fn(), like blkg_create(). Signed-off-by: Yu Kuai <yukuai3@huawei.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230103112833.2013432-1-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
```diff diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index ce6a2b7d3dfb..4c94a6560f62 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1455,6 +1455,10 @@ retry: list_for_each_entry_reverse(blkg, &q->blkg_list, q_node) pol->pd_init_fn(blkg->pd[pol->plid]); + if (pol->pd_online_fn) + list_fo...
cb7d9defdafba4c1d463a09c9b09876066f81ee4
Analyze and fix the following issue in the Linux kernel code: rust: compiler_builtins: make stubs non-global
Problem Details: Currently we define a number of stubs for compiler-builtin intrinsics that compiled libcore generates. The defined stubs are weak so they will not conflict with genuine implementation of these intrinsics, but their effect is global and will cause non-libcore code that accidently generate these intrinsi...
```diff diff --git a/rust/Makefile b/rust/Makefile index d7621fad5b56..8a521f2b6422 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -360,8 +360,22 @@ rust-analyzer: $(Q)$(srctree)/scripts/generate_rust_analyzer.py $(srctree) $(objtree) \ $(RUST_LIB_SRC) > $(objtree)/rust-project.json +redirect-intrinsics = \ +...
6c796996ee7033bcbbc3cd733513eb43f8160f5e
Analyze and fix the following issue in the Linux kernel code: x86/pci/xen: Fixup fallout from the PCI/MSI overhaul
Problem Details: David reported that the recent PCI/MSI rework results in MSI descriptor leakage under XEN. This is caused by: 1) The missing MSI_FLAG_FREE_MSI_DESCS flag in the XEN MSI domain info, which is required now that PCI/MSI delegates descriptor freeing to the core MSI code. 2) Not disassociat...
```diff diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 790550479831..8babce71915f 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -392,6 +392,7 @@ static void xen_teardown_msi_irqs(struct pci_dev *dev) msi_for_each_desc(msidesc, &dev->dev, MSI_DESC_ASSOCIATED) { for (i = 0; i < msidesc->nve...
0a3a58de319552525507a3497da86df039a5e4e0
Analyze and fix the following issue in the Linux kernel code: x86/pci/xen: Set MSI_FLAG_PCI_MSIX support in Xen MSI domain
Problem Details: The Xen MSI → PIRQ magic does support MSI-X, so advertise it. (In fact it's better off with MSI-X than MSI, because it's actually broken by design for 32-bit MSI, since it puts the high bits of the PIRQ# into the high 32 bits of the MSI message address, instead of the Extended Destination ID field whi...
```diff diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index b94f727251b6..790550479831 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -433,6 +433,7 @@ static struct msi_domain_ops xen_pci_msi_domain_ops = { }; static struct msi_domain_info xen_pci_msi_domain_info = { + .flags = MSI_FLAG_PCI_MS...
b7adbf9ada3513d2092362c8eac5cddc5b651f5c
Analyze and fix the following issue in the Linux kernel code: btrfs: fix race between quota rescan and disable leading to NULL pointer deref
Problem Details: If we have one task trying to start the quota rescan worker while another one is trying to disable quotas, we can end up hitting a race that results in the quota rescan worker doing a NULL pointer dereference. The steps for this are the following: 1) Quotas are enabled; 2) Task A calls the quota resc...
```diff diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 00851c86aa8a..af97413abcf4 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -3367,6 +3367,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work) int err = -ENOMEM; int ret = 0; bool stopped = false; + bool did_leaf_rescans = f...
1f55ee6d0901d915801618bda0af4e5b937e3db7
Analyze and fix the following issue in the Linux kernel code: btrfs: fix invalid leaf access due to inline extent during lseek
Problem Details: During lseek, for SEEK_DATA and SEEK_HOLE modes, we access the disk_bytenr of an extent without checking its type. However inline extents have their data starting the offset of the disk_bytenr field, so accessing that field when we have an inline extent can result in either of the following: 1) Interp...
```diff diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 834bbcb91102..af046d22300e 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3541,6 +3541,7 @@ static loff_t find_desired_extent(struct file *file, loff_t offset, int whence) struct extent_buffer *leaf = path->nodes[0]; struct btrfs_file_extent_ite...
54890925f2a44e2888f61f8d1deca89f909f521a
Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: dsa: qca8k: remove address-cells and size-cells from switch node
Problem Details: The children of the switch node don't have a unit address, and therefore should not need the #address-cells or #size-cells entries. Fix the example schemas accordingly. Suggested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Florian Fa...
```diff diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.yaml b/Documentation/devicetree/bindings/net/dsa/qca8k.yaml index 978162df51f7..6fc9bc985726 100644 --- a/Documentation/devicetree/bindings/net/dsa/qca8k.yaml +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.yaml @@ -148,8 +148,6 @@ examples: ...
afdc0aab49721807106d4c9003c27f443b650ecc
Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: dsa: sf2: fix brcm,use-bcm-hdr documentation
Problem Details: The property use-bcm-hdr was documented as an entry under the ports node for the bcm_sf2 DSA switch. This property is actually evaluated for each port. Correct the documentation to match the actual behavior and properly reference dsa-port.yaml for additional properties of the node. Suggested-by: Rob H...
```diff diff --git a/Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml b/Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml index d159ac78cec1..eed16e216fb6 100644 --- a/Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml +++ b/Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml @@ -85,11 +85,16 @@ p...
8636500300a01740d92b345c680b036b94555b1b
Analyze and fix the following issue in the Linux kernel code: drm/msm: Fix failure paths in msm_drm_init()
Problem Details: Ensure that we do drm_dev_put() when there is an early return in msm_drm_init(). Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/515606/ Link: https://lore.kernel.org/r/20221221203925.v2.2.I49dfc3654040be61702e491f1aa63d3a5f308852@changeid Si...
```diff diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c index e75b97127c0d..b73031cd48e4 100644 --- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c +++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot.c @@ -129,6 +129,9 @@ void msm_disp_snapshot_destroy(struct drm_dev...
dbeedbcb268d055d8895aceca427f897e12c2b50
Analyze and fix the following issue in the Linux kernel code: drm/msm/adreno: Fix null ptr access in adreno_gpu_cleanup()
Problem Details: Fix the below kernel panic due to null pointer access: [ 18.504431] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000048 [ 18.513464] Mem abort info: [ 18.516346] ESR = 0x0000000096000005 [ 18.520204] EC = 0x25: DABT (current EL), IL = 32 bits [ 18.525706] ...
```diff diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 57586c794b84..3bc02dbed9a7 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -1079,13 +1079,13 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_d...
de7d0ff301fccc75281d7d8eb98c4a47faacf32d
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Dump the efuse only for untested devices
Problem Details: It appears this was the intention all along, but commit 3307d84024d2 ("rtl8xxxu: Add initial code to parse rtl8192eu efuse") initialised rtl8xxxu_debug with RTL8XXXU_DEBUG_EFUSE for no apparent reason, which made it dump the efuse for all devices, even the tested ones. Signed-off-by: Bitterblue Smith ...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 9fa2b8306f78..35dc777c1fba 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -34,7 +34,7 @@ #define ...
2931978cd74f4a643deeea5b211523001d95aa44
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: Use non-atomic sta iterator in rtw_ra_mask_info_update()
Problem Details: USB and (upcoming) SDIO support may sleep in the read/write handlers. Use non-atomic rtw_iterate_stas() in rtw_ra_mask_info_update() because the iterator function rtw_ra_mask_info_update_iter() needs to read and write registers from within rtw_update_sta_info(). Using the non-atomic iterator ensures th...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 776a9a9884b5..3b92ac611d3f 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -737,7 +737,7 @@ static void rtw_ra_mask_info_update(struc...
313f6dc7c5ed723d0c5691553eff4c0090f16bb8
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: Use rtw_iterate_vifs() for rtw_vif_watch_dog_iter()
Problem Details: USB and (upcoming) SDIO support may sleep in the read/write handlers. Make rtw_watch_dog_work() use rtw_iterate_vifs() to prevent "scheduling while atomic" or "Voluntary context switch within RCU read-side critical section!" warnings when accessing the registers using an SDIO card (which is where this ...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 888427cf3bdf..b2e78737bd5d 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -241,8 +241,10 @@ static void rtw_watch_dog_work(struct work_struct *work)...
5fa55950729d0762a787451dc52862c3f850f859
Analyze and fix the following issue in the Linux kernel code: x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
Problem Details: Baoquan reported that after triggering a crash the subsequent crash-kernel fails to boot about half of the time. It triggers a NULL pointer dereference in the periodic tick code. This happens because the legacy timer interrupt (IRQ0) is resent in software which happens in soft interrupt (tasklet) cont...
```diff diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 3aa5304200c5..4d8aff05a509 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -114,6 +114,7 @@ static void make_8259A_irq(unsigned int irq) disable_irq_nosync(irq); io_apic_irqs &= ~(1<<irq); irq_set_chip_and_handler(i...
ebe8dee7aea6be7a775de718ee8fa93f77e3e4af
Analyze and fix the following issue in the Linux kernel code: wifi: rt2x00: Remove useless else if
Problem Details: The assignment of the else and else if branches is the same, so the else if here is redundant, so we remove it. ./drivers/net/wireless/ralink/rt2x00/rt2800lib.c:8927:9-11: WARNING: possible condition with no effect (if == else). Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3631 Reported-by: A...
```diff diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c index 12b700c7b9c3..1226a883cd67 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c @@ -8924,8 +8924,6 @@ static void rt2800_rxiq_calibration...
803f3176c5df3b5582c27ea690f204abb60b19b9
Analyze and fix the following issue in the Linux kernel code: wifi: mt7601u: fix an integer underflow
Problem Details: Fix an integer underflow that leads to a null pointer dereference in 'mt7601u_rx_skb_from_seg()'. The variable 'dma_len' in the URB packet could be manipulated, which could trigger an integer underflow of 'seg_len' in 'mt7601u_rx_process_seg()'. This underflow subsequently causes the 'bad_frame' checks...
```diff diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c index 457147394edc..773a1cc2f852 100644 --- a/drivers/net/wireless/mediatek/mt7601u/dma.c +++ b/drivers/net/wireless/mediatek/mt7601u/dma.c @@ -123,7 +123,8 @@ static u16 mt7601u_rx_next_seg_len(u8 *data, u32 ...
1e346cbb096a5351a637ec1992beffbf330547f0
Analyze and fix the following issue in the Linux kernel code: wifi: orinoco: check return value of hermes_write_wordrec()
Problem Details: There is currently no return check for writing an authentication type (HERMES_AUTH_SHARED_KEY or HERMES_AUTH_OPEN). It looks like it was accidentally skipped. This patch adds a return check similar to the other checks in __orinoco_hw_setup_enc() for hermes_write_wordrec(). Detected using the static a...
```diff diff --git a/drivers/net/wireless/intersil/orinoco/hw.c b/drivers/net/wireless/intersil/orinoco/hw.c index 0aea35c9c11c..4fcca08e50de 100644 --- a/drivers/net/wireless/intersil/orinoco/hw.c +++ b/drivers/net/wireless/intersil/orinoco/hw.c @@ -931,6 +931,8 @@ int __orinoco_hw_setup_enc(struct orinoco_private *pr...
cb689109d9d7e5668f23aafed49a02c55f0aaa6d
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: rtl8723ae: fix obvious spelling error tyep->type
Problem Details: This appears to be an obvious spelling error, initially identified in a codespell report and never addressed. Reported-by: Jens Schleusener <Jens.Schleusener@fossies.org> Link: https://bugzilla.kernel.org/show_bug.cgi?id=205891 Signed-off-by: Konstantin Ryabitsev <icon@mricon.com> Acked-by: Ping-Ke Sh...
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_bt_coexist.h b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_bt_coexist.h index 0455a3712f3e..12cdecdafc32 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_bt_coexist.h +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_bt...
b39f662ce1648db0b9de32e6a849b098480793cb
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Fix memory leaks with RTL8723BU, RTL8192EU
Problem Details: The wifi + bluetooth combo chip RTL8723BU can leak memory (especially?) when it's connected to a bluetooth audio device. The busy bluetooth traffic generates lots of C2H (card to host) messages, which are not freed correctly. To fix this, move the dev_kfree_skb() call in rtl8xxxu_c2hcmd_callback() ins...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index fd97c040948a..03ffb99da7e2 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -5702,9 +5702,6 @@ static ...
0f097f08c9b3c1fdb6cc9f2dd423abc17d13f1a2
Analyze and fix the following issue in the Linux kernel code: lib/scatterlist: Fix to calculate the last_pg properly
Problem Details: The last_pg is wrong, it is actually the first page of the last scatterlist element. To get the last page of the last scatterlist element we have to add prv->length. So it is checking mergability against the wrong page, Further, a SG element is not guaranteed to end on a page boundary, so we have to ch...
```diff diff --git a/lib/scatterlist.c b/lib/scatterlist.c index f72aa50c6654..8d7519a8f308 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -470,22 +470,27 @@ int sg_alloc_append_table_from_pages(struct sg_append_table *sgt_append, return -EOPNOTSUPP; if (sgt_append->prv) { + unsigned long next_pfn = ...
4fe59a130c112460626a6a8b9232aa580d9b8efc
Analyze and fix the following issue in the Linux kernel code: kernel/printk/printk.c: Fix W=1 kernel-doc warning
Problem Details: Fix W=1 kernel-doc warning: kernel/printk/printk.c: - Include function parameter in console_lock_spinning_disable_and_check() Signed-off-by: Anuradha Weeraman <anuradha@debian.org> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org...
```diff diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 3f7c8ed96512..39221b0f918d 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1892,6 +1892,7 @@ static void console_lock_spinning_enable(void) /** * console_lock_spinning_disable_and_check - mark end of code where another ...
3e9900f3bd7ba30d60f82b162b70a1dffe4e8e24
Analyze and fix the following issue in the Linux kernel code: pktcdvd: check for NULL returna fter calling bio_split_to_limits()
Problem Details: The revert of the removal of this driver happened after we fixed up the split limits for NOWAIT issue, hence it got missed. Ensure that we check for a NULL bio after splitting, in case it should be retried. Marking this as fixing both commits, so that stable backport will do this correctly. Cc: stabl...
```diff diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 4cea3b08087e..2f1a92509271 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2400,6 +2400,8 @@ static void pkt_submit_bio(struct bio *bio) struct bio *split; bio = bio_split_to_limits(bio); + if (!bio) + return; ...
3ef5abd9b5c738bc6fa9a65e40331ef2cb03ad9c
Analyze and fix the following issue in the Linux kernel code: tty: serial: kgdboc: fix mutex locking order for configure_kgdboc()
Problem Details: Several mutexes are taken while setting up console serial ports. In particular, the tty_port->mutex and @console_mutex are taken: serial_pnp_probe serial8250_register_8250_port uart_add_one_port (locks tty_port->mutex) uart_configure_port register_console (locks @console_...
```diff diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index a3ed9b34e2ab..7ce7bb164005 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -171,6 +171,7 @@ static int configure_kgdboc(void) int err = -ENODEV; char *cptr = config; struct console *cons; + int cooki...
80f8a66dede0a4b4e9e846765a97809c6fe49ce5
Analyze and fix the following issue in the Linux kernel code: Revert "wifi: mac80211: fix memory leak in ieee80211_if_add()"
Problem Details: This reverts commit 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. ieee80211_if_free() is already called from free_netdev(ndev) because ndev->priv_destructor == ieee80211_if_free syzbot reported: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN ...
```diff diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index e20c3fe9a0b1..23ed13f15067 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -2197,7 +2197,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = cfg80211_register_netdevice(ndev); if (ret) { - ieee8...
953519b35227d5dbbb5c5724f1f539735fbf7781
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: dma: fix a regression in adding rx buffers
Problem Details: When adding WED support, mt76_dma_add_buf was accidentally changed to set the skip_buf0 flag for tx buffers on the wrong queue descriptor entry. Additionally, there is a rxwi leak when rx buffer allocation fails. Fix this and make the code more readable by adding a separate function for adding rx buff...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 61a8ab9e1db5..06161815c180 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -205,6 +205,52 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue...
e5c3ac895750b39ef53b84ff4814617ecd69d556
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: handle possible mt76_rx_token_consume failures
Problem Details: Take into account possible error conditions of mt76_rx_token_consume routine in mt7915_mmio_wed_init_rx_buf() and mt76_dma_add_buf() Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Fixes: 4f831d18d12d ("wifi: mt76: mt7915: enable WED RX support") Signed-off-by: Lorenzo...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index c058a02e9ba5..61a8ab9e1db5 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -234,6 +234,9 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q, ...
1132d1c834d6185c89aef07c860fc143a6f2db93
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
Problem Details: Do not increment queue head if mt76_dma_add_buf fails for Wireless Ethernet Dispatcher rx queues. Fixes: cd372b8c99c5 ("wifi: mt76: add WED RX support to mt76_dma_{add,get}_buf") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name> (cherry picked from commit...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index f795548562f5..c058a02e9ba5 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -212,14 +212,14 @@ mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q...
87b93b678e95c7d93fe6a55b0e0fbda26d8c7760
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Avoid use of GFP_KERNEL in atomic context
Problem Details: Using GFP_KERNEL in preemption disable context, causing below warning when CONFIG_DEBUG_ATOMIC_SLEEP is enabled. [ 32.542271] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 32.550883] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ ...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 88f8772a61cd..497b777b6a34 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -1370,7 +1370,...
0b2c59720e65885a394a017d0cf9cab118914682
Analyze and fix the following issue in the Linux kernel code: l2tp: close all race conditions in l2tp_tunnel_register()
Problem Details: The code in l2tp_tunnel_register() is racy in several ways: 1. It modifies the tunnel socket _after_ publishing it. 2. It calls setup_udp_tunnel_sock() on an existing socket without locking. 3. It changes sock lock class on fly, which triggers many syzbot reports. This patch amends all of the...
```diff diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index e9c0ce0b7972..b6554e32bb12 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1041,7 +1041,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFR...
c4d48a58f32c5972174a1d01c33b296fe378cce0
Analyze and fix the following issue in the Linux kernel code: l2tp: convert l2tp_tunnel_list to idr
Problem Details: l2tp uses l2tp_tunnel_list to track all registered tunnels and to allocate tunnel ID's. IDR can do the same job. More importantly, with IDR we can hold the ID before a successful registration so that we don't need to worry about late error handling, it is not easy to rollback socket changes. This is ...
```diff diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 9a1415fe3fa7..e9c0ce0b7972 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -104,9 +104,9 @@ static struct workqueue_struct *l2tp_wq; /* per-net private data for this module */ static unsigned int l2tp_net_id; struct l2tp_net { - s...
7f495de6ae7d31f098970fb45a038c9f69b1bf75
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix assignation of TX BD RAM table
Problem Details: TX BD's RAM table describes how HW allocates usable buffer section for each TX channel at fetch time. The total RAM size for TX BD is chip-dependent. For 8852BE, it has only half size (32) for TX channels of single band. Original table arrange total size (64) for dual band. It will overflow on 8852BE c...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 1c4500ba777c..0ea734c81b4f 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -1384,7 +1384,7 @@ static int rtw89_pci_ops_tx_write(struct rtw89_dev *rtwdev,...
15423743ae840977fe269ff907e37e20fe1c14df
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: correct register definitions of digital CFO and spur elimination
Problem Details: This change fixes the precision of CFO and TX EVM, and it could imporve performance in some cases. Also, use the correctted definition for 8852A. Signed-off-by: Eric Huang <echuang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 578a1969afd6..412a6918efd6 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -4102,9 +4102,9 @@ #define R_MUIC 0x40F8 #define B_MUIC_EN BIT(0) #define R...
95dafeabe477d9692154e85140eda5124895ea4f
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix null vif pointer when get management frame date rate
Problem Details: When transmitting a packet that gets from ieee80211_nullfunc_get(), the vif in tx_info->control was no assigned, which will cause dereferencing a null pointer. Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kern...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 2e4ba8e42d39..27f7a1860c9d 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -498,7 +498,8 @@ static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtw...
2ce43be348502703cf173fc31ea45bfe5ff43f90
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: coex: refactor debug log of slot list
Problem Details: Slot list is to list the WiFi/Bluetooth PTA hardware priority setting. Move the list parser to its function, not to append together with TDMA parser. Signed-off-by: Ching-Te Ku <ku920601@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: ht...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 5979efb5e465..03872ac8cced 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -6345,9 +6345,6 @@ static void _show_fbtc_tdma(struct rtw89_dev *rtwdev, s...
ed9e6166eb0984b718facb7ca59296098cc3aa64
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: Add missing check for alloc_workqueue
Problem Details: Add check for the return value of alloc_workqueue since it may return NULL pointer. Moreover, add destroy_workqueue when rtw89_load_firmware fails. Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Acked-by: Ping-Ke Shih <pkshih@realtek.com...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index adc961752a29..2e4ba8e42d39 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3135,6 +3135,8 @@ int rtw89_core_init(struct rtw89_dev *rtwdev) INIT_DE...
4a0e218cc9c42d1903ade8b5a371dcf48cf918c5
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()
Problem Details: Do `kfree_skb(new)` before `goto out` to prevent potential leak. Fixes: 895907779752 ("rtw89: 8852a: add ieee80211_ops::hw_scan") Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kerne...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 19a49ef243fa..98cfadda8f45 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -2686,8 +2686,10 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev,...
e20c9f656654f74c9234e6cd3231aed72f53d246
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: Fix a typo in debug message
Problem Details: This patch fixes a spelling typo in debug message. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221223102058.162179-1-standby24x7@gmail.com
```diff diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852a_rfk.c index 582ff0d3a9ea..cd6c39b7f802 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852a_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852a_rfk.c @@ -1643,7 +1643,7 @@ static void _doiqk(stru...
c48ac0efe6d71050f635b40116ba714961ad9d4c
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: Add support for phyBOARD-Electra-AM642
Problem Details: Add basic support for phyCORE-AM64x SoM & phyBOARD-Electra-AM642 CB. The phyCORE-AM64x [1] is a SoM (System on Module) featuring TI's AM64x SoC. It can be used in combination with different carrier boards. This module can come with different sizes and models for DDR, eMMC, SPI NOR Flash and various So...
```diff diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 27b2e1f5555e..e7c2c7dd0b25 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -23,6 +23,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dt...
3a415d59c1dbec9d772dbfab2d2520d98360caae
Analyze and fix the following issue in the Linux kernel code: net/sched: sch_taprio: fix possible use-after-free
Problem Details: syzbot reported a nasty crash [1] in net_tx_action() which made little sense until we got a repro. This repro installs a taprio qdisc, but providing an invalid TCA_RATE attribute. qdisc_create() has to destroy the just initialized taprio qdisc, and taprio_destroy() is called. However, the hrtimer us...
```diff diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index d5517719af4e..af4aa66aaa4e 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -1288,4 +1288,11 @@ void mq_change_real_num_tx(struct Qdisc *sch, unsigned int new_real_tx); int sch_frag_xmit_hook(struct sk_buff *skb...
e20a06aca5c9d2d68354c340f96999d8dcb7128d
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: Add support for J784S4 EVM board
Problem Details: J784S4 EVM board is designed for TI J784S4 SoC. It supports the following interfaces: * 32 GB DDR4 RAM * x2 Gigabit Ethernet interfaces capable of working in Switch and MAC mode * x1 Input Audio Jack, x1 Output Audio Jack * x1 USB2.0 Hub with two Type A host and x1 USB 3.1 Type-C Port * x2 4L PCIe conn...
```diff diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index cf7c509538a4..27b2e1f5555e 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -20,6 +20,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721s2-commo...
660145d708be52f946a82e5b633c020f58f996de
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: ensure CLM version is null-terminated to prevent stack-out-of-bounds
Problem Details: Fix a stack-out-of-bounds read in brcmfmac that occurs when 'buf' that is not null-terminated is passed as an argument of strreplace() in brcmf_c_preinit_dcmds(). This buffer is filled with a CLM version string by memcpy() in brcmf_fil_iovar_data_get(). Ensure buf is null-terminated. Found by a modifi...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index 5b484bbac8a7..f235beaddddb 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -320,15 +3...
c296c77efb66994d94d9f706446a115581226550
Analyze and fix the following issue in the Linux kernel code: net: stmmac: Fix queue statistics reading
Problem Details: Correct queue statistics reading. All queue statistics are stored as unsigned long values. The retrieval for ethtool fetches these values as u64. However, on some systems the size of the counters are 32 bit. That yields wrong queue statistic counters e.g., on arm32 systems such as the stm32mp157. Fix i...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index f453b0d09366..35c8dd92d369 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -551,16 +551,16 @@ static void...
01338bb82fed40a6a234c2b36a92367c8671adf0
Analyze and fix the following issue in the Linux kernel code: drm/bridge: tc358767: Set default CLRSIPO count
Problem Details: The current CLRSIPO count is still marginal and does not work with high DSI clock rates in burst mode. Increase it further to allow the DSI link to work at up to 1Gbps lane speed. This returns the counts to defaults as provided by datasheet. Fixes: ea6490b02240b ("drm/bridge: tc358767: increase CLRSIP...
```diff diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index a4725efe812d..6d16ec45ea61 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1264,10 +1264,10 @@ static int tc_dsi_rx_enable(struct tc_data *tc) u32 value; int ret; - regmap_wr...
31b62a98de42cf65d76e4dcfb571af067d27d83a
Analyze and fix the following issue in the Linux kernel code: pinctrl: rockchip: fix reading pull type on rk3568
Problem Details: When reading pinconf-pins from debugfs it fails to get the configured pull type on RK3568, "unsupported pinctrl type" error messages is also reported. Fix this by adding support for RK3568 in rockchip_get_pull, including a reverse of the pull-up value swap applied in rockchip_set_pull so that pull-up ...
```diff diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index da974ff2d75d..c3b9313e5be1 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2436,10 +2436,19 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) case ...
b870e73a56c4cccbec33224233eaf295839f228c
Analyze and fix the following issue in the Linux kernel code: wifi: rndis_wlan: Prevent buffer overflow in rndis_query_oid
Problem Details: Since resplen and respoffs are signed integers sufficiently large values of unsigned int len and offset members of RNDIS response will result in negative values of prior variables. This may be utilized to bypass implemented security checks to either extract memory contents by manipulating offset or ove...
```diff diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 82a7458e01ae..bf72e5fd39cf 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -696,8 +696,8 @@ static int rndis_query_oid(struct usbnet *dev, u32 oid, void *data, int *len) struct r...
ed05cb177ae5cd7f02f1d6e7706ba627d30f1696
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: fix regression for Broadcom PCIe wifi devices
Problem Details: A sanity check was introduced considering maximum flowrings above 256 as insane and effectively aborting the device probe. This resulted in regression for number of users as the value turns out to be sane after all. Fixes: 2aca4f3734bd ("brcmfmac: return error when getting invalid max_flowrings from d...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index ae57a9a3ab05..b67f6d0810b6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1228,7 +1228,7 @@...
aadb50d1571211c73248605bcc1f4b9f8e3d1364
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: avoid NULL-deref in survey dump for 2G only device
Problem Details: When dealing with a device for 2GHz band only the wiphy->bands for 5GHz will be NULL. This would result in a NULL-deref in the brcmf_cfg80211_dump_survey() function. Rework the code with a for-loop to make it easier to add another band. Fixes: 6c04deae1438 ("brcmfmac: Add dump_survey cfg80211 ops for ...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 478ca3848c64..b115902eb475 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -7...
e5d1ab1a73ad275c0205cbc09a0a9f9f42bbb87f
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: avoid handling disabled channels for survey dump
Problem Details: An issue was reported in which periodically error messages are printed in the kernel log: [ 26.303445] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 26.303554] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,3-model-b-plus.b...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index bff3128c2f26..478ca3848c64 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -7...
b27401a30ee466c4476b035487be0580767ba1fb
Analyze and fix the following issue in the Linux kernel code: unix: Improve locking scheme in unix_show_fdinfo()
Problem Details: After switching to TCP_ESTABLISHED or TCP_LISTEN sk_state, alive SOCK_STREAM and SOCK_SEQPACKET sockets can't change it anymore (since commit 3ff8bff704f4 "unix: Fix race in SOCK_SEQPACKET's unix_dgram_sendmsg()"). Thus, we do not need to take lock here. Signed-off-by: Kirill Tkhai <tkhai@ya.ru> Revi...
```diff diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index f0c2293f1d3b..009616fa0256 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -807,23 +807,23 @@ static int unix_count_nr_fds(struct sock *sk) static void unix_show_fdinfo(struct seq_file *m, struct socket *sock) { struct sock *sk = sock->s...
a23924b7dd7b748fff8e305e1daf590fed2af21b
Analyze and fix the following issue in the Linux kernel code: ASoC: fsl_sai: initialize is_dsp_mode flag
Problem Details: Initialize is_dsp_mode flag in the beginning of function fsl_sai_set_dai_fmt_tr(). When the DAIFMT is DAIFMT_DSP_B the first time, is_dsp_mode is true, then the second time DAIFMT is DAIFMT_I2S, is_dsp_mode still true, which is a wrong state. So need to initialize is_dsp_mode flag every time. Fixes: ...
```diff diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 1c9be8a5dcb1..355ef29af48c 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -281,6 +281,7 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai, val_cr4 |= FSL_SAI_CR4_MF; sai->is_pdm_mode = false; + sai-...
e814b958ad8857d6f7354d3a189776eb604d86dd
Analyze and fix the following issue in the Linux kernel code: virtio-net: fix calculation of MTU for single-buffer xdp
Problem Details: When single-buffer xdp is loaded, the size of the buffer filled each time is 'sz = (PAGE_SIZE - headroom - tailroom)', which is the maximum packet length that the driver allows the device to pass in. Otherwise, the packet with a length greater than sz will come in, so num_buf will be greater than or eq...
```diff diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index a3271d2c7c02..81d92978cc92 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3081,7 +3081,9 @@ static int virtnet_restore_guest_offloads(struct virtnet_info *vi) static int virtnet_xdp_set(struct net_device *dev, stru...
903238a33c116edf5f64f7a3fd246e6169cccfa6
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/tsens: limit num_sensors to 9 for msm8939
Problem Details: On msm8939 last (hwid=10) sensor was added in the hw revision 3.0. Calibration data for it was placed outside of the main calibration data blob, so it is not accessible by the current blob-parsing code. Moreover data for the sensor's p2 is not contiguous in the fuses. This makes it hard to use nvmem_c...
```diff diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 6645c98ff56c..579028ea48f4 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -285,7 +285,7 @@ static int calibrate_8939(struct tsens_priv *priv) u32 p1[10], p2[10]; int mode = 0; ...
5aec3b035e0cbf3f042c2a03d654e5ad6748feb7
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/tsens: fix slope values for msm8939
Problem Details: According to the vendor kernels (msm-3.10, 3.14 and 3.18), msm8939 uses non-standard slope values for calibrating the sensors. Fill them accordingly. Fixes: 332bc8ebab2c ("thermal: qcom: tsens-v0_1: Add support for MSM8939") Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Cc: Shawn Guo <shawn.guo@li...
```diff diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 0bc4e5cec184..6645c98ff56c 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -534,6 +534,21 @@ static int calibrate_9607(struct tsens_priv *priv) return 0; } +static int __init i...
a7d3006be5ca7b04e4b84b5ceaae55a700e511bd
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/tsens: Sort out msm8976 vs msm8956 data
Problem Details: Tsens driver mentions that msm8976 data should be used for both msm8976 and msm8956 SoCs. This is not quite correct, as according to the vendor kernels, msm8976 should use standard slope values (3200), while msm8956 really uses the slope values found in the driver. Add separate compatibility string fo...
```diff diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index a7f53966156b..83c2853546d0 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -137,30 +137,6 @@ #define CAL_SEL_MASK 7 #define CAL_SEL_SHIFT 0 -static void compute_intercept_slope_8976(str...
3bf0ea99e2e32b0335106b86d84404cc85bcd113
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/tsens: Drop msm8976-specific defines
Problem Details: Drop msm8976-specific defines, which duplicate generic ones. Fixes: 0e580290170d ("thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976") Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Dmitr...
```diff diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index 96ef12d47bff..a7f53966156b 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -78,11 +78,6 @@ #define MSM8976_CAL_SEL_MASK 0x3 -#define MSM8976_CAL_DEGC_PT1 30 -#define MSM8976_CAL_DEGC_P...
6d5dad7b98cf0fa7f79fd5a565df6e6a51daf12b
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/rockchip: Fix kernel-doc warnings
Problem Details: Don't use "/**" to begin non-kernel-doc comments. Convert one function description to kernel-doc format. Prevents these kernel-doc warnings: drivers/thermal/rockchip_thermal.c:64: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * T...
```diff diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index 819e059cde71..e567d80a889b 100644 --- a/drivers/thermal/rockchip_thermal.c +++ b/drivers/thermal/rockchip_thermal.c @@ -60,7 +60,7 @@ enum adc_sort_mode { #include "thermal_hwmon.h" -/** +/* * The max sensors is tw...
3291651c0ac6bfc7b7333e5bee70470d5f192d5c
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/mtk_thermal: Fix kernel-doc function name
Problem Details: Use the correct function name in a kernel-doc comment to prevent a warning: drivers/thermal/mtk_thermal.c:562: warning: expecting prototype for raw_to_mcelsius(). Prototype was for raw_to_mcelsius_v1() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: "Rafael J. Wysocki" <rafael@kernel....
```diff diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 8440692e3890..0084b76493d9 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -550,7 +550,7 @@ static const struct mtk_thermal_data mt8183_thermal_data = { }; /** - * raw_to_mcelsius - convert a r...
cda0c2ea65a0ffbe75caae9acbf78b2bb825a6bd
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix RX delay for ethernet phy on rk3588s-rock5a
Problem Details: Add network PHY rx delay and change type to rgmii, so that it is applied. This fixes packet loss when more than a few packets are exchanged. Fixes: d1824cf95799 ("arm64: dts: rockchip: Add rock-5a board") Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com> Link: https://lore.kernel.org/r/20230113...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts index 6432b586bf5a..901825514f9d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts @@ -23,7 +23,7 @@ &gmac1 { clock_in_out = "out...
eff674a9b86a6ffdd10c3af3863545acf7f1ce4f
Analyze and fix the following issue in the Linux kernel code: coresight: cti: Add PM runtime call in enable_store
Problem Details: In commit 6746eae4bbad ("coresight: cti: Fix hang in cti_disable_hw()") PM runtime calls are removed from cti_enable_hw/cti_disable_hw. When enabling CTI by writing enable sysfs node, clock for accessing CTI register won't be enabled. Device will crash due to register access issue. Add PM runtime call ...
```diff diff --git a/drivers/hwtracing/coresight/coresight-cti-sysfs.c b/drivers/hwtracing/coresight/coresight-cti-sysfs.c index 6d59c815ecf5..71e7a8266bb3 100644 --- a/drivers/hwtracing/coresight/coresight-cti-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-cti-sysfs.c @@ -108,10 +108,19 @@ static ssize_t enable_s...
3244fb6dbbf1ffc114cdf382cc167bdd8c18088a
Analyze and fix the following issue in the Linux kernel code: coresight: cti: Prevent negative values of enable count
Problem Details: Writing 0 to the enable control repeatedly results in a negative value for enable_req_count. After this, writing 1 to the enable control appears to not work until the count returns to positive. Change it so that it's impossible for enable_req_count to be < 0. Return an error to indicate that the disab...
```diff diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c index d2cf4f4848e1..838872f2484d 100644 --- a/drivers/hwtracing/coresight/coresight-cti-core.c +++ b/drivers/hwtracing/coresight/coresight-cti-core.c @@ -151,9 +151,16 @@ static int cti_disable_hw(st...
589d928248b72f8377d45904a14bcf686aa8bbeb
Analyze and fix the following issue in the Linux kernel code: coresight: etm4x: Fix accesses to TRCSEQRSTEVR and TRCSEQSTR
Problem Details: The TRCSEQRSTEVR and TRCSEQSTR registers are not implemented if the TRCIDR5.NUMSEQSTATE == 0. Skip accessing the registers in such cases. Fixes: 2e1cdfe184b5 ("coresight-etm4x: Adding CoreSight ETM4x driver") Signed-off-by: Junhao He <hejunhao3@huawei.com> Reviewed-by: Mike Leach <mike.leach@linaro.or...
```diff diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 1cc052979e01..77bca6932f01 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -427,8 +427,10 @@ static int etm4_enab...
8e88a0feebb241cab0253698b2f7358b6ebec802
Analyze and fix the following issue in the Linux kernel code: gpio: mxc: Always set GPIOs used as interrupt source to INPUT mode
Problem Details: Always configure GPIO pins which are used as interrupt source as INPUTs. In case the default pin configuration is OUTPUT, or the prior stage does configure the pins as OUTPUT, then Linux will not reconfigure the pin as INPUT and no interrupts are received. Always configure the interrupt source GPIO pi...
```diff diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 2d9d498727f1..6f673b2f2a1b 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -223,7 +223,7 @@ static int gpio_set_irq_type(struct irq_data *d, u32 type) raw_spin_unlock_irqrestore(&port->gc.bgpio_lock, flags); - retur...
e5464277625c1aca5c002e0f470377cdd6816dcf
Analyze and fix the following issue in the Linux kernel code: gpio: mxc: Protect GPIO irqchip RMW with bgpio spinlock
Problem Details: The driver currently performs register read-modify-write without locking in its irqchip part, this could lead to a race condition when configuring interrupt mode setting. Add the missing bgpio spinlock lock/unlock around the register read-modify-write. Reviewed-by: Linus Walleij <linus.walleij@linaro....
```diff diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index d5626c572d24..2d9d498727f1 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/spinlock.h> #include <lin...
5657c116783545fb49cd7004994c187128552b12
Analyze and fix the following issue in the Linux kernel code: sched/core: Fix NULL pointer access fault in sched_setaffinity() with non-SMP configs
Problem Details: The kernel commit 9a5418bc48ba ("sched/core: Use kfree_rcu() in do_set_cpus_allowed()") introduces a bug for kernels built with non-SMP configs. Calling sched_setaffinity() on such a uniprocessor kernel will cause cpumask_copy() to be called with a NULL pointer leading to general protection fault. This...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index bb1ee6d7bdde..e838feb6adc5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8290,12 +8290,18 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask) if (retval) goto out_put_task; + /* + * With non-SMP configs, user_c...
67a90bccad3d20829bea35cb38ad744d9b6e30f4
Analyze and fix the following issue in the Linux kernel code: fbdev: fbmon: fix function name in kernel-doc
Problem Details: Fix a kernel-doc warning by correcting the function name in the kernel-doc comment: drivers/video/fbdev/core/fbmon.c:1073: warning: expecting prototype for fb_get_hblank_by_freq(). Prototype was for fb_get_hblank_by_hfreq() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Daniel Vetter...
```diff diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index b0e690f41025..79e5bfbdd34c 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -1050,7 +1050,7 @@ static u32 fb_get_vblank(u32 hfreq) } /** - * fb_get_hblank_by_freq - get horizontal bl...
2e3ee090cdb5d70185a45cd29a7997b123e24902
Analyze and fix the following issue in the Linux kernel code: soc: s3c: remove pm-debug hack
Problem Details: CONFIG_SAMSUNG_PM_DEBUG was only used on s3c24xx because of the DEBUG_S3C24XX_UART dependency. Since s3c24xx is now gone, and nobody ever noticed this option being missing from s3c64xx, it can be safely removed as well. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: A...
```diff diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig index b4f538d7412f..7a8f291e7704 100644 --- a/drivers/soc/samsung/Kconfig +++ b/drivers/soc/samsung/Kconfig @@ -52,29 +52,9 @@ config EXYNOS_PM_DOMAINS bool "Exynos PM domains" if COMPILE_TEST depends on (ARCH_EXYNOS && PM_GENERIC_DOMAIN...
216f764716f34fe68cedc7296ae2043a7727e640
Analyze and fix the following issue in the Linux kernel code: block, bfq: switch 'bfqg->ref' to use atomic refcount apis
Problem Details: The updating of 'bfqg->ref' should be protected by 'bfqd->lock', however, during code review, we found that bfq_pd_free() update 'bfqg->ref' without holding the lock, which is problematic: 1) bfq_pd_free() triggered by removing cgroup is called asynchronously; 2) bfqq will grab bfqg reference, and exi...
```diff diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 1b2829e99dad..7d9b15f0dbd5 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -316,14 +316,12 @@ struct bfq_group *bfqq_group(struct bfq_queue *bfqq) static void bfqg_get(struct bfq_group *bfqg) { - bfqg->ref++; + refcount_inc(&bfqg->ref); ...
6618d69aa129a8fc613e64775d5019524c6f231b
Analyze and fix the following issue in the Linux kernel code: rust: print: avoid evaluating arguments in `pr_*` macros in `unsafe` blocks
Problem Details: At the moment it is possible to perform unsafe operations in the arguments of `pr_*` macros since they are evaluated inside an `unsafe` block: let x = &10u32 as *const u32; pr_info!("{}", *x); In other words, this is a soundness issue. Fix it so that it requires an explicit `unsafe` block. ...
```diff diff --git a/rust/kernel/print.rs b/rust/kernel/print.rs index 29bf9c2e8aee..30103325696d 100644 --- a/rust/kernel/print.rs +++ b/rust/kernel/print.rs @@ -142,17 +142,24 @@ pub fn call_printk_cont(args: fmt::Arguments<'_>) { macro_rules! print_macro ( // The non-continuation cases (most of them, e.g. `INF...
a608da3bd730d718f2d3ebec1c26f9865f8f17ce
Analyze and fix the following issue in the Linux kernel code: zonefs: Detect append writes at invalid locations
Problem Details: Using REQ_OP_ZONE_APPEND operations for synchronous writes to sequential files succeeds regardless of the zone write pointer position, as long as the target zone is not full. This means that if an external (buggy) application writes to the zone of a sequential file underneath the file system, subsequen...
```diff diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 2c53fbb8d918..a9c5c3f720ad 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -442,6 +442,10 @@ static int zonefs_io_error_cb(struct blk_zone *zone, unsigned int idx, data_size = zonefs_check_zone_condition(inode, zone, false, false); ...
b839212988575c701aab4d3d9ca15e44c87e383c
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Silence memcpy() run-time false positive warnings
Problem Details: The memcpy() in uvc_video_decode_meta() intentionally copies across the length and flags members and into the trailing buf flexible array. Split the copy so that the compiler can better reason about (the lack of) buffer overflows here. Avoid the run-time false positive warning: memcpy: detected fiel...
```diff diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 98d34d20afe3..d4b023d4de7c 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1356,7 +1356,9 @@ static void uvc_video_decode_meta(struct uvc_streaming *stream, if (has_scr) memcp...
619d9b710cf06f7a00a17120ca92333684ac45a8
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix race condition with usb_kill_urb
Problem Details: usb_kill_urb warranties that all the handlers are finished when it returns, but does not protect against threads that might be handling asynchronously the urb. For UVC, the function uvc_ctrl_status_event_async() takes care of control changes asynchronously. If the code is executed in the following or...
```diff diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index ee58f0db2763..c3aeba3fe31b 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -6,6 +6,7 @@ * Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ +#include <asm/barrier.h...
a7c28150af42798263a30bedbe46f201b46fb486
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix power line control for Lenovo Integrated Camera
Problem Details: The device does not implement the power line frequenyc control correctly. It is a UVC 1.5 device, but implements the control as a UVC 1.1 device. Add the corresponding control mapping override. Bus 003 Device 002: ID 30c9:0093 Lenovo Integrated Camera Device Descriptor: bLength 18 ...
```diff diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index c15c38427cc3..6354efffe9b0 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -736,7 +736,7 @@ const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited = { V4L2_CID_POWE...
3aa8628eb78a63d0bf93e159846e9c92bccc8f69
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Refactor power_line_frequency_controls_limited
Problem Details: Move the control mapping to uvc_ctrl.c. This way we do not have references to UVC controls or V4L2 controls in uvc_driver.c. This also fixes a bug introduced in commit 382075604a68 ("media: uvcvideo: Limit power line control for Quanta UVC Webcam"). The offending commit caused the power line control m...
```diff diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index af765d4cae90..c15c38427cc3 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -723,6 +723,19 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = { }, }; +const struct uvc...
7faf8ae4277156da32eada72c07f5edeb82cd9e4
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix handling on Bitmask controls
Problem Details: Minimum and step values for V4L2_CTRL_TYPE_BITMASK controls should be 0. There is no need to query the camera firmware about this and maybe get invalid results. Also value should be masked to the max value advertised by the hardware. Finally, handle UVC 1.5 mask controls that use MAX instead of RES t...
```diff diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 6f5aaaf09ee0..65d41946ef1a 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1161,6 +1161,25 @@ static const char *uvc_map_get_name(const struct uvc_control_mapping *map) return "Unkno...
9f582f0418ed1c18f92c9e4628075d6ec9a7d9fb
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Check for INACTIVE in uvc_ctrl_is_accessible()
Problem Details: Check for inactive controls in uvc_ctrl_is_accessible(). Use the new value for the master_id controls if present, otherwise use the existing value to determine if it is OK to set the control. Doing this here avoids attempting to set an inactive control, which will return an error from the USB device, ...
```diff diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index c95a2229f4fa..6f5aaaf09ee0 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1085,11 +1085,28 @@ static int uvc_query_v4l2_class(struct uvc_video_chain *chain, u32 req_id, return 0; }...
0ce75d5ecd9edaa027c0c2a7df0edcdf59ea7738
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix usage of symbolic permissions to octal
Problem Details: Change symbolic permissions to octal equivalents as recommended by scripts/checkpatch.pl on drivers/media/usb/uvc/uvc_driver.c. Signed-off-by: Pedro Guilherme Siqueira Moreira <pedro.guilherme@espectro.eng.br> Reviewed-by: Ricardo Ribalda <ribalda@chromium.org> Reviewed-by: Laurent Pinchart <laurent.p...
```diff diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index d84e46fdb1b9..4f59583bf516 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -2329,17 +2329,17 @@ static int uvc_clock_param_set(const char *val, const struct kernel_param *kp) }...
7b78a8464d5701796a4e146b3973422350e56977
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix assignment inside if condition
Problem Details: Fixes 'do not use assignment in if condition' errors issued by scripts/checkpatch.pl on drivers/media/usb/uvc/uvc_driver.c Signed-off-by: Pedro Guilherme Siqueira Moreira <pedro.guilherme@espectro.eng.br> Reviewed-by: Ricardo Ribalda <ribalda@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pincha...
```diff diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 8f649fa9ab22..d84e46fdb1b9 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1144,7 +1144,8 @@ static int uvc_parse_control(struct uvc_device *dev) buffer[1] != USB_DT_CS_...
2a8c1952ed4bc85f64174def8c00c71c264dc3a2
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix missing newline after declarations
Problem Details: Fixes 'Missing a blank line after declarations' warning issued by scripts/checkpatch.pl on drivers/media/usb/uvc/uvc_driver.c Signed-off-by: Pedro Guilherme Siqueira Moreira <pedro.guilherme@espectro.eng.br> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinch...
```diff diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 4c372965517d..8f649fa9ab22 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -712,6 +712,7 @@ static int uvc_parse_streaming(struct uvc_device *dev, /* Parse the alternate setti...
41ddb251c68ac75c101d3a50a68c4629c9055e4c
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Handle cameras with invalid descriptors
Problem Details: If the source entity does not contain any pads, do not create a link. Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard....
```diff diff --git a/drivers/media/usb/uvc/uvc_entity.c b/drivers/media/usb/uvc/uvc_entity.c index 7c4d2f93d351..cc68dd24eb42 100644 --- a/drivers/media/usb/uvc/uvc_entity.c +++ b/drivers/media/usb/uvc/uvc_entity.c @@ -37,7 +37,7 @@ static int uvc_mc_create_links(struct uvc_video_chain *chain, continue; remote...
50459f103edfe47c9a599d766a850ef6014936c5
Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Remove format descriptions
Problem Details: The V4L2 core overwrites format descriptions in v4l_fill_fmtdesc(), there's no need to manually set the descriptions in the driver. This prepares for removal of the format descriptions from the uvc_fmts table. Unlike V4L2, UVC makes a distinction between the SD-DV, SDL-DV and HD-DV formats. It also in...
```diff diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index e4bcb5011360..0a35d7c0d0a0 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -251,14 +251,10 @@ static int uvc_parse_format(struct uvc_device *dev, fmtdesc = uvc_format_by_guid...
e04946f54cd99fa1bd92e22f4540720d76d88058
Analyze and fix the following issue in the Linux kernel code: samples/bpf: change _kern suffix to .bpf with BPF test programs
Problem Details: This commit changes the _kern suffix to .bpf with the BPF test programs. With this modification, test programs will inherit the benefit of the new CLANG-BPF compile target. Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Link: https://lore.kernel.org/r/20230115071613.125791-11-danieltimlee@gmail...
```diff diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 22039a0a5b35..615f24ebc49c 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -131,7 +131,7 @@ always-y += tracex4_kern.o always-y += tracex5_kern.o always-y += tracex6_kern.o always-y += tracex7_kern.o -always-y += sock_flags_kern.o...