================================================================== BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty write to 0xffff888140164d00 of 8 bytes by task 3497 on cpu 0: __mark_inode_dirty+0x250/0x7d0 fs/fs-writeback.c:2461 generic_update_time fs/inode.c:1900 [inline] inode_update_time fs/inode.c:1913 [inline] touch_atime+0x1e2/0x310 fs/inode.c:1985 do_readlinkat+0x164/0x210 fs/stat.c:488 __do_sys_readlink fs/stat.c:510 [inline] __se_sys_readlink fs/stat.c:507 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888140164d00 of 8 bytes by task 3498 on cpu 1: __mark_inode_dirty+0x58/0x7d0 fs/fs-writeback.c:2412 generic_update_time fs/inode.c:1900 [inline] inode_update_time fs/inode.c:1913 [inline] touch_atime+0x1e2/0x310 fs/inode.c:1985 do_readlinkat+0x164/0x210 fs/stat.c:488 __do_sys_readlink fs/stat.c:510 [inline] __se_sys_readlink fs/stat.c:507 [inline] __x64_sys_readlink+0x47/0x50 fs/stat.c:507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000000000 -> 0x0000000000000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3498 Comm: udevd Not tainted 6.5.0-rc7-syzkaller-g706a74159504 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ================================================================== udevd[3498]: inotify_add_watch(7, /dev/loop0p26, 10) failed: No such file or directory I/O error, dev loop0, sector 8064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2