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f5c779b7ddbda30866cf2a27c63e34158f858c73
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix racy issue from session setup and logoff
Problem Details: This racy issue is triggered by sending concurrent session setup and logoff requests. This patch does not set connection status as KSMBD_SESS_GOOD if state is KSMBD_SESS_NEED_RECONNECT in session setup. And relookup session to validate if session is deleted in logoff. Cc: stable@vger.kernel.org Report...
```diff diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index 365ac32af505..1f5176d65df9 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -56,7 +56,7 @@ struct ksmbd_conn *ksmbd_conn_alloc(void) return NULL; conn->need_neg = true; - conn->status = KSMBD_SESS_NEW; + ksmbd_conn_set_new(...
3ac00a2ab69b34189942afa9e862d5170cdcb018
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()
Problem Details: If share is , share->path is NULL and it cause NULL pointer dereference issue. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20479 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
```diff diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 1d3931994a5d..b5f1a2a7389d 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -4885,6 +4885,9 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, int rc = 0, len; int fs_infoclass_size = 0; + if (!share->path) + return -EIO; ...
6d7cb549c2ca20e1f07593f15e936fd54b763028
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix memleak in session setup
Problem Details: If client send session setup request with unknown NTLMSSP message type, session that does not included channel can be created. It will cause session memleak. because ksmbd_sessions_deregister() does not destroy session if channel is not included. This patch return error response if client send the requ...
```diff diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index bbc9e92935fb..1d3931994a5d 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -1766,6 +1766,10 @@ int smb2_sess_setup(struct ksmbd_work *work) } kfree(sess->Preauth_HashValue); sess->Preauth_HashValue = NULL; + } else { + pr...
1253685f0d3eb3eab0bfc4bf15ab341a5f3da0c8
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: drop redundant sched job cleanup when cs is aborted
Problem Details: Once command submission failed due to userptr invalidation in amdgpu_cs_submit, legacy code will perform cleanup of scheduler job. However, it's not needed at all, as former commit has integrated job cleanup stuff into amdgpu_job_free. Otherwise, because of double free, a NULL pointer dereference will ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 08eced097bd8..2eb2c66843a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1276,7 +1276,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p, r = drm_...
2397e3d8d2e120355201a8310b61929f5a8bd2c0
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add a missing lock for AMDGPU_SCHED
Problem Details: mgr->ctx_handles should be protected by mgr->lock. v2: improve commit message v3: add a Fixes tag Signed-off-by: Chia-I Wu <olvaffe@gmail.com> Reviewed-by: Christian König <christian.koenig@amd.com> Fixes: 52c6a62c64fa ("drm/amdgpu: add interface for editing a foreign process's priority v3") Signed-o...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c index e9b45089a28a..863b2a34b2d6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -38,6 +38,7 @@ static int amdgpu_sched_process_priority_override(struct am...
922a76ba31adf84e72bc947267385be420c689ee
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix an amdgpu_irq_put() issue in gmc_v9_0_hw_fini()
Problem Details: As made mention of in commit 08c677cb0b43 ("drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v10_0_hw_fini") and commit 13af556104fa ("drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v11_0_hw_fini"). It is meaningless to call amdgpu_irq_put() for gmc.ecc_irq. So, remove it from gmc_v9_0_hw_fini(). Li...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 64ab1a306dfe..2fe21cefd772 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1999,7 +1999,6 @@ static int gmc_v9_0_hw_fini(void *handle) if (adev->mmhub.funcs->upda...
08c677cb0b436a96a836792bb35a8ec5de4999c2
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v10_0_hw_fini
Problem Details: The gmc.ecc_irq is enabled by firmware per IFWI setting, and the host driver is not privileged to enable/disable the interrupt. So, it is meaningless to use the amdgpu_irq_put function in gmc_v10_0_hw_fini, which also leads to the call trace. [ 82.340264] Call Trace: [ 82.340265] <TASK> [ 82.34...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 7d6f4a68f416..b213dcf8ca06 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -1143,7 +1143,6 @@ static int gmc_v10_0_hw_fini(void *handle) return 0; } - amd...
13af556104fa93b1945c70bbf8a0a62cd2c92879
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v11_0_hw_fini
Problem Details: The gmc.ecc_irq is enabled by firmware per IFWI setting, and the host driver is not privileged to enable/disable the interrupt. So, it is meaningless to use the amdgpu_irq_put function in gmc_v11_0_hw_fini, which also leads to the call trace. [ 102.980303] Call Trace: [ 102.980303] <TASK> [ 102.98...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c index d809f2ed5600..d95f9fe8f1c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c @@ -951,7 +951,6 @@ static int gmc_v11_0_hw_fini(void *handle) return 0; } - amdgp...
b03f38b9bd90d9eb29951e56f5a4375984c8dffb
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Enable doorbell selfring after resize FB BAR
Problem Details: [Why] The selfring doorbell aperture will change when resize FB BAR successfully during gmc sw init, we should reorder the sequence of enabling doorbell selfring aperture. [How] Move enable_doorbell_selfring_aperture from *_common_hw_init to *_common_late_init. This fixes the potential issue that GPU...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 47420b403871..98c826f1f89b 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -531,13 +531,6 @@ static void nv_program_aspm(struct amdgpu_device *adev) } -static void nv_enable_doorbell_a...
74a49415144035f171751d55b11ba04c9f348f9f
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix mode2 reset for sienna cichlid
Problem Details: Before this change, sienna_cichlid_get_reset_handler will always return NULL, although the module parameter reset_method is 3 when loading amdgpu driver. Signed-off-by: lyndonli <Lyndon.Li@amd.com> Signed-off-by: Yunxiang Li <Yunxiang.Li@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Reviewed-by:...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c index 81a6d5b94987..8b8086d5c864 100644 --- a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c +++ b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c @@ -40,7 +40,7 @@ static bool sienna_cichlid_is_mode2_default(struct ...
e4730ae44240ae1a2e247bfc7f916813567acb92
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Fix error capture for virtual engines
Problem Details: GuC based register dumps in error capture logs were basically broken for virtual engines. This can be seen in igt@gem_exec_balancer@hang: [IGT] gem_exec_balancer: starting subtest hang [drm] GPU HANG: ecode 12:4:e1524110, in gem_exec_balanc [6388] [drm] GT0: GUC: No register capture node found fo...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c index 729a8fcf20dd..1def0b6467c7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c @@ -1540,6 +1540,36 @@ void intel_guc_capture_free_node(s...
44e36855bdb72cc2ade0153dce4a08a5b830a3a6
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Capture list naming clean up
Problem Details: Don't use 'xe_lp*' prefixes for register lists that are common with Gen8. Don't add Xe only GSC registers to pre-Xe devices that don't even have a GSC engine. Fix Xe_LP name. Don't use GEN9 as a prefix for register lists that contain all GEN8 registers. Rename the 'default_' register list prefix to...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c index 9184d2595e4c..729a8fcf20dd 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c @@ -30,12 +30,12 @@ #define COMMON_BASE_GLOBAL \ { FOR...
b049132d61336f643d8faf2f6574b063667088cf
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Don't capture Gen8 regs on Xe devices
Problem Details: A pair of pre-Xe registers were being included in the Xe capture list. GuC was rejecting those as being invalid and logging errors about them. So, stop doing it. Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Fixes: dce2bd542337 (...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c index cf49188db6a6..e0e793167d61 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c @@ -31,12 +31,14 @@ { FORCEWAKE_MT, 0, ...
6014bc27561f2cc63e0acc18adbc4ed810834e32
Analyze and fix the following issue in the Linux kernel code: x86-64: make access_ok() independent of LAM
Problem Details: The linear address masking (LAM) code made access_ok() more complicated, in that it now needs to untag the address in order to verify the access range. See commit 74c228d20a51 ("x86/uaccess: Provide untagged_addr() and remove tags before address check"). We were able to avoid that overhead in the get...
```diff diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 457e814712af..123135d60f72 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -75,6 +75,34 @@ static inline unsigned long __untagged_addr_remote(struct mm_struct *mm, #define untagged_addr(addr) ...
4f94559f40ad06d627c0fdfc3319cec778a2845b
Analyze and fix the following issue in the Linux kernel code: tracing: Fix permissions for the buffer_percent file
Problem Details: This file defines both read and write operations, yet it is being created as read-only. This means that it can't be written to without the CAP_DAC_OVERRIDE capability. Fix the permissions to allow root to write to it without the need to override DAC perms. Link: https://lore.kernel.org/linux-trace-ker...
```diff diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 076d893d2965..b9be1af23a73 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -9660,7 +9660,7 @@ init_tracer_tracefs(struct trace_array *tr, struct dentry *d_tracer) tr->buffer_percent = 50; - trace_create_file("buffer_percent", T...
3710e2b056cb92ad816e4d79fa54a6a5b6ad8cbd
Analyze and fix the following issue in the Linux kernel code: nvme-pci: clamp max_hw_sectors based on DMA optimized limitation
Problem Details: When running the fio test on a 448-core AMD server + a NVME disk, a soft lockup or a hard lockup call trace is shown: [soft lockup] watchdog: BUG: soft lockup - CPU#126 stuck for 23s! [swapper/126:0] RIP: 0010:_raw_spin_unlock_irqrestore+0x21/0x50 ... Call Trace: <IRQ> fq_flush_timeout+0x7d/0xd0 ? ...
```diff diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 18ca1e3ae070..922ffe4e2822 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2956,7 +2956,7 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev, * over a single page. */ dev->ctrl.max_hw_sectors = mi...
1616d6c3717bae9041a4240d381ec56ccdaafedc
Analyze and fix the following issue in the Linux kernel code: nvme-pci: add NVME_QUIRK_BOGUS_NID for HS-SSD-FUTURE 2048G
Problem Details: Add a quirk to fix HS-SSD-FUTURE 2048G SSD drives reporting duplicate nsids. Link: https://bugzilla.kernel.org/show_bug.cgi?id=217384 Reported-by: Andrey God <andreygod83@protonmail.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
```diff diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 593f86323e25..d8b660daf7c2 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3433,6 +3433,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_BOGUS_NID, }, { PCI_DEVICE(0x1d97, 0x2269)...
6e3220ba3323a2c24be834aebf5d6e9f89d0993f
Analyze and fix the following issue in the Linux kernel code: parisc: Fix argument pointer in real64_call_asm()
Problem Details: Fix the argument pointer (ap) to point to real-mode memory instead of virtual memory. It's interesting that this issue hasn't shown up earlier, as this could have happened with any 64-bit PDC ROM code. I just noticed it because I suddenly faced a HPMC while trying to execute the 64-bit STI ROM code o...
```diff diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S index 4dc12c4c0980..509d18b8e0e6 100644 --- a/arch/parisc/kernel/real2.S +++ b/arch/parisc/kernel/real2.S @@ -235,9 +235,6 @@ ENTRY_CFI(real64_call_asm) /* save fn */ copy %arg2, %r31 - /* set up the new ap */ - ldo 64(%arg1), %r29 - /...
829632dae8321787525ee37dc4828bbe6edafdae
Analyze and fix the following issue in the Linux kernel code: parisc: Replace regular spinlock with spin_trylock on panic path
Problem Details: The panic notifiers' callbacks execute in an atomic context, with interrupts/preemption disabled, and all CPUs not running the panic function are off, so it's very dangerous to wait on a regular spinlock, there's a risk of deadlock. Refactor the panic notifier of parisc/power driver to make use of spi...
```diff diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h index 40793bef8429..2b4fad8328e8 100644 --- a/arch/parisc/include/asm/pdc.h +++ b/arch/parisc/include/asm/pdc.h @@ -80,6 +80,7 @@ int pdc_do_firm_test_reset(unsigned long ftc_bitmap); int pdc_do_reset(void); int pdc_soft_power_info(uns...
e0838a99289e013d17496ed9464c3cf71d49b977
Analyze and fix the following issue in the Linux kernel code: parisc: update kbuild doc. aliases for parisc64
Problem Details: ARCH=parisc64 is now supported for 64-bit parisc builds, so add this alias to the kbuild.rst documentation. Fixes: 3dcfb729b5f4 ("parisc: Make CONFIG_64BIT available for ARCH=parisc64 only") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnersh...
```diff diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst index e22621f4af0b..2a22ddb1b848 100644 --- a/Documentation/kbuild/kbuild.rst +++ b/Documentation/kbuild/kbuild.rst @@ -160,6 +160,7 @@ directory name found in the arch/ directory. But some architectures such as x86 and sparc have a...
82da62abe56263319a974a4d77c1e6fa19355de1
Analyze and fix the following issue in the Linux kernel code: parisc: Limit amount of kgdb breakpoints on parisc
Problem Details: kgdb is rarely used and 40 breakpoints seems enough to debug parisc specific bugs. Signed-off-by: Helge Deller <deller@gmx.de>
```diff diff --git a/arch/parisc/include/asm/kgdb.h b/arch/parisc/include/asm/kgdb.h index f23e7f8f13a5..317cd434bee3 100644 --- a/arch/parisc/include/asm/kgdb.h +++ b/arch/parisc/include/asm/kgdb.h @@ -17,6 +17,8 @@ #define NUMREGBYTES sizeof(struct parisc_gdb_regs) #define BUFMAX 4096 +#define KGDB_MAX_BREAK...
c0b79b0ff53be5b05be98e3caaa6a39de1fe9520
Analyze and fix the following issue in the Linux kernel code: ublk: add timeout handler
Problem Details: Add timeout handler, so that we can provide forward progress guarantee for unprivileged ublk, which can't be trusted. One thing is that sync() calls sync_bdevs(wait) for all block devices after running sync_bdevs(no_wait), and if one device can't move on, the sync() won't return any more. Add timeout...
```diff diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 253008b2091d..e96309f2e1ad 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -129,6 +129,7 @@ struct ublk_queue { unsigned long io_addr; /* mapped vm address */ unsigned int max_io_sz; bool force_abort; + bool tim...
3899d94e3831ee07ea6821c032dc297aec80586a
Analyze and fix the following issue in the Linux kernel code: drbd: correctly submit flush bio on barrier
Problem Details: When we receive a flush command (or "barrier" in DRBD), we currently use a REQ_OP_FLUSH with the REQ_PREFLUSH flag set. The correct way to submit a flush bio is by using a REQ_OP_WRITE without any data, and set the REQ_PREFLUSH flag. Since commit b4a6bb3a67aa ("block: add a sanity check for non-write...
```diff diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index e54404c632e7..34b112752ab1 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1283,7 +1283,7 @@ static void one_flush_endio(struct bio *bio) static void submit_one_flush(struct d...
5d388143fa6c351d985ffd23ea50c91c8839141b
Analyze and fix the following issue in the Linux kernel code: i2c: gxp: fix build failure without CONFIG_I2C_SLAVE
Problem Details: The gxp_i2c_slave_irq_handler() is hidden in an #ifdef, but the caller uses an IS_ENABLED() check: drivers/i2c/busses/i2c-gxp.c: In function 'gxp_i2c_irq_handler': drivers/i2c/busses/i2c-gxp.c:467:29: error: implicit declaration of function 'gxp_i2c_slave_irq_handler'; did you mean 'gxp_i2c_irq_handle...
```diff diff --git a/drivers/i2c/busses/i2c-gxp.c b/drivers/i2c/busses/i2c-gxp.c index d4b55d989a26..8ea3fb5e4c7f 100644 --- a/drivers/i2c/busses/i2c-gxp.c +++ b/drivers/i2c/busses/i2c-gxp.c @@ -353,7 +353,6 @@ static void gxp_i2c_chk_data_ack(struct gxp_i2c_drvdata *drvdata) writew(value, drvdata->base + GXP_I2CMCMD...
fa39065833dbdb2059ffe25d071e722c31fbbb6c
Analyze and fix the following issue in the Linux kernel code: i2c: imx-lpi2c: avoid taking clk_prepare mutex in PM callbacks
Problem Details: This is unsafe, as the runtime PM callbacks are called from the PM workqueue, so this may deadlock when handling an i2c attached clock, which may already hold the clk_prepare mutex from another context. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Wolfram Sang <wsa@k...
```diff diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index a49b14d52a98..1af0a637d7f1 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -639,7 +639,7 @@ static int __maybe_unused lpi2c_runtime_suspend(struct device *dev) { struct lpi2c...
c770657bd2611b077ec1e7b1fe6aa92f249399bd
Analyze and fix the following issue in the Linux kernel code: i2c: omap: Fix standard mode false ACK readings
Problem Details: Using standard mode, rare false ACK responses were appearing with i2cdetect tool. This was happening due to NACK interrupt triggering ISR thread before register access interrupt was ready. Removing the NACK interrupt's ability to trigger ISR thread lets register access ready interrupt do this instead. ...
```diff diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 2b4e2be51318..4199f57a6bf2 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1058,7 +1058,7 @@ omap_i2c_isr(int irq, void *dev_id) u16 stat; stat = omap_i2c_read_reg(omap, OMAP_I2C_STAT_REG); ...
776617db78c6d208780e7c69d4d68d1fa82913de
Analyze and fix the following issue in the Linux kernel code: io_uring/rsrc: check for nonconsecutive pages
Problem Details: Pages that are from the same folio do not necessarily need to be consecutive. In that case, we cannot consolidate them into a single bvec entry. Before applying the huge page optimization from commit 57bebf807e2a ("io_uring/rsrc: optimise registered huge pages"), check that the memory is actually conse...
```diff diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index ddee7adb4006..00affcf811ad 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -1117,7 +1117,12 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, struct iovec *iov, if (nr_pages > 1) { folio = page_folio(pages[0]); for (i = 1; i < nr_pag...
d246331b78cbef86237f9c22389205bc9b4e1cc1
Analyze and fix the following issue in the Linux kernel code: btrfs: don't free qgroup space unless specified
Problem Details: Boris noticed in his simple quotas testing that he was getting a leak with Sweet Tea's change to subvol create that stopped doing a transaction commit. This was just a side effect of that change. In the delayed inode code we have an optimization that will free extra reservations if we think we can pa...
```diff diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c index 3ab707e26fa2..ac18c43fadad 100644 --- a/fs/btrfs/block-rsv.c +++ b/fs/btrfs/block-rsv.c @@ -124,7 +124,8 @@ static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info, } else { num_bytes = 0; } - if (block_rsv->qgroup_rsv_reserved >= bl...
629f59ade8fc399beee839cb81369510c9c982b6
Analyze and fix the following issue in the Linux kernel code: drm/udl: delete dead code
Problem Details: The "unode" pointer cannot be NULL here and checking for it causes Smatch warnings: drivers/gpu/drm/udl/udl_main.c:259 udl_get_urb_locked() warn: can 'unode' even be NULL? Fortunately, it's just harmless dead code which can be removed. It's left over from commit c5c354a3a472 ("drm/udl: Fix inc...
```diff diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 061cb88c08a2..3ebe2ce55dfd 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -255,7 +255,7 @@ static struct urb *udl_get_urb_locked(struct udl_device *udl, long timeout) list_del_init(&unode->e...
1f85d016768ff19f060f3cce014a43c761de8259
Analyze and fix the following issue in the Linux kernel code: perf test record+probe_libc_inet_pton: Fix call chain match on x86_64
Problem Details: The test case probe libc's inet_pton & backtrace it with ping fails with Fedora 38 on x86_64. Function getaddrinfo() does not show up in the call chain anymore: # ./perf script ping 1803 [000] 728.567146: probe_libc:inet_pton: (7f5275afc840) 133840 __GI___inet_pton+0x0 (/usr/lib64/li...
```diff diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index 4c739056cb65..bbb5b3d185fa 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -49,7 +49,6 @@ trace_libc_...
311693ce81c9da3724d4294a4c3769a3b30b6a7f
Analyze and fix the following issue in the Linux kernel code: perf test record+probe_libc_inet_pton: Fix call chain match on s390
Problem Details: With Fedora 38 the perf test 86 probe libc's inet_pton fails on s390. The call chain of the ping command changed. The functions text_to_binary_address() and gaih_inet() do not show up in the call chain anymore. Output before: # ./perf test -v 86 86: probe libc's inet_pton & backtrace it with pin...
```diff diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index b4149b2db4c6..4c739056cb65 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -38,8 +38,6 @@ trace_libc_...
29cd2927fb914cc53b5ba4f67d2b74695c994ba4
Analyze and fix the following issue in the Linux kernel code: SUNRPC: Fix encoding of accepted but unsuccessful RPC replies
Problem Details: Jiri Slaby says: > I bisected to this ... as it breaks nfs3-only servers in 6.3. > I.e. /etc/nfs.conf containing: > [nfsd] > vers4=no > > The client sees: > mount("10.0.2.15:/tmp", "/mnt", "nfs", 0, "vers=4.2,addr=10.0.2.15,clientad"...) = -1 EIO (Input/output error) > write(2, "mount.nfs: mount syst...
```diff diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 26367cf4c17a..43e32129a583 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1416,7 +1416,7 @@ err_bad_rpc: /* Only RPCv2 supported */ xdr_stream_encode_u32(xdr, RPC_VERSION); xdr_stream_encode_u32(xdr, RPC_VERSION); - goto sendit; + return 1; ...
f057b63bc11d86a98176de31b437e46789f44d8f
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: fix ct untracked match breakage
Problem Details: "ct untracked" no longer works properly due to erroneous NFT_BREAK. We have to check ctinfo enum first. Fixes: d9e789147605 ("netfilter: nf_tables: avoid retpoline overhead for some ct expression calls") Reported-by: Rvfg <i@rvf6.com> Link: https://marc.info/?l=netfilter&m=168294996212038&w=2 Signed-o...
```diff diff --git a/net/netfilter/nft_ct_fast.c b/net/netfilter/nft_ct_fast.c index 89983b0613fa..e684c8a91848 100644 --- a/net/netfilter/nft_ct_fast.c +++ b/net/netfilter/nft_ct_fast.c @@ -15,10 +15,6 @@ void nft_ct_get_fast_eval(const struct nft_expr *expr, unsigned int state; ct = nf_ct_get(pkt->skb, &ctinfo)...
6a341729fb31b4c5df9f74f24b4b1c98410c9b87
Analyze and fix the following issue in the Linux kernel code: af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
Problem Details: syzkaller reported a warning below [0]. We can reproduce it by sending 0-byte data from the (AF_PACKET, SOCK_PACKET) socket via some devices whose dev->hard_header_len is 0. struct sockaddr_pkt addr = { .spkt_family = AF_PACKET, .spkt_device = "tun0", }; int fd; fd = ...
```diff diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 6080c0db0814..640d94e34635 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2033,7 +2033,7 @@ retry: goto retry; } - if (!dev_validate_header(dev, skb->data, len)) { + if (!dev_validate_header(dev, skb->data, len) || !...
3ce29c17dc847bf4245e16aad78a7617afa96297
Analyze and fix the following issue in the Linux kernel code: igc: read before write to SRRCTL register
Problem Details: igc_configure_rx_ring() function will be called as part of XDP program setup. If Rx hardware timestamp is enabled prio to XDP program setup, this timestamp enablement will be overwritten when buffer size is written into SRRCTL register. Thus, this commit read the register value before write to SRRCTL ...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_base.h b/drivers/net/ethernet/intel/igc/igc_base.h index 7a992befca24..9f3827eda157 100644 --- a/drivers/net/ethernet/intel/igc/igc_base.h +++ b/drivers/net/ethernet/intel/igc/igc_base.h @@ -87,8 +87,13 @@ union igc_adv_rx_desc { #define IGC_RXDCTL_SWFLUSH 0x040...
1eeb807ffd8da5180f8d64d89ce332876acb5dbd
Analyze and fix the following issue in the Linux kernel code: pds_core: add AUXILIARY_BUS and NET_DEVLINK to Kconfig
Problem Details: Add selecting of AUXILIARY_BUS and NET_DEVLINK to the pds_core Kconfig. Link: https://lore.kernel.org/netdev/ZE%2FduNH3lBLreNkJ@corigine.com/ Fixes: ddbcb22055d1 ("pds_core: Kconfig and pds_core.rst") Suggested-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Shannon Nelson <shannon.nelson@...
```diff diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig index 235fcacef5c5..f8cc8925161c 100644 --- a/drivers/net/ethernet/amd/Kconfig +++ b/drivers/net/ethernet/amd/Kconfig @@ -189,6 +189,8 @@ config AMD_XGBE_HAVE_ECC config PDS_CORE tristate "AMD/Pensando Data Systems Core Device S...
ec788f7e96ad4cd30338a09d466d9368acd73c26
Analyze and fix the following issue in the Linux kernel code: pds_core: remove CONFIG_DEBUG_FS from makefile
Problem Details: This cruft from previous drafts should have been removed when the code was updated to not use the old style dummy helpers. Fixes: 55435ea7729a ("pds_core: initial framework for pds_core PF driver") Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: David S. Miller <davem@davemloft.n...
```diff diff --git a/drivers/net/ethernet/amd/pds_core/Makefile b/drivers/net/ethernet/amd/pds_core/Makefile index 0abc33ce826c..8239742e681f 100644 --- a/drivers/net/ethernet/amd/pds_core/Makefile +++ b/drivers/net/ethernet/amd/pds_core/Makefile @@ -9,6 +9,5 @@ pds_core-y := main.o \ dev.o \ adminq.o \...
4a54903ff68ddb33b6463c94b4eb37fc584ef760
Analyze and fix the following issue in the Linux kernel code: ionic: catch failure from devlink_alloc
Problem Details: Add a check for NULL on the alloc return. If devlink_alloc() fails and we try to use devlink_priv() on the NULL return, the kernel gets very unhappy and panics. With this fix, the driver load will still fail, but at least it won't panic the kernel. Fixes: df69ba43217d ("ionic: Add basic framework for...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c index e6ff757895ab..4ec66a6be073 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c @@ -61,6 +61,8 @@ struct ionic *ionic...
9ad685dbfe7e856bbf17a7177b64676d324d6ed7
Analyze and fix the following issue in the Linux kernel code: ethtool: Fix uninitialized number of lanes
Problem Details: It is not possible to set the number of lanes when setting link modes using the legacy IOCTL ethtool interface. Since 'struct ethtool_link_ksettings' is not initialized in this path, drivers receive an uninitialized number of lanes in 'struct ethtool_link_ksettings::lanes'. When this information is la...
```diff diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 59adc4e6e9ee..6bb778e10461 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -574,8 +574,8 @@ static int ethtool_get_link_ksettings(struct net_device *dev, static int ethtool_set_link_ksettings(struct net_device *dev, void __us...
0fbd79c01a9a657348f7032df70c57a406468c86
Analyze and fix the following issue in the Linux kernel code: r8152: fix the autosuspend doesn't work
Problem Details: Set supports_autosuspend = 1 for the rtl8152_cfgselector_driver. Fixes: ec51fbd1b8a2 ("r8152: add USB device driver for config selection") Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 755b0f72dd44..0999a58ca9d2 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -9910,6 +9910,7 @@ static struct usb_device_driver rtl8152_cfgselector_driver = { .probe = rtl8152_cfgselector_probe, .id_table = rtl8152_tabl...
3711d44fac1f80ea69ecb7315fed05b3812a7401
Analyze and fix the following issue in the Linux kernel code: ionic: remove noise from ethtool rxnfc error msg
Problem Details: It seems that ethtool is calling into .get_rxnfc more often with ETHTOOL_GRXCLSRLCNT which ionic doesn't know about. We don't need to log a message about it, just return not supported. Fixes: aa3198819bea6 ("ionic: Add RSS support") Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: ...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index cf33503468a3..9b2b96fa36af 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -794,7 +794,7 @@ static int ionic_...
99ae1260fdb5f15beab8a3adfb93a9041c87a2c1
Analyze and fix the following issue in the Linux kernel code: octeontx2-vf: Detach LF resources on probe cleanup
Problem Details: When a VF device probe fails due to error in MSIX vector allocation then the resources NIX and NPA LFs were not detached. Fix this by detaching the LFs when MSIX vector allocation fails. Fixes: 3184fb5ba96e ("octeontx2-vf: Virtual function driver support") Signed-off-by: Subbaraya Sundeep <sbhatta@mar...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c index ab126f8706c7..53366dbfbf27 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c @@ -621,7 +621,7 @@ static int ot...
c926252205c424c4842dbdbe02f8e3296f623204
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Disable packet I/O for graceful exit
Problem Details: At the stage of enabling packet I/O in otx2_open, If mailbox timeout occurs then interface ends up in down state where as hardware packet I/O is enabled. Hence disable packet I/O also before bailing out. Fixes: 1ea0166da050 ("octeontx2-pf: Fix the device state on error") Signed-off-by: Subbaraya Sunde...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index a75c944cc739..18284ad75157 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1835,13 +1835,22 @@ int otx2_...
5eb1b7220948a69298a436148a735f32ec325289
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Skip PFs if not enabled
Problem Details: Firmware enables PFs and allocate mbox resources for each of the PFs. Currently PF driver configures mbox resources without checking whether PF is enabled or not. This results in crash. This patch fixes this issue by skipping disabled PF's mbox initialization. Fixes: 9bdc47a6e328 ("octeontx2-af: Mbox ...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c index 2898931d5260..9690ac01f02c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c @@ -157,7 +157,7 @@ EXPORT_SYMBOL(otx2_mbox_init)...
f66155905959076619c9c519fb099e8ae6cb6f7b
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix issues with NPC field hash extract
Problem Details: 1. Allow field hash configuration for both source and destination IPv6. 2. Configure hardware parser based on hash extract feature enable flag for IPv6. 3. Fix IPv6 endianness issue while updating the source/destination IP address via ntuple rule. Fixes: 56d9f5fd2246 ("octeontx2-af: Use hashed f...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index f15efd41972e..952319453701 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -13,11 +13,6 @@ #incl...
406bed11fb91a0b35c26fe633d8700febaec6439
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Update/Fix NPC field hash extract feature
Problem Details: 1. As per previous implementation, mask and control parameter to generate the field hash value was not passed to the caller program. Updated the secret key mbox to share that information as well, as a part of the fix. 2. Earlier implementation did not consider hash reduction of both source and destinat...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 8fb5cae7285b..4c1e374bb376 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -245,9 +245,9 @@ M(NPC_MCAM_READ_BASE_RULE, 0x...
2075bf150ddf320df02c05e242774dc0f73be1a1
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Update correct mask to filter IPv4 fragments
Problem Details: During the initial design, the IPv4 ip_flag mask was set to 0xff. Which results to filter only fragmets with (fragment_offset == 0). As part of the fix, updated the mask to 0x20 to filter all the fragmented packets irrespective of the fragment_offset value. Fixes: c672e3727989 ("octeontx2-pf: Add supp...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c index 044cc211424e..8392f63e433f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c @@ -544,7 +544,7 @@ static int ot...
cb5edce271764524b88b1a6866b3e626686d9a33
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Add validation for lmac type
Problem Details: Upon physical link change, firmware reports to the kernel about the change along with the details like speed, lmac_type_id, etc. Kernel derives lmac_type based on lmac_type_id received from firmware. In a few scenarios, firmware returns an invalid lmac_type_id, which is resulting in below kernel panic...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 724df6398bbe..bd77152bb8d7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1231,6 +1231,14 @@ static inline void link_status...
2a6eecc592b4d59a04d513aa25fc0f30d52100cd
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Increase the size of dmac filter flows
Problem Details: CN10kb supports large number of dmac filter flows to be inserted. Increase the field size to accommodate the same Fixes: b747923afff8 ("octeontx2-af: Exact match support") Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: ...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index f42b2b65bfd7..0c8fc66ade82 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -335,11 +335,1...
60999cb83554ebcf6cfff8894bc2c3d99ea858ba
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix depth of cam and mem table.
Problem Details: In current driver, NPC cam and mem table sizes are read from wrong register offset. This patch fixes the register offset so that correct values are populated on read. Fixes: b747923afff8 ("octeontx2-af: Exact match support") Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by: Sunil K...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c index 20ebb9c95c73..6597af84aa36 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c @@ -1868,9 +1868,...
c60a6b90e7890453f09e0d2163d6acadabe3415b
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix start and end bit for scan config
Problem Details: In the current driver, NPC exact match feature was not getting enabled as configured bit was not read properly. for_each_set_bit_from() need end bit as one bit post position in the bit map to read NPC exact nibble enable bits properly. This patch fixes the same. Fixes: b747923afff8 ("octeontx2-af: Exa...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index 006beb5cf98d..f15efd41972e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -594,8 +594,7 @@ stati...
048486f81d01db4d100af021ee2ea211d19732a0
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Secure APR table update with the lock
Problem Details: APR table contains the lmtst base address of PF/VFs. These entries are updated by the PF/VF during the device probe. The lmtst address is fetched from HW using "TXN_REQ" and "ADDR_RSP_STS" registers. The lock tries to protect these registers from getting overwritten when multiple PFs invokes rvu_get_lm...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c index 4ad9ff025c96..0e74c5a2231e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c @@ -60,13 +60,14 @@ static in...
c1592a89942e9678f7d9c8030efa777c0d57edab
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: deactivate anonymous set from preparation phase
Problem Details: Toggle deleted anonymous sets as inactive in the next generation, so users cannot perform any update on it. Clear the generation bitmask in case the transaction is aborted. The following KASAN splat shows a set element deletion for a bound anonymous set that has been already removed in the same transa...
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 3ed21d2d5659..2e24ea1d744c 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -619,6 +619,7 @@ struct nft_set_binding { }; enum nft_trans_phase; +void nf_tables_activate_set(const ...
de4773f0235acf74554f6a64ea60adc0d7b01895
Analyze and fix the following issue in the Linux kernel code: selftests: netfilter: fix libmnl pkg-config usage
Problem Details: 1. Don't hard-code pkg-config 2. Remove distro-specific default for CFLAGS 3. Use pkg-config for LDLIBS Fixes: a50a88f026fb ("selftests: netfilter: fix a build error on openSUSE") Suggested-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Pablo Neira...
```diff diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile index 4504ee07be08..3686bfa6c58d 100644 --- a/tools/testing/selftests/netfilter/Makefile +++ b/tools/testing/selftests/netfilter/Makefile @@ -8,8 +8,11 @@ TEST_PROGS := nft_trans_stress.sh nft_fib.sh nft_nat.sh ...
8509f62b0b07ae8d6dec5aa9613ab1b250ff632f
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: hit ENOENT on unexisting chain/flowtable update with missing attributes
Problem Details: If user does not specify hook number and priority, then assume this is a chain/flowtable update. Therefore, report ENOENT which provides a better hint than EINVAL. Set on extended netlink error report to refer to the chain name. Fixes: 5b6743fb2c2a ("netfilter: nf_tables: skip flowtable hooknum and pr...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 09542951656c..8b6c61a2196c 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2075,8 +2075,10 @@ static int nft_chain_parse_hook(struct net *net, if (!basechain) { if (!ha[NFTA_HOOK_HOOKNUM] |...
e4212ed0ba58264fbe7706c5493b9600339f60ae
Analyze and fix the following issue in the Linux kernel code: ALSA: docs: Fix code block indentation in ALSA driver example
Problem Details: Sphinx reports htmldocs warnings: Documentation/sound/kernel-api/writing-an-alsa-driver.rst:3997: WARNING: Literal block expected; none found. Documentation/sound/kernel-api/writing-an-alsa-driver.rst:4004: WARNING: Literal block expected; none found. Documentation/sound/kernel-api/writing-an-alsa-dri...
```diff diff --git a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst index c0f97b5e4249..4335c98b3d82 100644 --- a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst +++ b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst @@ -3994,21 +...
c8c2969bfcba5fcba3a5b078315c1b586d927d9f
Analyze and fix the following issue in the Linux kernel code: drm/i915/dsi: Use unconditional msleep() instead of intel_dsi_msleep()
Problem Details: The intel_dsi_msleep() helper skips sleeping if the MIPI-sequences have a version of 3 or newer and the panel is in vid-mode. This is based on the big comment around line 730 which starts with "Panel enable/disable sequences from the VBT spec.", where the "v3 video mode seq" column does not have any w...
```diff diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index ad78148e0788..c9aeba0ecf91 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1140,7 +1140,7 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) ...
6ece90e3665a9b7fb2637fcca26cebd42991580b
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Add the missing CPU transcoder mask in intel_device_info
Problem Details: CPU transcoder mask is used to iterate over the available CPU transcoders in the macro for_each_cpu_transcoder(). The macro is broken on MTL and got highlighted when audio state was being tracked for each transcoder added in [1]. Add the missing CPU transcoder mask which is similar to ADL-P mask but ...
```diff diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index cddb6e197972..2a012da8ccfa 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -1134,6 +1134,8 @@ static const struct intel_gt_definition xelpmp_extra_gt[] = { static const struct intel_device...
1816f4a17f54a01afa2f06d6571c39890b97d282
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Actually return an error if GuC version range check fails
Problem Details: Dan Carpenter pointed out that 'err' was not being set in the case where the GuC firmware version range check fails. Fix that. Note that while this is a bug fix for a previous patch (see Fixes tag below). It is an exceedingly low risk bug. The range check is asserting that the GuC firmware version is ...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index 24765c30a0e1..c36e68e23a14 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -635,9 +635,10 @@ static bool is_ver_8bit(struct intel_uc_fw_ver *ver) retur...
0b891c83d8c54cb70e186456c2191adb5fd98c56
Analyze and fix the following issue in the Linux kernel code: module: include internal.h in module/dups.c
Problem Details: Two newly introduced functions are declared in a header that is not included before the definition, causing a warning with sparse or 'make W=1': kernel/module/dups.c:118:6: error: no previous prototype for 'kmod_dup_request_exists_wait' [-Werror=missing-prototypes] 118 | bool kmod_dup_request_exists...
```diff diff --git a/kernel/module/dups.c b/kernel/module/dups.c index aa8e1361fdb5..f3d7ea1e96d8 100644 --- a/kernel/module/dups.c +++ b/kernel/module/dups.c @@ -32,6 +32,8 @@ #include <linux/async.h> #include <linux/uaccess.h> +#include "internal.h" + #undef MODULE_PARAM_PREFIX #define MODULE_PARAM_PREFIX "modu...
c6d96df9fa2c1d19525239d4262889cce594ce6c
Analyze and fix the following issue in the Linux kernel code: net: ethernet: mtk_eth_soc: drop generic vlan rx offload, only use DSA untagging
Problem Details: Through testing I found out that hardware vlan rx offload support seems to have some hardware issues. At least when using multiple MACs and when receiving tagged packets on the secondary MAC, the hardware can sometimes start to emit wrong tags on the first MAC as well. In order to avoid such issues, d...
```diff diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 9e948d091a69..a75fd072082c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1918,9 +1918,7 @@ static int mtk_poll_rx(struct napi_struct *napi...
31c6ed4e89187beef8fe2f979c8881ca94839427
Analyze and fix the following issue in the Linux kernel code: clk: starfive: Fix RESET_STARFIVE_JH7110 can't be selected in a specified case
Problem Details: When (ARCH_STARFIVE [=n] && COMPILE_TEST [=y] && RESET_CONTROLLER [=n]), RESET_STARFIVE_JH7110 can't be selected by CLK_STARFIVE_JH7110_SYS and CLK_STARFIVE_JH7110_AON. Add a condition `if RESET_CONTROLLER` to fix it. Also, delete redundant selected options of CLK_STARFIVE_JH7110_AON because these opt...
```diff diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 71c1148ee5f6..5d2333106f13 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -26,7 +26,7 @@ config CLK_STARFIVE_JH7110_SYS depends on ARCH_STARFIVE || COMPILE_TEST select AUXILIARY_BUS select CLK_S...
5c667d5a5a3ec16609229dddf25a46654186b52b
Analyze and fix the following issue in the Linux kernel code: clk: sp7021: Adjust width of _m in HWM_FIELD_PREP()
Problem Details: When building with clang + W=1, there is a warning around an internal comparison check within the FIELD_PREP() macro, due to a 32-bit variable comparison against ~0ull: drivers/clk/clk-sp7021.c:316:8: error: result of comparison of constant 18446744073709551615 with expression of type 'typeof (_Gene...
```diff diff --git a/drivers/clk/clk-sp7021.c b/drivers/clk/clk-sp7021.c index 8fec14120105..11d22043ddd7 100644 --- a/drivers/clk/clk-sp7021.c +++ b/drivers/clk/clk-sp7021.c @@ -41,7 +41,7 @@ enum { /* HIWORD_MASK FIELD_PREP */ #define HWM_FIELD_PREP(mask, value) \ ({ \ - u32 _m = mask; \ + u64 _m = mask; ...
6152e53d9671b0ccc21c1bca842617b32ccfc5d8
Analyze and fix the following issue in the Linux kernel code: mm: change per-VMA lock statistics to be disabled by default
Problem Details: Change CONFIG_PER_VMA_LOCK_STATS to be disabled by default, as most users don't need it. Add configuration help to clarify its usage. Link: https://lkml.kernel.org/r/20230428173533.18158-1-surenb@google.com Fixes: 52f238653e45 ("mm: introduce per-VMA lock statistics") Signed-off-by: Suren Baghdasarya...
```diff diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index 6dae63b46368..a925415b4d10 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -274,6 +274,12 @@ config DEBUG_KMEMLEAK_AUTO_SCAN config PER_VMA_LOCK_STATS bool "Statistics for per-vma locks" depends on PER_VMA_LOCK - default y help - Statistics...
00ca0f2e86bf40b016a646e6323a8941a09cf106
Analyze and fix the following issue in the Linux kernel code: mm/mempolicy: correctly update prev when policy is equal on mbind
Problem Details: The refactoring in commit f4e9e0e69468 ("mm/mempolicy: fix use-after-free of VMA iterator") introduces a subtle bug which arises when attempting to apply a new NUMA policy across a range of VMAs in mbind_range(). The refactoring passes a **prev pointer to keep track of the previous VMA in order to red...
```diff diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 2068b594dc88..1756389a0609 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -808,8 +808,10 @@ static int mbind_range(struct vma_iterator *vmi, struct vm_area_struct *vma, vmstart = vma->vm_start; } - if (mpol_equal(vma_policy(vma), new_pol)) + if (mpo...
43ec16f1450f4936025a9bdf1a273affdb9732c1
Analyze and fix the following issue in the Linux kernel code: relayfs: fix out-of-bounds access in relay_file_read
Problem Details: There is a crash in relay_file_read, as the var from point to the end of last subbuf. The oops looks something like: pc : __arch_copy_to_user+0x180/0x310 lr : relay_file_read+0x20c/0x2c8 Call trace: __arch_copy_to_user+0x180/0x310 full_proxy_read+0x68/0x98 vfs_read+0xb0/0x1d0 ksys_read+0x6c/0xf0 ...
```diff diff --git a/kernel/relay.c b/kernel/relay.c index 9aa70ae53d24..a80fa01042e9 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -989,7 +989,8 @@ static size_t relay_file_read_start_pos(struct rchan_buf *buf) size_t subbuf_size = buf->chan->subbuf_size; size_t n_subbufs = buf->chan->n_subbufs; size_t con...
29083fd84da576bfb3563d044f98d38e6b338f00
Analyze and fix the following issue in the Linux kernel code: kasan: hw_tags: avoid invalid virt_to_page()
Problem Details: When booting with 'kasan.vmalloc=off', a kernel configured with support for KASAN_HW_TAGS will explode at boot time due to bogus use of virt_to_page() on a vmalloc adddress. With CONFIG_DEBUG_VIRTUAL selected this will be reported explicitly, and with or without CONFIG_DEBUG_VIRTUAL the kernel will de...
```diff diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index f98b9f4d9d3e..06141bbc1e51 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -285,7 +285,7 @@ static void init_vmalloc_pages(const void *start, unsigned long size) const void *addr; for (addr = start; addr < start + size; addr += PAGE_SI...
245f0922689364b21163af4937a05ea0ba576fae
Analyze and fix the following issue in the Linux kernel code: mm: hwpoison: coredump: support recovery from dump_user_range()
Problem Details: dump_user_range() is used to copy the user page to a coredump file, but if a hardware memory error occurred during copy, which called from __kernel_write_iter() in dump_user_range(), it crashes, CPU: 112 PID: 7014 Comm: mca-recover Not tainted 6.3.0-rc2 #425 pc : __memcpy+0x110/0x260 lr : _copy...
```diff diff --git a/fs/coredump.c b/fs/coredump.c index 5df1e6e1eb2b..ece7badf701b 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -882,6 +882,7 @@ static int dump_emit_page(struct coredump_params *cprm, struct page *page) pos = file->f_pos; bvec_set_page(&bvec, page, PAGE_SIZE, 0); iov_iter_bvec(&iter, ITER_S...
70307b0e297a6634be855c49525ccbea50922a90
Analyze and fix the following issue in the Linux kernel code: mm/damon/paddr: fix missing folio_sz update in damon_pa_young()
Problem Details: The *folio_sz in damon_pa_young() will be used(as last_folio_sz) by __damon_pa_check_access(), so it's need to be updated, fix missing branch. Link: https://lkml.kernel.org/r/20230308083311.120951-4-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: SeongJa...
```diff diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b22f6fbb5816..467b99166b43 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -134,10 +134,8 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz) } need_lock = !folio_test_anon(folio) || folio_test_ksm(folio); - if (need_lo...
dd411433129c07a3bea43a0cc5ad9587bac1736a
Analyze and fix the following issue in the Linux kernel code: mm/damon/paddr: minor refactor of damon_pa_pageout()
Problem Details: Patch series "mm/damon/paddr: minor code improvement", v3. Unify folio_put() to make code more clear, and also fix minor issue in damon_pa_young(). This patch (of 3): Omit three lines by unified folio_put(), and make code more clear. Link: https://lkml.kernel.org/r/20230308083311.120951-1-wangkefe...
```diff diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index dd9c33fbe805..0db724aec5cb 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -238,21 +238,18 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s) if (!folio) continue; - if (damos_pa_filter_out(s, folio)) { - f...
e0f41f836f5e861bdcaf4719f160b62dbb8e9485
Analyze and fix the following issue in the Linux kernel code: Input: tests - modular KUnit tests should not depend on KUNIT=y
Problem Details: While KUnit tests that cannot be built as a loadable module must depend on "KUNIT=y", this is not true for modular tests, where it adds an unnecessary limitation. Fix this by relaxing the dependency to "KUNIT". Fixes: fdefcbdd6f361841 ("Input: Add KUnit tests for some of the input core helper functio...
```diff diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig index 735f90b74ee5..3bdbd34314b3 100644 --- a/drivers/input/Kconfig +++ b/drivers/input/Kconfig @@ -168,7 +168,7 @@ config INPUT_EVBUG config INPUT_KUNIT_TEST tristate "KUnit tests for Input" if !KUNIT_ALL_TESTS - depends on INPUT && KUNIT=y + depe...
fd75f3694b1dd5070408ea4a58ca7f8e0a3fcbcd
Analyze and fix the following issue in the Linux kernel code: Input: tests - fix use-after-free and refcount underflow in input_test_exit()
Problem Details: With CONFIG_DEBUG_SLAB=y: # Subtest: input_core 1..3 input: Test input device as /devices/virtual/input/input1 8<--- cut here --- Unable to handle kernel paging request at virtual address 6b6b6dd7 when read ... __lock_acquire from lock_acquire+0x26c/0x300 lock...
```diff diff --git a/drivers/input/tests/input_test.c b/drivers/input/tests/input_test.c index e5a6c1ad2167..8b8ac3412a70 100644 --- a/drivers/input/tests/input_test.c +++ b/drivers/input/tests/input_test.c @@ -43,8 +43,8 @@ static void input_test_exit(struct kunit *test) { struct input_dev *input_dev = test->priv; ...
5aa857db54ad2e963d65e234f7e4c183cd89c993
Analyze and fix the following issue in the Linux kernel code: i915/pmu: Add support for total context runtime for GuC back-end
Problem Details: GPU accumulates the context runtime in a 32 bit counter - CTX_TIMESTAMP in the context image. This value is saved/restored on context switches. KMD accumulates these values into a 64 bit counter taking care of any overflows as needed. This count provides the basis for client specific busyness in the fd...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 2aa63ec521b8..a53b26178f0a 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -578,10 +578,13 @@ void intel_context_bind_parent_child(struct intel_context *pare...
be8ca5f4bcdb8f12f75e0fc64f37a13657440f22
Analyze and fix the following issue in the Linux kernel code: docs: fix "Reviewd" typo
Problem Details: Spell "Reviewed" properly in Documentation/Translations/jp/SubmittingPatches Signed-off-by: Deming Wang <wangdeming@inspur.com> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/r/20230502010157.1655-1-wangdeming@inspur.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
```diff diff --git a/Documentation/translations/ja_JP/SubmittingPatches b/Documentation/translations/ja_JP/SubmittingPatches index 04deb77b20c6..5334db471744 100644 --- a/Documentation/translations/ja_JP/SubmittingPatches +++ b/Documentation/translations/ja_JP/SubmittingPatches @@ -450,7 +450,7 @@ Reviewed-by: タグは、それとは...
4c093cbb89f32762555f624882f1d31a79237eaf
Analyze and fix the following issue in the Linux kernel code: Documentation: timers: hrtimers: Make hybrid union historical
Problem Details: Non-scalar time was removed from the ktime hybrid union in v3.17, and the union itself followed suit in v4.10. Make it clear that ktime_t is always a 64bit scalar type, to avoid confusing the casual reader. While at it, fix a spelling mistake. Fixes: 24e4a8c3e8868874 ("ktime: Kill non-scalar ktime_t...
```diff diff --git a/Documentation/timers/hrtimers.rst b/Documentation/timers/hrtimers.rst index 7ac448908d1f..f88ff8bae89c 100644 --- a/Documentation/timers/hrtimers.rst +++ b/Documentation/timers/hrtimers.rst @@ -123,17 +123,12 @@ equivalent to timer_delete() and timer_delete_sync()] - so there's no direct potential...
9ea4eff4b6f4f36546d537a74da44fd3f30903ab
Analyze and fix the following issue in the Linux kernel code: afs: Avoid endless loop if file is larger than expected
Problem Details: afs_read_dir fetches an amount of data that's based on what the inode size is thought to be. If the file on the server is larger than what was fetched, the code rechecks i_size and retries. If the local i_size was not properly updated, this can lead to an endless loop of fetching i_size from the serv...
```diff diff --git a/fs/afs/dir.c b/fs/afs/dir.c index f92b9e62d567..4dd97afa536c 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -275,6 +275,7 @@ static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key) loff_t i_size; int nr_pages, i; int ret; + loff_t remote_size = 0; _enter(""); @@...
45f66fa03ba9943cca5af88d691399332b8bde08
Analyze and fix the following issue in the Linux kernel code: afs: Fix getattr to report server i_size on dirs, not local size
Problem Details: Fix afs_getattr() to report the server's idea of the file size of a directory rather than the local size. The local size may differ as we edit the local copy to avoid having to redownload it and we may end up with a differently structured blob of a different size. However, if the directory is discard...
```diff diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 82edd3351734..866bab860a88 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -450,7 +450,7 @@ static void afs_get_inode_cache(struct afs_vnode *vnode) 0 : FSCACHE_ADV_SINGLE_CHUNK, &key, sizeof(key), &aux, sizeof(aux), - vnod...
d7f74e9a917503ee78f2b603a456d7227cf38919
Analyze and fix the following issue in the Linux kernel code: afs: Fix updating of i_size with dv jump from server
Problem Details: If the data version returned from the server is larger than expected, the local data is invalidated, but we may still want to note the remote file size. Since we're setting change_size, we have to also set data_changed for the i_size to get updated. Fixes: 3f4aa9818163 ("afs: Fix EOF corruption") Sig...
```diff diff --git a/fs/afs/inode.c b/fs/afs/inode.c index b1bdffd5e888..82edd3351734 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -230,6 +230,7 @@ static void afs_apply_status(struct afs_operation *op, set_bit(AFS_VNODE_ZAP_DATA, &vnode->flags); } change_size = true; + data_changed = true; } else i...
90c49fce1c43e1cc152695e20363ff5087897c09
Analyze and fix the following issue in the Linux kernel code: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname
Problem Details: TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs. Cc: stable@vger.kernel.org Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <stfren...
```diff diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index e9c8c088d948..d4ed200a9471 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -280,8 +280,10 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) seq_printf(m, "\n%d) ConnectionId: 0x%llx ", c, server->conn_id); ...
1810769e3a51375ca35d7a5e5f79542858ca495a
Analyze and fix the following issue in the Linux kernel code: cifs: print smb3_fs_context::source when mounting
Problem Details: Print full device name (UNC + optional prefix) from @old_ctx->source when printing info about mount. Before patch mount.cifs //srv/share/dir /mnt -o ... dmesg ... CIFS: Attempting to mount \\srv\share After patch mount.cifs //srv/share/dir /mnt -o ... dmesg ... CIFS: Attempting to m...
```diff diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index ac9034fce409..32f7c81a7b89 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -874,14 +874,12 @@ cifs_smb3_do_mount(struct file_system_type *fs_type, struct cifs_mnt_data mnt_data; struct dentry *root; - /* - * Prints in Kernel / CIFS log the at...
e7db9e5c6b9615b287d01f0231904fbc1fbde9c5
Analyze and fix the following issue in the Linux kernel code: btrfs: fix encoded write i_size corruption with no-holes
Problem Details: We have observed a btrfs filesystem corruption on workloads using no-holes and encoded writes via send stream v2. The symptom is that a file appears to be truncated to the end of its last aligned extent, even though the final unaligned extent and even the file extent and otherwise correctly updated ino...
```diff diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 018c711a0bc8..cd4cce9ba443 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -52,13 +52,13 @@ void btrfs_inode_safe_disk_i_size_write(struct btrfs_inode *inode, u64 new_i_siz u64 start, end, i_size; int ret; + spin_lock(&inode->l...
4df69e0df295822cdf816442fe4897f214cccb08
Analyze and fix the following issue in the Linux kernel code: arm64: kernel: remove SHF_WRITE|SHF_EXECINSTR from .idmap.text
Problem Details: commit d54170812ef1 ("arm64: fix .idmap.text assertion for large kernels") modified some of the section assembler directives that declare .idmap.text to be SHF_ALLOC instead of SHF_ALLOC|SHF_WRITE|SHF_EXECINSTR. This patch fixes up the remaining stragglers that were left behind. Add Fixes tag so that...
```diff diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S index 6b752fe89745..c87445dde674 100644 --- a/arch/arm64/kernel/cpu-reset.S +++ b/arch/arm64/kernel/cpu-reset.S @@ -14,7 +14,7 @@ #include <asm/virt.h> .text -.pushsection .idmap.text, "awx" +.pushsection .idmap.text, "a" /*...
eda081d2efac50c9b314df7fb340a62306a7b07a
Analyze and fix the following issue in the Linux kernel code: arm64: cpufeature: Fix pointer auth hwcaps
Problem Details: The pointer auth hwcaps are not getting reported to userspace, as they are missing the .matches field. Add the field back. Fixes: 876e3c8efe79 ("arm64/cpufeature: Pull out helper for CPUID register definitions") Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com> Reviewed-by: Mark Brown <br...
```diff diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 1bdad599e769..d26a11f78b9f 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2657,26 +2657,26 @@ static const struct arm64_cpu_capabilities arm64_features[] = { #ifdef CONFIG_ARM64_PTR_AUTH st...
9b86c49710eec7b4fbb78a0232b2dd0972a2b576
Analyze and fix the following issue in the Linux kernel code: perf tracepoint: Fix memory leak in is_valid_tracepoint()
Problem Details: When is_valid_tracepoint() returns 1, need to call put_events_file() to free `dir_path`. Fixes: 25a7d914274de386 ("perf parse-events: Use get/put_events_file()") Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@l...
```diff diff --git a/tools/perf/util/tracepoint.c b/tools/perf/util/tracepoint.c index 89ef56c43311..92dd8b455b90 100644 --- a/tools/perf/util/tracepoint.c +++ b/tools/perf/util/tracepoint.c @@ -50,6 +50,7 @@ int is_valid_tracepoint(const char *event_string) sys_dirent->d_name, evt_dirent->d_name); if (!strcm...
6bf86cada3eb8ec3eb80cdce5280e7a22dac8b01
Analyze and fix the following issue in the Linux kernel code: perf cs-etm: Add fix for coresight trace for any range of CPUs
Problem Details: The current implementation supports coresight trace decode for a range of CPUs, if the first CPU is CPU0. Perf report segfaults, if tried for sparse CPUs list and also for any range of CPUs(non zero first CPU). Adding a fix to perf report for any range of CPUs and for sparse list. Signed-off-by: Gan...
```diff diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 456994564d6e..91299cc56bf7 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -290,6 +290,25 @@ static int cs_etm__metadata_set_trace_id(u8 trace_chan_id, u64 *cpu_metadata) (typeof(_mask))(((_reg) & (_mask)) >> __bf_...
d199226143f0ef6919131120319766ece514314e
Analyze and fix the following issue in the Linux kernel code: perf build: Fix unescaped # in perf build-test
Problem Details: With the following bash and make versions: $ make --version GNU Make 4.2.1 Built for aarch64-unknown-linux-gnu $ bash --version GNU bash, version 5.0.17(1)-release (aarch64-unknown-linux-gnu) This error is encountered when running the build-test target: $ make -C tools/perf build-test ...
```diff diff --git a/tools/perf/tests/make b/tools/perf/tests/make index d75876126631..8dd3f8090352 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -178,7 +178,7 @@ run += make_install_prefix_slash # run += make_install_pdf run += make_minimal -old_libbpf := $(shell echo "#include <bpf/libbpf.h>" ...
1511e4696acb715a4fe48be89e1e691daec91c0e
Analyze and fix the following issue in the Linux kernel code: perf symbols: Fix return incorrect build_id size in elf_read_build_id()
Problem Details: In elf_read_build_id(), if gnu build_id is found, should return the size of the actually copied data. If descsz is greater thanBuild_ID_SIZE, write_buildid data access may occur. Fixes: be96ea8ffa788dcc ("perf symbols: Fix issue with binaries using 16-bytes buildids (v2)") Reported-by: Will Ochowicz <...
```diff diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 2a165d83aac4..ca75285aa656 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -886,7 +886,7 @@ static int elf_read_build_id(Elf *elf, void *bf, size_t size) size_t sz = min(size, descsz); memcpy...
7586d11d36fad5e6a28736be7ac8f9495e28289a
Analyze and fix the following issue in the Linux kernel code: perf list: Fix memory leaks in print_tracepoint_events()
Problem Details: It should free entries (not only the array) filled by scandirat() after use. Reviewed-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra...
```diff diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c index 386b1ab0b60e..f5b2ea0c4fa1 100644 --- a/tools/perf/util/print-events.c +++ b/tools/perf/util/print-events.c @@ -83,11 +83,11 @@ void print_tracepoint_events(const struct print_callbacks *print_cb __maybe_unus if (sys_dirent->d...
b9f82b5c63bf5390da19e879275a792a959a8dac
Analyze and fix the following issue in the Linux kernel code: perf lock contention: Rework offset calculation with BPF CO-RE
Problem Details: It seems BPF CO-RE reloc doesn't work well with the pattern that gets the field-offset only. Use offsetof() to make it explicit so that the compiler would generate the correct code. Fixes: 0c1228486befa3d6 ("perf lock contention: Support pre-5.14 kernels") Signed-off-by: Namhyung Kim <namhyung@kernel...
```diff diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c index 30c193078bdb..8d3cfbb3cc65 100644 --- a/tools/perf/util/bpf_skel/lock_contention.bpf.c +++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c @@ -429,21 +429,21 @@ struct rq___new { SEC("raw_tp/bpf_...
e53de7b65a3ca59af268c78df2d773f277f717fd
Analyze and fix the following issue in the Linux kernel code: perf lock contention: Fix struct rq lock access
Problem Details: The BPF CO-RE's ignore suffix rule requires three underscores. Otherwise it'd fail like below: $ sudo perf lock contention -ab libbpf: prog 'collect_lock_syms': BPF program load failed: Invalid argument libbpf: prog 'collect_lock_syms': -- BEGIN PROG LOAD LOG -- reg type unsupported for arg#0 ...
```diff diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c index 8911e2a077d8..30c193078bdb 100644 --- a/tools/perf/util/bpf_skel/lock_contention.bpf.c +++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c @@ -418,11 +418,11 @@ int contention_end(u64 *ctx) ext...
b8969a1b69672b163d057e7745ebc915df689211
Analyze and fix the following issue in the Linux kernel code: crypto: api - Fix CRYPTO_USER checks for report function
Problem Details: Checking the config via ifdef incorrectly compiles out the report functions when CRYPTO_USER is set to =m. Fix it by using IS_ENABLED() instead. Fixes: c0f9e01dd266 ("crypto: api - Check CRYPTO_USER instead of NET for report") Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Herbert...
```diff diff --git a/crypto/acompress.c b/crypto/acompress.c index 82a290df2822..1c682810a484 100644 --- a/crypto/acompress.c +++ b/crypto/acompress.c @@ -125,7 +125,7 @@ static const struct crypto_type crypto_acomp_type = { #ifdef CONFIG_PROC_FS .show = crypto_acomp_show, #endif -#ifdef CONFIG_CRYPTO_USER +#if IS_...
0af462f19e635ad522f28981238334620881badc
Analyze and fix the following issue in the Linux kernel code: debugobject: Ensure pool refill (again)
Problem Details: The recent fix to ensure atomicity of lookup and allocation inadvertently broke the pool refill mechanism. Prior to that change debug_objects_activate() and debug_objecs_assert_init() invoked debug_objecs_init() to set up the tracking object for statically initialized objects. That's not longer the ca...
```diff diff --git a/lib/debugobjects.c b/lib/debugobjects.c index b796799fadb2..003edc5ebd67 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -587,6 +587,16 @@ static struct debug_obj *lookup_object_or_alloc(void *addr, struct debug_bucket return NULL; } +static void debug_objects_fill_pool(void) +{ + ...
dbe836576f12743a7d2d170ad4ad4fd324c4d47a
Analyze and fix the following issue in the Linux kernel code: Input: cyttsp4_core - change del_timer_sync() to timer_shutdown_sync()
Problem Details: The watchdog_timer can schedule tx_timeout_task and watchdog_work can also arm watchdog_timer. The process is shown below: ----------- timer schedules work ------------ cyttsp4_watchdog_timer() //timer handler schedule_work(&cd->watchdog_work) ----------- work arms timer ------------ cyttsp4_watchd...
```diff diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c index 0cd6f626adec..7cb26929dc73 100644 --- a/drivers/input/touchscreen/cyttsp4_core.c +++ b/drivers/input/touchscreen/cyttsp4_core.c @@ -1263,9 +1263,8 @@ static void cyttsp4_stop_wd_timer(struct cyttsp4 *cd) * ...
529de2f1ca3f0898c0d905b7d355a43dce1de7dc
Analyze and fix the following issue in the Linux kernel code: Input: cyttsp5 - fix array length
Problem Details: The cmd array should be initialized with the proper command size and not with the actual command value that is sent to the touchscreen. Signed-off-by: Maximilian Weigand <mweigand@mweigand.net> Reviewed-by: Alistair Francis <alistair@alistair23.me> Link: https://lore.kernel.org/r/20230501113010.891786...
```diff diff --git a/drivers/input/touchscreen/cyttsp5.c b/drivers/input/touchscreen/cyttsp5.c index 30102cb80fac..3c9d07218f48 100644 --- a/drivers/input/touchscreen/cyttsp5.c +++ b/drivers/input/touchscreen/cyttsp5.c @@ -560,7 +560,7 @@ static int cyttsp5_hid_output_get_sysinfo(struct cyttsp5 *ts) static int cyttsp5...
c2d3c8441e3ddbfe41fea9282ddc6ee372e154cd
Analyze and fix the following issue in the Linux kernel code: RISC-V: include cpufeature.h in cpufeature.c
Problem Details: Automation complains: warning: symbol '__pcpu_scope_misaligned_access_speed' was not declared. Should it be static? cpufeature.c doesn't actually include the header of the same name, as it had not previously used anything from it. The per-cpu variable is declared there, so include it to silence the co...
```diff diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 52585e088873..00f9f57a8566 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -14,6 +14,7 @@ #include <linux/of.h> #include <asm/alternative.h> #include <asm/cacheflush.h> +#include <asm/cpufea...
d09dbc7a018c4d479d7ab0d3b4f6a3211b110923
Analyze and fix the following issue in the Linux kernel code: Input: drv260x - fix magnitude handling
Problem Details: First of all, previously the 16-bit magnitude was written as-is to the device which actually discarded the upper 8 bits since the device has 8-bit registers only. This meant that a strong_magnitude of 0xFF00 would result in 0. To correct this shift the strong_magnitude / weak_magnitude input values so ...
```diff diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index a7e3120bdc13..f5e96b36acda 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -186,7 +186,7 @@ struct drv260x_data { struct work_struct work; struct gpio_desc *enable_gpio; struct regulator *regulat...
980626ec1ca82a10dc04026a79dcbade23cc3438
Analyze and fix the following issue in the Linux kernel code: Input: drv260x - remove unused .reg_defaults
Problem Details: Since the driver has disabled regmap caching with REGCACHE_NONE, it's warning us that we provide defaults that are not used. Remove them. [ 0.561159] drv260x-haptics 0-005a: No cache used with register defaults set! Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver") Signed-of...
```diff diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 884d43eb4b61..a7e3120bdc13 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -193,44 +193,6 @@ struct drv260x_data { int overdrive_voltage; }; -static const struct reg_default drv260x_reg_defs[] = {...
efef661dfa6bf8cbafe4cd6a97433fcef0118967
Analyze and fix the following issue in the Linux kernel code: Input: drv260x - sleep between polling GO bit
Problem Details: When doing the initial startup there's no need to poll without any delay and spam the I2C bus. Let's sleep 15ms between each attempt, which is the same time as used in the vendor driver. Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver") Signed-off-by: Luca Weiss <luca@z3ntu.xyz> ...
```diff diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index e95c4e775b5d..884d43eb4b61 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -435,6 +435,7 @@ static int drv260x_init(struct drv260x_data *haptics) } do { + usleep_range(15000, 15500); error = ...
116721a560d66dee488f291a1d218b5fc6050678
Analyze and fix the following issue in the Linux kernel code: Input: drv260x - fix typo in register value define
Problem Details: ANANLOG should be ANALOG. Fix the typo. Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver") Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Link: https://lore.kernel.org/r/20230430-drv260x-improvements-v1-1-1fb28b4cc698@z3ntu.xyz Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
```diff diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c index 8a9ebfc04a2d..e95c4e775b5d 100644 --- a/drivers/input/misc/drv260x.c +++ b/drivers/input/misc/drv260x.c @@ -149,7 +149,7 @@ /* Control 3 Register */ #define DRV260X_LRA_OPEN_LOOP (1 << 0) -#define DRV260X_ANANLOG_IN (1 << 1) +...
4db9e253e7016e6588620ad02d4ed326107506db
Analyze and fix the following issue in the Linux kernel code: riscv: Move .rela.dyn to the init sections
Problem Details: The recent introduction of relocatable kernels prepared the move of .rela.dyn to the init section, but actually forgot to do so, so do it here. Before this patch: "Freeing unused kernel image (initmem) memory: 2592K" After this patch: "Freeing unused kernel image (initmem) memory: 6288K" The differe...
```diff diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 305877d85e96..f03b5697f8e0 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -104,6 +104,12 @@ SECTIONS *(.rel.dyn*) } + .rela.dyn : ALIGN(8) { + __rela_dyn_start = .; + *(.rela .rel...