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BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty

write to 0xffff88814dcc50e0 of 8 bytes by task 8105 on cpu 1:
 __mark_inode_dirty+0x1bc/0x6c0 fs/fs-writeback.c:2434
 generic_update_time fs/inode.c:1784 [inline]
 inode_update_time fs/inode.c:1797 [inline]
 touch_atime+0x1c4/0x2e0 fs/inode.c:1869
 pick_link fs/namei.c:1751 [inline]
 step_into+0x891/0xee0 fs/namei.c:1826
 open_last_lookups fs/namei.c:3373 [inline]
 path_openat+0x1059/0x1eb0 fs/namei.c:3556
 do_filp_open+0x105/0x220 fs/namei.c:3586
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1212
 do_sys_open fs/open.c:1228 [inline]
 __do_sys_openat fs/open.c:1244 [inline]
 __se_sys_openat fs/open.c:1239 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1239
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff88814dcc50e0 of 8 bytes by task 8116 on cpu 0:
 __mark_inode_dirty+0xd7/0x6c0 fs/fs-writeback.c:2420
 generic_update_time fs/inode.c:1784 [inline]
 inode_update_time fs/inode.c:1797 [inline]
 touch_atime+0x1c4/0x2e0 fs/inode.c:1869
 pick_link fs/namei.c:1751 [inline]
 step_into+0x891/0xee0 fs/namei.c:1826
 open_last_lookups fs/namei.c:3373 [inline]
 path_openat+0x1059/0x1eb0 fs/namei.c:3556
 do_filp_open+0x105/0x220 fs/namei.c:3586
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1212
 do_sys_open fs/open.c:1228 [inline]
 __do_sys_openat fs/open.c:1244 [inline]
 __se_sys_openat fs/open.c:1239 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1239
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000000000000 -> 0x0000000000000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8116 Comm: syz-executor.2 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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