loop0: rw=0, sector=6, nr_sectors = 2 limit=4
Buffer I/O error on dev loop0, logical block 3, async page read
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BUG: KCSAN: data-race in atime_needs_update / touch_atime

write to 0xffff888114b9e0e8 of 4 bytes by task 3252 on cpu 1:
 inode_set_atime_to_ts include/linux/fs.h:1569 [inline]
 inode_update_timestamps fs/inode.c:1940 [inline]
 generic_update_time fs/inode.c:1962 [inline]
 inode_update_time fs/inode.c:1982 [inline]
 touch_atime+0x1f3/0x350 fs/inode.c:2054
 file_accessed include/linux/fs.h:2480 [inline]
 iterate_dir+0x1b0/0x330 fs/readdir.c:111
 __do_sys_getdents64 fs/readdir.c:407 [inline]
 __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:392
 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:392
 x64_sys_call+0x29b3/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff888114b9e0e8 of 4 bytes by task 4305 on cpu 0:
 atime_needs_update+0x261/0x3e0
 touch_atime+0x4a/0x350 fs/inode.c:2037
 file_accessed include/linux/fs.h:2480 [inline]
 iterate_dir+0x1b0/0x330 fs/readdir.c:111
 __do_sys_getdents64 fs/readdir.c:407 [inline]
 __se_sys_getdents64+0x88/0x1a0 fs/readdir.c:392
 __x64_sys_getdents64+0x43/0x50 fs/readdir.c:392
 x64_sys_call+0x29b3/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x269030a1 -> 0x2e4fd523

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 4305 Comm: udevd Not tainted 6.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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