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1798db0e623643dca5218056d419a7fa0f96bfd2
Analyze and fix the following issue in the Linux kernel code: arm64: tegra: Add missing cache properties on Tegra210
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified property to fix warnings like: tegra210-p2371-0000.dtb: l2-cache: 'cache-unified' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Thierry Reding <treding@nvidia.com>
```diff diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 0e463b3cbe01..617583ff2736 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -2000,6 +2000,7 @@ L2: l2-cache { compatible = "cache"; cache-level...
ea2b62f305893992156a798f665847e0663c9f41
Analyze and fix the following issue in the Linux kernel code: fs/sysv: Null check to prevent null-ptr-deref bug
Problem Details: sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug. Reported-by: syzbot+aad58150cbc64ba41bdc@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=aad58150cbc64ba41bdc Signed-off-by: Prince Kumar Maurya <princekumarmaurya06@gmai...
```diff diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index b22764fe669c..58d7f43a1371 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -145,6 +145,10 @@ static int alloc_branch(struct inode *inode, */ parent = block_to_cpu(SYSV_SB(inode->i_sb), branch[n-1].key); bh = sb_getblk(inode->i_sb, parent); + ...
54df4868fb728bebbb0fb7c3f187eba383e922b5
Analyze and fix the following issue in the Linux kernel code: dt-bindings: samsung,mipi-dsim: Use port-base reference
Problem Details: Use port-base reference for port@1. This fixes the following schema warning: imx8mp-dhcom-pdk3.dtb: dsi@32e60000: ports:port@1:endpoint: Unevaluated properties are not allowed ('data-lanes' was unexpected) From schema: Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml Fixes: 1f...
```diff diff --git a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml index 06b6c44d4641..4ed7a799ba26 100644 --- a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml +++ b/Documentation/devicetree/bind...
62fe398761cd06a428e6f367aba84732a2f1c268
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Clear out entire reports after reading if not power of 2 size
Problem Details: Clearing out report id and timestamp as means to detect unlanded reports only works if report size is power of 2. That is, only when report size is a sub-multiple of the OA buffer size can we be certain that reports will land at the same place each time in the OA buffer (after rewind). If report size i...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 050b8ae7b8e7..3035cba2c6a2 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -877,12 +877,17 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream, stream->oa_buffer.la...
243ff7e6a03533fd5f34036b4a2c297d844ffdc0
Analyze and fix the following issue in the Linux kernel code: usb: typec: mux: fix static inline syntax error
Problem Details: Fix build error when USB_SUPPORT is not set or TYPEC is not set by dropping an extraneous semi-colon: In file included from ../drivers/phy/qualcomm/phy-qcom-qmp-combo.c:23: ../include/linux/usb/typec_mux.h:77:1: error: expected identifier or '(' before '{' token 77 | { | ^ ../include/linux/us...
```diff diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h index 11bfa314529f..2489a7857d8e 100644 --- a/include/linux/usb/typec_mux.h +++ b/include/linux/usb/typec_mux.h @@ -73,7 +73,7 @@ void *typec_mux_get_drvdata(struct typec_mux_dev *mux); #else -static inline struct typec_mux *fwnode_...
622ab656344a288acf4fb03d628c3bb5dd241f34
Analyze and fix the following issue in the Linux kernel code: sfc: fix error unwinds in TC offload
Problem Details: Failure ladders weren't exactly unwinding what the function had done up to that point; most seriously, when we encountered an already offloaded rule, the failure path tried to remove the new rule from the hashtable, which would in fact remove the already-present 'old' rule (since it has the same ke...
```diff diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c index 0327639a628a..c004443c1d58 100644 --- a/drivers/net/ethernet/sfc/tc.c +++ b/drivers/net/ethernet/sfc/tc.c @@ -624,13 +624,12 @@ static int efx_tc_flower_replace_foreign(struct efx_nic *efx, if (!found) { /* We don't care. */ n...
bbfa4b58997e3d38ba629c9f6fc0bd1c163aaf43
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Read embedded cpu after init bit cleared
Problem Details: During driver load it reads embedded_cpu bit from initialization segment, but the initialization segment is readable only after initialization bit is cleared. Move the call to mlx5_read_embedded_cpu() right after initialization bit cleared. Signed-off-by: Moshe Shemesh <moshe@nvidia.com> Fixes: 59190...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 2132a6510639..d6ee016deae1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -923,7 +923,6 @@ static int mlx5_pci_init(struct mlx5_...
b6193d7030e3c59f1d4c75648c9c8fa40cad2bcd
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix error handling in mlx5e_refresh_tirs
Problem Details: Allocation failure is outside the critical lock section and should return immediately rather than jumping to the unlock section. Also unlock as soon as required and remove the now redundant jump label. Fixes: 80a2a9026b24 ("net/mlx5e: Add a lock on tir list") Signed-off-by: Saeed Mahameed <saeedm@nvi...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c index 1f90594499c6..41c396e76457 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c @@ -150,10 +150,8 @@ int mlx5e_refres...
368591995d010e639ad8f28b27f1b721f0872342
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Ensure af_desc.mask is properly initialized
Problem Details: [ 9.837087] mlx5_core 0000:02:00.0: firmware version: 16.35.2000 [ 9.843126] mlx5_core 0000:02:00.0: 126.016 Gb/s available PCIe bandwidth (8.0 GT/s PCIe x16 link) [ 10.311515] mlx5_core 0000:02:00.0: Rate limit: 127 rates are supported, range: 0Mbps to 97656Mbps [ 10.321948] mlx5_core 0000:0...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 38edd485ba6f..843da89a9035 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -571,11 +571,11 @@ int mlx5_irqs_request_v...
8764bd0fa5d402c51b136f6aeaba20fc16961ba1
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix setting of irq->map.index for static IRQ case
Problem Details: When dynamic IRQ allocation is not supported all IRQs are allocated up front in mlx5_irq_table_create() instead of dynamically as part of mlx5_irq_alloc(). In the latter dynamic case irq->map.index is set via the mapping returned by pci_msix_alloc_irq_at(). In the static case and prior to commit 1da438...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 86ac4a85fd87..38edd485ba6f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -232,12 +232,13 @@ struct mlx5_irq *mlx5_i...
1c4c769cdf682c63d3b10cb241f4a96ebad2f215
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Remove rmap also in case dynamic MSIX not supported
Problem Details: mlx5 add IRQs to rmap upon MSIX request, and mlx5 remove rmap from MSIX only if msi_map.index is populated. However, msi_map.index is populated only when dynamic MSIX is supported. This results in freeing IRQs without removing them from rmap, which triggers the bellow WARN_ON[1]. rmap is a feature whi...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index db5687d9fec9..86ac4a85fd87 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -141,7 +141,7 @@ static void irq_release(s...
549e91a9bbaa0ee480f59357868421a61d369770
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix handling of lrbp->cmd
Problem Details: ufshcd_queuecommand() may be called two times in a row for a SCSI command before it is completed. Hence make the following changes: - In the functions that submit a command, do not check the old value of lrbp->cmd nor clear lrbp->cmd in error paths. - In ufshcd_release_scsi_cmd(), do not clear l...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index ff92e53835df..55c58bfd7f5d 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2945,7 +2945,6 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) (hba->clk_gating.state != CLKS_ON)); ...
fe8637f7708c16765ecf4035813efbfdd2c9be10
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Increase the START STOP UNIT timeout from one to ten seconds
Problem Details: One UFS vendor asked to increase the UFS timeout from 1 s to 3 s. Another UFS vendor asked to increase the UFS timeout from 1 s to 10 s. Hence this patch that increases the UFS timeout to 10 s. This patch can cause the total timeout to exceed 20 s, the Android shutdown timeout. This is fine since th...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 17d7bb875fee..ff92e53835df 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -9184,7 +9184,8 @@ static int ufshcd_execute_start_stop(struct scsi_device *sdev, }; return scsi_execute_cmd(sdev, cdb, REQ_OP_DRV_I...
f762326b2baa86ae647e2ba6832bc87e238f68ad
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Propagate sense data for admin queue SCSI I/O
Problem Details: Copy the sense data to internal driver buffer when the firmware completes any SCSI I/O command sent through admin queue with sense data for further use. Fixes: 506bc1a0d6ba ("scsi: mpi3mr: Add support for MPT commands") Cc: <stable@vger.kernel.org> Signed-off-by: Sathya Prakash <sathya.prakash@broadco...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 9b56d13821c6..5fa07d6ee5b8 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -402,6 +402,11 @@ static void mpi3mr_process_admin_reply_desc(struct mpi3mr_ioc *mrioc, memcpy((u8 *)cmdptr->...
14ce2c261d6cce89023a1df770d83df859e89f7e
Analyze and fix the following issue in the Linux kernel code: scsi: fnic: Use vzalloc()
Problem Details: Use vzalloc() instead of hand writing it with vmalloc()+memset(). This is less verbose. This also fixes some style issues :) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/a1179941a6d440140513e681f4f3a1b92c8d83ae.1685210773.git.christophe.jaillet@wa...
```diff diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index 6fedc3b7d1ab..c4d9ed0d7d75 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -201,25 +201,21 @@ static int fnic_trace_debugfs_open(struct inode *inode, return -ENOMEM; if (*rdata_p...
6e8a669e61af80d69d5ee16e0ddf3160178a63bc
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix incorrect big endian type assignments in FDMI and VMID paths
Problem Details: The kernel test robot reported sparse warnings regarding the improper usage of beXX_to_cpu() macros. Change the flagged FDMI and VMID member variables to __beXX and redo the beXX_to_cpu() macros appropriately. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore.kernel.org/r/2023053...
```diff diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index e880d127d7f5..321806cefede 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -287,7 +287,7 @@ lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq) u32 ulp_status = get_job_ulpstatus(phb...
9914a3d033d3e1d836a43e93e9738e7dd44a096a
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Revise NPIV ELS unsol rcv cmpl logic to drop ndlp based on nlp_state
Problem Details: When NPIV ports are zoned to devices that support both initiator and target mode, a remote device's initiated PRLI results in unintended final kref clean up of the device's ndlp structure. This disrupts NPIV ports' discovery for target devices that support both initiator and target mode. Modify the N...
```diff diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index a3c8550e9985..2bad9954c355 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -5452,9 +5452,19 @@ out: ndlp->nlp_flag &= ~NLP_RELEASE_RPI; spin_unlock_irq(&ndlp->lock); } + lpfc_drop_node(...
a4157aaf0fb458c867b76f6cd63cb57fa91da318
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix use-after-free rport memory access in lpfc_register_remote_port()
Problem Details: Due to a target port D_ID swap, it is possible for the lpfc_register_remote_port() routine to touch post mortem fc_rport memory when trying to access fc_rport->dd_data. The D_ID swap causes a simultaneous call to lpfc_unregister_remote_port(), where fc_remote_port_delete() reclaims fc_rport memory. R...
```diff diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 67bfdddb897c..63e42e3f2165 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4498,14 +4498,6 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) if (vpor...
2516cb882295694623811f2a1b2d33aa5fc9139c
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/ufs/core/ufs-fault-injection.c b/drivers/ufs/core/ufs-fault-injection.c index 7ac7c4e7ff83..5b1184aac585 100644 --- a/drivers/ufs/core/ufs-fault-injection.c +++ b/drivers/ufs/core/ufs-fault-injection.c @@ -54,7 +54,7 @@ static int ufs_fault_set(const char *val, const struct kernel_param *kp...
41e5d6f64d76435b4fd6856ddddb8e7c62087333
Analyze and fix the following issue in the Linux kernel code: scsi: smartpqi: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 3669affd114b..772346f7c4a2 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -6841,7 +6841,7 @@ static ssize_t pqi_lockup_action_store(struct device *dev, char *acti...
af0ce90200c93203f042814c5c6e795a9110d5f7
Analyze and fix the following issue in the Linux kernel code: scsi: sym53c8xx: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index ee36a9c15d9c..17491ba10439 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -1286,7 +1286,7 @@ static struct Scsi_Host *sym_attach(const struct scsi_host_template *tpnt, int ...
dbe37c71d1246ec2c5f851aeede12db44ffd5d2c
Analyze and fix the following issue in the Linux kernel code: scsi: message: fusion: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 4f0afce8428d..4bf669c55649 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -712,7 +712,7 @@ mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name) MptDriverClas...
4dae0262fb990873adad012dc8338f99cbca8574
Analyze and fix the following issue in the Linux kernel code: scsi: libfcoe: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index 46b0bf237be1..a48d24af9ac3 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -711,7 +711,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer) char ifname[IFNAMSI...
73be26b12dfd209e136da01dd7eefc85adc4df8d
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 67bfdddb897c..6d9868ab33e2 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4836,7 +4836,7 @@ lpfc_nlp_state_name(char *buffer, size_t size, int state) }; if (state < NLP_STE_MAX_...
e490d60a2f76bff636c68ce4fe34c1b6c34bbd86
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: resolve reboot exception for si oland
Problem Details: During reboot test on arm64 platform, it may failure on boot. The error message are as follows: [ 1.706570][ 3] [ T273] [drm:si_thermal_enable_alert [amdgpu]] *ERROR* Could not enable thermal interrupts. [ 1.716547][ 3] [ T273] [drm:amdgpu_device_ip_late_init [amdgpu]] *ERROR* late_init of IP ...
```diff diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c index d6d9e3b1b2c0..02e69ccff3ba 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c @@ -6925,23 +6925,6 @@ static int si_dpm_enable(struct amdgpu_device *ade...
bc3e1d60f933f823599376f830eb99451afb995a
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add RAS POISON interrupt funcs for jpeg_v4_0
Problem Details: Add ras_poison_irq and functions. And fix the amdgpu_irq_put call trace in jpeg_v4_0_hw_fini. [ 50.497562] RIP: 0010:amdgpu_irq_put+0xa4/0xc0 [amdgpu] [ 50.497619] RSP: 0018:ffffaa2400fcfcb0 EFLAGS: 00010246 [ 50.497620] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.49...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c index 77e1e64aa1d1..a3d83c9f2c9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c @@ -87,13 +87,13 @@ static int jpeg_v4_0_sw_init(void *handle) /* JPEG DJPEG POISON E...
020c76d983151f6f6c9493a3bbe83c1ec927617a
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add RAS POISON interrupt funcs for vcn_v4_0
Problem Details: Add ras_poison_irq and functions. And fix the amdgpu_irq_put call trace in vcn_v4_0_hw_fini. [ 44.563572] RIP: 0010:amdgpu_irq_put+0xa4/0xc0 [amdgpu] [ 44.563629] RSP: 0018:ffffb36740edfc90 EFLAGS: 00010246 [ 44.563630] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.563...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c index bf0674039598..e5fd1e00914d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c @@ -139,7 +139,7 @@ static int vcn_v4_0_sw_init(void *handle) /* VCN POISON TRAP */ r...
09d199b6dcb6bd94a1f00cfbfa1ee7d3841444b0
Analyze and fix the following issue in the Linux kernel code: ARM: dts: axp209: Add iio-hwmon node for internal temperature
Problem Details: This adds a DT node to hook up the internal temperature ADC to the iio-hwmon driver. The various voltage + current ADCs are consumed and exposed by their respective drivers, but this is not and is always available. Naming chosen to match the axp20x_ prefix the power sensors use. Signed-off-by: Jonatha...
```diff diff --git a/arch/arm/boot/dts/axp209.dtsi b/arch/arm/boot/dts/axp209.dtsi index ca240cd6f6c3..469d0f7d5185 100644 --- a/arch/arm/boot/dts/axp209.dtsi +++ b/arch/arm/boot/dts/axp209.dtsi @@ -48,6 +48,13 @@ * http://dl.linux-sunxi.org/AXP/AXP209%20Datasheet%20v1.0_cn.pdf */ +/ { + pmic-temp { + compatible...
21912a653d7dc9b79f3b7e9884179d7b7d593448
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Allow dumping per-vcpu info for uffd threads
Problem Details: There's one PER_VCPU_DEBUG in per-vcpu uffd threads but it's never hit. Trigger that when quit in normal ways (kick pollfd[1]), meanwhile fix the number of nanosec calculation. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: James Houghton <jthoughton@google.com> Link: https://lore.kernel.or...
```diff diff --git a/tools/testing/selftests/kvm/lib/userfaultfd_util.c b/tools/testing/selftests/kvm/lib/userfaultfd_util.c index 92cef20902f1..271f63891581 100644 --- a/tools/testing/selftests/kvm/lib/userfaultfd_util.c +++ b/tools/testing/selftests/kvm/lib/userfaultfd_util.c @@ -70,7 +70,7 @@ static void *uffd_handl...
ba125de35da5184c5325bef5c4c89f6928ce8875
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Setup vcpu_alias only for minor mode test
Problem Details: This fixes two things: - Unbreaks MISSING mode test on anonymous memory type - Prefault alias mem before uffd thread creations, otherwise the uffd thread timing will be inaccurate when guest mem size is large, because it'll take prefault time into total time. Signed-off-by: Peter Xu <peterx@redh...
```diff diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c index 2439c4043fed..9c18686b4f63 100644 --- a/tools/testing/selftests/kvm/demand_paging_test.c +++ b/tools/testing/selftests/kvm/demand_paging_test.c @@ -128,6 +128,7 @@ static void prefault_mem(void...
c14fb01c4629b96b64ab54caea7e543a0239f14e
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amd/display: Block optimize on consecutive FAMS enables"
Problem Details: This reverts commit ce560ac40272a5c8b5b68a9d63a75edd9e66aed2. It depends on its parent commit, which we want to revert. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <mdaenzer@redhat.com> [Hamza: fix a whitespace issue in dcn30_prepare_bandwidth()] Signed-off-by: Ham...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 422fbf79da64..6ce10fd4bb1a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -2117,9 +2117,6 @@ void dcn20_optimize...
09a36015d9a0940214c080f95afc605c47648bbd
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Clear out entire reports after reading if not power of 2 size
Problem Details: Clearing out report id and timestamp as means to detect unlanded reports only works if report size is power of 2. That is, only when report size is a sub-multiple of the OA buffer size can we be certain that reports will land at the same place each time in the OA buffer (after rewind). If report size i...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 19d5652300ee..58284156428d 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -877,12 +877,17 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream, stream->oa_buffer.la...
c26fabe73330d983c7ce822c6b6ec0879b4da61f
Analyze and fix the following issue in the Linux kernel code: drivers: base: cacheinfo: Update cpu_map_populated during CPU Hotplug
Problem Details: Until commit 5c2712387d48 ("cacheinfo: Fix LLC is not exported through sysfs"), cacheinfo called populate_cache_leaves() for CPU coming online which let the arch specific functions handle (at least on x86) populating the shared_cpu_map. However, with the changes in the aforementioned commit, populate_c...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index d1ae443fd7a0..cbae8be1fe52 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -410,11 +410,14 @@ static int cache_shared_cpu_map_setup(unsigned int cpu) coherency_max_size = this_leaf->coherency_line_size; } + /*...
126310c9f669c9a8c875a3e5c2292299ca90225d
Analyze and fix the following issue in the Linux kernel code: drivers: base: cacheinfo: Fix shared_cpu_map changes in event of CPU hotplug
Problem Details: While building the shared_cpu_map, check if the cache level and cache type matches. On certain systems that build the cache topology based on the instance ID, there are cases where the same ID may repeat across multiple cache levels, leading inaccurate topology. In event of CPU offlining, the cache_sh...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index bba3482ddeb8..d1ae443fd7a0 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -388,6 +388,16 @@ static int cache_shared_cpu_map_setup(unsigned int cpu) continue;/* skip if itself or no cacheinfo */ for (sib_inde...
48e156023059e57a8fc68b498439832f7600ffff
Analyze and fix the following issue in the Linux kernel code: test_firmware: fix the memory leak of the allocated firmware buffer
Problem Details: The following kernel memory leak was noticed after running tools/testing/selftests/firmware/fw_run_tests.sh: [root@pc-mtodorov firmware]# cat /sys/kernel/debug/kmemleak . . . unreferenced object 0xffff955389bc3400 (size 1024): comm "test_firmware-0", pid 5451, jiffies 4294944822 (age 65.652s) hex ...
```diff diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 91b232ed3161..1d7d480b8eeb 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -45,6 +45,7 @@ struct test_batched_req { bool sent; const struct firmware *fw; const char *name; + const char *fw_buf; struct completion completion; str...
be37bed754ed90b2655382f93f9724b3c1aae847
Analyze and fix the following issue in the Linux kernel code: test_firmware: fix a memory leak with reqs buffer
Problem Details: Dan Carpenter spotted that test_fw_config->reqs will be leaked if trigger_batched_requests_store() is called two or more times. The same appears with trigger_batched_requests_async_store(). This bug wasn't trigger by the tests, but observed by Dan's visual inspection of the code. The recommended work...
```diff diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 35417e0af3f4..91b232ed3161 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -913,6 +913,11 @@ static ssize_t trigger_batched_requests_store(struct device *dev, mutex_lock(&test_fw_mutex); + if (test_fw_config->reqs) { + rc = -EBUSY...
4acfe3dfde685a5a9eaec5555351918e2d7266a1
Analyze and fix the following issue in the Linux kernel code: test_firmware: prevent race conditions by a correct implementation of locking
Problem Details: Dan Carpenter spotted a race condition in a couple of situations like these in the test_firmware driver: static int test_dev_config_update_u8(const char *buf, size_t size, u8 *cfg) { u8 val; int ret; ret = kstrtou8(buf, 10, &val); if (ret) return ret; ...
```diff diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 05ed84c2fc4c..35417e0af3f4 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -353,16 +353,26 @@ static ssize_t config_test_show_str(char *dst, return len; } -static int test_dev_config_update_bool(const char *buf, size_t size, +static...
ffa28312e2837ae788855840e126fa6f8a1ac35d
Analyze and fix the following issue in the Linux kernel code: firmware_loader: Fix a NULL vs IS_ERR() check
Problem Details: The crypto_alloc_shash() function doesn't return NULL, it returns error pointers. Update the check accordingly. Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Cezary Rojewski <cezary.rojewski@in...
```diff diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 9d79d5ad9102..b58c42f1b1ce 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -812,7 +812,7 @@ static void fw_log_firmware_info(const struct firmware *fw, const char *name, st ...
b290df06811852d4cc36f4b8a2a30c2063197a74
Analyze and fix the following issue in the Linux kernel code: lkdtm: replace ll_rw_block with submit_bh
Problem Details: Function ll_rw_block was removed in commit 79f597842069 ("fs/buffer: remove ll_rw_block() helper"). There is no unified function to sumbit read or write buffer in block layer for now. Consider similar sematics, we can choose submit_bh() to replace ll_rw_block() as predefined crash point. In submit_bh()...
```diff diff --git a/Documentation/fault-injection/provoke-crashes.rst b/Documentation/fault-injection/provoke-crashes.rst index 3abe84225613..1f087e502ca6 100644 --- a/Documentation/fault-injection/provoke-crashes.rst +++ b/Documentation/fault-injection/provoke-crashes.rst @@ -29,7 +29,7 @@ recur_count cpoint_name ...
cd00bc2ca42705bf141a2bf6fb5224c7ae628dbe
Analyze and fix the following issue in the Linux kernel code: driver core: device.h: add some missing kerneldocs
Problem Details: struct device_attribute, struct dev_ext_attribute, dev_name(), and the DEVICE_ATTR() macros lack kerneldocs, preventing them from appearing in the driver core documentation and from being cross-referenced elsewhere. Add the missing kerneldocs (except for DEVICE_ATTR_IGNORE_LOCKDEP(), which is only mea...
```diff diff --git a/include/linux/device.h b/include/linux/device.h index 58f4f5948edb..66c13965153d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -96,7 +96,12 @@ struct device_type { const struct dev_pm_ops *pm; }; -/* interface for exporting device attributes */ +/** + * struct device_attr...
8fe72b76db79d694858e872370df49676bc3be8c
Analyze and fix the following issue in the Linux kernel code: mailbox: mailbox-test: fix a locking issue in mbox_test_message_write()
Problem Details: There was a bug where this code forgot to unlock the tdev->mutex if the kzalloc() failed. Fix this issue, by moving the allocation outside the lock. Fixes: 2d1e952a2b8e ("mailbox: mailbox-test: Fix potential double-free in mbox_test_message_write()") Signed-off-by: Dan Carpenter <dan.carpenter@linaro...
```diff diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index c4a705c30331..fc6a12a51b40 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -98,6 +98,7 @@ static ssize_t mbox_test_message_write(struct file *filp, size_t count, loff_t *ppos) { ...
30480b988f88c279752f3202a26b6fee5f586aef
Analyze and fix the following issue in the Linux kernel code: kernfs: fix missing kernfs_idr_lock to remove an ID from the IDR
Problem Details: The root->ino_idr is supposed to be protected by kernfs_idr_lock, fix it. Fixes: 488dee96bb62 ("kernfs: allow creating kernfs objects with arbitrary uid/gid") Signed-off-by: Muchun Song <songmuchun@bytedance.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230523024017.24851-...
```diff diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index 45b6919903e6..5a1a4af9d3d2 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -655,7 +655,9 @@ static struct kernfs_node *__kernfs_new_node(struct kernfs_root *root, return kn; err_out3: + spin_lock(&kernfs_idr_lock); idr_remove(&root->ino_idr, (u3...
54aa5b6044f89af046bcb7a9d0ca6408c0ebdd1f
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: add entry for auxiliary bus
Problem Details: When auxiliary bus was added to the kernel the MAINTAINERS file wasn't updated with a mention of the files, contributors and reviewers. Fix that oversight by adding Dave and Ira, with GregKH as (same as current) owner. CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jesse Brandeburg...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 250518fc70ff..d2867c94a22e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3383,6 +3383,16 @@ F: include/uapi/linux/audit.h F: kernel/audit* F: lib/*audit.c +AUXILIARY BUS DRIVER +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +R: Dave Ertman <david.m.ertman@i...
df1b056d489d98c7c45fa89627102dd34b44496f
Analyze and fix the following issue in the Linux kernel code: uacce: use q->mapping to replace inode->i_mapping
Problem Details: The inode can be different in a container, for example, a docker and host both open the same uacce parent device, which uses the same uacce struct but different inode, so uacce->inode is not enough. What's worse, when docker stops, the inode will be destroyed as well, causing use-after-free in uacce_r...
```diff diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c index 346bd7cf2e94..338b59ef5493 100644 --- a/drivers/misc/uacce/uacce.c +++ b/drivers/misc/uacce/uacce.c @@ -166,8 +166,8 @@ static int uacce_fops_open(struct inode *inode, struct file *filep) init_waitqueue_head(&q->wait); filep->priva...
2aa5ac633259843f656eb6ecff4cf01e8e810c5e
Analyze and fix the following issue in the Linux kernel code: PCI: Add pci_clear_master() stub for non-CONFIG_PCI
Problem Details: Add a pci_clear_master() stub when CONFIG_PCI is not set so drivers that support both PCI and platform devices don't need #ifdefs or extra Kconfig symbols for the PCI parts. [bhelgaas: commit log] Fixes: 6a479079c072 ("PCI: Add pci_clear_master() as opposite of pci_set_master()") Link: https://lore.ke...
```diff diff --git a/include/linux/pci.h b/include/linux/pci.h index 60b8772b5bd4..c69a2cc1f412 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1903,6 +1903,7 @@ static inline int pci_dev_present(const struct pci_device_id *ids) #define pci_dev_put(dev) do { } while (0) static inline void pci_set_mas...
52b7bb46ae79fb6ff0fd806e22f5b4f5c66b71f0
Analyze and fix the following issue in the Linux kernel code: rust: macros: replace Self with the concrete type in #[pin_data]
Problem Details: When using `#[pin_data]` on a struct that used `Self` in the field types, a type error would be emitted when trying to use `pin_init!`. Since an internal type would be referenced by `Self` instead of the defined struct. This patch fixes this issue by replacing all occurrences of `Self` in the `#[pin_d...
```diff diff --git a/rust/macros/pin_data.rs b/rust/macros/pin_data.rs index c593b05d9e8c..6d58cfda9872 100644 --- a/rust/macros/pin_data.rs +++ b/rust/macros/pin_data.rs @@ -1,7 +1,7 @@ // SPDX-License-Identifier: Apache-2.0 OR MIT use crate::helpers::{parse_generics, Generics}; -use proc_macro::TokenStream; +use ...
b8342addded0099610902775617917fdee6edde8
Analyze and fix the following issue in the Linux kernel code: rust: macros: fix usage of `#[allow]` in `quote!`
Problem Details: When using `quote!` as part of an expression that was not the last one in a function, the `#[allow(clippy::vec_init_then_push)]` attribute would be present on an expression, which is not allowed. This patch refactors that part of the macro to use a statement instead. Signed-off-by: Benno Lossin <benno...
```diff diff --git a/rust/macros/quote.rs b/rust/macros/quote.rs index c8e08b3c1e4c..dddbb4e6f4cb 100644 --- a/rust/macros/quote.rs +++ b/rust/macros/quote.rs @@ -39,12 +39,14 @@ impl ToTokens for TokenStream { /// [`quote_spanned!`](https://docs.rs/quote/latest/quote/macro.quote_spanned.html) macro from the /// `quo...
89827568a82d5856f3c8d329d3c2bc0f47385eb9
Analyze and fix the following issue in the Linux kernel code: x86/platform/uv: Remove remaining BUG_ON() and BUG() calls
Problem Details: Replace BUG and BUG_ON with WARN_ON_ONCE and carry on as best as we can. Signed-off-by: Steve Wahl <steve.wahl@hpe.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lore.kernel.org/all/20230519190752.3297140-8-steve.wahl%40hpe.com
```diff diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 10d3bdf874a0..1836330ff7b3 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -617,7 +617,8 @@ static __init void build_uv_gr_table(void) bytes = _gr_table_len * sizeof(struct ...
8a50c58519271dd24ba760bb282875f6ad66ee71
Analyze and fix the following issue in the Linux kernel code: x86/platform/uv: UV support for sub-NUMA clustering
Problem Details: Sub-NUMA clustering (SNC) invalidates previous assumptions of a 1:1 relationship between blades, sockets, and nodes. Fix these assumptions and build tables correctly when SNC is enabled. Signed-off-by: Steve Wahl <steve.wahl@hpe.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Link: http...
```diff diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 0acfd1734c8b..5fa76c2ced51 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -177,6 +177,7 @@ struct uv_hub_info_s { unsigned short nr_possible_cpus; unsigned short nr_online_cpus; ...
e4860f03779cadff011a7a8685c7157ebc133bda
Analyze and fix the following issue in the Linux kernel code: x86/platform/uv: Fix printed information in calc_mmioh_map
Problem Details: Fix incorrect mask names and values in calc_mmioh_map() that caused it to print wrong NASID information. And an unused blade position is not an error condition, but will yield an invalid NASID value, so change the invalid NASID message from an error to a debug message. Signed-off-by: Steve Wahl <steve...
```diff diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 482855227964..6d2739eadb71 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -1022,7 +1022,7 @@ static void __init calc_mmioh_map(enum mmioh_arch index, switch (index) { case ...
fd27bea340012412a5ad1476b0a40381d7407550
Analyze and fix the following issue in the Linux kernel code: x86/platform/uv: Add platform resolving #defines for misc GAM_MMIOH_REDIRECT*
Problem Details: Upcoming changes will require use of new #defines UVH_RH_GAM_MMIOH_REDIRECT_CONFIG0_NASID_MASK and UVH_RH_GAM_MMIOH_REDIRECT_CONFIG1_NASID_MASK, which provide the appropriate values on different uv platforms. Also, fix typo that defined a couple of "*_CONFIG0_*" values twice where "*_CONFIG1_*" was in...
```diff diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h index 57fa67373262..bb45812889dd 100644 --- a/arch/x86/include/asm/uv/uv_mmrs.h +++ b/arch/x86/include/asm/uv/uv_mmrs.h @@ -4199,6 +4199,13 @@ union uvh_rh_gam_mmioh_overlay_config1_u { #define UV3H_RH_GAM_MMIOH_REDIRECT_CONFIG0...
856303797724d28f1d65b702f0eadcee1ea7abf5
Analyze and fix the following issue in the Linux kernel code: nvme: fix the name of Zone Append for verbose logging
Problem Details: No Management involved in Zone Appened. Fixes: bd83fe6f2cd2 ("nvme: add verbose error logging") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alan Adamson <alan.adamson@oracle.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
```diff diff --git a/drivers/nvme/host/constants.c b/drivers/nvme/host/constants.c index bc523ca02254..5e4f8848dce0 100644 --- a/drivers/nvme/host/constants.c +++ b/drivers/nvme/host/constants.c @@ -21,7 +21,7 @@ static const char * const nvme_ops[] = { [nvme_cmd_resv_release] = "Reservation Release", [nvme_cmd_zon...
7b1a78babd0d2cd27aa07255dee0c2d7ac0f31e3
Analyze and fix the following issue in the Linux kernel code: soc/fsl/qe: fix usb.c build errors
Problem Details: Fix build errors in soc/fsl/qe/usb.c when QUICC_ENGINE is not set. This happens when PPC_EP88XC is set, which selects CPM1 & CPM. When CPM is set, USB_FSL_QE can be set without QUICC_ENGINE being set. When USB_FSL_QE is set, QE_USB deafults to y, which causes build errors when QUICC_ENGINE is not set. ...
```diff diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig index 7268c2fbcbc1..160c8877b0c9 100644 --- a/drivers/soc/fsl/qe/Kconfig +++ b/drivers/soc/fsl/qe/Kconfig @@ -62,6 +62,7 @@ config QE_TDM config QE_USB bool + depends on QUICC_ENGINE default y if USB_FSL_QE help QE USB Controller ...
4b68b7f9c46d90c541d39c8b397a86ac0ca4c765
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: Declare ufshcd_{hold,release}() once
Problem Details: ufshcd_hold() and ufshcd_release are declared twice: once in drivers/ufs/core/ufshcd-priv.h and a second time in include/ufs/ufshcd.h. Remove the declarations from ufshcd-priv.h. Fixes: dd11376b9f1b ("scsi: ufs: Split the drivers/scsi/ufs directory") Signed-off-by: Bart Van Assche <bvanassche@acm.org>...
```diff diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index d53b93c21a0c..8f58c2169398 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -84,9 +84,6 @@ unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba, int ufshcd_read_string_desc(struct ufs_hba...
6d074ce231772c66e648a61f6bd2245e7129d1f5
Analyze and fix the following issue in the Linux kernel code: scsi: stex: Fix gcc 13 warnings
Problem Details: gcc 13 may assign another type to enumeration constants than gcc 12. Split the large enum at the top of source file stex.c such that the type of the constants used in time expressions is changed back to the same type chosen by gcc 12. This patch suppresses compiler warnings like this one: In file incl...
```diff diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 5b230e149c3d..8ffb75be99bc 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -109,7 +109,9 @@ enum { TASK_ATTRIBUTE_HEADOFQUEUE = 0x1, TASK_ATTRIBUTE_ORDERED = 0x2, TASK_ATTRIBUTE_ACA = 0x4, +}; +enum { SS_STS_NORMAL = 0x...
401f8ef3193f9e3bbd454023152868c9aca6dc9d
Analyze and fix the following issue in the Linux kernel code: scsi: ata: libata-scsi: Fix ata_msense_control kdoc comment
Problem Details: Add missing description of the spg argument of ata_msense_control(). Fixes: df60f9c64576 ("scsi: ata: libata: Add ATA feature control sub-page translation") Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20230523074701.293502-1-dlemoal@kernel.org Reviewed-by: Johann...
```diff diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 69fc0d2c2123..40d6703e2d07 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3850,6 +3850,7 @@ static unsigned int ata_mselect_control_ata_feature(struct ata_queued_cmd *qc, /** * ata_mselect_control - Simulate ...
339020091e246e708c1381acf74c5f8e3fe4d2b5
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix end of loop test
Problem Details: This loop will exit successfully when "found" is false or in the failure case it times out with "wait_iter" set to -1. The test for timeouts is impossible as is. Fixes: b843adde8d49 ("scsi: qla2xxx: Fix mem access after free") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore...
```diff diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index bc89d3da8fd0..952fd2b5e6da 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1409,7 +1409,7 @@ __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t, break; } - if (...
ff3cfcb0d46adc541283a507560f88b7d7114dbe
Analyze and fix the following issue in the Linux kernel code: x86/smpboot: Fix the parallel bringup decision
Problem Details: The decision to allow parallel bringup of secondary CPUs checks CC_ATTR_GUEST_STATE_ENCRYPT to detect encrypted guests. Those cannot use parallel bootup because accessing the local APIC is intercepted and raises a #VC or #VE, which cannot be handled at that point. The check works correctly, but only f...
```diff diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index e146b599260f..27ce10c9ff61 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -871,5 +871,16 @@ void __init tdx_early_init(void) x86_platform.guest.enc_tlb_flush_required = tdx_tlb_flush_required; x86_platform.guest.en...
eed7a146b86cf95441d5563c7a99cd02f8a6c3a4
Analyze and fix the following issue in the Linux kernel code: rust: arc: fix intra-doc link in `Arc<T>::init`
Problem Details: `Arc<T>::init` refers to `Arc<T>::pin_init` via an intra-doc link using the text `pin_init`, rather than more explicitly, which makes `rustdoc` point it to the `pin_init!` macro instead. This is required for the compiler upgrade since the newer `rustdoc` would trigger the `broken_intra_doc_links` lint...
```diff diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs index e6d206242465..1b0734fdf6a7 100644 --- a/rust/kernel/sync/arc.rs +++ b/rust/kernel/sync/arc.rs @@ -185,7 +185,7 @@ impl<T> Arc<T> { /// Use the given initializer to in-place initialize a `T`. /// - /// This is equivalent to [`pin...
6199d23c91ce53bfed455f09a8c5ed170d516824
Analyze and fix the following issue in the Linux kernel code: HID: logitech-hidpp: Handle timeout differently from busy
Problem Details: If an attempt at contacting a receiver or a device fails because the receiver or device never responds, don't restart the communication, only restart it if the receiver or device answers that it's busy, as originally intended. This was the behaviour on communication timeout before commit 586e8fede795 ...
```diff diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 0fcfd85fea0f..2246044b1639 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -314,6 +314,7 @@ static int hidpp_send_message_sync(struct hidpp_device *hidpp, dbg_hid("%s:timeout waitin...
8dc2a7e8027fbeca0c7df81d4c82e735a59b5741
Analyze and fix the following issue in the Linux kernel code: riscv: Fix relocatable kernels with early alternatives using -fno-pie
Problem Details: Early alternatives are called with the mmu disabled, and then should not access any global symbols through the GOT since it requires relocations, relocations that we do before but *virtually*. So only use medany code model for this early code. Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Te...
```diff diff --git a/arch/riscv/errata/Makefile b/arch/riscv/errata/Makefile index a1055965fbee..7b2637c8c332 100644 --- a/arch/riscv/errata/Makefile +++ b/arch/riscv/errata/Makefile @@ -1,2 +1,6 @@ +ifdef CONFIG_RELOCATABLE +KBUILD_CFLAGS += -fno-pie +endif + obj-$(CONFIG_ERRATA_SIFIVE) += sifive/ obj-$(CONFIG_ERRAT...
c034203b6a9dae6751ef4371c18cb77983e30c28
Analyze and fix the following issue in the Linux kernel code: nfsd: fix double fget() bug in __write_ports_addfd()
Problem Details: The bug here is that you cannot rely on getting the same socket from multiple calls to fget() because userspace can influence that. This is a kind of double fetch bug. The fix is to delete the svc_alien_sock() function and instead do the checking inside the svc_addsock() function. Fixes: 3064639423c...
```diff diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index c159817d1282..b4fd7a7062d5 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -690,16 +690,11 @@ static ssize_t __write_ports_addfd(char *buf, struct net *net, const struct cred if (err != 0 || fd < 0) return -EINVAL; - if (svc_alien_sock(net, f...
3ecd5a728903b3057012043f98464c20cea1cdbb
Analyze and fix the following issue in the Linux kernel code: spi: dw: Drop empty line from DebugFS init function
Problem Details: Just drop a redundant empty line from the dw_spi_debugfs_init() function left in the framework of the commit 0178f1e5d984 ("spi-dw-core.c: Fix error checking for debugfs_create_dir") after removing the last return statement. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Link: https://...
```diff diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c index 071a7604a8ab..a8ba41ad4541 100644 --- a/drivers/spi/spi-dw-core.c +++ b/drivers/spi/spi-dw-core.c @@ -68,7 +68,6 @@ static void dw_spi_debugfs_init(struct dw_spi *dws) dws->regset.nregs = ARRAY_SIZE(dw_spi_dbgfs_regs); dws->regset.base...
60548b825b082cedf89b275c21c28b1e1d030e50
Analyze and fix the following issue in the Linux kernel code: samples/bpf: xdp1 and xdp2 reduce XDPBUFSIZE to 60
Problem Details: Default samples/pktgen scripts send 60 byte packets as hardware adds 4-bytes FCS checksum, which fulfils minimum Ethernet 64 bytes frame size. XDP layer will not necessary have access to the 4-bytes FCS checksum. This leads to bpf_xdp_load_bytes() failing as it tries to copy 64-bytes from an XDP pack...
```diff diff --git a/samples/bpf/xdp1_kern.c b/samples/bpf/xdp1_kern.c index 0a5c704badd0..d91f27cbcfa9 100644 --- a/samples/bpf/xdp1_kern.c +++ b/samples/bpf/xdp1_kern.c @@ -39,7 +39,7 @@ static int parse_ipv6(void *data, u64 nh_off, void *data_end) return ip6h->nexthdr; } -#define XDPBUFSIZE 64 +#define XDPBUFSI...
ffadc372529e268b54c5b98f56da07d8024fa1cb
Analyze and fix the following issue in the Linux kernel code: bpf: Replace all non-returning strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. This is not the case here, however, in an effort to remove strlcpy() completely [2], lets replace...
```diff diff --git a/kernel/bpf/preload/bpf_preload_kern.c b/kernel/bpf/preload/bpf_preload_kern.c index b56f9f3314fd..0c63bc2cd895 100644 --- a/kernel/bpf/preload/bpf_preload_kern.c +++ b/kernel/bpf/preload/bpf_preload_kern.c @@ -23,9 +23,9 @@ static void free_links_and_skel(void) static int preload(struct bpf_prel...
bed61c8fc7ba17d0f259c674137a5198fd2e3334
Analyze and fix the following issue in the Linux kernel code: drm/ast: Fix long time waiting on s3/s4 resume
Problem Details: In resume, DP's launch function, ast_dp_launch, could wait at most 30 seconds before timeout to check if DP is enabled. It could lead to 'DPM device timeout' and trigger unrecoverable kernel panic. To avoid this problem, we check if DP enable or not at driver probe only. Reported-and-tested-by: Wendy...
```diff diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c index fbb070f63e36..6dc1a09504e1 100644 --- a/drivers/gpu/drm/ast/ast_dp.c +++ b/drivers/gpu/drm/ast/ast_dp.c @@ -119,53 +119,32 @@ err_astdp_edid_not_ready: /* * Launch Aspeed DP */ -void ast_dp_launch(struct drm_device *dev, u8 bPow...
81d0fa4cb4fc0e1a49c2b22f92c43d9fe972ebcf
Analyze and fix the following issue in the Linux kernel code: tracing/probe: trace_probe_primary_from_call(): checked list_first_entry
Problem Details: All callers of trace_probe_primary_from_call() check the return value to be non NULL. However, the function returns list_first_entry(&tpe->probes, ...) which can never be NULL. Additionally, it does not check for the list being possibly empty, possibly causing a type confusion on empty lists. Use list_...
```diff diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index ef8ed3b65d05..6a4ecfb1da43 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -308,7 +308,7 @@ trace_probe_primary_from_call(struct trace_event_call *call) { struct trace_probe_event *tpe = trace_probe_event_f...
ae62c49c0ceff20dc7c1fad4a5b8f91d64b4f628
Analyze and fix the following issue in the Linux kernel code: serial: 8250: omap: convert to modern PM ops
Problem Details: The new uart_write() function is only called from suspend/resume code, causing a build warning when those are left out: drivers/tty/serial/8250/8250_omap.c:169:13: error: 'uart_write' defined but not used [-Werror=unused-function] Remove the #ifdefs and use the modern pm_ops/pm_sleep_ops and their wr...
```diff diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index af47002c3cb3..fe26ebc7b834 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1595,7 +1595,6 @@ static int omap8250_remove(struct platform_device *pdev) return 0; } -#ifd...
c53aab20762255ee03e65dd66b3cba3887ad39d1
Analyze and fix the following issue in the Linux kernel code: serial: 8250: omap: Move uart_write() inside PM section
Problem Details: If CONFIG_PM is not set (e.g. m68k/allmodconfig): drivers/tty/serial/8250/8250_omap.c:169:13: error: ‘uart_write’ defined but not used [-Werror=unused-function] 169 | static void uart_write(struct omap8250_priv *priv, u32 reg, u32 val) | ^~~~~~~~~~ Fix tis by moving uart_writ...
```diff diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 0498b9b0e4e9..af47002c3cb3 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -166,11 +166,6 @@ static u32 uart_read(struct omap8250_priv *priv, u32 reg) return readl(priv->m...
448a5ce1120c5bdbce1f1ccdabcd31c7d029f328
Analyze and fix the following issue in the Linux kernel code: udp6: Fix race condition in udp6_sendmsg & connect
Problem Details: Syzkaller got the following report: BUG: KASAN: use-after-free in sk_setup_caps+0x621/0x690 net/core/sock.c:2018 Read of size 8 at addr ffff888027f82780 by task syz-executor276/3255 The function sk_setup_caps (called by ip6_sk_dst_store_flow-> ip6_dst_store) referenced already freed memory as this mem...
```diff diff --git a/net/core/sock.c b/net/core/sock.c index 5440e67bcfe3..24f2761bdb1d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2381,7 +2381,6 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst) { u32 max_segs = 1; - sk_dst_set(sk, dst); sk->sk_route_caps = dst->dev->features; if (sk_i...
98b503c7fb13a17a47d8ebf15fa8f7c10118e75c
Analyze and fix the following issue in the Linux kernel code: ARM: dts: meson8: correct uart_B and uart_C clock references
Problem Details: On Meson8 uart_B and uart_C do not work, because they are relying on incorrect clocks. Change the references of pclk to the correct CLKID (UART1 for uart_B and UART2 for uart_C), to allow use of the two uarts. This was originally reported by Hans-Frieder Vogt for Meson8b [0], but the same bug is also ...
```diff diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi index 4f22ab451aae..59932fbfd5d5 100644 --- a/arch/arm/boot/dts/meson8.dtsi +++ b/arch/arm/boot/dts/meson8.dtsi @@ -769,13 +769,13 @@ &uart_B { compatible = "amlogic,meson8-uart"; - clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKI...
df25edbac31ea87b488789d44a362063542b5967
Analyze and fix the following issue in the Linux kernel code: x86/alternatives: Add longer 64-bit NOPs
Problem Details: By adding support for longer NOPs there are a few more alternatives that can turn into a single instruction. Add up to NOP11, the same limit where GNU as .nops also stops generating longer nops. This is because a number of uarchs have severe decode penalties for more than 3 prefixes. [ bp: Sync up ...
```diff diff --git a/arch/x86/include/asm/nops.h b/arch/x86/include/asm/nops.h index c5573eaa5bb9..1c1b7550fa55 100644 --- a/arch/x86/include/asm/nops.h +++ b/arch/x86/include/asm/nops.h @@ -34,6 +34,8 @@ #define BYTES_NOP7 0x8d,0xb4,0x26,0x00,0x00,0x00,0x00 #define BYTES_NOP8 0x3e,BYTES_NOP7 +#define ASM_NOP_MAX 8...
9f9666e65359d5047089aef97ac87c50f624ecb0
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Mask ring interrupt on Intel hardware as well
Problem Details: When resuming from system sleep states the driver issues following warning on Intel hardware: thunderbolt 0000:07:00.0: interrupt for TX ring 0 is already enabled The reason for this is that the commit in question did not mask the ring interrupt on Intel hardware leaving the interrupt active. Fix t...
```diff diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index c0aee5dc5237..e58beac44295 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -56,9 +56,14 @@ static int ring_interrupt_index(const struct tb_ring *ring) static void nhi_mask_interrupt(struct tb_nhi *nhi, int mask...
f4e4534850a9d18c250a93f8d7fbb51310828110
Analyze and fix the following issue in the Linux kernel code: net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report
Problem Details: The current code for the length calculation wrongly truncates the reported length of the groups array, causing an under report of the subscribed groups. To fix this, use 'BITS_TO_BYTES()' which rounds up the division by 8. Fixes: b42be38b2778 ("netlink: add API to retrieve all group memberships") Sign...
```diff diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index c87804112d0c..3a1e0fd5bf14 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1779,7 +1779,7 @@ static int netlink_getsockopt(struct socket *sock, int level, int optname, break; } } - if (put_user(ALIGN(nlk...
f6a27d6dc51b288106adaf053cff9c9b9cc12c4e
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Drop last page ref in kvm_pgtable_stage2_free_removed()
Problem Details: The reference count on page table allocations is increased for every 'counted' PTE (valid or donated) in the table in addition to the initial reference from ->zalloc_page(). kvm_pgtable_stage2_free_removed() fails to drop the last reference on the root of the table walk, meaning we leak memory. Fix it...
```diff diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index e1eacffbc41f..95dae02ccc2e 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -1332,4 +1332,7 @@ void kvm_pgtable_stage2_free_removed(struct kvm_pgtable_mm_ops *mm_ops, void *pg }; WARN_ON(__kvm_pgt...
2f93493970dfa46779f134f1fb2cd803b8c80ea4
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: fix 88E6393X family internal phys layout
Problem Details: 88E6393X/88E6193X/88E6191X switches have in fact 8 internal PHYs, but those are not present starting at port 0: supported ports go from 1 to 8 Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signe...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index c967259fcadd..d3d861e55fe0 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -6047,7 +6047,8 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = { .name = "Marvell 88E6191X", ...
36eec020fab668719b541f34d97f44e232ffa165
Analyze and fix the following issue in the Linux kernel code: net: sched: fix NULL pointer dereference in mq_attach
Problem Details: When use the following command to test: 1)ip link add bond0 type bond 2)ip link set bond0 up 3)tc qdisc add dev bond0 root handle ffff: mq 4)tc qdisc replace dev bond0 parent ffff:fff1 handle ffff: mq The kernel reports NULL pointer dereference issue. The stack information is as follows: Unable to han...
```diff diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 49b9c1bbfdd9..014209b1dd58 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1606,6 +1606,10 @@ replay: NL_SET_ERR_MSG(extack, "Qdisc parent/child loop detected"); return -ELOOP; } + if (clid == TC_H_INGRESS) { + N...
9de95df5d15baa956c2b70b9e794842e790a8a13
Analyze and fix the following issue in the Linux kernel code: net/sched: Prohibit regrafting ingress or clsact Qdiscs
Problem Details: Currently, after creating an ingress (or clsact) Qdisc and grafting it under TC_H_INGRESS (TC_H_CLSACT), it is possible to graft it again under e.g. a TBF Qdisc: $ ip link add ifb0 type ifb $ tc qdisc add dev ifb0 handle 1: root tbf rate 20kbit buffer 1600 limit 3000 $ tc qdisc add dev ifb0 clsa...
```diff diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 383195955b7d..49b9c1bbfdd9 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1596,6 +1596,11 @@ replay: NL_SET_ERR_MSG(extack, "Invalid qdisc name"); return -EINVAL; } + if (q->flags & TCQ_F_INGRESS) { + NL_SET_ERR...
f85fa45d4a9408d98c46c8fa45ba2e3b2f4bf219
Analyze and fix the following issue in the Linux kernel code: net/sched: Reserve TC_H_INGRESS (TC_H_CLSACT) for ingress (clsact) Qdiscs
Problem Details: Currently it is possible to add e.g. an HTB Qdisc under ffff:fff1 (TC_H_INGRESS, TC_H_CLSACT): $ ip link add name ifb0 type ifb $ tc qdisc add dev ifb0 parent ffff:fff1 htb $ tc qdisc add dev ifb0 clsact Error: Exclusivity flag on, cannot modify. $ drgn ... >>> ifb0 = netdev_get_by_name(...
```diff diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index fdb8f429333d..383195955b7d 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1252,7 +1252,12 @@ static struct Qdisc *qdisc_create(struct net_device *dev, sch->parent = parent; if (handle == TC_H_INGRESS) { - sch->flags |= TCQ_F_ING...
5eeebfe6c493192b10d516abfd72742900f2a162
Analyze and fix the following issue in the Linux kernel code: net/sched: sch_clsact: Only create under TC_H_CLSACT
Problem Details: clsact Qdiscs are only supposed to be created under TC_H_CLSACT (which equals TC_H_INGRESS). Return -EOPNOTSUPP if 'parent' is not TC_H_CLSACT. Fixes: 1f211a1b929c ("net, sched: add clsact qdisc") Tested-by: Pedro Tammela <pctammela@mojatatu.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Reviewed...
```diff diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index f9ef6deb2770..35963929e117 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -225,6 +225,9 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt, struct net_device *dev = qdisc_dev(sch); int err; + if (sch->...
c7cfbd115001f94de9e4053657946a383147e803
Analyze and fix the following issue in the Linux kernel code: net/sched: sch_ingress: Only create under TC_H_INGRESS
Problem Details: ingress Qdiscs are only supposed to be created under TC_H_INGRESS. Return -EOPNOTSUPP if 'parent' is not TC_H_INGRESS, similar to mq_init(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+b53a9c0d1ea4ad62da8b@syzkaller.appspotmail.com Closes: https://lore.kernel.org/r/0000000000006cf8770...
```diff diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index 84838128b9c5..f9ef6deb2770 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -80,6 +80,9 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt, struct net_device *dev = qdisc_dev(sch); int err; + if (sch->p...
b5b2e006c98f97f2c83aeeb6e7e8fb32198cc43a
Analyze and fix the following issue in the Linux kernel code: ARM: omap: Fix checkpatch issues
Problem Details: This removes the following checkpatch issues: - ERROR: space required after that ',' (ctx:VxV) - WARNING: Comparisons should place the constant on the right side of the test Signed-off-by: Franziska Naepelt <franziska.naepelt@gmail.com> Message-Id: <20230530182403.35646-1-franziska.naepelt@gmail.com> ...
```diff diff --git a/arch/arm/mach-omap1/sram-init.c b/arch/arm/mach-omap1/sram-init.c index 26427d6be896..736a72a2b184 100644 --- a/arch/arm/mach-omap1/sram-init.c +++ b/arch/arm/mach-omap1/sram-init.c @@ -23,7 +23,7 @@ #define OMAP1_SRAM_PA 0x20000000 #define SRAM_BOOTLOADER_SZ 0x80 -#define ROUND_DOWN(value,bou...
17ff149eee01110e5d545ad7b936d48aff43407f
Analyze and fix the following issue in the Linux kernel code: ARM: dts: am335x-myirtech: Add missing NAND wait pin definition
Problem Details: The NAND wait pin is connected to the GPMC, but this is not mentioned in the DT bindings. Let's fix this. Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.com> Message-Id: <20230524091157.775960-1-eagle.alexander923@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi index 6eea18b29355..38bc7d41baa7 100644 --- a/arch/arm/boot/dts/am335x-myirtech-myc.dtsi +++ b/arch/arm/boot/dts/am335x-myirtech-myc.dtsi @@ -127,6 +127,7 @@ gpmc,bus-turnaround-ns = <0>; gpmc,cycle2cycle-...
c7275ce6a5fd32ca9f5a6294ed89cf0523181af9
Analyze and fix the following issue in the Linux kernel code: nvme: improve handling of long keep alives
Problem Details: Upon keep alive completion, nvme_keep_alive_work is scheduled with the same delay every time. If keep alive commands are completing slowly, this may cause a keep alive timeout. The following trace illustrates the issue, taking KATO = 8 and TBKAS off for simplicity: 1. t = 0: run nvme_keep_alive_work, ...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index dbfca1b925f8..3ec38e2b9173 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1199,6 +1199,20 @@ static enum rq_end_io_ret nvme_keep_alive_end_io(struct request *rq, struct nvme_ctrl *ctrl = rq->end_io_data; unsigne...
b2a2ab039bd58f51355e33d7d3fc64605d7f870d
Analyze and fix the following issue in the Linux kernel code: opp: Fix use-after-free in lazy_opp_tables after probe deferral
Problem Details: When dev_pm_opp_of_find_icc_paths() in _allocate_opp_table() returns -EPROBE_DEFER, the opp_table is freed again, to wait until all the interconnect paths are available. However, if the OPP table is using required-opps then it may already have been added to the global lazy_opp_tables list. The error p...
```diff diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 85cbc8de407c..7046487dc6f4 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1358,7 +1358,10 @@ static struct opp_table *_allocate_opp_table(struct device *dev, int index) return opp_table; remove_opp_dev: + _of_clear_opp_table(opp_table...
26f15e5de15f7917358af0fda4291b74a3285989
Analyze and fix the following issue in the Linux kernel code: ubsan: add prototypes for internal functions
Problem Details: Most of the functions in ubsan that are only called from generated code don't have a prototype, which W=1 builds warn about: lib/ubsan.c:226:6: error: no previous prototype for '__ubsan_handle_divrem_overflow' [-Werror=missing-prototypes] lib/ubsan.c:307:6: error: no previous prototype for '__ubsan_ha...
```diff diff --git a/lib/ubsan.c b/lib/ubsan.c index e2cc4a799312..3f90810f9f42 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -423,9 +423,6 @@ out: } EXPORT_SYMBOL(__ubsan_handle_load_invalid_value); -void __ubsan_handle_alignment_assumption(void *_data, unsigned long ptr, - unsigned long align, - unsigne...
d0c2d66fcc8db748edfe60e3b443eaff931f50e9
Analyze and fix the following issue in the Linux kernel code: ftrace: Replace all non-returning strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return...
```diff diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 764668467155..6a77edb51f18 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -5743,7 +5743,7 @@ bool ftrace_filter_param __initdata; static int __init set_ftrace_notrace(char *str) { ftrace_filter_param = true; - strlcpy(ftrace...
dd06e72e68bcb4070ef211be100d2896e236c8fb
Analyze and fix the following issue in the Linux kernel code: Compiler Attributes: Add __counted_by macro
Problem Details: In an effort to annotate all flexible array members with their run-time size information, the "element_count" attribute is being introduced by Clang[1] and GCC[2] in future releases. This annotation will provide the CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE features the ability to perform run-time ...
```diff diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index e659cb6fded3..5588bffe53b9 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -123,6 +123,19 @@ # define __designated_init #endif +/* + * Optional: only supported since gcc...
7391928025f28cd4cab43e59d2b4e36509b9337e
Analyze and fix the following issue in the Linux kernel code: befs: Replace all non-returning strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated. In an effort to remove strlcpy() completely, replace strlcpy() here with strscpy(). No return values ...
```diff diff --git a/fs/befs/btree.c b/fs/befs/btree.c index 1b7e0f7128d6..53b36aa29978 100644 --- a/fs/befs/btree.c +++ b/fs/befs/btree.c @@ -500,7 +500,7 @@ befs_btree_read(struct super_block *sb, const befs_data_stream *ds, goto error_alloc; } - strlcpy(keybuf, keystart, keylen + 1); + strscpy(keybuf, keystar...
01e6aac78b1c5c9e7115c15f5dbf942959b8f3ad
Analyze and fix the following issue in the Linux kernel code: signal: move show_unhandled_signals sysctl to its own file
Problem Details: The show_unhandled_signals sysctl is the only sysctl for debug left on kernel/sysctl.c. We've been moving the syctls out from kernel/sysctl.c so to help avoid merge conflicts as the shared array gets out of hand. This change incurs simplifies sysctl registration by localizing it where it should go for...
```diff diff --git a/kernel/signal.c b/kernel/signal.c index 8f6330f0e9ca..5ba4150c01a7 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -45,6 +45,7 @@ #include <linux/posix-timers.h> #include <linux/cgroup.h> #include <linux/audit.h> +#include <linux/sysctl.h> #define CREATE_TRACE_POINTS #include <trace/ev...
a5606b94cd3d843b424a01e061dd0cadbcb0bb8c
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Track all sent actions to GuC
Problem Details: For easier debug of any unexpected error responses from GuC that might be related to non-blocking fast requests, track action code (and stack if under DEBUG_GUC config) for every H2G request. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Int...
```diff diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug index 47e845353ffa..2d21930d5501 100644 --- a/drivers/gpu/drm/i915/Kconfig.debug +++ b/drivers/gpu/drm/i915/Kconfig.debug @@ -157,6 +157,7 @@ config DRM_I915_SW_FENCE_CHECK_DAG config DRM_I915_DEBUG_GUC bool "Enable addition...
56f413f2cd373d6ed7c4ecb2e0e3e740cc2fdc8c
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Fix spelling mistake "miliseconds" -> "milliseconds"
Problem Details: There is a spelling mistake in the help for the -p option. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20230417175322.53249-1-colin.i.king@gmail.com Signed-off-by: Sean Christopherson <seanjc@google.com>
```diff diff --git a/tools/testing/selftests/kvm/x86_64/nx_huge_pages_test.c b/tools/testing/selftests/kvm/x86_64/nx_huge_pages_test.c index 251794f83719..7f36c32fa760 100644 --- a/tools/testing/selftests/kvm/x86_64/nx_huge_pages_test.c +++ b/tools/testing/selftests/kvm/x86_64/nx_huge_pages_test.c @@ -226,7 +226,7 @@ s...
cec5fe700799b3f863d25cf883f02e5735598ab5
Analyze and fix the following issue in the Linux kernel code: selinux: make labeled NFS work when mounted before policy load
Problem Details: Currently, when an NFS filesystem that supports passing LSM/SELinux labels is mounted during early boot (before the SELinux policy is loaded), it ends up mounted without the labeling support (i.e. with Fedora policy all files get the generic NFS label system_u:object_r:nfs_t:s0). This is because the i...
```diff diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 03660e551094..d06e350fedee 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -605,6 +605,13 @@ static int selinux_set_mnt_opts(struct super_block *sb, u32 defcontext_sid = 0; int rc = 0; + /* + * Specifying inter...
e6c2f594ed961273479505b42040782820190305
Analyze and fix the following issue in the Linux kernel code: bpf: Silence a warning in btf_type_id_size()
Problem Details: syzbot reported a warning in [1] with the following stacktrace: WARNING: CPU: 0 PID: 5005 at kernel/bpf/btf.c:1988 btf_type_id_size+0x2d9/0x9d0 kernel/bpf/btf.c:1988 ... RIP: 0010:btf_type_id_size+0x2d9/0x9d0 kernel/bpf/btf.c:1988 ... Call Trace: <TASK> map_check_btf kernel/bpf/syscall....
```diff diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 947f0b83bfad..bd2cac057928 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -492,25 +492,26 @@ static bool btf_type_is_fwd(const struct btf_type *t) return BTF_INFO_KIND(t->info) == BTF_KIND_FWD; } -static bool btf_type_nosize(const struct btf_t...
d55ebae3f3122b07689cc4c34043114e09ce904c
Analyze and fix the following issue in the Linux kernel code: sched: Hide unused sched_update_scaling()
Problem Details: This function is only used when CONFIG_SMP is enabled, without that there is no caller and no prototype: kernel/sched/fair.c:688:5: error: no previous prototype for 'sched_update_scaling' [-Werror=missing-prototypes Hide the definition in the same #ifdef check as the declaration. Fixes: 8a99b6833c88...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 48b6f0ca13ac..2c1b345c3b8d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -684,7 +684,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq) /************************************************************** * Scheduling cl...
d388f06aced3b9fe2fb167f48ceedf75ea7629f8
Analyze and fix the following issue in the Linux kernel code: devres: Provide krealloc_array
Problem Details: There is no krealloc_array equivalent in devres. Users would have to do their own multiplication overflow check so provide one. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: James Clark <james.clark@arm.com> Link: https://lore.kernel.org/r/20230509094942.396150-2-james.cla...
```diff diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index 4249eb4239e0..8be086b3f829 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -364,6 +364,7 @@ MEM devm_kmalloc_array() ...
7c054b2cbac388a86ed6a85b831c044a0325e150
Analyze and fix the following issue in the Linux kernel code: iio: adc: Use devm_krealloc_array
Problem Details: Now that it exists, use it instead of doing the multiplication and checking for overflow manually. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: James Clark <james.clark@arm.com> Link: https://lore.kernel.org/r/20230509094942.396150-4-james.clark@arm.com Signed-off-by: Gre...
```diff diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c index 34cf336b3490..f0b71a1220e0 100644 --- a/drivers/iio/adc/xilinx-ams.c +++ b/drivers/iio/adc/xilinx-ams.c @@ -1263,7 +1263,7 @@ static int ams_parse_firmware(struct iio_dev *indio_dev) struct device *dev = indio_dev->dev.parent; st...
eb1f822c76beeaa76ab8b6737ab9dc9f9798408c
Analyze and fix the following issue in the Linux kernel code: ext4: enable the lazy init thread when remounting read/write
Problem Details: In commit a44be64bbecb ("ext4: don't clear SB_RDONLY when remounting r/w until quota is re-enabled") we defer clearing tyhe SB_RDONLY flag in struct super. However, we didn't defer when we checked sb_rdonly() to determine the lazy itable init thread should be enabled, with the next result that the laz...
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9680fe753e59..56a5d1c469fc 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6588,18 +6588,6 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb) } } - /* - * Reinitialize lazy itable initialization thread based on - * cur...
1077b2d53ef53629c14106aecf633bebd286c04c
Analyze and fix the following issue in the Linux kernel code: ext4: fix fsync for non-directories
Problem Details: Commit e360c6ed7274 ("ext4: Drop special handling of journalled data from ext4_sync_file()") simplified ext4_sync_file() by dropping special handling of journalled data mode as it was not needed anymore. However that branch was also used for directories and symlinks and since the fastcommit code does n...
```diff diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index f65fdb27ce14..2a143209aa0c 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -108,6 +108,13 @@ static int ext4_fsync_journal(struct inode *inode, bool datasync, journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; tid_t commit_tid = datasync ? ei->i_...
aff3bea95388299eec63440389b4545c8041b357
Analyze and fix the following issue in the Linux kernel code: ext4: add lockdep annotations for i_data_sem for ea_inode's
Problem Details: Treat i_data_sem for ea_inodes as being in their own lockdep class to avoid lockdep complaints about ext4_setattr's use of inode_lock() on normal inodes potentially causing lock ordering with i_data_sem on ea_inodes in ext4_xattr_inode_write(). However, ea_inodes will be operated on by ext4_setattr(),...
```diff diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 9525c52b78dc..8104a21b001a 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -918,11 +918,13 @@ do { \ * where the second inode has larger inode number * than the first * I_DATA_SEM_QUOTA - Used for quota inodes only + * I_DATA...