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30200ef8d1368f0dee424d5926bd7af0cdc87b54
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Restore overflow checking for attr size in mi_enum_attr
Problem Details: Fixed comment. Removed explicit initialization for INDEX_ROOT. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
```diff diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 8718df791a55..9fefeac5fe7e 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -994,7 +994,7 @@ struct INDEX_ROOT *indx_get_root(struct ntfs_index *indx, struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le = NULL; struct ATTRIB *a; const struct INDE...
0addfb1c2281b5ca2ac02e7dbf6f5a7dbfbc71b9
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Improved checking of attribute's name length
Problem Details: Added comment, added null pointer checking. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
```diff diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 059f28878458..3d2e4c1270e4 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -137,7 +137,13 @@ next_attr: rsize = attr->non_res ? 0 : le32_to_cpu(attr->res.data_size); asize = le32_to_cpu(attr->size); - if (le16_to_cpu(attr->name_off) + attr->na...
fc4992458e0aa2d2e82a25c922e6ac36c2d91083
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Add null pointer checks
Problem Details: Added null pointer checks in function ntfs_security_init. Also added le32_to_cpu in functions ntfs_security_init and indx_read. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
```diff diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c index 8de861ddec60..1f36e89dcff7 100644 --- a/fs/ntfs3/fsntfs.c +++ b/fs/ntfs3/fsntfs.c @@ -1876,10 +1876,12 @@ int ntfs_security_init(struct ntfs_sb_info *sbi) goto out; } - root_sdh = resident_data_ex(attr, sizeof(struct INDEX_ROOT)); - if (root_sdh->t...
e479f0a62a2a4358f25d0d0b60c333e6d881d7c6
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: fix spelling mistake "attibute" -> "attribute"
Problem Details: There is a spelling mistake in comment. Fix it. Signed-off-by: Yu Zhe <yuzhe@nfschina.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
```diff diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index f8043838eb92..4746959af964 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -410,7 +410,7 @@ static noinline int ntfs_set_ea(struct inode *inode, const char *name, /* * 1. Check ea_info.size_pack for overflow. - * 2. New attibute size must fi...
08e8cf5f2d9ec383a2e339a2711b62a54ff3fba0
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Add length check in indx_get_root
Problem Details: This adds a length check to guarantee the retrieved index root is legit. [ 162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320 [ 162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243 [ 162.460851] [ 162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #...
```diff diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 7a1e01a2ed9a..f716487ec8a0 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -994,6 +994,7 @@ struct INDEX_ROOT *indx_get_root(struct ntfs_index *indx, struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le = NULL; struct ATTRIB *a; const struct INDE...
ab84eee4c7ab929996602eda7832854c35a6dda2
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de()
Problem Details: Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806 Read of size 16842960 at addr ffff888079cc0600 by task syz-executor934/3631 Call Trace: memmove+0x25/0x60 mm/kasan/shadow.c:54 hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806 indx_delete...
```diff diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index dc723f03d6bb..bf7396447284 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -2575,7 +2575,7 @@ static int read_next_log_rec(struct ntfs_log *log, struct lcb *lcb, u64 *lsn) return find_log_rec(log, *lsn, lcb); } -static inline bool check_index_h...
98bea253aa28ad8be2ce565a9ca21beb4a9419e5
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Validate MFT flags before replaying logs
Problem Details: Log load and replay is part of the metadata handle flow during mount operation. The $MFT record will be loaded and used while replaying logs. However, a malformed $MFT record, say, has RECORD_FLAG_DIR flag set and contains an ATTR_ROOT attribute will misguide kernel to treat it as a directory, and try ...
```diff diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index ce6bb3bd86b6..059f28878458 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -100,6 +100,12 @@ static struct inode *ntfs_read_mft(struct inode *inode, /* Record should contain $I30 root. */ is_dir = rec->flags & RECORD_FLAG_DIR; + /* MFT_REC_MFT...
8dae4f6341e335a09575be60b4fdf697c732a470
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix NULL dereference in ni_write_inode
Problem Details: Syzbot reports a NULL dereference in ni_write_inode. When creating a new inode, if allocation fails in mi_init function (called in mi_format_new function), mi->mrec is set to NULL. In the error path of this inode creation, mi->mrec is later dereferenced in ni_write_inode. Add a NULL check to prevent N...
```diff diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index f1df52dfab74..912eeb3d3471 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -3258,6 +3258,9 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint) return 0; } + if (!ni->mi.mrec) + goto out; + if (is_rec_inuse(ni->mi...
4f082a7531223a438c757bb20e304f4c941c67a8
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Enhance the attribute size check
Problem Details: This combines the overflow and boundary check so that all attribute size will be properly examined while enumerating them. [ 169.181521] BUG: KASAN: slab-out-of-bounds in run_unpack+0x2e3/0x570 [ 169.183161] Read of size 1 at addr ffff8880094b6240 by task mount/247 [ 169.184046] [ 169.184925] CPU:...
```diff diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c index defce6a5c8e1..abfe004774c0 100644 --- a/fs/ntfs3/record.c +++ b/fs/ntfs3/record.c @@ -220,11 +220,6 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr) return NULL; } - if (off + asize < off) { - /* overflow check */ - ...
b8c44949044e5f7f864525fdffe8e95135ce9ce5
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix OOB read in indx_insert_into_buffer
Problem Details: Syzbot reported a OOB read bug: BUG: KASAN: slab-out-of-bounds in indx_insert_into_buffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 Read of size 17168 at addr ffff8880255e06c0 by task syz-executor308/3630 Call Trace: <TASK> memmove+0x25/0x60 mm/kasan/shadow.c:54 indx_insert_into_buffer+0xaa3/0x13b0 fs/nt...
```diff diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 51ab75954640..ae9616becec1 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -725,9 +725,13 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx, u32 e_size, e_key_len; u32 end = le32_to_cpu(hdr->used); u32 off = le32_to_cpu(hdr->d...
db2a3cc6a3481076da6344cc62a80a4e2525f36f
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode'
Problem Details: Syzbot found the following issue: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000016 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ...
```diff diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c index 567563771bf8..8de861ddec60 100644 --- a/fs/ntfs3/fsntfs.c +++ b/fs/ntfs3/fsntfs.c @@ -1683,6 +1683,7 @@ struct ntfs_inode *ntfs_new_inode(struct ntfs_sb_info *sbi, CLST rno, bool dir) out: if (err) { + make_bad_inode(inode); iput(inode); ni = ...
254e69f284d7270e0abdc023ee53b71401c3ba0c
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()
Problem Details: Syzbot reported a null-ptr-deref bug: ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ntfs3: loop0: Mark volume as dirty due to NTFS errors general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in...
```diff diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index 407fe92394e2..8d206770d8c6 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -88,6 +88,16 @@ static struct dentry *ntfs_lookup(struct inode *dir, struct dentry *dentry, __putname(uni); } + /* + * Check for a null pointer + * If the MFT record...
e6c3cef24cb0d045f99d5cb039b344874e3cfd74
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Add check for kmemdup
Problem Details: Since the kmemdup may return NULL pointer, it should be better to add check for the return value in order to avoid NULL pointer dereference. Fixes: b46acd6a6a62 ("fs/ntfs3: Add NTFS journal") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@pa...
```diff diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index c6eb371a3695..dc723f03d6bb 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -4256,6 +4256,10 @@ check_attribute_names: rec_len -= t32; attr_names = kmemdup(Add2Ptr(lrh, t32), rec_len, GFP_NOFS); + if (!attr_names) { + err = -ENOMEM; + goto ou...
bfa434c60157c9793e9b12c9b68ade02aff9f803
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix memory leak if ntfs_read_mft failed
Problem Details: Label ATTR_ROOT in ntfs_read_mft() sets is_root = true and ni->ni_flags |= NI_FLAG_DIR, then next attr will goto label ATTR_ALLOC and alloc ni->dir.alloc_run. However two states are not always consistent and can make memory leak. 1) attr_name in ATTR_ROOT does not fit the condition it will set is_ro...
```diff diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 309d9b46b5d5..ce6bb3bd86b6 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -259,7 +259,6 @@ next_attr: goto out; root = Add2Ptr(attr, roff); - is_root = true; if (attr->name_len != ARRAY_SIZE(I30_NAME) || memcmp(attr_name(attr)...
0203471df1d5242ab63692ddd9e95f37f0cddadc
Analyze and fix the following issue in the Linux kernel code: fs/ntfs3: Fix wrong cast in xattr.c
Problem Details: cpu_to_be32 and be32_to_cpu respectively return and receive __be32, change the cast to the correct types. Fixes the following sparse warnings: fs/ntfs3/xattr.c:811:48: sparse: sparse: incorrect type in assignment (different base types) fs/ntfs3/xattr.c:901:34: sparse: sparse: ...
```diff diff --git a/fs/ntfs3/xattr.c b/fs/ntfs3/xattr.c index ff64302e87e5..f8043838eb92 100644 --- a/fs/ntfs3/xattr.c +++ b/fs/ntfs3/xattr.c @@ -780,7 +780,7 @@ static int ntfs_getxattr(const struct xattr_handler *handler, struct dentry *de, err = sizeof(u32); *(u32 *)buffer = le32_to_cpu(ni->std_fa); if ...
fd6435ea32d9243d116dbf50e7f1a8b33e01262b
Analyze and fix the following issue in the Linux kernel code: drm/i915/reg: use the correct register to access SAGV block time
Problem Details: Wrong register address is used to read the SAG block time. Fix the register address according to the bspec. Bspec: 64608 Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Signed-off-by: Stanislav Lisovskiy <stanislav.li...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3abfda4c7a3f..f0f7b578b726 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7740,7 +7740,7 @@ enum skl_power_gate { #define MTL_LATENCY_LEVEL_EVEN_MASK REG_GENMASK(12, 0) #define MTL_LA...
ff168b37a96736c892007730e703e74d5a23ca48
Analyze and fix the following issue in the Linux kernel code: drm/i915/reg: fix QGV points register access offsets
Problem Details: Wrong offsets are calculated to read QGV point registers. Fix it to read from the correct registers. Bspec: 64602 Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0e1e3a6fd1cb..3abfda4c7a3f 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7748,12 +7748,13 @@ enum skl_power_gate { #define MTL_N_OF_POPULATED_CH_MASK REG_GENMASK(7, 4) #define MTL...
2b4c99f7d9a57ecd644eda9b1fb0a1072414959f
Analyze and fix the following issue in the Linux kernel code: can: bcm: bcm_tx_setup(): fix KMSAN uninit-value in vfs_write
Problem Details: Syzkaller reported the following issue: ===================================================== BUG: KMSAN: uninit-value in aio_rw_done fs/aio.c:1520 [inline] BUG: KMSAN: uninit-value in aio_write+0x899/0x950 fs/aio.c:1600 aio_rw_done fs/aio.c:1520 [inline] aio_write+0x899/0x950 fs/aio.c:1600 io_subm...
```diff diff --git a/net/can/bcm.c b/net/can/bcm.c index 27706f6ace34..a962ec2b8ba5 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -941,6 +941,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, cf = op->frames + op->cfsiz * i; err = memcpy_from_msg((u8 *)cf, msg, op->cfsiz); + ...
170848d4060d40220194c0af19f977a582f08922
Analyze and fix the following issue in the Linux kernel code: driver core: class: fix documentation for class_create()
Problem Details: In commit dcfbb67e48a2 ("driver core: class: use lock_class_key already present in struct subsys_private") we removed the key parameter to the function class_create() but forgot to remove it from the kerneldoc, which causes a build warning. Fix that up by removing the key parameter from the documentat...
```diff diff --git a/drivers/base/class.c b/drivers/base/class.c index dbaeb79ae917..0f8938a17144 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -223,7 +223,6 @@ static void class_create_release(struct class *cls) /** * class_create - create a struct class structure * @name: pointer to a string fo...
fb5755100a0a5aa5957bdb204fd1e249684557fc
Analyze and fix the following issue in the Linux kernel code: platform/x86/intel/pmc: Alder Lake PCH slp_s0_residency fix
Problem Details: For platforms with Alder Lake PCH (Alder Lake S and Raptor Lake S) the slp_s0_residency attribute has been reporting the wrong value. Unlike other platforms, ADL PCH does not have a counter for the time that the SLP_S0 signal was asserted. Instead, firmware uses the aggregate of the Low Power Mode (LPM...
```diff diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index 3a15d32d7644..b9591969e0fa 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -66,7 +66,18 @@ static inline void pmc_core_reg_write(struct pmc_dev *pmcdev, int reg_offs...
5c3686616b1840b3143b227eb58fb1c1621d204e
Analyze and fix the following issue in the Linux kernel code: dt-bindings: arm-smmu: Use qcom,smmu compatible for MMU500 adreno SMMUs
Problem Details: qcom,smmu-500 was introduced to prevent people from adding new compatibles for what seems to roughly be the same hardware. Use it for qcom,adreno-smmu-compatible targets as well. While at it, fix the "arm,smmu-500" -> "arm,mmu-500" typo in the comment. Acked-by: Krzysztof Kozlowski <krzysztof.kozlows...
```diff diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml index ea81e9b1860c..b3a8f5864648 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -76,9 +76,19 @@ properties...
0c705be9609931920c299e76811b21acc9502f1a
Analyze and fix the following issue in the Linux kernel code: Remove orphaned CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT
Problem Details: After the commit 93d102f094be9beab2 ("printk: remove safe buffers"), CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT is no longer useful. Remove it. Signed-off-by: Marc Aurèle La France <tsi@tuyoix.net> Reviewed-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> R...
```diff diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index 18d4fe4108cb..795a127908e7 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -4,7 +4,6 @@ CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT_VOLUNTARY=y CONFIG_TICK...
5c95b2d5d44fa250ce8aeee27bdb39b381d03857
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Drop wakeref on GuC RC error
Problem Details: If we fail to adjust the GuC run-control on opening the perf stream, make sure we unwind the wakeref just taken. v2: Retain old goto label names (Ashutosh) v3: Drop bitfield boolean Fixes: 01e742746785 ("drm/i915/guc: Support OA when Wa_16011777198 is enabled") Signed-off-by: Chris Wilson <chris.p.wi...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 824a34ec0b83..283a4a3c6862 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1592,9 +1592,7 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream) /* * Wa_1601177719...
3413881e1ecc3cba722a2e87ec099692eed5be28
Analyze and fix the following issue in the Linux kernel code: drm/i915/dpt: Treat the DPT BO as a framebuffer
Problem Details: Currently i915_gem_object_is_framebuffer() doesn't treat the BO containing the framebuffer's DPT as a framebuffer itself. This means eg. that the shrinker can evict the DPT BO while leaving the actual FB BO bound, when the DPT is allocated from regular shmem. That causes an immediate oops during hiber...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dpt.c b/drivers/gpu/drm/i915/display/intel_dpt.c index ad1a37b515fb..2a9f40a2b3ed 100644 --- a/drivers/gpu/drm/i915/display/intel_dpt.c +++ b/drivers/gpu/drm/i915/display/intel_dpt.c @@ -301,6 +301,7 @@ intel_dpt_create(struct intel_framebuffer *fb) vm->pte_enco...
d032ca43f2c80049ce5aabd3f208dc3849359497
Analyze and fix the following issue in the Linux kernel code: drm/i915/gem: Flush lmem contents after construction
Problem Details: i915_gem_object_create_lmem_from_data() lacks the flush of the data written to lmem to ensure the object is marked as dirty and the writes flushed to the backing store. Once created, we can immediately release the obj->mm.mapping caching of the vmap. Fixes: 7acbbc7cf485 ("drm/i915/guc: put all guc obj...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c index 8949fb0a944f..3198b64ad7db 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c @@ -127,7 +127,8 @@ i915_gem_object_create_lmem_from_data(struct drm_i915_private...
38c583019484f190d5b33f59b8ae810e6b1763c6
Analyze and fix the following issue in the Linux kernel code: drm/i915/tc: Fix the ICL PHY ownership check in TC-cold state
Problem Details: The commit renaming icl_tc_phy_is_in_safe_mode() to icl_tc_phy_take_ownership() didn't flip the function's return value accordingly, fix this up. This didn't cause an actual problem besides state check errors, since the function is only used during HW readout. Cc: José Roberto de Souza <jose.souza@in...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index f45328712bff..be510b9c0d07 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -418,9 +418,9 @@ static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_po...
a2b6e99d8a623544f3bdccd28ee35b9c1b00daa5
Analyze and fix the following issue in the Linux kernel code: drm/i915: Disable DC states for all commits
Problem Details: Keeping DC states enabled is incompatible with the _noarm()/_arm() split we use for writing pipe/plane registers. When DC5 and PSR are enabled, all pipe/plane registers effectively become self-arming on account of DC5 exit arming the update, and PSR exit latching it. What probably saves us most of the...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 1a5ffa9642e8..63b4b73f47c6 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7094,6 +7094,8 @@ static void intel_update_crtc(struct intel_...
4d4e766f8b7dbdefa7a78e91eb9c7a29d0d818b8
Analyze and fix the following issue in the Linux kernel code: drm/i915: Workaround ICL CSC_MODE sticky arming
Problem Details: Unlike SKL/GLK the ICL CSC unit suffers from a new issue where CSC_MODE arming is sticky. That is, once armed it remains armed causing the CSC coeff/offset registers to become effectively self-arming. CSC coeff/offset registers writes no longer disarm the CSC, but fortunately register read still do. S...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index b1d0b49fe8ef..bd598a7f5047 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -619,6 +619,14 @@ static void ilk_lut_12p4_pack(struct drm_color_lut *...
a8e03e00b62073b494886dbff32f8b5338066c8b
Analyze and fix the following issue in the Linux kernel code: drm/i915: Move CSC load back into .color_commit_arm() when PSR is enabled on skl/glk
Problem Details: SKL/GLK CSC unit suffers from a nasty issue where a CSC coeff/offset register read or write between DC5 exit and PSR exit will undo the CSC arming performed by DMC, and then during PSR exit the hardware will latch zeroes into the active CSC registers. This causes any plane going through the CSC to outp...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index ce2c3819146c..aa702292779f 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -617,6 +617,22 @@ static void icl_color_commit_noarm(const struct inte...
12d4eb20d9d86fae5f84117ff047e966e470f7b9
Analyze and fix the following issue in the Linux kernel code: drm/i915/pmu: Use functions common with sysfs to read actual freq
Problem Details: Expose intel_rps_read_actual_frequency_fw to read the actual freq without taking forcewake for use by PMU. The code is refactored to use a common set of functions across sysfs and PMU. Using common functions with sysfs in PMU solves the issues of missing support for MTL and missing support for older ge...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index f5d7b5126433..2c92fa9d1942 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -2075,16 +2075,6 @@ void intel_rps_sanitize(struct intel_rps *rps) rps_disable_interrupts(rps);...
1a2dbf0303e8793444a57a2eec0c6b29523657d9
Analyze and fix the following issue in the Linux kernel code: drm/bridge: it6505: Add range and selector_reg
Problem Details: There are 2 banks on it6505, and when writing to different bank, REG_BANK_SEL needs to be set to the targeted bank. The current code set this additionally, which causes a race condition when a process is writing bank 0 registers while another process set the bank to 1. Set ranges in regmap config so th...
```diff diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index bc451b2a77c2..abaf6e23775e 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -258,12 +258,12 @@ #define REG_AUD_INFOFRAM_SUM 0xFB /* the following six registers are in ban...
b2ccba9e8cdc6fb3985cc227844e7c6af309ffb1
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Fix xfers allocation on Rx channel
Problem Details: Two distinct pools of xfer descriptors are allocated at initialization time: one (Tx) used to provide xfers to track commands and their replies (or delayed replies) and another (Rx) to pick xfers from to be used for processing notifications. Such pools, though, are allocated globally to be used by the...
```diff diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index dbc474ff62b7..e7d97b59963b 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -2289,7 +2289,7 @@ static int scmi_xfer_info_init(struct scmi_info *sinfo) return ret; ret = __...
a7602e7332b97cfbec7bacb0f1ade99a575fe104
Analyze and fix the following issue in the Linux kernel code: net: stmmac: don't reject VLANs when IFF_PROMISC is set
Problem Details: The blamed commit has introduced the following tests to dwmac4_add_hw_vlan_rx_fltr(), called from stmmac_vlan_rx_add_vid(): if (hw->promisc) { netdev_err(dev, "Adding VLAN in promisc mode not supported\n"); return -EPERM; } "VLAN promiscuous" mode is keyed in this driver to IFF_PROMISC, a...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index ec9c130276d8..54bb072aeb2d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -532,7 +532,6 @@ struct mac_device_info { unsigned int xlgma...
d1366b283d94ac4537a4b3a1e8668da4df7ce7e9
Analyze and fix the following issue in the Linux kernel code: can: j1939: prevent deadlock by moving j1939_sk_errqueue()
Problem Details: This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfer and subscribing to the error queue while receiving a net down event. The deadlock involves locks in the following order: 3 j1939_session_list_lock -> active_session_list_lock ...
```diff diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index fce9b9ebf13f..fb92c3609e17 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1124,8 +1124,6 @@ static void __j1939_session_cancel(struct j1939_session *session, if (session->sk) j1939_sk_send_loop_abort(sess...
101f26c72825c5dba1dfe826e4202a9a04b435c6
Analyze and fix the following issue in the Linux kernel code: MIPS: octeon: Fix compile error
Problem Details: Commit ed6a0b6e9fd7 ("MIPS: octeon: Use of_address_to_resource()") lost a cast, which causes a compile error. Fixes: ed6a0b6e9fd7 ("MIPS: octeon: Use of_address_to_resource()") Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
```diff diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index 064e2409377a..8425a6b38aa2 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -2890,7 +2890,7 @@ static int __init octeon_irq_init_ciu3(struct device_node *ciu_node, if (...
e5b42483ccce50d5b957f474fd332afd4ef0c27b
Analyze and fix the following issue in the Linux kernel code: dev_ioctl: fix a W=1 warning
Problem Details: This fixes the following warning when compiled with GCC 12.2.0 and W=1. net/core/dev_ioctl.c:475: warning: Function parameter or member 'data' not described in 'dev_ioctl' Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David ...
```diff diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 5cdbfbf9a7dc..846669426236 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -462,6 +462,7 @@ EXPORT_SYMBOL(dev_load); * @net: the applicable net namespace * @cmd: command to issue * @ifr: pointer to a struct ifreq in user space ...
b79ad2307a1dfd9cba3cfce6445fa0be74a757a0
Analyze and fix the following issue in the Linux kernel code: bus: ti-sysc: Fix comment typo
Problem Details: The double `the' is duplicated in the comment, remove one. Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Message-Id: <20220811121119.20288-1-wangborong@cdjrlc.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 524f4113043c..6c49de37d5e9 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -890,7 +890,7 @@ static int sysc_check_registers(struct sysc *ddata) * within the interconnect target module range. For example, SGX has * them at off...
d0c46bed1cc020c8e84685c74dec1be3383cfb73
Analyze and fix the following issue in the Linux kernel code: ARM: dts: am335x-wega: Fix audio codec by using simple-audio-card driver.
Problem Details: Sound did not work with the previous EVM sound card binding, EVM dts switched to using 'simple-audio-card', so this fixes audio codec by using simple-audio-card driver. Signed-off-by: Steffen Hemer <s.hemer@phytec.de> Message-Id: <20230214132302.39087-2-s.hemer@phytec.de> Signed-off-by: Tony Lindgren ...
```diff diff --git a/arch/arm/boot/dts/am335x-wega.dtsi b/arch/arm/boot/dts/am335x-wega.dtsi index f957fea8208e..acff59335f12 100644 --- a/arch/arm/boot/dts/am335x-wega.dtsi +++ b/arch/arm/boot/dts/am335x-wega.dtsi @@ -8,8 +8,34 @@ model = "Phytec AM335x phyBOARD-WEGA"; compatible = "phytec,am335x-wega", "phytec,am...
f47fc3aa346a506ac8552eb12dd9240194e01474
Analyze and fix the following issue in the Linux kernel code: ARM: dts: omap3-gta04: fix compatible record for GTA04 board
Problem Details: Vendor of the GTA04 boards is and always was Golden Delicious Computers GmbH&Co. KG, Germany and not Texas Instruments. Maybe, TI was references here because the GTA04 was based on the BeagleBoard design which is designated as "ti,omap3-beagle". While we are looking at vendors of omap3 based devices,...
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index ed64e06ecca4..d394d25d2162 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -516,6 +516,8 @@ patte...
a622310f7f0185da02e42cdb06475f533efaae60
Analyze and fix the following issue in the Linux kernel code: ARM: dts: gta04: fix excess dma channel usage
Problem Details: OMAP processors support 32 channels but there is no check or inspect this except booting a device and looking at dmesg reports of not available channels. Recently some more subsystems with DMA (aes1+2) were added filling the list of dma channels beyond the limit of 32 (even if other parameters indicat...
```diff diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi index 87e0ab1bbe95..e0be0fb23f80 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -612,6 +612,22 @@ clock-frequency = <100000>; }; +&mcspi1 { + status = "disabled"; +}; + +&mcspi2...
dc7cb2d29805fe4fa4000fc0b09740fc24c93408
Analyze and fix the following issue in the Linux kernel code: fs/buffer: Remove redundant assignment to err
Problem Details: Variable 'err' set but not used. fs/buffer.c:2613:2: warning: Value stored to 'err' is never read. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4589 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Christian Braun...
```diff diff --git a/fs/buffer.c b/fs/buffer.c index 9e1e2add541e..10390f53f3f5 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2581,7 +2581,7 @@ int block_truncate_page(struct address_space *mapping, struct inode *inode = mapping->host; struct page *page; struct buffer_head *bh; - int err; + int err = 0; bloc...
4c6170d1ae2ccb20ed8d06d191868ed01e6bece0
Analyze and fix the following issue in the Linux kernel code: tools: ynl: default to treating enums as flags for mask generation
Problem Details: I was a bit too optimistic in commit bf51d27704c9 ("tools: ynl: fix get_mask utility routine"), not every mask we use is necessarily coming from an enum of type "flags". We also allow flipping an enum into flags on per-attribute basis. That's done by the 'enum-as-flags' property of an attribute. Resto...
```diff diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py index d04450c2a44a..dba70100124a 100644 --- a/tools/net/ynl/lib/nlspec.py +++ b/tools/net/ynl/lib/nlspec.py @@ -90,8 +90,8 @@ class SpecEnumEntry(SpecElement): def raw_value(self): return self.value - def user_value(self):...
d61157414d0a591d10d27d0ce5873916614e5e31
Analyze and fix the following issue in the Linux kernel code: net: sunhme: Fix uninitialized return code
Problem Details: Fix an uninitialized return code if we never found a qfe slot. It would be a bug if we ever got into this situation, but it's good to return something tracable. Fixes: acb3f35f920b ("sunhme: forward the error code from pci_enable_device()") Reported-by: kernel test robot <lkp@intel.com> Reported-by: D...
```diff diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index b0c7ab74a82e..7cf8210ebbec 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -2834,7 +2834,7 @@ static int happy_meal_pci_probe(struct pci_dev *pdev, int i, qfe_slot = -1; char pr...
e45e761b77bc0739e7e23258c4394013bbb919c7
Analyze and fix the following issue in the Linux kernel code: init: Call mem_encrypt_init() after Hyper-V hypercall init is done
Problem Details: Full Hyper-V initialization, including support for hypercalls, is done as an apic_post_init callback via late_time_init(). mem_encrypt_init() needs to make hypercalls when it marks swiotlb memory as decrypted. But mem_encrypt_init() is currently called a few lines before late_time_init(), so the hyper...
```diff diff --git a/init/main.c b/init/main.c index 4425d1783d5c..7e9c0ca25643 100644 --- a/init/main.c +++ b/init/main.c @@ -1088,14 +1088,6 @@ asmlinkage __visible void __init __no_sanitize_address start_kernel(void) */ locking_selftest(); - /* - * This needs to be called before any devices perform DMA - * ...
f2e9d083f768ec147da3e3e5209030d3c090c689
Analyze and fix the following issue in the Linux kernel code: net: phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Problem Details: The KSZ9131RNX incorrectly shows EEE capabilities in its registers. Although the "EEE control and capability 1" (Register 3.20) is set to 0, indicating no EEE support, the "EEE advertisement 1" (Register 7.60) is set to 0x6, advertising EEE support for 1000BaseT/Full and 100BaseT/Full. This inconsisten...
```diff diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2c84fccef4f6..4e884e4ba0ea 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -4151,6 +4151,7 @@ static struct phy_driver ksphy_driver[] = { .resume = kszphy_resume, .cable_test_start = ksz9x31_cable_test_start, ....
b465518dc27da1ed74b8cbada4659708aac35adb
Analyze and fix the following issue in the Linux kernel code: vsock/loopback: use only sk_buff_head.lock to protect the packet queue
Problem Details: pkt_list_lock was used before commit 71dc9ec9ac7d ("virtio/vsock: replace virtio_vsock_pkt with sk_buff") to protect the packet queue. After that commit we switched to sk_buff and we are using sk_buff_head.lock in almost every place to protect the packet queue except in vsock_loopback_work() when we ca...
```diff diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c index 671e03240fc5..89905c092645 100644 --- a/net/vmw_vsock/vsock_loopback.c +++ b/net/vmw_vsock/vsock_loopback.c @@ -15,7 +15,6 @@ struct vsock_loopback { struct workqueue_struct *workqueue; - spinlock_t pkt_list_lock; /* protect...
e3cbdcb0fbb61045ef3ce0e072927cc41737f787
Analyze and fix the following issue in the Linux kernel code: net/net_failover: fix txq exceeding warning
Problem Details: The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary device if the primary device is UP and running. If the primary device txq is bigger than the default 16, it can lead to th...
```diff diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index 7a28e082436e..d0c916a53d7c 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -130,14 +130,10 @@ static u16 net_failover_select_queue(struct net_device *dev, txq = ops->ndo_select_queue(primary_dev, skb, sb_d...
3ea0b91d9b48124b01e30004547238afd6b5a310
Analyze and fix the following issue in the Linux kernel code: ARM: omap1: Kconfig: Fix indentation
Problem Details: The convention for indentation seems to be a single tab. Help text is further indented by an additional two whitespaces. Fix the lines that violate these rules. Signed-off-by: Juerg Haefliger <juerg.haefliger@canonical.com> Message-Id: <20230315091152.132443-1-juerg.haefliger@canonical.com> Signed-of...
```diff diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index 8df9a4de0e79..cbf703f0d850 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -118,7 +118,7 @@ config MACH_OMAP_OSK depends on ARCH_OMAP16XX help TI OMAP 5912 OSK (OMAP Starter Kit) board support. Say...
1543b4c5071c54d76aad7a7a26a6e43082269b0c
Analyze and fix the following issue in the Linux kernel code: fs/9p: remove writeback fid and fix per-file modes
Problem Details: This patch removes the creating of an additional writeback_fid for opened files. The patch addresses problems when files were opened write-only or getattr on files with dirty caches. This patch also incorporates information about cache behavior in the fid for every file. This allows us to reflect ca...
```diff diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 805151114e96..de009a33e0e2 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -41,14 +41,24 @@ void v9fs_fid_add(struct dentry *dentry, struct p9_fid **pfid) *pfid = NULL; } +static bool v9fs_is_writeable(int mode) +{ + if (mode & (P9_OWRITE|P9_ORDWR)) + return true...
46c30cb8f5393586c6ebc7b53a235c85bfac1de8
Analyze and fix the following issue in the Linux kernel code: 9p: Add additional debug flags and open modes
Problem Details: Add some additional debug flags to assist with debugging cache changes. Also add some additional open modes so we can track cache state in fids more directly. Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
```diff diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index 429adf6be29c..60cad0d200a4 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -42,6 +42,8 @@ enum p9_debug_flags { P9_DEBUG_PKT = (1<<10), P9_DEBUG_FSC = (1<<11), P9_DEBUG_VPKT = (1<<12), + P9_DEBUG_CACHE = (1<<13), + P9_DEBUG_MMAP...
fc226f865c05a6a0e1d4f4166ba9d4ceb27e7550
Analyze and fix the following issue in the Linux kernel code: dt-bindings: arm: fsl: Add colibri-imx8x carrier boards
Problem Details: Prepare the dt-bindings for the new colibri-imx8x carrier-boards Aster and Iris. The Toradex SoM standard is called Colibri, fix the typo. Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Shawn Guo <shawnguo...
```diff diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml index 67a325ed5794..2285c8d65a58 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -1154,10 +1154,13 @@ properties: - fsl,...
c355d913d21736c8a00a41cfacc19d2839063d89
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mp: fix address length for LCDIF2
Problem Details: 0x238 is the offset for PANIC0_THRES, so the length needs to be greater than that. Use the size from memory map from reference manual. Fixes: 94e6197dadc9 ("arm64: dts: imx8mp: Add LCDIF2 & LDB nodes") Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Shawn Guo <shawnguo@...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 2dd60e3252f3..a237275ee017 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1128,7 +1128,7 @@ lcdif2: display-controller@32e90000 { compat...
969fe9113531ee8d71796481b2ec0c01cfc9793f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mq-librem5: fix audio-1v8 regulator name
Problem Details: Fix the regulator name for the audio-1v8 regulator. Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index fd1f6fb6d6f6..6c44af94ac02 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -84,7 +84,7 @@ compatible = "regulator-...
2d38e8615a21e264042870f811247d5c52c27f4e
Analyze and fix the following issue in the Linux kernel code: regmap: Clarify error for unknown cache types
Problem Details: The error message printed when we fail to locate the cache type the map requested says it can't find a compress type rather than a cache type, fix that. Since the compressed type is the only one currently compiled conditionally it's likely to be the missing type but that might not always be true and is...
```diff diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index c53eabd4855d..7a337e8d08a9 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -148,7 +148,7 @@ int regcache_init(struct regmap *map, const struct regmap_config *config) break; if (i == ARR...
02bcba0b9f9da706d5bd1e8cbeb83493863e17b5
Analyze and fix the following issue in the Linux kernel code: regulator: Handle deferred clk
Problem Details: devm_clk_get() can return -EPROBE_DEFER. So it is better to return the error code from devm_clk_get(), instead of a hard coded -ENOENT. This gives more opportunities to successfully probe the driver. Fixes: 8959e5324485 ("regulator: fixed: add possibility to enable by clock") Signed-off-by: Christoph...
```diff diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 2a9867abba20..e6724a229d23 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -215,7 +215,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->enable_clock = devm_clk_get(dev, NULL); i...
707823e7f22f3864ddc7d85e8e9b614afe4f1b16
Analyze and fix the following issue in the Linux kernel code: 9P FS: Fix wild-memory-access write in v9fs_get_acl
Problem Details: KASAN reported the following issue: [ 36.825817][ T5923] BUG: KASAN: wild-memory-access in v9fs_get_acl+0x1a4/0x390 [ 36.827479][ T5923] Write of size 4 at addr 9fffeb37f97f1c00 by task syz-executor798/5923 [ 36.829303][ T5923] [ 36.829846][ T5923] CPU: 0 PID: 5923 Comm: syz-executor798 Not tai...
```diff diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c index 50f7f3f6b55e..1974a38bce20 100644 --- a/fs/9p/xattr.c +++ b/fs/9p/xattr.c @@ -35,10 +35,12 @@ ssize_t v9fs_fid_xattr_get(struct p9_fid *fid, const char *name, return retval; } if (attr_size > buffer_size) { - if (!buffer_size) /* request to get the attr_s...
08a7ce384e33e53e0732c500a8af67a73f8fceca
Analyze and fix the following issue in the Linux kernel code: bpf: Use bpf_mem_cache_alloc/free in bpf_local_storage_elem
Problem Details: This patch uses bpf_mem_alloc for the task and cgroup local storage that the bpf prog can easily get a hold of the storage owner's PTR_TO_BTF_ID. eg. bpf_get_current_task_btf() can be used in some of the kmalloc code path which will cause deadlock/recursion. bpf_mem_cache_alloc is deadlock free and wil...
```diff diff --git a/include/linux/bpf_local_storage.h b/include/linux/bpf_local_storage.h index a34f61467a2f..30efbcab2798 100644 --- a/include/linux/bpf_local_storage.h +++ b/include/linux/bpf_local_storage.h @@ -13,6 +13,7 @@ #include <linux/list.h> #include <linux/hash.h> #include <linux/types.h> +#include <linu...
9553de70a8412a07b16703449b4b4c4e5d37c388
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: verifier/div_overflow.c converted to inline assembly
Problem Details: Test verifier/div_overflow.c automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230325025524.144043-20-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index b172c41cdc61..d92211b4c3af 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -16,6 +16,7 @@ #include "verifier_ctx_sk_...
1d56ade032a49b2042f43b3f6bdf116928064267
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Unprivileged tests for test_loader.c
Problem Details: Extends test_loader.c:test_loader__run_subtests() by allowing to execute tests in unprivileged mode, similar to test_verifier.c. Adds the following new attributes controlling test_loader behavior: __msg_unpriv __success_unpriv __failure_unpriv * If any of these attributes is present the test w...
```diff diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index fc092582d16d..4a8ef118fd9d 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -231,8 +231,9 @@ TEST_GEN_PROGS_EXTENDED += $(TRUNNER_BPFTOOL) $(TEST_GEN_PROGS) $(TEST_GEN...
1431d0b584a673ea690c88a5f7e1aedd9caf0e84
Analyze and fix the following issue in the Linux kernel code: bpf: Only invoke kptr dtor following non-NULL xchg
Problem Details: When a map value is being freed, we loop over all of the fields of the corresponding BPF object and issue the appropriate cleanup calls corresponding to the field's type. If the field is a referenced kptr, we atomically xchg the value out of the map, and invoke the kptr's destructor on whatever was the...
```diff diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index a09597c95029..e18ac7fdc210 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -677,6 +677,9 @@ void bpf_obj_free_fields(const struct btf_record *rec, void *obj) break; case BPF_KPTR_REF: xchgd_field = (void *)xchg((unsigned l...
44c200876a45429473ff683bd491ccf3a73eb915
Analyze and fix the following issue in the Linux kernel code: drm/msm: Use idr_preload()
Problem Details: Avoid allocation under idr_lock, to prevent deadlock against the job_free() path (which runs on same thread as job_run(), which makes it also part of the fence-signaling path. Signed-off-by: Rob Clark <robdclark@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/527847/ Link: https://lor...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 513c5d570792..89375c2e422b 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -882,6 +882,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, submit->nr_c...
6c7c8fb863f7c3137ce5fc4b435af3891083abeb
Analyze and fix the following issue in the Linux kernel code: drm/msm/gem: Protect pin_count/madv by LRU lock
Problem Details: Since the LRU lock is already acquired when moving an obj between LRUs, we can use it to protect pin_count and madv, without any significant change in locking (ie. it just expands the scope of the lock by a hand- ful of instructions). This prepares the way to decrement the pin_count in the job_run() p...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 58ac94507ff1..b9171ac1a79a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -61,7 +61,7 @@ static void sync_for_cpu(struct msm_gem_object *msm_obj) dma_unmap_sgtable(dev, msm_obj->sgt, DMA_BIDIREC...
b14b8c5f0eaf363e33c5410c96a6259dee6bd78e
Analyze and fix the following issue in the Linux kernel code: drm/msm: Decouple vma tracking from obj lock
Problem Details: We need to use the inuse count to track that a BO is pinned until we have the hw_fence. But we want to remove the obj lock from the job_run() path as this could deadlock against reclaim/shrinker (because it is blocking the hw_fence from eventually being signaled). So split that tracking out into a per...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h index d3219c523034..1929f09c5b0d 100644 --- a/drivers/gpu/drm/msm/msm_gem.h +++ b/drivers/gpu/drm/msm/msm_gem.h @@ -59,6 +59,7 @@ struct msm_fence_context; struct msm_gem_vma { struct drm_mm_node node; + spinlock_t lock; uint64_t ...
40f43730f43699ce8557e4fe59622d4f4b69f44a
Analyze and fix the following issue in the Linux kernel code: drm: rcar-du: Fix a NULL vs IS_ERR() bug
Problem Details: The drmm_encoder_alloc() function returns error pointers. It never returns NULL. Fix the check accordingly. Fixes: 7a1adbd23990 ("drm: rcar-du: Use drmm_encoder_alloc() to manage encoder") Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboa...
```diff diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index b1787be31e92..7ecec7b04a8d 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -109,8 +109,8 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, r...
ec1c6ff81e8e2123b4d727b2b9ac74049b7c2b52
Analyze and fix the following issue in the Linux kernel code: drm: rcar-du: lvds: Fix LVDS PLL disable on D3/E3
Problem Details: On R-Car D3 and E3, the LVDS encoder provides the dot (pixel) clock to the DU, regardless of whether the LVDS output is used or not. When using the DPAD (RGB) output, the DU driver thus enables and disables the LVDS PLL manually, while when using the LVDS output, it lets the LVDS bridge driver handle t...
```diff diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 008e172ed43b..5e552b326162 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -749,16 +749,17 @@ static void rcar_du_crtc_atomic_enable(struct drm_crtc *crtc, /...
e416ea62a9166e6075a07a970cc5bf79255d2700
Analyze and fix the following issue in the Linux kernel code: ksmbd: do not call kvmalloc() with __GFP_NORETRY | __GFP_NO_WARN
Problem Details: Commit 83dcedd5540d ("ksmbd: fix infinite loop in ksmbd_conn_handler_loop()"), changes GFP modifiers passed to kvmalloc(). This cause xfstests generic/551 test to fail. We limit pdu length size according to connection status and maximum number of connections. In the rest, memory allocation of request i...
```diff diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index 115a67d2cf78..3f5dfebaa041 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -326,10 +326,7 @@ int ksmbd_conn_handler_loop(void *p) /* 4 for rfc1002 length field */ size = pdu_size + 4; - conn->request_buf = kvmalloc(size,...
24a9671942380cfbb231ddeb7dc5cd1ae6fc7eb8
Analyze and fix the following issue in the Linux kernel code: drm/msm/a6xx: add CONFIG_PM dependency
Problem Details: Selecting CONFIG_PM_GENERIC_DOMAINS causes a build failure when CONFIG_PM is not enabled: WARNING: unmet direct dependencies detected for PM_GENERIC_DOMAINS Depends on [n]: PM [=n] Selected by [m]: - DRM_MSM [=m] && HAS_IOMEM [=y] && DRM [=m] && (ARCH_QCOM [=y] || SOC_IMX5 || COMPILE_TEST [=y]) ...
```diff diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 1c417ba53b5b..85f5ab1d552c 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -9,6 +9,7 @@ config DRM_MSM depends on QCOM_OCMEM || QCOM_OCMEM=n depends on QCOM_LLCC || QCOM_LLCC=n depends on QCOM_COMMAN...
aec11c8d7cb31c67deeba4c9fe015d09735c6813
Analyze and fix the following issue in the Linux kernel code: dma-buf/dma-fence: Add deadline awareness
Problem Details: Add a way to hint to the fence signaler of an upcoming deadline, such as vblank, which the fence waiter would prefer not to miss. This is to aid the fence signaler in making power management decisions, like boosting frequency as the deadline approaches and awareness of missing deadlines so that can be...
```diff diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 2e8dfd1a66b6..0625e7e21f6f 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -164,6 +164,12 @@ DMA Fence Signalling Annotations .. kernel-doc:: drivers/dma-buf/dma-fence....
33189f0a94b9639c058781fcf82e4ea3803b1682
Analyze and fix the following issue in the Linux kernel code: r8169: fix RTL8168H and RTL8107E rx crc error
Problem Details: When link speed is 10 Mbps and temperature is under -20°C, RTL8168H and RTL8107E may have rx crc error. Disable phy 10 Mbps pll off to fix this issue. Fixes: 6e1d0b898818 ("r8169:add support for RTL8168H and RTL8107E") Signed-off-by: ChunHao Lin <hau@realtek.com> Reviewed-by: Heiner Kallweit <hkallwei...
```diff diff --git a/drivers/net/ethernet/realtek/r8169_phy_config.c b/drivers/net/ethernet/realtek/r8169_phy_config.c index 930496cd34ed..b50f16786c24 100644 --- a/drivers/net/ethernet/realtek/r8169_phy_config.c +++ b/drivers/net/ethernet/realtek/r8169_phy_config.c @@ -826,6 +826,9 @@ static void rtl8168h_2_hw_phy_con...
9aa5757e1f71d85facdc3c98028762cbab8d15c7
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8: fix MDB configuration with non-zero VID
Problem Details: FID is directly mapped to VID. However, configuring a MAC address with a VID != 0 resulted in incorrect configuration due to an incorrect bit mask. This kernel commit fixed the issue by correcting the bit mask and ensuring proper configuration of MAC addresses with non-zero VID. Fixes: 4b20a07e103f ("...
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 4929fb29ed06..74c56d05ab0b 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -404,7 +404,7 @@ static const u32 ksz8863_masks[] = { [VLAN_TABLE_VALID] = BIT(19),...
392ff7a84cbca34118ca286dfbfe8aee24605897
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8863_smi: fix bulk access
Problem Details: Current regmap bulk access is broken, resulting to wrong reads/writes if ksz_read64/ksz_write64 functions are used. Mostly this issue was visible by using ksz8_fdb_dump(), which returned corrupt MAC address. The reason is that regmap was configured to have max_raw_read/write, even if ksz8863_mdio_read...
```diff diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 2f4623f3bd85..3698112138b7 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -82,22 +82,16 @@ static const struct regmap_bus regmap_smi[] = { { .read = ks...
492606cdc74804d372ab1bdb8f3ef4a6fb6f9f59
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8: ksz8_fdb_dump: avoid extracting ghost entry from empty dynamic MAC table.
Problem Details: If the dynamic MAC table is empty, we will still extract one outdated entry. Fix it by using correct bit offset. Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Acked-by: Arun Ramadoss <arun.ramadoss@microchip....
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index c914449645ca..4929fb29ed06 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -408,7 +408,7 @@ static const u32 ksz8863_masks[] = { [STATIC_MAC_TABLE_OVERRIDE] = ...
b3177aab89be540dc50d2328427b073361093e38
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8: fix offset for the timestamp filed
Problem Details: We are using wrong offset, so we will get not a timestamp. Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.c...
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 3a1afc9f4621..c914449645ca 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -423,7 +423,7 @@ static u8 ksz8863_shifts[] = { [DYNAMIC_MAC_ENTRIES_H] = 8, [DYN...
5d90492dd4ff50ad65c582c76c345d0b90001728
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8: fix ksz8_fdb_dump() to extract all 1024 entries
Problem Details: Current ksz8_fdb_dump() is able to extract only max 249 entries on the ksz8863/ksz8873 series of switches. This happened due to wrong bit mask and offset calculation. This commit corrects the issue and allows for the complete extraction of all 1024 entries. Fixes: 4b20a07e103f ("net: dsa: microchip: ...
```diff diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 7fc2155d93d6..3a1afc9f4621 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -407,10 +407,10 @@ static const u32 ksz8863_masks[] = { [STATIC_MAC_TABLE_FID] = GE...
88e943e83827a349f70c3464b3eba7260be7461d
Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: ksz8: fix ksz8_fdb_dump()
Problem Details: Before this patch, the ksz8_fdb_dump() function had several issues, such as uninitialized variables and incorrect usage of source port as a bit mask. These problems caused inaccurate reporting of vid information and port assignment in the bridge fdb. Fixes: e587be759e6e ("net: dsa: microchip: update f...
```diff diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 003b0ac2854c..3fffd5da8d3b 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -958,15 +958,14 @@ int ksz8_fdb_dump(struct ksz_device *dev, int port, u16 entries = 0; u8 tim...
d24927f43b9f3f3994ddf075caee531391c56559
Analyze and fix the following issue in the Linux kernel code: staging: ks7010: fix line ending with '('
Problem Details: Splitting function header to multiple lines because of 80 characters per line limit, results in ending the function call line with '('. This leads to CHECK reported by checkpatch.pl Move the first parameter right after the '(' in the function call line. Align the rest of the parameters to the opening ...
```diff diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c index 9429ee155910..af3825578d85 100644 --- a/drivers/staging/ks7010/ks_hostif.c +++ b/drivers/staging/ks7010/ks_hostif.c @@ -75,9 +75,8 @@ static void ks_wlan_hw_wakeup_task(struct work_struct *work) if (ps_status == PS_SN...
bb75546bb630d2fccd39dfcf691a9cb73cfbc7d9
Analyze and fix the following issue in the Linux kernel code: staging: most: fix line ending with '(' in dim2/
Problem Details: Splitting function header to multiple lines because of 80 characters per line limit, results in ending the function call line with '('. This leads to CHECK reported by checkpatch.pl Move the function parameters right after the '(' in the function call line. Align the rest of the parameters to the open...
```diff diff --git a/drivers/staging/most/dim2/hal.c b/drivers/staging/most/dim2/hal.c index a5d40b5b138a..6abe3ab2b2cf 100644 --- a/drivers/staging/most/dim2/hal.c +++ b/drivers/staging/most/dim2/hal.c @@ -346,9 +346,8 @@ static void dim2_clear_ctram(void) dim2_clear_ctr(ctr_addr); } -static void dim2_configure_...
c35cc254f34503a53d58560367a1eb4ac0a430cc
Analyze and fix the following issue in the Linux kernel code: staging: most: fix line ending with '(' in video/
Problem Details: Splitting function header to multiple lines because of 80 characters per line limit, results in ending the function call line with '('. This leads to CHECK reported by checkpatch.pl Move the function parameters right after the '(' in the function call line. Signed-off-by: Khadija Kamran <kamrankhadij...
```diff diff --git a/drivers/staging/most/video/video.c b/drivers/staging/most/video/video.c index ffa97ef21ea5..6254a5df2502 100644 --- a/drivers/staging/most/video/video.c +++ b/drivers/staging/most/video/video.c @@ -365,8 +365,7 @@ static const struct video_device comp_videodev_template = { /*********************...
009455205e68ef017a429dc818b92c4a84b867c4
Analyze and fix the following issue in the Linux kernel code: driver core: bus: move documentation for lock_key to proper location.
Problem Details: In commit 37e98d9bedb5 ("driver core: bus: move lock_class_key into dynamic structure"), the lock_key variable moved out of struct bus_type and into struct subsys_private, yet the documentation for it did not move. Fix that up and place the documentation comment in the correct location. Cc: "Rafael J...
```diff diff --git a/drivers/base/base.h b/drivers/base/base.h index a2d3a1d0fa9b..d3e081dc4b13 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -33,6 +33,7 @@ * avoid namespace conflicts * @class - pointer back to the struct class that this structure is associated * with. + * @...
b69edab47f1da8edd8e7bfdf8c70f51a2a5d89fb
Analyze and fix the following issue in the Linux kernel code: kheaders: Use array declaration instead of char
Problem Details: Under CONFIG_FORTIFY_SOURCE, memcpy() will check the size of destination and source buffers. Defining kernel_headers_data as "char" would trip this check. Since these addresses are treated as byte arrays, define them as arrays (as done everywhere else). This was seen with: $ cat /sys/kernel/kheader...
```diff diff --git a/kernel/kheaders.c b/kernel/kheaders.c index 8f69772af77b..42163c9e94e5 100644 --- a/kernel/kheaders.c +++ b/kernel/kheaders.c @@ -26,15 +26,15 @@ asm ( " .popsection \n" ); -extern char kernel_headers_data; -extern char kernel_headers_data_end; +extern char kernel_headers_data[]; +extern cha...
f33642224e38d7e0d59336e10e7b4e370b1c4506
Analyze and fix the following issue in the Linux kernel code: ptp_qoriq: fix memory leak in probe()
Problem Details: Smatch complains that: drivers/ptp/ptp_qoriq.c ptp_qoriq_probe() warn: 'base' from ioremap() not released. Fix this by revising the parameter from 'ptp_qoriq->base' to 'base'. This is only a bug if ptp_qoriq_init() returns on the first -ENODEV error path. For other error paths ptp_qoriq->base and base...
```diff diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 61530167efe4..350154e4c2b5 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -637,7 +637,7 @@ static int ptp_qoriq_probe(struct platform_device *dev) return 0; no_clock: - iounmap(ptp_qoriq->base); + iounmap(base); no...
3bced313b9a5a237c347e0f079c8c2fe4b3935aa
Analyze and fix the following issue in the Linux kernel code: vmxnet3: use gro callback when UPT is enabled
Problem Details: Currently, vmxnet3 uses GRO callback only if LRO is disabled. However, on smartNic based setups where UPT is supported, LRO can be enabled from guest VM but UPT devicve does not support LRO as of now. In such cases, there can be performance degradation as GRO is not being done. This patch fixes this i...
```diff diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 682987040ea8..da488cbb0542 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1688,7 +1688,9 @@ not_lro: if (unlikely(rcd->ts)) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q)...
b93eb564869321d0dffaf23fcc5c88112ed62466
Analyze and fix the following issue in the Linux kernel code: net: dsa: realtek: fix out-of-bounds access
Problem Details: The probe function sets priv->chip_data to (void *)priv + sizeof(*priv) with the expectation that priv has enough trailing space. However, only realtek-smi actually allocated this chip_data space. Do likewise in realtek-mdio to fix out-of-bounds accesses. These accesses likely went unnoticed so far, ...
```diff diff --git a/drivers/net/dsa/realtek/realtek-mdio.c b/drivers/net/dsa/realtek/realtek-mdio.c index 3e54fac5f902..5a8fe707ca25 100644 --- a/drivers/net/dsa/realtek/realtek-mdio.c +++ b/drivers/net/dsa/realtek/realtek-mdio.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/of_device.h> +#include <l...
d684a7a26f7d2c7122a4581ac966ed64e88fb29c
Analyze and fix the following issue in the Linux kernel code: scsi: mpt3sas: Don't print sense pool info twice
Problem Details: _base_allocate_sense_dma_pool() already prints out the sense pool information, so don't print it a second time after calling it in _base_allocate_memory_pools(). In addition the version in _base_allocate_memory_pools() was using the wrong size value, sz, which was last assigned when doing some nvme cal...
```diff diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 2ee9ea57554d..14ae0a9c5d3d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -6616,11 +6616,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) else if (rc == -EAG...
2309df27111a51734cb9240b4d3c25f2f3c6ab06
Analyze and fix the following issue in the Linux kernel code: scsi: megaraid_sas: Fix crash after a double completion
Problem Details: When a physical disk is attached directly "without JBOD MAP support" (see megasas_get_tm_devhandle()) then there is no real error handling in the driver. Return FAILED instead of SUCCESS. Fixes: 18365b138508 ("megaraid_sas: Task management support") Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link...
```diff diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 84c9a55a5794..8a83f3fc2b86 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -4771,7 +4771,7 @@ int megasas_task_abort_fusion(struct scsi_cmnd ...
0808ed6ebbc292222ca069d339744870f6d801da
Analyze and fix the following issue in the Linux kernel code: scsi: megaraid_sas: Fix fw_crash_buffer_show()
Problem Details: If crash_dump_buf is not allocated then crash dump can't be available. Replace logical 'and' with 'or'. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Link: https://lore.kernel.org/r/20230324135249.9733-1-thenzl@redhat.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
```diff diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 3ceece988338..c895189375e2 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3298,7 +3298,7 @@ fw_crash_buffer_show(struct device *cdev, spin_lock...
f486893288f3e9b171b836f43853a6426515d800
Analyze and fix the following issue in the Linux kernel code: scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition
Problem Details: mptlan_probe() calls mpt_register_lan_device() which initializes the &priv->post_buckets_task workqueue. A call to mpt_lan_wake_post_buckets_task() will subsequently start the work. During driver unload in mptlan_remove() the following race may occur: CPU0 CPU1 |...
```diff diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c index 142eb5d5d9df..de2e7bcf4784 100644 --- a/drivers/message/fusion/mptlan.c +++ b/drivers/message/fusion/mptlan.c @@ -1433,7 +1433,9 @@ mptlan_remove(struct pci_dev *pdev) { MPT_ADAPTER *ioc = pci_get_drvdata(pdev); struct n...
75cb113cd43f06aaf4f1bda0069cfd5b98e909eb
Analyze and fix the following issue in the Linux kernel code: scsi: megaraid: Fix mega_cmd_done() CMDID_INT_CMDS
Problem Details: When cmdid == CMDID_INT_CMDS, the 'cmds' pointer is NULL but is dereferenced below. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 0f2bb84d2a68 ("[SCSI] megaraid: simplify internal command handling") Signed-off-by: Danila Chernetsov <listdansp@mail.ru> Link: https://lore.ker...
```diff diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 3115ab991fc6..e92f1a73cc9b 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -1441,6 +1441,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) */ if (cmdid == CMDID_INT_CMDS) { scb = &...
40a252c123c765a8d86d118b692c79aaa3b74ef6
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix wrong comment
Problem Details: A control irq may be allocated from the parent device's pool in case there is no SF dedicated pool. This could happen when there are not enough vectors available for SFs. Signed-off-by: Eli Cohen <elic@nvidia.com> Reviewed-by: Shay Drory <shayd@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia....
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 6bde18bcd42f..c72736f1571f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -394,7 +394,9 @@ struct mlx5_irq *mlx5_ctr...
b94616d9c6fd4e0d39616c68f46e33d7126add5a
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Coding style fix, add empty line
Problem Details: Add empty line between two function defnititions. Signed-off-by: Eli Cohen <elic@nvidia.com> Reviewed-by: Shay Drory <shayd@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 38b32e98f3bd..b43121f64a80 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -637,6 +637,7 @@ static u16 async_eq_depth_devlink_param_get(s...
4e0473f1060aa49621d40a113afde24818101d37
Analyze and fix the following issue in the Linux kernel code: lib: cpu_rmap: Avoid use after free on rmap->obj array entries
Problem Details: When calling irq_set_affinity_notifier() with NULL at the notify argument, it will cause freeing of the glue pointer in the corresponding array entry but will leave the pointer in the array. A subsequent call to free_irq_cpu_rmap() will try to free this entry again leading to possible use after free. ...
```diff diff --git a/lib/cpu_rmap.c b/lib/cpu_rmap.c index f08d9c56f712..e77f12bb3c77 100644 --- a/lib/cpu_rmap.c +++ b/lib/cpu_rmap.c @@ -232,7 +232,8 @@ void free_irq_cpu_rmap(struct cpu_rmap *rmap) for (index = 0; index < rmap->used; index++) { glue = rmap->obj[index]; - irq_set_affinity_notifier(glue->notif...
a2e5260d07555834d14431399cefdd3220b917d6
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sdm630: move DSI opp-table into DSI node
Problem Details: The soc node is supposed to have only device nodes with MMIO addresses, so move the DSI OPP into the DSI controller node to fix: sda660-inforce-ifc6560.dtb: soc: opp-table-dsi: {'compatible': ['operating-points-v2'], ... should not be valid under {'type': 'object'} From schema: dtschema/schemas/...
```diff diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi index 72d9a12b5e9c..8bdb36a63474 100644 --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi @@ -1450,25 +1450,6 @@ <0>; }; - dsi_opp_table: opp-table-dsi { - compatible = "ope...
5dff5d092ba6c5485aac1467dad938c74ba6ed57
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Disable C6 on MTL A0 for media
Problem Details: Earlier merge dropped an if block when applying the patch - "drm/i915/mtl: Synchronize i915/BIOS on C6 enabling". Bring back the if block as the check is required by - "drm/i915/mtl: Disable MC6 for MTL A step" to disable C6 on media for A0 stepping. Fixes: 3735040978a4 ("drm/i915/mtl: Synchronize i91...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c index fe788014b6fa..a0a0c57b2d8c 100644 --- a/drivers/gpu/drm/i915/gt/intel_rc6.c +++ b/drivers/gpu/drm/i915/gt/intel_rc6.c @@ -525,6 +525,13 @@ static bool rc6_supported(struct intel_rc6 *rc6) return false; } + if (IS...
3e40814818cee1b564962786f867fb71bb754686
Analyze and fix the following issue in the Linux kernel code: scsi: arcmsr: Fix reading empty buffer length
Problem Details: Fix empty buffer length error which causes ARECA CLI app command timeout. Signed-off-by: ching Huang <ching2048@areca.com.tw> Link: https://lore.kernel.org/r/4aec4385abc6eab10b575c28130ec615a144492d.camel@areca.com.tw Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
```diff diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index ce92d4281da6..f97936d66a6a 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2255,8 +2255,11 @@ static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) spin_loc...
c3e9b937fb817ca36610dc10677cb1442aa07e72
Analyze and fix the following issue in the Linux kernel code: scsi: arcmsr: Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue
Problem Details: Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue on some motherboards. Signed-off-by: ching Huang <ching2048@areca.com.tw> Link: https://lore.kernel.org/r/81c1f98819dfdfa18ae4d3b854b7733af9d34ea5.camel@areca.com.tw Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
```diff diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 603860959c5f..ce92d4281da6 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -997,6 +997,8 @@ static int arcmsr_set_dma_mask(struct AdapterControlBlock *acb) if (((acb->adapter_type ==...
82e2c39f9ef78896e9b634dfd82dc042e6956bb7
Analyze and fix the following issue in the Linux kernel code: net: phy: dp83869: fix default value for tx-/rx-internal-delay
Problem Details: dp83869 internally uses a look-up table for mapping supported delays in nanoseconds to register values. When specific delays are defined in device-tree, phy_get_internal_delay does the lookup automatically returning an index. The default case wrongly assigns the nanoseconds value from the lookup table...
```diff diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index b4ff9c5073a3..9ab5eff502b7 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -588,15 +588,13 @@ static int dp83869_of_init(struct phy_device *phydev) &dp83869_internal_delay[0], delay_siz...
ca4a80e4bb7e87daf33b27d2ab9e4f5311018a89
Analyze and fix the following issue in the Linux kernel code: sfc: ef10: don't overwrite offload features at NIC reset
Problem Details: At NIC reset, some offload features related to encapsulated traffic might have changed (this mainly happens if the firmware-variant is changed with the sfboot userspace tool). Because of this, features are checked and set again at reset time. However, this was not done right, and some features were im...
```diff diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 7022fb2005a2..d30459dbfe8f 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1304,7 +1304,8 @@ static void efx_ef10_fini_nic(struct efx_nic *efx) static int efx_ef10_init_nic(struct efx_nic...
c45b3804292ba5f95b86a8866e2e2cac03fa0155
Analyze and fix the following issue in the Linux kernel code: scsi: scsi_debug: Remove redundant driver match function
Problem Details: If there is no driver match function, the driver core assumes that each candidate pair (driver, device) matches, see driver_match_device(). Drop the pseudo_lld bus match function that always returned 1. This results in the same behaviour as when there is no match function. [mkp+jgg: patch description...
```diff diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 7ed117e78bd4..4500a5fdb92b 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -7893,15 +7893,8 @@ static void sdebug_driver_remove(struct device *dev) scsi_host_put(sdbg_host->shost); } -static int pseudo_lld_bu...
cc79da306ebb2edb700c3816b90219223182ac3c
Analyze and fix the following issue in the Linux kernel code: scsi: target: iscsit: Fix TAS handling during conn cleanup
Problem Details: Fix a bug added in commit f36199355c64 ("scsi: target: iscsi: Fix cmd abort fabric stop race"). If CMD_T_TAS is set on the se_cmd we must call iscsit_free_cmd() to do the last put on the cmd and free it, because the connection is down and we will not up sending the response and doing the put from the ...
```diff diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 26634dbea9b8..07e196b44b91 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4220,9 +4220,12 @@ static void iscsit_release_commands_from_conn(struct iscsit_conn *conn) list...
673db054d7a2b5a470d7a25baf65956d005ad729
Analyze and fix the following issue in the Linux kernel code: scsi: target: Fix multiple LUN_RESET handling
Problem Details: This fixes a bug where an initiator thinks a LUN_RESET has cleaned up running commands when it hasn't. The bug was added in commit 51ec502a3266 ("target: Delete tmr from list before processing"). The problem occurs when: 1. We have N I/O cmds running in the target layer spread over 2 sessions. 2. ...
```diff diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index f6e58410ec3f..aeb03136773d 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -782,6 +782,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) spi...