==================================================================
BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty

write to 0xffff88810617d898 of 8 bytes by task 3312 on cpu 1:
 __mark_inode_dirty+0x250/0x7d0 fs/fs-writeback.c:2483
 generic_update_time fs/inode.c:1941 [inline]
 inode_update_time fs/inode.c:1954 [inline]
 touch_atime+0x1be/0x2d0 fs/inode.c:2026
 file_accessed include/linux/fs.h:2360 [inline]
 iterate_dir+0x2db/0x300 fs/readdir.c:109
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:390
 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:390
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff88810617d898 of 8 bytes by task 6481 on cpu 0:
 __mark_inode_dirty+0x199/0x7d0 fs/fs-writeback.c:2474
 generic_update_time fs/inode.c:1941 [inline]
 inode_update_time fs/inode.c:1954 [inline]
 touch_atime+0x1be/0x2d0 fs/inode.c:2026
 file_accessed include/linux/fs.h:2360 [inline]
 iterate_dir+0x2db/0x300 fs/readdir.c:109
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:390
 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:390
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0x0000000000000000 -> 0x0000000000000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 6481 Comm: udevd Not tainted 6.6.0-syzkaller-14263-gaea6bf908d73 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
==================================================================
I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2