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17535a33a9c1e4fb52f3db1d72a7ddbe4cea1a2e
Analyze and fix the following issue in the Linux kernel code: perf lock contention: Fix compiler builtin detection
Problem Details: __has_builtin was passed the macro rather than the actual builtin feature. The builtin test isn't sufficient and a clang version test also needs to be performed. Fixes: 1bece1351c653c3d ("perf lock contention: Support old rw_semaphore type") Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-b...
```diff diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c index e6007eaeda1a..141b36d13b19 100644 --- a/tools/perf/util/bpf_skel/lock_contention.bpf.c +++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c @@ -182,7 +182,13 @@ static inline struct task_struct *ge...
347c2f0a0988c59c402148054ef54648853fa669
Analyze and fix the following issue in the Linux kernel code: perf parse-events: Sort and group parsed events
Problem Details: This change is intended to be a no-op for most current cases, the default sort order is the order the events were parsed. Where it varies is in how groups are handled. Previously an uncore and core event that are grouped would most often cause the group to be removed: ``` $ perf stat -e '{instructions...
```diff diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c index 8a7ae4162563..d4193479a364 100644 --- a/tools/perf/arch/x86/util/evlist.c +++ b/tools/perf/arch/x86/util/evlist.c @@ -65,29 +65,22 @@ int arch_evlist__add_default_attrs(struct evlist *evlist, return ___evlist__add_default...
b5bec0f00ee1c52ff0965a5dba4c91c413a6f3de
Analyze and fix the following issue in the Linux kernel code: dt-bindings: soc: qcom,apr: correct qcom,intents type
Problem Details: The qcom,intents property is a list of pairs, thus it should be defined as uint32-matrix. Fixes: b2d7616e13c4 ("dt-bindings: soc: qcom: apr: add missing properties") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Anderss...
```diff diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml index 6026c21736d8..4502458b0669 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml @@ -62,7 +62,14 @...
b96fbb03fbc1686449e28e2edb54df5c3584ad43
Analyze and fix the following issue in the Linux kernel code: clk: qcom: branch: Clean up branch enable registers
Problem Details: Prefix the "branch enable" registers with CBCR_ to be closer to what they are actually called in Qualcomm terms, use GENMASK instead of shifting values around and adjust their usage accordingly. Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.or...
```diff diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c index f2b577b07b7e..ca896ebf7e1b 100644 --- a/drivers/clk/qcom/clk-branch.c +++ b/drivers/clk/qcom/clk-branch.c @@ -44,17 +44,17 @@ static bool clk_branch2_check_halt(const struct clk_branch *br, bool enabling) u32 val; u32 mask; -...
3bc57292278a0b6ac4656cad94c14f2453344b57
Analyze and fix the following issue in the Linux kernel code: md: avoid signed overflow in slot_store()
Problem Details: slot_store() uses kstrtouint() to get a slot number, but stores the result in an "int" variable (by casting a pointer). This can result in a negative slot number if the unsigned int value is very large. A negative number means that the slot is empty, but setting a negative slot number this way will no...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index f5480778e2f7..39e49e5d7182 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3128,6 +3128,9 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) err = kstrtouint(buf, 10, (unsigned int *)&slot); if (err < 0) return err; + if (slot ...
9db481c909dd6312ccfbdc7e343b50e41c727483
Analyze and fix the following issue in the Linux kernel code: memory: tegra30-emc: fix interconnect registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index 77706e9bc543..c91e9b7e2e01 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -1533,15 +1533,13 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc) emc->provider.agg...
c5587f61ec050f7e9ebb3e2da29d12af63e833d3
Analyze and fix the following issue in the Linux kernel code: memory: tegra20-emc: fix interconnect registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index bd4e37b6552d..fd595c851a27 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -1021,15 +1021,13 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc) emc->provider.agg...
abd9f1b49cf25eebeaba193c7707355be3f48dae
Analyze and fix the following issue in the Linux kernel code: memory: tegra124-emc: fix interconnect registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index 85bc936c02f9..00ed2b6a0d1b 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -1351,15 +1351,13 @@ static int tegra_emc_interconnect_init(struct tegra_emc *emc) emc->provider...
5553055c62683ce339f9ef5fb2a26c8331485d68
Analyze and fix the following issue in the Linux kernel code: memory: tegra: fix interconnect registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index 592907546ee6..5cd28619ea9f 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -794,16 +794,12 @@ static int tegra_mc_interconnect_setup(struct tegra_mc *mc) mc->provider.aggregate = mc->soc->icc_ops->aggregate; m...
c9e46ca612cfbb0cf890f7ae7389b742e90efe64
Analyze and fix the following issue in the Linux kernel code: interconnect: exynos: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to trigger a NULL-pointer deference when either a NULL pointer or not fully initialised node is returned from exynos_gene...
```diff diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c index e70665899482..72e42603823b 100644 --- a/drivers/interconnect/samsung/exynos.c +++ b/drivers/interconnect/samsung/exynos.c @@ -98,12 +98,13 @@ static int exynos_generic_icc_remove(struct platform_device *pdev) stru...
3aab264875bf3c915ea2517fae1eec213e0b4987
Analyze and fix the following issue in the Linux kernel code: interconnect: exynos: fix node leak in probe PM QoS error path
Problem Details: Make sure to add the newly allocated interconnect node to the provider before adding the PM QoS request so that the node is freed on errors. Fixes: 2f95b9d5cf0b ("interconnect: Add generic interconnect driver for Exynos SoCs") Cc: stable@vger.kernel.org # 5.11 Cc: Sylwester Nawrocki <s.nawrocki@s...
```diff diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c index 6559d8cf8068..e70665899482 100644 --- a/drivers/interconnect/samsung/exynos.c +++ b/drivers/interconnect/samsung/exynos.c @@ -149,6 +149,9 @@ static int exynos_generic_icc_probe(struct platform_device *pdev) &...
bfe7bcd2b9f5215de2144f097f39971180e7ea54
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: msm8974: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/interconnect/qcom/msm8974.c b/drivers/interconnect/qcom/msm8974.c index 5ea192f1141d..1828deaca443 100644 --- a/drivers/interconnect/qcom/msm8974.c +++ b/drivers/interconnect/qcom/msm8974.c @@ -692,7 +692,6 @@ static int msm8974_icc_probe(struct platform_device *pdev) return ret; pro...
74240a5bebd48d8b843c6d0f1acfaa722a5abeb7
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: rpmh: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c index 5168bbf3d92f..fdb5e58e408b 100644 --- a/drivers/interconnect/qcom/icc-rpmh.c +++ b/drivers/interconnect/qcom/icc-rpmh.c @@ -192,9 +192,10 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev) provider->pre_aggreg...
6570d1d46eeade82965ccc4a3ab7d778898ef4bf
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: rpmh: fix probe child-node error handling
Problem Details: Make sure to clean up and release resources properly also in case probe fails when populating child devices. Fixes: 57eb14779dfd ("interconnect: qcom: icc-rpmh: Support child NoC device probe") Cc: stable@vger.kernel.org # 6.0 Cc: Luca Weiss <luca.weiss@fairphone.com> Reviewed-by: Konrad Dybcio <...
```diff diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c index fd17291c61eb..5168bbf3d92f 100644 --- a/drivers/interconnect/qcom/icc-rpmh.c +++ b/drivers/interconnect/qcom/icc-rpmh.c @@ -235,8 +235,11 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev) platform_set_drvdata...
90ae93d8affc1061cd87ca8ddd9a838c7d31a158
Analyze and fix the following issue in the Linux kernel code: interconnect: qcom: rpm: fix registration race
Problem Details: The current interconnect provider registration interface is inherently racy as nodes are not added until the after adding the provider. This can specifically cause racing DT lookups to fail. Switch to using the new API where the provider is not registered until after it has been fully initialised. Fi...
```diff diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c index 91778cfcbc65..4180a06681b2 100644 --- a/drivers/interconnect/qcom/icc-rpm.c +++ b/drivers/interconnect/qcom/icc-rpm.c @@ -503,7 +503,6 @@ regmap_done: } provider = &qp->provider; - INIT_LIST_HEAD(&provider->nodes)...
4928f67bc911e46a43004251a4d7eb2259ba6077
Analyze and fix the following issue in the Linux kernel code: vfio/mlx5: Fix the report of dirty_bytes upon pre-copy
Problem Details: Fix the report of dirty_bytes upon pre-copy to include both the existing data on the migration file and the device extra bytes. This gives a better close estimation to what can be passed any more as part of pre-copy. Fixes: 0dce165b1adf ("vfio/mlx5: Introduce vfio precopy ioctl implementation") Signe...
```diff diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c index e897537a9e8a..d95fd382814c 100644 --- a/drivers/vfio/pci/mlx5/main.c +++ b/drivers/vfio/pci/mlx5/main.c @@ -442,16 +442,10 @@ static long mlx5vf_precopy_ioctl(struct file *filp, unsigned int cmd, if (migf->pre_copy_initial_bytes > ...
f4f9a9c003b52ea3cffda186753bfb3e37b970f8
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt8135: Properly use CLK_IS_CRITICAL flag
Problem Details: Instead of calling clk_prepare_enable() for clocks that shall stay enabled, use the CLK_IS_CRITICAL flag, which purpose is exactly that. Fixes: a8aede794843 ("clk: mediatek: Add basic clocks for Mediatek MT8135.") Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Revi...
```diff diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index 2a9405b552c6..1c76c0003f99 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -2,6 +2,8 @@ /* * Copyright (c) 2014 MediaTek Inc. * Author: James Liao <jamesjj.liao@mediatek.com> +...
f419069ad864bdb6a9ba5a38ea01224187376d6e
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt8516: Move apmixedsys clock driver to its own file
Problem Details: In preparation for migrating mt8516 clocks to the common simple probe mechanism, convert the apmixedsys to be a separated platform driver and move it to clk-mt8516-apmixedsys.c. While at it, also fix some indentation issues. During the conversion, error handling was added to the apmixedsys probe funct...
```diff diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 5dc5f9457c44..79244e5ccc9c 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -120,5 +120,5 @@ obj-$(CONFIG_COMMON_CLK_MT8365_MFG) += clk-mt8365-mfg.o obj-$(CONFIG_COMMON_CLK_MT8365_MMSYS) += clk-mt8...
fa8c0d01df62130ff596d560380a6f844f62639e
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt7622: Properly use CLK_IS_CRITICAL flag
Problem Details: Instead of calling clk_prepare_enable() for clocks that shall stay enabled, use the CLK_IS_CRITICAL flag, which purpose is exactly that. Fixes: 2fc0a509e4ee ("clk: mediatek: add clock support for MT7622 SoC") Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-...
```diff diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 41af8d420bbf..1c0049fbeb69 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -50,9 +50,9 @@ _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \ NULL, "clkxtal") -#defin...
127fadf7a46932646c8af2a972d301b975754697
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt8183: Move apmixedsys clock driver to its own file
Problem Details: In preparation for migrating all other mt8183 clocks to the common mtk_clk_simple_probe(), move apmixedsys clocks to a different file. While at it, use the builtin_platform_driver() macro for it and fix some indentation issues in the PLLs table. During the conversion, error handling was added to the a...
```diff diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index c5778a7e8025..33f13b8399ce 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -74,7 +74,7 @@ obj-$(CONFIG_COMMON_CLK_MT8173_IMGSYS) += clk-mt8173-img.o obj-$(CONFIG_COMMON_CLK_MT8173_MMSYS) += clk-mt...
ae567c34819536a1e7e7e5d202fabb1ce122dd79
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt2712: Move apmixedsys clock driver to its own file
Problem Details: The only clock driver that does not support mtk_clk_simple_probe() is apmixedsys: in preparation for enabling module build of non-critical mt2712 clocks, move this to its own file. While at it, also fix some indentation issues in the PLLs table. Signed-off-by: AngeloGioacchino Del Regno <angelogioacch...
```diff diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index e5d018270ed0..9ba8f666221c 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -38,7 +38,7 @@ obj-$(CONFIG_COMMON_CLK_MT2701_HIFSYS) += clk-mt2701-hif.o obj-$(CONFIG_COMMON_CLK_MT2701_IMGSYS) += clk-m...
20cace1b9d7e33f68f0ee17196bf0df618dbacbe
Analyze and fix the following issue in the Linux kernel code: clk: mediatek: mt2712: Add error handling to clk_mt2712_apmixed_probe()
Problem Details: This function was completely missing error handling: add it. Fixes: e2f744a82d72 ("clk: mediatek: Add MT2712 clock support") Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/20230306140543...
```diff diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index ce28ee47f5cf..8aa361f0fa13 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1091,15 +1091,25 @@ static int clk_mt2712_apmixed_probe(struct platform_device *pdev) struct device_nod...
34f0677e7afd3a292bc1aadda7ce8e35faedb204
Analyze and fix the following issue in the Linux kernel code: bpf: fix precision propagation verbose logging
Problem Details: Fix wrong order of frame index vs register/slot index in precision propagation verbose (level 2) output. It's wrong and very confusing as is. Fixes: 529409ea92d5 ("bpf: propagate precision across all frames, not just the last one") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore....
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 519d465407ef..883d4ff2e288 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -15068,7 +15068,7 @@ static int propagate_precision(struct bpf_verifier_env *env, !(state_reg->live & REG_LIVE_READ)) continue; if (env->...
ee06a3ef7e3cddb62b90ac40aa661d3c12f7cabc
Analyze and fix the following issue in the Linux kernel code: kconfig: Update config changed flag before calling callback
Problem Details: Prior to commit 5ee546594025 ("kconfig: change sym_change_count to a boolean flag"), the conf_updated flag was set to the new value *before* calling the callback. xconfig's save action depends on this behaviour, because xconfig calls conf_get_changed() directly from the callback and now sees the old va...
```diff diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index b7c9f1dd5e42..992575f1e976 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -1226,10 +1226,12 @@ static void (*conf_changed_callback)(void); void conf_set_changed(bool val) { - if (conf_changed_callback && ...
be96815c616822d3800405b8fbebe3e069d6eed2
Analyze and fix the following issue in the Linux kernel code: ice: call ice_is_malicious_vf() from ice_vc_process_vf_msg()
Problem Details: The main loop in __ice_clean_ctrlq first checks if a VF might be malicious before calling ice_vc_process_vf_msg(). This results in duplicate code in both functions to obtain a reference to the VF, and exports the ice_is_malicious_vf() from ice_virtchnl.c unnecessarily. Refactor ice_is_malicious_vf() t...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index a7e7a186009e..20b3f3e6eda1 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -1517,8 +1517,7 @@ static int __ice_clean_ctrlq(struct ice_pf *pf, enum ic...
4f0636fef61ad0b22fed4fb06f369d6ba38f807d
Analyze and fix the following issue in the Linux kernel code: ice: always report VF overflowing mailbox even without PF VSI
Problem Details: In ice_is_malicious_vf we report a message warning the system administrator when a VF is potentially spamming the PF with asynchronous messages that could overflow the PF mailbox. The specific message was requested by our customer support team to include the VF and PF MAC address. In some cases we may...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 79159cbb66ec..185673afb781 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -1817,11 +1817,11 @@ ice_is_malicious_vf(struct ice_pf *pf, struct ice...
33b035e70611c10c5aa3864a7517570b25a46ebb
Analyze and fix the following issue in the Linux kernel code: ice: declare ice_vc_process_vf_msg in ice_virtchnl.h
Problem Details: The ice_vc_process_vf_msg function is the main entry point for handling virtchnl messages. This function is defined in ice_virtchnl.c but its declaration is still in ice_sriov.c The ice_sriov.c file used to contain all of the virtualization logic until commit bf93bf791cec ("ice: introduce ice_virtchnl...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.h b/drivers/net/ethernet/intel/ice/ice_sriov.h index 955ab810a198..1082b0691a3f 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.h +++ b/drivers/net/ethernet/intel/ice/ice_sriov.h @@ -33,7 +33,6 @@ int ice_get_vf_cfg(struct net_device *netdev, int vf_i...
f6da81f650fa47b61b847488f3938d43f90d093d
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: PMU: Don't save PMCR_EL0.{C,P} for the vCPU
Problem Details: Presently, when a guest writes 1 to PMCR_EL0.{C,P}, which is WO/RAZ, KVM saves the register value, including these bits. When userspace reads the register using KVM_GET_ONE_REG, KVM returns the saved register value as it is (the saved value might have these bits set). This could result in userspace se...
```diff diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index 24908400e190..c243b10f3e15 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -538,7 +538,8 @@ void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val) if (!kvm_pmu_is_3p5(vcpu)) val &= ~ARMV8_PMU_PMCR_LP; - _...
9228b26194d1cc00449f12f306f53ef2e234a55b
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: PMU: Fix GET_ONE_REG for vPMC regs to return the current value
Problem Details: Have KVM_GET_ONE_REG for vPMU counter (vPMC) registers (PMCCNTR_EL0 and PMEVCNTR<n>_EL0) return the sum of the register value in the sysreg file and the current perf event counter value. Values of vPMC registers are saved in sysreg files on certain occasions. These saved values don't represent the cur...
```diff diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 53749d3a0996..1b2c161120be 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -856,6 +856,22 @@ static bool pmu_counter_idx_valid(struct kvm_vcpu *vcpu, u64 idx) return true; } +static int get_pmu_evcntr(struct ...
3e453522593d74a87cf68a38e14aa36ebca1dbcd
Analyze and fix the following issue in the Linux kernel code: md: Free resources in __md_stop
Problem Details: If md_run() fails after ->active_io is initialized, then percpu_ref_exit is called in error path. However, later md_free_disk will call percpu_ref_exit again which leads to a panic because of null pointer dereference. It can also trigger this bug when resources are initialized but are freed in error pa...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index 927a43db5dfb..f5480778e2f7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6256,6 +6256,11 @@ static void __md_stop(struct mddev *mddev) mddev->to_remove = &md_redundancy_group; module_put(pers->owner); clear_bit(MD_RECOVERY_FROZEN, &mddev->reco...
07d85ba9d04e1ebd282f656a29ddf08c5b7b32a2
Analyze and fix the following issue in the Linux kernel code: perf record: Fix "read LOST count failed" msg with sample read
Problem Details: Hundreds of "read LOST count failed" error messages may be displayed, when the below command is launched. perf record -e '{cpu/mem-loads-aux/,cpu/event=0xcd,umask=0x1/}:S' -a According to the commit 89e3106fa25fb1b6 ("libperf: Handle read format in perf_evsel__read()"), the PERF_FORMAT_GROUP is only ...
```diff diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 8374117e66f6..be7c0c29d15b 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1866,7 +1866,7 @@ static void __record__read_lost_samples(struct record *rec, struct evsel *evsel, int id_hdr_size; if (per...
71b1e3ba3fed5a34c5fac6d3a15c2634b04c1eb7
Analyze and fix the following issue in the Linux kernel code: EDAC/skx: Fix overflows on the DRAM row address mapping arrays
Problem Details: The current DRAM row address mapping arrays skx_{open,close}_row[] only support ranks with sizes up to 16G. Decoding a rank address to a DRAM row address for a 32G rank by using either one of the above arrays by the skx_edac driver, will result in an overflow on the array. For a 32G rank, the most sig...
```diff diff --git a/drivers/edac/skx_base.c b/drivers/edac/skx_base.c index 9397abb42c49..0a862336a7ce 100644 --- a/drivers/edac/skx_base.c +++ b/drivers/edac/skx_base.c @@ -510,7 +510,7 @@ rir_found: } static u8 skx_close_row[] = { - 15, 16, 17, 18, 20, 21, 22, 28, 10, 11, 12, 13, 29, 30, 31, 32, 33 + 15, 16, 17,...
8cd8a6b17d275a45e3722d0215f6115b687c8c3e
Analyze and fix the following issue in the Linux kernel code: ice: move VF overflow message count into struct ice_mbx_vf_info
Problem Details: The ice driver has some logic in ice_vf_mbx.c used to detect potentially malicious VF behavior with regards to overflowing the PF mailbox. This logic currently stores message counts in struct ice_mbx_vf_counter.vf_cntr as an array. This array is allocated during initialization with ice_mbx_init_snapsho...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 44b94276df91..8820f269bfdf 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -204,8 +204,7 @@ void ice_free_vfs(struct ice_pf *pf) } /* cle...
e4eaf8938852d092fa447b32adb8ec233621d86a
Analyze and fix the following issue in the Linux kernel code: ice: track malicious VFs in new ice_mbx_vf_info structure
Problem Details: Currently the PF tracks malicious VFs in a malvfs bitmap which is used by the ice_mbx_clear_malvf and ice_mbx_report_malvf functions. This bitmap is used to ensure that we only report a VF as malicious once rather than continuously spamming the event log. This mechanism of storage for the malicious in...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 7107c279752a..44b94276df91 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -204,8 +204,8 @@ void ice_free_vfs(struct ice_pf *pf) } /* cle...
504ce971f260c178fa625f1278d9a762bc366504
Analyze and fix the following issue in the Linux kernel code: ice: re-order ice_mbx_reset_snapshot function
Problem Details: A future change is going to refactor the VF mailbox overflow detection logic, including modifying ice_mbx_reset_snapshot and its callers. To make this change easier to review, first move the ice_mbx_reset_snapshot function higher in the ice_vf_mbx.c file. Signed-off-by: Jacob Keller <jacob.e.keller@in...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_vf_mbx.c b/drivers/net/ethernet/intel/ice/ice_vf_mbx.c index f56fa94ff3d0..2fe9a9504914 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_mbx.c +++ b/drivers/net/ethernet/intel/ice/ice_vf_mbx.c @@ -130,6 +130,30 @@ u32 ice_conv_link_speed_to_virtchnl(bool adv_lin...
d790b0c3fcadeb7b8fcbc13d0b658338cc806188
Analyze and fix the following issue in the Linux kernel code: dt-bindings: display: mediatek: clean unnecessary item
Problem Details: The item which have the mediatek,mt8192-disp-ccorr as const compatible already exist above. Merge all compatibles which have the same fallback under the same item. Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabor...
```diff diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml index b04820c95b22..bda86e6857f5 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,ccorr.yaml +++ b/Documentation/devicetree/binding...
0762875674b969e35371ec5fe4b594d7a92ab364
Analyze and fix the following issue in the Linux kernel code: spi: nxp-flexspi: Add i.MX platform dependency
Problem Details: This driver also supports various i.MX8 platforms. Add ARCH_MXC for selecting this driver without Layerscape support. Fixes: c6b15b2437a10 ("spi: nxp-flexspi: Fix ARCH_LAYERSCAPE dependency") Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Link: https://lore.kernel.org/r/2023031308362...
```diff diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 80f3cade6006..cbf60b6a931c 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -406,7 +406,7 @@ config SPI_HISI_SFC_V3XX config SPI_NXP_FLEXSPI tristate "NXP Flex SPI controller" - depends on ARCH_LAYERSCAPE || COMPILE_TEST + depends on...
7859ad5a401b73bf2ddfa274950b5722492c3150
Analyze and fix the following issue in the Linux kernel code: spi: sh-msiof: Remove casts to drop constness
Problem Details: Now the chip select APIs take const pointers, there is no longer a need to cast away constness. Fixes: 9e264f3f85a56cc1 ("spi: Replace all spi->chip_select and spi->cs_gpiod references with function call") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/bc14...
```diff diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 50498c4eb661..55dfe2fd89c8 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -587,11 +587,11 @@ static int sh_msiof_prepare_message(struct spi_controller *ctlr, u32 ss, cs_high; /* Configure pins before as...
d2f19eec510424caa55ea949f016ddabe2d8173a
Analyze and fix the following issue in the Linux kernel code: spi: Constify spi parameters of chip select APIs
Problem Details: The "spi" parameters of spi_get_chipselect() and spi_get_csgpiod() can be const. Fixes: 303feb3cc06ac066 ("spi: Add APIs in spi core to set/get spi->chip_select and spi->cs_gpiod") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/b112de79e7a1e9095a3b6ff22b639...
```diff diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index e09a61dd3459..74bff5a2f53d 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -266,7 +266,7 @@ static inline void *spi_get_drvdata(const struct spi_device *spi) return dev_get_drvdata(&spi->dev); } -static inline u8 spi...
3a60fa4c063dacc5eb66660aa23107f3cb8a477e
Analyze and fix the following issue in the Linux kernel code: ASoC: mediatek: mt6359: fix UNINIT problem
Problem Details: Coverity shows decaring variable reg without initializer. When regmap_read returns an error, reg keeps the value left from earlier computation. To prevent from the unexpected result in the case, assign 0 to reg. Signed-off-by: Trevor Wu <trevor.wu@mediatek.com> Link: https://lore.kernel.org/r/20230307...
```diff diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c index c9a453ce8a2a..cb487e63615c 100644 --- a/sound/soc/codecs/mt6359.c +++ b/sound/soc/codecs/mt6359.c @@ -358,7 +358,7 @@ static int mt6359_put_volsw(struct snd_kcontrol *kcontrol, struct mt6359_priv *priv = snd_soc_component_get_drvdata(com...
9760e01b3851dc51d1901876668168328d34a647
Analyze and fix the following issue in the Linux kernel code: ASoC: mediatek: mt6358: fix UNINIT problem
Problem Details: Coverity shows decaring variable reg without initializer. When regmap_read returns an error, reg keeps the value left from earlier computation. To prevent from the unexpected result in the case, assign 0 to reg. Signed-off-by: Trevor Wu <trevor.wu@mediatek.com> Link: https://lore.kernel.org/r/20230307...
```diff diff --git a/sound/soc/codecs/mt6358.c b/sound/soc/codecs/mt6358.c index b54610b27906..d7b157ddc9a8 100644 --- a/sound/soc/codecs/mt6358.c +++ b/sound/soc/codecs/mt6358.c @@ -429,7 +429,7 @@ static int mt6358_put_volsw(struct snd_kcontrol *kcontrol, struct mt6358_priv *priv = snd_soc_component_get_drvdata(com...
1a3f0116b74ba2f9477c28fcf9d66ac7126455fd
Analyze and fix the following issue in the Linux kernel code: ASoC: mediatek: mt9195-mt6359: fix UNINIT problem
Problem Details: Coverity shows using uninitialized value monitor. When regmap_read returns an error, monitor keeps the value left from earlier computation. To prevent from the unexpected result in the case, assign 0 to monitor. Signed-off-by: Trevor Wu <trevor.wu@mediatek.com> Link: https://lore.kernel.org/r/20230307...
```diff diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359.c b/sound/soc/mediatek/mt8195/mt8195-mt6359.c index 4682748d82be..ceca882ecff7 100644 --- a/sound/soc/mediatek/mt8195/mt8195-mt6359.c +++ b/sound/soc/mediatek/mt8195/mt8195-mt6359.c @@ -158,7 +158,7 @@ static int mt8195_mt6359_mtkaif_calibration(struct snd_so...
e9d198f2be851f8c977b9ac47748edc4f9d0f26e
Analyze and fix the following issue in the Linux kernel code: slab: Adjust comment after refactoring of gfp.h
Problem Details: Reflect the change from the commit below. Fixes: cb5a065b4ea9 ("headers/deps: mm: Split <linux/gfp_types.h> out of <linux/gfp.h>") Signed-off-by: Thorsten Scherer <t.scherer@eckelmann.de> Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
```diff diff --git a/include/linux/slab.h b/include/linux/slab.h index 45af70315a94..87d687c43d8c 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -526,7 +526,7 @@ void *kmalloc_large_node(size_t size, gfp_t flags, int node) __assume_page_align * to be at least to the size. * * The @flags argument ...
0da40e018fd034d87c9460123fa7f897b69fdee7
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
Problem Details: Fix a slab-out-of-bounds read that occurs in kmemdup() called from brcmf_get_assoc_ies(). The bug could occur when assoc_info->req_len, data from a URB provided by a USB device, is bigger than the size of buffer which is defined as WL_EXTRA_BUF_MAX. Add the size check for req_len/resp_len of assoc_inf...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 548799fefb4b..de8a2e27f49c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -6...
48181d285623198c33bb9698992502687b258efa
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: fix memory leak in rtw_usb_probe()
Problem Details: drivers/net/wireless/realtek/rtw88/usb.c:876 rtw_usb_probe() warn: 'hw' from ieee80211_alloc_hw() not released on lines: 811 Fix this by modifying return to a goto statement. Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kval...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c index 2a8336b1847a..68e1b782d199 100644 --- a/drivers/net/wireless/realtek/rtw88/usb.c +++ b/drivers/net/wireless/realtek/rtw88/usb.c @@ -808,7 +808,7 @@ int rtw_usb_probe(struct usb_interface *intf, const struct us...
262cc19ea902d2280e2e2a56b153f37466e3349e
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: coex: Add v2 Bluetooth scan info
Problem Details: Compare to v1 and v2 removed some not usable parameters. Save firmware code size. The information can show how frequent and how long the Bluetooth scan do. It will help to debug coexistence issue. Signed-off-by: Ching-Te Ku <ku920601@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 0ca621a9f80a..b867e54feb89 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -890,13 +890,15 @@ static void _update_bt_report(struct rtw89_dev *rtwdev,...
9dfa09e0628d2024ce4574f645344c00fe88a535
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: coex: Fix wrong structure assignment at null data report
Problem Details: Correct pointer assignment of v1 null data report. It doesn't really change logic at all, but it looks more readable. Signed-off-by: Ching-Te Ku <ku920601@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230308...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c index 436d5e35ae49..0ca621a9f80a 100644 --- a/drivers/net/wireless/realtek/rtw89/coex.c +++ b/drivers/net/wireless/realtek/rtw89/coex.c @@ -1065,7 +1065,7 @@ static u32 _chk_btc_report(struct rtw89_dev *rtwdev, ...
038a24835ab68f341eaa7a0e3bcc6ce0f9b22e17
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Disable MC6 for MTL A step
Problem Details: The Wa_14017073508 require to send Media Busy/Idle mailbox while accessing Media tile. As of now it is getting handled while __gt_unpark, __gt_park. But there are various corner cases where forcewakes are taken without __gt_unpark i.e. without sending Busy Mailbox especially during register reads. Forc...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index cef3d6f5c34e..56b993f6e7dc 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -21,31 +21,10 @@ #include "intel_rc6.h" #include "intel_rps.h" #include "intel_wakeref....
a23c82e006db2f073fb65da8762f63735a510409
Analyze and fix the following issue in the Linux kernel code: wifi: ipw2x00: convert ipw_fw_error->elem to flexible array[]
Problem Details: The ipw_fw_error structure contains a payload[] flexible array as well as two pointers to this array area, ->elem, and ->log. The total size of the allocated structure is computed without use of the <linux/overflow.h> macros. There's no reason to keep both a payload[] and an extra pointer to both the ...
```diff diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c index d382f2017325..b91b1a2d0be7 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c @@ -1234,9 +1234,9 @@ static struct ipw_fw_error *ipw_alloc_error...
659fda7f35f0d11126edfb6c6cd9ace99a2525c0
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: Use ISO3166 country code and rev 0 as fallback on 4356
Problem Details: Many devices ship with a nvram ccode value of X2/XT/XU/XV/ALL which are all special world-wide compatibility ccode-s. Most of these world-wide ccode-s allow passive scan mode only for 2.4GHz channels 12-14, only enabling them when an AP is seen on them. Since linux-firmware has moved to the new cyfmac...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index e0a70a671550..548799fefb4b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -7...
1dae3f1df7005e27a0040855ce8b3c21c262e3b2
Analyze and fix the following issue in the Linux kernel code: i3c: dw: drop of_match_ptr for ID table
Problem Details: The driver can match only via the DT table so the table should be always used and the of_match_ptr does not have any sense (this also allows ACPI matching via PRP0001, even though it might not be relevant here). This also fixes !CONFIG_OF error: drivers/i3c/master/dw-i3c-master.c:1201:34: error: ‘d...
```diff diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 48954d3e6571..4859dd75388d 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1209,7 +1209,7 @@ static struct platform_driver dw_i3c_driver = { .remove = dw_i3c_remove, .drive...
ce48f955860db841eeb4bcf9bb973ea3ef177b3a
Analyze and fix the following issue in the Linux kernel code: i3c: Correct reference to the I²C device data type
Problem Details: I²C peripheral devices that are connected to the controller are represented in the Linux kernel as objects of the struct i2c_client. Fix this in the header file. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230302161206.38106-1-andriy.shevchenko@...
```diff diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index 604a126b78c8..a12cda9dc715 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -22,9 +22,10 @@ #define I3C_BROADCAST_ADDR 0x7e #define I3C_MAX_ADDR GENMASK(6, 0) +struct i2c_client; + struct i3c_master_con...
5683e1488aa9b0805a9403d215e48fed29d6d923
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: connac: do not check WED status for non-mmio devices
Problem Details: WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below: [ 21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.548274] wlp0s3u1i3: authenticate with...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index efb9bfaa187f..008ece1b16f8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1221,6 +1221,9 @@ EXPORT_SYMB...
c2f73eacee3bf1df2cfe25e1f08a3cae98b1df3d
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7915: add back 160MHz channel width support for MT7915
Problem Details: A number of users reported that this support was working fine before it got removed. Add it back, but leave out the unsupported 80+80 mode. Fixes: ac922bd60ace ("wifi: mt76: mt7915: remove BW160 and BW80+80 support") Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@kernel.o...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 1ab768feccaa..5e288116b1b0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -383,7 +383,6 @@ mt7915_init_wiphy(struct mt79...
41130c32f3a18fcc930316da17f3a5f3bc326aa1
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: do not run mt76_unregister_device() on unregistered hw
Problem Details: Trying to probe a mt7921e pci card without firmware results in a successful probe where ieee80211_register_hw hasn't been called. When removing the driver, ieee802111_unregister_hw is called unconditionally leading to a kernel NULL pointer dereference. Fix the issue running mt76_unregister_device routi...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index b117e4467c87..34abf70f44af 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -539,6 +539,7 @@ int mt76_register_phy(struct mt76_phy *ph...
72f7754dcf31c87c92c0c353dcf747814cc5ce10
Analyze and fix the following issue in the Linux kernel code: virt/coco/sev-guest: Add throttling awareness
Problem Details: A potentially malicious SEV guest can constantly hammer the hypervisor using this driver to send down requests and thus prevent or at least considerably hinder other guests from issuing requests to the secure processor which is a shared platform resource. Therefore, the host is permitted and encourage...
```diff diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h index b8357d6ecd47..b63be696b776 100644 --- a/arch/x86/include/asm/sev-common.h +++ b/arch/x86/include/asm/sev-common.h @@ -128,8 +128,9 @@ struct snp_psc_desc { struct psc_entry entries[VMGEXIT_PSC_MAX_ENTRY]; } __packed; -...
e238e62ba8868a784e485eb94451c87cd1b85cee
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: add debug prints in regulatory WMI event processing
Problem Details: Add some more debug prints in processing regulatory WMI event in order to increase more debuggability. Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAH...
```diff diff --git a/drivers/net/wireless/ath/ath11k/reg.c b/drivers/net/wireless/ath/ath11k/reg.c index 08621bd13a12..67443457f4da 100644 --- a/drivers/net/wireless/ath/ath11k/reg.c +++ b/drivers/net/wireless/ath/ath11k/reg.c @@ -646,7 +646,7 @@ ath11k_reg_build_regd(struct ath11k_base *ab, tmp_regd->dfs_region = at...
f2f6e1661d38fbce6163fc321395e9de24a9529b
Analyze and fix the following issue in the Linux kernel code: IB/rdmavt: Fix target union member for rvt_post_one_wr()
Problem Details: The "cplen" result used by the memcpy() into struct rvt_swqe "wqe" may be sized to 80 for struct rvt_ud_wr (which is member "ud_wr", not "wr" which is only 40 bytes in size). Change the destination union member so the compiler can use the correct bounds check. struct rvt_swqe { union { ...
```diff diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 3acab569fbb9..3f707e1fa517 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -2040,7 +2040,7 @@ static int rvt_post_one_wr(struct rvt_qp *qp, wqe = rvt_get_swqe_ptr(qp, qp->s_head);...
271bfcfb83a9f77cbae3d6e1a16e3c14132922f0
Analyze and fix the following issue in the Linux kernel code: RDMA/siw: Fix potential page_array out of range access
Problem Details: When seg is equal to MAX_ARRAY, the loop should break, otherwise it will result in out of range access. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: b9be6f18cf9e ("rdma/siw: transmit path") Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru> Link: https://lore.kernel.org/r/20...
```diff diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c index 05052b49107f..6bb9e9e81ff4 100644 --- a/drivers/infiniband/sw/siw/siw_qp_tx.c +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c @@ -558,7 +558,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) da...
c874ad879c2f29ebe040a34b974389875c0d81eb
Analyze and fix the following issue in the Linux kernel code: IB/hifi1: add a null check of kzalloc_node in hfi1_ipoib_txreq_init
Problem Details: kzalloc_node may fails, check it and do the cleanup. Fixes: b1151b74ff68 ("IB/hfi1: Fix alloc failure with larger txqueuelen") Signed-off-by: Kang Chen <void0red@gmail.com> Link: https://lore.kernel.org/r/20230227100212.910820-1-void0red@gmail.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
```diff diff --git a/drivers/infiniband/hw/hfi1/ipoib_tx.c b/drivers/infiniband/hw/hfi1/ipoib_tx.c index 5d9a7b09ca37..349eb4139136 100644 --- a/drivers/infiniband/hw/hfi1/ipoib_tx.c +++ b/drivers/infiniband/hw/hfi1/ipoib_tx.c @@ -737,10 +737,13 @@ int hfi1_ipoib_txreq_init(struct hfi1_ipoib_dev_priv *priv) txq->tx_...
2cde14b187b458b7dcf99360fe4435dae1645a1f
Analyze and fix the following issue in the Linux kernel code: accel: Build sub-directories based on config options
Problem Details: When accel drivers are disabled do not process into sub-directories and create built-in archives: AR drivers/accel/habanalabs/built-in.a AR drivers/accel/ivpu/built-in.a Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU") Signed-off-by: Stanislaw Gruszka <stanis...
```diff diff --git a/drivers/accel/Makefile b/drivers/accel/Makefile index 07aa77aed1c8..f22fd44d586b 100644 --- a/drivers/accel/Makefile +++ b/drivers/accel/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y += habanalabs/ -obj-y += ivpu/ +obj-$(CONFIG_DRM_ACCEL_HABANALABS) += habanalabs/ +obj-...
dd61bbd0d1fba48cd9464e047a7f90b70a463e39
Analyze and fix the following issue in the Linux kernel code: accel: Build sub-directories based on config options
Problem Details: When accel drivers are disabled do not process into sub-directories and create built-in archives: AR drivers/accel/habanalabs/built-in.a AR drivers/accel/ivpu/built-in.a Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU") Signed-off-by: Stanislaw Gruszka <stanis...
```diff diff --git a/drivers/accel/Makefile b/drivers/accel/Makefile index 07aa77aed1c8..f22fd44d586b 100644 --- a/drivers/accel/Makefile +++ b/drivers/accel/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y += habanalabs/ -obj-y += ivpu/ +obj-$(CONFIG_DRM_ACCEL_HABANALABS) += habanalabs/ +obj-...
3e27877ac565807135209933e0894d8c522cc520
Analyze and fix the following issue in the Linux kernel code: devpts: simplify two-level sysctl registration for pty_kern_table
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
```diff diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 4f25015aa534..fe3db0eda8e4 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -72,24 +72,6 @@ static struct ctl_table pty_table[] = { {} }; -static struct ctl_table pty_kern_table[] = { - { - .procname = "pty", - .mode = 0555, - .child = ...
dced733d7fa9386f7c96bbf7721360472c0aed47
Analyze and fix the following issue in the Linux kernel code: quota: simplify two-level sysctl registration for fs_dqstats_table
Problem Details: There is no need to declare two tables to just create directories, this can be easily be done with a prefix path with register_sysctl(). Simplify this registration. Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Message-Id: <20230310231206.3952808-4-mcgrof@...
```diff diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index a6357f728034..90cb70c82012 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2948,24 +2948,6 @@ static struct ctl_table fs_dqstats_table[] = { { }, }; -static struct ctl_table fs_table[] = { - { - .procname = "quota", - .mode = 0555, - .chil...
163bfb0cb1f6fbf961cf912cbde57399ea1ae0e8
Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: lpass-lpi: set output value before enabling output
Problem Details: As per Hardware Programming Guide, when configuring pin as output, set the pin value before setting output-enable (OE). Similar approach is in main SoC TLMM pin controller. Cc: <stable@vger.kernel.org> Fixes: 6e261d1090d6 ("pinctrl: qcom: Add sm8250 lpass lpi pinctrl driver") Signed-off-by: Krzysztof...
```diff diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c index 87920257bb73..27fc8b671954 100644 --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c @@ -221,6 +221,15 @@ static int lpi_config_set(struct pinctrl_dev *pctldev, unsig...
f7fc5768e57cc18c24783c524f4e80e680dc4fc4
Analyze and fix the following issue in the Linux kernel code: pinctrl: s32cc: fix !CONFIG_PM_SLEEP build error
Problem Details: The declaration of s32_pinctrl_suspend/s32_pinctrl_resume is hidden in an #ifdef, causing a compilation failure when CONFIG_PM_SLEEP is disabled: drivers/pinctrl/nxp/pinctrl-s32g2.c:754:38: error: 's32_pinctrl_suspend' undeclared here (not in a function); did you mean 's32_pinctrl_probe'? drivers/pinc...
```diff diff --git a/drivers/pinctrl/nxp/pinctrl-s32.h b/drivers/pinctrl/nxp/pinctrl-s32.h index b6d530a62051..545bf16b988d 100644 --- a/drivers/pinctrl/nxp/pinctrl-s32.h +++ b/drivers/pinctrl/nxp/pinctrl-s32.h @@ -68,8 +68,6 @@ struct s32_pinctrl_soc_info { int s32_pinctrl_probe(struct platform_device *pdev, st...
3f2d4560898bb7cf579fb78c39f7c77368560414
Analyze and fix the following issue in the Linux kernel code: pinctrl: sx150x: drop of_match_ptr for ID table
Problem Details: The driver will match mostly by DT table (even thought there is regular ID table) so there is little benefit in of_match_ptr (this also allows ACPI matching via PRP0001, even though it might not be relevant here). This also fixes !CONFIG_OF error: drivers/pinctrl/pinctrl-sx150x.c:833:34: error: ‘sx1...
```diff diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c index 0b5ff99641e1..87fcbfbf49b7 100644 --- a/drivers/pinctrl/pinctrl-sx150x.c +++ b/drivers/pinctrl/pinctrl-sx150x.c @@ -1250,7 +1250,7 @@ static int sx150x_probe(struct i2c_client *client) static struct i2c_driver sx150x_driver ...
c82510b1d87bdebfe916048857d2ef46f1778aa5
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Use scale field when allocating USB3 bandwidth
Problem Details: When tunneling aggregated USB3 (20 Gb/s) the bandwidth values that are programmed to the ADP_USB3_CS_2 go higher than 4096 and that does not fit anymore to the 12-bit field. Fix this by scaling the value using the scale field accordingly. Fixes: 3b1d8d577ca8 ("thunderbolt: Implement USB3 bandwidth neg...
```diff diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 6e87cf993c68..a0996cb2893c 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -2094,18 +2094,30 @@ static int usb4_usb3_port_write_allocated_bandwidth(struct tb_port *port, int downstream_bw) { u32 ...
acec726473822bc6b585961f4ca2a11fa7f28341
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix memory leak in margining
Problem Details: Memory for the usb4->margining needs to be relased for the upstream port of the router as well, even though the debugfs directory gets released with the router device removal. Fix this. Fixes: d0f1e0c2a699 ("thunderbolt: Add support for receiver lane margining") Cc: stable@vger.kernel.org Signed-off-b...
```diff diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index 4339e706cc3a..f92ad71ef983 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -942,7 +942,8 @@ static void margining_port_remove(struct tb_port *port) snprintf(dir_name, sizeof(dir_name), "port%d"...
e0e6b416b25ee14716f3549e0cbec1011b193809
Analyze and fix the following issue in the Linux kernel code: drm/i915/active: Fix misuse of non-idle barriers as fence trackers
Problem Details: Users reported oopses on list corruptions when using i915 perf with a number of concurrently running graphics applications. Root cause analysis pointed at an issue in barrier processing code -- a race among perf open / close replacing active barriers with perf requests on kernel context and concurrent...
```diff diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 7412abf166a8..a9fea115f2d2 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -422,12 +422,12 @@ replace_barrier(struct i915_active *ref, struct i915_active_fence *active) * we ...
193c41926d152761764894f46e23b53c00186a82
Analyze and fix the following issue in the Linux kernel code: drm/i915/sseu: fix max_subslices array-index-out-of-bounds access
Problem Details: It seems that commit bc3c5e0809ae ("drm/i915/sseu: Don't try to store EU mask internally in UAPI format") exposed a potential out-of-bounds access, reported by UBSAN as following on a laptop with a gen 11 i915 card: UBSAN: array-index-out-of-bounds in drivers/gpu/drm/i915/gt/intel_sseu.c:65:27 ind...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.h b/drivers/gpu/drm/i915/gt/intel_sseu.h index aa87d3832d60..d7e8c374f153 100644 --- a/drivers/gpu/drm/i915/gt/intel_sseu.h +++ b/drivers/gpu/drm/i915/gt/intel_sseu.h @@ -27,7 +27,7 @@ struct drm_printer; * is only relevant to pre-Xe_HP platforms (Xe_HP and beyo...
71c602103c74b277bef3d20a308874a33ec8326d
Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Use calculated io and fast wake lines
Problem Details: Currently we are using hardcoded 7 for io and fast wake lines. According to Bspec io and fast wake times are both 42us for DISPLAY_VER >= 12 and 50us and 32us for older platforms. Calculate line counts for these and configure them into PSR2_CTL accordingly Use 45 us for the fast wake calculation as ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 54c517ca9632..582234f0c49a 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1631,6 +1631,8 @@ struct intel_psr { ...
897f453c106380e57600c19a0a0485ceb4f3b0d9
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix audio ELD handling for DP MST
Problem Details: I forgot to call intel_audio_compute_config() on DP MST, which means ELD doesn't get populated and passed to the audio driver. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8097 Fixes: 5d986635e296 ("drm/i915/audio: Precompute the ELD") Signed-off-by: Ville Syrjälä <ville.syrjala@linux...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 054a009e800d..2106b3de225a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -265,6 +265,19 @@ static int intel_dp_mst_update_slots(struct inte...
ee892ea83d99610fa33bea612de058e0955eec3a
Analyze and fix the following issue in the Linux kernel code: drm/i915/hwmon: Enable PL1 power limit
Problem Details: Previous documentation suggested that PL1 power limit is always enabled. However we now find this not to be the case on some platforms (such as ATSM). Therefore enable PL1 power limit during hwmon initialization. Bspec: 51864 v2: Add Bspec reference (Gwan-gyeong) v3: Add Fixes tag Fixes: 99f55efb791...
```diff diff --git a/drivers/gpu/drm/i915/i915_hwmon.c b/drivers/gpu/drm/i915/i915_hwmon.c index 1225bc432f0d..4683a5b96eff 100644 --- a/drivers/gpu/drm/i915/i915_hwmon.c +++ b/drivers/gpu/drm/i915/i915_hwmon.c @@ -687,6 +687,11 @@ hwm_get_preregistration_info(struct drm_i915_private *i915) for_each_gt(gt, i915, i) ...
7059a9aa4b6b8c6daf257a3978a4d8c476c29a96
Analyze and fix the following issue in the Linux kernel code: eventpoll: align comment with nested epoll limitation
Problem Details: fix comment in commit 02edc6fc4d5f ("epoll: comment the funky #ifdef") Signed-off-by: Liu, Changcheng <changchengx.liu@outlook.com> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
```diff diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 64659b110973..f6d25050dd7a 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -483,8 +483,8 @@ static inline void ep_set_busy_poll_napi_id(struct epitem *epi) * (efd1) notices that it may have some event ready, so it needs to wake up * the waiters on its p...
9e39a2c93e68bbf39f83b4125acae91dca0c3119
Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6dl-yapp4: Use reset-gpios property name
Problem Details: Use the gpios instead of gpio suffix that is mandated by the binding. This dtbs_check warning is fixed now: touchscreen@5c: Unevaluated properties are not allowed ('reset-gpio' was unexpected) The reset signal worked correctly as both the "gpio" and "gpios" suffixes are actually allowed by the gpio...
```diff diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi index aacbf317feea..c6afc51bb22b 100644 --- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi +++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi @@ -313,7 +313,7 @@ interrupt-parent = <&gpio4>; interrupts = <5 IR...
486136566778e995ffcd2fcc7ce39f5928217bca
Analyze and fix the following issue in the Linux kernel code: dt-bindings: arm: fsl: Fix copy-paste error in comment
Problem Details: The imx6dl-yapp4-draco board is actually based on the i.MX6Solo SoC. Fix the comment to match reality. Fixes: 24ef3b6e22fe ("dt-bindings: arm: Add Y Soft IOTA Draco, Hydra and Ursa boards") Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.o...
```diff diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml index 2c90455722f0..67a325ed5794 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -474,7 +474,7 @@ properties: - udoo,imx...
a52e5cdbe8016d4e3e6322fd93d71afddb9a5af9
Analyze and fix the following issue in the Linux kernel code: s390/ipl: add missing intersection check to ipl_report handling
Problem Details: The code which handles the ipl report is searching for a free location in memory where it could copy the component and certificate entries to. It checks for intersection between the sections required for the kernel and the component/certificate data area, but fails to check whether the data structures ...
```diff diff --git a/arch/s390/boot/ipl_report.c b/arch/s390/boot/ipl_report.c index 9b14045065b6..74b5cd264862 100644 --- a/arch/s390/boot/ipl_report.c +++ b/arch/s390/boot/ipl_report.c @@ -57,11 +57,19 @@ repeat: if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) && initrd_data.start && initrd_data.size && intersects(init...
ab909509850b27fd39b8ba99e44cda39dbc3858c
Analyze and fix the following issue in the Linux kernel code: PCI: s390: Fix use-after-free of PCI resources with per-function hotplug
Problem Details: On s390 PCI functions may be hotplugged individually even when they belong to a multi-function device. In particular on an SR-IOV device VFs may be removed and later re-added. In commit a50297cf8235 ("s390/pci: separate zbus creation from scanning") it was missed however that struct pci_bus and struct...
```diff diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index ef38b1514c77..e16afacc8fd1 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -544,8 +544,7 @@ static struct resource *__alloc_res(struct zpci_dev *zdev, unsigned long start, return r; } -int zpci_setup_bus_resources(struct zpci_dev *z...
04b09f6e5d005101b72fdac4c486a578841d7c53
Analyze and fix the following issue in the Linux kernel code: arm64: dts: layerscape: Fix GICv3 ITS node names
Problem Details: The GICv3 ITS is an MSI controller, therefore its node name should be 'msi-controller'. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 9e50976bcb8e..678bb0358751 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -131,7 +131,7 @@ interrupt-controller; interrupt...
b4cca6d48eb3fa6f0d9caba4329b1a2b0ff67a77
Analyze and fix the following issue in the Linux kernel code: vdpa_sim: set last_used_idx as last_avail_idx in vdpasim_queue_ready
Problem Details: Starting from an used_idx different than 0 is needed in use cases like virtual machine migration. Not doing so and letting the caller set an avail idx different than 0 causes destination device to try to use old buffers that source driver already recover and are not available anymore. Since vdpa_sim ...
```diff diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 6a0a65814626..eea23c630f7c 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -68,6 +68,17 @@ static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) (uintptr_t)vq...
5a522150093a0eabae9470a70a37a6e436bfad08
Analyze and fix the following issue in the Linux kernel code: vhost-vdpa: free iommu domain after last use during cleanup
Problem Details: Currently vhost_vdpa_cleanup() unmaps the DMA mappings by calling `iommu_unmap(v->domain, map->start, map->size);` from vhost_vdpa_general_unmap() when the parent vDPA driver doesn't provide DMA config operations. However, the IOMMU domain referred to by `v->domain` is freed in vhost_vdpa_free_domain(...
```diff diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index dc12dbd5b43b..7be9d9d8f01c 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -1169,6 +1169,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v) err_attach: iommu_domain_free(v->domain); + v->domain = NULL; return ret; ...
b6975693846b562c4d3e0e60cc884affc5bdac00
Analyze and fix the following issue in the Linux kernel code: drm/msm/disp/dpu: check for crtc enable rather than crtc active to release shared resources
Problem Details: According to KMS documentation, The driver must not release any shared resources if active is set to false but enable still true. Fixes: ccc862b957c6 ("drm/msm/dpu: Fix reservation failures in modeset") Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.bar...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 758261e8ac73..c23700367013 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -652,7 +652,7 @@ static int dpu_encoder_virt_atomic_check( if (...
73bb5a9017b93093854c18eb7ca99c7061b16367
Analyze and fix the following issue in the Linux kernel code: fs: Fix description of vfs_tmpfile()
Problem Details: Update the description of vfs_tmpfile() to match the current parameters of that function. Fixes: 9751b338656f ("vfs: move open right after ->tmpfile()") Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org...
```diff diff --git a/fs/namei.c b/fs/namei.c index edfedfbccaef..f04f7be58933 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3574,9 +3574,9 @@ static int do_open(struct nameidata *nd, /** * vfs_tmpfile - create tmpfile * @idmap: idmap of the mount the inode was found from - * @dentry: pointer to dentry of the base d...
79d1ed5ca7db67d48e870c979f0e0f6b0947944a
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext"
Problem Details: This reverts part of commit 015b8cc5e7c4 ("wifi: cfg80211: Fix use after free for wext") This commit broke WPA offload by unconditionally clearing the crypto modes for non-WEP connections. Drop that part of the patch. Signed-off-by: Hector Martin <marcan@marcan.st> Reported-by: Ilya <me@0upti.me> Rep...
```diff diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 28ce13840a88..7bdeb8eea92d 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -1500,8 +1500,6 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev, connect->key = NULL; connect->key_len = 0; connect->key_idx = 0; - connect-...
06615d11cc78162dfd5116efb71f29eb29502d37
Analyze and fix the following issue in the Linux kernel code: power: supply: da9150: Fix use after free bug in da9150_charger_remove due to race condition
Problem Details: In da9150_charger_probe, &charger->otg_work is bound with da9150_charger_otg_work. da9150_charger_otg_ncb may be called to start the work. If we remove the module which will call da9150_charger_remove to make cleanup, there may be a unfinished work. The possible sequence is as follows: Fix it by canc...
```diff diff --git a/drivers/power/supply/da9150-charger.c b/drivers/power/supply/da9150-charger.c index 14da5c595dd9..a87aeaea38e1 100644 --- a/drivers/power/supply/da9150-charger.c +++ b/drivers/power/supply/da9150-charger.c @@ -657,6 +657,7 @@ static int da9150_charger_remove(struct platform_device *pdev) if (!I...
f1324bbc4011ed8aef3f4552210fc429bcd616da
Analyze and fix the following issue in the Linux kernel code: tpm: disable hwrng for fTPM on some AMD designs
Problem Details: AMD has issued an advisory indicating that having fTPM enabled in BIOS can cause "stuttering" in the OS. This issue has been fixed in newer versions of the fTPM firmware, but it's up to system designers to decide whether to distribute it. This issue has existed for a while, but is more prevalent star...
```diff diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index b99f55f2d4fd..0601e6e5e326 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -511,6 +511,63 @@ static int tpm_add_legacy_sysfs(struct tpm_chip *chip) return 0; } +/* + * Some AMD fTPM versions may cause...
80a6c216b16d7f5c584d2148c2e4345ea4eb06ce
Analyze and fix the following issue in the Linux kernel code: tpm/eventlog: Don't abort tpm_read_log on faulty ACPI address
Problem Details: tpm_read_log_acpi() should return -ENODEV when no eventlog from the ACPI table is found. If the firmware vendor includes an invalid log address we are unable to map from the ACPI memory and tpm_read_log() returns -EIO which would abort discovery of the eventlog. Change the return value from -EIO to -E...
```diff diff --git a/drivers/char/tpm/eventlog/acpi.c b/drivers/char/tpm/eventlog/acpi.c index 40360e599bc3..bd757d836c5c 100644 --- a/drivers/char/tpm/eventlog/acpi.c +++ b/drivers/char/tpm/eventlog/acpi.c @@ -144,8 +144,12 @@ int tpm_read_log_acpi(struct tpm_chip *chip) ret = -EIO; virt = acpi_os_map_iomem(star...
00d85e81796b17a29a0e096c5a4735daa47adef8
Analyze and fix the following issue in the Linux kernel code: hwmon: tmp512: drop of_match_ptr for ID table
Problem Details: The driver will match mostly by DT table (even thought there is regular ID table) so there is little benefit in of_match_ptr (this also allows ACPI matching via PRP0001, even though it might not be relevant here). This also fixes !CONFIG_OF error: drivers/hwmon/tmp513.c:610:34: error: ‘tmp51x_of_mat...
```diff diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c index 47bbe47e062f..7d5f7441aceb 100644 --- a/drivers/hwmon/tmp513.c +++ b/drivers/hwmon/tmp513.c @@ -758,7 +758,7 @@ static int tmp51x_probe(struct i2c_client *client) static struct i2c_driver tmp51x_driver = { .driver = { .name = "tmp51x", - ...
8d655e65237643c48ada2c131b83679bf1105373
Analyze and fix the following issue in the Linux kernel code: hwmon: (ucd90320) Add minimum delay between bus accesses
Problem Details: When probing the ucd90320 access to some of the registers randomly fails. Sometimes it NACKs a transfer, sometimes it returns just random data and the PEC check fails. Experimentation shows that this seems to be triggered by a register access directly back to back with a previous register write. Exper...
```diff diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index 75fc770c9e40..3daaf2237832 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -7,6 +7,7 @@ */ #include <linux/debugfs.h> +#include <linux/delay.h> #include <linux/kernel.h> #include <linux/modu...
4783b9cb374af02d49740e00e2da19fd4ed6dec4
Analyze and fix the following issue in the Linux kernel code: x86/mce: Make sure logged MCEs are processed after sysfs update
Problem Details: A recent change introduced a flag to queue up errors found during boot-time polling. These errors will be processed during late init once the MCE subsystem is fully set up. A number of sysfs updates call mce_restart() which goes through a subset of the CPU init flow. This includes polling MCA banks an...
```diff diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 7832a69d170e..2eec60f50057 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -2355,6 +2355,7 @@ static void mce_restart(void) { mce_timer_delete_all(); on_each_cpu(mce_cpu_restart, NULL, 1);...
c93f5e2ab53243b17febabb9422a697017d3d49a
Analyze and fix the following issue in the Linux kernel code: hwmon: (ina3221) return prober error code
Problem Details: ret is set to 0 which do not indicate an error. Return -EINVAL instead. Fixes: a9e9dd9c6de5 ("hwmon: (ina3221) Read channel input source info from DT") Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> Link: https://lore.kernel.org/r/20230310075035.246083-1-marcus.folkesson@gmail.com Signed...
```diff diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c index e06186986444..f3a4c5633b1e 100644 --- a/drivers/hwmon/ina3221.c +++ b/drivers/hwmon/ina3221.c @@ -772,7 +772,7 @@ static int ina3221_probe_child_from_dt(struct device *dev, return ret; } else if (val > INA3221_CHANNEL3) { dev_err(dev, ...
cb090e64cf25602b9adaf32d5dfc9c8bec493cd1
Analyze and fix the following issue in the Linux kernel code: hwmon: (xgene) Fix use after free bug in xgene_hwmon_remove due to race condition
Problem Details: In xgene_hwmon_probe, &ctx->workq is bound with xgene_hwmon_evt_work. Then it will be started. If we remove the driver which will call xgene_hwmon_remove to clean up, there may be unfinished work. The possible sequence is as follows: Fix it by finishing the work before cleanup in xgene_hwmon_remove....
```diff diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c index 5cde837bfd09..d1abea49f01b 100644 --- a/drivers/hwmon/xgene-hwmon.c +++ b/drivers/hwmon/xgene-hwmon.c @@ -761,6 +761,7 @@ static int xgene_hwmon_remove(struct platform_device *pdev) { struct xgene_hwmon_dev *ctx = platform_get_drvda...
0e84f3493a37d50f2f629dbea670135b8a8ee391
Analyze and fix the following issue in the Linux kernel code: ARM: dts: exynos: fix MCT compatible in Universal C210
Problem Details: When desired, nodes should be disabled instead of changing their compatible to a fake one: exynos4210-universal_c210.dtb: /soc/timer@10050000: failed to match any schema with compatible: ['none'] Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.co...
```diff diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 62bf335d5bed..140abfb38e1d 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -516,7 +516,7 @@ }; &mct { - compatible = "non...
8a922b7728a93d837954315c98b84f6b78de0c4f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: toshiba: adjust whitespace around '='
Problem Details: Fix whitespace coding style: use single space instead of tabs or multiple spaces around '=' sign in property assignment. No functional changes (same DTB). Link: https://lore.kernel.org/r/20220526204606.833054-4-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@lin...
```diff diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi index 0fc32c036f30..b04829b3175d 100644 --- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi +++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi @@ -485,7 +485,7 @@ <0x0 0x28050000 0x0 0x00010000>, <0x0...
9ee6bc3a035a5882888d6a73a2c13e2f4e65793f
Analyze and fix the following issue in the Linux kernel code: iio: proximity: sx9500: Reference ACPI and OF ID data
Problem Details: Always reference acpi_device_id and of_device_id tables, as they is little benefit of conditional compiling and OF table could be used also for ACPI matching via PRP0001. This fixes warning: drivers/iio/proximity/sx9500.c:1039:34: error: ‘sx9500_of_match’ defined but not used [-Werror=unused-const-...
```diff diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 8794e75e5bf9..9b2cfcade6a4 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -1051,8 +1051,8 @@ MODULE_DEVICE_TABLE(i2c, sx9500_id); static struct i2c_driver sx9500_driver = { .driver = { ....
b29c49026c3c05a11f845dba17cad0b3ba06836d
Analyze and fix the following issue in the Linux kernel code: iio: light: max44009: add missing OF device matching
Problem Details: The driver currently matches only via i2c_device_id, but also has of_device_id table: drivers/iio/light/max44009.c:545:34: error: ‘max44009_of_match’ defined but not used [-Werror=unused-const-variable=] Fixes: 6aef699a7d7e ("iio: light: add driver for MAX44009") Signed-off-by: Krzysztof Kozlowski ...
```diff diff --git a/drivers/iio/light/max44009.c b/drivers/iio/light/max44009.c index 3dadace09fe2..176dcad6e8e8 100644 --- a/drivers/iio/light/max44009.c +++ b/drivers/iio/light/max44009.c @@ -527,6 +527,12 @@ static int max44009_probe(struct i2c_client *client) return devm_iio_device_register(&client->dev, indio_d...
e7304080e0e50d979ce9eaf694ad8283e2e539ea
Analyze and fix the following issue in the Linux kernel code: cpumask: relax sanity checking constraints
Problem Details: The cpumask_check() was unnecessarily tight, and causes problems for the users of cpumask_next(). We have a number of users that take the previous return value of one of the bit scanning functions and subtract one to keep it in "range". But since the scanning functions end up returning up to 'small_c...
```diff diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 63d637d18e79..d4901ca8883c 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -147,7 +147,7 @@ static __always_inline void cpu_max_bits_warn(unsigned int cpu, unsigned int bit /* verify cpu argument to cpumask_* operators *...
0088dd6869579f7022b226d1266e6dc23789ed41
Analyze and fix the following issue in the Linux kernel code: iio: addac: ad74413r: fix Current Input, Loop Powered Mode
Problem Details: Currently, the driver handles CH_FUNC_CURRENT_INPUT_LOOP_POWER and CH_FUNC_CURRENT_INPUT_EXT_POWER completely identically. But that's not correct. In order for CH_FUNC_CURRENT_INPUT_LOOP_POWER to work, two changes must be made: (1) expose access to the DAC_CODE_x register so that the intended output c...
```diff diff --git a/drivers/iio/addac/ad74413r.c b/drivers/iio/addac/ad74413r.c index 4395758dbaa6..07e9f6ae16a8 100644 --- a/drivers/iio/addac/ad74413r.c +++ b/drivers/iio/addac/ad74413r.c @@ -100,6 +100,7 @@ struct ad74413r_state { #define AD74413R_REG_ADC_CONFIG_X(x) (0x05 + (x)) #define AD74413R_ADC_CONFIG_RANG...
36b617f7e4ae663fcadd202ea061ca695ca75539
Analyze and fix the following issue in the Linux kernel code: drm/mediatek: dp: Only trigger DRM HPD events if bridge is attached
Problem Details: The MediaTek DisplayPort interface bridge driver starts its interrupts as soon as its probed. However when the interrupts trigger the bridge might not have been attached to a DRM device. As drm_helper_hpd_irq_event() does not check whether the passed in drm_device is valid or not, a NULL pointer passed...
```diff diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 1f94fcc144d3..a82f53e1a146 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -1823,7 +1823,8 @@ static irqreturn_t mtk_dp_hpd_event_thread(int hpd, void *dev) spin_unlock_irqrestore...