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c2beff99eb03866df6fdbd3a93b08fd27eb8bf5c
Analyze and fix the following issue in the Linux kernel code: xfs: add debug knob to slow down writeback for fun
Problem Details: Add a new error injection knob so that we can arbitrarily slow down writeback to test for race conditions and aberrant reclaim behavior if the writeback mechanisms are slow to issue writeback. This will enable functional testing for the ifork sequence counters introduced in commit 745b3f76d1c8 ("xfs: ...
```diff diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h index 580ccbd5aadc..f5f629174eca 100644 --- a/fs/xfs/libxfs/xfs_errortag.h +++ b/fs/xfs/libxfs/xfs_errortag.h @@ -61,7 +61,8 @@ #define XFS_ERRTAG_LARP 39 #define XFS_ERRTAG_DA_LEAF_SPLIT 40 #define XFS_ERRTAG_ATTR_LEAF_TO_NODE ...
469d258d9e112fb7ed51a3b35c0c85ee106331e8
Analyze and fix the following issue in the Linux kernel code: Revert "net: stmmac: use sysfs_streq() instead of strncmp()"
Problem Details: This reverts commit f72cd76b05ea1ce9258484e8127932d0ea928f22. This patch is so broken, it hurts. Apparently no one reviewed it and it passed the build testing (because the code was compiled out), but it was obviously never compile-tested, since it produces the following build error, due to an incomplet...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 4167e768a86a..0a9d13d7976f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -7562,31 +7562,31 @@ static int __init stm...
d5082d386eee7e8ec46fa8581932c81a4961dcef
Analyze and fix the following issue in the Linux kernel code: ipv4: Fix route deletion when nexthop info is not specified
Problem Details: When the kernel receives a route deletion request from user space it tries to delete a route that matches the route attributes specified in the request. If only prefix information is specified in the request, the kernel should delete the first matching FIB alias regardless of its associated FIB info. ...
```diff diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index f721c308248b..19a662003eef 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -888,9 +888,11 @@ int fib_nh_match(struct net *net, struct fib_config *cfg, struct fib_info *fi, return 1; } - /* cannot match on nexth...
3f105a742725a1b78766a55169f1d827732e62b8
Analyze and fix the following issue in the Linux kernel code: riscv: Sync efi page table's kernel mappings before switching
Problem Details: The EFI page table is initially created as a copy of the kernel page table. With VMAP_STACK enabled, kernel stacks are allocated in the vmalloc area: if the stack is allocated in a new PGD (one that was not present at the moment of the efi page table creation or not synced in a previous vmalloc fault),...
```diff diff --git a/arch/riscv/include/asm/efi.h b/arch/riscv/include/asm/efi.h index f74879a8f1ea..e229d7be4b66 100644 --- a/arch/riscv/include/asm/efi.h +++ b/arch/riscv/include/asm/efi.h @@ -10,6 +10,7 @@ #include <asm/mmu_context.h> #include <asm/ptrace.h> #include <asm/tlbflush.h> +#include <asm/pgalloc.h> ...
1d6b5ed41f8c5c7012dbebe9bc0e2292a5a232b4
Analyze and fix the following issue in the Linux kernel code: riscv: Fix NR_CPUS range conditions
Problem Details: The conditions reference the symbol SBI_V01, which does not exist. The correct symbol is RISCV_SBI_V01. Fixes: e623715f3d67 ("RISC-V: Increase range and default value of NR_CPUS") Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Conor...
```diff diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index fa78595a6089..593cf09264d8 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -317,9 +317,9 @@ config SMP config NR_CPUS int "Maximum number of CPUs (2-512)" depends on SMP - range 2 512 if !SBI_V01 - range 2 32 if SBI_V01 && 32BIT - range...
6e8af15ccdc4e138a5b529c1901a0013e1dcaa09
Analyze and fix the following issue in the Linux kernel code: xfs: drop write error injection is unfixable, remove it
Problem Details: With the changes to scan the page cache for dirty data to avoid data corruptions from partial write cleanup racing with other page cache operations, the drop writes error injection no longer works the same way it used to and causes xfs/196 to fail. This is because xfs/196 writes to the file and populat...
```diff diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h index 5362908164b0..580ccbd5aadc 100644 --- a/fs/xfs/libxfs/xfs_errortag.h +++ b/fs/xfs/libxfs/xfs_errortag.h @@ -40,13 +40,12 @@ #define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25 #define XFS_ERRTAG_BMAP_FINISH_ONE 26 #define XFS_ERRTAG_AG_...
b6018af440a07bd0d74b58c4e18045f4a8dbfe6b
Analyze and fix the following issue in the Linux kernel code: ima: Fix hash dependency to correct algorithm
Problem Details: Commit d2825fa9365d ("crypto: sm3,sm4 - move into crypto directory") moves the SM3 and SM4 stand-alone library and the algorithm implementation for the Crypto API into the same directory, and the corresponding relationship of Kconfig is modified, CONFIG_CRYPTO_SM3/4 corresponds to the stand-alone libra...
```diff diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig index 7249f16257c7..39caeca47444 100644 --- a/security/integrity/ima/Kconfig +++ b/security/integrity/ima/Kconfig @@ -112,7 +112,7 @@ choice config IMA_DEFAULT_HASH_SM3 bool "SM3" - depends on CRYPTO_SM3=y + depends on CRYPTO_...
4bded7af8b9af6e97514b0521004f90267905aef
Analyze and fix the following issue in the Linux kernel code: tracing/user_events: Fix call print_fmt leak
Problem Details: If user_event_trace_register() fails within user_event_parse() the call's print_fmt member is not freed. Add kfree call to fix this. Link: https://lkml.kernel.org/r/20221123183248.554-1-beaub@linux.microsoft.com Fixes: aa3b2b4c6692 ("user_events: Add print_fmt generation support for basic types") Sig...
```diff diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 539b08ae7020..9cb53182bb31 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -1359,6 +1359,7 @@ put_user_lock: put_user: user_event_destroy_fields(user); user_event_destroy_validator...
e219aecfd4b766c4e878a3769057e9809f7fcadc
Analyze and fix the following issue in the Linux kernel code: f2fs: avoid victim selection from previous victim section
Problem Details: When f2fs chooses GC victim in large section & LFS mode, next_victim_seg[gc_type] is referenced first. After segment is freed, next_victim_seg[gc_type] has the next segment number. However, next_victim_seg[gc_type] still has the last segment number even after the last segment of section is freed. In th...
```diff diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 0f967b1e98f2..f1b68eda2235 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1749,8 +1749,9 @@ freed: get_valid_blocks(sbi, segno, false) == 0) seg_freed++; - if (__is_large_section(sbi) && segno + 1 < end_segno) - sbi->next_victim_seg[gc_type] = segno...
fc031877b8229ee2f56a2cc3868ca7f282b1231d
Analyze and fix the following issue in the Linux kernel code: f2fs: fix description about discard_granularity node
Problem Details: Let's fix the inconsistency in the text description. Default discard granularity is 16. For small devices, default value is 1. Signed-off-by: Yangtao Li <frank.li@vivo.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 24e7cb77f265..32404781e76f 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -138,7 +138,8 @@ Contact: "Chao Yu" <yuchao0@huawei.com> Description: Controls di...
787caf1bdcd9f04058e4e8d8ed56db1dbafea0b7
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to enable compress for newly created file if extension matches
Problem Details: If compress_extension is set, and a newly created file matches the extension, the file could be marked as compression file. However, if inline_data is also enabled, there is no chance to check its extension since f2fs_should_compress() always returns false. This patch moves set_compress_inode(), which...
```diff diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 96bd3461c0bb..f0833638f59e 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2980,7 +2980,7 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr) /* Flags that should be inherited by new inodes from their parent. */ #define F2FS_FL_INHERITED (...
bc12ac98ea2e1b70adc6478c8b473a0003b659d3
Analyze and fix the following issue in the Linux kernel code: ext4: silence the warning when evicting inode with dioread_nolock
Problem Details: When evicting an inode with default dioread_nolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It convert unwritten extents to written, the extents could be merged to upper level and free extent blocks, so it could mark the inode dirty...
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 2b5ef1b64249..7c5f5dabe0fd 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -222,13 +222,13 @@ void ext4_evict_inode(struct inode *inode) /* * For inodes with journalled data, transaction commit could have - * dirtied the inode. Flush worker is i...
4ff23a6547b81ca22adb852dfe93ee5fc45328ac
Analyze and fix the following issue in the Linux kernel code: f2fs: set zstd compress level correctly
Problem Details: Fixes: cf30f6a5f0c6 ("lib: zstd: Add kernel-specific API") Signed-off-by: Sheng Yong <shengyong@oppo.com> Reviewed-by: Chao Yu <chao@kernel.org> Reviewed-by: Nick Terrell <terrelln@fb.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index d315c2de136f..74d3f2d2271f 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -346,7 +346,7 @@ static int zstd_init_compress_ctx(struct compress_ctx *cc) if (!level) level = F2FS_ZSTD_DEFAULT_CLEVEL; - params = zstd_get_params(F2FS_ZSTD_...
b7ad23cec26a91a4f7c45ff7ff8e915f21ac5127
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to alloc_mode changed after remount on a small volume device
Problem Details: The commit 84b89e5d943d8 ("f2fs: add auto tuning for small devices") add tuning for small volume device, now support to tune alloce_mode to 'reuse' if it's small size. But the alloc_mode will change to 'default' when do remount on this small size dievce. This patch fo fix alloc_mode changed when do rem...
```diff diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 75027ff85cd9..96cfe626a670 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2059,7 +2059,11 @@ static void default_options(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE; F2FS_OPTION(sbi).inline_xattr_size = DEFAU...
d3b7b4afd6b2c344eabf9cc26b8bfa903c164c7c
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to do sanity check on i_extra_isize in is_alive()
Problem Details: syzbot found a f2fs bug: BUG: KASAN: slab-out-of-bounds in data_blkaddr fs/f2fs/f2fs.h:2891 [inline] BUG: KASAN: slab-out-of-bounds in is_alive fs/f2fs/gc.c:1117 [inline] BUG: KASAN: slab-out-of-bounds in gc_data_segment fs/f2fs/gc.c:1520 [inline] BUG: KASAN: slab-out-of-bounds in do_garbage_collect+0...
```diff diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index f1a46519a5fe..0f967b1e98f2 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1077,7 +1077,7 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, { struct page *node_page; nid_t nid; - unsigned int ofs_in_node, max_addrs; + unsigned int of...
6989ea4881c8944fbf04378418bb1af63d875ef8
Analyze and fix the following issue in the Linux kernel code: pinctrl: intel: Save and restore pins in "direct IRQ" mode
Problem Details: The firmware on some systems may configure GPIO pins to be an interrupt source in so called "direct IRQ" mode. In such cases the GPIO controller driver has no idea if those pins are being used or not. At the same time, there is a known bug in the firmwares that don't restore the pin settings correctly ...
```diff diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 52ecd66ce357..047a8374b4fd 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -436,9 +436,14 @@ static void __intel_gpio_set_direction(void __iomem *padcfg0, bool input...
ed14d225cc7c842f6d4d5a3009f71a44f5852d09
Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Fix race issue calling pin_user_pages
Problem Details: pin_user_pages() is unsafe without protection of mmap_lock, fix it by calling pin_user_pages_fast(). Fixes: 7a7a933edd6c ("drm/vmwgfx: Introduce VMware mks-guest-stats") Signed-off-by: Dawei Li <set_pte_at@outlook.com> Reviewed-by: Martin Krastev <krastevm@vmware.com> Signed-off-by: Zack Rusin <zackr@...
```diff diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c index 089046fa21be..50fa3df0bc0c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c @@ -1085,21 +1085,21 @@ int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, reset_ppn_arr...
3ca9d84e722e8044c09e80992aa7b15bd904d3ce
Analyze and fix the following issue in the Linux kernel code: KVM: always declare prototype for kvm_arch_irqchip_in_kernel
Problem Details: Architecture code might want to use it even if CONFIG_HAVE_KVM_IRQ_ROUTING is false; for example PPC XICS has KVM_IRQ_LINE and wants to use kvm_arch_irqchip_in_kernel from there, but it does not have KVM_SET_GSI_ROUTING so the prototype was not provided. Fixes: d663b8a28598 ("KVM: replace direct irq.h...
```diff diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6f0f389f5f9c..b8d12356f015 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -663,9 +663,9 @@ struct kvm_irq_routing_table { */ struct hlist_head map[]; }; +#endif bool kvm_arch_irqchip_in_kernel(struct kvm *kv...
c767c34740132ffc478226864a7461493cdc2413
Analyze and fix the following issue in the Linux kernel code: coresight: etm4x: fix repeated words in comments
Problem Details: Delete the redundant word 'the'. Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20221019124953.45885-1-yuanjilin@cdjrlc.com
```diff diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 9dc0d7f57565..1cc052979e01 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -1481,7 +1481,7 @@ static int etm4_set...
3dc228b35387803d9c43ed1b098aabb1d3ae9c7d
Analyze and fix the following issue in the Linux kernel code: coresight: cti: Fix null pointer error on CTI init before ETM
Problem Details: When CTI is discovered first then the function coresight_set_assoc_ectdev_mutex() is called to set the association between CTI and ETM device. Recent lockdep fix passes a null pointer. This patch passes the correct pointer. Before patch: log of boot oops sequence with CTI discovered first: [ 12.42...
```diff diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c index c6e8c6542f24..d2cf4f4848e1 100644 --- a/drivers/hwtracing/coresight/coresight-cti-core.c +++ b/drivers/hwtracing/coresight/coresight-cti-core.c @@ -564,7 +564,7 @@ static void cti_add_assoc_to_...
20ee8c223f792947378196307d8e707c9cdc2d61
Analyze and fix the following issue in the Linux kernel code: coresight: trbe: remove cpuhp instance node before remove cpuhp state
Problem Details: cpuhp_state_add_instance() and cpuhp_state_remove_instance() should be used in pairs. Or there will lead to the warn on cpuhp_remove_multi_state() since the cpuhp_step list is not empty. The following is the error log with 'rmmod coresight-trbe': Error: Removing state 215 which has instances left. Cal...
```diff diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c index 2b386bb848f8..1fc4fd79a1c6 100644 --- a/drivers/hwtracing/coresight/coresight-trbe.c +++ b/drivers/hwtracing/coresight/coresight-trbe.c @@ -1434,6 +1434,7 @@ static int arm_trbe_probe_cpuhp(struct trbe...
3f054211b29c0fa06dfdcab402c795fd7e906be1
Analyze and fix the following issue in the Linux kernel code: NFSD: Fix licensing header in filecache.c
Problem Details: Add a missing SPDX header. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Jeff Layton <jlayton@kernel.org>
```diff diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 897dd47ffb0a..deab9b765c88 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -1,5 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * Open file cache. + * The NFSD open file cache. * * (c) 2015 - Jeff Layton <jeff.layton@primarydata.c...
4d1ea8455716ca070e3cd85767e6f6a562a58b1b
Analyze and fix the following issue in the Linux kernel code: NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection
Problem Details: NFSv4 operations manage the lifetime of nfsd_file items they use by means of NFSv4 OPEN and CLOSE. Hence there's no need for them to be garbage collected. Introduce a mechanism to enable garbage collection for nfsd_file items used only by NFSv2/3 callers. Note that the change in nfsd_file_put() ensur...
```diff diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index babea79d3f6f..cee44405cf7d 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -63,6 +63,7 @@ struct nfsd_file_lookup_key { struct net *net; const struct cred *cred; unsigned char need; + bool gc; enum nfsd_file_lookup_type t...
e0aa651068bfd520afcd357af8ecd2de005fc83d
Analyze and fix the following issue in the Linux kernel code: nfsd: don't call nfsd_file_put from client states seqfile display
Problem Details: We had a report of this: BUG: sleeping function called from invalid context at fs/nfsd/filecache.c:440 ...with a stack trace showing nfsd_file_put being called from nfs4_show_open. This code has always tried to call fput while holding a spinlock, but we recently changed this to use the filecache,...
```diff diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 836bd825ca4a..52b5552d0d70 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -675,15 +675,26 @@ find_any_file(struct nfs4_file *f) return ret; } -static struct nfsd_file *find_deleg_file(struct nfs4_file *f) +static struct nfsd_file *...
427505ffeaa464f683faba945a88d3e3248f6979
Analyze and fix the following issue in the Linux kernel code: exportfs: use pr_debug for unreachable debug statements
Problem Details: expfs.c has a bunch of dprintk statements which are unusable due to: #define dprintk(fmt, args...) do{}while(0) Use pr_debug so that they can be enabled dynamically. Also make some minor changes to the debug statements to fix some incorrect types, and remove __func__ which can be handled by dynamic de...
```diff diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index c648a493faf2..3204bd33e4e8 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -18,7 +18,7 @@ #include <linux/sched.h> #include <linux/cred.h> -#define dprintk(fmt, args...) do{}while(0) +#define dprintk(fmt, args...) pr_debug(fmt, ##arg...
841fd0a3cb490eae5dfd262eccb8c8b11d57f8b8
Analyze and fix the following issue in the Linux kernel code: NFSD: Finish converting the NFSv3 GETACL result encoder
Problem Details: For some reason, the NFSv2 GETACL result encoder was fully converted to use the new nfs_stream_encode_acl(), but the NFSv3 equivalent was not similarly converted. Fixes: 20798dfe249a ("NFSD: Update the NFSv3 GETACL result encoder to use struct xdr_stream") Reviewed-by: Jeff Layton <jlayton@kernel.org>...
```diff diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c index 2fb9ee356455..a34a22e272ad 100644 --- a/fs/nfsd/nfs3acl.c +++ b/fs/nfsd/nfs3acl.c @@ -171,11 +171,7 @@ nfs3svc_encode_getaclres(struct svc_rqst *rqstp, struct xdr_stream *xdr) { struct nfsd3_getaclres *resp = rqstp->rq_resp; struct dentry *dentry = r...
ea5021e911d3479346a75ac9b7d9dcd751b0fb99
Analyze and fix the following issue in the Linux kernel code: NFSD: Finish converting the NFSv2 GETACL result encoder
Problem Details: The xdr_stream conversion inadvertently left some code that set the page_len of the send buffer. The XDR stream encoders should handle this automatically now. This oversight adds garbage past the end of the Reply message. Clients typically ignore the garbage, but NFSD does not need to send it, as it l...
```diff diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c index 13e6e6897f6c..65d4511b7af0 100644 --- a/fs/nfsd/nfs2acl.c +++ b/fs/nfsd/nfs2acl.c @@ -246,7 +246,6 @@ nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, struct xdr_stream *xdr) struct nfsd3_getaclres *resp = rqstp->rq_resp; struct dentry *dentry = res...
9c8921555907f4d723f01ed2d859b66f2d14f08e
Analyze and fix the following issue in the Linux kernel code: EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
Problem Details: As the comment of pci_get_domain_bus_and_slot() says, it returns a PCI device with refcount incremented, so it doesn't need to call an extra pci_dev_get() in pci_get_dev_wrapper(), and the PCI device needs to be put in the error path. Fixes: d4dc89d069aa ("EDAC, i10nm: Add a driver for Intel 10nm serv...
```diff diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c index a22ea053f8e1..8af4d2523194 100644 --- a/drivers/edac/i10nm_base.c +++ b/drivers/edac/i10nm_base.c @@ -304,11 +304,10 @@ static struct pci_dev *pci_get_dev_wrapper(int dom, unsigned int bus, if (unlikely(pci_enable_device(pdev) < 0)) { ...
02228f6aa6a64d588bc31e3267d05ff184d772eb
Analyze and fix the following issue in the Linux kernel code: regulator: da9211: Use irq handler when ready
Problem Details: If the system does not come from reset (like when it is kexec()), the regulator might have an IRQ waiting for us. If we enable the IRQ handler before its structures are ready, we crash. This patch fixes: [ 1.141839] Unable to handle kernel read from unreadable memory at virtual address 0000000000...
```diff diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c index e01b32d1fa17..00828f5baa97 100644 --- a/drivers/regulator/da9211-regulator.c +++ b/drivers/regulator/da9211-regulator.c @@ -498,6 +498,12 @@ static int da9211_i2c_probe(struct i2c_client *i2c) chip->chip_irq = i2c...
fea858dc5d901626e5d794037b5bff9f59b9ded7
Analyze and fix the following issue in the Linux kernel code: iommu/hyper-v: Allow hyperv irq remapping without x2apic
Problem Details: If x2apic is not available, hyperv-iommu skips remapping irqs. This breaks root partition which always needs irqs remapped. Fix this by allowing irq remapping regardless of x2apic, and change hyperv_enable_irq_remapping() to return IRQ_REMAP_XAPIC_MODE in case x2apic is missing. Tested with root and ...
```diff diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 831613959a92..46668e255421 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -475,6 +475,12 @@ static bool __init ms_hyperv_x2apic_available(void) * (logically) generates MSIs directly to the s...
fce444fa37bef2d3382b7b44e42c6ef65040ec67
Analyze and fix the following issue in the Linux kernel code: hv: fix comment typo in vmbus_channel/low_latency
Problem Details: morev vs. more. Signed-off-by: Olaf Hering <olaf@aepfle.de> Link: https://lore.kernel.org/r/20221105115401.21592-1-olaf@aepfle.de Signed-off-by: Wei Liu <wei.liu@kernel.org>
```diff diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 646f1da9f27e..85f7c5a63aa6 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -969,7 +969,7 @@ struct vmbus_channel { * mechanism improves throughput by: * * A) Making the host more efficient - each time it wakes up, - ...
1d044ca035dc22df0d3b39e56f2881071d9118bd
Analyze and fix the following issue in the Linux kernel code: video: hyperv_fb: Avoid taking busy spinlock on panic path
Problem Details: The Hyper-V framebuffer code registers a panic notifier in order to try updating its fbdev if the kernel crashed. The notifier callback is straightforward, but it calls the vmbus_sendpacket() routine eventually, and such function takes a spinlock for the ring buffer operations. Panic path runs in atom...
```diff diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 59a4aa86d1f3..c6692fd5ab15 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -280,6 +280,19 @@ void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info) ring_info->pkt_buffer_size = 0; } +/* + * Check if th...
aebb02ce8b36d20464404206b89069dc9239a7f0
Analyze and fix the following issue in the Linux kernel code: mm/page_reporting: Add checks for page_reporting_order param
Problem Details: Current code allows the page_reporting_order parameter to be changed via sysfs to any integer value. The new value is used immediately in page reporting code with no validation, which could cause incorrect behavior. Fix this by adding validation of the new value. Export this parameter for use in the ...
```diff diff --git a/mm/page_reporting.c b/mm/page_reporting.c index 382958eef8a9..79a8554f024c 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -11,10 +11,42 @@ #include "page_reporting.h" #include "internal.h" -unsigned int page_reporting_order = MAX_ORDER; -module_param(page_reporting_order, uint, 0...
4cbb264d4e9136acab2c8fd39e39ab1b1402b84b
Analyze and fix the following issue in the Linux kernel code: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready
Problem Details: If the device does not come straight from reset, we might receive an IRQ before we are ready to handle it. Fixes: [ 2.334737] Unable to handle kernel read from unreadable memory at virtual address 00000000000001e4 [ 2.522601] Call trace: [ 2.525040] regmap_read+0x1c/0x80 [ 2.528434] mt8...
```diff diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c index dcaeeeb8aac7..bc155dd937e0 100644 --- a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c +++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c @@ -1070,16 +1070,6 @@ static int mt8173_afe_pcm_dev_probe(struct platfor...
c6f7874687f7027d7c4b2f53ff6e4d22850f915d
Analyze and fix the following issue in the Linux kernel code: spi: mediatek: Enable irq when pdata is ready
Problem Details: If the device does not come straight from reset, we might receive an IRQ before we are ready to handle it. Fixes: [ 0.832328] Unable to handle kernel read from unreadable memory at virtual address 0000000000000010 [ 1.040343] Call trace: [ 1.040347] mtk_spi_can_dma+0xc/0x40 ... [ 1.26226...
```diff diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 11aeae7fe7fc..f011b5ff6821 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -1189,11 +1189,6 @@ static int mtk_spi_probe(struct platform_device *pdev) else dma_set_max_seg_size(dev, SZ_256K); - ret = devm_reques...
f31f7cd9875c2ab744006bd2ad25641db53f079d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mei: fix parameter passing to iwl_mei_alive_notif()
Problem Details: Pass true explicitly to iwl_mei_alive_notif() when we can be sure that Alive notification was received. The issue was discovered by Smatch. Reported-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/all/Y3uYUEFnMiBY2ABQ@kili/ Link: https://lore.kernel.org/r/20221123225313.83c2251055c...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 2f4c9e653e99..0a41cd0ab243 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -418,7 +418,8 @@ static int iwl_mvm_load_ucode_wait_alive(struct i...
0473cbae2137b963bd0eaa74336131cb1d3bc6c3
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix double free on tx path.
Problem Details: We see kernel crashes and lockups and KASAN errors related to ax210 firmware crashes. One of the KASAN dumps pointed at the tx path, and it appears there is indeed a way to double-free an skb. If iwl_mvm_tx_skb_sta returns non-zero, then the 'skb' sent into the method will be freed. But, in case whe...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index f460332333a7..fadaa683a416 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1215,6 +1215,7 @@ int iwl_mvm_tx_skb_sta(struct iwl_mvm *mvm, str...
56731878c68255745dc0116300d531b24d950f0d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: print OTP info after alive
Problem Details: These are register values which are needed for debug regardless of alive fail/success. Signed-off-by: Daniel Gabay <daniel.gabay@intel.com> Link: https://lore.kernel.org/r/20221123225313.a5ae3679491b.Ic618934df084a9b269e56d892665523c79e40eee@changeid Signed-off-by: Gregory Greenman <gregory.greenman@i...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index ef43f6971cd9..b3101d12a0a1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -354,6 +354,18 @@ static int iwl_mvm_load_ucode_wait_alive(struct ...
35ea5f619480e81efb652c8e1cab5fd1a3964ae3
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: advertise 320 MHz in 6 GHz only conditionally
Problem Details: We can't have it in AP mode unless for debug, since we don't have 160 MHz in HE PHY capabilities, and also set it only in 6 GHz even if (unlike in HE) it's always defined. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20221122220713.293ef3e5a1c4.I867526a6bd3f93...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index e83382ded8af..b59e61a76b70 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -873,6 +873,10 @@ iwl_nvm_fixup_sband_...
3895f1609c2e4e274a9a02b412e318a3b11e8032
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: set HE PHY bandwidth according to band
Problem Details: The bits are reserved on the opposite bands, so we shouldn't always send them, only the 2G bit on 2.4 GHz and the 5G bits on 5/6GHz. Fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20221122220713.0a075d00c796.Ib4cac0b7f90dfadebceceb1e07c8cdfd7a4138f6@ch...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 2b43fff4d3f9..e83382ded8af 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -1,6 +1,6 @@ // SPDX-License-Identifi...
b41b98e12a954c306e8eb9527ada0a70db339683
Analyze and fix the following issue in the Linux kernel code: fs/ext2: Fix code indentation
Problem Details: ts=4 can cause misunderstanding in code reading. It is better to replace 8 spaces with one tab. Signed-off-by: Rong Tao <rongtao@cestc.cn> Signed-off-by: Jan Kara <jack@suse.cz>
```diff diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 5dc0a31f4a08..eca60b747c6b 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -667,7 +667,7 @@ ext2_try_to_allocate(struct super_block *sb, int group, { ext2_fsblk_t group_first_block = ext2_group_first_block_no(sb, group); ext2_fsblk_t group_last...
823092a53556ebf8656623d0e857626d30fe1e18
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: fix race condition when doing H2C command
Problem Details: For SDIO/USB interface, since the tranferring speed is slower than that in PCIE, it may have race condition when the driver sets down H2C command to the FW. In the function rtw_fw_send_h2c_command, before the patch, box_reg is written first, then box_ex_reg is written. FW starts to work and fetch the ...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 0b5f903c0f36..b290811d75e1 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -311,10 +311,10 @@ EXPORT_SYMBOL(rtw_fw_c2h_cmd_isr); static void rtw_fw_send_h2c...
7927afb5e27baac694f585b59c436ba323528dc2
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Fix use after rcu_read_unlock in rtl8xxxu_bss_info_changed
Problem Details: Commit a8b5aef2cca1 ("wifi: rtl8xxxu: gen2: Enable 40 MHz channel width") introduced a line where the pointer returned by ieee80211_find_sta() is used after rcu_read_unlock(). Move rcu_read_unlock() a bit lower to fix this. Fixes: a8b5aef2cca1 ("wifi: rtl8xxxu: gen2: Enable 40 MHz channel width") Sig...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index e8fcd531c437..28f136064297 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -4645,7 +4645,6 @@ rtl8xxx...
895b3b06efc285c1245242e9638b9ae251dc13ec
Analyze and fix the following issue in the Linux kernel code: wifi: plfxlc: fix potential memory leak in __lf_x_usb_enable_rx()
Problem Details: urbs does not be freed in exception paths in __lf_x_usb_enable_rx(). That will trigger memory leak. To fix it, add kfree() for urbs within "error" label. Compile tested only. Fixes: 68d57a07bfe5 ("wireless: add plfxlc driver for pureLiFi X, XL, XC devices") Signed-off-by: Ziyang Xuan <william.xuanziya...
```diff diff --git a/drivers/net/wireless/purelifi/plfxlc/usb.c b/drivers/net/wireless/purelifi/plfxlc/usb.c index 39e54b3787d6..76d0a778636a 100644 --- a/drivers/net/wireless/purelifi/plfxlc/usb.c +++ b/drivers/net/wireless/purelifi/plfxlc/usb.c @@ -247,6 +247,7 @@ error: for (i = 0; i < RX_URBS_COUNT; i++) fre...
e4baf845364637bfe56228b282b8795a77d0f8af
Analyze and fix the following issue in the Linux kernel code: ALSA: pcm: fix tracing reason in hw_ptr_error
Problem Details: Strings need to be specially marked in trace events to ensure the content is captured, othewise the trace just shows the value of the pointer. Signed-off-by: John Keeping <john@metanate.com> Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20221125162327.297440-1...
```diff diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h index f18da2050772..350b40b906ca 100644 --- a/sound/core/pcm_trace.h +++ b/sound/core/pcm_trace.h @@ -88,19 +88,19 @@ TRACE_EVENT(hw_ptr_error, __field( unsigned int, device ) __field( unsigned int, number ) __field( unsigned int, stream ) - ...
9d86515c3d4c0564a0c31a2df87d735353a1971e
Analyze and fix the following issue in the Linux kernel code: ALSA: asihpi: fix missing pci_disable_device()
Problem Details: pci_disable_device() need be called while module exiting, switch to use pcim_enable(), pci_disable_device() will be called in pcim_release(). Fixes: 3285ea10e9b0 ("ALSA: asihpi - Interrelated HPI tidy up.") Signed-off-by: Liu Shixin <liushixin2@huawei.com> Link: https://lore.kernel.org/r/2022112602142...
```diff diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index bb31b7fe867d..477a5b4b50bc 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -361,7 +361,7 @@ int asihpi_adapter_probe(struct pci_dev *pci_dev, pci_dev->device, pci_dev->subsystem_vendor, pci_dev->subsyste...
f39f8709c217d82aabbf51d8669731137ce09aea
Analyze and fix the following issue in the Linux kernel code: regulator: rk808: Use dev_err_probe
Problem Details: Print error message for potential EPROBE_DEFER error using dev_err_probe, which captures the reason in /sys/kernel/debug/devices_deferred and otherwise silences the message. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://lore.kernel.org/r/20221020204251.108565-12-seba...
```diff diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index ce9c64cadeba..fa9fc1aa1ae3 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -1343,11 +1343,9 @@ static int rk808_regulator_probe(struct platform_device *pdev) for (i = 0; i...
5fabcc90e79b460d72df582b31854f6018695965
Analyze and fix the following issue in the Linux kernel code: ASoC: rt5640: Fix Jack work after system suspend
Problem Details: We found an corner case in RT5640 codec driver which schedules jack work after system suspend as IRQ was enabled. Due to this, hitting the error as register access happening after suspend as jack worker thread getting scheduled in irq handler. The patch disables the irq during the suspend to prevent th...
```diff diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index 0f8e6dd214b0..708e55b7431a 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -2792,6 +2792,11 @@ static int rt5640_suspend(struct snd_soc_component *component) { struct rt5640_priv *rt5640 = snd_soc_component_get...
f9ced7dbbb551885c63632f1594997bdaf2177ee
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: amd: Fix for selecting clock source as external clock.
Problem Details: By default clock source is selected as internal clock of 96Mhz which is not configurable. Now we select the clock source to external clock (ACLK) which can be configurable to different clock ranges depending on usecase. Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com> Link: https://lor...
```diff diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 36966643e36a..47115a77c92c 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -390,6 +390,7 @@ static int acp_power_on(struct snd_sof_dev *sdev) static int acp_reset(struct snd_sof_dev *sdev) { + const struct sof_amd_acp...
aae7e412b0ec0378e392b18c50b612dae09cdb74
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: amd: Fix for reading position updates from stream box.
Problem Details: By default the position updates are read from dsp box when streambox size is not defined.if the streambox size is defined to some value then position updates can be read from the streambox. Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com> Link: https://lore.kernel.org/r/20221123121911....
```diff diff --git a/sound/soc/sof/amd/acp-common.c b/sound/soc/sof/amd/acp-common.c index 27b95187356e..150e042e4039 100644 --- a/sound/soc/sof/amd/acp-common.c +++ b/sound/soc/sof/amd/acp-common.c @@ -76,6 +76,7 @@ struct snd_sof_dsp_ops sof_acp_common_ops = { /*IPC */ .send_msg = acp_sof_ipc_send_msg, .ipc_ms...
0c76ef3f26d5ef2ac2c21b47e7620cff35809fbb
Analyze and fix the following issue in the Linux kernel code: kprobes: Fix check for probe enabled in kill_kprobe()
Problem Details: In kill_kprobe(), the check whether disarm_kprobe_ftrace() needs to be called always fails. This is because before that we set the KPROBE_FLAG_GONE flag for kprobe so that "!kprobe_disabled(p)" is always false. The disarm_kprobe_ftrace() call introduced by commit: 0cb2f1372baa ("kprobes: Fix NULL p...
```diff diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 3050631e528d..a35074f0daa1 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2364,6 +2364,14 @@ static void kill_kprobe(struct kprobe *p) lockdep_assert_held(&kprobe_mutex); + /* + * The module is going away. We should disarm the kprobe which ...
a81047154e7ce4eb8769d5d21adcbc9693542a79
Analyze and fix the following issue in the Linux kernel code: netfilter: flowtable_offload: fix using __this_cpu_add in preemptible
Problem Details: flow_offload_queue_work() can be called in workqueue without bh disabled, like the call trace showed in my act_ct testing, calling NF_FLOW_TABLE_STAT_INC() there would cause a call trace: BUG: using __this_cpu_add() in preemptible [00000000] code: kworker/u4:0/138560 caller is flow_offload_queue_w...
```diff diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 00b522890d77..0fdcdb2c9ae4 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -997,13 +997,13 @@ static void flow_offload_queue_work(struct flow_offload_work *offload) ...
97d4d394b58777f7056ebba8ffdb4002d0563259
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo: Actually validate intervals in fields after the first one
Problem Details: Embarrassingly, nft_pipapo_insert() checked for interval validity in the first field only. The start_p and end_p pointers were reset to key data from the first field at every iteration of the loop which was supposed to go over the set fields. Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrar...
```diff diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 4f9299b9dcdd..06d46d182634 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -1162,6 +1162,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, struct nft_pipapo_...
21d0798acf85e9ff8a6c7d8918df7d98e145d688
Analyze and fix the following issue in the Linux kernel code: ARM: 9276/1: Refactor dump_instr()
Problem Details: 1. Rename local variable 'val16' to 'tmp'. So that the processing statements of thumb and arm can be aligned. 2. Fix two sparse check warnings: (add __user for type conversion) warning: incorrect type in initializer (different address spaces) expected unsigned short [noderef] __user *regist...
```diff diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 20b2db6dcd1c..a92e07637395 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -178,19 +178,20 @@ static void dump_instr(const char *lvl, struct pt_regs *regs) for (i = -4; i < 1 + !!thumb; i++) { unsigned int val, bad; ...
59e2cf8d21e05391c42628eb9fb5bb40f9d9698f
Analyze and fix the following issue in the Linux kernel code: ARM: 9275/1: Drop '-mthumb' from AFLAGS_ISA
Problem Details: When building with CONFIG_THUMB2_KERNEL=y + a version of clang from Debian using CROSS_COMPILE=arm-linux-gnueabihf-, the following warning occurs frequently: <built-in>:383:9: warning: '__thumb2__' macro redefined [-Wmacro-redefined] #define __thumb2__ 2 ^ <built-in>:353:9: note: previ...
```diff diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 357f0d9b8607..d1ebb746ff40 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -131,8 +131,9 @@ endif AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) ifeq ($(CONFIG_THUMB2_KERNEL),y) -CFLAGS_ISA :=-mthumb -Wa,-mim...
ea5ef136e215fdef35f14010bc51fcd6686e6922
Analyze and fix the following issue in the Linux kernel code: RDMA/nldev: Add checks for nla_nest_start() in fill_stat_counter_qps()
Problem Details: As the nla_nest_start() may fail with NULL returned, the return value needs to be checked. Fixes: c4ffee7c9bdb ("RDMA/netlink: Implement counter dumpit calback") Signed-off-by: Yuan Can <yuancan@huawei.com> Link: https://lore.kernel.org/r/20221126043410.85632-1-yuancan@huawei.com Signed-off-by: Leon R...
```diff diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 2be76a3fdd87..ca0ed7d14326 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -894,6 +894,8 @@ static int fill_stat_counter_qps(struct sk_buff *msg, int ret = 0; table_attr = nla_nest_st...
5acf07ff25f0c1c44105e6b8ebf88c55a0a04d2f
Analyze and fix the following issue in the Linux kernel code: soc: apple: rtkit: Stop casting function pointer signatures
Problem Details: Fixes: 9bd1d9a0d8bb ("soc: apple: Add RTKit IPC library") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Sven Peter <sven@svenpeter.dev> Signed-off-by: Hector Martin <marcan@marcan.st>
```diff diff --git a/drivers/soc/apple/rtkit.c b/drivers/soc/apple/rtkit.c index 031ec4aa06d5..8ec74d7539eb 100644 --- a/drivers/soc/apple/rtkit.c +++ b/drivers/soc/apple/rtkit.c @@ -926,8 +926,10 @@ int apple_rtkit_wake(struct apple_rtkit *rtk) } EXPORT_SYMBOL_GPL(apple_rtkit_wake); -static void apple_rtkit_free(s...
422d0b860dc223b5dfc6d083697cae258bb5a4a1
Analyze and fix the following issue in the Linux kernel code: soc: apple: sart: Stop casting function pointer signatures
Problem Details: Fixes: b170143ae111 ("soc: apple: Add SART driver") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Sven Peter <sven@svenpeter.dev> Signed-off-by: Hector Martin <marcan@marcan.st>
```diff diff --git a/drivers/soc/apple/sart.c b/drivers/soc/apple/sart.c index 83804b16ad03..afa111736899 100644 --- a/drivers/soc/apple/sart.c +++ b/drivers/soc/apple/sart.c @@ -164,6 +164,11 @@ static int apple_sart_probe(struct platform_device *pdev) return 0; } +static void apple_sart_put_device(void *dev) +{ ...
c34ca4f32c24bf748493b49085e43cd714cf8357
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fix incorrect skb length
Problem Details: skb passed to network layer contains incorrect length. In mux aggregation protocol, the datagram block received from device contains block signature, packet & datagram header. The right skb len to be calculated by subracting datagram pad len from datagram length. Whereas in mux lite protocol, the skb...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index 738420bd14af..d6b166fc5c0e 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -365,7 +365,8 @@ static void ipc_mux_dl_cmd_decode(struct iosm_mux *ip...
2290a1d46bf30f9e0bcf49ad20d5c30d0e099989
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fix crash in peek throughput test
Problem Details: Peek throughput UL test is resulting in crash. If the UL transfer block free list is exhaust, the peeked skb is freed. In the next transfer freed skb is referred from UL list which results in crash. Don't free the skb if UL transfer blocks are unavailable. The pending skb will be picked for transfer o...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index c16365123660..738420bd14af 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -1207,10 +1207,9 @@ static int mux_ul_dg_update_tbl_index(struct iosm_...
4a99e3c8ed888577b947cbed97d88c9706896105
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fix dma_alloc_coherent incompatible pointer type
Problem Details: Fix build error reported on armhf while preparing 6.1-rc5 for Debian. iosm_ipc_protocol.c:244:36: error: passing argument 3 of 'dma_alloc_coherent' from incompatible pointer type. Change phy_ap_shm type from phys_addr_t to dma_addr_t. Fixes: faed4c6f6f48 ("net: iosm: shared memory protocol") Reporte...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_protocol.h b/drivers/net/wwan/iosm/iosm_ipc_protocol.h index 9b3a6d86ece7..289397c4ea6c 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_protocol.h +++ b/drivers/net/wwan/iosm/iosm_ipc_protocol.h @@ -122,7 +122,7 @@ struct iosm_protocol { struct iosm_imem *imem; struct...
985a02e75881b73a43c9433a718b49d272a9dd6b
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fix kernel test robot reported error
Problem Details: sparse warnings - iosm_ipc_mux_codec.c:1474 using plain integer as NULL pointer. Use skb_trim() to reset skb tail & len. Fixes: 9413491e20e1 ("net: iosm: encode or decode datagram") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com> Signed-of...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index d41e373f9c0a..c16365123660 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -1471,8 +1471,7 @@ void ipc_mux_ul_encoded_process(struct iosm_mux *ip...
7642cc28fd37a15feacff0ccf0e5a8466630df5d
Analyze and fix the following issue in the Linux kernel code: net: phylink: fix PHY validation with rate adaption
Problem Details: Tim Harvey reports that link modes which he does not expect to be supported are being advertised, and this is because of the workaround we have for PHYs that switch interface modes. Fix this up by checking whether rate matching will be used for the requested interface mode, and if rate matching will b...
```diff diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 6547b6cc6cbe..2805b04d6402 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1603,19 +1603,29 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy, linkmode_copy(supported, phy->supported)...
9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
Analyze and fix the following issue in the Linux kernel code: net: ethernet: nixge: fix NULL dereference
Problem Details: In function nixge_hw_dma_bd_release() dereference of NULL pointer priv->rx_bd_v is possible for the case of its allocation failure in nixge_hw_dma_bd_init(). Move for() loop with priv->rx_bd_v dereference under the check for its validity. Found by Linux Verification Center (linuxtesting.org) with SVA...
```diff diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c index 19d043b593cc..62320be4de5a 100644 --- a/drivers/net/ethernet/ni/nixge.c +++ b/drivers/net/ethernet/ni/nixge.c @@ -249,25 +249,26 @@ static void nixge_hw_dma_bd_release(struct net_device *ndev) struct sk_buff *skb; int i; ...
dcc14cfd7debe11b825cb077e75d91d2575b4cb8
Analyze and fix the following issue in the Linux kernel code: net/9p: Fix a potential socket leak in p9_socket_open
Problem Details: Both p9_fd_create_tcp() and p9_fd_create_unix() will call p9_socket_open(). If the creation of p9_trans_fd fails, p9_fd_create_tcp() and p9_fd_create_unix() will return an error directly instead of releasing the cscoket, which will result in a socket leak. This patch adds sock_release() to fix the lea...
```diff diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index 56a186768750..f834726d21ea 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -860,8 +860,10 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket) struct file *file; p = kzalloc(sizeof(struct p9_trans_fd), GFP_KERNEL)...
b8f79dccd38edf7db4911c353d9cd792ab13a327
Analyze and fix the following issue in the Linux kernel code: net: net_netdev: Fix error handling in ntb_netdev_init_module()
Problem Details: The ntb_netdev_init_module() returns the ntb_transport_register_client() directly without checking its return value, if ntb_transport_register_client() failed, the NTB client device is not unregistered. Fix by unregister NTB client device when ntb_transport_register_client() failed. Fixes: 548c237c0a...
```diff diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 464d88ca8ab0..a4abea921046 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -484,7 +484,14 @@ static int __init ntb_netdev_init_module(void) rc = ntb_transport_register_client_dev(KBUILD_MODNAME); if (rc) return...
46fb6512538d201d9a5b2bd7138b6751c37fdf0b
Analyze and fix the following issue in the Linux kernel code: net: ethernet: ti: am65-cpsw: fix error handling in am65_cpsw_nuss_probe()
Problem Details: The am65_cpsw_nuss_cleanup_ndev() function calls unregister_netdev() even if register_netdev() fails, which triggers WARN_ON(1) in unregister_netdevice_many(). To fix it, make sure that unregister_netdev() is called only on registered netdev. Compile tested only. Fixes: 84b4aa493249 ("net: ethernet: ...
```diff diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index c50b137f92d7..d04a239c658e 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -2082,7 +2082,7 @@ static void am65_cpsw_nuss_cleanup_ndev(struct am65_cpsw_co...
0ae41323a83233610e64e926eefb4d132ecb9028
Analyze and fix the following issue in the Linux kernel code: drm/vc4: vec: Use pm_runtime_resume_and_get() in vc4_vec_encoder_enable()
Problem Details: Commit f0601ef8631c ("drm/vc4: vec: Protect device resources after removal") add fail path for vc4_vec_encoder_enable(), and will put usage_counter only when pm_runtime_get_sync() succeeds. However, pm_runtime_get_sync() will increment usage_counter even it failed. Fix it by replacing it with pm_runtim...
```diff diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c index d23dbad3cbf6..e270a4099be3 100644 --- a/drivers/gpu/drm/vc4/vc4_vec.c +++ b/drivers/gpu/drm/vc4/vc4_vec.c @@ -558,7 +558,7 @@ static void vc4_vec_encoder_enable(struct drm_encoder *encoder, if (!tv_mode) goto err_dev_exit; -...
456b59e757b0c558df550764a4fd5ae6877e93f8
Analyze and fix the following issue in the Linux kernel code: ovl: update ->f_iocb_flags when ovl_change_flags() modifies ->f_flags
Problem Details: ovl_change_flags() is an open-coded variant of fs/fcntl.c:setfl() and it got missed by commit 164f4064ca81 ("keep iocb_flags() result cached in struct file"); the same change applies there. Reported-by: Pierre Labastie <pierre.labastie@neuf.fr> Fixes: 164f4064ca81 ("keep iocb_flags() result cached in ...
```diff diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index a1a22f58ba18..dd688a842b0b 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -96,6 +96,7 @@ static int ovl_change_flags(struct file *file, unsigned int flags) spin_lock(&file->f_lock); file->f_flags = (file->f_flags & ~OVL_SETFL_MASK...
e3479398bcf4f92c1ee513a277f5d3732a90e9f1
Analyze and fix the following issue in the Linux kernel code: drm/vc4: kms: Sort the CRTCs by output before assigning them
Problem Details: On the vc4 devices (and later), the blending is done by a single device called the HVS. The HVS has three FIFO that can operate in parallel, and route their output to 6 CRTCs and 7 encoders on the BCM2711. Each of these CRTCs and encoders have some constraints on which FIFO they can feed from, so we n...
```diff diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index f5a52c56891c..7282545c54a1 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -12,6 +12,7 @@ */ #include <linux/clk.h> +#include <linux/sort.h> #include <drm/drm_atomic.h> #include <drm/drm_a...
27e714c007e4ad01837bf0fac5c11913a38d7695
Analyze and fix the following issue in the Linux kernel code: ext2: unbugger ext2_empty_dir()
Problem Details: In 27cfa258951a "ext2: fix fs corruption when trying to remove a non-empty directory with IO error" a funny thing has happened: - page = ext2_get_page(inode, i, dir_has_error, &page_addr); + page = ext2_get_page(inode, i, 0, &page_addr); - if (IS_ERR(page)) ...
```diff diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 6fa714dbee84..e5cbc27ba459 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -684,7 +684,7 @@ int ext2_empty_dir (struct inode * inode) page = ext2_get_page(inode, i, 0, &page_addr); if (IS_ERR(page)) - goto not_empty; + return 0; kaddr = page_ad...
672e4268b2863d7e4978dfed29552b31c2f9bd4e
Analyze and fix the following issue in the Linux kernel code: ovl: fix use inode directly in rcu-walk mode
Problem Details: ovl_dentry_revalidate_common() can be called in rcu-walk mode. As document said, "in rcu-walk mode, d_parent and d_inode should not be used without care". Check inode here to protect access under rcu-walk mode. Fixes: bccece1ead36 ("ovl: allow remote upper") Reported-and-tested-by: syzbot+a4055c7877...
```diff diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index a29a8afe9b26..3d14a3f1465d 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -139,11 +139,16 @@ static int ovl_dentry_revalidate_common(struct dentry *dentry, unsigned int flags, bool weak) { struct ovl_entry *oe = dentry->d_f...
09f530f0c6d6689eee5e690c6d98f495fcc3a0f9
Analyze and fix the following issue in the Linux kernel code: RDMA: Add netdevice_tracker to ib_device_set_netdev()
Problem Details: This will cause an informative backtrace to print if the user of ib_device_set_netdev() isn't careful about tearing down the ibdevice before its the netdevice parent is destroyed. Such as like this: unregister_netdevice: waiting for vlan0 to become free. Usage count = 2 leaked reference. ib_dev...
```diff diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 3409c55ea88b..ff35cebb25e2 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2159,14 +2159,16 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, return 0; ...
ec851b23084b3a0af8bf0f5e51d33a8d678bdc49
Analyze and fix the following issue in the Linux kernel code: gpiolib: fix memory leak in gpiochip_setup_dev()
Problem Details: Here is a backtrace report about memory leak detected in gpiochip_setup_dev(): unreferenced object 0xffff88810b406400 (size 512): comm "python3", pid 1682, jiffies 4295346908 (age 24.090s) backtrace: kmalloc_trace device_add device_private_init at drivers/base/core.c:3361 (inlined by) ...
```diff diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 4756ea08894f..a70522aef355 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -526,12 +526,13 @@ static int gpiochip_setup_dev(struct gpio_device *gdev) if (ret) return ret; + /* From this point, the .release() function c...
5776a9cd2a66cdc037c8e6ee34cde40ee768893d
Analyze and fix the following issue in the Linux kernel code: NFS: Fix a race in nfs_call_unlink()
Problem Details: We should check that the filehandles match before transferring the sillyrename data to the newly looked-up dentry in case the name was reused on the server. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 9697cd5d2561..150a953a8be9 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -139,6 +139,7 @@ static int nfs_call_unlink(struct dentry *dentry, struct inode *inode, struct nf */ spin_lock(&alias->d_lock); if (d_really_is_positive(alias) && + ...
35e3b6ae84935d0d7ff76cbdaa83411b0ad5e471
Analyze and fix the following issue in the Linux kernel code: NFS: Fix an Oops in nfs_d_automount()
Problem Details: When mounting from a NFSv4 referral, path->dentry can end up being a negative dentry, so derive the struct nfs_server from the dentry itself instead. Fixes: 2b0143b5c986 ("VFS: normal filesystems (and lustre): d_inode() annotations") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 2f336ace7555..88a23af2bd5c 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -147,7 +147,7 @@ struct vfsmount *nfs_d_automount(struct path *path) struct nfs_fs_context *ctx; struct fs_context *fc; struct vfsmount *mnt = ERR_PTR(-ENOMEM);...
51069e4aef6257b0454057359faed0ab0c9af083
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix a deadlock between nfs4_open_recover_helper() and delegreturn
Problem Details: If we're asked to recover open state while a delegation return is outstanding, then the state manager thread cannot use a cached open, so if the server returns a delegation, we can end up deadlocked behind the pending delegreturn. To avoid this problem, let's just ask the server not to give us a delega...
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index bd89c7f06952..e51044a5f550 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2131,18 +2131,18 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context } static int nfs4_open_recover_helper(struct nfs4_opendata *open...
e83458fce080dc23c25353a1af90bfecf79c7369
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix a credential leak in _nfs4_discover_trunking()
Problem Details: Fixes: 4f40a5b55446 ("NFSv4: Add an fattr allocation to _nfs4_discover_trunking()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 98a867092039..bd89c7f06952 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4018,7 +4018,7 @@ static int _nfs4_discover_trunking(struct nfs_server *server, page = alloc_page(GFP_KERNEL); if (!page) - return -ENOMEM; + goto out_put_cred; ...
85aa8ddc3818718208c3cfdfda9c8c908c9dead1
Analyze and fix the following issue in the Linux kernel code: NFS: Trigger the "ls -l" readdir heuristic sooner
Problem Details: Since commit 1a34c8c9a49e ("NFS: Support larger readdir buffers") has updated dtsize, and with recent improvements to the READDIRPLUS helper heuristic, the heuristic may not trigger until many dentries are emitted to userspace. This will cause many thousands of GETATTR calls for "ls -l" when the dire...
```diff diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index bccb04af38ae..ea1ceffa1d3a 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1074,6 +1074,8 @@ static int readdir_search_pagecache(struct nfs_readdir_descriptor *desc) return res; } +#define NFS_READDIR_CACHE_MISS_THRESHOLD (16UL) + /* * Once we've found the...
c528f70f504434eaff993a5ddd52203a2010d51f
Analyze and fix the following issue in the Linux kernel code: NFSv4.2: Fix initialisation of struct nfs4_label
Problem Details: The call to nfs4_label_init_security() should return a fully initialised label. Fixes: aa9c2669626c ("NFS: Client implementation of Labeled-NFS") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 86ed5c0142c3..98a867092039 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -122,6 +122,11 @@ nfs4_label_init_security(struct inode *dir, struct dentry *dentry, if (nfs_server_capable(dir, NFS_CAP_SECURITY_LABEL) == 0) return NULL; + label...
43c1031f7110967c240cb6e922adcfc4b8899183
Analyze and fix the following issue in the Linux kernel code: NFSv4.2: Fix a memory stomp in decode_attr_security_label
Problem Details: We must not change the value of label->len if it is zero, since that indicates we stored a label. Fixes: b4487b935452 ("nfs: Fix getxattr kernel panic and memory overflow") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 9103e022376a..deec76cf5afe 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -4236,12 +4236,10 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, return -EIO; bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; if (len...
c8a62f440229ae7a10874776344dfcc17d860336
Analyze and fix the following issue in the Linux kernel code: NFSv4.2: Always decode the security label
Problem Details: If the server returns a reply that includes a security label, then we must decode it whether or not we can store the results. Fixes: 1e2f67da8931 ("NFS: Remove the nfs4_label argument from decode_getattr_*() functions") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 8c5298e37f0f..9103e022376a 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -4755,12 +4755,10 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, if (status < 0) goto xdr_error; - if (fattr->label) { - status = decod...
eef7314caf2d73a94b68ba293cd105154d3a664e
Analyze and fix the following issue in the Linux kernel code: NFSv4.2: Clear FATTR4_WORD2_SECURITY_LABEL when done decoding
Problem Details: We need to clear the FATTR4_WORD2_SECURITY_LABEL bitmap flag irrespective of whether or not the label is too long. Fixes: aa9c2669626c ("NFS: Client implementation of Labeled-NFS") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
```diff diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index acfe5f4bda48..8c5298e37f0f 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -4234,6 +4234,7 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, p = xdr_inline_decode(xdr, len); if (unlikely(!p)) return -EIO; +...
21aad8ba615e9c39cee6c5d0b76726f63791926c
Analyze and fix the following issue in the Linux kernel code: arm64: dts: armada-3720-turris-mox: Add missing interrupt for RTC
Problem Details: MCP7940MT-I/MNY RTC has connected interrupt line to GPIO2_5. Fixes: 7109d817db2e ("arm64: dts: marvell: add DTS for Turris Mox") Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
```diff diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index 5d2b221dbd96..cd0988317623 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -125,9 +125,12 @@ /d...
d10886a4e6f85ee18d47a1066a52168461370ded
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-39x: Fix compatible string for gpios
Problem Details: Armada 39x supports per CPU interrupts for gpios, like Armada XP. So add compatible string "marvell,armadaxp-gpio" for Armada 39x GPIO nodes. Driver gpio-mvebu.c which handles both pre-XP and XP variants already provides support for per CPU interrupts on XP and newer variants. Signed-off-by: Pali Ro...
```diff diff --git a/arch/arm/boot/dts/armada-39x.dtsi b/arch/arm/boot/dts/armada-39x.dtsi index 9d1cac49c022..1e05208d9f34 100644 --- a/arch/arm/boot/dts/armada-39x.dtsi +++ b/arch/arm/boot/dts/armada-39x.dtsi @@ -213,7 +213,7 @@ }; gpio0: gpio@18100 { - compatible = "marvell,orion-gpio"; + compatible ...
c4de4667f15d04ef5920bacf41e514ec7d1ef03d
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-38x: Fix compatible string for gpios
Problem Details: Armada 38x supports per CPU interrupts for gpios, like Armada XP. Pre-XP variants like Armada 370 do not support per CPU interrupts for gpios. So change compatible string for Armada 38x from "marvell,armada-370-gpio" which indicates pre-XP variant to "marvell,armadaxp-gpio" which indicates XP variant ...
```diff diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi index 446861b6b17b..12933eff419f 100644 --- a/arch/arm/boot/dts/armada-38x.dtsi +++ b/arch/arm/boot/dts/armada-38x.dtsi @@ -304,7 +304,7 @@ }; gpio0: gpio@18100 { - compatible = "marvell,armada-370-gpio", + compat...
f87db2005f73876602211af0ee156817019b6bda
Analyze and fix the following issue in the Linux kernel code: ARM: dts: turris-omnia: Add switch port 6 node
Problem Details: Switch port 6 is connected to eth0, so add appropriate device tree node for it. Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia") Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
```diff diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts index f2aaaed69ae9..0c1f238e4c30 100644 --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts @@ -489,7 +489,17 @@ }; }; - /* port 6 is connec...
f1f3e530c59a7e8c5f06172f4c28b945a6b4bfb8
Analyze and fix the following issue in the Linux kernel code: ARM: dts: turris-omnia: Add ethernet aliases
Problem Details: This allows bootloader to correctly pass MAC addresses used by bootloader to individual interfaces into kernel device tree. Signed-off-by: Pali Rohár <pali@kernel.org> Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia") Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
```diff diff --git a/arch/arm/boot/dts/armada-385-turris-omnia.dts b/arch/arm/boot/dts/armada-385-turris-omnia.dts index 72ac807cae25..f2aaaed69ae9 100644 --- a/arch/arm/boot/dts/armada-385-turris-omnia.dts +++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts @@ -23,6 +23,12 @@ stdout-path = &uart0; }; + aliases ...
69236d2391b4d7324b11c3252921571577892e7b
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-39x: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: 538da83ddbea ("ARM: mvebu: add Device Tree files for Armada 39x SoC and board") S...
```diff diff --git a/arch/arm/boot/dts/armada-39x.dtsi b/arch/arm/boot/dts/armada-39x.dtsi index 923b035a3ab3..9d1cac49c022 100644 --- a/arch/arm/boot/dts/armada-39x.dtsi +++ b/arch/arm/boot/dts/armada-39x.dtsi @@ -463,7 +463,7 @@ /* x1 port */ pcie@2,0 { device_type = "pci"; - assigned-addresses = <0x8...
44f47b7a8fa4678ce4c38ea74837e4996b9df6d6
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-38x: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: 0d3d96ab0059 ("ARM: mvebu: add Device Tree description of the Armada 380/385 SoCs...
```diff diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi index ce1dddb2269b..e94f22b0e9b5 100644 --- a/arch/arm/boot/dts/armada-380.dtsi +++ b/arch/arm/boot/dts/armada-380.dtsi @@ -89,7 +89,7 @@ /* x1 port */ pcie@2,0 { device_type = "pci"; - assigned-addresses = <0x820...
823956d2436f70ced74c0fe8ab99facd8abfc060
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-375: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: 4de59085091f ("ARM: mvebu: add Device Tree description of the Armada 375 SoC") Si...
```diff diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi index 929deaf312a5..c310ef26d1cc 100644 --- a/arch/arm/boot/dts/armada-375.dtsi +++ b/arch/arm/boot/dts/armada-375.dtsi @@ -592,7 +592,7 @@ pcie1: pcie@2,0 { device_type = "pci"; - assigned-addresses = <0x82000800 0...
eab276787f456cbea89fabea110fe0728673d308
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-xp: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: 9d8f44f02d4a ("arm: mvebu: add PCIe Device Tree informations for Armada XP") Fixe...
```diff diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi index bf9360f41e0a..5ea9d509cd30 100644 --- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi @@ -107,7 +107,7 @@ pcie2: pcie@2,0 { device_type = "pci"; - assign...
d9208b0fa2e803d16b28d91bf1d46b7ee9ea13c6
Analyze and fix the following issue in the Linux kernel code: ARM: dts: armada-370: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: a09a0b7c6ff1 ("arm: mvebu: add PCIe Device Tree informations for Armada 370") Sig...
```diff diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index 9dc928859ad3..2013a5ccecd3 100644 --- a/arch/arm/boot/dts/armada-370.dtsi +++ b/arch/arm/boot/dts/armada-370.dtsi @@ -84,7 +84,7 @@ pcie2: pcie@2,0 { device_type = "pci"; - assigned-addresses = <0x82002800 0 0...
dcc7d8c72b64a479b8017e4332d99179deb8802d
Analyze and fix the following issue in the Linux kernel code: ARM: dts: dove: Fix assigned-addresses for every PCIe Root Port
Problem Details: BDF of resource in DT assigned-addresses property of Marvell PCIe Root Port (PCI-to-PCI bridge) should match BDF in address part in that DT node name as specified resource belongs to Marvell PCIe Root Port itself. Fixes: 74ecaa403a74 ("ARM: dove: add PCIe controllers to SoC DT") Signed-off-by: Pali Ro...
```diff diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi index 00a36fba2fd2..9aee3cfd3e98 100644 --- a/arch/arm/boot/dts/dove.dtsi +++ b/arch/arm/boot/dts/dove.dtsi @@ -139,7 +139,7 @@ pcie1: pcie@2 { device_type = "pci"; status = "disabled"; - assigned-addresses = <0x82002800 0 0...
571650b3a30f67d70df242508631ed5e7de2c2df
Analyze and fix the following issue in the Linux kernel code: power: supply: bq25890: Only use pdata->regulator_init_data for vbus
Problem Details: bq25890_platform_data.regulator_init_data is intended to only provide regulator init_data for the vbus regulator. Remove this from the regulator_config before registering the vsys regulator. Otherwise the regulator_register() call for vsys will fail because it tries to register duplicate consumer_dev_...
```diff diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index bfdd2213ba69..512c81662eea 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -1161,6 +1161,8 @@ static int bq25890_register_regulator(struct bq25890_device *bq) ...
fa9b88e459d710cadf3b01e8a64eda00cc91cdd6
Analyze and fix the following issue in the Linux kernel code: mm, slub: refactor free debug processing
Problem Details: Since commit c7323a5ad078 ("mm/slub: restrict sysfs validation to debug caches and make it safe"), caches with debugging enabled use the free_debug_processing() function to do both freeing checks and actual freeing to partial list under list_lock, bypassing the fast paths. We will want to use the same...
```diff diff --git a/mm/slub.c b/mm/slub.c index f4c7f4e3751f..d814936649b1 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1368,7 +1368,7 @@ static inline int alloc_consistency_checks(struct kmem_cache *s, return 1; } -static noinline int alloc_debug_processing(struct kmem_cache *s, +static noinline bool alloc_debug_p...
97fa21f65c3eb5bbab9b4734bed37fd624cddd86
Analyze and fix the following issue in the Linux kernel code: x86/resctrl: Move MSR defines into msr-index.h
Problem Details: msr-index.h should contain all MSRs for easier grepping for MSR numbers when dealing with unchecked MSR access warnings, for example. Move the resctrl ones. Prefix IA32_PQR_ASSOC with "MSR_" while at it. No functional changes. Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org...
```diff diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 10ac52705892..9308eb9eaf36 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -4,12 +4,7 @@ #include <linux/bits.h> -/* - * CPU model specific register (MSR) numbers. - * - * Do not a...
369eb2c9f1f72adbe91e0ea8efb130f0a2ba11a6
Analyze and fix the following issue in the Linux kernel code: net: phy: fix null-ptr-deref while probe() failed
Problem Details: I got a null-ptr-deref report as following when doing fault injection test: BUG: kernel NULL pointer dereference, address: 0000000000000058 Oops: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 253 Comm: 507-spi-dm9051 Tainted: G B N 6.1.0-rc3+ Hardware name: QEMU Standard PC (i440FX + PIIX,...
```diff diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 57849ac0384e..a72adabfd2a7 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1520,6 +1520,7 @@ error: error_module_put: module_put(d->driver->owner); + d->driver = NULL; error_put_device: put_de...
869e4ae4cd2a23d625aaa14ae62dbebf768cb77d
Analyze and fix the following issue in the Linux kernel code: nios2: add FORCE for vmlinuz.gz
Problem Details: Add FORCE to placate a warning from make: arch/nios2/boot/Makefile:24: FORCE prerequisite is missing Fixes: 2fc8483fdcde ("nios2: Build infrastructure") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
```diff diff --git a/arch/nios2/boot/Makefile b/arch/nios2/boot/Makefile index 8c3ad76602f3..29c11a06b750 100644 --- a/arch/nios2/boot/Makefile +++ b/arch/nios2/boot/Makefile @@ -20,7 +20,7 @@ $(obj)/vmlinux.bin: vmlinux FORCE $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) -$(obj)/vmImage: $(o...
c4d33381b134da188ccd1084aef21e2b8c3c422e
Analyze and fix the following issue in the Linux kernel code: power: supply: ab8500: Fix error handling in ab8500_charger_init()
Problem Details: The ab8500_charger_init() returns the platform_driver_register() directly without checking its return value, if platform_driver_register() failed, all ab8500_charger_component_drivers are not unregistered. Fix by unregister ab8500_charger_component_drivers when platform_driver_register() failed. Fixe...
```diff diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index cf45a2c26b7f..308e68545d44 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3719,7 +3719,14 @@ static int __init ab8500_charger_init(void) if (ret) return ret; ...