id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
9865346b7e8374b57f1c3ccacdc77846c6352ff4
Analyze and fix the following issue in the Linux kernel code: io_uring/kbuf: check for buffer list readiness after NULL check
Problem Details: Move the buffer list 'is_ready' check below the validity check for the buffer list for a given group. Fixes: 5cf4f52e6d8a ("io_uring: free io_buffer_list entries via RCU") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
```diff diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index bd25bc2deeaf..72b6af1d2ed3 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -756,6 +756,8 @@ void *io_pbuf_get_address(struct io_ring_ctx *ctx, unsigned long bgid) bl = __io_buffer_get_list(ctx, smp_load_acquire(&ctx->io_bl), bgid); + if (!bl || !b...
e53f7b54b1fdecae897f25002ff0cff04faab228
Analyze and fix the following issue in the Linux kernel code: io_uring/kbuf: Fix an NULL vs IS_ERR() bug in io_alloc_pbuf_ring()
Problem Details: The io_mem_alloc() function returns error pointers, not NULL. Update the check accordingly. Fixes: b10b73c102a2 ("io_uring/kbuf: recycle freed mapped buffer ring entries") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/5ed268d3-a997-4f64-bd71-47faa92101ab@moro...
```diff diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index 268788305b61..bd25bc2deeaf 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -636,8 +636,8 @@ static int io_alloc_pbuf_ring(struct io_ring_ctx *ctx, ibf = io_lookup_buf_free_entry(ctx, ring_size); if (!ibf) { ptr = io_mem_alloc(ring_size); - if (!...
0be9595d8a1170474867b8ee2caf14394db45d8b
Analyze and fix the following issue in the Linux kernel code: ASoC: cs4271: Fix spelling mistake "retrieveing" -> "retrieving"
Problem Details: There is a spelling mistake in a dev_err_probe error message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231205101740.2820813-1-colin.i.king@gmail.com Signed-off-by: Mark Brown <broonie@kerne...
```diff diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c index 74a84832d958..e864188ae5eb 100644 --- a/sound/soc/codecs/cs4271.c +++ b/sound/soc/codecs/cs4271.c @@ -643,7 +643,7 @@ static int cs4271_common_probe(struct device *dev, cs4271->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS); ...
890188d2d7e4ac6c131ba166ca116cb315e752ee
Analyze and fix the following issue in the Linux kernel code: spi: atmel: Prevent spi transfers from being killed
Problem Details: Upstream commit e0205d6203c2 ("spi: atmel: Prevent false timeouts on long transfers") has tried to mitigate the problem of getting spi transfers canceled because they were lasting too long. On slow buses, transfers in the MiB range can take more than one second and thus a calculation was added to progr...
```diff diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 0197c25f5029..54277de30161 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1333,12 +1333,10 @@ static int atmel_spi_one_transfer(struct spi_controller *host, } dma_timeout = msecs_to_jiffies(spi_controller_xfer_t...
e4d008d49a7135214e0ee70537405b6a069e3a3f
Analyze and fix the following issue in the Linux kernel code: xsk: Skip polling event check for unbound socket
Problem Details: In xsk_poll(), checking available events and setting mask bits should be executed only when a socket has been bound. Setting mask bits for unbound socket is meaningless. Currently, it checks events even when xsk_check_common() failed. To prevent this, we move goto location (skip_tx) after that checkin...
```diff diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index ae9f8cb611f6..3da0b52f308d 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -947,7 +947,7 @@ static __poll_t xsk_poll(struct file *file, struct socket *sock, rcu_read_lock(); if (xsk_check_common(xs)) - goto skip_tx; + goto out; pool = xs->pool; @@...
38bbef7240b8c5f2dc4493eec356e2efbf2da5f4
Analyze and fix the following issue in the Linux kernel code: drivers/perf: hisi: Fix some event id for HiSilicon UC pmu
Problem Details: Some event id of HiSilicon uncore UC PMU driver is incorrect, fix them. Fixes: 312eca95e28d ("drivers/perf: hisi: Add support for HiSilicon UC PMU driver") Signed-off-by: Junhao He <hejunhao3@huawei.com> Reviewed-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20231204110425...
```diff diff --git a/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c index 63da05e5831c..636fb79647c8 100644 --- a/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c @@ -383,8 +383,8 @@ static struct attribute *hisi_uc_pmu_events_attr[...
d951f8f5f23a9417b7952f22b33784c73caa1ebb
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6ul-pico: Describe the Ethernet PHY clock
Problem Details: Since commit c7e73b5051d6 ("ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup")thet Ethernet PHY is no longer configured via code in board file. This caused Ethernet to stop working. Fix this problem by describing the clocks and clock-names to the Ethernet PHY node so that the KSZ8081 chip c...
```diff diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-pico.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul-pico.dtsi index 4ffe99ed55ca..07dcecbe485d 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ul-pico.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-pico.dtsi @@ -121,6 +121,8 @@ max-speed = <100>; interrupt-parent = <&gpio5...
a931c6816078af3e306e0f444f492396ce40de31
Analyze and fix the following issue in the Linux kernel code: 9p: prevent read overrun in protocol dump tracepoint
Problem Details: An out of bounds read can occur within the tracepoint 9p_protocol_dump. In the fast assign, there is a memcpy that uses a constant size of 32 (macro named P9_PROTO_DUMP_SZ). When the copy is invoked, the source buffer is not guaranteed match this size. It was found that in some cases the source buffer...
```diff diff --git a/include/trace/events/9p.h b/include/trace/events/9p.h index 4dfa6d7f83ba..cd104a1343e2 100644 --- a/include/trace/events/9p.h +++ b/include/trace/events/9p.h @@ -178,18 +178,21 @@ TRACE_EVENT(9p_protocol_dump, __field( void *, clnt ) __field( __u8, type ) __field( __u16...
590f23b092401f29e410fd4ca67128fcc45192fc
Analyze and fix the following issue in the Linux kernel code: perf/arm-cmn: Fix HN-F class_occup_id events
Problem Details: A subtle copy-paste error managed to slip through the reorganisation of these patches in development, and not only give some HN-F events the wrong type, but use that wrong type before the subsequent patch defined it. Too late to fix history, but we can at least fix the bug. Fixes: b1b7dc38e482 ("perf/...
```diff diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index 014010d03588..86d970e74129 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -811,7 +811,7 @@ static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj, #define CMN_EVENT_HNF_OCC(_model, _name, _event) \ CMN_EVENT_...
d6e81532b10d8deb2bc30f7b44f09534876893e3
Analyze and fix the following issue in the Linux kernel code: Hexagon: Make pfn accessors statics inlines
Problem Details: Making virt_to_pfn() a static inline taking a strongly typed (const void *) makes the contract of a passing a pointer of that type to the function explicit and exposes any misuse of the macro virt_to_pfn() acting polymorphic and accepting many types such as (void *), (unitptr_t) or (unsigned long) as a...
```diff diff --git a/arch/hexagon/include/asm/page.h b/arch/hexagon/include/asm/page.h index 9c03b9965f07..10f1bc07423c 100644 --- a/arch/hexagon/include/asm/page.h +++ b/arch/hexagon/include/asm/page.h @@ -78,6 +78,9 @@ typedef struct page *pgtable_t; #define __pgd(x) ((pgd_t) { (x) }) #define __pgprot(x) (...
7f770d28f2e5abfd442ad689ba1129dd66593529
Analyze and fix the following issue in the Linux kernel code: selftests/net: specify the interface when do arping
Problem Details: When do arping, the interface need to be specified. Or we will get error: Interface "lo" is not ARPable. And the test failed. ]# ./arp_ndisc_untracked_subnets.sh TEST: test_arp: accept_arp=0 [ OK ] TEST: test_arp: accept_arp=1 ...
```diff diff --git a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh index c899b446acb6..327427ec10f5 100755 --- a/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh +++ b/tools/testing/selftests/net/arp_ndisc_untracked_subnets.sh @@ -150,7...
25ae948b447881bf689d459cd5bd4629d9c04b20
Analyze and fix the following issue in the Linux kernel code: selftests/net: add lib.sh
Problem Details: Add a lib.sh for net selftests. This file can be used to define commonly used variables and functions. Some commonly used functions can be moved from forwarding/lib.sh to this lib file. e.g. busywait(). Add function setup_ns() for user to create unique namespaces with given prefix name. Reviewed-by: ...
```diff diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 9274edfb76ff..14bd68da7466 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -54,7 +54,7 @@ TEST_PROGS += ip_local_port_range.sh TEST_PROGS += rps_default_mask.sh TEST_P...
730651268664070dbd582d7d0338b47d066d6323
Analyze and fix the following issue in the Linux kernel code: fs: use do_splice_direct() for nfsd/ksmbd server-side-copy
Problem Details: nfsd/ksmbd call vfs_copy_file_range() with flag COPY_FILE_SPLICE to perform kernel copy between two files on any two filesystems. Splicing input file, while holding file_start_write() on the output file which is on a different sb, posses a risk for fanotify related deadlocks. We only need to call spl...
```diff diff --git a/fs/read_write.c b/fs/read_write.c index 0bc99f38e623..01a14570015b 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1421,6 +1421,10 @@ ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, size_t len, unsigned int flags) { + /* ...
a099bec7a81052a324d07c9be7c24dc92fbd8ad1
Analyze and fix the following issue in the Linux kernel code: arm64: vdso32: rename 32-bit debug vdso to vdso32.so.dbg
Problem Details: 'make vdso_install' renames arch/arm64/kernel/vdso32/vdso.so.dbg to vdso32.so during installation, which allows 64-bit and 32-bit vdso files to be installed in the same directory. However, arm64 is the only architecture that requires this renaming. To simplify the vdso_install logic, rename the in-tr...
```diff diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 9a2d3723cd0f..47ecc4cff9d2 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -200,7 +200,7 @@ endif endif vdso-install-y += arch/arm64/kernel/vdso/vdso.so.dbg -vdso-install-$(CONFIG_COMPAT_VDSO) += arch/arm64/kernel/vdso32/vdso.so.d...
f54e8634d1366926c807e2af6125b33cff555fa7
Analyze and fix the following issue in the Linux kernel code: ARM: 9330/1: davinci: also select PINCTRL
Problem Details: kconfig warns when PINCTRL_SINGLE is selected but PINCTRL is not set, so also set PINCTRL for ARCH_DAVINCI. This prevents a kconfig/build warning: WARNING: unmet direct dependencies detected for PINCTRL_SINGLE Depends on [n]: PINCTRL [=n] && OF [=y] && HAS_IOMEM [=y] Selected by [y]: ...
```diff diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index 4316e1370627..1c8bf56982e5 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -10,6 +10,7 @@ menuconfig ARCH_DAVINCI select PM_GENERIC_DOMAINS_OF if PM && OF select REGMAP_MMIO select RESET_CONT...
e9fd08a9a7fb98000757ca1971271ec846ea3065
Analyze and fix the following issue in the Linux kernel code: ice: Improve logs for max ntuple errors
Problem Details: Supported number of ntuple filters affect also maximum location value that can be provided to ethtool command. Update error message to provide info about max supported value. Fix double spaces in the error messages. Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Pawel Kamin...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c index d151e5bacfec..3cc9d703428e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c @@ -668,7 +668,7 @@ ice_fdir_set_hw_fltr_rule...
a4f5892914ca7709ea6d191f0edace93a5935966
Analyze and fix the following issue in the Linux kernel code: drm/panfrost: Ignore core_mask for poweroff and disable PWRTRANS irq
Problem Details: Some SoCs may be equipped with a GPU containing two core groups and this is exactly the case of Samsung's Exynos 5422 featuring an ARM Mali-T628 MP6 GPU: the support for this GPU in Panfrost is partial, as this driver currently supports using only one core group and that's reflected on all parts of it,...
```diff diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index 09f5e1563ebd..bd41617c5e4b 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -78,7 +78,12 @@ int panfrost_gpu_soft_reset(struct panfrost_device *pfdev) } ...
bcc1f84e4d3480636d8ff7458bfdda9ff908a3d7
Analyze and fix the following issue in the Linux kernel code: docs: bridge: Add kAPI/uAPI fields
Problem Details: Add kAPI/uAPI field for bridge doc. Update struct net_bridge_vlan comments to fix doc build warning. Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Paolo Abeni <pabeni@re...
```diff diff --git a/Documentation/networking/bridge.rst b/Documentation/networking/bridge.rst index 6ad8b42b2c50..a717563eaa15 100644 --- a/Documentation/networking/bridge.rst +++ b/Documentation/networking/bridge.rst @@ -14,6 +14,39 @@ at the data link layer (Layer 2) of the OSI (Open Systems Interconnection) model....
9f269070abe9c45dc60abc84e29326f855317eac
Analyze and fix the following issue in the Linux kernel code: drm/i915: correct the input parameter on _intel_dsb_commit()
Problem Details: Current, the dewake_scanline variable is defined as unsigned int, an unsigned int variable that is always greater than or equal to 0. when _intel_dsb_commit function is called by intel_dsb_commit function, the dewake_scanline variable may have an int value. So the dewake_scanline variable is necessary ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 78b6fe24dcd8..7fd6280c54a7 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -340,7 +340,7 @@ static int intel_dsb_dewake_scanline(const struct intel_crtc_...
dd7eb65c493615fda7d459501c3d4a46e00ea5ba
Analyze and fix the following issue in the Linux kernel code: drm/i915/mst: Reject modes that require the bigjoiner
Problem Details: We have no bigjoiner support in the MST code, so .mode_valid() pretending otherwise is just going to result black screens for users. Reject any mode that needs the joiner. Cc: stable@vger.kernel.org Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Fixes: d51f25eb479a ("drm/i915: Add DSC support...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 1bf21bd9a26b..aa1061262613 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -997,6 +997,10 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector...
7cf82b25dd91d7f330d9df2de868caca14289ba1
Analyze and fix the following issue in the Linux kernel code: drm/i915/mst: Fix .mode_valid_ctx() return values
Problem Details: .mode_valid_ctx() returns an errno, not the mode status. Fix the code to do the right thing. Cc: stable@vger.kernel.org Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Fixes: d51f25eb479a ("drm/i915: Add DSC support to MST path") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Lin...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 4816e4e77f83..1bf21bd9a26b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -1031,11 +1031,15 @@ intel_dp_mst_mode_valid_ctx(struct drm_connec...
20c2dbff342aec13bf93c2f6c951da198916a455
Analyze and fix the following issue in the Linux kernel code: drm/i915: Skip some timing checks on BXT/GLK DSI transcoders
Problem Details: Apparently some BXT/GLK systems have DSI panels whose timings don't agree with the normal cpu transcoder hblank>=32 limitation. This is perhaps fine as there are no specific hblank/etc. limits listed for the BXT/GLK DSI transcoders. Move those checks out from the global intel_mode_valid() into into co...
```diff diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index c4585e445198..67143a0f5189 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1440,6 +1440,13 @@ static void gen11_dsi_post_disable(struct intel_atomic_state *stat...
209043cf092d7b0d4739921b3f11d6d0b451eabf
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mp: imx8mq: Add parkmode-disable-ss-quirk on DWC3
Problem Details: The i.MX8MP and i.MX8MQ devices both use the same DWC3 controller and are both affected by a known issue with the controller due to specific behaviour when park mode is enabled in SuperSpeed host mode operation. Under heavy USB traffic from multiple endpoints the controller will sometimes incorrectly ...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index c9a610ba4836..1264da6012f9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -2072,6 +2072,7 @@ phys = <&usb3_phy0>, <&usb3_phy0>; phy-names ...
26513300978f7285c3e776c144f27ef71be61f57
Analyze and fix the following issue in the Linux kernel code: drm/bridge: tc358768: select CONFIG_VIDEOMODE_HELPERS
Problem Details: A dependency on this feature was recently introduced: x86_64-linux-ld: vmlinux.o: in function `tc358768_bridge_pre_enable': tc358768.c:(.text+0xbe3dae): undefined reference to `drm_display_mode_to_videomode' Make sure this is always enabled. Fixes: e5fb21678136 ("drm/bridge: tc358768: Use struct vid...
```diff diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index ba82a1142adf..3e6a4e2044c0 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -313,6 +313,7 @@ config DRM_TOSHIBA_TC358768 select REGMAP_I2C select DRM_PANEL select DRM_MIPI_DSI + select VID...
ca4ef28d0ad831d2521fa2b16952f37fd9324ca3
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix a NULL vs IS_ERR() check
Problem Details: The mlx5_esw_offloads_devlink_port() function returns error pointers, not NULL. Fixes: 7bef147a6ab6 ("net/mlx5: Don't skip vport check") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 3ab682bbcf86..1bf7540a65ad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1497,7 +1497,7 @@ mlx5e_vport_vf_rep_load(str...
7aaf975238c47b710fcc4eca0da1e7902a53abe2
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Check netdev pointer before checking its net ns
Problem Details: Previously, when comparing the net namespaces, the case where the netdev doesn't exist wasn't taken into account, and therefore can cause a crash. In such a case, the comparing function should return false, as there is no netdev->net to compare the devlink->net to. Furthermore, this will result in an ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index bf78eeca401b..bb8bcb448ae9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -3653,...
3d7a3f2612d75de5f371a681038b089ded6667eb
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Nack sync reset request when HotPlug is enabled
Problem Details: Current sync reset flow is not supported when PCIe bridge connected directly to mlx5 device has HotPlug interrupt enabled and can be triggered on link state change event. Return nack on reset request in such case. Fixes: 92501fa6e421 ("net/mlx5: Ack on sync_reset_request only if PF can do reset_now") ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c index b568988e92e3..c4e19d627da2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c @@ -325,6 +325,29 @@ static void mlx5_fw_...
ccbe33003b109f14c4dde2a4fca9c2a50c423601
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: TC, Don't offload post action rule if not supported
Problem Details: If post action is not supported, eg. ignore_flow_level is not supported, don't offload post action rule. Otherwise, will hit panic [1]. Fix it by checking if post action table is valid or not. [1] [445537.863880] BUG: unable to handle page fault for address: ffffffffffffffb1 [445537.864617] #PF: supe...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c index 4e923a2874ae..86bf007fd05b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c @@ -83,6 +83,9 @@...
eab0da38912ebdad922ed0388209f7eb0a5163cd
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix possible deadlock on mlx5e_tx_timeout_work
Problem Details: Due to the cited patch, devlink health commands take devlink lock and this may result in deadlock for mlx5e_tx_reporter as it takes local state_lock before calling devlink health report and on the other hand devlink health commands such as diagnose for same reporter take local state_lock after taking d...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index b2a5da9739d2..729a11b5fb25 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -826,6 +826,7 @@ enum { MLX5E_STATE_DESTROYING, MLX5E_STAT...
762a55a54eec4217e4cec9265ab6e5d4c11b61bd
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Disable IPsec offload support if not FW steering
Problem Details: IPsec FDB offload can only work with FW steering as of now, disable the cap upon non FW steering. And since the IPSec cap is dynamic now based on steering mode. Cleanup the resources if they exist instead of checking the IPsec cap again. Fixes: edd8b295f9e2 ("Merge branch 'mlx5-ipsec-packet-offload-s...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 914b9e6eb7db..161c5190c236 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -935,9 +935,11...
4e25b661f484df54b6751b65f9ea2434a3b67539
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Check the number of elements before walk TC rhashtable
Problem Details: After IPSec TX tables are destroyed, the flow rules in TC rhashtable, which have the destination to IPSec, are restored to the original one, the uplink. However, when the device is in switchdev mode and unload driver with IPSec rules configured, TC rhashtable cleanup is done before IPSec cleanup, whic...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c index 5a0047bdcb51..190f10aba170 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c @@ -152,7 +152,7 @@ void ...
baac8351f74c543896b8fd40138b7ad9365587a3
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Reduce eswitch mode_lock protection context
Problem Details: Currently eswitch mode_lock is so heavy, for example, it's locked during the whole process of the mode change, which may need to hold other locks. As the mode_lock is also used by IPSec to block mode and encap change now, it is easy to cause lock dependency. Since some of protections are also done by ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c index 7a789061c998..c1e89dc77db9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c @@ -2...
c2bf84f1d1a1595dcc45fe867f0e02b331993fee
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Tidy up IPsec NAT-T SA discovery
Problem Details: IPsec NAT-T packets are UDP encapsulated packets over ESP normal ones. In case they arrive to RX, the SPI and ESP are located in inner header, while the check was performed on outer header instead. That wrong check caused to the situation where received rekeying request was missed and caused to rekey ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c index aeb399d8dae5..7a789061c998 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c @@ -1...
dddb49b63d8683be81cff220b94a0196c1367b74
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Add IPsec and ASO syndromes check in HW
Problem Details: After IPsec decryption it isn't enough to only check the IPsec syndrome but need to also check the ASO syndrome in order to verify that the operation was actually successful. Verify that both syndromes are actually zero and in case not drop the packet and increment the appropriate flow counter for the...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h index c3a40bf11952..adaea3493193 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h @@ -189,11 +189,1...
5ad00dee43b98129b86930d457b983d4d04dc553
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Remove exposure of IPsec RX flow steering struct
Problem Details: After previous commit, which unified various IPsec creation modes, there is no need to have struct mlx5e_ipsec_rx exposed in global IPsec header. Move it to ipsec_fs.c to be placed together with already existing struct mlx5e_ipsec_tx. Fixes: 1762f132d542 ("net/mlx5e: Support IPsec packet offload for R...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h index 8f4a37bceaf4..c3a40bf11952 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h @@ -201,19 +201,6...
94af50c0a9bb961fe93cf0fdd14eb0883da86721
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Unify esw and normal IPsec status table creation/destruction
Problem Details: Change normal IPsec flow to use the same creation/destruction functions for status flow table as that of ESW, which first of all refines the code to have less code duplication. And more importantly, the ESW status table handles IPsec syndrome checks at steering by HW, which is more efficient than the ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c index f41c976dc33f..85ed5171e835 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c @@ -1...
3d42c8cc67a8fcbff0181f9ed6d03d353edcee07
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Ensure that IPsec sequence packet number starts from 1
Problem Details: According to RFC4303, section "3.3.3. Sequence Number Generation", the first packet sent using a given SA will contain a sequence number of 1. However if user didn't set seq/oseq, the HW used zero as first sequence packet number. Such misconfiguration causes to drop of first packet if replay window pr...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 4028932d93ce..914b9e6eb7db 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -121,7 +121,14...
a5e400a985df8041ed4659ed1462aa9134318130
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Honor user choice of IPsec replay window size
Problem Details: Users can configure IPsec replay window size, but mlx5 driver didn't honor their choice and set always 32bits. Fix assignment logic to configure right size from the beginning. Fixes: 7db21ef4566e ("net/mlx5e: Set IPsec replay sequence numbers") Reviewed-by: Patrisious Haddad <phaddad@nvidia.com> Signe...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 655496598c68..4028932d93ce 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -335,6 +335,27...
4b3338aaa74d7d4ec5b6734dc298f0db94ec83d2
Analyze and fix the following issue in the Linux kernel code: powerpc/ftrace: Fix stack teardown in ftrace_no_trace
Problem Details: Commit 41a506ef71eb ("powerpc/ftrace: Create a dummy stackframe to fix stack unwind") added use of a new stack frame on ftrace entry to fix stack unwind. However, the commit missed updating the offset used while tearing down the ftrace stack when ftrace is disabled. Fix the same. In addition, the comm...
```diff diff --git a/arch/powerpc/kernel/trace/ftrace_entry.S b/arch/powerpc/kernel/trace/ftrace_entry.S index 90701885762c..40677416d7b2 100644 --- a/arch/powerpc/kernel/trace/ftrace_entry.S +++ b/arch/powerpc/kernel/trace/ftrace_entry.S @@ -62,7 +62,7 @@ .endif /* Save previous stack pointer (r1) */ - addi r8, ...
37e4b8df27bc68340f3fc80dbb27e3549c7f881c
Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix FPE events losing
Problem Details: The status bits of register MAC_FPE_CTRL_STS are clear on read. Using 32-bit read for MAC_FPE_CTRL_STS in dwmac5_fpe_configure() and dwmac5_fpe_send_mpacket() clear the status bits. Then the stmmac interrupt handler missing FPE event status and leads to FPE handshaking failure and retries. To avoid cle...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index e95d35f1e5a0..8fd167501fa0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -710,28 +710,22 @@ void dwmac5_est_irq_status(void __iomem *io...
adbf100fc47001c93d7e513ecac6fd6e04d5b4a1
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: consider both Rx and Tx packet stats for adaptive interrupt coalescing
Problem Details: The current adaptive interrupt coalescing code updates only rx packet stats for dim algorithm. This patch also updates tx packet stats which will be useful when there is only tx traffic. Also moved configuring hardware adaptive interrupt setting to driver dim callback. Fixes: 6e144b47f560 ("octeontx2-...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 532e324bdcc8..0c17ebdda148 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1688,6 +1688,14 @@ static voi...
6b17a597fc2f13aaaa0a2780eb7edb9ae7ac9aea
Analyze and fix the following issue in the Linux kernel code: arcnet: restoring support for multiple Sohard Arcnet cards
Problem Details: Probe of Sohard Arcnet cards fails, if 2 or more cards are installed in a system. See kernel log: [ 2.759203] arcnet: arcnet loaded [ 2.763648] arcnet:com20020: COM20020 chipset support (by David Woodhouse et al.) [ 2.770585] arcnet:com20020_pci: COM20020 PCI support [ 2.772295] com20020 00...
```diff diff --git a/drivers/net/arcnet/arcdevice.h b/drivers/net/arcnet/arcdevice.h index 19e996a829c9..b54275389f8a 100644 --- a/drivers/net/arcnet/arcdevice.h +++ b/drivers/net/arcnet/arcdevice.h @@ -186,6 +186,8 @@ do { \ #define ARC_IS_5MBIT 1 /* card default speed is 5MBit */ #define ARC_CAN_10MBIT...
1624918be84a8bcc4f592e55635bc4fe4a96460a
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add test cases for inner map
Problem Details: Add test cases to test the race between the destroy of inner map due to map-in-map update and the access of inner map in bpf program. The following 4 combinations are added: (1) array map in map array + bpf program (2) array map in map array + sleepable bpf program (3) array map in map htab + bpf progr...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/map_in_map.c b/tools/testing/selftests/bpf/prog_tests/map_in_map.c new file mode 100644 index 000000000000..d2a10eb4e5b5 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/map_in_map.c @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyrigh...
876673364161da50eed6b472d746ef88242b2368
Analyze and fix the following issue in the Linux kernel code: bpf: Defer the free of inner map when necessary
Problem Details: When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpf_map_fd_put_ptr() decreases the ref-counter of the inner map directly through bpf_map_put(), if the ref-counter is the last one (which is true for mos...
```diff diff --git a/include/linux/bpf.h b/include/linux/bpf.h index d273348cfb2f..de3bd03cbeea 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -276,7 +276,11 @@ struct bpf_map { */ atomic64_t refcnt ____cacheline_aligned; atomic64_t usercnt; - struct work_struct work; + /* rcu is used before freei...
79d93b3c6ffd79abcd8e43345980aa1e904879c4
Analyze and fix the following issue in the Linux kernel code: bpf: Set need_defer as false when clearing fd array during map free
Problem Details: Both map deletion operation, map release and map free operation use fd_array_map_delete_elem() to remove the element from fd array and need_defer is always true in fd_array_map_delete_elem(). For the map deletion operation and map release operation, need_defer=true is necessary, because the bpf program...
```diff diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index f9aed5909d6e..4a4a67956e21 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -871,7 +871,7 @@ int bpf_fd_array_map_update_elem(struct bpf_map *map, struct file *map_file, return 0; } -static long fd_array_map_delete_elem(struc...
20c20bd11a0702ce4dc9300c3da58acf551d9725
Analyze and fix the following issue in the Linux kernel code: bpf: Add map and need_defer parameters to .map_fd_put_ptr()
Problem Details: map is the pointer of outer map, and need_defer needs some explanation. need_defer tells the implementation to defer the reference release of the passed element and ensure that the element is still alive before the bpf program, which may manipulate it, exits. The following three cases will invoke map_...
```diff diff --git a/include/linux/bpf.h b/include/linux/bpf.h index eb447b0a9423..d273348cfb2f 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -106,7 +106,11 @@ struct bpf_map_ops { /* funcs called by prog_array and perf_event_array map */ void *(*map_fd_get_ptr)(struct bpf_map *map, struct file *map...
169410eba271afc9f0fb476d996795aa26770c6d
Analyze and fix the following issue in the Linux kernel code: bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers
Problem Details: These three bpf_map_{lookup,update,delete}_elem() helpers are also available for sleepable bpf program, so add the corresponding lock assertion for sleepable bpf program, otherwise the following warning will be reported when a sleepable bpf program manipulates bpf map under interpreter mode (aka bpf_ji...
```diff diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index b45a8381f9bd..ee9bdf29246a 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -32,12 +32,13 @@ * * Different map implementations will rely on rcu in map methods * lookup/update/delete, therefore eBPF programs must run under rcu lo...
4bc736f890cec126246a1d65d3b556763670a8d4
Analyze and fix the following issue in the Linux kernel code: drm/imagination: vm: make use of GPUVM's drm_exec helper
Problem Details: Make use of GPUVM's drm_exec helper functions preventing direct access to GPUVM internal data structures, such as the external object list. This is especially important to ensure following the locking rules around the GPUVM external object list. Fixes: ff5f643de0bf ("drm/imagination: Add GEM and VM r...
```diff diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c index 6f4e07effad2..f42345fbe4bf 100644 --- a/drivers/gpu/drm/imagination/pvr_vm.c +++ b/drivers/gpu/drm/imagination/pvr_vm.c @@ -327,48 +327,6 @@ err_bind_op_fini: return err; } -static int -pvr_vm_bind_op_lock_resvs(...
659aa050a53817157b7459529538598a6449c1d3
Analyze and fix the following issue in the Linux kernel code: kernel/resource: Increment by align value in get_free_mem_region()
Problem Details: Currently get_free_mem_region() searches for available capacity in increments equal to the region size being requested. This can cause the search to take giant steps through the resource leaving needless gaps and missing available space. Specifically 'cxl create-region' fails with ERANGE even though c...
```diff diff --git a/kernel/resource.c b/kernel/resource.c index 866ef3663a0b..91be1bc50b60 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -1844,8 +1844,8 @@ get_free_mem_region(struct device *dev, struct resource *base, write_lock(&resource_lock); for (addr = gfr_start(base, size, align, flags); - ...
9dad4d964291295ef48243d4e03972b85138bc9f
Analyze and fix the following issue in the Linux kernel code: f2fs: fix write pointers on zoned device after roll forward
Problem Details: 1. do roll forward recovery 2. update current segments pointers 3. fix the entire zones' write pointers 4. do checkpoint Reviewed-by: Daeho Jeong <daehojeong@google.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index 16415c770b45..d0f24ccbd1ac 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -917,6 +917,8 @@ skip: if (!err && fix_curseg_write_pointer && !f2fs_readonly(sbi->sb) && f2fs_sb_has_blkzoned(sbi)) { err = f2fs_fix_curseg_write_pointer(sb...
46b1f1b839cad600de3ad7ed999bd0155c528746
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: populate SSPP scaler block version
Problem Details: The function _dpu_hw_sspp_setup_scaler3() passes and dpu_hw_setup_scaler3() uses scaler_blk.version to determine in which way the scaler (QSEED3) block should be programmed. However up to now we were not setting this field. Set it now, splitting the vig_sblk data which has different version fields. Re...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h index 9392ad2b4d3f..c022e57864a4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_0_sm8150.h @@ -77,7 +77,7 @@ static ...
162c79731448a5a052e93af7753df579dfe0bf7a
Analyze and fix the following issue in the Linux kernel code: binder: avoid user addresses in debug logs
Problem Details: Prefer logging vma offsets instead of addresses or simply drop the debug log altogether if not useful. Note this covers the instances affected by the switch to store addresses as unsigned long. However, there are other sections in the driver that could do the same. Signed-off-by: Carlos Llamas <cmllam...
```diff diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 45674af6310f..c4bb18305e77 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5980,9 +5980,9 @@ static void print_binder_transaction_ilocked(struct seq_file *m, } if (buffer->target_node) seq_printf(m, " node %d"...
f07b83a48e944c8a1cc1e9f6703fae5e34df2ba4
Analyze and fix the following issue in the Linux kernel code: binder: refactor binder_delete_free_buffer()
Problem Details: Skip the freelist call immediately as needed, instead of continuing the pointless checks. Also, drop the debug logs that we don't really need. Signed-off-by: Carlos Llamas <cmllamas@google.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20231201172212.1813387-26-cml...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 60c829506d31..c3fc90966867 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -636,48 +636,26 @@ static unsigned long prev_buffer_end_page(struct binder_buffer *buffer) static void binder_delete_...
258ce20ede33c551002705fa1488864fb287752c
Analyze and fix the following issue in the Linux kernel code: binder: remove redundant debug log
Problem Details: The debug information in this statement is already logged earlier in the same function. We can get rid of this duplicate log. Signed-off-by: Carlos Llamas <cmllamas@google.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20231201172212.1813387-21-cmllamas@google.com ...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 551f08e84408..c9292eee8fee 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -512,9 +512,6 @@ static struct binder_buffer *binder_alloc_new_buf_locked( buffer->free = 0; buffer->allow_user_fr...
377e1684db7a1e23261f3c3ebf76523c0554d512
Analyze and fix the following issue in the Linux kernel code: binder: do unlocked work in binder_alloc_new_buf()
Problem Details: Extract non-critical sections from binder_alloc_new_buf_locked() that don't require holding the alloc->mutex. While we are here, consolidate the checks for size overflow and zero-sized padding into a separate sanitized_size() helper function. Also add a few touchups to follow the coding guidelines. S...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 3051ea7ca44f..40a2ca0c0dea 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -363,9 +363,7 @@ static bool debug_low_async_space_locked(struct binder_alloc *alloc, int pid) static struct binder...
e1090371e02b601cbfcea175c2a6cc7c955fa830
Analyze and fix the following issue in the Linux kernel code: binder: fix comment on binder_alloc_new_buf() return value
Problem Details: Update the comments of binder_alloc_new_buf() to reflect that the return value of the function is now ERR_PTR(-errno) on failure. No functional changes in this patch. Cc: stable@vger.kernel.org Fixes: 57ada2fb2250 ("binder: add log information for binder transaction failures") Reviewed-by: Alice Ryhl...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index a124d2743c69..a56cbfd9ba44 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -556,7 +556,7 @@ err_alloc_buf_struct_failed: * is the sum of the three given sizes (each rounded up to * pointer-...
122a3c1cb0ff304c2b8934584fcfea4edb2fe5e3
Analyze and fix the following issue in the Linux kernel code: binder: fix trivial typo of binder_free_buf_locked()
Problem Details: Fix minor misspelling of the function in the comment section. No functional changes in this patch. Cc: stable@vger.kernel.org Fixes: 0f966cba95c7 ("binder: add flag to clear buffer on txn complete") Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Carlos Llamas <cmllamas@google.com> Link...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 9b5c4d446efa..a124d2743c69 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -704,7 +704,7 @@ void binder_alloc_free_buf(struct binder_alloc *alloc, /* * We could eliminate the call to binde...
c6d05e0762ab276102246d24affd1e116a46aa0c
Analyze and fix the following issue in the Linux kernel code: binder: fix unused alloc->free_async_space
Problem Details: Each transaction is associated with a 'struct binder_buffer' that stores the metadata about its buffer area. Since commit 74310e06be4d ("android: binder: Move buffer out of area shared with user space") this struct is no longer embedded within the buffer itself but is instead allocated on the heap to p...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index abff1bafcc43..9b5c4d446efa 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -344,8 +344,7 @@ static bool debug_low_async_space_locked(struct binder_alloc *alloc, int pid) continue; if (!b...
3091c21d3e9322428691ce0b7a0cfa9c0b239eeb
Analyze and fix the following issue in the Linux kernel code: binder: fix async space check for 0-sized buffers
Problem Details: Move the padding of 0-sized buffers to an earlier stage to account for this round up during the alloc->free_async_space check. Fixes: 74310e06be4d ("android: binder: Move buffer out of area shared with user space") Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Carlos Llamas <cmllamas@g...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index adcec5ec0959..abff1bafcc43 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -407,6 +407,10 @@ static struct binder_buffer *binder_alloc_new_buf_locked( alloc->pid, extra_buffers_size); r...
9a9ab0d963621d9d12199df9817e66982582d5a5
Analyze and fix the following issue in the Linux kernel code: binder: fix race between mmput() and do_exit()
Problem Details: Task A calls binder_update_page_range() to allocate and insert pages on a remote address space from Task B. For this, Task A pins the remote mm via mmget_not_zero() first. This can race with Task B do_exit() and the final mmput() refcount decrement will come from Task A. Task A | Task B ...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 9d2eff70c3ba..adcec5ec0959 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -271,7 +271,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate, } if (mm) { mmap...
3f489c2067c5824528212b0fc18b28d51332d906
Analyze and fix the following issue in the Linux kernel code: binder: fix use-after-free in shinker's callback
Problem Details: The mmap read lock is used during the shrinker's callback, which means that using alloc->vma pointer isn't safe as it can race with munmap(). As of commit dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap") the mmap lock is downgraded after the vma has been isolated. I was able to reprod...
```diff diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 138f6d43d13b..9d2eff70c3ba 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -1005,7 +1005,9 @@ enum lru_status binder_alloc_free_page(struct list_head *item, goto err_mmget; if (!mmap_read_...
6ac061db9c58ca5b9270b1b3940d2464fb3ff183
Analyze and fix the following issue in the Linux kernel code: binder: use EPOLLERR from eventpoll.h
Problem Details: Use EPOLLERR instead of POLLERR to make sure it is cast to the correct __poll_t type. This fixes the following sparse issue: drivers/android/binder.c:5030:24: warning: incorrect type in return expression (different base types) drivers/android/binder.c:5030:24: expected restricted __poll_t dri...
```diff diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 92128aae2d06..71a40a4c546f 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5030,7 +5030,7 @@ static __poll_t binder_poll(struct file *filp, thread = binder_get_thread(proc); if (!thread) - return POLLERR; + r...
e3e82fcb79eeb3f1a88a89f676831773caff514a
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Avoid free the non-cqp_request scratch
Problem Details: When creating ceq_0 during probing irdma, cqp.sc_cqp will be sent as a cqp_request to cqp->sc_cqp.sq_ring. If the request is pending when removing the irdma driver or unplugging its aux device, cqp.sc_cqp will be dereferenced as wrong struct in irdma_free_pending_cqp_request(). PID: 3669 TASK: fff...
```diff diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 64a382070e5c..bd4b2b896444 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -1184,7 +1184,6 @@ static int irdma_create_ceq(struct irdma_pci_f *rf, struct irdma_ceq *iwceq, int status; ...
03769f72d66edab82484449ed594cb6b00ae0223
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Fix support for 64k pages
Problem Details: Virtual QP and CQ require a 4K HW page size but the driver passes PAGE_SIZE to ib_umem_find_best_pgsz() instead. Fix this by using the appropriate 4k value in the bitmap passed to ib_umem_find_best_pgsz(). Fixes: 693a5386eff0 ("RDMA/irdma: Split mr alloc and free into new functions") Link: https://lo...
```diff diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index fb9088392b19..b5eb8d421988 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -2914,7 +2914,7 @@ static struct irdma_mr *irdma_alloc_iwmr(struct ib_umem *region, iwmr->type =...
0a5ec366de7e94192669ba08de6ed336607fd282
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned
Problem Details: The SQ is shared for between kernel and used by storing the kernel page pointer and passing that to a kmap_atomic(). This then requires that the alignment is PAGE_SIZE aligned. Fix by adding an iWarp specific alignment check. Fixes: e965ef0e7b2c ("RDMA/irdma: Split QP handler into irdma_reg_user_mr_...
```diff diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 5fa88e6cca4e..fb9088392b19 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -2946,6 +2946,11 @@ static int irdma_reg_user_mr_type_qp(struct irdma_mem_reg_req req, int err; ...
4fbc3a52cd4d14de3793f4b2c721d7306ea84cf9
Analyze and fix the following issue in the Linux kernel code: RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz
Problem Details: 64k pages introduce the situation in this diagram when the HCA 4k page size is being used: +-------------------------------------------+ <--- 64k aligned VA | | | HCA 4k page | | | +-...
```diff diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index f9ab671c8eda..07c571c7b699 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -96,12 +96,6 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, return page_size; } - /* rdma_for_ea...
08b386b132c61e06e573d6523a8c0c17b90fb8da
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix backing store V2 logic
Problem Details: The current code determines the last backing store valid type during bnxt_hwrm_func_backing_store_qcaps_v2(). In effect, the last type is determined based on what firmware advertises. The more correct way is to determine it based on what the driver is configuring. The driver may not configure all th...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e35e7e02538c..6f37b6ac8996 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7249,7 +7249,6 @@ static int bnxt_hwrm_func_backing_store_qcaps_v2(struct...
db3fadacaf0c817b222090290d06ca2a338422d0
Analyze and fix the following issue in the Linux kernel code: packet: Move reference count in packet_sock to atomic_long_t
Problem Details: In some potential instances the reference count on struct packet_sock could be saturated and cause overflows which gets the kernel a bit confused. To prevent this, move to a 64-bit atomic reference count on 64-bit architectures to prevent the possibility of this type to overflow. Because we can not ha...
```diff diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a84e00b5904b..7adf48549a3b 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4300,7 +4300,7 @@ static void packet_mm_open(struct vm_area_struct *vma) struct sock *sk = sock->sk; if (sk) - atomic_inc(&pkt_sk(sk)->mapped)...
dce94061f0d02f5ab355390a6e63d3dbea938b72
Analyze and fix the following issue in the Linux kernel code: drm/v3d: Fix missing error code in v3d_submit_cpu_ioctl()
Problem Details: Smatch warns: drivers/gpu/drm/v3d/v3d_submit.c:1222 v3d_submit_cpu_ioctl() warn: missing error code 'ret' When there is no job type or job is submitted with wrong number of BOs it is an error path, ret is zero at this point which is incorrect return. Fix this by changing it to -EINVAL. Fixes: aafc...
```diff diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c index d7a9da2484fd..fcff41dd2315 100644 --- a/drivers/gpu/drm/v3d/v3d_submit.c +++ b/drivers/gpu/drm/v3d/v3d_submit.c @@ -1219,11 +1219,13 @@ v3d_submit_cpu_ioctl(struct drm_device *dev, void *data, /* Every CPU job must have a C...
2f03970198d6438d95b96f69041254bd39aafed0
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: topology: Use partial match for disconnecting DAI link and DAI widget
Problem Details: We use partial match for connecting DAI link and DAI widget. We need to use partial match for disconnecting, too. Fixes: fe88788779fc ("ASoC: SOF: topology: Use partial match for connecting DAI link and DAI widget") Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Bard...
```diff diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index 9f717366cddc..c1f66ba0e987 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -1135,7 +1135,7 @@ static void sof_disconnect_dai_widget(struct snd_soc_component *scomp, list_for_each_entry(rtd, &card->rtd_list, list) { ...
e38e252dbceeef7d2f848017132efd68e9ae1416
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: sof_sdw_rt_sdca_jack_common: ctx->headset_codec_dev = NULL
Problem Details: sof_sdw_rt_sdca_jack_exit() are used by different codecs, and some of them use the same dai name. For example, rt712 and rt713 both use "rt712-sdca-aif1" and sof_sdw_rt_sdca_jack_exit(). As a result, sof_sdw_rt_sdca_jack_exit() will be called twice by mc_dailink_exit_loop(). Set ctx->headset_codec_dev ...
```diff diff --git a/sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c b/sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c index e430be7681d2..1e5725f0ae33 100644 --- a/sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c +++ b/sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c @@ -176,6 +176,7 @@ int sof_sdw_r...
486ede0df82dd74472c6f5651e38ff48f7f766c1
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: glk_rt5682_max98357a: fix board id mismatch
Problem Details: The drv_name in enumeration table for ALC5682I-VS codec does not match the board id string in machine driver. Modify the entry of "10EC5682" to enumerate "RTL5682" as well and remove invalid entry. Fixes: 88b4d77d6035 ("ASoC: Intel: glk_rt5682_max98357a: support ALC5682I-VS codec") Reported-by: Curtis...
```diff diff --git a/sound/soc/intel/common/soc-acpi-intel-glk-match.c b/sound/soc/intel/common/soc-acpi-intel-glk-match.c index 387e73100884..8911c90bbaf6 100644 --- a/sound/soc/intel/common/soc-acpi-intel-glk-match.c +++ b/sound/soc/intel/common/soc-acpi-intel-glk-match.c @@ -19,6 +19,11 @@ static const struct snd_so...
2e7c6feb4ef5257189819359e754625ccf5a1d6c
Analyze and fix the following issue in the Linux kernel code: vfio/pds: Add multi-region support
Problem Details: Only supporting a single region/range is limiting, wasteful, and in some cases broken (i.e. when there are large gaps in the iova memory ranges). Fix this by adding support for multiple regions based on what the device tells the driver it can support. Signed-off-by: Brett Creeley <brett.creeley@amd.co...
```diff diff --git a/drivers/vfio/pci/pds/dirty.c b/drivers/vfio/pci/pds/dirty.c index 4824cdfe01ed..8ddf4346fcd5 100644 --- a/drivers/vfio/pci/pds/dirty.c +++ b/drivers/vfio/pci/pds/dirty.c @@ -70,7 +70,7 @@ out_free_region_info: kfree(region_info); } -static int pds_vfio_dirty_alloc_bitmaps(struct pds_vfio_dirty...
3b8f7a24d1fe79cc3fa1da9be5610b9c3aedbc2a
Analyze and fix the following issue in the Linux kernel code: vfio/pds: Only use a single SGL for both seq and ack
Problem Details: Since the seq/ack operations never happen in parallel there is no need for multiple scatter gather lists per region. The current implementation is wasting memory. Fix this by only using a single scatter-gather list for both the seq and ack operations. Signed-off-by: Brett Creeley <brett.creeley@amd.co...
```diff diff --git a/drivers/vfio/pci/pds/dirty.c b/drivers/vfio/pci/pds/dirty.c index 27607d7b9030..4462f6edb0ed 100644 --- a/drivers/vfio/pci/pds/dirty.c +++ b/drivers/vfio/pci/pds/dirty.c @@ -100,35 +100,35 @@ static void pds_vfio_dirty_free_bitmaps(struct pds_vfio_dirty *dirty) } static void __pds_vfio_dirty_fr...
4004497cec3093d7b0087bc70709b45969fa07b6
Analyze and fix the following issue in the Linux kernel code: vfio/pds: Fix calculations in pds_vfio_dirty_sync
Problem Details: The incorrect check is being done for comparing the iova/length being requested to sync. This can cause the dirty sync operation to fail. Fix this by making sure the iova offset added to the requested sync length doesn't exceed the region_size. Also, the region_start is assumed to always be at 0. This...
```diff diff --git a/drivers/vfio/pci/pds/dirty.c b/drivers/vfio/pci/pds/dirty.c index c937aa6f3954..27607d7b9030 100644 --- a/drivers/vfio/pci/pds/dirty.c +++ b/drivers/vfio/pci/pds/dirty.c @@ -478,8 +478,7 @@ static int pds_vfio_dirty_sync(struct pds_vfio_pci_device *pds_vfio, pds_vfio->vf_id, iova, length, pds_vf...
f88d811a238b12a261a04f125db952cf05c06d0b
Analyze and fix the following issue in the Linux kernel code: bcachefs: Don't run indirect extent trigger unless inserting/deleting
Problem Details: This fixes a transaction path overflow reported in the snapshot deletion path, when moving extents to the correct snapshot. The root of the issue is that creating/deleting a reflink pointer can generate an unbounded number of updates, if it is allowed to reference an unbounded number of indirect exten...
```diff diff --git a/fs/bcachefs/reflink.c b/fs/bcachefs/reflink.c index 6e1bfe9feb59..37d16e04e671 100644 --- a/fs/bcachefs/reflink.c +++ b/fs/bcachefs/reflink.c @@ -121,6 +121,14 @@ int bch2_trans_mark_reflink_v(struct btree_trans *trans, { check_indirect_extent_deleting(new, &flags); + if (old.k->type == KEY_TY...
131898b0cb4ac6598d3537eeeee2711dec129f51
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix bch2_extent_drop_ptrs() call
Problem Details: Also, make bch2_extent_drop_ptrs() safer, so it works with extents and non-extents iterators. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c index 71aa5e59787b..2418c528c533 100644 --- a/fs/bcachefs/data_update.c +++ b/fs/bcachefs/data_update.c @@ -471,7 +471,7 @@ int bch2_extent_drop_ptrs(struct btree_trans *trans, * we aren't using the extent overwrite path to delete, we're *...
87b0d8d3d05028c59b64c0287efeca90c28e1152
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix a journal deadlock in replay
Problem Details: Recently, journal pre-reservations were removed. They were for reserving space ahead of time in the journal for operations that are required for journal reclaim, e.g. btree key cache flushing and interior node btree updates. Instead we have watermarks - only operations for journal reclaim are allowed ...
```diff diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c index 6697417273aa..26be38ab6ecb 100644 --- a/fs/bcachefs/btree_update_interior.c +++ b/fs/bcachefs/btree_update_interior.c @@ -1056,6 +1056,17 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path, ...
ef6fae4a13aecfa7966edff0445e5c920ad2ddd9
Analyze and fix the following issue in the Linux kernel code: bcachefs; Don't use btree write buffer until journal replay is finished
Problem Details: The keys being replayed by journal replay have to be synchronized with updates by other threads that overwrite them. We rely on btree node locks for synchronizing - but since btree write buffer updates take no btree locks, that won't work. Instead, simply disable using the btree write buffer until jou...
```diff diff --git a/fs/bcachefs/btree_update.c b/fs/bcachefs/btree_update.c index 324767c0ddcc..25fdca00bf7b 100644 --- a/fs/bcachefs/btree_update.c +++ b/fs/bcachefs/btree_update.c @@ -554,6 +554,19 @@ int __must_check bch2_trans_update_seq(struct btree_trans *trans, u64 seq, BTREE_UPDATE_PREJOURNAL); } +s...
c13c823a78b77ea0e5f1f73112d910e259911101
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
Problem Details: The rk3399-gru PCI node addresses are wrong. In rk3399-gru-scarlet, the bus number in the address should be 0. This is because bus number assignment is dynamic and not known up front. For FDT, the bus number is simply ignored. In rk3399-gru-chromebook, the addresses are simply invalid. The first "reg...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi index 5c1929d41cc0..cacbad35cfc8 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi @@ -509,8 +509,7 @@ a...
c54fc3a4f375663f2361a9cbb2955fb4ef912879
Analyze and fix the following issue in the Linux kernel code: cifs: Fix flushing, invalidation and file size with FICLONE
Problem Details: Fix a number of issues in the cifs filesystem implementation of the FICLONE ioctl in cifs_remap_file_range(). This is analogous to the previously fixed bug in cifs_file_copychunk_range() and can share the helper functions. Firstly, the invalidation of the destination range is handled incorrectly: We ...
```diff diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index 8097a9b3e98c..c5fc0a35bb19 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -1268,9 +1268,12 @@ static loff_t cifs_remap_file_range(struct file *src_file, loff_t off, { struct inode *src_inode = file_inode(src_file); stru...
7b2404a886f8b91250c31855d287e632123e1746
Analyze and fix the following issue in the Linux kernel code: cifs: Fix flushing, invalidation and file size with copy_file_range()
Problem Details: Fix a number of issues in the cifs filesystem implementation of the copy_file_range() syscall in cifs_file_copychunk_range(). Firstly, the invalidation of the destination range is handled incorrectly: We shouldn't just invalidate the whole file as dirty data in the file may get lost and we can't just ...
```diff diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index ea3a7a668b45..8097a9b3e98c 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -1196,6 +1196,72 @@ const struct inode_operations cifs_symlink_inode_ops = { .listxattr = cifs_listxattr, }; +/* + * Advance the EOF marker to af...
815f986f33eeb06652d59d8a4d405d4fdb4e59a8
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
Problem Details: The dfi binding does not specify interrupt names, with the interrupts just specifying channels 0-x. So drop the unspecified property. Fixes: 5a6976b1040a ("arm64: dts: rockchip: Add DFI to rk3588s") Reported-by: Jagan Teki <jagan@edgeble.ai> Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de> Lin...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi index 7064c0e9179f..8aa0499f9b03 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi @@ -1362,7 +1362,6 @@ <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH 0>, <...
28b01743ca752cea5ab182297d8b912b22f2a2d1
Analyze and fix the following issue in the Linux kernel code: perf test record user-regs: Fix mask for vg register
Problem Details: The 'vg' register for arm64 shows up in --user_regs as available when masking the variable AT_HWCAP with 1 << 22 returns '1' as done in perf_regs.c. However, in subtests for support of SVE, the check for the 'vg' register is done by masking the variable AT_HWCAP with the value 0x200000 which is equals...
```diff diff --git a/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 b/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 index fbb065842880..bed765450ca9 100644 --- a/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 +++ b/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 @@ -6,4 +...
801207c18834e289960c515bc41d243aa623763b
Analyze and fix the following issue in the Linux kernel code: drm/msm/dp: add a missing unlock in dp_hpd_plug_handle()
Problem Details: When pm_runtime_resume_and_get() fails, unlock before returning. Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP driver") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patc...
```diff diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3a360c87e2dc..20c5cf7986b2 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -564,6 +564,7 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) ret = pm...
4a92a87950c4f86bc372ee3b1da4ba9d092252a9
Analyze and fix the following issue in the Linux kernel code: riscv: Correct type casting in module loading
Problem Details: Use __le16 with le16_to_cpu. Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations") Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Reviewed-by: Samuel Holland <samuel.holland@sifive.com> Tested-by: Samuel Holland <samuel.holland@sifive.com> Tested-by: Björn Töpel <bjorn@rivosinc.com> L...
```diff diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 53593fe58cd8..aac019ed63b1 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -55,7 +55,7 @@ static bool riscv_insn_valid_32bit_offset(ptrdiff_t val) static int riscv_insn_rmw(void *location, u32 keep, u32 set...
d8792a5734b0f3e58b898c2e2f910bfac48e9ee3
Analyze and fix the following issue in the Linux kernel code: riscv: Safely remove entries from relocation list
Problem Details: Use the safe versions of list and hlist iteration to safely remove entries from the module relocation lists. To allow mutliple threads to load modules concurrently, move relocation list pointers onto the stack rather than using global variables. Fixes: 8fd6c5142395 ("riscv: Add remaining module reloca...
```diff diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index 56a8c78e9e21..53593fe58cd8 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -40,15 +40,6 @@ struct relocation_handlers { long buffer); }; -unsigned int initialize_relocation_hashtable(unsigned int num...
1a4402e14fa8fa166cd4afd435b903c7867eb7d5
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: k3-am65: Add full compatible to dss-oldi-io-ctrl node
Problem Details: This matches the binding for this register region which fixes a couple DTS check warnings. While here trim the leading 0s from the "reg" definition. Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com> Link: https://lore.kernel.org/r/20231117141433.9461-1-afd@ti.com...
```diff diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 29048d6577cf..72e7c455bf72 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -498,8 +498,8 @@ }; dss_oldi_io_ctrl: dss-oldi-io-ctrl@41e0 { - comp...
7650862f4e72d2533356ec001b8ea8d5839aced0
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: bytcht_es8316: Determine quirks/routing with codec-dev ACPI DSM
Problem Details: Add support for querying the same ACPI Device-Specific-Method (DSM) as Windows uses to determine things like speaker and mic routing. This avoids the need to add DMI quirks for each new ESS8316 tablet model. This has been tested on the following devices: 1. Chuwi Hi12 CHT with stereo speakers and IN...
```diff diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c index 0d6574678317..1564a88a885e 100644 --- a/sound/soc/intel/boards/bytcht_es8316.c +++ b/sound/soc/intel/boards/bytcht_es8316.c @@ -462,6 +462,66 @@ static const struct dmi_system_id byt_cht_es8316_quirk_table[] = { ...
d0ae9dc48e24f5f704abcbb2dca3e4651bf0ff59
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: Move sof_of_machine_select() to core.c from sof-of-dev.c
Problem Details: Commit 014fdeb0d747 ("ASoC: SOF: Move sof_of_machine_select() to sof-of-dev.c from sof-audio.c") caused a circular dependency between the snd_sof and snd_sof_of modules: depmod: ERROR: Cycle detected: snd_sof -> snd_sof_of -> snd_sof depmod: ERROR: Found 2 modules in dependency cycles! Move the fun...
```diff diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index a2afec8f5879..425b023b03b4 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -144,6 +144,28 @@ void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state) } EXPORT_SYMBOL(sof_set_fw_state); +static struct snd_sof_o...
839a40d1e730977d4448d141fa653517c2959a88
Analyze and fix the following issue in the Linux kernel code: nvme: fix deadlock between reset and scan
Problem Details: If controller reset occurs when allocating namespace, both nvme_reset_work and nvme_scan_work will hang, as shown below. Test Scripts: for ((t=1;t<=128;t++)) do nsid=`nvme create-ns /dev/nvme1 -s 14537724 -c 14537724 -f 0 -m 0 \ -d 0 | awk -F: '{print($NF);}'` nvme attach-ns /dev/...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index d699f0c8b13e..8ebdfd623e0f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3662,6 +3662,14 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) goto out_unlink_ns; down_write(&ctrl->...
20dc66f2d76b4a410df14e4675e373b718babc34
Analyze and fix the following issue in the Linux kernel code: nvme: prevent potential spectre v1 gadget
Problem Details: This patch fixes the smatch warning, "nvmet_ns_ana_grpid_store() warn: potential spectre issue 'nvmet_ana_group_enabled' [w] (local cap)" Prevent the contents of kernel memory from being leaked to user space via speculative execution by using array_index_nospec. Signed-off-by: Nitesh Shetty <nj.shett...
```diff diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index e307a044b1a1..d937fe05129e 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -18,6 +18,7 @@ #include <linux/nvme-keyring.h> #include <crypto/hash.h> #include <crypto/kpp.h> +#include <linux/no...
31e52523267faab5ed8569b9d5c22c9a2283872f
Analyze and fix the following issue in the Linux kernel code: HID: Add quirk for Labtec/ODDOR/aikeec handbrake
Problem Details: This device needs ALWAYS_POLL quirk, otherwise it keeps reconnecting indefinitely. It is a handbrake for sim racing detected as joystick. Reported and tested by GitHub user N0th1ngM4tt3rs. Link: https://github.com/sriemer/fix-linux-mouse issue 22 Signed-off-by: Sebastian Parschauer <s.parschauer@gmx.d...
```diff diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index c6e4e0d1f214..72046039d1be 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -740,6 +740,7 @@ #define USB_VENDOR_ID_LABTEC 0x1020 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 +#define USB_DEVICE_ID_LABTEC_ODDOR_HANDBR...
153de60e8bfb4501e1462a2f74cb787c137b996c
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix spelling mistake "get_signaure_size" -> "get_signature_size"
Problem Details: There is a spelling mistake in an ASSERT_GT message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20231204093940.2611954-1-colin.i.king@gmail.com
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c index 6c90372b772d..ab0f02faa80c 100644 --- a/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c +++ b/tools/testing/selftests/bpf/prog_tests/verify_pkcs7_sig.c @@ -498,7 +49...
b8e0792449928943c15d1af9f63816911d139267
Analyze and fix the following issue in the Linux kernel code: virtio_blk: fix snprintf truncation compiler warning
Problem Details: Commit 4e0400525691 ("virtio-blk: support polling I/O") triggers the following gcc 13 W=1 warnings: drivers/block/virtio_blk.c: In function ‘init_vq’: drivers/block/virtio_blk.c:1077:68: warning: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 7 [-Wformat-tr...
```diff diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index d53d6aa8ee69..47556d8ccc32 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -1019,12 +1019,12 @@ static void virtblk_config_changed(struct virtio_device *vdev) static int init_vq(struct virtio_blk *vblk) { ...
35ddd61cf023b5deb2b7e9f1627abef053281c0a
Analyze and fix the following issue in the Linux kernel code: platform/x86: x86-android-tablets: Fix an IS_ERR() vs NULL check in probe
Problem Details: The spi_new_device() function returns NULL on error, it doesn't return error pointers. Fixes: 70505ea6de24 ("platform/x86: x86-android-tablets: Add support for SPI device instantiation") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/4b1b2395-c7c5-44a4-b0b0-6d0...
```diff diff --git a/drivers/platform/x86/x86-android-tablets/core.c b/drivers/platform/x86/x86-android-tablets/core.c index 6a5975ac3286..f8221a15575b 100644 --- a/drivers/platform/x86/x86-android-tablets/core.c +++ b/drivers/platform/x86/x86-android-tablets/core.c @@ -220,8 +220,8 @@ static __init int x86_instantiate...
cd14dedf15be432066e63783c63d650f2800cd48
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix speakers on XPS 9530 (2023)
Problem Details: XPS 9530 has 2 tweeters and 2 subwoofers powered by CS35L41 amplifier, SPI connected. For subwoofers to work, it requires both to enable amplifier support, and to enable output to subwoofers via 0x17 quirk (similalry to XPS 9510/9520). Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com> Cc:...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index ddd74f5d3b30..1c85e6dcef6c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9705,6 +9705,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0b1a, "Dell Precisio...
d0b3c318e04cc6c4e2a3c30ee0f6f619aa8d0db5
Analyze and fix the following issue in the Linux kernel code: drm/bridge: migrate bridge_chains to per-encoder file
Problem Details: Instead of having a single file with all bridge chains, list bridges under a corresponding per-encoder debugfs directory. While we are at it, also slightly improve the formatting of the bridge data: split a single line entry into multiple lines, include the symbol name of the bridge funcs and add the ...
```diff diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 30d66bee0ec6..cee3188adf3d 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -1347,50 +1347,6 @@ struct drm_bridge *of_drm_find_bridge(struct device_node *np) EXPORT_SYMBOL(of_drm_find_bridge); #endif ...
408d4b33c2440600418a1eb9c89eaa27cf5867ad
Analyze and fix the following issue in the Linux kernel code: iio: adc: MCP3564: fix hardware identification logic
Problem Details: In mcp3564_config() fix the hardware identification logic based on the hardware ID registers. Second part of the code was disabled by an logic error. Fix a typo related to the "MODULE_DESCRIPTION". Fixes: 33ec3e5fc1ea (iio: adc: adding support for MCP3564 ADC) Signed-off-by: Marius Cristea <marius.cri...
```diff diff --git a/drivers/iio/adc/mcp3564.c b/drivers/iio/adc/mcp3564.c index d5fb1cae8aeb..311b613b6057 100644 --- a/drivers/iio/adc/mcp3564.c +++ b/drivers/iio/adc/mcp3564.c @@ -1122,7 +1122,7 @@ static int mcp3564_config(struct iio_dev *indio_dev) enum mcp3564_ids ids; int ret = 0; unsigned int tmp = 0x01; ...
3621df43b07d9a32e18309de569f43a8b6453966
Analyze and fix the following issue in the Linux kernel code: platform/x86/intel/pmc: Add debug attribute for Die C6 counter
Problem Details: Add a "die_c6_us_show" debugfs attribute. Reads the counter value using Intel Platform Monitoring Technology (PMT) driver API. This counter is useful for determining the idle residency of CPUs in the compute tile. Also adds a missing forward declaration for punit_ep which was declared in an earlier up...
```diff diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index 9d3a1b6ef622..983e3a8f4910 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -20,6 +20,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/suspend.h...