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17e28a9aeae40d2de3c1ea3b94819ed94bfd6392
Analyze and fix the following issue in the Linux kernel code: genirq: Fix typo in struct comment
Problem Details: Remove redundant "e" in "assign(e)ments". Signed-off-by: Costa Shulyupin <costa.shul@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20240822123205.2186221-1-costa.shul@redhat.com
```diff diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 694de61e0b38..457151f9f263 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -276,7 +276,7 @@ struct irq_affinity_notify { #define IRQ_AFFINITY_MAX_SETS 4 /** - * struct irq_affinity - Description for automatic...
d19d638b1e6cf746263ef60b7d0dee0204d8216a
Analyze and fix the following issue in the Linux kernel code: x86/syscall: Avoid memcpy() for ia32 syscall_get_arguments()
Problem Details: Modern (fortified) memcpy() prefers to avoid writing (or reading) beyond the end of the addressed destination (or source) struct member: In function ‘fortify_memcpy_chk’, inlined from ‘syscall_get_arguments’ at ./arch/x86/include/asm/syscall.h:85:2, inlined from ‘populate_seccomp_data’ at kern...
```diff diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 2fc7bc3863ff..7c488ff0c764 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -82,7 +82,12 @@ static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, ...
c5ef53420f46c9ca6badca4f4cabacd76de8091e
Analyze and fix the following issue in the Linux kernel code: bpf: Let callers of btf_parse_kptr() track life cycle of prog btf
Problem Details: btf_parse_kptr() and btf_record_free() do btf_get() and btf_put() respectively when working on btf_record in program and map if there are kptr fields. If the kptr is from program BTF, since both callers has already tracked the life cycle of program BTF, it is safe to remove the btf_get() and btf_put()....
```diff diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 5de424d3a795..a4c6538b0ee7 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -3754,6 +3754,7 @@ static int btf_find_field(const struct btf *btf, const struct btf_type *t, return -EINVAL; } +/* Callers have to ensure the life cycle of btf if it is...
b0b2fc815e514221f01384f39fbfbff65d897e1c
Analyze and fix the following issue in the Linux kernel code: jfs: UBSAN: shift-out-of-bounds in dbFindBits
Problem Details: Fix issue with UBSAN throwing shift-out-of-bounds warning. Reported-by: syzbot+e38d703eeb410b17b473@syzkaller.appspotmail.com Signed-off-by: Remington Brasga <rbrasga@uci.edu> Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
```diff diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 5713994328cb..ccdfa38d7a68 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -3022,7 +3022,7 @@ static int dbFindBits(u32 word, int l2nb) /* scan the word for nb free bits at nb alignments. */ - for (bitno = 0; mask != 0; bitno += nb, mask ...
441e36ef5b347d9ab4f54f7b54853266be687556
Analyze and fix the following issue in the Linux kernel code: ovl: ovl_parse_param_lowerdir: Add missed '\n' for pr_err
Problem Details: Add '\n' for pr_err in function ovl_parse_param_lowerdir(), which ensures that error message is displayed at once. Fixes: b36a5780cb44 ("ovl: modify layer parameter parsing") Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> Link: https://lore.kernel.org/r/20240705011510.794025-4-chengzhihao1@huaw...
```diff diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c index 8dd834c7f291..d0568c091341 100644 --- a/fs/overlayfs/params.c +++ b/fs/overlayfs/params.c @@ -449,7 +449,7 @@ static int ovl_parse_param_lowerdir(const char *name, struct fs_context *fc) return 0; if (*name == ':') { - pr_err("cannot appen...
ca76ac36bb6068866feca185045e7edf2a8f392f
Analyze and fix the following issue in the Linux kernel code: ovl: fix wrong lowerdir number check for parameter Opt_lowerdir
Problem Details: The max count of lowerdir is OVL_MAX_STACK[500], which is broken by commit 37f32f526438("ovl: fix memory leak in ovl_parse_param()") for parameter Opt_lowerdir. Since commit 819829f0319a("ovl: refactor layer parsing helpers") and commit 24e16e385f22("ovl: add support for appending lowerdirs one by one"...
```diff diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c index 52e3860973b7..8dd834c7f291 100644 --- a/fs/overlayfs/params.c +++ b/fs/overlayfs/params.c @@ -353,6 +353,8 @@ static void ovl_add_layer(struct fs_context *fc, enum ovl_opt layer, case Opt_datadir_add: ctx->nr_data++; fallthrough; + case Op...
175086cf4acdf4ccd3d7a6bb5c5231ececd6656b
Analyze and fix the following issue in the Linux kernel code: mtd: concat: Use kmemdup_array instead of kmemdup for multiple allocation
Problem Details: When we are allocating an array, using kmemdup_array() to take care about multiplication and possible overflows. Also it makes auditing the code easier. Signed-off-by: Yan Zhen <yanzhen@vivo.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20240823...
```diff diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 193428de6a4b..f56f44aa8625 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -204,7 +204,7 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs, } /* make a copy of vecs */ - vecs_copy = kmemdup(vecs, sizeof...
336c218dd7f0588ed8a7345f367975a00a4f003f
Analyze and fix the following issue in the Linux kernel code: mtd: slram: insert break after errors in parsing the map
Problem Details: GCC 12.3.0 compiler on linux-next next-20240709 tree found the execution path in which, due to lazy evaluation, devlength isn't initialised with the parsed string: 289 while (map) { 290 devname = devstart = devlength = NULL; 291 292 if (!(devname = strsep(&map, ","))) { 293 E("s...
```diff diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 28131a127d06..8297b366a066 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -296,10 +296,12 @@ static int __init init_slram(void) T("slram: devname = %s\n", devname); if ((!map) || (!(devstart = strse...
92f6d4130497f2bedfaf86a4e46e890cf8983307
Analyze and fix the following issue in the Linux kernel code: KVM: Fix coalesced_mmio_has_room() to avoid premature userspace exit
Problem Details: The following calculation used in coalesced_mmio_has_room() to check whether the ring buffer is full is wrong and results in premature exits if the start of the valid entries is in the first half of the ring buffer. avail = (ring->first - last - 1) % KVM_COALESCED_MMIO_MAX; if (avail == 0) /* f...
```diff diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 1b90acb6e3fe..184c5c40c9c1 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -43,7 +43,6 @@ static int coalesced_mmio_in_range(struct kvm_coalesced_mmio_dev *dev, static int coalesced_mmio_has_room(struct kvm_coale...
a204501e1743d695ca2930ed25a2be9f8ced96d3
Analyze and fix the following issue in the Linux kernel code: nfsd: prevent panic for nfsv4.0 closed files in nfs4_show_open
Problem Details: Prior to commit 3f29cc82a84c ("nfsd: split sc_status out of sc_type") states_show() relied on sc_type field to be of valid type before calling into a subfunction to show content of a particular stateid. From that commit, we split the validity of the stateid into sc_status and no longer changed sc_type ...
```diff diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index a20c2c9d7d45..dafff707e23a 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2789,15 +2789,18 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st) deny & NFS4_SHARE_ACCESS_READ ? "r" : "-", deny & NFS4_SHARE_ACCESS...
639766ca10d1e218e257ae7eabe76814bae6ab89
Analyze and fix the following issue in the Linux kernel code: pinctrl: starfive: jh7110: Correct the level trigger configuration of iev register
Problem Details: A mistake was made in level trigger register configuration. Correct it. Fixes: 447976ab62c5 ("pinctrl: starfive: Add StarFive JH7110 sys controller driver") Signed-off-by: Hal Feng <hal.feng@starfivetech.com> Link: https://lore.kernel.org/20240812070108.100923-1-hal.feng@starfivetech.com Signed-off-by...
```diff diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c index 4ce080caa233..1d0d6c224c10 100644 --- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c +++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c @@ -793,12 +793,12 @@ static int jh7110_i...
d3692d95cc4d88114b070ee63cffc976f00f207f
Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: x1e80100: Fix special pin offsets
Problem Details: Remove the erroneus 0x100000 offset to prevent the boards from crashing on pin state setting, as well as for the intended state changes to take effect. Fixes: 05e4941d97ef ("pinctrl: qcom: Add X1E80100 pinctrl driver") Signed-off-by: Konrad Dybcio <quic_kdybcio@quicinc.com> Reviewed-by: Abel Vesa <abe...
```diff diff --git a/drivers/pinctrl/qcom/pinctrl-x1e80100.c b/drivers/pinctrl/qcom/pinctrl-x1e80100.c index 6cd4d10e6fd6..65ed933f05ce 100644 --- a/drivers/pinctrl/qcom/pinctrl-x1e80100.c +++ b/drivers/pinctrl/qcom/pinctrl-x1e80100.c @@ -1805,10 +1805,10 @@ static const struct msm_pingroup x1e80100_groups[] = { [235...
9983a9cd4d429dc9ca01770083c4c1f366214b65
Analyze and fix the following issue in the Linux kernel code: cpufreq/amd-pstate-ut: Don't check for highest perf matching on prefcore
Problem Details: If a system is using preferred cores the highest perf will be inconsistent as it can change from system events. Skip the checks for it. Fixes: e571a5e2068e ("cpufreq: amd-pstate: Update amd-pstate preferred core ranking dynamically") Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Signed-off-...
```diff diff --git a/drivers/cpufreq/amd-pstate-ut.c b/drivers/cpufreq/amd-pstate-ut.c index 66b73c308ce6..b7318669485e 100644 --- a/drivers/cpufreq/amd-pstate-ut.c +++ b/drivers/cpufreq/amd-pstate-ut.c @@ -160,14 +160,17 @@ static void amd_pstate_ut_check_perf(u32 index) lowest_perf = AMD_CPPC_LOWEST_PERF(cap1); ...
166bf8af91225576f85208a31eaedbadd182d1ea
Analyze and fix the following issue in the Linux kernel code: pinctrl: mediatek: common-v2: Fix broken bias-disable for PULL_PU_PD_RSEL_TYPE
Problem Details: Despite its name, commit fed74d75277d ("pinctrl: mediatek: common-v2: Fix bias-disable for PULL_PU_PD_RSEL_TYPE") actually broke bias-disable for PULL_PU_PD_RSEL_TYPE. mtk_pinconf_bias_set_combo() tries every bias method supported by the pin until one succeeds. For PULL_PU_PD_RSEL_TYPE pins, before th...
```diff diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index b7921b59eb7b..54301fbba524 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -709,32 +709,35 @@ static int mtk_pinconf_bias...
1c38a62f15e595346a1106025722869e87ffe044
Analyze and fix the following issue in the Linux kernel code: pinctrl: single: fix potential NULL dereference in pcs_get_function()
Problem Details: pinmux_generic_get_function() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcs_get_function(). Found by code review. Cc: stable@vger.kernel.org Fixes: 571aec4df5b7 ("pinctrl: single: Use generic pinmux helpers for man...
```diff diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 4c6bfabb6bd7..4da3c3f422b6 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -345,6 +345,8 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin, return -ENOTSUPP; ...
c801ed86840ec38b2a9bcafeee3d7c9e14c743f3
Analyze and fix the following issue in the Linux kernel code: interconnect: icc-clk: Add missed num_nodes initialization
Problem Details: With the new __counted_by annotation, the "num_nodes" struct member must be set before accessing the "nodes" array. This initialization was done in other places where a new struct icc_onecell_data is allocated, but this case in icc_clk_register() was missed. Set "num_nodes" after allocation. Fixes: dd...
```diff diff --git a/drivers/interconnect/icc-clk.c b/drivers/interconnect/icc-clk.c index f788db15cd76..b956e4050f38 100644 --- a/drivers/interconnect/icc-clk.c +++ b/drivers/interconnect/icc-clk.c @@ -87,6 +87,7 @@ struct icc_provider *icc_clk_register(struct device *dev, onecell = devm_kzalloc(dev, struct_size(one...
db9e7a83d30821ba50a84e9726099946900abde8
Analyze and fix the following issue in the Linux kernel code: perf/dwc_pcie: Add support for QCOM vendor devices
Problem Details: Update the vendor table with QCOM PCIe vendorid. Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> Reviewed-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20240816-dwc_pmu_fix-v2-4-198b8ab1077c@quicinc.com Signed-off-by: Will Deacon <will@kernel.org>
```diff diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c index f205ecad2e4c..4ca50f9b6dfe 100644 --- a/drivers/perf/dwc_pcie_pmu.c +++ b/drivers/perf/dwc_pcie_pmu.c @@ -107,6 +107,7 @@ struct dwc_pcie_vendor_id { static const struct dwc_pcie_vendor_id dwc_pcie_vendor_ids[] = { {.vendor_id = P...
b94b05478fb6a09033bf70c6edd03f8930a0fe24
Analyze and fix the following issue in the Linux kernel code: perf/dwc_pcie: Always register for PCIe bus notifier
Problem Details: When the PCIe devices are discovered late, the driver can't find the PCIe devices and returns in the init without registering with the bus notifier. Due to that the devices which are discovered late the driver can't register for this. Register for bus notifier & driver even if the device is not found ...
```diff diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c index 85a5155d6018..f205ecad2e4c 100644 --- a/drivers/perf/dwc_pcie_pmu.c +++ b/drivers/perf/dwc_pcie_pmu.c @@ -726,7 +726,6 @@ static struct platform_driver dwc_pcie_pmu_driver = { static int __init dwc_pcie_pmu_init(void) { struct pci_...
96a37ec98664303e581a24934df4350e3a5c7070
Analyze and fix the following issue in the Linux kernel code: Documentation: dwc_pcie_pmu: Update bdf to sbdf
Problem Details: Update document to reflect the driver change to use sbdf instead of bdf alone. Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com> Reviewed-by: Yicong Yang <yangyicong@hisilicon.com> Link: https://lore.kernel.org/r/20240816-dwc_pmu_fix-v2-2-198b8ab1077c@quicinc.com Signed-off-by: Will ...
```diff diff --git a/Documentation/admin-guide/perf/dwc_pcie_pmu.rst b/Documentation/admin-guide/perf/dwc_pcie_pmu.rst index d47cd229d710..39b8e1fdd0cd 100644 --- a/Documentation/admin-guide/perf/dwc_pcie_pmu.rst +++ b/Documentation/admin-guide/perf/dwc_pcie_pmu.rst @@ -46,16 +46,16 @@ Some of the events only exist for...
e669388537c472142804eb5a0449cc23d5409694
Analyze and fix the following issue in the Linux kernel code: perf/dwc_pcie: Fix registration issue in multi PCIe controller instances
Problem Details: When there are multiple of instances of PCIe controllers, registration to perf driver fails with this error. sysfs: cannot create duplicate filename '/devices/platform/dwc_pcie_pmu.0' CPU: 0 PID: 166 Comm: modprobe Not tainted 6.10.0-rc2-next-20240607-dirty Hardware name: Qualcomm SA8775P Ride (DT) Cal...
```diff diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c index c5e328f23841..85a5155d6018 100644 --- a/drivers/perf/dwc_pcie_pmu.c +++ b/drivers/perf/dwc_pcie_pmu.c @@ -556,10 +556,10 @@ static int dwc_pcie_register_dev(struct pci_dev *pdev) { struct platform_device *plat_dev; struct dwc_pcie...
a3dd920977dccc453c550260c4b7605b280b79c3
Analyze and fix the following issue in the Linux kernel code: drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
Problem Details: The alibaba_uncore_pmu driver forgot to clear all interrupt status in the interrupt processing function. After the PMU counter overflow interrupt occurred, an interrupt storm occurred, causing the system to hang. Therefore, clear the correct interrupt status in the interrupt handling function to fix i...
```diff diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c index 38a2947ae813..c6ff1bc7d336 100644 --- a/drivers/perf/alibaba_uncore_drw_pmu.c +++ b/drivers/perf/alibaba_uncore_drw_pmu.c @@ -400,7 +400,7 @@ static irqreturn_t ali_drw_pmu_isr(int irq_num, void *data) } /...
6ef29715ac06fad7b3e43086cb4df97952c3a4de
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Change kfd/svm page fault drain handling
Problem Details: When app unmap vm ranges(munmap) kfd/svm starts drain pending page fault and not handle any incoming pages fault of this process until a deferred work item got executed by default system wq. The time period of "not handle page fault" can be long and is unpredicable. That is advese to kfd performance on...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1468222ea0cd..ad2e469548c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2776,7 +2776,7 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_...
73dd0ad9e5dad53766ea3e631303430116f834b3
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: avoid using null object of framebuffer
Problem Details: Instead of using state->fb->obj[0] directly, get object from framebuffer by calling drm_gem_fb_get_obj() and return error code when object is null to avoid using null object of framebuffer. Fixes: 5d945cbcd4b1 ("drm/amd/display: Create a file dedicated to planes") Signed-off-by: Ma Ke <make24@iscas.ac...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c index 1ff469ef51af..a573a6639898 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c @@ -28,6 +28,7 @@ #i...
4416377ae1fdc41a90b665943152ccd7ff61d3c5
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add list empty check to avoid null pointer issue
Problem Details: Add list empty check to avoid null pointer issues in some corner cases. - list_for_each_entry_safe() 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_aca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c index 929095a2e088..57bda66e85ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c @@ -80,6 +80,9 @@ static void aca_banks_release(struct aca_banks *banks) { struct ...
40318a2406bd426c6f4591269669c04e8eda571d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu/gfx12: set UNORD_DISPATCH in compute MQDs
Problem Details: This needs to be set to 1 to avoid a potential deadlock in the GC 10.x and newer. On GC 9.x and older, this needs to be set to 0. This can lead to hangs in some mixed graphics and compute workloads. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3575 Reviewed-by: Hawking Zhang <Hawking.Zhang...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index f14e27f86e0e..54059cbcfc08 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -3054,7 +3054,7 @@ static int gfx_v12_0_compute_mqd_init(struct amdgpu_device *adev, v...
75f0efbc4b3b088cca20864d055b3854a51b5af0
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Take IOMMU remapping into account for p2p checks
Problem Details: when trying to enable p2p the amdgpu_device_is_peer_accessible() checks the condition where address_mask overlaps the aper_base and hence returns 0, due to which the p2p disables for this platform IOMMU should remap the BAR addresses so the device can access them. Hence check if peer_adev is remapping...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ad97f03f1358..da06705f0026 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3957,6 +3957,27 @@ static void amdgpu_device_check_iommu_direct_map(s...
4ec2caab775606c4bf9d0f026f8942a0b33e2255
Analyze and fix the following issue in the Linux kernel code: media: v4l2-mc: Mark v4l2_pipeline_link_notify() as deprecated
Problem Details: Commit b97213a41140 ("media: v4l2-mc: Make v4l2_pipeline_pm_{get,put} deprecated") marked the v4l2_pipeline_pm_get() and v4l2_pipeline_pm_put() functions as deprecated, but forgot to address the related v4l2_pipeline_link_notify() function similarly. Fix it. Signed-off-by: Laurent Pinchart <laurent.pi...
```diff diff --git a/include/media/v4l2-mc.h b/include/media/v4l2-mc.h index ed0a44b6eada..1837c9fd78cf 100644 --- a/include/media/v4l2-mc.h +++ b/include/media/v4l2-mc.h @@ -178,6 +178,9 @@ void v4l2_pipeline_pm_put(struct media_entity *entity); * @flags: New link flags that will be applied * @notification: The li...
86dfdd8288907f03c18b7fb462e0e232c4f98d89
Analyze and fix the following issue in the Linux kernel code: RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency
Problem Details: In the commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs"), the function flush_workqueue is invoked to flush the work queue iwcm_wq. But at that time, the work queue iwcm_wq was created via the function alloc_ordered_workqueue without the flag WQ_MEM_RECLAIM. Because ...
```diff diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 1a6339f3a63f..7e3a55349e10 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -1182,7 +1182,7 @@ static int __init iw_cm_init(void) if (ret) return ret; - iwcm_wq = alloc_ordered_workqueue(...
444948ee12c298b716635e8c4cd66fa5cd541592
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Fix __bth_set_resv6a
Problem Details: __bth_set_resv6a is used to clear BIT [24, 29] of rxe_bth::qpn, the wrong expression leads other BITs into 1. Link: https://patch.msgid.link/r/20240822065223.1117056-4-pizhenwei@bytedance.com Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_hdr.h b/drivers/infiniband/sw/rxe/rxe_hdr.h index 46f82b27fcd2..1f0322491d8c 100644 --- a/drivers/infiniband/sw/rxe/rxe_hdr.h +++ b/drivers/infiniband/sw/rxe/rxe_hdr.h @@ -234,7 +234,7 @@ static inline void __bth_set_resv6a(void *arg) { struct rxe_bth *bth = arg; ...
938aa9a3334881cd817fdb096426d291a73c4d3d
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Fix misspelling of 'rmda'
Problem Details: Fix 'rmda' into 'RDMA'. Link: https://patch.msgid.link/r/20240822065223.1117056-3-pizhenwei@bytedance.com Signed-off-by: zhenwei pi <pizhenwei@bytedance.com> Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index bf8f4bc8c5c8..c11ab280551a 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -341,7 +341,7 @@ static enum resp_states rxe_resp_check_length(struct rxe_qp *qp, /* * Se...
c52a1e6eb74ffe4f217e9b53ed75440a45b08c4c
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: match both retq/rethunk in verifier_tailcall_jit
Problem Details: Depending on kernel parameters, x86 jit generates either retq or jump to rethunk for 'exit' instruction. The difference could be seen when kernel is booted with and without mitigations=off parameter. Relax the verifier_tailcall_jit test case to match both variants. Fixes: e5bdd6a8be78 ("selftests/bpf:...
```diff diff --git a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c index 06d327cf1e1f..8d60c634a114 100644 --- a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c +++ b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c @@ -59,7 +59,...
ec1f77f6557b46639fa47c6980ef9d38995c1e05
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: test_loader.c:get_current_arch() should not return 0
Problem Details: At the moment, when test_loader.c:get_current_arch() can't determine the arch, it returns 0. The arch check in run_subtest() looks as follows: if ((get_current_arch() & spec->arch_mask) == 0) { test__skip(); return; } Which means that all test_loader based tests would be skipped if arch could n...
```diff diff --git a/tools/testing/selftests/bpf/test_loader.c b/tools/testing/selftests/bpf/test_loader.c index 2ca9b73e5a6b..4223cffc090e 100644 --- a/tools/testing/selftests/bpf/test_loader.c +++ b/tools/testing/selftests/bpf/test_loader.c @@ -336,9 +336,10 @@ static const char *skip_dynamic_pfx(const char *s, const...
e9654659fe3c5387f9eafa861d6cc2ad19dd3c5c
Analyze and fix the following issue in the Linux kernel code: thermal: core: Drop tz field from struct thermal_instance
Problem Details: After recent changes, it is only used for printing a debug message in __thermal_cdev_update() which arguably is not worth preserving. Drop it along with the dev_dbg() statement using it. Link: https://lore.kernel.org/linux-pm/4a8d8f5a-122d-4c26-b8d6-76a65e42216b@linaro.org Signed-off-by: Rafael J. Wy...
```diff diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 8c52746c5eba..4187f207bce9 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -804,7 +804,7 @@ static int thermal_bind_cdev_to_trip(struct thermal_zone_device *tz, dev = kzalloc(sizeof(*dev), GF...
9fba8eb8d55ddd8bb779fee3e36b7d8a6a2924b0
Analyze and fix the following issue in the Linux kernel code: dt-bindings: media: renesas,vin: Add Gen4 family fallback
Problem Details: The Gen4 SoCs V3U, V4H and V4M have a similar video capture pipelines. The datasheets for the SoCs have small nuances around the Pre-Clip registers ELPrC and EPPrC in three use-cases, interlaced images, embedded data and RAW8 input. On V4H the values written to the registers are based on odd numbers w...
```diff diff --git a/Documentation/devicetree/bindings/media/renesas,vin.yaml b/Documentation/devicetree/bindings/media/renesas,vin.yaml index 5539d0f8e74d..aa16f1528f2d 100644 --- a/Documentation/devicetree/bindings/media/renesas,vin.yaml +++ b/Documentation/devicetree/bindings/media/renesas,vin.yaml @@ -52,8 +52,11 @...
8144dbe68c493baa412d78f41a57e90a6461f6c3
Analyze and fix the following issue in the Linux kernel code: thermal: core: Fix rounding of delay jiffies
Problem Details: Using round_jiffies() in thermal_set_delay_jiffies() is invalid because its argument should be time in the future in absolute jiffies and it computes the result with respect to the current jiffies value at the invocation time. Fortunately, in the majority of cases it does not make any difference due t...
```diff diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 534766cecc15..d20636223f19 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -323,11 +323,15 @@ static void thermal_zone_broken_disable(struct thermal_zone_device *tz) static void thermal_zone_d...
d1b35e6d34e9b46fbf98444dd7aa114c032e9ac0
Analyze and fix the following issue in the Linux kernel code: platform/chrome: chromeos_laptop: Use kmemdup_array
Problem Details: Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> Link: https://lore.kernel.org/r/20240823024056.3031644-1-yujiaoliang@vivo.com Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
```diff diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c index a2cdbfbaeae6..3ab668764383 100644 --- a/drivers/platform/chrome/chromeos_laptop.c +++ b/drivers/platform/chrome/chromeos_laptop.c @@ -749,10 +749,9 @@ chromeos_laptop_prepare_i2c_peripherals(struct chromeos_...
5e633f572bbae9397ee50347bbe0529894de4137
Analyze and fix the following issue in the Linux kernel code: pinctrl: renesas: Switch to use kmemdup_array()
Problem Details: Let kmemdup_array() take care of multiplication and possible overflow. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20240822061438.14617-1-shenlichuan@vivo.com Signed-off-by: Geert Uytterhoeven <geert+renesas...
```diff diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 5e3d735a8570..2a73a8c374b3 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -528,8 +528,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map, { uns...
6b08b4ee5e60d8789aeb87250f718ef14bebb90e
Analyze and fix the following issue in the Linux kernel code: powercap: intel_rapl: Change an error pointer to NULL
Problem Details: The rapl_find_package_domain_cpuslocked() function is supposed to return NULL on error. This new error patch returns ERR_PTR(-EINVAL) but none of the callers check for that so it would lead to an Oops. Fixes: 26096aed255f ("powercap/intel_rapl: Fix the energy-pkg event for AMD CPUs") Signed-off-by: D...
```diff diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index a63a4f04063e..5e793b80fd6b 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -2157,7 +2157,7 @@ struct rapl_package *rapl_find_package_domain_cpuslocked(int id, struct rap...
833948fb2b63155847ab691a54800f801555429b
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g044: Correct GICD and GICR sizes
Problem Details: The RZ/G2L(C) SoC is equipped with the GIC-600. The GICD is 64KiB + 64KiB for the MBI alias (in total 128KiB), and the GICR is 128KiB per CPU. Fixes: 68a45525297b2 ("arm64: dts: renesas: Add initial DTSI for RZ/G2{L,LC} SoC's") Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Lin...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi index 47a671661142..6b1c77cd8261 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi @@ -1043,8 +1043,8 @@ #interrupt-cells = <3>; #address-cells = <0...
45afa9eacb59b258d2e53c7f63430ea1e8344803
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g054: Correct GICD and GICR sizes
Problem Details: The RZ/V2L SoC is equipped with the GIC-600. The GICD is 64KiB + 64KiB for the MBI alias (in total 128KiB), and the GICR is 128KiB per CPU. Fixes: 7c2b8198f4f32 ("arm64: dts: renesas: Add initial DTSI for RZ/V2L SoC") Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https:/...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi index 0aace8427be3..01f59914dd09 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi @@ -1051,8 +1051,8 @@ #interrupt-cells = <3>; #address-cells = <0...
ab39547f739236e7f16b8b0a51fdca95cc9cadd3
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g043u: Correct GICD and GICR sizes
Problem Details: The RZ/G2UL SoC is equipped with the GIC-600. The GICD is 64KiB + 64KiB for the MBI alias (in total 128KiB), and the GICR is 128KiB per CPU. Despite the RZ/G2UL SoC being single-core, it has two instances of GICR. Fixes: cf40c9689e510 ("arm64: dts: renesas: Add initial DTSI for RZ/G2UL SoC") Signed-o...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi b/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi index 18ef297db933..20fb5e41c598 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g043u.dtsi @@ -210,8 +210,8 @@ #interrupt-cells = <3>; #address-cells = <0...
ec9532628eb9d82282b8e52fd9c4a3800d87feec
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a08g045: Correct GICD and GICR sizes
Problem Details: The RZ/G3S SoC is equipped with the GIC-600. The GICD is 64KiB + 64KiB for the MBI alias (in total 128KiB), and the GICR is 128KiB per CPU. Despite the RZ/G3S SoC being single-core, it has two instances of GICR. Fixes: e20396d65b959 ("arm64: dts: renesas: Add initial DTSI for RZ/G3S SoC") Signed-off-...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi index 37885cd24f16..e062f5eed638 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi @@ -307,8 +307,8 @@ #interrupt-cells = <3>; #address-cells = <0>;...
39dbbd4e6778ac5580313ba34409855250633c61
Analyze and fix the following issue in the Linux kernel code: pinctrl: samsung: Use kmemdup_array instead of kmemdup for multiple allocation
Problem Details: Let the kmemdup_array() take care about multiplication and possible overflows. Using kmemdup_array() is more appropriate and makes the code easier to audit. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> Link: https://lore.kernel.org/r/20240823114441.50648-1-shenlichuan@vivo.com Signed-off-by: Kr...
```diff diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index e4464ee815f9..675efa5d86a9 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -122,8 +122,8 @@ static int add_map_configs(struct device *dev, struct pin...
8af174ea863c72f25ce31cee3baad8a301c0cf0f
Analyze and fix the following issue in the Linux kernel code: net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response
Problem Details: The mana_hwc_rx_event_handler() / mana_hwc_handle_resp() calls complete(&ctx->comp_event) before posting the wqe back. It's possible that other callers, like mana_create_txq(), start the next round of mana_hwc_send_request() before the posting of wqe. And if the HW is fast enough to respond, it can hit...
```diff diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c index cafded2f9382..a00f915c5188 100644 --- a/drivers/net/ethernet/microsoft/mana/hw_channel.c +++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c @@ -52,9 +52,33 @@ static int mana_hwc_verify_res...
ba7b6633e9afa6b5a788efd533c4bdc6fb1c606d
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmc: Fix SMU command submission path on new AMD platform
Problem Details: The commit 426463d94d45 ("platform/x86/amd/pmc: Send OS_HINT command for new AMD platform") was introduced to enable sending mailbox commands to PMFW on newer platforms. However, it was later discovered that the commit did not configure the correct message port ID (i.e., S2D or PMC). Without this confi...
```diff diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c index c3e51f0a5c33..f0d389cf1ecb 100644 --- a/drivers/platform/x86/amd/pmc/pmc.c +++ b/drivers/platform/x86/amd/pmc/pmc.c @@ -359,6 +359,7 @@ static void amd_pmc_get_ip_info(struct amd_pmc_dev *dev) dev->smu_msg = 0x538; ...
07668fb0f867388bfdac0b60dbf51a4ad789f8e7
Analyze and fix the following issue in the Linux kernel code: media: platform: rzg2l-cru: rzg2l-csi2: Add missing MODULE_DEVICE_TABLE
Problem Details: The rzg2l-csi2 driver can be compiled as a module, but lacks MODULE_DEVICE_TABLE() and will therefore not be loaded automatically. Fix this. Fixes: 51e8415e39a9 ("media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver") Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Laurent ...
```diff diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c index e68fcdaea207..c7fdee347ac8 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c @@ -865,6 +865,7 @@ static co...
880799fc7a3a127c43143935c1a8767d77c19cae
Analyze and fix the following issue in the Linux kernel code: irqchip/irq-msi-lib: Check for NULL ops in msi_lib_irq_domain_select()
Problem Details: The irq_domain passed to msi_lib_irq_domain_select() may not have msi_parent_ops set. There is a NULL pointer check for it, but unfortunately there is a dereference of the parent ops pointer before that. Move the NULL pointer test before the first use of that pointer. This was found on a MacchiatoBin...
```diff diff --git a/drivers/irqchip/irq-msi-lib.c b/drivers/irqchip/irq-msi-lib.c index b5b90003311a..d8e29fc0d406 100644 --- a/drivers/irqchip/irq-msi-lib.c +++ b/drivers/irqchip/irq-msi-lib.c @@ -128,6 +128,9 @@ int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec, const struct msi_parent_...
996b37da1e0f51314d4186b326742c2a95a9f0dd
Analyze and fix the following issue in the Linux kernel code: backing-file: convert to using fops->splice_write
Problem Details: Filesystems may define their own splice write. Therefore, use the file fops instead of invoking iter_file_splice_write() directly. Signed-off-by: Ed Tsai <ed.tsai@mediatek.com> Link: https://lore.kernel.org/r/20240708072208.25244-1-ed.tsai@mediatek.com Fixes: 5ca73468612d ("fuse: implement splice read...
```diff diff --git a/fs/backing-file.c b/fs/backing-file.c index afb557446c27..8860dac58c37 100644 --- a/fs/backing-file.c +++ b/fs/backing-file.c @@ -303,13 +303,16 @@ ssize_t backing_file_splice_write(struct pipe_inode_info *pipe, if (WARN_ON_ONCE(!(out->f_mode & FMODE_BACKING))) return -EIO; + if (!out->f_op-...
fdfa588124b6356cd08e5d3f0c3643c4ec3d6887
Analyze and fix the following issue in the Linux kernel code: arm64: smp: smp_send_stop() and crash_smp_send_stop() should try non-NMI first
Problem Details: When testing hard lockup handling on my sc7180-trogdor-lazor device with pseudo-NMI enabled, with serial console enabled and with kgdb disabled, I found that the stack crawls printed to the serial console ended up as a jumbled mess. After rebooting, the pstore-based console looked fine though. Also, en...
```diff diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 5e18fbcee9a2..33ebcac231da 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -68,7 +68,7 @@ enum ipi_msg_type { IPI_RESCHEDULE, IPI_CALL_FUNC, IPI_CPU_STOP, - IPI_CPU_CRASH_STOP, + IPI_CPU_STOP_NMI, IPI_TIMER, IPI...
71c8e2a7c822ee557b07d9bb49028dd269c87b2e
Analyze and fix the following issue in the Linux kernel code: irqchip/gic-v3: Init SRE before poking sysregs
Problem Details: The GICv3 driver pokes GICv3 system registers in gic_prio_init() before gic_cpu_sys_reg_init() ensures that GICv3 system registers have been enabled by writing to ICC_SRE_EL1.SRE. On arm64 this is benign as has_useable_gicv3_cpuif() runs earlier during cpufeature detection, and this enables the GICv3 ...
```diff diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index c19083bfb943..74f21e03d4a3 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -1154,14 +1154,8 @@ static void gic_update_rdist_properties(void) gic_data.rdists.has_vpend_valid_dirty ? "Valid+Dirty " :...
5225b6562b9a7dc808d5a1e465aaf5e2ebb220cd
Analyze and fix the following issue in the Linux kernel code: kselftest/arm64: signal: fix/refactor SVE vector length enumeration
Problem Details: Currently a number of SVE/SME related tests have almost identical functions to enumerate all supported vector lengths. However over time the copy&pasted code has diverged, allowing some bugs to creep in: - fake_sigreturn_sme_change_vl reports a failure, not a SKIP if only one vector length is support...
```diff diff --git a/tools/testing/selftests/arm64/signal/Makefile b/tools/testing/selftests/arm64/signal/Makefile index 8f5febaf1a9a..edb3613513b8 100644 --- a/tools/testing/selftests/arm64/signal/Makefile +++ b/tools/testing/selftests/arm64/signal/Makefile @@ -23,7 +23,7 @@ $(TEST_GEN_PROGS): $(PROGS) # Common test-...
0cc65482f5b03ac2b1c240bc34665e43ea2d71bb
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: Boards: Fix NULL pointer deref in BYT/CHT boards harder
Problem Details: Since commit 13f58267cda3 ("ASoC: soc.h: don't create dummy Component via COMP_DUMMY()") dummy codecs declared like this: SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); expand to: static struct snd_soc_dai_link_component dummy[] = { }; Which means that dummy is a zero sized a...
```diff diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c index dce6a2086f2a..6da1517c53c6 100644 --- a/sound/soc/intel/boards/bxt_rt298.c +++ b/sound/soc/intel/boards/bxt_rt298.c @@ -605,7 +605,7 @@ static int broxton_audio_probe(struct platform_device *pdev) int i; for (i = 0;...
9ec87c5957ea9bf68d36f5e098605b585b2571e4
Analyze and fix the following issue in the Linux kernel code: OPP: Fix support for required OPPs for multiple PM domains
Problem Details: It has turned out that having _set_required_opps() to recursively call dev_pm_opp_set_opp() to set the required OPPs, doesn't really work as well as we expected. More precisely, at each recursive call to dev_pm_opp_set_opp() we are changing an OPP for a required_dev that belongs to a required-OPP tabl...
```diff diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 5f4598246a87..494f8860220d 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1061,6 +1061,27 @@ static int _set_opp_bw(const struct opp_table *opp_table, return 0; } +static int _set_opp_level(struct device *dev, struct dev_pm_opp *opp) ...
b58b133e680b20d219940e0fdb6f6132c2b60f38
Analyze and fix the following issue in the Linux kernel code: iommu: Handle iommu faults for a bad iopf setup
Problem Details: The iommu_report_device_fault function was updated to return void while assuming that drivers only need to call iommu_report_device_fault() for reporting an iopf. This implementation causes following problems: 1. The drivers rely on the core code to call it's page_reponse, however, when a fault is ...
```diff diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index a31460f9f3d4..ed2b106e02dd 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -1777,7 +1777,7 @@ static int arm_smmu_handle_evt(struct arm_smmu_...
58cfea648ff3b3bd283c03f094f24d379fe6fa82
Analyze and fix the following issue in the Linux kernel code: drm/i915/vblank: fix context imbalance warnings
Problem Details: When building for xe, we get the context imbalance warning as the actual locking/unlocking is not compiled: ../drivers/gpu/drm/i915/display/intel_vblank.c:306:13: warning: context imbalance in 'intel_vblank_section_enter' - wrong count at exit ../drivers/gpu/drm/i915/display/intel_vblank.c:314:13: war...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c index 551e9ca9bb99..2073e8075af4 100644 --- a/drivers/gpu/drm/i915/display/intel_vblank.c +++ b/drivers/gpu/drm/i915/display/intel_vblank.c @@ -303,21 +303,27 @@ int intel_crtc_scanline_to_hw(struct intel_crtc...
045391a02bd971d431c83ad03f7cc51b6e2fe331
Analyze and fix the following issue in the Linux kernel code: leds: gpio: Set num_leds after allocation
Problem Details: With the new __counted_by annotation, the "num_leds" variable needs to valid for accesses to the "leds" array. This requirement is not met in gpio_leds_create(), since "num_leds" starts at "0", so "leds" index "0" will not be considered valid (num_leds would need to be "1" to access index "0"). Fix th...
```diff diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 83fcd7b6afff..4d1612d557c8 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -150,7 +150,7 @@ static struct gpio_leds_priv *gpio_leds_create(struct device *dev) { struct fwnode_handle *child; struct gpio_leds_priv ...
db841866ecc01ca01ab93282d7809b87568a18ff
Analyze and fix the following issue in the Linux kernel code: rust: list: add List
Problem Details: Add the actual linked list itself. The linked list uses the following design: The List type itself just has a single pointer to the first element of the list. And the actual list items then form a cycle. So the last item is `first->prev`. This is slightly different from the usual kernel linked list. ...
```diff diff --git a/rust/kernel/list.rs b/rust/kernel/list.rs index 670d53989b8f..a87deadcfcc2 100644 --- a/rust/kernel/list.rs +++ b/rust/kernel/list.rs @@ -6,6 +6,7 @@ use crate::init::PinInit; use crate::types::Opaque; +use core::marker::PhantomData; use core::ptr; mod impl_list_item_mod; @@ -14,7 +15,42 @@...
4626eb9ad822cd688717fbd797ad23d1730d170f
Analyze and fix the following issue in the Linux kernel code: Staging: rtl8192e: Fix parenthesis alignment
Problem Details: Fix parenthesis alingment in rtl92e_leisure_ps_enter to silence the following checkpatch.pl warning: CHECK: Alignment should match open parenthesis Signed-off-by: Gabriel Maciel Raad <ffunctor@gmail.com> Link: https://lore.kernel.org/r/20240823000838.8207-2-ffunctor@gmail.com Signed-off-by: Greg Kroa...
```diff diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c index 5aac9110bff6..1f881c27d4b4 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c @@ -204,7 +204,7 @@ void rtl92e_leisure_ps_enter(struct net_device *dev) ...
2b05e9c6beccc606f28068430031839bd75edf27
Analyze and fix the following issue in the Linux kernel code: Staging: rtl8192e: Fix arguments alignment
Problem Details: Fix the alignment of arguments in function _rtl92e_query_rxphystatus in order to silence the following checkpatch warning: CHECK: Lines should not end with a '(' Signed-off-by: Ana Carolina Hernandes <anachan.01h@gmail.com> Link: https://lore.kernel.org/r/20240822202727.18882-1-anachan.01h@gmail.com ...
```diff diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index 66e3ae25ad47..b25e83743956 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -1145,17 +1145,15 @@ static long _rtl92e_signal_scale_...
0c0b453c6e7b33225468f6b01a691c448e7656aa
Analyze and fix the following issue in the Linux kernel code: staging: rtl8192e: Fix Assignment operator '=' in rtl_dm.c:1488
Problem Details: Removed enter before operator '=' in rtl_dm.c:1488 in order to silence the following checkpatch warning. CHECK: Assignment operator '=' should be on the previous line Signed-off-by: Alien Wesley <alienwesley51@gmail.com> Link: https://lore.kernel.org/r/20240822163057.14114-1-alienwesley51@gmail.com S...
```diff diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c index 0c7f38a4a7db..e9ca5a8768ad 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c @@ -1484,8 +1484,7 @@ static void _rtl92e_dm_rx_path_sel_byrssi(struct ne...
3c9265ed191d34349889ee426ed4a2394ba4a77b
Analyze and fix the following issue in the Linux kernel code: scsi: target: Remove unused declarations
Problem Details: Commit 13247018d68f ("scsi: target: iscsi: Fix hang in the iSCSI login code") removed iscsi_handle_login_thread_timeout() but left declaration. Commit 3e1c81a95f0d ("iscsi-target: Refactor RX PDU logic + export request PDU handling") left iscsi_target_get_initial_payload() declaration. Commit d703ce2...
```diff diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h index 0c997a08adec..873411e95ed2 100644 --- a/drivers/target/iscsi/iscsi_target.h +++ b/drivers/target/iscsi/iscsi_target.h @@ -15,7 +15,6 @@ struct kref; struct sockaddr_storage; extern struct iscsi_tiqn *iscsit_get_tiqn...
2e4b02fad094976763af08fec2c620f4f8edd9ae
Analyze and fix the following issue in the Linux kernel code: scsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()
Problem Details: The kref_put() function will call nport->release if the refcount drops to zero. The nport->release release function is _efc_nport_free() which frees "nport". But then we dereference "nport" on the next line which is a use after free. Re-order these lines to avoid the use after free. Fixes: fcd42730...
```diff diff --git a/drivers/scsi/elx/libefc/efc_nport.c b/drivers/scsi/elx/libefc/efc_nport.c index 2e83a667901f..1a7437f4328e 100644 --- a/drivers/scsi/elx/libefc/efc_nport.c +++ b/drivers/scsi/elx/libefc/efc_nport.c @@ -705,9 +705,9 @@ efc_nport_vport_del(struct efc *efc, struct efc_domain *domain, spin_lock_irqsa...
919ddf8336f0b84c0453bac583808c9f165a85c2
Analyze and fix the following issue in the Linux kernel code: scsi: aacraid: Fix double-free on probe failure
Problem Details: aac_probe_one() calls hardware-specific init functions through the aac_driver_ident::init pointer, all of which eventually call down to aac_init_adapter(). If aac_init_adapter() fails after allocating memory for aac_dev::queues, it frees the memory but does not clear that member. After the hardware-s...
```diff diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index bd99c5492b7d..0f64b0244303 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -642,6 +642,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) if (aac_comm_init(dev)<0){ kfree(dev...
3417c9574e368f0330637505f00d3814ca8854d2
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix overflow build issue
Problem Details: Build failed while enabling "CONFIG_GCOV_KERNEL=y" and "CONFIG_GCOV_PROFILE_ALL=y" with following error: BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c: In function 'lpfc_get_cgnbuf_info': BUILDSTDERR: ./include/linux/fortify-string.h:114:33: error: '__builtin_memcpy' accessing 18446744073709551615 bytes a...
```diff diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 4156419c52c7..4756a3f82531 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5410,7 +5410,7 @@ lpfc_get_cgnbuf_info(struct bsg_job *job) struct get_cgnbuf_info_req *cgnbuf_req; struct lpfc_cgn_info ...
979b581e4c69257acab1af415ddad6b2d78a2fa5
Analyze and fix the following issue in the Linux kernel code: pktgen: use cpus_read_lock() in pg_net_init()
Problem Details: I have seen the WARN_ON(smp_processor_id() != cpu) firing in pktgen_thread_worker() during tests. We must use cpus_read_lock()/cpus_read_unlock() around the for_each_online_cpu(cpu) loop. While we are at it use WARN_ON_ONCE() to avoid a possible syslog flood. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")...
```diff diff --git a/net/core/pktgen.c b/net/core/pktgen.c index ea55a758a475..197a50ef8e2e 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3654,7 +3654,7 @@ static int pktgen_thread_worker(void *arg) struct pktgen_dev *pkt_dev = NULL; int cpu = t->cpu; - WARN_ON(smp_processor_id() != cpu); + WARN_ON_O...
d72b7963115bea971a28eaa2cb76722c023f9fdf
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix clearing of layout segments in layoutreturn
Problem Details: Make sure that we clear the layout segments in cases where we see a fatal error, and also in the case where the layout is invalid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 06df74362e94..b8ffbe52ba15 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -9998,6 +9998,7 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata) fallthrough; default: task->tk_status = 0; + lrp->res.lrs_present = ...
95832998fb6edc50d4f2f6a958d9f90142d4be48
Analyze and fix the following issue in the Linux kernel code: nfs: fix bitmap decoder to handle a 3rd word
Problem Details: It only decodes the first two words at this point. Have it decode the third word as well. Without this, the client doesn't send delegated timestamps in the CB_GETATTR response. With this change we also need to expand the on-stack bitmap in decode_recallany_args to 3 elements, in case the server sends ...
```diff diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 29c49a7e5fe1..6df77f008d3f 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -118,7 +118,9 @@ static __be32 decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) if (likely(attrlen > 0)) bitmap[0] = ntohl(*p++); if (attrle...
cb78f9b7d0c0c9f86d8c0ac9c46b8b684d8785a9
Analyze and fix the following issue in the Linux kernel code: nfs: fix the fetch of FATTR4_OPEN_ARGUMENTS
Problem Details: The client doesn't properly request FATTR4_OPEN_ARGUMENTS in the initial SERVER_CAPS getattr. Add FATTR4_WORD2_OPEN_ARGUMENTS to the initial request. Fixes: 707f13b3d081 (NFSv4: Add support for the FATTR4_OPEN_ARGUMENTS attribute) Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Benjamin C...
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8883016c551c..06df74362e94 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3931,7 +3931,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f FATTR4_WORD0_CASE_INSENSITIVE | FATTR4_WORD0_CASE_PRES...
5e51224d2afbda57f33f47485871ee5532145e18
Analyze and fix the following issue in the Linux kernel code: smb/client: fix typo: GlobalMid_Sem -> GlobalMid_Lock
Problem Details: The comments have typos, fix that to not confuse readers. Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Reviewed-by: Namjae Jeon <linkinjeon@kernel.org Signed-off-by: Steve French <stfrench@microsoft.com>
```diff diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index 2c4b357d85e2..d89485235425 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -75,9 +75,9 @@ unsigned int sign_CIFS_PDUs = 1; /* * Global transaction id (XID) information */ -unsigned int GlobalCurrentXid; /* protected by G...
0d8584d288a9b4132e945d76bcc04395d158b2e7
Analyze and fix the following issue in the Linux kernel code: cpufreq/amd-pstate: Use topology_logical_package_id() instead of logical_die_id()
Problem Details: After the commit 63edbaa48a57 ("x86/cpu/topology: Add support for the AMD 0x80000026 leaf"), the topolgy_logical_die_id() function returns the logical Core Chiplet Die (CCD) ID instead of the logical socket ID. Since this is currently used to set MSR_AMD_CPPC_ENABLE, which needs to be set on any one o...
```diff diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 358bd88cd0c5..89bda7a2bb8d 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -321,7 +321,7 @@ static inline int pstate_enable(bool enable) return 0; for_each_present_cpu(cpu) { - unsigned long lo...
67d95303c84732c2e1de5730756281f648dbefaf
Analyze and fix the following issue in the Linux kernel code: cpufreq: amd-pstate: Fix uninitialized variable in amd_pstate_cpu_boost_update()
Problem Details: Smatch complains that "ret" could be uninitialized: drivers/cpufreq/amd-pstate.c:734 amd_pstate_cpu_boost_update() error: uninitialized symbol 'ret'. This seems like it probably is a real issue. Initialize "ret" to zero to be safe. Fixes: c8c68c38b56f ("cpufreq: amd-pstate: initialize core prec...
```diff diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 68c616b572f2..358bd88cd0c5 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -692,7 +692,7 @@ static int amd_pstate_cpu_boost_update(struct cpufreq_policy *policy, bool on) struct amd_cpudata *cpudata ...
eabc10e60dac08b9f4f05872d785532d0856e09f
Analyze and fix the following issue in the Linux kernel code: security: smack: Fix indentation in smack_netfilter.c
Problem Details: Aligned parameters in the function declaration of smack_ip_output to adhere to the Linux kernel coding style guidelines. The parameters of the smack_ip_output function were previously misaligned, with the second and third parameters not aligned under the first parameter. This change corrects the inden...
```diff diff --git a/security/smack/smack_netfilter.c b/security/smack/smack_netfilter.c index b945c1d3a743..709b1fcff514 100644 --- a/security/smack/smack_netfilter.c +++ b/security/smack/smack_netfilter.c @@ -19,8 +19,8 @@ #include "smack.h" static unsigned int smack_ip_output(void *priv, - struct sk_buff *sk...
a54a93d0e3599b05856971734e15418ac551a14c
Analyze and fix the following issue in the Linux kernel code: nvme: move stopping keep-alive into nvme_uninit_ctrl()
Problem Details: Commit 4733b65d82bd ("nvme: start keep-alive after admin queue setup") moves starting keep-alive from nvme_start_ctrl() into nvme_init_ctrl_finish(), but don't move stopping keep-alive into nvme_uninit_ctrl(), so keep-alive work can be started and keep pending after failing to start controller, finally...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 33fa01c599ad..0dc8bcc664f2 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4612,7 +4612,6 @@ void nvme_stop_ctrl(struct nvme_ctrl *ctrl) { nvme_mpath_stop(ctrl); nvme_auth_stop(ctrl); - nvme_stop_keep_alive(ctrl...
0124fb0ebf3b0ef89892d42147c9387be3105318
Analyze and fix the following issue in the Linux kernel code: s390/iucv: Fix vargs handling in iucv_alloc_device()
Problem Details: iucv_alloc_device() gets a format string and a varying number of arguments. This is incorrectly forwarded by calling dev_set_name() with the format string and a va_list, while dev_set_name() expects also a varying number of arguments. Symptoms: Corrupted iucv device names, which can result in log mess...
```diff diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 1e42e13ad24e..d3e9efab7f4b 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -86,13 +86,15 @@ struct device *iucv_alloc_device(const struct attribute_group **attrs, { struct device *dev; va_list vargs; + char buf[20]; int rc; dev = kzalloc(size...
57fb67783c4011581882f32e656d738da1f82042
Analyze and fix the following issue in the Linux kernel code: net: ovs: fix ovs_drop_reasons error
Problem Details: There is something wrong with ovs_drop_reasons. ovs_drop_reasons[0] is "OVS_DROP_LAST_ACTION", but OVS_DROP_LAST_ACTION == __OVS_DROP_REASON + 1, which means that ovs_drop_reasons[1] should be "OVS_DROP_LAST_ACTION". And as Adrian tested, without the patch, adding flow to drop packets results in: dro...
```diff diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 99d72543abd3..78d9961fcd44 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -2706,7 +2706,7 @@ static struct pernet_operations ovs_net_ops = { }; static const char * const ovs_drop_reasons[] = { -#define S(...
797a68c9de0f5a5447baf4bd3bb9c10a3993435b
Analyze and fix the following issue in the Linux kernel code: net: xilinx: axienet: Fix dangling multicast addresses
Problem Details: If a multicast address is removed but there are still some multicast addresses, that address would remain programmed into the frame filter. Fix this by explicitly setting the enable bit for each filter. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver") Signed-off-by...
```diff diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h index c7d9221fafdc..09c9f9787180 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -170,6 +170,7 @@ #define XAE_UAW0_OFFSET 0x00000700 /* Unica...
4ae738dfef2c0323752ab81786e2d298c9939321
Analyze and fix the following issue in the Linux kernel code: net: xilinx: axienet: Always disable promiscuous mode
Problem Details: If promiscuous mode is disabled when there are fewer than four multicast addresses, then it will not be reflected in the hardware. Fix this by always clearing the promiscuous mode flag even when we program multicast addresses. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Etherne...
```diff diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 02fdf66e07fa..163d05248007 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -450,6 +450,10 @@ static void axienet_set_...
591940e22e287fb64ac07be275e343d860cb72d6
Analyze and fix the following issue in the Linux kernel code: firmware: microchip: fix incorrect error report of programming:timeout on success
Problem Details: After successfully programming the SPI flash with an MFPS auto update image, the error sysfs attribute reports programming:timeout. This is caused by an incorrect check on the return value from wait_for_completion_timeout() in mpfs_auto_update_poll_complete(). Fixes: ec5b0f1193ad ("firmware: microchip...
```diff diff --git a/drivers/firmware/microchip/mpfs-auto-update.c b/drivers/firmware/microchip/mpfs-auto-update.c index 30de47895b1c..9ca5ee58edbd 100644 --- a/drivers/firmware/microchip/mpfs-auto-update.c +++ b/drivers/firmware/microchip/mpfs-auto-update.c @@ -166,7 +166,7 @@ static enum fw_upload_err mpfs_auto_updat...
54950bfe2b69cdc06ef753872b5225e54eb73506
Analyze and fix the following issue in the Linux kernel code: KVM: SVM: Don't advertise Bus Lock Detect to guest if SVM support is missing
Problem Details: If host supports Bus Lock Detect, KVM advertises it to guests even if SVM support is absent. Additionally, guest wouldn't be able to use it despite guest CPUID bit being set. Fix it by unconditionally clearing the feature bit in KVM cpu capability. Reported-by: Jim Mattson <jmattson@google.com> Closes...
```diff diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index b11454151f25..5ab2c92c7331 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -5236,6 +5236,9 @@ static __init void svm_set_cpu_caps(void) /* CPUID 0x8000001F (SME/SEV features) */ sev_set_cpu_caps(); + + /* Don't advertis...
d8414067cc17bd2070e6667763124754e2932251
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Re-enable hyperv_evmcs/hyperv_svm_test on bare metal
Problem Details: KVM_CAP_HYPERV_DIRECT_TLBFLUSH is only reported when KVM runs on top of Hyper-V and hyperv_evmcs/hyperv_svm_test don't need that, these tests check that the feature is properly emulated for Hyper-V on KVM guests. There's no corresponding CAP for that, the feature is reported in KVM_GET_SUPPORTED_HV_CPU...
```diff diff --git a/tools/testing/selftests/kvm/include/x86_64/hyperv.h b/tools/testing/selftests/kvm/include/x86_64/hyperv.h index a2e7cf7ee0ad..6849e2552f1b 100644 --- a/tools/testing/selftests/kvm/include/x86_64/hyperv.h +++ b/tools/testing/selftests/kvm/include/x86_64/hyperv.h @@ -186,6 +186,18 @@ #define HV_X64_...
1cec2034980ad03ebf8ce0f187a8f3101c33e611
Analyze and fix the following issue in the Linux kernel code: KVM: x86: Funnel all fancy MSR return value handling into a common helper
Problem Details: Add a common helper, kvm_do_msr_access(), to invoke the "leaf" APIs that are type and access specific, and more importantly to handle errors that are returned from the leaf APIs. I.e. turn kvm_msr_ignored_check() from a a helper that is called on an error, into a trampoline that detects errors *and* a...
```diff diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0c2fa6c590a2..faf1ba786a34 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -304,25 +304,40 @@ const struct kvm_stats_header kvm_vcpu_stats_header = { static struct kmem_cache *x86_emulator_cache; -/* - * When called, it means the previo...
74a0e79df68a8042fb84fd7207e57b70722cf825
Analyze and fix the following issue in the Linux kernel code: KVM: SVM: Disallow guest from changing userspace's MSR_AMD64_DE_CFG value
Problem Details: Inject a #GP if the guest attempts to change MSR_AMD64_DE_CFG from its *current* value, not if the guest attempts to write a value other than KVM's set of supported bits. As per the comment and the changelog of the original code, the intent is to effectively make MSR_AMD64_DE_CFG read- only for the gu...
```diff diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index d6f252555ab3..eaa41a6a00ee 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3189,8 +3189,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) if (data & ~msr_entry.data) return 1; - /* Don't all...
c0a1ef9c5be72ff28a5413deb1b3e1a066593c13
Analyze and fix the following issue in the Linux kernel code: thermal: of: Fix OF node leak in of_thermal_zone_find() error paths
Problem Details: Terminating for_each_available_child_of_node() loop requires dropping OF node reference, so bailing out on errors misses this. Solve the OF node reference leak with scoped for_each_available_child_of_node_scoped(). Fixes: 3fd6d6e2b4e8 ("thermal/of: Rework the thermal device tree initialization") Cc: ...
```diff diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index b08a9b64718d..1f252692815a 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -184,14 +184,14 @@ static struct device_node *of_thermal_zone_find(struct device_node *sensor, int * Search for each therma...
662b52b761bfe0ba970e5823759798faf809b896
Analyze and fix the following issue in the Linux kernel code: thermal: of: Fix OF node leak in thermal_of_zone_register()
Problem Details: thermal_of_zone_register() calls of_thermal_zone_find() which will iterate over OF nodes with for_each_available_child_of_node() to find matching thermal zone node. When it finds such, it exits the loop and returns the node. Prematurely ending for_each_available_child_of_node() loops requires droppin...
```diff diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index 30f8d6e70484..b08a9b64718d 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -491,7 +491,8 @@ static struct thermal_zone_device *thermal_of_zone_register(struct device_node * trips = thermal_of_trips_i...
afc954fd223ded70b1fa000767e2531db55cce58
Analyze and fix the following issue in the Linux kernel code: thermal: of: Fix OF node leak in thermal_of_trips_init() error path
Problem Details: Terminating for_each_child_of_node() loop requires dropping OF node reference, so bailing out after thermal_of_populate_trip() error misses this. Solve the OF node reference leak with scoped for_each_child_of_node_scoped(). Fixes: d0c75fa2c17f ("thermal/of: Initialize trip points separately") Cc: All...
```diff diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index aa34b6e82e26..30f8d6e70484 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -125,7 +125,7 @@ static int thermal_of_populate_trip(struct device_node *np, static struct thermal_trip *thermal_of_trips_ini...
f58bab6fd4063913bd8321e99874b8239e9ba726
Analyze and fix the following issue in the Linux kernel code: nfsd: ensure that nfsd4_fattr_args.context is zeroed out
Problem Details: If nfsd4_encode_fattr4 ends up doing a "goto out" before we get to checking for the security label, then args.context will be set to uninitialized junk on the stack, which we'll then try to free. Initialize it early. Fixes: f59388a579c6 ("NFSD: Add nfsd4_encode_fattr4_sec_label()") Signed-off-by: Jeff...
```diff diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 42b41d55d4ed..43ccf6119cf1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3545,6 +3545,9 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr, args.dentry = dentry; args.ignore_crossmnt = (ignore_crossmnt != 0); args.acl...
cfd67903977b13f63340a4eb5a1cc890994f2c62
Analyze and fix the following issue in the Linux kernel code: PCI: xilinx-nwl: Clean up clock on probe failure/removal
Problem Details: Make sure we turn off the clock on probe failure and device removal. Fixes: de0a01f52966 ("PCI: xilinx-nwl: Enable the clock through CCF") Link: https://lore.kernel.org/r/20240531161337.864994-6-sean.anderson@linux.dev Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Bjorn Helgaas...
```diff diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index c0a60cebdb2e..e85158dc4e6c 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -779,6 +779,7 @@ static int nwl_pcie_probe(struct platform_device *pdev) re...
a437027ae1730b8dc379c75fa0dd7d3036917400
Analyze and fix the following issue in the Linux kernel code: PCI: xilinx-nwl: Fix register misspelling
Problem Details: MSIC -> MISC Fixes: c2a7ff18edcd ("PCI: xilinx-nwl: Expand error logging") Link: https://lore.kernel.org/r/20240531161337.864994-4-sean.anderson@linux.dev Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
```diff diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 437927e3bcca..ce881baac6d8 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -80,8 +80,8 @@ #define MSGF_MISC_SR_NON_FATAL_DEV BIT(22) #define MSGF_MISC_...
0199d2f2bd8cd97b310f7ed82a067247d7456029
Analyze and fix the following issue in the Linux kernel code: PCI: xilinx-nwl: Fix off-by-one in INTx IRQ handler
Problem Details: MSGF_LEG_MASK is laid out with INTA in bit 0, INTB in bit 1, INTC in bit 2, and INTD in bit 3. Hardware IRQ numbers start at 0, and we register PCI_NUM_INTX IRQs. So to enable INTA (aka hwirq 0) we should set bit 0. Remove the subtraction of one. This bug would cause INTx interrupts not to be delivere...
```diff diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 0408f4d612b5..437927e3bcca 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -371,7 +371,7 @@ static void nwl_mask_intx_irq(struct irq_data *data) u32 ma...
2ab637df5f68d4e0cfa9becd10f43400aee785b3
Analyze and fix the following issue in the Linux kernel code: KVM: VMX: hyper-v: Prevent impossible NULL pointer dereference in evmcs_load()
Problem Details: GCC 12.3.0 complains about a potential NULL pointer dereference in evmcs_load() as hv_get_vp_assist_page() can return NULL. In fact, this cannot happen because KVM verifies (hv_init_evmcs()) that every CPU has a valid VP assist page and aborts enabling the feature otherwise. CPU onlining path is also c...
```diff diff --git a/arch/x86/kvm/vmx/vmx_onhyperv.h b/arch/x86/kvm/vmx/vmx_onhyperv.h index eb48153bfd73..bba24ed99ee6 100644 --- a/arch/x86/kvm/vmx/vmx_onhyperv.h +++ b/arch/x86/kvm/vmx/vmx_onhyperv.h @@ -104,6 +104,14 @@ static inline void evmcs_load(u64 phys_addr) struct hv_vp_assist_page *vp_ap = hv_get_vp_as...
dad1613e0533b380318281c1519e1a3477c2d0d2
Analyze and fix the following issue in the Linux kernel code: KVM: SVM: fix emulation of msr reads/writes of MSR_FS_BASE and MSR_GS_BASE
Problem Details: If these msrs are read by the emulator (e.g due to 'force emulation' prefix), SVM code currently fails to extract the corresponding segment bases, and return them to the emulator. Fix that. Cc: stable@vger.kernel.org Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Link: https://lore.kernel.org/r/...
```diff diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index d6f252555ab3..b11454151f25 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2876,6 +2876,12 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_CSTAR: msr_info->data = svm->vmcb01.ptr->sa...
4bcdd831d9d01e0fb64faea50732b59b2ee88da1
Analyze and fix the following issue in the Linux kernel code: KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS
Problem Details: Grab kvm->srcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX reads guest memory. Note, kvm_vcpu_ioctl_x86_set_vcpu_events() can also be called from KVM_RUN via sync_regs(), which already holds SRCU. I.e. trying to p...
```diff diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 70219e406987..2c7327ef0f0d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6040,7 +6040,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, if (copy_from_user(&events, argp, sizeof(struct kvm_vcpu_events))) break; + kvm_vcpu_srcu_rea...
28cec7f08b8b41b9b082f1dcc6a94656f125063f
Analyze and fix the following issue in the Linux kernel code: KVM: x86/mmu: Check that root is valid/loaded when pre-faulting SPTEs
Problem Details: Error out if kvm_mmu_reload() fails when pre-faulting memory, as trying to fault-in SPTEs will fail miserably due to root.hpa pointing at garbage. Note, kvm_mmu_reload() can return -EIO and thus trigger the WARN on -EIO in kvm_vcpu_pre_fault_memory(), but all such paths also WARN, i.e. the WARN isn't ...
```diff diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 928cf84778b0..de05a26b0b7d 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4750,7 +4750,9 @@ long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu, * reload is efficient when called repeatedly, so we can do it on *...
e03a7caa5335c41e39991cfa73bb037872d1e2cb
Analyze and fix the following issue in the Linux kernel code: KVM: x86/mmu: Fixup comments missed by the REMOVED_SPTE=>FROZEN_SPTE rename
Problem Details: Replace "removed" with "frozen" in comments as appropriate to complete the rename of REMOVED_SPTE to FROZEN_SPTE. Fixes: 964cea817196 ("KVM: x86/tdp_mmu: Rename REMOVED_SPTE to FROZEN_SPTE") Signed-off-by: Yan Zhao <yan.y.zhao@intel.com> Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com> Link:...
```diff diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c index d4527965e48c..8f7eb3ad88fc 100644 --- a/arch/x86/kvm/mmu/spte.c +++ b/arch/x86/kvm/mmu/spte.c @@ -391,9 +391,9 @@ void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 mmio_mask, u64 access_mask) mmio_value = 0; /* - * The masked MMIO va...
919bb54e989c1edef87e9797be125c94c450fc65
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix missing runtime outer protection for ggtt_remove_node
Problem Details: Defer the ggtt node removal to a thread if runtime_pm is not active. The ggtt node removal can be called from multiple places, including places where we cannot protect with outer callers and places we are within other locks. So, try to grab the runtime reference if the device is already active, otherw...
```diff diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index 58d7cad2425b..b4a0cd2b62ed 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -161,6 +161,7 @@ static void ggtt_fini_early(struct drm_device *drm, void *arg) { struct xe_ggtt *ggtt = arg; + destroy_w...
34e804220f693fe6bb1c4e50f27dd855e9313f0c
Analyze and fix the following issue in the Linux kernel code: drm/xe: Make xe_ggtt_node struct independent
Problem Details: In some rare cases, the drm_mm node cannot be removed synchronously due to runtime PM conditions. In this situation, the node removal will be delegated to a workqueue that will be able to wake up the device before removing the node. However, in this situation, the lifetime of the xe_ggtt_node cannot b...
```diff diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h b/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h index 3028ac1ba72f..bdae8392e125 100644 --- a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h +++ b/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h @@ -20,7 +20,7 @@ struct xe_bo; struct i91...
1144e0dff5e68907cb8d3e2d64d1c00e2a96d1b2
Analyze and fix the following issue in the Linux kernel code: drm/xe: Introduce xe_ggtt_largest_hole
Problem Details: Introduce a new xe_ggtt_largest_hole helper that attends the SRIOV demand and continue with the goal of limiting drm_mm access to xe_ggtt. v2: Fix a typo (Michal) Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesk...
```diff diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index 7c8bbaa30fca..2d055f489879 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -584,6 +584,41 @@ void xe_ggtt_remove_bo(struct xe_ggtt *ggtt, struct xe_bo *bo) bo->flags & XE_BO_FLAG_GGTT_INVALIDAT...
6062ea9398d3ec09c521774f9d81f604d1a85fbd
Analyze and fix the following issue in the Linux kernel code: drm/xe: Encapsulate drm_mm_node inside xe_ggtt_node
Problem Details: The xe_ggtt component uses drm_mm to manage the GGTT. The drm_mm_node is just a node inside drm_mm, but in Xe we use that only in the GGTT context. So, this patch encapsulates the drm_mm_node into a xe_ggtt's new struct. This is the first step towards limiting all the drm_mm access through xe_ggtt. Th...
```diff diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h b/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h index a20d2638ea7a..3028ac1ba72f 100644 --- a/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h +++ b/drivers/gpu/drm/xe/compat-i915-headers/i915_vma.h @@ -7,7 +7,8 @@ #define I915_VMA_H #inclu...
244fe1666364865154930f34d8df5489df1922b6
Analyze and fix the following issue in the Linux kernel code: drm/xe: Introduce GGTT documentation
Problem Details: Document xe_ggtt and ensure it is part of the built kernel docs. v2: - Accepted all Michal's suggestions - Rebased on top of new set_pte per platform/wa function pointer v3: - Typos and other acronym fixes (Michal) Cc: Matthew Brost <matthew.brost@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko...
```diff diff --git a/Documentation/gpu/xe/xe_mm.rst b/Documentation/gpu/xe/xe_mm.rst index 6c8fd8b4a466..95864a4502dd 100644 --- a/Documentation/gpu/xe/xe_mm.rst +++ b/Documentation/gpu/xe/xe_mm.rst @@ -7,6 +7,21 @@ Memory Management .. kernel-doc:: drivers/gpu/drm/xe/xe_bo_doc.h :doc: Buffer Objects (BO) +GGTT ...
8fb4ac1cee88a57e7a56faba49b408a41a4af4db
Analyze and fix the following issue in the Linux kernel code: kbuild: fix typos "prequisites" to "prerequisites"
Problem Details: This typo in scripts/Makefile.build has been present for more than 20 years. It was accidentally copy-pasted to other scripts/Makefile.* files. Fix them all. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
```diff diff --git a/scripts/Makefile.build b/scripts/Makefile.build index efacca63c897..a5ac8ed1936f 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -487,7 +487,7 @@ $(subdir-ym): need-modorder=$(if $(filter $@/modules.order, $(subdir-modorder)),1) \ $(filter $@/%, $(single-subdir-goals)) -# ...