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f32f20e2bd
linux/fs
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Tavian Barnes f32f20e2bd btrfs: warn if EXTENT_BUFFER_UPTODATE is set while reading 
We recently tracked down a race condition that triggered a read for an
extent buffer with EXTENT_BUFFER_UPTODATE already set.  While this read
was in progress, other concurrent readers would see the UPTODATE bit and
return early as if the read was already complete, making accesses to the
extent buffer conflict with the read operation that was overwriting it.

Add a WARN_ON() to end_bbio_meta_read() for this situation to make
similar races easier to spot in the future.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Tavian Barnes <tavianator@tavianator.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2024-05-07 21:31:00 +02:00
..
9p fs/9p: mitigate inode collisions 2024-04-22 15:34:27 +00:00
adfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
affs affs: remove SLAB_MEM_SPREAD flag usage 2024-02-26 11:36:28 +01:00
afs afs: Fix occasional rmdir-then-VNOVNODE with generic/011 2024-03-14 12:13:21 +01:00
autofs dcache stuff for this cycle 2024-01-11 20:11:35 -08:00
bcachefs bcachefs: fix integer conversion bug 2024-04-28 21:34:29 -04:00
befs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
bfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
btrfs btrfs: warn if EXTENT_BUFFER_UPTODATE is set while reading 2024-05-07 21:31:00 +02:00
cachefiles cachefiles: fix memory leak in cachefiles_add_cache() 2024-02-20 09:46:07 +01:00
ceph ceph: switch to use cap_delay_lock for the unlink delay list 2024-04-11 22:56:28 +02:00
coda mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
configfs
cramfs fs,block: yield devices early 2024-03-27 13:17:15 +01:00
crypto fscrypt updates for 6.9 2024-03-12 13:17:36 -07:00
debugfs debugfs: fix wait/cancellation handling during remove 2024-03-07 22:08:15 +00:00
devpts fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
dlm dlm for 6.9 2024-03-18 15:39:48 -07:00
ecryptfs Merge tag 'exportfs-6.9' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/cel/linux 2024-01-23 17:56:30 +01:00
efivarfs efivarfs: Drop 'duplicates' bool parameter on efivar_init() 2024-02-25 09:43:39 +01:00
efs efs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:33 +01:00
erofs erofs: reliably distinguish block based and fscache mode 2024-04-28 20:36:52 +08:00
exfat Description for this pull request: 2024-03-21 09:47:12 -07:00
exportfs fs: Create a generic is_dot_dotdot() utility 2024-01-23 10:58:56 -05:00
ext2 \n 2024-03-13 14:30:58 -07:00
ext4 fs,block: yield devices early 2024-03-27 13:17:15 +01:00
f2fs fs,block: yield devices early 2024-03-27 13:17:15 +01:00
fat - Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min 2024-03-14 18:03:09 -07:00
freevxfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
fuse cuse: add kernel-doc comments to cuse_process_init_reply() 2024-04-15 11:02:10 +02:00
gfs2 gfs2 fix 2024-03-25 10:53:39 -07:00
hfs hfs: really remove hfs_writepage 2023-12-29 11:58:34 -08:00
hfsplus vfs-6.9.misc 2024-03-11 09:38:17 -07:00
hostfs hostfs: use d_splice_alias() calling conventions to simplify failure exits 2023-12-21 12:51:00 -05:00
hpfs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
hugetlbfs vfs-6.9.misc 2024-03-11 09:38:17 -07:00
iomap vfs-6.9.rw_hint 2024-03-04 18:35:21 +01:00
isofs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
jbd2 jbd2: abort journal when detecting metadata writeback error of fs dev 2024-01-04 23:42:21 -05:00
jffs2 mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
jfs fs,block: yield devices early 2024-03-27 13:17:15 +01:00
kernfs kernfs: annotate different lockdep class for of->mutex of writable files 2024-04-14 06:55:46 -04:00
lockd NFSD 6.9 Release Notes 2024-03-12 14:27:37 -07:00
minix minix: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
netfs netfs: Fix the pre-flush when appending to a file in writethrough mode 2024-04-26 14:56:18 +02:00
nfs NFS client bugfixes for Linux 6.9 2024-04-29 12:07:37 -07:00
nfs_common
nfsd nfsd-6.9 fixes: 2024-04-29 14:22:24 -07:00
nilfs2 nilfs2: fix OOB in nilfs_set_de_type 2024-04-16 15:39:52 -07:00
nls
notify fanotify: allow freeze when waiting response for permission events 2024-03-07 12:59:51 +01:00
ntfs3 ntfs3: add legacy ntfs file operations 2024-04-23 09:39:07 +02:00
ocfs2 - Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min 2024-03-14 18:03:09 -07:00
omfs
openpromfs openpromfs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
orangefs Julia Lawall reported this null pointer dereference, this should fix it. 2024-02-14 15:57:53 -05:00
overlayfs ovl: relax WARN_ON in ovl_verify_area() 2024-03-17 15:59:41 +02:00
proc mm: support page_mapcount() on page_has_type() pages 2024-04-24 19:34:26 -07:00
pstore pstore/zone: Don't clear memory twice 2024-03-09 12:33:22 -08:00
qnx4 mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
qnx6 qnx6: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:32 +01:00
quota mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
ramfs ramfs: Initialize security of in-memory inodes 2024-01-26 09:08:16 -08:00
reiserfs fs,block: yield devices early 2024-03-27 13:17:15 +01:00
romfs fs,block: yield devices early 2024-03-27 13:17:15 +01:00
smb smb3: fix lock ordering potential deadlock in cifs_sync_mid_result 2024-04-25 12:49:50 -05:00
squashfs Squashfs: check the inode number is not the invalid value of zero 2024-04-16 15:39:50 -07:00
sysfs fs: sysfs: Fix reference leak in sysfs_break_active_protection() 2024-04-11 15:16:48 +02:00
sysv sysv: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:31 +01:00
tracefs eventfs: Have "events" directory get permissions from its parent 2024-05-04 04:25:37 -04:00
ubifs This pull request contains updates for UBI and UBIFS: 2024-03-21 15:09:29 -07:00
udf mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
ufs mm, slab: remove last vestiges of SLAB_MEM_SPREAD 2024-03-12 20:32:19 -07:00
unicode
vboxsf vboxsf: explicitly deny setlease attempts 2024-04-03 16:06:39 +02:00
verity Networking changes for 6.9. 2024-03-12 17:44:08 -07:00
xfs Bug fixes for 6.9-rc3: 2024-04-06 09:14:18 -07:00
zonefs zonefs: Use str_plural() to fix Coccinelle warning 2024-04-10 07:23:47 +09:00
aio.c aio: Fix null ptr deref in aio_complete() wakeup 2024-04-05 11:20:28 +02:00
anon_inodes.c Merge branch 'kvm-guestmemfd' into HEAD 2023-11-14 08:31:31 -05:00
attr.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
backing-file.c fs: Use KMEM_CACHE instead of kmem_cache_create 2024-02-02 13:11:50 +01:00
bad_inode.c
binfmt_elf_fdpic.c binfmt: replace deprecated strncpy 2024-03-21 20:20:52 -07:00
binfmt_elf_test.c
binfmt_elf.c
binfmt_flat.c
binfmt_misc.c execve updates for v6.7-rc1 2023-10-30 19:28:19 -10:00
binfmt_script.c
buffer.c vfs-6.9.iomap 2024-03-11 10:07:03 -07:00
char_dev.c As usual, lots of singleton and doubleton patches all over the tree and 2023-11-02 20:53:31 -10:00
compat_binfmt_elf.c
coredump.c iov_iter: get rid of 'copy_mc' flag 2024-03-06 10:52:12 +01:00
d_path.c
dax.c fs : Fix warning using plain integer as NULL 2023-11-18 15:00:01 +01:00
dcache.c vfs-6.9.misc 2024-03-11 09:38:17 -07:00
direct-io.c block, fs: Restore the per-bio/request data lifetime fields 2024-02-06 14:31:05 +01:00
drop_caches.c
eventfd.c eventfd: strictly check the count parameter of eventfd_write to avoid inputting illegal strings 2024-02-08 10:12:26 +01:00
eventpoll.c epoll: be better about file lifetimes 2024-05-05 14:00:48 -07:00
exec.c execve fixes for v6.9-rc2 2024-03-27 09:57:30 -07:00
fcntl.c vfs-6.9.iomap 2024-03-11 10:07:03 -07:00
fhandle.c do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak 2024-01-22 15:33:38 +01:00
file_table.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
file.c file: remove __receive_fd() 2023-12-12 14:24:14 +01:00
filesystems.c
fs_context.c
fs_parser.c __fs_parse: Correct a documentation comment 2024-02-02 13:11:50 +01:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c writeback: move wb_wakeup_delayed defination to fs-writeback.c 2024-01-22 15:33:38 +01:00
fsopen.c
init.c
inode.c bcachefs updates for 6.9 2024-03-15 09:00:09 -07:00
internal.h pidfs: remove config option 2024-03-13 12:53:53 -07:00
ioctl.c fs: Return ENOTTY directly if FS_IOC_GETUUID or FS_IOC_GETFSSYSFSPATH fail 2024-04-09 12:03:49 +02:00
Kconfig - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames 2024-03-14 17:43:30 -07:00
Kconfig.binfmt
kernel_read_file.c
libfs.c pidfs: remove config option 2024-03-13 12:53:53 -07:00
locks.c filelock: fix deadlock detection in POSIX locking 2024-02-20 09:53:33 +01:00
Makefile vfs-6.9.pidfd 2024-03-11 10:21:06 -07:00
mbcache.c vfs: remove SLAB_MEM_SPREAD flag usage 2024-02-27 11:21:31 +01:00
mnt_idmapping.c fs/mnt_idmapping.c: Return -EINVAL when no map is written 2024-02-08 10:12:37 +01:00
mount.h mounts: keep list of mounts in an rbtree 2023-11-18 14:56:16 +01:00
mpage.c block, fs: Restore the per-bio/request data lifetime fields 2024-02-06 14:31:05 +01:00
namei.c security: Place security_path_post_mknod() where the original IMA call was 2024-04-03 10:21:32 -07:00
namespace.c fs: relax mount_setattr() permission checks 2024-02-07 21:16:29 +01:00
nsfs.c pidfs: remove config option 2024-03-13 12:53:53 -07:00
open.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
pidfs.c pidfs: remove config option 2024-03-13 12:53:53 -07:00
pipe.c fs/pipe: Convert to lockdep_cmp_fn 2024-02-02 13:11:49 +01:00
pnode.c mounts: keep list of mounts in an rbtree 2023-11-18 14:56:16 +01:00
pnode.h
posix_acl.c lsm/stable-6.9 PR 20240312 2024-03-12 20:03:34 -07:00
proc_namespace.c namespace: extract show_path() helper 2023-11-18 14:56:16 +01:00
read_write.c fsnotify: optionally pass access range in file permission hooks 2023-12-12 16:20:02 +01:00
readdir.c fsnotify: optionally pass access range in file permission hooks 2023-12-12 16:20:02 +01:00
remap_range.c remap_range: merge do_clone_file_range() into vfs_clone_file_range() 2024-02-06 17:07:21 +01:00
select.c fs/select: rework stack allocation hack for clang 2024-02-20 09:23:52 +01:00
seq_file.c
signalfd.c
splice.c fs: use splice_copy_file_range() inline helper 2023-12-12 16:20:02 +01:00
stack.c
stat.c vfs-6.8.mount 2024-01-08 10:57:34 -08:00
statfs.c
super.c fs,block: yield devices early 2024-03-27 13:17:15 +01:00
sync.c
sysctls.c fs: Remove the now superfluous sentinel elements from ctl_table array 2023-12-28 04:57:57 -08:00
timerfd.c
userfaultfd.c userfaultfd: use per-vma locks in userfaultfd operations 2024-02-22 15:27:20 -08:00
utimes.c
xattr.c evm: Move to LSM infrastructure 2024-02-15 23:43:47 -05:00