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b8fbeea0253211d97c579eae787274633d3eaf0d
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sm8250-sony-xperia: correct GPIO keys wakeup again
Problem Details: gpio-keys,wakeup is a deprecated property: m8250-sony-xperia-edo-pdx206.dtb: gpio-keys: key-camera-focus: Unevaluated properties are not allowed ('gpio-key,wakeup' was unexpected) Fixes: a422c6a91a66 ("arm64: dts: qcom: sm8250-edo: Rectify gpio-keys") Signed-off-by: Krzysztof Kozlowski <krzysztof.k...
```diff diff --git a/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi b/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi index cd27794739a5..ecdc20bc10f5 100644 --- a/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250-sony-xperia-edo.dtsi @@ -60,7 +60,7 @@ gpios = <&p...
5e6d88815c2f8ec5e30101de7de5f6de72576a61
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc7180: Bring back cpufreq-based DDR votes
Problem Details: ChromeOS folks reported that bwmon is too slow and getting rid of statically defined CPUFREQ-based votes (effectively floor votes because of how opp-peak-kBps is interpreted), has a major performance impact in some common applications. Bring them back until MEMLAT support is introduced. This is a part...
```diff diff --git a/arch/arm64/boot/dts/qcom/sc7180-lite.dtsi b/arch/arm64/boot/dts/qcom/sc7180-lite.dtsi index 975d4422f27b..4b306a59d9be 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-lite.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-lite.dtsi @@ -6,21 +6,21 @@ */ &cpu6_opp10 { - opp-peak-kBps = <22425600>; + opp-p...
5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb
Analyze and fix the following issue in the Linux kernel code: net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb
Problem Details: The syzbot fuzzer identified a problem in the usbnet driver: usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Modules linked in: CPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-0001...
```diff diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 283ffddda821..2d14b0d78541 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1775,6 +1775,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) } else if (!info->in || !info->out) statu...
95ce158b6c93b28842b54b42ad1cb221b9844062
Analyze and fix the following issue in the Linux kernel code: dsa: mv88e6xxx: Do a final check before timing out
Problem Details: I get sporadic timeouts from the driver when using the MV88E6352. Reading the status again after the loop fixes the problem: the operation is successful but goes undetected. Some added prints show things like this: [ 58.356209] mv88e6085 mdio_mux-0.1:00: Timeout while waiting for switch, addr 1...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 8b51756bd805..c7d51a539451 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -109,6 +109,13 @@ int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg, usleep_range(100...
33937607efa050d9e237e0c4ac4ada02d961c466
Analyze and fix the following issue in the Linux kernel code: bpf: Fix an error in verifying a field in a union
Problem Details: We are utilizing BPF LSM to monitor BPF operations within our container environment. When we add support for raw_tracepoint, it hits below error. ; (const void *)attr->raw_tracepoint.name); 27: (79) r3 = *(u64 *)(r2 +0) access beyond the end of member map_type (mend:4) in struct (anon) with off 0 size...
```diff diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index fae6fc24a845..a542760c807a 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6368,7 +6368,7 @@ error: * that also allows using an array of int as a scratch * space. e.g. skb->cb[]. */ - if (off + size > mtrue_end) { + if (off + size > m...
7ce4dc3e4a9d954c8a1fb483c7a527e9b060b860
Analyze and fix the following issue in the Linux kernel code: bpf: Fix an error around PTR_UNTRUSTED
Problem Details: Per discussion with Alexei, the PTR_UNTRUSTED flag should not been cleared when we start to walk a new struct, because the struct in question may be a struct nested in a union. We should also check and set this flag before we walk its each member, in case itself is a union. We will clear this flag if t...
```diff diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 3dd47451f097..fae6fc24a845 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6133,7 +6133,6 @@ static int btf_struct_walk(struct bpf_verifier_log *log, const struct btf *btf, const char *tname, *mname, *tag_value; u32 vlen, elem_id, mid; - *fla...
b321c31c9b7b309dcde5e8854b741c8e6a9a05f0
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: vgic-v4: Make the doorbell request robust w.r.t preemption
Problem Details: Xiang reports that VMs occasionally fail to boot on GICv4.1 systems when running a preemptible kernel, as it is possible that a vCPU is blocked without requesting a doorbell interrupt. The issue is that any preemption that occurs between vgic_v4_put() and schedule() on the block path will mark the vPE...
```diff diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 8b6096753740..d3dd05bbfe23 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -727,6 +727,8 @@ struct kvm_vcpu_arch { #define DBG_SS_ACTIVE_PENDING __vcpu_single_flag(sflags, BIT(5)) ...
826c1e923be734d182a3ba456f29d4a66eebc4e8
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu/vkms: relax timer deactivation by hrtimer_try_to_cancel
Problem Details: In below thousands of screen rotation loop tests with virtual display enabled, a CPU hard lockup issue may happen, leading system to unresponsive and crash. do { xrandr --output Virtual --rotate inverted xrandr --output Virtual --rotate right xrandr --output Virtual --rotate left xrandr --output V...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c index 7cf99f752e01..7148a216ae2f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c @@ -55,8 +55,9 @@ static enum hrtimer_restart amdgpu_vkms_vblank_simulate(struct ...
b188069f788d6cbf081a73538e331e19892fbab6
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: add DCN301 specific logic for OTG programming
Problem Details: [Why&How] DCN301 does not have FAMS hence the workaround needed on other DCN3x variants related to OTG min/max selector programming is not applicable for it. Hence isolate it and have it use the old sequence without workaround. Fixes: 1598fc576420 ("drm/amd/display: Program OTG vtotal min/max selector...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/Makefile b/drivers/gpu/drm/amd/display/dc/dcn301/Makefile index 7aa628c21973..9002cb10a6ae 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn301/Makefile @@ -11,7 +11,8 @@ # Makefile for dcn30. DCN301 = dcn3...
69dc8023778334082225e2911c1f0d38734b71e9
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: export some optc function for reuse
Problem Details: [Why&How] Make a few functions non static so that they can be reused for other asic. This is in preparation for separating out OTG programming sequence for DCN301 Fixes: 1598fc576420 ("drm/amd/display: Program OTG vtotal min/max selectors unconditionally for DCN1+") Reviewed-by: Swapnil Patel <swapnil...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c index dfb8f62765f2..5bf4d0aa6230 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c @@ -215,7 +215,7 @@ void optc3_set_odm_bypass...
2f77b5931f68b1d1c290fff9d785fe15f1fa2a47
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix error & warnings in gmc_v8_0.c
Problem Details: Fix below checkpatch error & warnings: ERROR: trailing statements should be on next line + default: BUG(); WARNING: braces {} are not necessary for single statement blocks WARNING: braces {} are not necessary for any arm of this statement WARNING: Block comments should align the * on each line ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 061c320bdff1..23bfadca0fc8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -251,7 +251,8 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) case CHI...
97368254a08e2ca4766e7f84a45840230fe77fa3
Analyze and fix the following issue in the Linux kernel code: drm/msm/dsi: Drop unused regulators from QCM2290 14nm DSI PHY config
Problem Details: The regulator setup was likely copied from other SoCs by mistake. Just like SM6125 the DSI PHY on this platform is not getting power from a regulator but from the MX power domain. Fixes: 572e9fd6d14a ("drm/msm/dsi: Add phy configuration for QCM2290") Signed-off-by: Marijn Suijten <marijn.suijten@soma...
```diff diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c index 3ce45b023e63..31deda1c664a 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c @@ -1087,8 +1087,6 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs...
e8b03aef194c3c8597f4fb8e58ade1cc1f43001e
Analyze and fix the following issue in the Linux kernel code: tools: timers: fix freq average calculation
Problem Details: Delete a duplicate assignment from this function implementation. The note means ppm is average of the two actual freq samples. But ppm have a duplicate assignment. Signed-off-by: Minjie Du <duminjie@vivo.com> Acked-by: John Stultz <jstultz@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.o...
```diff diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c index 5beceeed0d11..6eba203f9da7 100644 --- a/tools/testing/selftests/timers/raw_skew.c +++ b/tools/testing/selftests/timers/raw_skew.c @@ -129,8 +129,7 @@ int main(int argc, char **argv) printf("%lld.%i(est)", ...
677232f879f2464007c511a73048ff5996b479fc
Analyze and fix the following issue in the Linux kernel code: Input: iqs7211 - point to match data directly
Problem Details: Point the OF match table directly to the struct that describes the device as opposed to an intermediate enum; doing so simplifies the code and avoids a clang warning. As part of this change, the I2C device ID table is removed, as the device cannot probe without an OF node due to the unique nature of t...
```diff diff --git a/drivers/input/touchscreen/iqs7211.c b/drivers/input/touchscreen/iqs7211.c index f60316d37f45..dc084f873762 100644 --- a/drivers/input/touchscreen/iqs7211.c +++ b/drivers/input/touchscreen/iqs7211.c @@ -2420,33 +2420,24 @@ ATTRIBUTE_GROUPS(iqs7211); static const struct of_device_id iqs7211_of_match...
e8383f5cf1b3573ce140a80bfbfd809278ab16d6
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: drop enum dpu_core_perf_data_bus_id
Problem Details: Drop the leftover of bus-client -> interconnect conversion, the enum dpu_core_perf_data_bus_id. Fixes: cb88482e2570 ("drm/msm/dpu: clean up references of DPU custom bus scaling") Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by:...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h index e3795995e145..29bb8ee2bc26 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h @@ -14,19 +14,6 @@ #define DPU_PERF_DEFAULT_MAX_CORE_CLK_R...
ba7a94ea73120e3f72c4a9b7ed6fd5598d29c069
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: add missing flush and fetch bits for DMA4/DMA5 planes
Problem Details: Note that with this, DMA4/DMA5 are still non-functional, but at least display *something* in modetest instead of nothing or underflow. Fixes: efcd0107727c ("drm/msm/dpu: add support for SM8550") Signed-off-by: Jonathan Marek <jonathan@marek.ca> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Te...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c index c278fb9d2b5b..86182c734606 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c @@ -51,7 +51,7 @@ static const u32 fetch_tbl[SSPP_MAX] = {CTL_INVALID_...
d7de5d8e403a1293e10f8f59a1f2db320232c831
Analyze and fix the following issue in the Linux kernel code: cpupower: Bump soname version
Problem Details: Several functions in the libcpupower API are renamed or removed in Linux 4.7. This is an backward-incompatible ABI change, so the library soname should change from libcpupower.so.0 to libcpupower.so.1. Fixes: ac5a181d065d ("cpupower: Add cpuidle parts into library") Signed-off-by: Ben Hutchings <ben@...
```diff diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile index 59bfa05dec5d..dc531805a570 100644 --- a/tools/power/cpupower/Makefile +++ b/tools/power/cpupower/Makefile @@ -53,7 +53,7 @@ DESTDIR ?= VERSION:= $(shell ./utils/version-gen.sh) LIB_MAJ= 0.0.1 -LIB_MIN= 0 +LIB_MIN= 1 ...
b33b8731566d50aae6e11bd02921452cf3a7e0e7
Analyze and fix the following issue in the Linux kernel code: selftests/mincore: fix skip condition for check_huge_pages test
Problem Details: The check_huge_pages test was failing instead of skipping on qemu-armv7 because the skip condition wasn't handled properly. Add an additional check to fix it. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reported-by: Linux Kerne...
```diff diff --git a/tools/testing/selftests/mincore/mincore_selftest.c b/tools/testing/selftests/mincore/mincore_selftest.c index 4c88238fc8f0..e949a43a6145 100644 --- a/tools/testing/selftests/mincore/mincore_selftest.c +++ b/tools/testing/selftests/mincore/mincore_selftest.c @@ -150,8 +150,8 @@ TEST(check_huge_pages...
a85c238c5ccd64f8d4c4560702c65cb25dee791c
Analyze and fix the following issue in the Linux kernel code: drm/msm/mdss: correct UBWC programming for SM8550
Problem Details: The SM8550 platform employs newer UBWC decoder, which requires slightly different programming. Fixes: a2f33995c19d ("drm/msm: mdss: add support for SM8550") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork...
```diff diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index 05648c910c68..798bd4f3b662 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -189,6 +189,7 @@ static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss) #define UBWC_2_0 0x20000000 #define ...
5c17f45e91f5035c1b317e93b3dfb01088ac2902
Analyze and fix the following issue in the Linux kernel code: blk-mq: fix start_time_ns and alloc_time_ns for pre-allocated rq
Problem Details: The iocost rely on rq start_time_ns and alloc_time_ns to tell saturation state of the block device. Most of the time request is allocated after rq_qos_throttle() and its alloc_time_ns or start_time_ns won't be affected. But for plug batched allocation introduced by the commit 47c122e35d7e ("block: pre...
```diff diff --git a/block/blk-mq.c b/block/blk-mq.c index 5504719b970d..d50b1d62a3d9 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -328,8 +328,24 @@ void blk_rq_init(struct request_queue *q, struct request *rq) } EXPORT_SYMBOL(blk_rq_init); +/* Set start and alloc time when the allocated request is actually ...
cdb50033dd6dfcf02ae3d4ee56bc1a9555be6d36
Analyze and fix the following issue in the Linux kernel code: PCI: rockchip: Use 64-bit mask on MSI 64-bit PCI address
Problem Details: A 32-bit mask was used on the 64-bit PCI address used for mapping MSIs. This would result in the upper 32 bits being unintentionally zeroed and MSIs getting mapped to incorrect PCI addresses if the address had any of the upper bits set. Replace 32-bit mask by appropriate 64-bit mask. [kwilczynski: us...
```diff diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h index fe0333778fd9..6111de35f84c 100644 --- a/drivers/pci/controller/pcie-rockchip.h +++ b/drivers/pci/controller/pcie-rockchip.h @@ -158,7 +158,9 @@ #define PCIE_RC_CONFIG_THP_CAP (PCIE_RC_CONFIG_BASE + 0x274) #defi...
ed3cac7c5ac6e7f284100995b80a0a60770c990c
Analyze and fix the following issue in the Linux kernel code: PCI: microchip: Remove cast between incompatible function type
Problem Details: Rather than casting void(*)(struct clk *) to void (*)(void *), that forces conversion to an incompatible function type, replace the cast with a small local stub function with a signature that matches what the devm_add_action_or_reset() function expects. The sub function takes a void *, then passes it ...
```diff diff --git a/drivers/pci/controller/pcie-microchip-host.c b/drivers/pci/controller/pcie-microchip-host.c index 5e710e485464..d30286f815e7 100644 --- a/drivers/pci/controller/pcie-microchip-host.c +++ b/drivers/pci/controller/pcie-microchip-host.c @@ -848,6 +848,13 @@ static const struct irq_domain_ops event_dom...
7a6531696668f1c9251f6b7219c02519f652be3d
Analyze and fix the following issue in the Linux kernel code: PCI: keembay: Remove cast between incompatible function type
Problem Details: Rather than casting void(*)(struct clk *) to void (*)(void *), that forces conversion to an incompatible function type, replace the cast with a small local stub function with a signature that matches what the devm_add_action_or_reset() function expects. The sub function takes a void *, then passes it ...
```diff diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c index f90f36bac018..289bff99d762 100644 --- a/drivers/pci/controller/dwc/pcie-keembay.c +++ b/drivers/pci/controller/dwc/pcie-keembay.c @@ -148,6 +148,13 @@ static const struct dw_pcie_ops keembay_pcie_ops = { ....
1a8bf351ccde7527ca0427151b5fe43f64fa1eac
Analyze and fix the following issue in the Linux kernel code: PCI: meson: Remove cast between incompatible function type
Problem Details: Rather than casting void(*)(struct clk *) to void (*)(void *), that forces conversion to an incompatible function type, replace the cast with a small local stub function with a signature that matches what the devm_add_action_or_reset() function expects. The sub function takes a void *, then passes it ...
```diff diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index c1527693bed9..34990a6363d0 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -163,6 +163,13 @@ static int meson_pcie_reset(struct meson_pcie *mp) return 0; } ...
b9cbc06049cb6b7a322d708c2098195fb9fdcc4c
Analyze and fix the following issue in the Linux kernel code: PCI: qcom-ep: Switch MHI bus master clock off during L1SS
Problem Details: Currently, as part of the qcom_pcie_perst_deassert() function, instead of writing the updated value to clear PARF_MSTR_AXI_CLK_EN, the variable "val" is re-read. This must be fixed to ensure that the master clock supplied to the MHI bus is correctly gated during L1.1/L1.2 to save power. Thus, replace...
```diff diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 0fe7f06f2102..267e1247d548 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -415,7 +415,7 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci) ...
d8650c0c2aa2e413594e4cb0faafa9958c1d7782
Analyze and fix the following issue in the Linux kernel code: PCI: apple: Initialize pcie->nvecs before use
Problem Details: The apple_pcie_setup_port() function computes ilog2(pcie->nvecs) to set up the number of MSIs available for each port. However, it's called before apple_msi_init(), which initializes pcie->nvecs. Luckily, pcie->nvecs is part of kzalloc()-ed structure and, as such, initialized as zero. ilog2(0) happens...
```diff diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c index 66f37e403a09..2340dab6cd5b 100644 --- a/drivers/pci/controller/pcie-apple.c +++ b/drivers/pci/controller/pcie-apple.c @@ -783,6 +783,10 @@ static int apple_pcie_init(struct pci_config_window *cfg) cfg->priv = pcie; ...
ec7633de404e7ce704d8f79081b97bca5b616c23
Analyze and fix the following issue in the Linux kernel code: sparc: mark __arch_xchg() as __always_inline
Problem Details: An otherwise correct change to the atomic operations uncovered an existing bug in the sparc __arch_xchg() function, which is calls __xchg_called_with_bad_pointer() when its arguments are unknown at compile time: ERROR: modpost: "__xchg_called_with_bad_pointer" [lib/atomic64_test.ko] undefined! This n...
```diff diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index 7a1339533d1d..d0af82c240b7 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -15,7 +15,7 @@ unsigned long __xchg_u32(volatile u32 *m, u32 new); void __xchg_called_with_bad_p...
290d161045753240f2100b8f44660426ecc97be5
Analyze and fix the following issue in the Linux kernel code: Revert "drm/i915: use localized __diag_ignore_all() instead of per file"
Problem Details: This reverts commit 88e9664434c994e97a9f6f8cdd1535495c660cea. __diag_ignore_all() only works for GCC 8 or later. -Woverride-init (from -Wextra, enabled in i915 Makefile) combined with CONFIG_WERROR=y or W=e breaks the build for older GCC. With i386_defconfig and x86_64_defconfig enabling CONFIG_WERR...
```diff diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 789dce9e2608..dcbda9ba32dd 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -23,6 +23,11 @@ subdir-ccflags-y += $(call cc-option, -Wunused-but-set-variable) subdir-ccflags-y += $(call cc-disable-wa...
e38e2c6a9efc435f9de344b7c91f7697e01b47d5
Analyze and fix the following issue in the Linux kernel code: tracing/probes: Fix to update dynamic data counter if fetcharg uses it
Problem Details: Fix to update dynamic data counter ('dyndata') and max length ('maxlen') only if the fetcharg uses the dynamic data. Also get out arg->dynamic from unlikely(). This makes dynamic data address wrong if process_fetch_insn() returns error on !arg->dynamic case. Link: https://lore.kernel.org/all/168908494...
```diff diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h index ed9d57c6b041..185da001f4c3 100644 --- a/kernel/trace/trace_probe_tmpl.h +++ b/kernel/trace/trace_probe_tmpl.h @@ -267,11 +267,13 @@ store_trace_args(void *data, struct trace_probe *tp, void *rec, if (unlikely(arg->dynamic)) ...
b41326b5e0f82e93592c4366359917b5d67b529f
Analyze and fix the following issue in the Linux kernel code: tracing/probes: Fix not to count error code to total length
Problem Details: Fix not to count the error code (which is minus value) to the total used length of array, because it can mess up the return code of process_fetch_insn_bottom(). Also clear the 'ret' value because it will be used for calculating next data_loc entry. Link: https://lore.kernel.org/all/168908493827.123124...
```diff diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h index 4735c5cb76fa..ed9d57c6b041 100644 --- a/kernel/trace/trace_probe_tmpl.h +++ b/kernel/trace/trace_probe_tmpl.h @@ -204,6 +204,8 @@ stage3: array: /* the last stage: Loop on array */ if (code->op == FETCH_OP_LP_ARRAY) { + i...
66bcf65d6cf0ca6540e2341e88ee7ef02dbdda08
Analyze and fix the following issue in the Linux kernel code: tracing/probes: Fix to avoid double count of the string length on the array
Problem Details: If an array is specified with the ustring or symstr, the length of the strings are accumlated on both of 'ret' and 'total', which means the length is double counted. Just set the length to the 'ret' value for avoiding double counting. Link: https://lore.kernel.org/all/168908492917.123124.1507646349112...
```diff diff --git a/kernel/trace/trace_probe_tmpl.h b/kernel/trace/trace_probe_tmpl.h index 00707630788d..4735c5cb76fa 100644 --- a/kernel/trace/trace_probe_tmpl.h +++ b/kernel/trace/trace_probe_tmpl.h @@ -156,11 +156,11 @@ stage3: code++; goto array; case FETCH_OP_ST_USTRING: - ret += fetch_store_strlen_...
861dbb2b15b1049113887fb95e856f7123eea0cc
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Fix HSUART for Jetson AGX Orin
Problem Details: After commit 71de0a054d0e ("arm64: tegra: Drop serial clock-names and reset-names") was applied, the HSUART failed to probe and the following error is seen: serial-tegra 3100000.serial: Couldn't get the reset serial-tegra: probe of 3100000.serial failed with error -2 Commit 71de0a054d0e ("arm64: te...
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts index cd13cf2381dd..513cc2cd0b66 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.d...
d97966df30ed8c7df0350b8ff6662e38ee88c39f
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Add missing alias for NVIDIA IGX Orin
Problem Details: The following error is seen on boot for the NVIDIA IGX Orin platform ... serial-tegra 3100000.serial: failed to get alias id, errno -19 Fix this by populating the necessary alias for the serial device. Fixes: c95711d7dbc4 ("arm64: tegra: Add support for IGX Orin") Signed-off-by: Jon Hunter <jonatha...
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.dts index 43d797e5544f..b35044812ecf 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.dts +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3740-0002+p3701-0008.d...
df43fba7c75545094639be42a85502634f075a19
Analyze and fix the following issue in the Linux kernel code: ASoC: q6dsp: q6apm: make g_apm static
Problem Details: This patch fixes the following sprse warning: sound/soc/qcom/qdsp6/q6apm.c:30:14: sparse: warning: symbol 'g_apm' was not declared. Should it be static? No functional change intended Signed-off-by: Min-Hua Chen <minhuadotchen@gmail.com> Link: https://lore.kernel.org/r/20230713151744.86072-1-minhuado...
```diff diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c index 5d44d07acd69..2a2a5bd98110 100644 --- a/sound/soc/qcom/qdsp6/q6apm.c +++ b/sound/soc/qcom/qdsp6/q6apm.c @@ -27,7 +27,7 @@ struct apm_graph_mgmt_cmd { #define APM_GRAPH_MGMT_PSIZE(p, n) ALIGN(struct_size(p, sub_graph_id_list, n), 8...
6d2a87ddd9c2488732ca422476a9417ca312f75a
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: acp: clean up some inconsistent indentings
Problem Details: sound/soc/amd/acp/acp-rembrandt.c:283 rmb_pcm_resume() warn: inconsistent indenting Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5863 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Link: https://lore.kernel.org/r/20230713065106.21564-1-...
```diff diff --git a/sound/soc/amd/acp/acp-rembrandt.c b/sound/soc/amd/acp/acp-rembrandt.c index 89314d95ec2b..21e67ed956d1 100644 --- a/sound/soc/amd/acp/acp-rembrandt.c +++ b/sound/soc/amd/acp/acp-rembrandt.c @@ -280,8 +280,8 @@ static int __maybe_unused rmb_pcm_resume(struct device *dev) } } } - spin_unloc...
b8f6446b6853768cb99e7c201bddce69ca60c15e
Analyze and fix the following issue in the Linux kernel code: nvme-pci: fix DMA direction of unmapping integrity data
Problem Details: DMA direction should be taken in dma_unmap_page() for unmapping integrity data. Fix this DMA direction, and reported in Guangwu's test. Reported-by: Guangwu Zhang <guazhang@redhat.com> Fixes: 4aedb705437f ("nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data") Signed-off-by: Ming L...
```diff diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8e7dbe0ab890..baf69af7ea78 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -967,7 +967,7 @@ static __always_inline void nvme_pci_unmap_rq(struct request *req) struct nvme_iod *iod = blk_mq_rq_to_pdu(req); d...
dc6d5d85ed3a3fe566314f388bce4c71a26b1677
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Update AHUB clock parent and rate
Problem Details: I2S data sanity test failures are seen at lower AHUB clock rates on Tegra234. The Tegra194 uses the same clock relationship for AHUB and it is likely that similar issues would be seen. Thus update the AHUB clock parent and rates here as well for Tegra194, Tegra186 and Tegra210. Fixes: 177208f7b06d ("a...
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 7e4c496fd91c..2b3bb5d0af17 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -135,7 +135,8 @@ clocks = <&bpmp TEGRA186_CLK_AHUB>; clock-names = "ah...
e483fe34adab3197558b7284044c1b26f5ede20e
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Update AHUB clock parent and rate on Tegra234
Problem Details: I2S data sanity tests fail beyond a bit clock frequency of 6.144MHz. This happens because the AHUB clock rate is too low and it shows 9.83MHz on boot. The maximum rate of PLLA_OUT0 is 49.152MHz and is used to serve I/O clocks. It is recommended that AHUB clock operates higher than this. Thus fix this ...
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index f4974e81dd4b..0f12a8debd8a 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -180,7 +180,8 @@ clocks = <&bpmp TEGRA234_CLK_AHUB>; clock-names = "...
ac522fc6c3165fd0daa2f8da7e07d5f800586daa
Analyze and fix the following issue in the Linux kernel code: nvme: don't reject probe due to duplicate IDs for single-ported PCIe devices
Problem Details: While duplicate IDs are still very harmful, including the potential to easily see changing devices in /dev/disk/by-id, it turn out they are extremely common for cheap end user NVMe devices. Relax our check for them for so that it doesn't reject the probe on single-ported PCIe devices, but prints a big...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 47d7ba2827ff..37b6fa746662 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3431,10 +3431,40 @@ static int nvme_init_ns_head(struct nvme_ns *ns, struct nvme_ns_info *info) ret = nvme_global_check_duplicate_ids(ctr...
d5a821896360cc8b93a15bd888fabc858c038dc0
Analyze and fix the following issue in the Linux kernel code: tracing: Fix memory leak of iter->temp when reading trace_pipe
Problem Details: kmemleak reports: unreferenced object 0xffff88814d14e200 (size 256): comm "cat", pid 336, jiffies 4294871818 (age 779.490s) hex dump (first 32 bytes): 04 00 01 03 00 00 00 00 08 00 00 00 00 00 00 00 ................ 0c d8 c8 9b ff ff ff ff 04 5a ca 9b ff ff ff ff .........Z........
```diff diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 20122eeccf97..be847d45d81c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6781,6 +6781,7 @@ static int tracing_release_pipe(struct inode *inode, struct file *file) free_cpumask_var(iter->started); kfree(iter->fmt); + kfree(it...
ccf61486fe1e1a48e18c638d1813cda77b3c0737
Analyze and fix the following issue in the Linux kernel code: procfs: block chmod on /proc/thread-self/comm
Problem Details: Due to an oversight in commit 1b3044e39a89 ("procfs: fix pthread cross-thread naming if !PR_DUMPABLE") in switching from REG to NOD, chmod operations on /proc/thread-self/comm were no longer blocked as they are on almost all other procfs files. A very similar situation with /proc/self/environ was used...
```diff diff --git a/fs/proc/base.c b/fs/proc/base.c index 05452c3b9872..7394229816f3 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3583,7 +3583,8 @@ static int proc_tid_comm_permission(struct mnt_idmap *idmap, } static const struct inode_operations proc_tid_comm_inode_operations = { - .permission = proc_ti...
2329cc7a101af1a844fbf706c0724c0baea38365
Analyze and fix the following issue in the Linux kernel code: drm/client: Fix memory leak in drm_client_modeset_probe
Problem Details: When a new mode is set to modeset->mode, the previous mode should be freed. This fixes the following kmemleak report: drm_mode_duplicate+0x45/0x220 [drm] drm_client_modeset_probe+0x944/0xf50 [drm] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper] drm_fbdev_client_hotplug+0x2bc/0x4d...
```diff diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index a4a62aa99984..871e4e2129d6 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -867,6 +867,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int widt...
c2a88e8bdf5f6239948d75283d0ae7e0c7945b03
Analyze and fix the following issue in the Linux kernel code: drm/client: Fix memory leak in drm_client_target_cloned
Problem Details: dmt_mode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected. This fixes the following kmemleak report: backtrace: [<00000000b391296d>] drm_mode_duplicate+0x45/0x220 [drm] [<00000000e45bb5b3>] drm_c...
```diff diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 1b12a3c201a3..a4a62aa99984 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -311,6 +311,9 @@ static bool drm_client_target_cloned(struct drm_device *dev, can_clone = tr...
ed74cc4995d314ea6cbf406caf978c442f451fa5
Analyze and fix the following issue in the Linux kernel code: sched/debug: Dump domains' sched group flags
Problem Details: There have been a case where the SD_SHARE_CPUCAPACITY sched group flag in a parent domain were not set and propagated properly when a degenerate domain is removed. Add dump of domain sched group flags of a CPU to make debug easier in the future. Usage: cat /debug/sched/domains/cpu0/domain1/groups_fla...
```diff diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 066ff1c8ae4e..aeeba46a096b 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -427,6 +427,7 @@ static void register_sd(struct sched_domain *sd, struct dentry *parent) #undef SDM debugfs_create_file("flags", 0444, parent, &sd->flags...
548796e2e70b44b4661fd7feee6eb239245ff1f8
Analyze and fix the following issue in the Linux kernel code: sched/core: introduce sched_core_idle_cpu()
Problem Details: As core scheduling introduced, a new state of idle is defined as force idle, running idle task but nr_running greater than zero. If a cpu is in force idle state, idle_cpu() will return zero. This result makes sense in some scenarios, e.g., load balance, showacpu when dumping, and judge the RCU boost k...
```diff diff --git a/include/linux/sched.h b/include/linux/sched.h index 609bde814cb0..efc9f4bdc4ca 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2433,9 +2433,11 @@ extern void sched_core_free(struct task_struct *tsk); extern void sched_core_fork(struct task_struct *p); extern int sched_core_shar...
d088d6b648f47fc63e0f1d429c6eaddb426623a4
Analyze and fix the following issue in the Linux kernel code: arm64: dts: arm: Remove the dangling vexpress-v2m-rs1.dtsi symlink
Problem Details: Commit 724ba6751532 ("ARM: dts: Move .dts files to vendor sub-directories") moved all arm vendor specific DTS into the sub-directory and updated vexpress-v2f-1xv7-ca53x2.dts accordingly to include vexpress-v2m-rs1.dtsi from the right path. However the symlink was left dangling which is harmless and cau...
```diff diff --git a/arch/arm64/boot/dts/arm/vexpress-v2m-rs1.dtsi b/arch/arm64/boot/dts/arm/vexpress-v2m-rs1.dtsi deleted file mode 120000 index 68fd0f8f1dee..000000000000 --- a/arch/arm64/boot/dts/arm/vexpress-v2m-rs1.dtsi +++ /dev/null @@ -1 +0,0 @@ -../../../../arm/boot/dts/vexpress-v2m-rs1.dtsi \ No newline at end...
18e66ae67673f2c8df6f02428798b1355691f2a9
Analyze and fix the following issue in the Linux kernel code: proc: use generic setattr() for /proc/$PID/net
Problem Details: All other files in /proc/$PID/ use proc_setattr(). Not using it allows the usage of chmod() on /proc/$PID/net, even on other processes owned by the same user. The same would probably also be true for other attributes to be changed. As this technically represents an ABI change it is not marked for sta...
```diff diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index a0c0419872e3..78f9e6b469c0 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -321,6 +321,7 @@ static int proc_tgid_net_getattr(struct mnt_idmap *idmap, const struct inode_operations proc_net_inode_operations = { .lookup = proc_tgid_net_loo...
49319832de90f1943264e5c573b072947af6ae26
Analyze and fix the following issue in the Linux kernel code: selftests/nolibc: drop test chmod_net
Problem Details: The test relies on /proc/$PID/net to allow chmod() operations. It is the only file or directory in /proc/$PID/ to allow this and a bug. That bug will be fixed in the next patch in the series and therefore the test would start failing. Link: https://lore.kernel.org/lkml/d0d111ef-edae-4760-83fb-36db8427...
```diff diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 486334981e60..970df9e55131 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -577,7 +577,6 @@ int run_syscall(int min, int max) CASE_TES...
a282a2f10539dce2aa619e71e1817570d557fc97
Analyze and fix the following issue in the Linux kernel code: libceph: harden msgr2.1 frame segment length checks
Problem Details: ceph_frame_desc::fd_lens is an int array. decode_preamble() thus effectively casts u32 -> int but the checks for segment lengths are written as if on unsigned values. While reading in HELLO or one of the AUTH frames (before authentication is completed), arithmetic in head_onwire_len() can get duped b...
```diff diff --git a/net/ceph/messenger_v2.c b/net/ceph/messenger_v2.c index 1a888b86a494..1df1d29dee92 100644 --- a/net/ceph/messenger_v2.c +++ b/net/ceph/messenger_v2.c @@ -390,6 +390,8 @@ static int head_onwire_len(int ctrl_len, bool secure) int head_len; int rem_len; + BUG_ON(ctrl_len < 0 || ctrl_len > CEPH_M...
d44263222134b5635932974c6177a5cba65a07e8
Analyze and fix the following issue in the Linux kernel code: mmc: moxart: read scr register without changing byte order
Problem Details: Conversion from big-endian to native is done in a common function mmc_app_send_scr(). Converting in moxart_transfer_pio() is extra. Double conversion on a LE system returns an incorrect SCR value, leads to errors: mmc0: unrecognised SCR structure version 8 Fixes: 1b66e94e6b99 ("mmc: moxart: Add MOXA ...
```diff diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 2d002c81dcf3..d0d6ffcf78d4 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -338,13 +338,7 @@ static void moxart_transfer_pio(struct moxart_host *host) return; } for (len = 0; len < rem...
55b87b74996383230586f4f9f801ae304c70e649
Analyze and fix the following issue in the Linux kernel code: arm64: Fix HFGxTR_EL2 field naming
Problem Details: The HFGxTR_EL2 fields do not always follow the naming described in the spec, nor do they match the name of the register they trap in the rest of the kernel. It is a bit sad that they were written by hand despite the availability of a machine readable version... Fixes: cc077e7facbe ("arm64/sysreg: Con...
```diff diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 1ea4a3dc68f8..65866bf819c3 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -2017,7 +2017,7 @@ Field 0 SM EndSysreg SysregFields HFGxTR_EL2 -Field 63 nAMIAIR2_EL1 +Field 63 nAMAIR2_EL1 Field 62 nMAIR2_EL1 Field 61 nS...
3e337087c3b5805fe0b8a46ba622a962880b5d64
Analyze and fix the following issue in the Linux kernel code: net/sched: sch_qfq: account for stab overhead in qfq_enqueue
Problem Details: Lion says: ------- In the QFQ scheduler a similar issue to CVE-2023-31436 persists. Consider the following code in net/sched/sch_qfq.c: static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) { unsigned int len = qdisc_pkt_len(skb), gso_segs; ...
```diff diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 63a5b277c117..befaf74b33ca 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -381,8 +381,13 @@ static int qfq_change_agg(struct Qdisc *sch, struct qfq_class *cl, u32 weight, u32 lmax) { struct qfq_sched *q = qdisc_priv(sch); - st...
158810b261d02fc7dd92ca9c392d8f8a211a2401
Analyze and fix the following issue in the Linux kernel code: net/sched: sch_qfq: reintroduce lmax bound check for MTU
Problem Details: 25369891fcef deletes a check for the case where no 'lmax' is specified which 3037933448f6 previously fixed as 'lmax' could be set to the device's MTU without any bound checking for QFQ_LMAX_MIN and QFQ_LMAX_MAX. Therefore, reintroduce the check. Fixes: 25369891fcef ("net/sched: sch_qfq: refactor parsi...
```diff diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index dfd9a99e6257..63a5b277c117 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -423,10 +423,17 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, else weight = 1; - if (tb[TCA_QFQ_LMAX]) + if (tb[TCA_QFQ_LMAX...
43818a4bf8ef8f38253bfb851ae64f3cdf45fdf4
Analyze and fix the following issue in the Linux kernel code: gpio: sim: fix a typo in comment
Problem Details: It was supposed to say 'for' not 'fo'. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
```diff diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index 8b49b0abacd5..cfbdade841e8 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -488,7 +488,7 @@ struct gpio_sim_device { * This structure however can be modified by callbacks of different * attributes so we need another...
1193001081e98d13c786fe0cae407cb747104cdc
Analyze and fix the following issue in the Linux kernel code: arm64: dts: lg: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: lg1312-ref.dtb: l2-cache0: 'cache-level' is a required property Acked-by: Chanho Min <chanho.min@lge.com> Link: https://lore.kernel.org/r/20230421223201.115439-1-krzysztof.kozl...
```diff diff --git a/arch/arm64/boot/dts/lg/lg1312.dtsi b/arch/arm64/boot/dts/lg/lg1312.dtsi index 78ae73d0cf36..48ec4ebec0a8 100644 --- a/arch/arm64/boot/dts/lg/lg1312.dtsi +++ b/arch/arm64/boot/dts/lg/lg1312.dtsi @@ -48,6 +48,8 @@ }; L2_0: l2-cache0 { compatible = "cache"; + cache-level = <2>; + cache-u...
a8cf500c42c751b992f5480c390d6ad2419472e0
Analyze and fix the following issue in the Linux kernel code: arm64: dts: nuvoton: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: nuvoton-npcm845-evb.dtb: l2-cache: 'cache-level' is a required property nuvoton-npcm845-evb.dtb: l2-cache: 'cache-unified' is a required property Reviewed-by: Tomer Maimon <t...
```diff diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi index 12118b75c0e6..383938dcd3ce 100644 --- a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi +++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi @@ -49,6 +49,8 @@ l2: l2-cache { compati...
7c28a35e19fafa1d3b367bcd3ec4021427a9397b
Analyze and fix the following issue in the Linux kernel code: sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ
Problem Details: A recent change to start counting SuperH IRQ #s from 16 breaks support for the Hitachi HD64461 companion chip. Move the offchip IRQ base and HD64461 IRQ # by 16 in order to accommodate for the new virq numbering rules. Fixes: a8ac2961148e ("sh: Avoid using IRQ0 on SH3 and SH4") Signed-off-by: Artur R...
```diff diff --git a/arch/sh/cchips/Kconfig b/arch/sh/cchips/Kconfig index efde2edb5627..9659a0bc58de 100644 --- a/arch/sh/cchips/Kconfig +++ b/arch/sh/cchips/Kconfig @@ -29,9 +29,9 @@ endchoice config HD64461_IRQ int "HD64461 IRQ" depends on HD64461 - default "36" + default "52" help - The default setting of ...
3d20f7a6eb76afdf9d4ad9cb864c2e2da9c38e1f
Analyze and fix the following issue in the Linux kernel code: sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux
Problem Details: Take into account the virq offset when translating cascaded interrupts. Fixes: a8ac2961148e8c72 ("sh: Avoid using IRQ0 on SH3 and SH4") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/7d0c...
```diff diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c index cc06e4cdb4cd..0eec82fb85e7 100644 --- a/arch/sh/boards/mach-dreamcast/irq.c +++ b/arch/sh/boards/mach-dreamcast/irq.c @@ -108,13 +108,13 @@ int systemasic_irq_demux(int irq) __u32 j, bit; switch (irq) { - case 13:...
a2601b8d8f077368c6d113b4d496559415c6d495
Analyze and fix the following issue in the Linux kernel code: sh: mach-highlander: Handle virq offset in cascaded IRL demux
Problem Details: Take into account the virq offset when translating cascaded IRL interrupts. Fixes: a8ac2961148e8c72 ("sh: Avoid using IRQ0 on SH3 and SH4") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/...
```diff diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c index 533393d779c2..01565660a669 100644 --- a/arch/sh/boards/mach-highlander/setup.c +++ b/arch/sh/boards/mach-highlander/setup.c @@ -389,10 +389,10 @@ static unsigned char irl2irq[HL_NR_IRL]; static int highlander_i...
ab8aa4f0956d2e0fb8344deadb823ef743581795
Analyze and fix the following issue in the Linux kernel code: sh: mach-r2d: Handle virq offset in cascaded IRL demux
Problem Details: When booting rts7751r2dplus_defconfig on QEMU, the system hangs due to an interrupt storm on IRQ 20. IRQ 20 aka event 0x280 is a cascaded IRL interrupt, which maps to IRQ_VOYAGER, the interrupt used by the Silicon Motion SM501 multimedia companion chip. As rts7751r2d_irq_demux() does not take into ac...
```diff diff --git a/arch/sh/boards/mach-r2d/irq.c b/arch/sh/boards/mach-r2d/irq.c index e34f81e9ae81..d0a54a9adbce 100644 --- a/arch/sh/boards/mach-r2d/irq.c +++ b/arch/sh/boards/mach-r2d/irq.c @@ -117,10 +117,10 @@ static unsigned char irl2irq[R2D_NR_IRL]; int rts7751r2d_irq_demux(int irq) { - if (irq >= R2D_NR_I...
645e583d2689a1dd2163da28a7789b4d9febf316
Analyze and fix the following issue in the Linux kernel code: selftests: ALSA: Fix fclose on an already fclosed file pointer
Problem Details: In the case where a sysfs file cannot be opened the error return path fcloses file pointer fpl, however, fpl has already been closed in the previous stanza. Fix the double fclose by removing it. Fixes: 10b98a4db11a ("selftests: ALSA: Add test for the 'pcmtest' driver") Signed-off-by: Colin Ian King <c...
```diff diff --git a/tools/testing/selftests/alsa/test-pcmtest-driver.c b/tools/testing/selftests/alsa/test-pcmtest-driver.c index 71931b240a83..357adc722cba 100644 --- a/tools/testing/selftests/alsa/test-pcmtest-driver.c +++ b/tools/testing/selftests/alsa/test-pcmtest-driver.c @@ -47,10 +47,8 @@ static int read_patter...
deb1200f6eb634a6e4d08ada953b72be1e8adcfa
Analyze and fix the following issue in the Linux kernel code: ALSA: emu10k1: fix return value of snd_emu1010_adc_pads_put()
Problem Details: It returned zero even if the value had changed. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230712145750.125086-1-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index f9500cd50a4b..573e1c7c5e50 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -770,18 +770,21 @@ static int snd_emu1010_adc_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct struct snd_emu10k1 *emu ...
7891d0a5ce6f627132d3068ba925cf86f29008b1
Analyze and fix the following issue in the Linux kernel code: soundwire: amd: Fix a check for errors in probe()
Problem Details: This code has two problems: 1) The devm_ioremap() function returns NULL, not error pointers. 2) It's checking the wrong variable. ->mmio instead of ->acp_mmio. Fixes: d8f48fbdfd9a ("soundwire: amd: Add support for AMD Manager driver") Suggested-by: "Mukunda,Vijendar" <vijendar.mukunda@amd.com> Signed...
```diff diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c index 08aeb7ed00e1..3a99f6dcdfaf 100644 --- a/drivers/soundwire/amd_manager.c +++ b/drivers/soundwire/amd_manager.c @@ -910,9 +910,9 @@ static int amd_sdw_manager_probe(struct platform_device *pdev) return -ENOMEM; amd_manager...
d0184830e611d0881e014e0fb10da707edbb3f71
Analyze and fix the following issue in the Linux kernel code: bus: mhi: host: use vmalloc_array and vcalloc
Problem Details: Use vmalloc_array and vcalloc to protect against multiplication overflows. The changes were done using the following Coccinelle semantic patch: // <smpl> @initialize:ocaml@ @@ let rename alloc = match alloc with "vmalloc" -> "vmalloc_array" | "vzalloc" -> "vcalloc" | _ -> failwith "unknown...
```diff diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c index f72fcb66f408..f78aefd2d7a3 100644 --- a/drivers/bus/mhi/host/init.c +++ b/drivers/bus/mhi/host/init.c @@ -759,7 +759,7 @@ static int parse_ch_cfg(struct mhi_controller *mhi_cntrl, * so to avoid any memory possible allocation failure...
bf99f6be2d20146942bce6f9e90a0ceef12cbc1e
Analyze and fix the following issue in the Linux kernel code: smb: client: fix missed ses refcounting
Problem Details: Use new cifs_smb_ses_inc_refcount() helper to get an active reference of @ses and @ses->dfs_root_ses (if set). This will prevent @ses->dfs_root_ses of being put in the next call to cifs_put_smb_ses() and thus potentially causing an use-after-free bug. Fixes: 8e3554150d6c ("cifs: fix sharing of DFS co...
```diff diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c index 1403a2d1ab17..df3fd3b720da 100644 --- a/fs/smb/client/dfs.c +++ b/fs/smb/client/dfs.c @@ -66,6 +66,12 @@ static int get_session(struct cifs_mount_ctx *mnt_ctx, const char *full_path) return rc; } +/* + * Track individual DFS referral servers used...
f1f047bd7ce0d73788e04ac02268060a565f7ecb
Analyze and fix the following issue in the Linux kernel code: smb: client: Fix -Wstringop-overflow issues
Problem Details: pSMB->hdr.Protocol is an array of size 4 bytes, hence when the compiler analyzes this line of code parm_data = ((char *) &pSMB->hdr.Protocol) + offset; it legitimately complains about the fact that offset points outside the bounds of the array. Notice that the compiler gives priority to the object a...
```diff diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c index 19f7385abeec..9dee267f1893 100644 --- a/fs/smb/client/cifssmb.c +++ b/fs/smb/client/cifssmb.c @@ -3184,7 +3184,7 @@ setAclRetry: param_offset = offsetof(struct smb_com_transaction2_spi_req, InformationLevel) - 4; offset = param_offset...
fec3ebb5ed299ac3a998f011c380f2ded47f4866
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: fix receiving mesh packets without RFC1042 header
Problem Details: Fix ethernet header length field after stripping the mesh header Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/CT5GNZSK28AI.2K6M69OXM9RW5@syracuse/ Fixes: 986e43b19ae9 ("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces") Reported-and-tested-by: Nicolas Escande <nico.escand...
```diff diff --git a/net/wireless/util.c b/net/wireless/util.c index 89c9ad6c886e..1783ab9d57a3 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -580,6 +580,8 @@ int ieee80211_strip_8023_mesh_hdr(struct sk_buff *skb) hdrlen += ETH_ALEN + 2; else if (!pskb_may_pull(skb, hdrlen)) return -EINVAL; + el...
4f4626cd049576af1276c7568d5b44eb3f7bb1b1
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: debug: fix error code in rtw89_debug_priv_send_h2c_set()
Problem Details: If there is a failure during rtw89_fw_h2c_raw() rtw89_debug_priv_send_h2c should return negative error code instead of a positive value count. Fix this bug by returning correct error code. Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver") Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.co...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c index 1db2d59d33ff..a4bbac916e22 100644 --- a/drivers/net/wireless/realtek/rtw89/debug.c +++ b/drivers/net/wireless/realtek/rtw89/debug.c @@ -3026,17 +3026,18 @@ static ssize_t rtw89_debug_priv_send_h2c_set(stru...
aa846677a9fb19a0f2c58154c140398aa92a87ba
Analyze and fix the following issue in the Linux kernel code: net: txgbe: fix eeprom calculation error
Problem Details: For some device types like TXGBE_ID_XAUI, *checksum computed in txgbe_calc_eeprom_checksum() is larger than TXGBE_EEPROM_SUM. Remove the limit on the size of *checksum. Fixes: 049fe5365324 ("net: txgbe: Add operations to interact with firmware") Fixes: 5e2ea7801fac ("net: txgbe: Fix unsigned compariso...
```diff diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c index 12405d71c5ee..0772eb14eabf 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c @@ -186,9 +186,6 @@ static int txgbe_calc_eeprom_checksum(str...
6018b585e8c6fa7d85d4b38d9ce49a5b67be7078
Analyze and fix the following issue in the Linux kernel code: tracing/histograms: Add histograms to hist_vars if they have referenced variables
Problem Details: Hist triggers can have referenced variables without having direct variables fields. This can be the case if referenced variables are added for trigger actions. In this case the newly added references will not have field variables. Not taking such referenced variables into consideration can result in a ...
```diff diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index b97d3ad832f1..c8c61381eba4 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -6663,13 +6663,15 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops, if (get_named_trigge...
150e33e62c1fa4af5aaab02776b6c3812711d478
Analyze and fix the following issue in the Linux kernel code: net/sched: make psched_mtu() RTNL-less safe
Problem Details: Eric Dumazet says[1]: ------- Speaking of psched_mtu(), I see that net/sched/sch_pie.c is using it without holding RTNL, so dev->mtu can be changed underneath. KCSAN could issue a warning. ------- Annotate dev->mtu with READ_ONCE() so KCSAN don't issue a warning. [1] https://lore.kernel.org/all/CANn8...
```diff diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index e98aac9d5ad5..15960564e0c3 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -134,7 +134,7 @@ extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1]; */ static inline unsigned int psched_mtu(const struct net_device *...
1e9cb763e9bacf0c932aa948f50dcfca6f519a26
Analyze and fix the following issue in the Linux kernel code: net: ena: fix shift-out-of-bounds in exponential backoff
Problem Details: The ENA adapters on our instances occasionally reset. Once recently logged a UBSAN failure to console in the process: UBSAN: shift-out-of-bounds in build/linux/drivers/net/ethernet/amazon/ena/ena_com.c:540:13 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 28 PID: 70012 Comm:...
```diff diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index 451c3a1b6255..633b321d7fdd 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -35,6 +35,8 @@ #define ENA_REGS_ADMIN_INTR_MASK 1 +#define ENA_MAX_BA...
8cc32a9bbf2934d90762d9de0187adcb5ad46a11
Analyze and fix the following issue in the Linux kernel code: kallsyms: strip LTO-only suffixes from promoted global functions
Problem Details: Commit 6eb4bd92c1ce ("kallsyms: strip LTO suffixes from static functions") stripped all function/variable suffixes started with '.' regardless of whether those suffixes are generated at LTO mode or not. In fact, as far as I know, in LTO mode, when a static function/variable is promoted to the global sc...
```diff diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 7982cc9d497c..016d997131d4 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -174,11 +174,10 @@ static bool cleanup_symbol_name(char *s) * LLVM appends various suffixes for local functions and variables that * must be promoted to global scop...
dcf89d111199562fa5f31a1bb76f17bc4831f6da
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Add missing BTI instructions
Problem Details: Some bti instructions were missing from commit b53d4a272349 ("KVM: arm64: Use BTI for nvhe") 1) kvm_host_psci_cpu_entry kvm_host_psci_cpu_entry is called from __kvm_hyp_init_cpu through "br" instruction as __kvm_hyp_init_cpu resides in idmap section while kvm_host_psci_cpu_entry is in hyp .text so the...
```diff diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 8f3f93fa119e..03f97d71984c 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -154,6 +154,12 @@ SYM_CODE_END(\label) esb stp x0, x1, [sp, #-16]! 662: + /* + * spectre vectors __bp_harden_hyp...
635a750d958e158e17af0f524bedc484b27fbb93
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Use amd_pinconf_set() for all config options
Problem Details: On ASUS TUF A16 it is reported that the ITE5570 ACPI device connected to GPIO 7 is causing an interrupt storm. This issue doesn't happen on Windows. Comparing the GPIO register configuration between Windows and Linux bit 20 has been configured as a pull up on Windows, but not on Linux. Checking GPIO ...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 00d5b517b745..c71efd19f139 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -189,18 +189,6 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, return ret; } -static int a...
0d5ace1a07f7e846d0f6d972af60d05515599d0b
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Only use special debounce behavior for GPIO 0
Problem Details: It's uncommon to use debounce on any other pin, but technically we should only set debounce to 0 when working off GPIO0. Cc: stable@vger.kernel.org Tested-by: Jan Visser <starquake@linuxeverywhere.org> Fixes: 968ab9261627 ("pinctrl: amd: Detect internal GPIO0 debounce handling") Signed-off-by: Mario L...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 3c4220be30ec..00d5b517b745 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -128,9 +128,11 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, raw_spin_lock_irqsave(&gpio_de...
26efd79c4624294e553aeaa3439c646729bad084
Analyze and fix the following issue in the Linux kernel code: ftrace: Fix possible warning on checking all pages used in ftrace_process_locs()
Problem Details: As comments in ftrace_process_locs(), there may be NULL pointers in mcount_loc section: > Some architecture linkers will pad between > the different mcount_loc sections of different > object files to satisfy alignments. > Skip any NULL pointers. After commit 20e5227e9f55 ("ftrace: allow NULL point...
```diff diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 3740aca79fe7..05c0024815bf 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3305,6 +3305,22 @@ static int ftrace_allocate_records(struct ftrace_page *pg, int count) return cnt; } +static void ftrace_free_pages(struct ftrace_...
822fb26bdb55932d0635f43cc418d2004b19e358
Analyze and fix the following issue in the Linux kernel code: bpf: Add a hint to allocated objects.
Problem Details: To address OOM issue when one cpu is allocating and another cpu is freeing add a target bpf_mem_cache hint to allocated objects and when local cpu free_llist overflows free to that bpf_mem_cache. The hint addresses the OOM while maintaining the same performance for common case when alloc/free are done ...
```diff diff --git a/kernel/bpf/memalloc.c b/kernel/bpf/memalloc.c index 2615f296f052..9986c6b7df4d 100644 --- a/kernel/bpf/memalloc.c +++ b/kernel/bpf/memalloc.c @@ -99,6 +99,7 @@ struct bpf_mem_cache { int low_watermark, high_watermark, batch; int percpu_size; bool draining; + struct bpf_mem_cache *tgt; /* ...
9de3e81521b4d943c9ec27ae2c871292c12f1409
Analyze and fix the following issue in the Linux kernel code: bpf: Let free_all() return the number of freed elements.
Problem Details: Let free_all() helper return the number of freed elements. It's not used in this patch, but helps in debug/development of bpf_mem_alloc. For example this diff for __free_rcu(): - free_all(llist_del_all(&c->waiting_for_gp_ttrace), !!c->percpu_size); + printk("cpu %d freed %d objs after task...
```diff diff --git a/kernel/bpf/memalloc.c b/kernel/bpf/memalloc.c index b0011217be6c..693651d2648b 100644 --- a/kernel/bpf/memalloc.c +++ b/kernel/bpf/memalloc.c @@ -223,12 +223,16 @@ static void free_one(void *obj, bool percpu) kfree(obj); } -static void free_all(struct llist_node *llnode, bool percpu) +static i...
eb09074bdb05ffd6bfe77f8b4a41b76ef78c997b
Analyze and fix the following issue in the Linux kernel code: Input: i8042 - add quirk for TUXEDO Gemini 17 Gen1/Clevo PD70PN
Problem Details: The touchpad of this device is both connected via PS/2 and i2c. This causes strange behavior when both driver fight for control. The easy fix is to prevent the PS/2 driver from accessing the mouse port as the full feature set of the touchpad is only supported in the i2c interface anyway. The strange b...
```diff diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 028e45bd050b..1724d6cb8649 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -1281,6 +1281,13 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst ...
835a65f51790e1f72b1ab106ec89db9ac15b47d6
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: bring back blit subchannel for pre nv50 GPUs
Problem Details: 1ba6113a90a0 removed a lot of the kernel GPU channel, but method 0x128 was important as otherwise the GPU spams us with `CACHE_ERROR` messages. We use the blit subchannel inside our vblank handling, so we should keep at least this part. v2: Only do it for NV11+ GPUs Closes: https://gitlab.freedeskto...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index e648ecd0c1a0..3dfbc374478e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -90,6 +90,7 @@ nouveau_channel_del(struct nouveau_channel **pchan) if (cli) nou...
938a06c8b7913455073506c33ae3bff029c3c4ef
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/acr: Abort loading ACR if no firmware was found
Problem Details: This fixes a NULL pointer access inside nvkm_acr_oneinit in case necessary firmware files couldn't be loaded. Closes: https://gitlab.freedesktop.org/drm/nouveau/-/issues/212 Fixes: 4b569ded09fd ("drm/nouveau/acr/ga102: initial support") Signed-off-by: Karol Herbst <kherbst@redhat.com> Reviewed-by: Dav...
```diff diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c index 795f3a649b12..9b8ca4e898f9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c @@ -224,7 +224,7 @@ nvkm_acr_oneinit(struct nvkm_subdev *...
df6556adf27b7372cfcd97e1c0afb0d516c8279f
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Correctly handle page aging notifiers for unaligned memslot
Problem Details: Userspace is allowed to select any PAGE_SIZE aligned hva to back guest memory. This is even the case with hugepages, although it is a rather suboptimal configuration as PTE level mappings are used at stage-2. The arm64 page aging handlers have an assumption that the specified range is exactly one page...
```diff diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index 8294a9a7e566..929d355eae0a 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -608,22 +608,26 @@ int kvm_pgtable_stage2_wrprotect(struct kvm_pgtable *pgt, u64 addr, u64 siz...
f72207a5c0dbaaf6921cf9a6c0d2fd0bc249ea78
Analyze and fix the following issue in the Linux kernel code: netdevsim: fix uninitialized data in nsim_dev_trap_fa_cookie_write()
Problem Details: The simple_write_to_buffer() function is designed to handle partial writes. It returns negatives on error, otherwise it returns the number of bytes that were able to be copied. This code doesn't check the return properly. We only know that the first byte is written, the rest of the buffer might be u...
```diff diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 6045bece2654..b4d3b9cde8bd 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -184,13 +184,10 @@ static ssize_t nsim_dev_trap_fa_cookie_write(struct file *file, cookie_len = (count - 1) / 2; if ((count - ...
5b10c18d1bf9238d842db6c8e86cc0066185c391
Analyze and fix the following issue in the Linux kernel code: perf parse-events: Avoid SEGV if PMU lookup fails for legacy cache terms
Problem Details: libfuzzer found the following command could SEGV: $ perf stat -e cpu/L2,L2/ true This is because the L2 term rewrites the perf_event_attr type to PERF_TYPE_HW_CACHE which then fails the PMU lookup for the second legacy cache term. The new failure is consistent with repeated hardware terms: $ pe...
```diff diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 5dcfbf316bf6..acde097e327c 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1216,6 +1216,14 @@ static int config_term_pmu(struct perf_event_attr *attr, if (term->type_term == PARSE_EVENTS__TE...
0b64150c34290df5bf962b3b7e45389b0acb03ae
Analyze and fix the following issue in the Linux kernel code: Input: bcm-keypad - correct dev_err_probe() error
Problem Details: Pass proper PTR_ERR as dev_err_probe() argument. Fixes: a2c795b696b2 ("Input: bcm-keypad - simplify with dev_err_probe()") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/r/202306261505.wTjCXRIO-lkp@intel.com/ Signed-...
```diff diff --git a/drivers/input/keyboard/bcm-keypad.c b/drivers/input/keyboard/bcm-keypad.c index 0aa6ef0da0ee..f3c3746acd4c 100644 --- a/drivers/input/keyboard/bcm-keypad.c +++ b/drivers/input/keyboard/bcm-keypad.c @@ -359,7 +359,7 @@ static int bcm_kp_probe(struct platform_device *pdev) /* Enable clock */ kp->...
f673b4f5bd13365c8bee2f38c9794b635c73a302
Analyze and fix the following issue in the Linux kernel code: block/mq-deadline: Fix a bug in deadline_from_pos()
Problem Details: A bug was introduced in deadline_from_pos() while implementing the suggestion to use round_down() in the following code: pos -= bdev_offset_from_zone_start(rq->q->disk->part0, pos); This patch makes deadline_from_pos() use round_down() such that 'pos' is rounded down. Reported-by: Shin'ichiro Kawas...
```diff diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 6aa5daf7ae32..02a916ba62ee 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -176,7 +176,7 @@ static inline struct request *deadline_from_pos(struct dd_per_prio *per_prio, * zoned writes, start searching from the start of a zone. */ ...
91994e59079dcb455783d3f9ea338eea6f671af3
Analyze and fix the following issue in the Linux kernel code: ARM: dts: BCM5301X: Extend RAM to full 256MB for Linksys EA6500 V2
Problem Details: Linksys ea6500-v2 have 256MB of ram. Currently we only use 128MB. Expand the definition to use all the available RAM. Fixes: 03e96644d7a8 ("ARM: dts: BCM5301X: Add basic DT for Linksys EA6500 V2") Signed-off-by: Aleksey Nasibulin <alealexpro100@ya.ru> Signed-off-by: Christian Marangi <ansuelsmth@gmail...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm4708-linksys-ea6500-v2.dts b/arch/arm/boot/dts/broadcom/bcm4708-linksys-ea6500-v2.dts index f1412ba83def..0454423fe166 100644 --- a/arch/arm/boot/dts/broadcom/bcm4708-linksys-ea6500-v2.dts +++ b/arch/arm/boot/dts/broadcom/bcm4708-linksys-ea6500-v2.dts @@ -19,7 +19,8 @@...
2c0fd6b3d0778ceab40205315ccef74568490f17
Analyze and fix the following issue in the Linux kernel code: ARM: dts: BCM53573: Use updated "spi-gpio" binding properties
Problem Details: Switch away from deprecated properties. This fixes: arch/arm/boot/dts/broadcom/bcm947189acdbmr.dtb: spi: gpio-sck: False schema does not allow [[3, 21, 0]] From schema: Documentation/devicetree/bindings/spi/spi-gpio.yaml arch/arm/boot/dts/broadcom/bcm947189acdbmr.dtb: spi: gpio-miso: False sch...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm947189acdbmr.dts b/arch/arm/boot/dts/broadcom/bcm947189acdbmr.dts index 3709baa2376f..0b8727ae6f16 100644 --- a/arch/arm/boot/dts/broadcom/bcm947189acdbmr.dts +++ b/arch/arm/boot/dts/broadcom/bcm947189acdbmr.dts @@ -60,9 +60,9 @@ spi { compatible = "spi-gpio"; ...
3392ef368d9b04622fe758b1079b512664b6110a
Analyze and fix the following issue in the Linux kernel code: ARM: dts: BCM53573: Add cells sizes to PCIe node
Problem Details: This fixes: arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dtb: pcie@2000: '#address-cells' is a required property From schema: /lib/python3.10/site-packages/dtschema/schemas/pci/pci-bus.yaml arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dtb: pcie@2000: '#size-cells' is a required prop...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm53573.dtsi b/arch/arm/boot/dts/broadcom/bcm53573.dtsi index 3cb71829e859..eed1a6147f0b 100644 --- a/arch/arm/boot/dts/broadcom/bcm53573.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm53573.dtsi @@ -127,6 +127,9 @@ pcie0: pcie@2000 { reg = <0x00002000 0x1000>; + + ...
05d2c3d552b8c92fc397377d9d1112fc58e2cd59
Analyze and fix the following issue in the Linux kernel code: ARM: dts: BCM53573: Drop nonexistent #usb-cells
Problem Details: Such property simply doesn't exist (is not documented or used anywhere). This fixes: arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dtb: usb@d000: Unevaluated properties are not allowed ('#usb-cells' was unexpected) From schema: Documentation/devicetree/bindings/usb/generic-ohci.yaml Sign...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm53573.dtsi b/arch/arm/boot/dts/broadcom/bcm53573.dtsi index 3f03a381db0f..3cb71829e859 100644 --- a/arch/arm/boot/dts/broadcom/bcm53573.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm53573.dtsi @@ -156,8 +156,6 @@ }; ohci: usb@d000 { - #usb-cells = <0>; - c...
be7e1e5b0f67c58ec4be0a54db23b6a4fa6e2116
Analyze and fix the following issue in the Linux kernel code: ARM: dts: BCM53573: Drop nonexistent "default-off" LED trigger
Problem Details: There is no such trigger documented or implemented in Linux. It was a copy & paste mistake. This fixes: arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dtb: leds: led-wlan:linux,default-trigger: 'oneOf' conditional failed, one must be fixed: 'default-off' is not one of ['backlight', 'defaul...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dts b/arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dts index 0734aa249b8e..b9dd50844419 100644 --- a/arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dts +++ b/arch/arm/boot/dts/broadcom/bcm47189-luxul-xap-1440.dts @@ -26,7 +26,6 @@ led-...
81b875892022181d1d8f9a04416403b307b66754
Analyze and fix the following issue in the Linux kernel code: ARM: dts: bcm283x: Increase pwm-cells
Problem Details: The pwm-bcm2835 supports PWM polarity, so adjust the affected dtsi files accordingly and fix the dtbs_check warning: pwm@7e20c000: #pwm-cells:0:0: 3 was expected Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.ker...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi index d30c19311145..4a379a14966d 100644 --- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi @@ -278,7 +278,7 @@ clocks = <&clocks BCM2835_CLOCK_PWM>; assigned-clocks = <...
3450f9f52a39b9b17d81918f57747111383c6294
Analyze and fix the following issue in the Linux kernel code: ARM: dts: bcm2835: adjust DMA node names
Problem Details: After converting the bcm2835-dma DT binding to YAML, the DT schema checks gave warnings like: $nodename:0: 'dma@7e007000' does not match '^dma-controller(@.*)?$' So fix them accordingly. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Link: https://lore.kernel.org/r/20230617133620.53129-4-stef...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi index 097e9f252235..d30c19311145 100644 --- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi @@ -76,7 +76,7 @@ }; }; - dma: dma@7e007000 { + dma: dma-controller@7e0070...
2a28a5cd11a42c16f92a5c1d4d11ea20227a1606
Analyze and fix the following issue in the Linux kernel code: ARM: dts: bcm283x: Fix pinctrl groups
Problem Details: Currently the dtbs_check for bcm2837 generates warnings like this: gpio@7e200000: 'pinctrl-0' is a dependency of 'pinctrl-names' This is caused by the definition of pinctrl-names without matching pinctrl group and vice versa. So defining both at the same place make the dts files easier to review. Si...
```diff diff --git a/arch/arm/boot/dts/broadcom/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/broadcom/bcm2835-rpi-a-plus.dts index 02ce817868ba..069b48272aa5 100644 --- a/arch/arm/boot/dts/broadcom/bcm2835-rpi-a-plus.dts +++ b/arch/arm/boot/dts/broadcom/bcm2835-rpi-a-plus.dts @@ -81,6 +81,7 @@ "SD_DATA2_R", "...
ab2dbc7accedc2e98eb7d8b8878d337e3b36c95d
Analyze and fix the following issue in the Linux kernel code: RISC-V: Don't include Zicsr or Zifencei in I from ACPI
Problem Details: ACPI ISA strings are based on a specification after Zicsr and Zifencei were split out of I, so we shouldn't be treating them as part of I. We haven't release an ACPI-based kernel yet, so we don't need to worry about compatibility with the old ISA strings. Fixes: 07edc32779e3 ("RISC-V: always report p...
```diff diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index bdcf460ea53d..a8f66c015229 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -317,19 +317,14 @@ void __init riscv_fill_hwcap(void) #undef SET_ISA_EXT_MAP } - /* - * Linux requires the fo...
f84d41b2a083b990cbdf70f3b24b6b108b9678ad
Analyze and fix the following issue in the Linux kernel code: soundwire: qcom: update status correctly with mask
Problem Details: SoundWire device status can be incorrectly updated without proper mask, fix this by adding a mask before updating the status. Fixes: c7d49c76d1d5 ("soundwire: qcom: add support to new interrupts") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20230...
```diff diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 7970fdb27ba0..c029e4d53573 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -540,7 +540,7 @@ static int qcom_swrm_get_alert_slave_dev_num(struct qcom_swrm_ctrl *ctrl) status = (val >> (dev_num * SWRM_MCP_SLV_STATUS_...
c40d6b3249b11d60e09d81530588f56233d9aa44
Analyze and fix the following issue in the Linux kernel code: soundwire: fix enumeration completion
Problem Details: The soundwire subsystem uses two completion structures that allow drivers to wait for soundwire device to become enumerated on the bus and initialised by their drivers, respectively. The code implementing the signalling is currently broken as it does not signal all current and future waiters and also ...
```diff diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index dba920ec88f6..cf78839b3f74 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -922,8 +922,8 @@ static void sdw_modify_slave_status(struct sdw_slave *slave, "initializing enumeration and init completion for Slave %d\n", ...
f79b812baf21366fae975b29f671258fb38d643b
Analyze and fix the following issue in the Linux kernel code: phy/rockchip: inno-hdmi: force set_rate on power_on
Problem Details: Regular 8-bit and Deep Color video formats mainly differ in TMDS rate and not in pixel clock rate. When the hdmiphy clock is configured with the same pixel clock rate using clk_set_rate() the clock framework do not signal the hdmi phy driver to set_rate when switching between 8-bit and Deep Color. This...
```diff diff --git a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c index fe7fa9a43ec0..a1fb39af6493 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c @@ -245,6 +245,7 @@ struct inno_hdmi_phy { struct clk_hw hw...
19a1d46bd699940a496d3b0d4e142ef99834988c
Analyze and fix the following issue in the Linux kernel code: phy/rockchip: inno-hdmi: do not power on rk3328 post pll on reg write
Problem Details: inno_write is used to configure 0xaa reg, that also hold the POST_PLL_POWER_DOWN bit. When POST_PLL_REFCLK_SEL_TMDS is configured the power down bit is not taken into consideration. Fix this by keeping the power down bit until configuration is complete. Also reorder the reg write order for consistency...
```diff diff --git a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c index f027e0a2e26b..fe7fa9a43ec0 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c @@ -1020,9 +1020,10 @@ inno_hdmi_phy_rk3328_power_on(struct i...