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700fe6fd093d08c6da2bda8efe00479b0e617327
Analyze and fix the following issue in the Linux kernel code: ALSA: seq: Fix yet another spot for system message conversion
Problem Details: We fixed the incorrect UMP type for system messages in the recent commit, but it missed one place in system_ev_to_ump_midi1(). Fix it now. Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events") Fixes: c2bb79613fed ("ALSA: seq: Fix incorrect UMP type for system messages") Link: https://l...
```diff diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c index add70b4c2885..f0f332017e66 100644 --- a/sound/core/seq/seq_ump_convert.c +++ b/sound/core/seq/seq_ump_convert.c @@ -729,6 +729,7 @@ static int system_ev_to_ump_midi1(const struct snd_seq_event *event, union snd_ump_mid...
b3dc6e8003b500861fa307e9a3400c52e78e4d3a
Analyze and fix the following issue in the Linux kernel code: ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound
Problem Details: Raw packet from PF_PACKET socket ontop of an IPv6-backed ipvlan device will hit WARN_ON_ONCE() in sk_mc_loop() through sch_direct_xmit() path. WARNING: CPU: 2 PID: 0 at net/core/sock.c:775 sk_mc_loop+0x2d/0x70 Modules linked in: sch_netem ipvlan rfkill cirrus drm_shmem_helper sg drm_kms_helper CPU: 2 ...
```diff diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 2d5b021b4ea6..fef4eff7753a 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -439,7 +439,7 @@ static noinline_for_stack int ipvlan_process_v4_outbound(struct sk_buff *skb) memset(IPCB...
35d848e7a1cbba2649ed98cf58e0cdc7ee560c7a
Analyze and fix the following issue in the Linux kernel code: gpiolib: cdev: Add INIT_KFIFO() for linereq events
Problem Details: The initialisation of the linereq events kfifo relies on the struct being zeroed and a subsequent call to kfifo_alloc(). The call to kfifo_alloc() is deferred until edge detection is first enabled for the linereq. If the kfifo is inadvertently accessed before the call to kfifo_alloc(), as was the cas...
```diff diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 9dad67ea2597..d4e47960cc98 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -1774,6 +1774,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip) mutex_init(&lr->config_mutex); init_...
9a73e037f4b5eb45c9ecccb191d39c280abe7cbd
Analyze and fix the following issue in the Linux kernel code: gpio: rdc321x: Convert PCIBIOS_* return codes to errnos
Problem Details: rdc_gpio_config() uses pci_{read,write}_config_dword() that return PCIBIOS_* codes. rdc_gpio_config() is used for direction_{input,output}() in the struct gpio_chip which both require normal errnos to be returned. Similarly, rdc321x_gpio_probe() that is probe function returns PCIBIOS_* codes without c...
```diff diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c index 01ed2517e9fd..ec7fb9220a47 100644 --- a/drivers/gpio/gpio-rdc321x.c +++ b/drivers/gpio/gpio-rdc321x.c @@ -102,7 +102,7 @@ static int rdc_gpio_config(struct gpio_chip *chip, unlock: spin_unlock(&gpch->lock); - return err; + return ...
45fe957ae769b9122f4a40f2528c516132fe7e3d
Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Add compare config for MTL+ platforms
Problem Details: Currently, we may bump into pll mismatch errors during the state verification stage. This happens when we try to use fastset instead of full modeset. Hence, we would need to add a check for pipe configuration to ensure that the sw and the hw configuration will match. In case of hw and sw mismatch, we w...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index c9e5bb6ecfd7..41f684c970dc 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2038,6 +2038,7 @@ static int intel_c10pll_calc_state(struct i...
ed8c7fbdfe117abbef81f65428ba263118ef298a
Analyze and fix the following issue in the Linux kernel code: fs/file: fix the check in find_next_fd()
Problem Details: The maximum possible return value of find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) is maxbit. This return value, multiplied by BITS_PER_LONG, gives the value of bitbit, which can never be greater than maxfd, it can only be equal to maxfd at most, so the following check 'if (bitbit > maxfd)' wi...
```diff diff --git a/fs/file.c b/fs/file.c index 8076aef9c210..a3b72aa64f11 100644 --- a/fs/file.c +++ b/fs/file.c @@ -486,12 +486,12 @@ struct files_struct init_files = { static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start) { - unsigned int maxfd = fdt->max_fds; + unsigned int maxfd = fdt->max...
264eecdba211bbeb8c0ed313ffe03e9dd1e20262
Analyze and fix the following issue in the Linux kernel code: drm/xe: Decouple xe_exec_queue and xe_lrc
Problem Details: Decouple xe_lrc from xe_exec_queue and reference count xe_lrc. Removing hard coupling between xe_exec_queue and xe_lrc allows flexible design where the user interface xe_exec_queue can be destroyed independent of the hardware/firmware interface xe_lrc. v2: Fix lrc indexing in wq_item_append() Signed-...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index a2daae10ccc6..27215075c799 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -86,7 +86,7 @@ static struct xe_exec_queue *__xe_exec_queue_alloc(struct xe_device *xe, if (extens...
b21faf0edefc26df604fb783c53992e61503df33
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: rtl8192d: Use "rtl92d" prefix
Problem Details: Some functions moved from rtl8192de still use the "rtl92de" prefix. Rename them. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Link: https://msgid.link/abe3624d-f986-4a24-966c-67defa962e3f@gmail.com
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192d/hw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/hw_common.c index 6570d5e168e9..97e0d9c01e0a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192d/hw_common.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192d/hw_common.c @@ -14,7 +14,...
2dc8b1e7177d4f49f492ce648440caf2de0c3616
Analyze and fix the following issue in the Linux kernel code: net: ena: Fix redundant device NUMA node override
Problem Details: The driver overrides the NUMA node id of the device regardless of whether it knows its correct value (often setting it to -1 even though the node id is advertised in 'struct device'). This can lead to suboptimal configurations. This patch fixes this behavior and makes the shared memory allocation func...
```diff diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index 2d8a66ea82fa..713a595370bf 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -312,7 +312,6 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev...
a51c9b1c9ab2351e62933357fcad5bfad27f2400
Analyze and fix the following issue in the Linux kernel code: ice: check for unregistering correct number of devlink params
Problem Details: On module load, the ice driver checks for the lack of a specific PF capability to determine if it should reduce the number of devlink params to register. One situation when this test returns true is when the driver loads in safe mode. The same check is not present on the unload path when devlink para...
```diff diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c index c4b69655cdf5..704e9ad5144e 100644 --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c @@ -1388,7 +1388,7 @@ enum ice_param_id { ICE_D...
2a6d8f2de2224ac46df94dc40f43f8b9701f6703
Analyze and fix the following issue in the Linux kernel code: ice: fix 200G PHY types to link speed mapping
Problem Details: Commit 24407a01e57c ("ice: Add 200G speed/phy type use") added support for 200G PHY speeds, but did not include the mapping of 200G PHY types to link speed. As a result the driver is returning UNKNOWN link speed when setting 200G ethtool advertised link modes. To fix this add 200G PHY types to link sp...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index 5649b257e631..24716a3b494c 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -3148,6 +3148,16 @@ ice_get_link_speed_based_on_phy_type(u64 phy_t...
c80b6538d35a7a60d874c5a76c3c5a82b6a28fbb
Analyze and fix the following issue in the Linux kernel code: i40e: Fully suspend and resume IO operations in EEH case
Problem Details: When EEH events occurs, the callback functions in the i40e, which are managed by the EEH driver, will completely suspend and resume all IO operations. - In the PCI error detected callback, replaced i40e_prep_for_reset() with i40e_io_suspend(). The change is to fully suspend all I/O operations - In...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index d5f25ea304bf..284c3fad5a6e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11171,6 +11171,8 @@ static void i40e_reset_and_rebuild(struct i40...
218ed820d364ddc2b0150951e6b1a1bd1e49469d
Analyze and fix the following issue in the Linux kernel code: i40e: factoring out i40e_suspend/i40e_resume
Problem Details: Two new functions, i40e_io_suspend() and i40e_io_resume(), have been introduced. These functions were factored out from the existing i40e_suspend() and i40e_resume() respectively. This factoring was done due to concerns about the logic of the I40E_SUSPENSED state, which caused the device to be unable...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 1f188c052828..d5f25ea304bf 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -16334,6 +16334,139 @@ unmap: pci_disable_device(pdev); } +/*...
bfd546a552e140b0a4c8a21527c39d6d21addb28
Analyze and fix the following issue in the Linux kernel code: e1000e: move force SMBUS near the end of enable_ulp function
Problem Details: The commit 861e8086029e ("e1000e: move force SMBUS from enable ulp function to avoid PHY loss issue") introduces a regression on PCH_MTP_I219_LM18 (PCIID: 0x8086550A). Without the referred commit, the ethernet works well after suspend and resume, but after applying the commit, the ethernet couldn't wor...
```diff diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index f9e94be36e97..2e98a2a0bead 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1225,6 +1225,28 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *h...
278d65ccdadb5f0fa0ceaf7b9cc97b305cd72822
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: fix RGMII error in KSZ DSA driver
Problem Details: The driver should return RMII interface when XMII is running in RMII mode. Fixes: 0ab7f6bf1675 ("net: dsa: microchip: ksz9477: use common xmii function") Signed-off-by: Tristram Ha <tristram.ha@microchip.com> Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com> Acked-by: Jerry Ray <jerry.ray@microchi...
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 1e0085cd9a9a..2818e24e2a51 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -3142,7 +3142,7 @@ phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool...
b8c8abefc07b47f0dc9342530b7618237df96724
Analyze and fix the following issue in the Linux kernel code: ipv4: correctly iterate over the target netns in inet_dump_ifaddr()
Problem Details: A recent change to inet_dump_ifaddr had the function incorrectly iterate over net rather than tgt_net, resulting in the data coming for the incorrect network namespace. Fixes: cdb2f80f1c10 ("inet: use xa_array iterator to implement inet_dump_ifaddr()") Reported-by: Stéphane Graber <stgraber@stgraber.o...
```diff diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index e827da128c5f..f3892ee9dfb3 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1903,7 +1903,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) cb->seq = inet_base_seq(tgt_net); - for_each_netdev_dump(net, d...
9104feed4c6454b9a720e7e11047be7e5cd83487
Analyze and fix the following issue in the Linux kernel code: doc: netlink: Fix op pre and post fields in generated .rst
Problem Details: The generated .rst has pre and post headings without any values, e.g. here: https://docs.kernel.org/6.9/networking/netlink_spec/dpll.html#device-id-get Emit keys and values in the generated .rst Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240528140652.944...
```diff diff --git a/tools/net/ynl/ynl-gen-rst.py b/tools/net/ynl/ynl-gen-rst.py index a957725b20dc..6c56d0d726b4 100755 --- a/tools/net/ynl/ynl-gen-rst.py +++ b/tools/net/ynl/ynl-gen-rst.py @@ -156,7 +156,10 @@ def parse_do(do_dict: Dict[str, Any], level: int = 0) -> str: lines = [] for key in do_dict.keys()...
cb7351ac17862cf8d4e00831ce4aa27f53bda01c
Analyze and fix the following issue in the Linux kernel code: doc: netlink: Fix formatting of op flags in generated .rst
Problem Details: Generate op flags as an inline list instead of a stringified python value. Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240528140652.9445-4-donald.hunter@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/tools/net/ynl/ynl-gen-rst.py b/tools/net/ynl/ynl-gen-rst.py index 1096a71d7867..a957725b20dc 100755 --- a/tools/net/ynl/ynl-gen-rst.py +++ b/tools/net/ynl/ynl-gen-rst.py @@ -172,7 +172,7 @@ def parse_do_attributes(attrs: Dict[str, Any], level: int = 0) -> str: def parse_operations(operations: Li...
ebf9004136c76b7b62fe628a4bc88b3e894b4b95
Analyze and fix the following issue in the Linux kernel code: doc: netlink: Don't 'sanitize' op docstrings in generated .rst
Problem Details: The doc strings for do/dump ops are emitted as toplevel .rst constructs so they can be multi-line. Pass multi-line text straight through to the .rst to retain any simple formatting from the .yaml This fixes e.g. list formatting for the pin-get docs in dpll.yaml: https://docs.kernel.org/6.9/networking...
```diff diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml index 95b0eb1486bf..94132d30e0e0 100644 --- a/Documentation/netlink/specs/dpll.yaml +++ b/Documentation/netlink/specs/dpll.yaml @@ -479,6 +479,7 @@ operations: name: pin-get doc: | Get list of pins ...
c697f515b6390b17e4a54a6f93aedf27133929c5
Analyze and fix the following issue in the Linux kernel code: doc: netlink: Fix generated .rst for multi-line docs
Problem Details: Fix the newline replacement in ynl-gen-rst.py to put spaces between concatenated lines. This fixes the broken doc string formatting. See the dpll docs for an example of broken concatenation: https://docs.kernel.org/6.9/networking/netlink_spec/dpll.html#lock-status Signed-off-by: Donald Hunter <donal...
```diff diff --git a/tools/net/ynl/ynl-gen-rst.py b/tools/net/ynl/ynl-gen-rst.py index 657e881d2ea4..5c7465d6befa 100755 --- a/tools/net/ynl/ynl-gen-rst.py +++ b/tools/net/ynl/ynl-gen-rst.py @@ -49,7 +49,7 @@ def inline(text: str) -> str: def sanitize(text: str) -> str: """Remove newlines and multiple spaces""" ...
92f1655aa2b2294d0b49925f3b875a634bd3b59e
Analyze and fix the following issue in the Linux kernel code: net: fix __dst_negative_advice() race
Problem Details: __dst_negative_advice() does not enforce proper RCU rules when sk->dst_cache must be cleared, leading to possible UAF. RCU rules are that we must first clear sk->sk_dst_cache, then call dst_release(old_dst). Note that sk_dst_reset(sk) is implementing this protocol correctly, while __dst_negative_advi...
```diff diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h index 6d1c8541183d..3a9001a042a5 100644 --- a/include/net/dst_ops.h +++ b/include/net/dst_ops.h @@ -24,7 +24,7 @@ struct dst_ops { void (*destroy)(struct dst_entry *); void (*ifdown)(struct dst_entry *, struct net_device *dev); - struct ...
fde6f897f2a184546bf5516ac736523ef24dc6a7
Analyze and fix the following issue in the Linux kernel code: tcp: fix races in tcp_v[46]_err()
Problem Details: These functions have races when they: 1) Write sk->sk_err 2) call sk_error_report(sk) 3) call tcp_done(sk) As described in prior patches in this series: An smp_wmb() is missing. We should call tcp_done() before sk_error_report(sk) to have consistent tcp_poll() results on SMP hosts. Use tcp_done_wit...
```diff diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8f70b8d1d1e5..041c7eda9abe 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -611,15 +611,10 @@ int tcp_v4_err(struct sk_buff *skb, u32 info) ip_icmp_error(sk, skb, err, th->dest, info, (u8 *)th); - if (!sock_owned_by_user(sk)) { -...
5ce4645c23cf5f048eb8e9ce49e514bababdee85
Analyze and fix the following issue in the Linux kernel code: tcp: fix races in tcp_abort()
Problem Details: tcp_abort() has the same issue than the one fixed in the prior patch in tcp_write_err(). In order to get consistent results from tcp_poll(), we must call sk_error_report() after tcp_done(). We can use tcp_done_with_error() to centralize this logic. Fixes: c1e64e298b8c ("net: diag: Support destroying...
```diff diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 2a8f8d8676ff..5fa68e7f6ddb 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -4576,14 +4576,10 @@ int tcp_abort(struct sock *sk, int err) bh_lock_sock(sk); if (!sock_flag(sk, SOCK_DEAD)) { - WRITE_ONCE(sk->sk_err, err); - /* This barrier is coupled wi...
853c3bd7b7917670224c9fe5245bd045cac411dd
Analyze and fix the following issue in the Linux kernel code: tcp: fix race in tcp_write_err()
Problem Details: I noticed flakes in a packetdrill test, expecting an epoll_wait() to return EPOLLERR | EPOLLHUP on a failed connect() attempt, after multiple SYN retransmits. It sometimes return EPOLLERR only. The issue is that tcp_write_err(): 1) writes an error in sk->sk_err, 2) calls sk_error_report(), 3) then ...
```diff diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 83fe7f62f7f1..3e8604ae7d06 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -74,11 +74,7 @@ u32 tcp_clamp_probe0_to_user_timeout(const struct sock *sk, u32 when) static void tcp_write_err(struct sock *sk) { - WRITE_ONCE(sk->sk_err...
5e514f1cba090e1c8fff03e92a175eccfe46305f
Analyze and fix the following issue in the Linux kernel code: tcp: add tcp_done_with_error() helper
Problem Details: tcp_reset() ends with a sequence that is carefuly ordered. We need to fix [e]poll bugs in the following patches, it makes sense to use a common helper. Suggested-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> L...
```diff diff --git a/include/net/tcp.h b/include/net/tcp.h index 060e95b331a2..32815a40dea1 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -677,6 +677,7 @@ void tcp_skb_collapse_tstamp(struct sk_buff *skb, /* tcp_input.c */ void tcp_rearm_rto(struct sock *sk); void tcp_synack_rtt_meas(struct sock *sk, str...
544a74c32bcc2eff5f93b9f638f687170e7274e9
Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: rockchip-dwmac: Fix rockchip,rk3308-gmac compatible
Problem Details: Schema validation using rockchip,rk3308-gmac compatible fails with: ethernet@ff4e0000: compatible: ['rockchip,rk3308-gmac'] does not contain items matching the given schema from schema $id: http://devicetree.org/schemas/net/rockchip-dwmac.yaml# ethernet@ff4e0000: Unevaluated properties are...
```diff diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 21cc27e75f50..3bab4e1f3fbf 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -76,6 +76,7 @@ properties:...
6ba7acdb93b4ecb554d5838fca3f5f0fcf9fff14
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add selftest for bits iter
Problem Details: Add test cases for the bits iter: - Positive cases - Bit mask representing a single word (8-byte unit) - Bit mask representing data spanning more than one word - The index of the set bit - Nagative cases - bpf_iter_bits_destroy() is required after calling bpf_iter_bits_new() - bpf_iter_...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index c60db8beeb73..8743340b5bf6 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -85,6 +85,7 @@ #include "verifier_xadd.sk...
a94ff8e50c20bde6d50864849a98b106e45d30c6
Analyze and fix the following issue in the Linux kernel code: hwmon: (ltc2992) Fix memory leak in ltc2992_parse_dt()
Problem Details: A new error path was added to the fwnode_for_each_available_node() loop in ltc2992_parse_dt(), which leads to an early return that requires a call to fwnode_handle_put() to avoid a memory leak in that case. Add the missing fwnode_handle_put() in the error path from a zero value shunt resistor. Cc: st...
```diff diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c index 229aed15d5ca..d4a93223cd3b 100644 --- a/drivers/hwmon/ltc2992.c +++ b/drivers/hwmon/ltc2992.c @@ -876,9 +876,11 @@ static int ltc2992_parse_dt(struct ltc2992_state *st) ret = fwnode_property_read_u32(child, "shunt-resistor-micro-ohms", &v...
b9c15c96ccb47ad860af2e075c5f3c90c4cd1730
Analyze and fix the following issue in the Linux kernel code: hwmon: corsair-psu: add USB id of HX1200i Series 2023 psu
Problem Details: Add the usb id of the HX1200i Series 2023. Update the documentation accordingly. Also fix the version comments, there are no Series 2022 products. That are legacy or first version products going back many many years. Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net> Link: https://lore.kernel...
```diff diff --git a/Documentation/hwmon/corsair-psu.rst b/Documentation/hwmon/corsair-psu.rst index 16db34d464dd..7ed794087f84 100644 --- a/Documentation/hwmon/corsair-psu.rst +++ b/Documentation/hwmon/corsair-psu.rst @@ -15,11 +15,11 @@ Supported devices: Corsair HX850i - Corsair HX1000i (Series 2022 and 2023...
dd2b75fd9a79bf418e088656822af06fc253dbe3
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amdkfd: fix gfx_target_version for certain 11.0.3 devices"
Problem Details: This reverts commit 28ebbb4981cb1fad12e0b1227dbecc88810b1ee8. Revert this commit as apparently the LLVM code to take advantage of this never landed. Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Feifei Xu <feifei.xu@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 9596bca57212..afc57df421cd 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -408,15 +408,8 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool v...
a0cf36546cc24ae1c95d72253c7795d4d2fc77aa
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix dereference null return value for the function amdgpu_vm_pt_parent
Problem Details: The pointer parent may be NULLed by the function amdgpu_vm_pt_parent. To make the code more robust, check the pointer parent. Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Suggested-by: Christian König <christian.koenig@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index 7fdd306a48a0..f07647a9a9d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -706,11 +706,15 @@ int amdgpu_vm_pde_update(struct amdgpu_vm_update_params...
ba46b3bda296c4f82b061ac40b90f49d2a00a380
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Adjust logic in amdgpu_device_partner_bandwidth()
Problem Details: Use current speed/width on devices which don't support dynamic PCIe switching. Fixes: 466a7d115326 ("drm/amd: Use the first non-dGPU PCI device for BW limits") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3289 Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 861ccff78af9..932dc93b2e63 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5944,13 +5944,18 @@ static void amdgpu_device_partner_bandwidth(struc...
7b038b564b3e2a752d2211e7b0c3c29fd2f6e197
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix failure to return error on misaligned dio write
Problem Details: This was reported as an error when running coreutils shred. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c index 09d21aef879a..049b61bc9a5b 100644 --- a/fs/bcachefs/fs-io-direct.c +++ b/fs/bcachefs/fs-io-direct.c @@ -609,8 +609,10 @@ ssize_t bch2_direct_write(struct kiocb *req, struct iov_iter *iter) if (unlikely(ret)) goto err_put_write_ref; ...
123b158635505c89ed0d3ef45c5845ff9030a466
Analyze and fix the following issue in the Linux kernel code: EDAC, i10nm: make skx_common.o a separate module
Problem Details: Commit 598afa050403 ("kbuild: warn objects shared among multiple modules") was added to track down cases where the same object is linked into multiple modules. This can cause serious problems if some modules are builtin while others are not. That test triggers this warning: scripts/Makefile.build:236...
```diff diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index 9c09893695b7..4edfb83ffbee 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -54,11 +54,13 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac_mod.o layerscape_edac_mod-y := fsl_ddr_edac.o layerscape_edac.o obj-$(CONFIG_EDAC_LAYERSC...
568b13b65078e2b557ccf47674a354cecd1db641
Analyze and fix the following issue in the Linux kernel code: remoteproc: qcom_q6v5_pas: Add hwspinlock bust on stop
Problem Details: When remoteproc goes down unexpectedly this results in a state where any acquired hwspinlocks will remain locked possibly resulting in deadlock. In order to ensure all locks are freed we include a call to qcom_smem_bust_hwspin_lock_by_host() during remoteproc shutdown. For qcom_q6v5_pas remoteprocs, e...
```diff diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 54d8005d40a3..8458bcfe9e19 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -52,6 +52,7 @@ struct adsp_data { const char *ssr_name; const char *sysmon_name; int ssctl_id; +...
7c327d56597d8de1680cf24e956b704270d3d84a
Analyze and fix the following issue in the Linux kernel code: hwspinlock: Introduce hwspin_lock_bust()
Problem Details: When a remoteproc crashes or goes down unexpectedly this can result in a state where locks held by the remoteproc will remain locked possibly resulting in deadlock. This new API hwspin_lock_bust() allows hwspinlock implementers to define a bust operation for freeing previously acquired hwspinlocks afte...
```diff diff --git a/Documentation/locking/hwspinlock.rst b/Documentation/locking/hwspinlock.rst index 6f03713b7003..2ffaa3cbd63f 100644 --- a/Documentation/locking/hwspinlock.rst +++ b/Documentation/locking/hwspinlock.rst @@ -85,6 +85,17 @@ is already free). Should be called from a process context (might sleep). ...
2607133196c35f31892ee199ce7ffa717bea4ad1
Analyze and fix the following issue in the Linux kernel code: clk: sifive: Do not register clkdevs for PRCI clocks
Problem Details: These clkdevs were unnecessary, because systems using this driver always look up clocks using the devicetree. And as Russell King points out[1], since the provided device name was truncated, lookups via clkdev would never match. Recently, commit 8d532528ff6a ("clkdev: report over-sized strings when cr...
```diff diff --git a/drivers/clk/sifive/sifive-prci.c b/drivers/clk/sifive/sifive-prci.c index 25b8e1a80ddc..b32a59fe55e7 100644 --- a/drivers/clk/sifive/sifive-prci.c +++ b/drivers/clk/sifive/sifive-prci.c @@ -4,7 +4,6 @@ * Copyright (C) 2020 Zong Li */ -#include <linux/clkdev.h> #include <linux/delay.h> #incl...
f8718c482572181ca364ffca3c27365cc83cfe9e
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Move 'struct scaler_data' off stack
Problem Details: The scaler_data structure is implicitly copied onto the stack twice by being returned from a function. This is usually a bad idea, but it was not flagged by the compiler until a recent addition that pushed it over the 1024 byte function stack limit: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_t...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index 705985d3f407..c04ebf5434c9 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper...
669d6b078ed8991266da4c68c46ce7d2e942c474
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: avoid large on-stack structures
Problem Details: Putting excessively large objects on a function stack causes a warning about possibly overflowing the 8KiB of kernel stack: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn401/dcn401_resource.c: In function 'dcn401_update_bw_bounding_box': drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn401/...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 70928223b642..8ea9391c60b7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -193,7 +193,11 @@ static void init_state(struct dc *dc...
6d438caaeaa1a7fae7b523e7bc4cee262b9f101a
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix graphics_object_id size
Problem Details: The graphics_object_id structure is meant to fit into 32 bits, as it's passed by value in and out of functions. A recent change increased the size to 128 bits, so it's now always passed by reference, which is clearly not intended and ends up producing a compile-time warning: drivers/gpu/drm/amd/amdgpu...
```diff diff --git a/drivers/gpu/drm/amd/display/include/grph_object_id.h b/drivers/gpu/drm/amd/display/include/grph_object_id.h index 08ee0350b31f..54e33062b3c0 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_id.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_id.h @@ -226,8 +226,8 @@ enum dp_alt_m...
88c61827cedc14cd305d4266dc18ff0fdb3f8d4c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: dynamically allocate dml2_configuration_options structures
Problem Details: This structure is too large to fit on a stack, as shown by the newly introduced warnings from a recent code change: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn32/dcn32_resource.c: In function 'dcn32_update_bw_bounding_box': drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn32/dcn32_resour...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c index 022d320be1d5..0f11d7c8791c 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_reso...
3027ce13e04eee76539ca65c2cb1028a01c8c508
Analyze and fix the following issue in the Linux kernel code: drivers/gpu: Fix misalignment in comment block
Problem Details: This patch fixes a warning from checkpatch by ensuring the trailing */ is aligned with the rest of the *, improving readability. Co-developed-by: Lucas Antonio <lucasantonio.santos@usp.br> Signed-off-by: Lucas Antonio <lucasantonio.santos@usp.br> Signed-off-by: Bruno Rocha Levi <brunolevilevi@usp.br> ...
```diff diff --git a/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h b/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h index feab8eb7f2a8..b26710cae801 100644 --- a/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h +++ b/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h @@ -19,7 +19,7 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH ...
ff4e49f446ed24772182c724e0ef1a5be23c622a
Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix shutdown (again) on some SMU v13.0.4/11 platforms
Problem Details: commit cd94d1b182d2 ("dm/amd/pm: Fix problems with reboot/shutdown for some SMU 13.0.4/13.0.11 users") attempted to fix shutdown issues that were reported since commit 31729e8c21ec ("drm/amd/pm: fixes a random hang in S4 for SMU v13.0.4/11") but caused issues for some people. Adjust the workaround flo...
```diff diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c index dfc76f6b468f..b081ae3e8f43 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c @@ -226,15 +226,17 @@ static int ...
e864180ee49b4d30e640fd1e1d852b86411420c9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Add lock around VF RLCG interface
Problem Details: flush_gpu_tlb may be called from another thread while device_gpu_recover is running. Both of these threads access registers through the VF RLCG interface during VF Full Access. Add a lock around this interface to prevent race conditions between these threads. Signed-off-by: Victor Skvortsov <victor.s...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index f5168b4c3b03..6711836054f9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4049,6 +4049,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, ...
d4ab6c409b16954d977959e1b9848910f58f32bc
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amdkfd: fix gfx_target_version for certain 11.0.3 devices"
Problem Details: This reverts commit 28ebbb4981cb1fad12e0b1227dbecc88810b1ee8. Revert this commit as apparently the LLVM code to take advantage of this never landed. Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Feifei Xu <feifei.xu@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 6b15e55811b6..fba9b9a258a5 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -426,15 +426,8 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool v...
00ee2e58c144f425345be65ce71f3b37119a673b
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix null pointer dereference for dcn401
Problem Details: When ODM slice happens on DCN401, there is a null pointer exception caused by that. This commit address this issue by checking if the required data structures are initialized. Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Acked-by: ...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index ce1991e06049..beca40f8694f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2083,8 +2083,10 @@ int resource_get_odm_s...
2998bccfa4197ff49bf70cbe14563d1417fe3ccf
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Enable ISHARP support for DCN401
Problem Details: [Why] Enable sharpener support for DCN401 [How] - Removed memcmp check that was preventing ISHARP from being enabled. - Add missing ISHARP register defines, masks, and writes. - Add programming of Blur and Scale coefficients. - Program FMT_MODE and NLDELTA registers based on LLS_PREF and pixel - forma...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index a711e3fd6f1b..1055970d3888 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1040,6 +1040,7 @@ struct dc_debug_options { unsigned int force_cositing; unsigned int disable...
c2edec1676ca40abf40d1d895765a6cf801decba
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix incorrect cursor position for dcn401
Problem Details: [Why] Incorrect cursor position calculation in some scenarios. Also for mirror and rotation cases. [How] Fix for incorrect cursor position. Added new test scenarios for diags cursor test. Updated CRC for few of the diags cursor test scenarios. Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.co...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c index a54b9089f15d..aef73bd1221a 100644 --- a/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn401/dcn401_dpp_cm.c @@ -185,15 +1...
e8b8c5264d4ebd248f60a5cef077fe615806e7a0
Analyze and fix the following issue in the Linux kernel code: selftests/overlayfs: Fix build error on ppc64
Problem Details: Fix build error on ppc64: dev_in_maps.c: In function ‘get_file_dev_and_inode’: dev_in_maps.c:60:59: error: format ‘%llu’ expects argument of type ‘long long unsigned int *’, but argument 7 has type ‘__u64 *’ {aka ‘long unsigned int *’} [-Werror=format=] By switching to unsigned long long for u...
```diff diff --git a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c index 759f86e7d263..2862aae58b79 100644 --- a/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c +++ b/tools/testing/selftests/filesystems/overlayfs/dev_in_maps.c @@ -1...
84b6df4c49a1cc2854a16937acd5fd3e6315d083
Analyze and fix the following issue in the Linux kernel code: selftests/openat2: Fix build warnings on ppc64
Problem Details: Fix warnings like: openat2_test.c: In function ‘test_openat2_flags’: openat2_test.c:303:73: warning: format ‘%llX’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘__u64’ {aka ‘long unsigned int’} [-Wformat=] By switching to unsigned long long for u64 for ppc64 buil...
```diff diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c index 9024754530b2..5790ab446527 100644 --- a/tools/testing/selftests/openat2/openat2_test.c +++ b/tools/testing/selftests/openat2/openat2_test.c @@ -5,6 +5,7 @@ */ #define _GNU_SOURCE +#define __SA...
bc4d5f5d2debf8bb65fba188313481549ead8576
Analyze and fix the following issue in the Linux kernel code: selftests: cachestat: Fix build warnings on ppc64
Problem Details: Fix warnings like: test_cachestat.c: In function ‘print_cachestat’: test_cachestat.c:30:38: warning: format ‘%llu’ expects argument of type ‘long long unsigned int’, but argument 2 has type ‘__u64’ {aka ‘long unsigned int’} [-Wformat=] By switching to unsigned long long for u64 for ppc64 build...
```diff diff --git a/tools/testing/selftests/cachestat/test_cachestat.c b/tools/testing/selftests/cachestat/test_cachestat.c index b171fd53b004..632ab44737ec 100644 --- a/tools/testing/selftests/cachestat/test_cachestat.c +++ b/tools/testing/selftests/cachestat/test_cachestat.c @@ -1,5 +1,6 @@ // SPDX-License-Identifi...
23a4b108accc29a6125ed14de4a044689ffeda78
Analyze and fix the following issue in the Linux kernel code: tracing/selftests: Fix kprobe event name test for .isra. functions
Problem Details: The kprobe_eventname.tc test checks if a function with .isra. can have a kprobe attached to it. It loops through the kallsyms file for all the functions that have the .isra. name, and checks if it exists in the available_filter_functions file, and if it does, it uses it to attach a kprobe to it. The i...
```diff diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc index 1f6981ef7afa..ba19b81cef39 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprob...
f6c3c83db1d939ebdb8c8922748ae647d8126d91
Analyze and fix the following issue in the Linux kernel code: selftests/ftrace: Fix to check required event file
Problem Details: The dynevent/test_duplicates.tc test case uses `syscalls/sys_enter_openat` event for defining eprobe on it. Since this `syscalls` events depend on CONFIG_FTRACE_SYSCALLS=y, if it is not set, the test will fail. Add the event file to `required` line so that the test will return `unsupported` result. F...
```diff diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc index d3a79da215c8..5f72abe6fa79 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/...
2032e61e24fe9fe55d6c7a34fb5506c911b3e280
Analyze and fix the following issue in the Linux kernel code: kselftest/alsa: Ensure _GNU_SOURCE is defined
Problem Details: The pcmtest driver tests use the kselftest harness which requires that _GNU_SOURCE is defined but nothing causes it to be defined. Since the KHDR_INCLUDES Makefile variable has had the required define added let's use that, this should provide some futureproofing. Fixes: daef47b89efd ("selftests: Comp...
```diff diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile index 5af9ba8a4645..c1ce39874e2b 100644 --- a/tools/testing/selftests/alsa/Makefile +++ b/tools/testing/selftests/alsa/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # -CFLAGS += $(shell pkg-config --cfla...
321e4fa68ce15660ec578bdec5cc9607635087cf
Analyze and fix the following issue in the Linux kernel code: dt-bindings: arm: stm32: st,mlahb: Drop spurious "reg" property from example
Problem Details: "reg" is not documented nor used for st,mlahb, so drop it from the example to fix the warning: Documentation/devicetree/bindings/arm/stm32/st,mlahb.example.dtb: ahb@38000000: Unevaluated properties are not allowed ('reg' was unexpected) from schema $id: http://devicetree.org/schemas/arm/stm32/...
```diff diff --git a/Documentation/devicetree/bindings/arm/stm32/st,mlahb.yaml b/Documentation/devicetree/bindings/arm/stm32/st,mlahb.yaml index d2dce238ff5d..3e996346b264 100644 --- a/Documentation/devicetree/bindings/arm/stm32/st,mlahb.yaml +++ b/Documentation/devicetree/bindings/arm/stm32/st,mlahb.yaml @@ -54,11 +54...
84081a885394fc94055c24c727c99c321df6abac
Analyze and fix the following issue in the Linux kernel code: dt-bindings: arm: sunxi: Fix incorrect '-' usage
Problem Details: Commit 6bc6bf8a940a ("dt-bindings: arm: sunxi: document Anbernic RG35XX handheld gaming device variants") mistakenly added '-' on each line which created empty (i.e. description only) schemas matching anything. This causes validation to fail on all the root node compatibles as there are multiple oneOf ...
```diff diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml index c6d0d8d81ed4..c2a158b75e49 100644 --- a/Documentation/devicetree/bindings/arm/sunxi.yaml +++ b/Documentation/devicetree/bindings/arm/sunxi.yaml @@ -57,17 +57,17 @@ properties: - cons...
95d7c452a26564ef0c427f2806761b857106d8c4
Analyze and fix the following issue in the Linux kernel code: spi: stm32: Don't warn about spurious interrupts
Problem Details: The dev_warn to notify about a spurious interrupt was introduced with the reasoning that these are unexpected. However spurious interrupts tend to trigger continously and the error message on the serial console prevents that the core's detection of spurious interrupts kicks in (which disables the irq) ...
```diff diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index e4e7ddb7524a..4c4ff074e3f6 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1057,7 +1057,7 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id) mask |= STM32H7_SPI_SR_TXP | STM32H7_SPI_SR_RXP; if (!(...
3c603b1fa8b44de94c97dd0baf9b40a74586b55d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix typo in amdgpu_ras_aca_sysfs_read() function
Problem Details: fix typo "info.ue_count" in amdgpu_ras_aca_sysfs_read() function. Fixes: 865d3397630b ("drm/amdgpu: add aca deferred error type support") Signed-off-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 8073716bc5ac..db4a811cc0f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1299,7 +1299,7 @@ ssize_t amdgpu_ras_aca_sysfs_read(struct device *dev, struct de...
511a623fb46a6cf578c61d4f2755783c48807c77
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix dereference null return value for the function amdgpu_vm_pt_parent
Problem Details: The pointer parent may be NULLed by the function amdgpu_vm_pt_parent. To make the code more robust, check the pointer parent. Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Suggested-by: Christian König <christian.koenig@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index 0763382d305a..e39d6e7643bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -706,11 +706,15 @@ int amdgpu_vm_pde_update(struct amdgpu_vm_update_params...
04c1ea9d6482a012c050720e13fcb858884af75d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: clean up some inconsistent indenting
Problem Details: No functional modification involved. drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:5200 dc_power_down_on_boot() warn: inconsistent indenting. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9166 Signed-off-by: Jiapeng Chong <jiapeng.chong...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 3a2101b052ea..4612c60edebd 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -5194,9 +5194,7 @@ void dc_power_down_on_boot(struct dc *dc) } } -void dc...
37ea1aee18e7418ad5a3aa5f14c87c8e0736fad1
Analyze and fix the following issue in the Linux kernel code: drm/xe: Drop undesired prefix from the platform name
Problem Details: We don't have to use exact names of the enumerators as the potentially user-facing platform names. When constructing platform descriptor fields, use the unique platform tag and add the XE_ prefix only to the generated enum field. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Lucas D...
```diff diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index 9782cff9dd82..e84da0cbb8e9 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -71,7 +71,7 @@ __diag_push(); __diag_ignore_all("-Woverride-init", "Allow field overrides in table"); #define PLATFORM(x) \ -...
ac0d71ee534e67c7e53439e8e9cb45ed40731660
Analyze and fix the following issue in the Linux kernel code: ALSA: ump: Don't accept an invalid UMP protocol number
Problem Details: When a UMP Stream Configuration message is received, the driver tries to switch the protocol, but there was no sanity check of the protocol, hence it can pass an invalid value. Add the check and bail out if a wrong value is passed. Fixes: a79807683781 ("ALSA: ump: Add helper to change MIDI protocol")...
```diff diff --git a/sound/core/ump.c b/sound/core/ump.c index fd6a68a54278..117c7ecc4856 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -685,10 +685,17 @@ static void seq_notify_protocol(struct snd_ump_endpoint *ump) */ int snd_ump_switch_protocol(struct snd_ump_endpoint *ump, unsigned int protocol) { + u...
4a4be1ad3a6efea16c56615f31117590fd881358
Analyze and fix the following issue in the Linux kernel code: Revert "vfs: Delete the associated dentry when deleting a file"
Problem Details: This reverts commit 681ce8623567ba7e7333908e9826b77145312dda. We gave it a try, but it turns out the kernel test robot did in fact find performance regressions for it, so we'll have to look at the more involved alternative fixes for Yafang Shao's Elasticsearch load issue. There were several alternati...
```diff diff --git a/fs/dcache.c b/fs/dcache.c index 1ee6404b430b..407095188f83 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2360,17 +2360,19 @@ EXPORT_SYMBOL(d_hash_and_lookup); * - unhash this dentry and free it. * * Usually, we want to just turn this into - * a negative dentry, but certain workloads can - * ...
1b1c9f0fd3fb70adf1f3b0aec58ab037d6e595d0
Analyze and fix the following issue in the Linux kernel code: dt-bindings: kbuild: Fix dt_binding_check on unconfigured build
Problem Details: The 'dt_binding_check' target shouldn't depend on the kernel configuration, but it has since commit 604a57ba9781 ("dt-bindings: kbuild: Add separate target/dependency for processed-schema.json"). That is because CHECK_DT_BINDING make variable was dropped, but scripts/dtc/Makefile was missed. The CHECK_...
```diff diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index a18657072541..b47f4daa4515 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -3,7 +3,7 @@ # *** Also keep .gitignore in sync when changing *** hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay -hostprogs-always-$(CHECK_DT_BINDING) ...
6e58e0173507e506a5627741358bc770f220e356
Analyze and fix the following issue in the Linux kernel code: kheaders: use `command -v` to test for existence of `cpio`
Problem Details: Commit 13e1df09284d ("kheaders: explicitly validate existence of cpio command") added an explicit check for `cpio` using `type`. However, `type` in `dash` (which is used in some popular distributions and base images as the shell script runner) prints the missing message to standard output, and thus no...
```diff diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh index 8b6e0c2bc0df..383fd43ac612 100755 --- a/kernel/gen_kheaders.sh +++ b/kernel/gen_kheaders.sh @@ -14,7 +14,12 @@ include/ arch/$SRCARCH/include/ " -type cpio > /dev/null +if ! command -v cpio >/dev/null; then + echo >&2 "***" + echo >&2 "*** '...
06fe9b1df1086b42718d632aa57e8f7cd1a66a21
Analyze and fix the following issue in the Linux kernel code: io_uring: don't attempt to mmap larger than what the user asks for
Problem Details: If IORING_FEAT_SINGLE_MMAP is ignored, as can happen if an application uses an ancient liburing or does setup manually, then 3 mmap's are required to map the ring into userspace. The kernel will still have collapsed the mappings, however userspace may ask for mapping them individually. If so, then we s...
```diff diff --git a/io_uring/memmap.c b/io_uring/memmap.c index 4785d6af5fee..a0f32a255fd1 100644 --- a/io_uring/memmap.c +++ b/io_uring/memmap.c @@ -244,6 +244,7 @@ __cold int io_uring_mmap(struct file *file, struct vm_area_struct *vma) struct io_ring_ctx *ctx = file->private_data; size_t sz = vma->vm_end - vma->...
9dedabe95b49ec9b0d16ce8f0ed1f9a12dd4a040
Analyze and fix the following issue in the Linux kernel code: spi: Assign dummy scatterlist to unidirectional transfers
Problem Details: Commit 8cc3bad9d9d6 ("spi: Remove unneded check for orig_nents") introduced a regression: unmapped data could now be passed to the DMA APIs, resulting in null pointer dereferences. Commit 9f788ba457b4 ("spi: Don't mark message DMA mapped when no transfer in it is") and commit da560097c056 ("spi: Check ...
```diff diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index f94420858c22..9bc9fd10d538 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1220,6 +1220,11 @@ void spi_unmap_buf(struct spi_controller *ctlr, struct device *dev, spi_unmap_buf_attrs(ctlr, dev, sgt, dir, 0); } +/* Dummy SG for unidirect tra...
92ecbb3ac6f3fe8ae9edf3226c76aa17b6800699
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix UBSAN noise in ieee80211_prep_hw_scan()
Problem Details: When testing the previous patch with CONFIG_UBSAN_BOUNDS, I've noticed the following: UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:372:4 index 0 is out of range for type 'struct ieee80211_channel *[]' CPU: 0 PID: 1435 Comm: wpa_supplicant Not tainted 6.9.0+ #1 Hardware name: LENOVO 20UN005Q...
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 3da1c5c45035..8ecc4b710b0e 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -744,15 +744,21 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, local->hw_scan_ies_bufsize *= n_bands; } - local->hw_scan_req ...
74259990b5938dc55fbe2f9b0431d5f370d34b85
Analyze and fix the following issue in the Linux kernel code: regulator: rtq2208: Fix LDO to be compatible with both fixed and adjustable vout
Problem Details: In this patch, LDO's adjustable and fixed Vout settings are compatible. The LDO Vout ability depends on "richtek,fixed-microvolt". If adjustable, the Vout can be set to either 1800mV or 3300mV. Signed-off-by: Alina Yu <alina_yu@richtek.com> Link: https://msgid.link/r/5ad4c7728c7fa7f6286db36b99d31c9d0f...
```diff diff --git a/drivers/regulator/rtq2208-regulator.c b/drivers/regulator/rtq2208-regulator.c index c31b6dc3229c..f6afa4e52814 100644 --- a/drivers/regulator/rtq2208-regulator.c +++ b/drivers/regulator/rtq2208-regulator.c @@ -219,7 +219,7 @@ static const struct regulator_ops rtq2208_regulator_buck_ops = { .set_s...
a26d8dc5227f449a54518a8b40733a54c6600a8b
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: correctly parse Spatial Reuse Parameter Set element
Problem Details: Currently, the way of parsing Spatial Reuse Parameter Set element is incorrect and some members of struct ieee80211_he_obss_pd are not assigned. To address this issue, it must be parsed in the order of the elements of Spatial Reuse Parameter Set defined in the IEEE Std 802.11ax specification. The dia...
```diff diff --git a/net/mac80211/he.c b/net/mac80211/he.c index 9f5ffdc9db28..ecbb042dd043 100644 --- a/net/mac80211/he.c +++ b/net/mac80211/he.c @@ -230,15 +230,21 @@ ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, if (!he_spr_ie_elem) return; + + he_obss_pd->sr_ctrl = he_spr_ie_elem->he_sr_control;...
767fd5a0160774178a597b7a7b6e07915fe00efa
Analyze and fix the following issue in the Linux kernel code: gfs2: Revise glock reference counting model
Problem Details: In the current glock reference counting model, a bias of one is added to a glock's refcount when it is locked (gl->gl_state != LM_ST_UNLOCKED). A glock is removed from the lru_list when it is enqueued, and added back when it is dequeued. This isn't a very appropriate model because most glocks are held...
```diff diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 32991cb22023..e2a72c21194a 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -237,7 +237,7 @@ static int demote_ok(const struct gfs2_glock *gl) } -void gfs2_glock_add_to_lru(struct gfs2_glock *gl) +static void gfs2_glock_add_to_lru(struct gfs2_glock ...
0c2fd18f7ec552796179c14f13a0e06942f09d16
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix Spatial Reuse element size check
Problem Details: Currently, the way to check the size of Spatial Reuse IE data in the ieee80211_parse_extension_element() is incorrect. This is because the len variable in the ieee80211_parse_extension_element() function is equal to the size of Spatial Reuse IE data minus one and the value of returned by the ieee80211...
```diff diff --git a/net/mac80211/parse.c b/net/mac80211/parse.c index 55e5497f8978..055a60e90979 100644 --- a/net/mac80211/parse.c +++ b/net/mac80211/parse.c @@ -111,7 +111,7 @@ ieee80211_parse_extension_element(u32 *crc, if (params->mode < IEEE80211_CONN_MODE_HE) break; if (len >= sizeof(*elems->he_spr) && ...
4bb95f4535489ed830cf9b34b0a891e384d1aee4
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't read past the mfuart notifcation
Problem Details: In case the firmware sends a notification that claims it has more data than it has, we will read past that was allocated for the notification. Remove the print of the buffer, we won't see it by default. If needed, we can see the content with tracing. This was reported by KFENCE. Fixes: bdccdb854f2f (...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index ca7fcae6995e..f4937a100cbe 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -94,20 +94,10 @@ void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm...
e6dd2936ce7ce94a1915b799f8af8193ec628e87
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Fix scan abort handling with HW rfkill
Problem Details: When HW rfkill is toggled to disable the RF, the flow to stop scan is called. When trying to send the command to abort the scan, since HW rfkill is toggled, the command is not sent due to rfkill being asserted, and -ERFKILL is returned from iwl_trans_send_cmd(), but this is silently ignored in iwl_mvm_...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 9739c38ef824..b5f664ae5a17 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -3322,10 +3322,11 @@ static int iwl_mvm_umac_scan_abort(st...
60d62757df30b74bf397a2847a6db7385c6ee281
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids
Problem Details: In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case will cuase an out-of-bound access. Fix this by checking n_ssids first. Fixes: c1a7515393e4 ("iwlwifi: mvm: add adaptive dwell support") Signed-off-by: Miri Korenblit <miriam...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 890d4d79b172..9739c38ef824 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1313,7 +1313,7 @@ static void iwl_mvm_scan_umac_dwell(str...
08b16d1b5997dc378533318e2a9cd73c7a898284
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd
Problem Details: The BIGTK cipher field was added to the kek_kck_material_cmd but wasn't assigned. Fix that by differentiating between the IGTK/BIGTK keys and assign the ciphers fields accordingly. Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@in...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index e37ae34acba6..54f4acbbd05b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -595,6 +595,12 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ...
87821b67dea87addbc4ab093ba752753b002176a
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: dbg_ini: move iwl_dbg_tlv_free outside of debugfs ifdef
Problem Details: The driver should call iwl_dbg_tlv_free even if debugfs is not defined since ini mode does not depend on debugfs ifdef. Fixes: 68f6f492c4fa ("iwlwifi: trans: support loading ini TLVs from external file") Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com> Reviewed-by: Luciano Coelho <luci...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index 33654f228ee8..d156a9c64194 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1815,8 +1815,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_tr...
0f2e9f6f21d1ff292363cdfb5bc4d492eeaff76e
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: set properly mac header
Problem Details: In the driver we only use skb_put* for adding data to the skb, hence data never moves and skb_reset_mac_haeder would set mac_header to the first time data was added and not to mac80211 header, fix this my using the actual len of bytes added for setting the mac header. Fixes: 3f7a9d577d47 ("wifi: iwlwi...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index d78af2928152..489cfb0a4ab1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -2450,8 +2450,11 @@ void iwl_mvm_rx_monitor_no_data(struct...
4a7aace2899711592327463c1a29ffee44fcc66e
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: revert gen2 TX A-MPDU size to 64
Problem Details: We don't actually support >64 even for HE devices, so revert back to 64. This fixes an issue where the session is refused because the queue is configured differently from the actual session later. Fixes: 514c30696fbc ("iwlwifi: add support for IEEE802.11ax") Signed-off-by: Johannes Berg <johannes.berg...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index 376b23b409dc..6cd4ec4d8f34 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -122,13 +122,8 @@ enum { #define LINK_QUAL_AGG_FRAME_LIMIT_DEF ...
b7ffca99313d856f7d1cc89038d9061b128e8e97
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: d3: fix WoWLAN command version lookup
Problem Details: After moving from commands to notificaitons in the d3 resume flow, removing the WOWLAN_GET_STATUSES and REPLY_OFFLOADS_QUERY_CMD causes the return of the default value when looking up their version. Returning zero here results in the driver sending the not supported NON_QOS_TX_COUNTER_CMD. Signed-off-...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 71e6b06481a9..e37ae34acba6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -2341,7 +2341,8 @@ static bool iwl_mvm_setup_connection_keep(struc...
788e4c75f831d06fcfbbec1d455fac429521e607
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix a crash on 7265
Problem Details: Since IWL_FW_CMD_VER_UNKNOWN = 99, then my change to consider cmd_ver >= 7 instead of cmd_ver = 7 included also firmwares that don't advertise the command version at all. This made us send a command with a bad size and because of that, the firmware hit a BAD_COMMAND immediately after handling the REDUC...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index e7f5978ef2d7..ca7fcae6995e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -895,8 +895,8 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mv...
98b7017ddb914a32152ed9aec7468386fff85f8f
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: always set the TWT IE offset
Problem Details: In beacon template version 14, make sure to always set the TWT IE offset before sending the beacon template command, also in the debugfs inject_beacon_ie path. If the TWT IE does not exist, the offset will be set to zero. Fixes: bf0212fd8faa ("wifi: iwlwifi: mvm: add beacon template version 14") Signe...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 79f4ac8cbc72..8101ecbb478b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1617,6 +1617,15 @@ static int _iwl_dbgfs_inje...
92158790ce4391ce4c35d8dfbce759195e4724cb
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't initialize csa_work twice
Problem Details: The initialization of this worker moved to iwl_mvm_mac_init_mvmvif but we removed only from the pre-MLD version of the add_interface callback. Remove it also from the MLD version. Fixes: 0bcc2155983e ("wifi: iwlwifi: mvm: init vif works only once") Signed-off-by: Miri Korenblit <miriam.rachel.korenbli...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 0a3b7284eedd..fcfd2dd7568e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -75,8 +75,6 @@ static int ...
8ecc4d7a7cd3e9704b63b8e4f6cd8b6b7314210f
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: pass proper link id for channel switch started notification
Problem Details: Original changes[1] posted is having proper changes. However, at the same time, there was chandef puncturing changes which had a conflict with this. While applying, two errors crept in - a) Whitespace error. b) Link ID being passed to channel switch started notifier function is 0. However p...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 99abbb9e8477..83ad6c9709fe 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -4017,7 +4017,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, goto out; } - link_data->csa_chanreq = chanreq; + link_data->csa_ch...
f7a8b10bfd614d7a9a16fbe80d28ead4f063cb00
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: fix 6 GHz scan request building
Problem Details: The 6 GHz scan request struct allocated by cfg80211_scan_6ghz() is meant to be formed this way: [base struct][channels][ssids][6ghz_params] It is allocated with [channels] as the maximum number of channels supported by the driver in the 6 GHz band, since allocation is before knowing how many there w...
```diff diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 43897a5269b6..755af47b88b9 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -2,7 +2,7 @@ /* * Portions of this file * Copyright(c) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2018, 2021-2023 Intel Corporation +...
177c6ae9725d783f9e96f02593ce8fb2639be22f
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: handle tasklet frames before stopping
Problem Details: The code itself doesn't want to handle frames from the driver if it's already stopped, but if the tasklet was queued before and runs after the stop, then all bets are off. Flush queues before actually stopping, RX should be off at this point since all the interfaces are removed already, etc. Reported-...
```diff diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index eb62b7d4b4f7..3cedfdc9099b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1845,6 +1845,8 @@ void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata, void ieee80211_configure_filter(struct...
02c665f048a439c0d58cc45334c94634bd7c18e6
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: apply mcast rate only if interface is up
Problem Details: If the interface isn't enabled, don't apply multicast rate changes immediately. Reported-by: syzbot+de87c09cc7b964ea2e23@syzkaller.appspotmail.com Link: https://msgid.link/20240515133410.d6cffe5756cc.I47b624a317e62bdb4609ff7fa79403c0c444d32d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.c...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index b08e5d7687e3..99abbb9e8477 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2958,8 +2958,9 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(int...
ab904521f4de52fef4f179d2dfc1877645ef5f5c
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: pmsr: use correct nla_get_uX functions
Problem Details: The commit 9bb7e0f24e7e ("cfg80211: add peer measurement with FTM initiator API") defines four attributes NL80211_PMSR_FTM_REQ_ATTR_ {NUM_BURSTS_EXP}/{BURST_PERIOD}/{BURST_DURATION}/{FTMS_PER_BURST} in following ways. static const struct nla_policy nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ...
```diff diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index e106dcea3977..c569c37da317 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -56,7 +56,7 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, out->ftm.burst_period = 0; if (tb[NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD]) ...
642f89daa34567d02f312d03e41523a894906dae
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: Lock wiphy in cfg80211_get_station
Problem Details: Wiphy should be locked before calling rdev_get_station() (see lockdep assert in ieee80211_get_station()). This fixes the following kernel NULL dereference: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: ...
```diff diff --git a/net/wireless/util.c b/net/wireless/util.c index 2bde8a354631..082c6f9c5416 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -2549,6 +2549,7 @@ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, { struct cfg80211_registered_device *rdev; struct wireless_dev *wdev;...
e296c95eac655008d5a709b8cf54d0018da1c916
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: fully move wiphy work to unbound workqueue
Problem Details: Previously I had moved the wiphy work to the unbound system workqueue, but missed that when it restarts and during resume it was still using the normal system workqueue. Fix that. Fixes: 91d20ab9d9ca ("wifi: cfg80211: use system_unbound_wq for wiphy work") Reviewed-by: Miriam Rachel Korenblit <miriam....
```diff diff --git a/net/wireless/core.c b/net/wireless/core.c index 3fb1b637352a..4b1f45e3070e 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -431,7 +431,7 @@ static void cfg80211_wiphy_work(struct work_struct *work) if (wk) { list_del_init(&wk->entry); if (!list_empty(&rdev->wiphy_work_list)) -...
4dc3a3893dae5a7f73e5809273aca0f1f3548d55
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: validate HE operation element parsing
Problem Details: Validate that the HE operation element has the correct length before parsing it. Cc: stable@vger.kernel.org Fixes: 645f3d85129d ("wifi: cfg80211: handle UHB AP and STA power type") Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240523120533.677025eb...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 127853877a0a..8daed8232b05 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2128,7 +2128,8 @@ static bool cfg80211_6ghz_power_type_valid(const u8 *ie, size_t ielen, struct ieee80211_he_operation *he_oper; tmp = cfg80211_find_ext_el...
44c06bbde6443de206b30f513100b5670b23fc5e
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup()
Problem Details: The ieee80211_sta_ps_deliver_wakeup() function takes sta->ps_lock to synchronizes with ieee80211_tx_h_unicast_ps_buf() which is called from softirq context. However using only spin_lock() to get sta->ps_lock in ieee80211_sta_ps_deliver_wakeup() does not prevent softirq to execute on this same CPU, to r...
```diff diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index da5fdd6f5c85..aa22f09e6d14 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1724,7 +1724,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) skb_queue_head_init(&pending); /* sync with ieee80211_tx_h_uni...
b7d7f11a291830fdf69d3301075dd0fb347ced84
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects
Problem Details: The hwmp code use objects of type mesh_preq_queue, added to a list in ieee80211_if_mesh, to keep track of mpath we need to resolve. If the mpath gets deleted, ex mesh interface is removed, the entries in that list will never get cleaned. Fix this by flushing all corresponding items of the preq_queue in...
```diff diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index a6b62169f084..c0a5c75cddcb 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -1017,10 +1017,23 @@ void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata, */ void mesh_path_flush_pending(struct m...
ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension
Problem Details: If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used. Fixes: 648fea128476 ("ASoC: SOF: ipc4-topology: set copier output format ...
```diff diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index beff10989324..33e8c5f7d9ca 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -217,6 +217,14 @@ sof_ipc4_get_input_pin_audio_fmt(struct snd_sof_widget *swidget, int pin_index) } process = swidge...
b1e7cee96127468c2483cf10c2899c9b5cf79bf8
Analyze and fix the following issue in the Linux kernel code: powerpc/bpf: enforce full ordering for ATOMIC operations with BPF_FETCH
Problem Details: The Linux Kernel Memory Model [1][2] requires RMW operations that have a return value to be fully ordered. BPF atomic operations with BPF_FETCH (including BPF_XCHG and BPF_CMPXCHG) return a value back so they need to be JITed to fully ordered operations. POWERPC currently emits relaxed operations for ...
```diff diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index 43b97032a91c..a0c4f1bde83e 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -900,6 +900,15 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, u32 *fimage, struct code /...
068648aab72c9ba7b0597354ef4d81ffaac7b979
Analyze and fix the following issue in the Linux kernel code: nfc/nci: Add the inconsistency check between the input data length and count
Problem Details: write$nci(r0, &(0x7f0000000740)=ANY=[@ANYBLOB="610501"], 0xf) Syzbot constructed a write() call with a data length of 3 bytes but a count value of 15, which passed too little data to meet the basic requirements of the function nci_rf_intf_activated_ntf_packet(). Therefore, increasing the comparison b...
```diff diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c index 590b038e449e..6b89d596ba9a 100644 --- a/drivers/nfc/virtual_ncidev.c +++ b/drivers/nfc/virtual_ncidev.c @@ -125,6 +125,10 @@ static ssize_t virtual_ncidev_write(struct file *file, kfree_skb(skb); return -EFAULT; } + if (strnl...
85e833cd7243bda7285492b0653c3abb1e2e757b
Analyze and fix the following issue in the Linux kernel code: cachefiles: flush all requests after setting CACHEFILES_DEAD
Problem Details: In ondemand mode, when the daemon is processing an open request, if the kernel flags the cache as CACHEFILES_DEAD, the cachefiles_daemon_write() will always return -EIO, so the daemon can't pass the copen to the kernel. Then the kernel process that is waiting for the copen triggers a hung_task. Since ...
```diff diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c index ccb7b707ea4b..06cdf1a8a16f 100644 --- a/fs/cachefiles/daemon.c +++ b/fs/cachefiles/daemon.c @@ -133,7 +133,7 @@ static int cachefiles_daemon_open(struct inode *inode, struct file *file) return 0; } -static void cachefiles_flush_reqs(struct ...
4f8703fb3482f92edcfd31661857b16fec89c2c0
Analyze and fix the following issue in the Linux kernel code: cachefiles: Set object to close if ondemand_id < 0 in copen
Problem Details: If copen is maliciously called in the user mode, it may delete the request corresponding to the random id. And the request may have not been read yet. Note that when the object is set to reopen, the open request will be done with the still reopen state in above case. As a result, the request correspon...
```diff diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index 6f815e7c5086..922cab1a314b 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -182,6 +182,7 @@ int cachefiles_ondemand_copen(struct cachefiles_cache *cache, char *args) xas_store(&xas, NULL); xa_unlock(&cache->reqs);...
4b4391e77a6bf24cba2ef1590e113d9b73b11039
Analyze and fix the following issue in the Linux kernel code: cachefiles: defer exposing anon_fd until after copy_to_user() succeeds
Problem Details: After installing the anonymous fd, we can now see it in userland and close it. However, at this point we may not have gotten the reference count of the cache, but we will put it during colse fd, so this may cause a cache UAF. So grab the cache reference count before fd_install(). In addition, by kerne...
```diff diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index d2d4e27fca6f..6f815e7c5086 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -4,6 +4,11 @@ #include <linux/uio.h> #include "internal.h" +struct ondemand_anon_file { + struct file *file; + int fd; +}; + static inlin...
4988e35e95fc938bdde0e15880fe72042fc86acf
Analyze and fix the following issue in the Linux kernel code: cachefiles: never get a new anonymous fd if ondemand_id is valid
Problem Details: Now every time the daemon reads an open request, it gets a new anonymous fd and ondemand_id. With the introduction of "restore", it is possible to read the same open request more than once, and therefore an object can have more than one anonymous fd. If the anonymous fd is not unique, the following co...
```diff diff --git a/fs/cachefiles/ondemand.c b/fs/cachefiles/ondemand.c index d04ddc6576e3..d2d4e27fca6f 100644 --- a/fs/cachefiles/ondemand.c +++ b/fs/cachefiles/ondemand.c @@ -14,11 +14,18 @@ static int cachefiles_ondemand_fd_release(struct inode *inode, struct file *file) { struct cachefiles_object *obje...