udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
==================================================================
BUG: KCSAN: data-race in fsnotify_perm / setattr_copy
write to 0xffff88813d36c660 of 2 bytes by task 24 on cpu 1:
setattr_copy+0x29d/0x2b0 fs/attr.c:321
shmem_setattr+0x52e/0x830 mm/shmem.c:1219
notify_change+0x866/0x8e0 fs/attr.c:499
handle_remove drivers/base/devtmpfs.c:337 [inline]
handle drivers/base/devtmpfs.c:386 [inline]
devtmpfs_work_loop+0x828/0x8e0 drivers/base/devtmpfs.c:399
devtmpfsd+0x43/0x50 drivers/base/devtmpfs.c:441
kthread+0x1d7/0x210 kernel/kthread.c:388
ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
read to 0xffff88813d36c660 of 2 bytes by task 3154 on cpu 0:
fsnotify_parent include/linux/fsnotify.h:65 [inline]
fsnotify_file include/linux/fsnotify.h:100 [inline]
fsnotify_perm+0x2a5/0x380 include/linux/fsnotify.h:125
security_file_open+0x53/0x70 security/security.c:2840
do_dentry_open+0x224/0xbd0 fs/open.c:935
vfs_open+0x4a/0x50 fs/open.c:1082
do_open fs/namei.c:3622 [inline]
path_openat+0x1819/0x1d70 fs/namei.c:3779
do_filp_open+0xf6/0x200 fs/namei.c:3809
do_sys_openat2+0xab/0x110 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
__se_sys_openat fs/open.c:1463 [inline]
__x64_sys_openat+0xf3/0x120 fs/open.c:1463
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
value changed: 0x6180 -> 0x6000
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3154 Comm: udevd Not tainted 6.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
==================================================================
block device autoloading is deprecated and will be removed.
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory
udevd[3154]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory