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d7ddf5f4269fcaf19aafe971e635d91897423a3a
Analyze and fix the following issue in the Linux kernel code: tools: ynl-gen: fix enum index in _decode_enum(..)
Problem Details: Remove wrong index adjustment, which is leftover from adding support for sparse enums. enum.entries_by_val() function shall not subtract the start-value, as it is indexed with real enum value. Fixes: c311aaa74ca1 ("tools: ynl: fix enum-as-flags in the generic CLI") Signed-off-by: Arkadiusz Kubalewski ...
```diff diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py index 1b3a36fbb1c3..027b1c0aecb4 100644 --- a/tools/net/ynl/lib/ynl.py +++ b/tools/net/ynl/lib/ynl.py @@ -420,8 +420,8 @@ class YnlFamily(SpecFamily): def _decode_enum(self, rsp, attr_spec): raw = rsp[attr_spec['name']] enum...
4b49df654cd0d1c3c359fc0f52182943a650b746
Analyze and fix the following issue in the Linux kernel code: samples/hw_breakpoint: mark sample_hbp as static
Problem Details: There is a sparse warning shown as below: samples/hw_breakpoint/data_breakpoint.c:24:19: warning: symbol 'sample_hbp' was not declared. Should it be static? Since 'sample_hbp' is only called within data_breakpoint.c, mark it as static to fix the warning. Fixes: 44ee63587dce ("percpu: Add __percpu sp...
```diff diff --git a/samples/hw_breakpoint/data_breakpoint.c b/samples/hw_breakpoint/data_breakpoint.c index b99322f188e5..a2c831e89ce0 100644 --- a/samples/hw_breakpoint/data_breakpoint.c +++ b/samples/hw_breakpoint/data_breakpoint.c @@ -21,7 +21,7 @@ #include <linux/perf_event.h> #include <linux/hw_breakpoint.h> ...
5befe22b3eebd07b334b2917f6d14ce7ee4c8404
Analyze and fix the following issue in the Linux kernel code: ASoC: fsl: fsl_qmc_audio: Fix snd_pcm_format_t values handling
Problem Details: Running sparse on fsl_qmc_audio (make C=1) raises the following warnings: fsl_qmc_audio.c:387:26: warning: restricted snd_pcm_format_t degrades to integer fsl_qmc_audio.c:389:59: warning: incorrect type in argument 1 (different base types) fsl_qmc_audio.c:389:59: expected restricted snd_pcm_forma...
```diff diff --git a/sound/soc/fsl/fsl_qmc_audio.c b/sound/soc/fsl/fsl_qmc_audio.c index 7cbb8e4758cc..56d6b0b039a2 100644 --- a/sound/soc/fsl/fsl_qmc_audio.c +++ b/sound/soc/fsl/fsl_qmc_audio.c @@ -372,8 +372,8 @@ static int qmc_dai_hw_rule_format_by_channels(struct qmc_dai *qmc_dai, struct snd_mask *f_old = hw_para...
5f0bc0b042fc77ff70e14c790abdec960cde4ec1
Analyze and fix the following issue in the Linux kernel code: mm: suppress mm fault logging if fatal signal already pending
Problem Details: Commit eda0047296a1 ("mm: make the page fault mmap locking killable") intentionally made it much easier to trigger the "page fault fails because a fatal signal is pending" situation, by having the mmap locking fail early in that case. We have long aborted page faults in other fatal cases when the actu...
```diff diff --git a/kernel/signal.c b/kernel/signal.c index b5370fe5c198..128e9bb3d1a2 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -562,6 +562,10 @@ bool unhandled_signal(struct task_struct *tsk, int sig) if (handler != SIG_IGN && handler != SIG_DFL) return false; + /* If dying, we handle all new sign...
1b5d0ddcb34a605835051ae2950d5cfed0373dd8
Analyze and fix the following issue in the Linux kernel code: drm/msm: Disallow submit with fence id 0
Problem Details: A fence id of zero is expected to be invalid, and is not removed from the fence_idr table. If userspace is requesting to specify the fence id with the FENCE_SN_IN flag, we need to reject a zero fence id value. Fixes: 17154addc5c1 ("drm/msm: Add MSM_SUBMIT_FENCE_SN_IN") Signed-off-by: Rob Clark <robdc...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 9d66498cdc04..63c96416e183 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -901,7 +901,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, * after the j...
05d881b85b48c7ac6a7c92ce00aa916c4a84d052
Analyze and fix the following issue in the Linux kernel code: arm64/sme: Set new vector length before reallocating
Problem Details: As part of fixing the allocation of the buffer for SVE state when changing SME vector length we introduced an immediate reallocation of the SVE state, this is also done when changing the SVE vector length for consistency. Unfortunately this reallocation is done prior to writing the new vector length to...
```diff diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 9d7d10d60bfd..520b681a07bb 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -917,6 +917,8 @@ int vec_set_vector_length(struct task_struct *task, enum vec_type type, if (task == current) put_cpu_fpsimd_cont...
3421ddbe6d64e55b76a67d57cef9e950b3d873ba
Analyze and fix the following issue in the Linux kernel code: arm64/fpsimd: Don't flush SME register hardware state along with thread
Problem Details: We recently changed the fpsimd thread flush to flush the physical SME state as well as the thread state for the current thread. Unfortunately this leads to intermittent corruption in interaction with the lazy FPSIMD register switching. When under heavy load such as can be triggered by the startup pha...
```diff diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 89d54a5242d1..9d7d10d60bfd 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -1666,7 +1666,6 @@ void fpsimd_flush_thread(void) fpsimd_flush_thread_vl(ARM64_VEC_SME); current->thread.svcr = 0; - sme_smst...
01b94b0f3922039f7d3e0d1eeb33b8891746b65f
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: fix __kvm_host_psci_cpu_entry() prototype
Problem Details: The kvm_host_psci_cpu_entry() function was renamed in order to add a wrapper around it, but the prototype did not change, so now the missing-prototype warning came back in W=1 builds: arch/arm64/kvm/hyp/nvhe/psci-relay.c:203:28: error: no previous prototype for function '__kvm_host_psci_cpu_entry' [-W...
```diff diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 7d170aaa2db4..24e28bb2d95b 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -278,7 +278,7 @@ asmlinkage void __noreturn hyp_panic_bad_stack(void); asmlinkage void kvm_unexpected_el2_exc...
375110ab51dec5dcd077b8fa95075b2c67499119
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Fix resetting SME trap values on reset for (h)VHE
Problem Details: Ensure that SME traps are disabled for (h)VHE when getting the reset value for the architectural feature control register. Fixes: 75c76ab5a641 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration") Signed-off-by: Fuad Tabba <tabba@google.com> Reviewed-by: Marc Zyngier <maz@kernel.org> Link...
```diff diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index adfb7d0ac55b..3d6725ff0bf6 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -586,12 +586,16 @@ static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu) ...
7af0d5e50006614cbf313373df708df79d9f4657
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Fix resetting SVE trap values on reset for hVHE
Problem Details: Ensure that SVE traps are disabled for hVHE, if the FPSIMD state isn't owned by the guest, when getting the reset value for the architectural feature control register. Fixes: 75c76ab5a641 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration") Signed-off-by: Fuad Tabba <tabba@google.com> Re...
```diff diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index f5941f6dce49..adfb7d0ac55b 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -588,6 +588,10 @@ static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu) ...
a9626099a51f697939d35983b92a9384a4c4a676
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Use the appropriate feature trap register when activating traps
Problem Details: Instead of writing directly to cptr_el2, use the helper that selects which feature trap register to write to based on the KVM mode. Fixes: 75c76ab5a641 ("KVM: arm64: Rework CPTR_EL2 programming for HVHE configuration") Signed-off-by: Fuad Tabba <tabba@google.com> Reviewed-by: Marc Zyngier <maz@kernel....
```diff diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index 0a6271052def..e89a23153e85 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -63,7 +63,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu) __activate_traps_fpsimd32(vcpu); } -...
04e8429c5b4f644257fe64db3403205a7a41e33b
Analyze and fix the following issue in the Linux kernel code: coresight: Fix all W=1 build warnings
Problem Details: The kernel test robot looks for new warnings in a W=1 build, so fix all the existing warnings to make it easier to spot new ones when building locally. The fixes are for undocumented function arguments and an incorrect doc style. Signed-off-by: James Clark <james.clark@arm.com> Reviewed-by: Mike Leac...
```diff diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c index 7023ff70cc28..3999d0a2cb60 100644 --- a/drivers/hwtracing/coresight/coresight-cti-core.c +++ b/drivers/hwtracing/coresight/coresight-cti-core.c @@ -22,7 +22,7 @@ #include "coresight-priv.h" #...
6b53039e2ba202f0659f4c296556888cf7c32e28
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Remove dmas and dma-names for debug UART
Problem Details: The debug UART doesn't support DMA and the DT bindings prohibit the use of the dmas and dma-names properties for it, so remove them. Signed-off-by: Thierry Reding <treding@nvidia.com>
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts index d4c034ac1244..bbc2e9bef08d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts +++ b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts @@ -531,6 +531,8 @@ }; serial@70006000 { + /delete...
c5097b9869a136349d8404715dc8aabb7570a762
Analyze and fix the following issue in the Linux kernel code: Revert "PCI: dwc: Wait for link up only if link is started"
Problem Details: This reverts commit da56a1bfbab55189595e588f1d984bdfb5cf5924. Bjorn Andersson, Fabio Estevam, Xiaolei Wang, and Jon Hunter reported that da56a1bfbab5 ("PCI: dwc: Wait for link up only if link is started") broke controller probing by returning an error in case the link does not come up during host init...
```diff diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index cf61733bf78d..9952057c8819 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -485,20 +485,15 @@ int dw_pcie_host_init(s...
29a449e765ff70a5bd533be94babb6d36985d096
Analyze and fix the following issue in the Linux kernel code: spi: tegra20-sflash: fix to check return value of platform_get_irq() in tegra_sflash_probe()
Problem Details: The platform_get_irq might be failed and return a negative result. So there should have an error handling code. Fixed this by adding an error handling code. Fixes: 8528547bcc33 ("spi: tegra: add spi driver for sflash controller") Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com> Link: https://...
```diff diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index 4286310628a2..0c5507473f97 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -455,7 +455,11 @@ static int tegra_sflash_probe(struct platform_device *pdev) goto exit_free_master; } ...
0ebc1064e4874d5987722a2ddbc18f94aa53b211
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID
Problem Details: Bail out with EOPNOTSUPP when adding rule to bound chain via NFTA_RULE_CHAIN_ID. The following warning splat is shown when adding a rule to a deleted bound chain: WARNING: CPU: 2 PID: 13692 at net/netfilter/nf_tables_api.c:2013 nf_tables_chain_destroy+0x1f7/0x210 [nf_tables] CPU: 2 PID: 13692 Comm: ...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index b9a4d3fd1d34..d3c6ecd1f5a6 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3811,8 +3811,6 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info, NL_SET_BAD_ATTR(ext...
0a771f7b266b02d262900c75f1e175c7fe76fec2
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: skip immediate deactivate in _PREPARE_ERROR
Problem Details: On error when building the rule, the immediate expression unbinds the chain, hence objects can be deactivated by the transaction records. Otherwise, it is possible to trigger the following warning: WARNING: CPU: 3 PID: 915 at net/netfilter/nf_tables_api.c:2013 nf_tables_chain_destroy+0x1f7/0x210 [nf...
```diff diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c index 407d7197f75b..fccb3cf7749c 100644 --- a/net/netfilter/nft_immediate.c +++ b/net/netfilter/nft_immediate.c @@ -125,15 +125,27 @@ static void nft_immediate_activate(const struct nft_ctx *ctx, return nft_data_hold(&priv->data, nft_d...
f718863aca469a109895cb855e6b81fff4827d71
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_rbtree: fix overlap expiration walk
Problem Details: The lazy gc on insert that should remove timed-out entries fails to release the other half of the interval, if any. Can be reproduced with tests/shell/testcases/sets/0044interval_overlap_0 in nftables.git and kmemleak enabled kernel. Second bug is the use of rbe_prev vs. prev pointer. If rbe_prev() r...
```diff diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 5c05c9b990fb..8d73fffd2d09 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -217,29 +217,37 @@ static void *nft_rbtree_get(const struct net *net, const struct nft_set *set, static int nft_rbt...
45b58669e532bcdfd6e1593488d1f23eabd55428
Analyze and fix the following issue in the Linux kernel code: drm/ssd130x: Allocate buffer in the plane's .atomic_check() callback
Problem Details: Drivers are not allowed to fail after drm_atomic_helper_swap_state() has been called and the new atomic state is stored into the current sw state. Since the struct ssd130x_device .data_array is allocated in the encoder's .atomic_enable callback, the operation can fail and this is after the new state h...
```diff diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index 51472a184ef9..d2f8dd6a6347 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -141,6 +141,19 @@ const struct ssd130x_deviceinfo ssd130x_variants[] = { }; EXPORT_SYMBOL_NS_GPL(ssd130x...
d4e695c016e0d5e15e91c7570ac4eef401b5c771
Analyze and fix the following issue in the Linux kernel code: platform/x86: hp-bioscfg: fix error reporting in hp_add_other_attributes()
Problem Details: Return a negative error code instead of returning success. Fixes: a34fc329b189 ("platform/x86: hp-bioscfg: bioscfg") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/138641cc-52c0-41a5-8176-ad01c7e28c67@moroto.mountain Reviewed-by: Jorge Lopez <jorge.lopez2@hp.co...
```diff diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c index 32d9c36ca553..8c4f9e12f018 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c +++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c @@ -630,13 +630,18 @@ static int hp_add_other_attributes(int attr...
b3a8692d2c6632ddaa41ca61544b632c49e75efc
Analyze and fix the following issue in the Linux kernel code: platform/x86: hp-bioscfg: prevent a small buffer overflow
Problem Details: This function escapes certain special characters like \n. So if the last character in the string is a '\n' then it gets changed into two characters '\' and '\n'. But maybe we only have space for the '\' so we need to check for that. The "conv_dst_size" variable is always less than or to equal the "s...
```diff diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c index b0a94640ff6f..32d9c36ca553 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c +++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c @@ -94,12 +94,15 @@ int hp_get_string_from_buffer(u8 **buffer, u3...
93d99fd8e605c09ae8521a19c2b08b57b8cc4165
Analyze and fix the following issue in the Linux kernel code: platform/x86: hp-bioscfg: fix a signedness bug in hp_wmi_perform_query()
Problem Details: The error handling won't work if "mid" is unsigned. "ret" is used to store negative error codes and declaring it as a u32 won't cause a bug but it's ugly. The "actual_outsize" variable is a number between 0-4096 so it can be declared as int as well. Fixes: 69ea03e38f24 ("platform/x86: hp-bioscfg: bi...
```diff diff --git a/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c b/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c index 1d59ad600b84..dea54f35b8b5 100644 --- a/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c +++ b/drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c @@ -123,7 +123,7 @@ i...
31422dff187b243c58f3a97d16bbe9e9ada639fe
Analyze and fix the following issue in the Linux kernel code: iommufd: Fix locking around hwpt allocation
Problem Details: Due to the auto_domains mechanism the ioas->mutex must be held until the hwpt is completely setup by iommufd_object_abort_and_destroy() or iommufd_object_finalize(). This prevents a concurrent iommufd_device_auto_get_domain() from seeing an incompletely initialized object through the ioas->hwpt_list. ...
```diff diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index 08bba99f2fb0..9b9244c5b0ce 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -441,8 +441,8 @@ static int iommufd_device_auto_get_domain(struct iommufd_device *idev, hwpt->auto_domain = true; ...
70eadc7fc7ef29bfe0e361376983822b5e36dd67
Analyze and fix the following issue in the Linux kernel code: iommufd: Allow a hwpt to be aborted after allocation
Problem Details: During creation the hwpt must have the ioas->mutex held until the object is finalized. This means we need to be able to call iommufd_object_abort_and_destroy() while holding the mutex. Since iommufd_hw_pagetable_destroy() also needs the mutex this is problematic. Fix it by creating a special abort op...
```diff diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index e0699d7f4c64..2087b51d9807 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -25,6 +25,21 @@ void iommufd_hw_pagetable_destroy(struct iommufd_object *obj) refcount_dec(&...
00eb53b08cf5f4d8919a49c10ffd122647478aae
Analyze and fix the following issue in the Linux kernel code: soc: starfive: remove stale Makefile entry
Problem Details: After the only starfive driver was moved out to the genpd subsystem, we get a build failure: scripts/Makefile.build:41: drivers/soc/starfive/Makefile: No such file or directory Fixes: f3fb16291f486 ("soc: starfive: Move the power-domain driver to the genpd dir") Reported=by: kernel test robot <lkp@in...
```diff diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index 3b0f9fb3b5c8..efdcd42f68cb 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -29,7 +29,6 @@ obj-y += renesas/ obj-y += rockchip/ obj-$(CONFIG_SOC_SAMSUNG) += samsung/ obj-y += sifive/ -obj-$(CONFIG_SOC_STARFIVE) += starfive...
76ff7789d6e63d1a10b3b58f5c70b2e640c7a880
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Support aux invalidation on all engines
Problem Details: Perform some refactoring with the purpose of keeping in one single place all the operations around the aux table invalidation. With this refactoring add more engines where the invalidation should be performed. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 67dd7f5db5f8..8a3cbb01bcbe 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -165,21 +165,47 @@ static u32 preparser_disable(bool state) return MI_ARB_CH...
d459c86f00aa98028d155a012c65dc42f7c37e76
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Poll aux invalidation register bit on invalidation
Problem Details: For platforms that use Aux CCS, wait for aux invalidation to complete by checking the aux invalidation register bit is cleared. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Andi Shyti <andi.sh...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 11f577d619db..67dd7f5db5f8 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -184,7 +184,15 @@ u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, u32 *cs, ...
b70df82b428774875c7c56d3808102165891547c
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Enable the CCS_FLUSH bit in the pipe control and in the CS
Problem Details: Enable the CCS_FLUSH bit 13 in the control pipe for render and compute engines in platforms starting from Meteor Lake (BSPEC 43904 and 47112). For the copy engine add MI_FLUSH_DW_CCS (bit 16) in the command streamer. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Req...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index d872aea8c9d5..11f577d619db 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -230,6 +230,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
ad8ebf12217e451cd19804b1c3e97ad56491c74a
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Ensure memory quiesced before invalidation
Problem Details: All memory traffic must be quiesced before requesting an aux invalidation on platforms that use Aux CCS. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Requires: a2a4aa0eef3b ("drm/i915: Add the gen12_needs_ccs_aux_inv helper") Signed-off-by: Jonathan Cavitt <jonathan...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 46744f966077..58b448708e75 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -214,7 +214,11 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
2f0b927d3ca3440445975ebde27f3df1c3ed6f76
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Cleanup aux invalidation registers
Problem Details: Fix the 'NV' definition postfix that is supposed to be INV. Take the chance to also order properly the registers based on their address and call the GEN12_GFX_CCS_AUX_INV address as GEN12_CCS_AUX_INV like all the other similar registers. Remove also VD1, VD3 and VE1 registers that don't exist and add...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 3ba20ea030e8..0bd997696674 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -287,8 +287,8 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
ae463563b7a1b7d4a3d0b065b09d37a76b693937
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Report correct WC error
Problem Details: Report the correct WC error if a MW bind is performed on an already valid/bound window. Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions") Signed-off-by: Sindhu Devale <sindhu.devale@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Link: https://lore.kerne...
```diff diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 1cfc03da89e7..457368e324e1 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -191,6 +191,7 @@ static void irdma_set_flush_fields(struct irdma_sc_qp *qp, case IRDMA_AE_AMP_MWBIND_INVALID...
3bfb25fa2b5bb9c29681e6ac861808f4be1331a9
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Fix op_type reporting in CQEs
Problem Details: The op_type field CQ poll info structure is incorrectly filled in with the queue type as opposed to the op_type received in the CQEs. The wrong opcode could be decoded and returned to the ULP. Copy the op_type field received in the CQE in the CQ poll info structure. Fixes: 24419777e943 ("RDMA/irdma: ...
```diff diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c index ea2c07751245..280d633d4ec4 100644 --- a/drivers/infiniband/hw/irdma/uk.c +++ b/drivers/infiniband/hw/irdma/uk.c @@ -1161,7 +1161,7 @@ int irdma_uk_cq_poll_cmpl(struct irdma_cq_uk *cq, } wqe_idx = (u32)FIELD_GET(IRDMA_CQ_W...
b28ff3a7d7e97456fd86b68d24caa32e1cfa7064
Analyze and fix the following issue in the Linux kernel code: btrfs: check for commit error at btrfs_attach_transaction_barrier()
Problem Details: btrfs_attach_transaction_barrier() is used to get a handle pointing to the current running transaction if the transaction has not started its commit yet (its state is < TRANS_STATE_COMMIT_START). If the transaction commit has started, then we wait for the transaction to commit and finish before returni...
```diff diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index f11d803b2c4e..91b6c2fdc420 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -826,8 +826,13 @@ btrfs_attach_transaction_barrier(struct btrfs_root *root) trans = start_transaction(root, 0, TRANS_ATTACH, BTRFS_RESERVE_...
c17bd30d0ba5ca59266771cdfc387f26271a7042
Analyze and fix the following issue in the Linux kernel code: ASoC: loongson: drop of_match_ptr for OF device id
Problem Details: The ASoC Sound Card driver can be compile tested with !CONFIG_OF making 'loongson_asoc_dt_ids' unused: sound/soc/loongson/loongson_card.c:200:34: warning: unused variable 'loongson_asoc_dt_ids' [-Wunused-const-variable] As krzysztof advice, we drop of_match_ptr so the device id can also be used on AC...
```diff diff --git a/sound/soc/loongson/loongson_card.c b/sound/soc/loongson/loongson_card.c index 9ded16329747..406ee8db1a3c 100644 --- a/sound/soc/loongson/loongson_card.c +++ b/sound/soc/loongson/loongson_card.c @@ -208,7 +208,7 @@ static struct platform_driver loongson_audio_driver = { .driver = { .name = "loo...
8744776363c370b0eeb0ed50cb0212d7826639b7
Analyze and fix the following issue in the Linux kernel code: ASoC: rt1316: fix key tone missing
Problem Details: This patch adds a control that there are three options to control the digital volume output. The user could select "immediately" to make volume updates immediately and avoid key tone missing issues. In default, the driver selects that the volume update when a zero-crossing with a soft ramp. Signed-off...
```diff diff --git a/sound/soc/codecs/rt1316-sdw.c b/sound/soc/codecs/rt1316-sdw.c index 721821d9e9af..10a53c8d4874 100644 --- a/sound/soc/codecs/rt1316-sdw.c +++ b/sound/soc/codecs/rt1316-sdw.c @@ -424,6 +424,15 @@ static SOC_ENUM_SINGLE_DECL(rt1316_rx_data_ch_enum, SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_U...
cc71c42b3dc1085d3e72dfa5603e827b9eb59da1
Analyze and fix the following issue in the Linux kernel code: spi: spi-qcom-qspi: Add mem_ops to avoid PIO for badly sized reads
Problem Details: In the patch ("spi: spi-qcom-qspi: Fallback to PIO for xfers that aren't multiples of 4 bytes") we detect reads that we can't handle properly and fallback to PIO mode. While that's correct behavior, we can do better by adding "spi_controller_mem_ops" for our controller. Once we do this then the caller ...
```diff diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index db1dd133762e..1954c39b3d08 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -666,6 +666,30 @@ static irqreturn_t qcom_qspi_irq(int irq, void *dev_id) return ret; } +static int qcom_qspi_adjust_op_size(...
138d73b627c71bf2b2f61502dc6c1137b9656434
Analyze and fix the following issue in the Linux kernel code: spi: spi-qcom-qspi: Fallback to PIO for xfers that aren't multiples of 4 bytes
Problem Details: The Qualcomm QSPI driver appears to require that any reads using DMA are a mutliple of 4 bytes. If this isn't true then the controller will clobber any extra bytes in memory following the last word. Let's detect this and falback to PIO. This fixes problems reported by slub_debug=FZPUA, which would com...
```diff diff --git a/drivers/spi/spi-qcom-qspi.c b/drivers/spi/spi-qcom-qspi.c index 9b3092e22942..db1dd133762e 100644 --- a/drivers/spi/spi-qcom-qspi.c +++ b/drivers/spi/spi-qcom-qspi.c @@ -357,10 +357,22 @@ static int qcom_qspi_setup_dma_desc(struct qcom_qspi *ctrl, for (i = 0; i < sgt->nents; i++) { dma_ptr_s...
74f12d511625e603fac8c0c2b6872e687e56dd61
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: testmode: add nla_policy for MT76_TM_ATTR_TX_LENGTH
Problem Details: It seems that the nla_policy in mt76_tm_policy is missed for attribute MT76_TM_ATTR_TX_LENGTH. This patch adds the correct description to make sure the u32 val = nla_get_u32(tb[MT76_TM_ATTR_TX_LENGTH]); in function mt76_testmode_cmd() is safe and will not result in out-of-attribute read. Fixes: f0...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/testmode.c b/drivers/net/wireless/mediatek/mt76/testmode.c index 0accc71a91c9..4644dace9bb3 100644 --- a/drivers/net/wireless/mediatek/mt76/testmode.c +++ b/drivers/net/wireless/mediatek/mt76/testmode.c @@ -8,6 +8,7 @@ const struct nla_policy mt76_tm_policy[NUM_MT...
c2e164ac33f75e0acb93004960c73bd9166d3d35
Analyze and fix the following issue in the Linux kernel code: sched/fair: remove util_est boosting
Problem Details: There is no need to use runnable_avg when estimating util_est and that even generates wrong behavior because one includes blocked tasks whereas the other one doesn't. This can lead to accounting twice the waking task p, once with the blocked runnable_avg and another one when adding its util_est. cpu's...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d3df5b1642a6..f55b0a72772e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7320,9 +7320,6 @@ cpu_util(int cpu, struct task_struct *p, int dst_cpu, int boost) util_est = READ_ONCE(cfs_rq->avg.util_est.enqueued); - if (boost) - ...
62af03223785c11a0916df6a854ef4785d2350a5
Analyze and fix the following issue in the Linux kernel code: perf: Remove unused extern declaration arch_perf_get_page_size()
Problem Details: commit 8af26be06272 ("perf/core: Fix arch_perf_get_page_size()") left behind this. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20230725135038.25060-1-yuehaibing@huawei.com
```diff diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 9b1cf3c19c5f..e83f13ce4a9f 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1860,10 +1860,6 @@ extern void arch_perf_update_userpage(struct perf_event *event, struct perf_event_mmap_page *userpg, ...
5c816728651ae425954542fed64d21d40cb75a9f
Analyze and fix the following issue in the Linux kernel code: arm_pmu: Add PERF_PMU_CAP_EXTENDED_HW_TYPE capability
Problem Details: This capability gives us the ability to open PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE events on a specific PMU for free. All the implementation is contained in the Perf core and tool code so no change to the Arm PMU driver is needed. The following basic use case now results in Perf opening the event ...
```diff diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index f6ccb2cd4dfc..2e79201daa4a 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -880,8 +880,13 @@ struct arm_pmu *armpmu_alloc(void) * configuration (e.g. big.LITTLE). This is not an uncore PMU, * and we have taken ctx sha...
1e611e104b9acb6310b8c684d5acee0e11ca7bd1
Analyze and fix the following issue in the Linux kernel code: mtd: spi-nor: spansion: preserve CFR2V[7] when writing MEMLAT
Problem Details: CFR2V[7] is assigned to Flash's address mode (3- or 4-ybte) and must not be changed when writing MEMLAT (CFR2V[3:0]). CFR2V shall be used in a read, update, write back fashion. Fixes: c3266af101f2 ("mtd: spi-nor: spansion: add support for Cypress Semper flash") Signed-off-by: Takahiro Kuwano <Takahiro...
```diff diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 6b2532ed053c..6460d2247bdf 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -4,6 +4,7 @@ * Copyright (C) 2014, Freescale Semiconductor, Inc. */ +#include <linux/bitfield.h> #include <linu...
fe0ea395f0a35103f61e107b227bf8bc4b9765df
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7603: fix tx filter/flush function
Problem Details: Setting MT_TX_ABORT does not abort any transmission for a wtbl index on its own. Instead, it modifies the behavior of a queue flush to make it selectively flush packets for a particular wtbl index. Adjust powersave filtering to make use of this in order to avoid running into unnecessary timeouts while ...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index de11557eb04c..99ae080502d8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -178,8 +178,9 @@ mt7603_wtbl_set_skip_tx(struct mt...
f090d0ca0de92aa378f342011d16f5d310a8383f
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7603: fix beacon interval after disabling a single vif
Problem Details: When disabling beacons on a vif, intval is 0. Ensure that dev->mt76.beacon_int is not overwritten in this case, so that beacons continue to work for other interfaces. Signed-off-by: Felix Fietkau <nbd@nbd.name>
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c index b65b0a88c1de..888678732f29 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/beacon.c @@ -161,7 +161,8 @@ void mt7603_beacon_se...
3ec5ac12ac8a4e6b1e085374325a5fbd1b650fd5
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7915: remove VHT160 capability on MT7915
Problem Details: The IEEE80211_VHT_CAP_EXT_NSS_BW value already indicates support for half-NSS 160 MHz support, so it is wrong to also advertise full 160 MHz support. Fixes: c2f73eacee3b ("wifi: mt76: mt7915: add back 160MHz channel width support for MT7915") Signed-off-by: Felix Fietkau <nbd@nbd.name>
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index ee976657bfc3..78552f10b377 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -414,7 +414,6 @@ mt7915_init_wiphy(struct mt79...
02a894046d5ab7d0010f39ea54fde7e167919d04
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7915: fix capabilities in non-AP mode
Problem Details: Capabilities in vif->bss_conf are only initialized in AP mode. For other modes, they should be enabled by default, in order to avoid a mismatch. Fixes: 885f7af7e544 ("wifi: mt76: mt7915: remove mt7915_mcu_beacon_check_caps()") Signed-off-by: Felix Fietkau <nbd@nbd.name>
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index decb60aac9dd..eb95fb28d354 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -269,6 +269,7 @@ static int mt7915_add_interfa...
2422f74eb9dc99097c9537c30ef50f88a0b54acb
Analyze and fix the following issue in the Linux kernel code: dt-bindings: pinctrl: qcom,pmic-gpio: document PMC8180 and PMC8180C
Problem Details: Document qcom,pmc8180-gpio and qcom,pmc8180c-gpio compatibles already used in DTS and in the same binding in allOf:if:then section for narrowing available GPIOs: sc8180x-primus.dtb: pmic@4: gpio@c000:compatible:0: 'qcom,pmc8180c-gpio' is not one of ... Fixes: 04bed6407ee6 ("dt-bindings: pinctrl: qc...
```diff diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml index 8aaf50181cef..15db3ffd41a2 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.yaml +++ b/Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.ya...
d4a7ce642100765119a872d4aba1bf63e3a22c8a
Analyze and fix the following issue in the Linux kernel code: igc: Fix Kernel Panic during ndo_tx_timeout callback
Problem Details: The Xeon validation group has been carrying out some loaded tests with various HW configurations, and they have seen some transmit queue time out happening during the test. This will cause the reset adapter function to be called by igc_tx_timeout(). Similar race conditions may arise when the interface ...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index f36bc2a1849a..bdeb36790d77 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -316,6 +316,33 @@ static void igc_clean_all_tx_rings(struct igc_adapter *a...
57f706bf73079379a9e9f5490c94c2473077bb2e
Analyze and fix the following issue in the Linux kernel code: ARM: dts: samsung: exynos4412-midas: add USB connector and USB OTG
Problem Details: Add full description of USB-MUIC (MAX77693 MUIC) and MUIC-MHL connections, along with proper USB connector and OTG mode for DWC2 USB controller. This fixes dtc W=1 warnings: Warning (graph_child_address): /i2c-mhl/hdmi-bridge@39/ports: graph node has single child node 'port@0', #address-cells/#size...
```diff diff --git a/arch/arm/boot/dts/samsung/exynos4412-midas.dtsi b/arch/arm/boot/dts/samsung/exynos4412-midas.dtsi index 57836d5554d0..7daf25865551 100644 --- a/arch/arm/boot/dts/samsung/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4412-midas.dtsi @@ -182,6 +182,38 @@ pinctrl-0 = <&max77693_irq>;...
4f861a9b8167ab2b4d96ed13544aa6133ae7bf55
Analyze and fix the following issue in the Linux kernel code: ARM: dts: samsung: exynos5250-snow: use 'gpios' suffix for i2c-arb
Problem Details: Linux drivers support both variants - gpios and gpio - but first is preferred. Link: https://lore.kernel.org/r/20230721133246.15752-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
```diff diff --git a/arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi index c82e2762e07c..64f00c5fd322 100644 --- a/arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi +++ b/arch/arm/boot/dts/samsung/exynos5250-snow-common.dtsi @@ -65,7 +65,7 @@ i2c-pa...
dfd739f182b00b02bd7470ed94d112684cc04fa2
Analyze and fix the following issue in the Linux kernel code: net: dsa: qca8k: fix mdb add/del case with 0 VID
Problem Details: The qca8k switch doesn't support using 0 as VID and require a default VID to be always set. MDB add/del function doesn't currently handle this and are currently setting the default VID. Fix this by correctly handling this corner case and internally use the default VID for VID 0 case. Fixes: ba8f870df...
```diff diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c index b644c05337c5..13b8452ce5b2 100644 --- a/drivers/net/dsa/qca/qca8k-common.c +++ b/drivers/net/dsa/qca/qca8k-common.c @@ -816,6 +816,9 @@ int qca8k_port_mdb_add(struct dsa_switch *ds, int port, const u8 *addr = mdb->addr;...
ae70dcb9d9ecaf7d9836d3e1b5bef654d7ef5680
Analyze and fix the following issue in the Linux kernel code: net: dsa: qca8k: fix broken search_and_del
Problem Details: On deleting an MDB entry for a port, fdb_search_and_del is used. An FDB entry can't be modified so it needs to be deleted and readded again with the new portmap (and the port deleted as requested) We use the SEARCH operator to search the entry to edit by vid and mac address and then we check the aging...
```diff diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c index 4909603d07c8..b644c05337c5 100644 --- a/drivers/net/dsa/qca/qca8k-common.c +++ b/drivers/net/dsa/qca/qca8k-common.c @@ -293,6 +293,10 @@ static int qca8k_fdb_search_and_del(struct qca8k_priv *priv, u8 port_mask, if (ret...
80248d4160894d7e40b04111bdbaa4ff93fc4bd7
Analyze and fix the following issue in the Linux kernel code: net: dsa: qca8k: fix search_and_insert wrong handling of new rule
Problem Details: On inserting a mdb entry, fdb_search_and_insert is used to add a port to the qca8k target entry in the FDB db. A FDB entry can't be modified so it needs to be removed and insert again with the new values. To detect if an entry already exist, the SEARCH operation is used and we check the aging of the ...
```diff diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c index 8c2dc0e48ff4..4909603d07c8 100644 --- a/drivers/net/dsa/qca/qca8k-common.c +++ b/drivers/net/dsa/qca/qca8k-common.c @@ -244,7 +244,7 @@ void qca8k_fdb_flush(struct qca8k_priv *priv) } static int qca8k_fdb_search_and_i...
2c39dd025da489cf87d26469d9f5ff19715324a0
Analyze and fix the following issue in the Linux kernel code: net: dsa: qca8k: enable use_single_write for qca8xxx
Problem Details: The qca8xxx switch supports 2 way to write reg values, a slow way using mdio and a fast way by sending specially crafted mgmt packet to read/write reg. The fast way can support up to 32 bytes of data as eth packet are used to send/receive. This correctly works for almost the entire regmap of the swit...
```diff diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index 09b80644c11b..efe9380d4a15 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -576,8 +576,11 @@ static struct regmap_config qca8k_regmap_config = { .rd_table = &qca8k_readable_table, ....
f8ea95021022826a010f56cf19451c21f4c9c155
Analyze and fix the following issue in the Linux kernel code: misc/genalloc: Name subpools by of_node_full_name()
Problem Details: A previous commit tried to come up with more generic subpool names, but this isn't quite working: the node name was used elsewhere to match pools to consumers which regressed the nVidia Tegra 2/3 video decoder. Revert back to an earlier approach using of_node_full_name() instead of just the name to ma...
```diff diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c index 5757adf418b1..61209739dc43 100644 --- a/drivers/misc/sram.c +++ b/drivers/misc/sram.c @@ -236,7 +236,7 @@ static int sram_reserve_regions(struct sram_dev *sram, struct resource *res) } if (!label) block->label = devm_kasprintf(sram->dev, ...
96839282edc28996809b2101afef8ae971b9dad7
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: wifi: rtw88: change Ping as the maintainer
Problem Details: Yan-Hsuan has been away since 2021 and Ping has been the de facto maintainer the past year, actively reviewing patches and doing all other maintainer duties. So fix the MAINTAINERS file to show the current situation. Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230724...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 42e78a696be6..58b399c7fb5e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17969,7 +17969,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.g F: drivers/net/wireless/realtek/rtlwifi/ REALTEK WIRELESS DRIVER (rtw88) -M: Yan-Hsuan C...
fd7f08d92fcd7cc3eca0dd6c853f722a4c6176df
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: Fix return value in scan logic
Problem Details: The reporter noticed a warning when running iwlwifi: WARNING: CPU: 8 PID: 659 at mm/page_alloc.c:4453 __alloc_pages+0x329/0x340 As cfg80211_parse_colocated_ap() is not expected to return a negative value return 0 and not a negative value if cfg80211_calc_short_ssid() fails. Fixes: c8cb5b854b40f ("nl...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 8bf00caf5d29..0cf1ce7b6934 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -657,7 +657,7 @@ static int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, ret = cfg80211_calc_short_ssid(ies, &ssid_elem, &s_ssid_tmp); if...
d265ebe41c911314bd273c218a37088835959fa1
Analyze and fix the following issue in the Linux kernel code: Revert "wifi: ath11k: Enable threaded NAPI"
Problem Details: This reverts commit 13aa2fb692d3717767303817f35b3e650109add3. This commit broke QCN9074 initialisation: [ 358.960477] ath11k_pci 0000:04:00.0: ce desc not available for wmi command 36866 [ 358.960481] ath11k_pci 0000:04:00.0: failed to send WMI_STA_POWERSAVE_PARAM_CMDID [ 358.960484] ath11k_pci 00...
```diff diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index 1cebba7889d7..139da578831a 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -376,7 +376,6 @@ static void ath11k_ahb_ext_irq_enable(struct ath11k_base *ab) struct a...
02ab7234fc69695736d60b34044fe591689ffadd
Analyze and fix the following issue in the Linux kernel code: selftests/ftrace: Fix to check fprobe event eneblement
Problem Details: Fix to check the availability of fprobe and kprobes for add_remove_btfarg.tc. Only if both kprobe and fprobe are not supported, it should return "unsupported". Link: https://lore.kernel.org/all/169024904889.395371.17998733386857387118.stgit@devnote2/ Fixes: 4231f30fcc34 ("selftests/ftrace: Add BTF ar...
```diff diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc index b89de1771655..f34b14ef9781 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc +++ b/tools/testing/selftests/ftrace/test.d/dyn...
1f9f4f4777e7958e5c1fbdfd9ddf4207dc00a40f
Analyze and fix the following issue in the Linux kernel code: tracing/probes: Fix to add NULL check for BTF APIs
Problem Details: Since find_btf_func_param() abd btf_type_by_id() can return NULL, the caller must check the return value correctly. Link: https://lore.kernel.org/all/169024903951.395371.11361556840733470934.stgit@devnote2/ Fixes: b576e09701c7 ("tracing/probes: Support function parameters if BTF is available") Signed...
```diff diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index b2b726bea1f9..c68a72707852 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -386,12 +386,12 @@ static const struct btf_type *find_btf_func_proto(const char *funcname) /* Get BTF_KIND_FUNC type */ t = btf_...
e11ec2b868af2b351c6c1e2e50eb711cc5423a10
Analyze and fix the following issue in the Linux kernel code: net: ipa: only reset hashed tables when supported
Problem Details: Last year, the code that manages GSI channel transactions switched from using spinlock-protected linked lists to using indexes into the ring buffer used for a channel. Recently, Google reported seeing transaction reference count underflows occasionally during shutdown. Doug Anderson found a way to re...
```diff diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index f0529c31d0b6..7b637bb8b41c 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -273,16 +273,15 @@ static int ipa_filter_reset(struct ipa *ipa, bool modem) if (ret) return ret; - ret = ipa_filter_reset_t...
a0ade8404c3bc2bf2631cb0f20d372eed22d9d96
Analyze and fix the following issue in the Linux kernel code: af_packet: Fix warning of fortified memcpy() in packet_getname().
Problem Details: syzkaller found a warning in packet_getname() [0], where we try to copy 16 bytes to sockaddr_ll.sll_addr[8]. Some devices (ip6gre, vti6, ip6tnl) have 16 bytes address expressed by struct in6_addr. Also, Infiniband has 32 bytes as MAX_ADDR_LEN. The write seems to overflow, but actually not since we u...
```diff diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index 9efc42382fdb..4d0ad22f83b5 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -18,7 +18,11 @@ struct sockaddr_ll { unsigned short sll_hatype; unsigned char sll_pkttype; unsigned char sll_hal...
06d4c8a80836d76ffec4f71ddb3de94ee93ab40d
Analyze and fix the following issue in the Linux kernel code: af_unix: Fix fortify_panic() in unix_bind_bsd().
Problem Details: syzkaller found a bug in unix_bind_bsd() [0]. We can reproduce it by bind()ing a socket on a path with length 108. 108 is the size of sun_addr of struct sockaddr_un and is the maximum valid length for the pathname socket. When calling bind(), we use struct sockaddr_storage as the actual buffer size,...
```diff diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 123b35ddfd71..bbacf4c60fe3 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1208,10 +1208,8 @@ static int unix_bind_bsd(struct sock *sk, struct sockaddr_un *sunaddr, struct path parent; int err; - unix_mkname_bsd(sunaddr, addr_len); - ...
55cef78c244d0d076f5a75a35530ca63c92f4426
Analyze and fix the following issue in the Linux kernel code: macvlan: add forgotten nla_policy for IFLA_MACVLAN_BC_CUTOFF
Problem Details: The previous commit 954d1fa1ac93 ("macvlan: Add netlink attribute for broadcast cutoff") added one additional attribute named IFLA_MACVLAN_BC_CUTOFF to allow broadcast cutfoff. However, it forgot to describe the nla_policy at macvlan_policy (drivers/net/macvlan.c). Hence, this suppose NLA_S32 (4 bytes...
```diff diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 4a53debf9d7c..ed908165a8b4 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1746,6 +1746,7 @@ static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = { [IFLA_MACVLAN_MACADDR_COUNT] = { .type = NLA_U32 }, [IFLA_M...
d4e0265345778c623d1fe619075b677731847c34
Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Fix error return code in pm8001_pci_probe()
Problem Details: If pm8001_init_sas_add() fails, return error code in pm8001_pci_probe(). Fixes: 14a8f116cdc0 ("scsi: pm80xx: Add GET_NVMD timeout during probe") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20230725125706.566990-1-yangyingliang@huawei.com Reviewed-by: Igor P...
```diff diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 2e886c1d867d..4995e1ef4e0e 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -1181,7 +1181,8 @@ static int pm8001_pci_probe(struct pci_dev *pdev, pm80xx_set_thermal_config(pm8001_h...
e65851989001c0c9ba9177564b13b38201c0854c
Analyze and fix the following issue in the Linux kernel code: scsi: zfcp: Defer fc_rport blocking until after ADISC response
Problem Details: Storage devices are free to send RSCNs, e.g. for internal state changes. If this happens on all connected paths, zfcp risks temporarily losing all paths at the same time. This has strong requirements on multipath configuration such as "no_path_retry queue". Avoid such situations by deferring fc_rport ...
```diff diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index f21307537829..4f0d0e55f0d4 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -534,8 +534,7 @@ static void zfcp_fc_adisc_handler(void *data) /* re-init to undo drop from zfcp_fc_adisc() */ port->d_id = ...
47cd3770e31df942e2bb925a9a855c79ed0662eb
Analyze and fix the following issue in the Linux kernel code: scsi: qla4xxx: Add length check when parsing nlattrs
Problem Details: There are three places that qla4xxx parses nlattrs: - qla4xxx_set_chap_entry() - qla4xxx_iface_set_param() - qla4xxx_sysfs_ddb_set_param() and each of them directly converts the nlattr to specific pointer of structure without length checking. This could be dangerous as those attributes are not v...
```diff diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index b2a3988e1e15..675332e49a7b 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -968,6 +968,11 @@ static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) memset(&chap_rec, 0, s...
ee0268f230f66cb472df3424f380ea668da2749a
Analyze and fix the following issue in the Linux kernel code: scsi: be2iscsi: Add length check when parsing nlattrs
Problem Details: beiscsi_iface_set_param() parses nlattr with nla_for_each_attr and assumes every attributes can be viewed as struct iscsi_iface_param_info. This is not true because there is no any nla_policy to validate the attributes passed from the upper function iscsi_set_iface_params(). Add the nla_len check bef...
```diff diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 8aeaddc93b16..8d374ae863ba 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -450,6 +450,10 @@ int beiscsi_iface_set_param(struct Scsi_Host *shost, } nla_for_each_attr(attrib, data,...
ce51c817008450ef4188471db31639d42d37a5e1
Analyze and fix the following issue in the Linux kernel code: scsi: iscsi: Add strlen() check in iscsi_if_set{_host}_param()
Problem Details: The functions iscsi_if_set_param() and iscsi_if_set_host_param() convert an nlattr payload to type char* and then call C string handling functions like sscanf and kstrdup: char *data = (char*)ev + sizeof(*ev); ... sscanf(data, "%d", &value); However, since the nlattr is provided by the user-spa...
```diff diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 62b24f1c0232..3075b2ddf7a6 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -3030,6 +3030,10 @@ iscsi_if_set_param(struct iscsi_transport *transport, struct iscsi_uevent *ev,...
971dfcb74a800047952f5288512b9c7ddedb050a
Analyze and fix the following issue in the Linux kernel code: scsi: iscsi: Add length check for nlattr payload
Problem Details: The current NETLINK_ISCSI netlink parsing loop checks every nlmsg to make sure the length is bigger than sizeof(struct iscsi_uevent) and then calls iscsi_if_recv_msg(). nlh = nlmsg_hdr(skb); if (nlh->nlmsg_len < sizeof(*nlh) + sizeof(*ev) || skb->len < nlh->nlmsg_len) { break; } ... ...
```diff diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index e527ece12453..62b24f1c0232 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -3014,14 +3014,15 @@ iscsi_if_destroy_conn(struct iscsi_transport *transport, struct iscsi_uevent ...
2903265e27bfc6dea915dd9e17a1b2587f621f73
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: Fix residual handling
Problem Details: Only call scsi_set_resid() in case of an underflow. Do not call scsi_set_resid() in case of an overflow. Cc: Avri Altman <avri.altman@wdc.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Fixes: cb38845d90fc ("scsi: ufs: core: Set the residual byte count") Signed-off-by: Bart Van Assche <bvanassche@acm...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index c394dc50504a..27e1a4914837 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -5222,9 +5222,17 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, int result = 0; int scsi_status; enum u...
89e637c19b2441aabc8dbf22a8745b932fd6996e
Analyze and fix the following issue in the Linux kernel code: scsi: RDMA/srp: Fix residual handling
Problem Details: Although the code for residual handling in the SRP initiator follows the SCSI documentation, that documentation has never been correct. Because scsi_finish_command() starts from the data buffer length and subtracts the residual, scsi_set_resid() must not be called if a residual overflow occurs. Hence r...
```diff diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 0e513a7e5ac8..1574218764e0 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1979,12 +1979,8 @@ static void srp_process_rsp(struct srp_rdma_ch *ch, struct srp_rsp *rsp) ...
65aca38b8ce728bf5a449b74f2a6a344167dfb02
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: qcom: Remove unused variable
Problem Details: A recent change removed the only user of a local variable that needs to now also be removed: drivers/ufs/host/ufs-qcom.c: In function 'ufs_qcom_mcq_esi_handler': drivers/ufs/host/ufs-qcom.c:1652:31: error: unused variable 'host' [-Werror=unused-variable] Fixes: 8f2b78652d05 ("scsi: ufs: qcom: Get que...
```diff diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 3ee5ff905f9a..5728e94b6527 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1649,7 +1649,6 @@ static irqreturn_t ufs_qcom_mcq_esi_handler(int irq, void *data) struct msi_desc *desc = data; struct devic...
63e2da3b7f7f63f881aa508825b0c4241e9910e1
Analyze and fix the following issue in the Linux kernel code: bpf: work around -Wuninitialized warning
Problem Details: Splitting these out into separate helper functions means that we actually pass an uninitialized variable into another function call if dec_active() happens to not be inlined, and CONFIG_PREEMPT_RT is disabled: kernel/bpf/memalloc.c: In function 'add_obj_to_free_list': kernel/bpf/memalloc.c:200:9: erro...
```diff diff --git a/kernel/bpf/memalloc.c b/kernel/bpf/memalloc.c index 51d6389e5152..14d9b1a9a4ca 100644 --- a/kernel/bpf/memalloc.c +++ b/kernel/bpf/memalloc.c @@ -183,11 +183,11 @@ static void inc_active(struct bpf_mem_cache *c, unsigned long *flags) WARN_ON_ONCE(local_inc_return(&c->active) != 1); } -static v...
d62cc390c2e99ae267ffe4b8d7e2e08b6c758c32
Analyze and fix the following issue in the Linux kernel code: bpf: Disable preemption in bpf_event_output
Problem Details: We received report [1] of kernel crash, which is caused by using nesting protection without disabled preemption. The bpf_event_output can be called by programs executed by bpf_prog_run_array_cg function that disabled migration but keeps preemption enabled. This can cause task to be preempted by anoth...
```diff diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index bf18a53731b0..bd1a42b23f3f 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -718,7 +718,6 @@ static DEFINE_PER_CPU(struct bpf_trace_sample_data, bpf_misc_sds); u64 bpf_event_output(struct bpf_map *map, u64 flags, void...
f2c67a3e60d1071b65848efaa8c3b66c363dd025
Analyze and fix the following issue in the Linux kernel code: bpf: Disable preemption in bpf_perf_event_output
Problem Details: The nesting protection in bpf_perf_event_output relies on disabled preemption, which is guaranteed for kprobes and tracepoints. However bpf_perf_event_output can be also called from uprobes context through bpf_prog_run_array_sleepable function which disables migration, but keeps preemption enabled. T...
```diff diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 5f2dcabad202..bf18a53731b0 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -661,8 +661,7 @@ static DEFINE_PER_CPU(int, bpf_trace_nest_level); BPF_CALL_5(bpf_perf_event_output, struct pt_regs *, regs, struct bpf_map *...
b9080468caeddc58a91edd1c3a7d212ea82b0d1d
Analyze and fix the following issue in the Linux kernel code: samples/hw_breakpoint: fix building without module unloading
Problem Details: __symbol_put() is really meant as an internal helper and is not available when module unloading is disabled, unlike the previously used symbol_put(): samples/hw_breakpoint/data_breakpoint.c: In function 'hw_break_module_exit': samples/hw_breakpoint/data_breakpoint.c:73:9: error: implicit declaration o...
```diff diff --git a/samples/hw_breakpoint/data_breakpoint.c b/samples/hw_breakpoint/data_breakpoint.c index 9debd128b2ab..b99322f188e5 100644 --- a/samples/hw_breakpoint/data_breakpoint.c +++ b/samples/hw_breakpoint/data_breakpoint.c @@ -70,7 +70,9 @@ fail: static void __exit hw_break_module_exit(void) { unregiste...
1cfe2d28e4d50a4e3e49344ade3b28f8dc26f891
Analyze and fix the following issue in the Linux kernel code: ata: pata_octeon_cf: fix error return code in octeon_cf_probe()
Problem Details: The variable 'rv' is set to 0 after calling of_property_read_reg(), so it cannot be used as an error code. Change to using correct error codes in the error path. Fixes: d0b2461678b1 ("ata: Use of_property_read_reg() to parse "reg"") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by:...
```diff diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index ff538b858928..2884acfc4863 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -815,8 +815,8 @@ static int octeon_cf_probe(struct platform_device *pdev) irq_handler_t irq_handler = NULL; void __iomem *...
8135ade32c0db48e2e75b039b2c2454f722762de
Analyze and fix the following issue in the Linux kernel code: RISC-V: shunt isa_ext_arr to cpufeature.c
Problem Details: To facilitate using one struct to define extensions, rather than having several, shunt isa_ext_arr to cpufeature.c, where it will be used for probing extension presence also. As that scope of the array as widened, prefix it with riscv & drop the type from the variable name. Since the new array is cons...
```diff diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index f041bfa7f6a0..7a57e6109aef 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -76,6 +76,9 @@ struct riscv_isa_ext_data { unsigned int isa_ext_id; }; +extern const struct riscv_isa_ext_data ri...
23059893967826467e36c6d9f7428cc79dd48a11
Analyze and fix the following issue in the Linux kernel code: RISC-V: Provide a more helpful error message on invalid ISA strings
Problem Details: Right now we provide a somewhat unhelpful error message on systems with invalid error messages, something along the lines of CPU with hartid=0 is not available ------------[ cut here ]------------ kernel BUG at arch/riscv/kernel/smpboot.c:174! Kernel BUG [#1] Modules linked in: CPU: 0 PID: 0 Com...
```diff diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index a2fc952318e9..3af2d214ce21 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -66,11 +66,15 @@ int riscv_early_of_processor_hartid(struct device_node *node, unsigned long *har return -ENODEV; } - if (IS_ENABLED(CONFIG...
9f9116406120638b4d8db3831ffbc430dd2e1e95
Analyze and fix the following issue in the Linux kernel code: x86/traps: Fix load_unaligned_zeropad() handling for shared TDX memory
Problem Details: Commit c4e34dd99f2e ("x86: simplify load_unaligned_zeropad() implementation") changes how exceptions around load_unaligned_zeropad() handled. The kernel now uses the fault_address in fixup_exception() to verify the address calculations for the load_unaligned_zeropad(). It works fine for #PF, but brea...
```diff diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 58b1f208eff5..4a817d20ce3b 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -697,9 +697,10 @@ static bool try_fixup_enqcmd_gp(void) } static bool gp_try_fixup_and_notify(struct pt_regs *regs, int trapnr, - unsig...
13fd5e14afa57ba82189d5fd9ceb0435e5693bcc
Analyze and fix the following issue in the Linux kernel code: selftests/xsk: Fix spelling mistake "querrying" -> "querying"
Problem Details: There is a spelling mistake in an error message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Acked-by: Björn Töpel <bjorn@kernel.org> Link: https://lore.kernel.org/r/20230720104815.123146-1-colin.i.king@gmail.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c index 3ff436706640..2827f2d7cf30 100644 --- a/tools/testing/selftests/bpf/xskxceiver.c +++ b/tools/testing/selftests/bpf/xskxceiver.c @@ -2076,7 +2076,7 @@ static void init_iface(struct ifobject *ifobj, const char *...
9c02bec95954252c3c01bfbb3f7560e0b95ca955
Analyze and fix the following issue in the Linux kernel code: bpf, net: Support SO_REUSEPORT sockets with bpf_sk_assign
Problem Details: Currently the bpf_sk_assign helper in tc BPF context refuses SO_REUSEPORT sockets. This means we can't use the helper to steer traffic to Envoy, which configures SO_REUSEPORT on its sockets. In turn, we're blocked from removing TPROXY from our setup. The reason that bpf_sk_assign refuses such sockets ...
```diff diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index a6722d6ef80f..284b5ce7205d 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -103,6 +103,46 @@ static inline struct sock *__inet6_lookup(struct net *net, daddr, hnum, dif, sdif); } +...
67312adc96b5a585970d03b62412847afe2c6b01
Analyze and fix the following issue in the Linux kernel code: bpf: reject unhashed sockets in bpf_sk_assign
Problem Details: The semantics for bpf_sk_assign are as follows: sk = some_lookup_func() bpf_sk_assign(skb, sk) bpf_sk_release(sk) That is, the sk is not consumed by bpf_sk_assign. The function therefore needs to make sure that sk lives long enough to be consumed from __inet_lookup_skb. The path through t...
```diff diff --git a/net/core/filter.c b/net/core/filter.c index 797e8f039696..b5b51ef48c5f 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -7353,6 +7353,8 @@ BPF_CALL_3(bpf_sk_assign, struct sk_buff *, skb, struct sock *, sk, u64, flags) return -ENETUNREACH; if (unlikely(sk_fullsock(sk) && sk->sk_reusep...
f0ea27e7bfe1c34e1f451a63eb68faa1d4c3a86d
Analyze and fix the following issue in the Linux kernel code: udp: re-score reuseport groups when connected sockets are present
Problem Details: Contrary to TCP, UDP reuseport groups can contain TCP_ESTABLISHED sockets. To support these properly we remember whether a group has a connected socket and skip the fast reuseport early-return. In effect we continue scoring all reuseport sockets and then choose the one with the highest score. The curr...
```diff diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 8c3ebd95f5b9..0d81339bda2f 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -451,14 +451,24 @@ static struct sock *udp4_lib_lookup2(struct net *net, score = compute_score(sk, net, saddr, sport, daddr, hnum, dif, sdif); if (score > badness) {...
75d9bf03e2fa38242b35e941ce7c7cdabe479961
Analyze and fix the following issue in the Linux kernel code: regulator: dt-bindings: qcom,rpm: fix pattern for children
Problem Details: The "or" (|) in regular expression must be within parentheses, otherwise it is not really an "or" and it matches supplies: qcom-apq8060-dragonboard.dtb: regulators-1: vdd_ncp-supply: [[34]] is not of type 'object' Fixes: fde0e25b71a9 ("dt-bindings: regulators: convert non-smd RPM Regulators binding...
```diff diff --git a/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml index 8a08698e3484..b4eb4001eb3d 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,rpm-regulator.yaml +++ b/Documentation/devicetree/bindings/regulat...
7631a0c5b093fe1bc27b4770021c4aa0d06fb3c5
Analyze and fix the following issue in the Linux kernel code: regulator: dt-bindings: active-semi,act8846: correct supplies
Problem Details: Regulator supplies are per-device, not per regulator, so they are expected to be present in device node. Moving them to proper place allows to simplify a lot, because now none of the regulators differ. This also fixes dtbs_check warnings like: rk3368-evb-act8846.dtb: act8846@5a: 'inl1-supply', 'in...
```diff diff --git a/Documentation/devicetree/bindings/regulator/active-semi,act8846.yaml b/Documentation/devicetree/bindings/regulator/active-semi,act8846.yaml index 3725348bb235..02f45b5834d0 100644 --- a/Documentation/devicetree/bindings/regulator/active-semi,act8846.yaml +++ b/Documentation/devicetree/bindings/regu...
e5481cc40d00b9f4a3250b2fd4a805e3d000b229
Analyze and fix the following issue in the Linux kernel code: regulator: dt-bindings: dlg,da9121: allow different names
Problem Details: Regulator names, as specified by regulator-name, are board-dependent and should describe the name used on the actual board. Do not enforce generic buck1/2 names. This also fixes dtbs_check warnings like: zynqmp-sm-k26-revA.dtb: pmic@33: regulators:buck1:regulator-name:0: 'da9131_buck1' does not ma...
```diff diff --git a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml index 43f99bc8fbd4..13b3f75f8e5e 100644 --- a/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml +++ b/Documentation/devicetree/bindings/regulator/dlg,da9121.yaml @@ -9...
6b677c1ae8e4096c84fbcbe1b7fd300dab0b381b
Analyze and fix the following issue in the Linux kernel code: regulator: REGULATOR_QCOM_REFGEN should depend on ARCH_QCOM
Problem Details: The Qualcomm MMIO-mapped reference voltage regulator is only present on Qualcomm SoCs. Hence add a dependency on ARCH_QCOM, to prevent asking the user about this driver when configuring a kernel without Qualcomm SoC support. Fixes: 7cbfbe23796086fd ("regulator: Introduce Qualcomm REFGEN regulator dri...
```diff diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 542a7b427994..94f44736473e 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1001,6 +1001,7 @@ config REGULATOR_PWM config REGULATOR_QCOM_REFGEN tristate "Qualcomm REFGEN regulator driver" + depends on ARCH_QC...
38ac4e8385ffb275b1837986ca6c16f26ea028c5
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Unlock on error path in dm_handle_mst_sideband_msg_ready_event()
Problem Details: This error path needs to unlock the "aconnector->handle_mst_msg_ready" mutex before returning. Fixes: 4f6d9e38c4d2 ("drm/amd/display: Add polling method to handle MST reply packet") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 888e80f498e9..9bc86deac9e8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -7...
c01aebeef3ce45f696ffa0a1303cea9b34babb45
Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix an error handling mistake in psp_sw_init()
Problem Details: If the second call to amdgpu_bo_create_kernel() fails, the memory allocated from the first call should be cleared. If the third call fails, the memory from the second call should be cleared. Fixes: b95b5391684b ("drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_init") Signed-off-by: Mario Lim...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 6d676bdd1505..78d1ee71f3f4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -498,11 +498,11 @@ static int psp_sw_init(void *handle) return 0; failed2: - ...
9beb223f2a3d1bb2cc4dff71b9750d2b82f01ae5
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix infinite loop in gfxhub_v1_2_xcc_gart_enable (v2)
Problem Details: An instance of for_each_inst() was not changed to match its new behaviour and is causing a loop. v2: remove tmp_mask variable Fixes: b579ea632fca ("drm/amdgpu: Modify for_each_inst macro") Signed-off-by: Victor Lu <victorchengchi.lu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-o...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c index 4dabf910334b..d9f14dc55998 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c @@ -402,18 +402,15 @@ static void gfxhub_v1_2_xcc_program_invalidation(struct amd...
602816c3ee3fdbf4a72cb4d2e5b8b756a5104b0f
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: fix trap handling work around for debugging
Problem Details: Update the list of devices that require the cwsr trap handling workaround for debugging use cases. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Acked-by: Ruili Ji <ruili.ji@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c index fff3ccc04fa9..9766076e9ec4 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c @@ -302,8 +302,7 @@ static int kfd_dbg_set_queue_workaround(struct queue *q, bool enable)...
faafd6ca7e6e7100d21d3f43ec17674f36c9f843
Analyze and fix the following issue in the Linux kernel code: memory: tegra: make icc_set_bw return zero if BWMGR not supported
Problem Details: Return zero from icc_set_bw() to MC client driver if MRQ_BWMGR_INT is not supported by the BPMP-FW. Currently, 'EINVAL' is returned which causes error message in client drivers even when the platform doesn't support scaling. Fixes: 9365bf006f53 ("PCI: tegra194: Add interconnect support in Tegra234") S...
```diff diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c index 4469430aa5fb..8fb83b39f5f5 100644 --- a/drivers/memory/tegra/tegra234.c +++ b/drivers/memory/tegra/tegra234.c @@ -827,7 +827,7 @@ static int tegra234_mc_icc_set(struct icc_node *src, struct icc_node *dst) return 0; if (!...
1634de418b3048c5f435b6ffd37f75943c554c04
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7996: fix WA event ring size
Problem Details: Fix rx ring size of WA event to get rid of event loss and queue overflow problems. Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c index 99b00a135711..586e247a1e06 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c @@ -308,7 +308,7 @@ int mt7996_dma_init(struct mt7996...
9ffe0d5690ed916e09baad2cc9ee7ec65b110038
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7996: use correct phy for background radar event
Problem Details: If driver directly uses the band_idx reported from the radar event to access mt76_phy array, it will get the wrong phy for background radar. Fix this by adjusting the statement. Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: StanleyYP Wang...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index 0ede9769a8e8..20519bffce21 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -339,7 +339,11 @@ mt7996_mcu_rx_radar_detected(str...
cc945b546227423488fe4be0ab92fd126b703246
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7996: fix bss wlan_idx when sending bss_info command
Problem Details: The bmc_tx_wlan_idx should be the wlan_idx of the current bss rather than peer AP's wlan_idx, otherwise there will appear some frame decryption problems on station mode. Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Reviewed-by: Shayne Chen <shayne.chen...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index 545cc98749ac..6706d38cf4cf 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -712,6 +712,7 @@ mt7996_mcu_bss_basic_tlv(struct s...
c4f0755823045b66484fb53d686f85d3151400f4
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7915: fix command timeout in AP stop period
Problem Details: Due to AP stop improperly, mt7915 driver would face random command timeout by chip fw problem. Migrate AP start/stop process to .start_ap/.stop_ap and congiure BSS network settings in both hooks. The new flow is shown below. * AP start .start_ap() configure BSS network resource set BSS...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 64c02734a3f2..679397dddf0f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -599,6 +599,7 @@ static void mt7915_bss_info_c...
0e5911bb7cc92c00dda9b4d635c1266b7ca915c6
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7921: fix non-PSC channel scan fail
Problem Details: Due to the scan command may only request legacy bands and PSC channel in 6GHz band, we are unable to scan the APs on non-PSC channel in this case. Enable WIPHY_FLAG_SPLIT_SCAN_6GHZ to support non-PSC channel (obtained during scan on legacy bands) in 6GHz scan request. Fixes: 50ac15a511e3 ("mt76: mt792...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index bf1da9fddfab..f41975e37d06 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -113,7 +113,8 @@ mt7921_init_wiphy(struct ieee...
b642f4c5f3de0a8f47808d32b1ebd9c427a42a66
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7921: fix skb leak by txs missing in AMSDU
Problem Details: txs may be dropped if the frame is aggregated in AMSDU. When the problem shows up, some SKBs would be hold in driver to cause network stopped temporarily. Even if the problem can be recovered by txs timeout handling, mt7921 still need to disable txs in AMSDU to avoid this issue. Cc: stable@vger.kernel...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index 3501f0503118..f481ca3a0db8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -495,6 +495,7 @@ void mt76_con...