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BUG: KCSAN: data-race in __mark_inode_dirty / __mark_inode_dirty

write to 0xffff8881013208c0 of 8 bytes by task 28574 on cpu 0:
 __mark_inode_dirty+0x1c4/0x6a0 fs/fs-writeback.c:2433
 generic_update_time fs/inode.c:1774 [inline]
 update_time fs/inode.c:1787 [inline]
 touch_atime+0x185/0x250 fs/inode.c:1858
 pick_link fs/namei.c:1746 [inline]
 step_into+0x859/0xee0 fs/namei.c:1826
 open_last_lookups fs/namei.c:3375 [inline]
 path_openat+0x102d/0x1ec0 fs/namei.c:3558
 do_filp_open+0x105/0x220 fs/namei.c:3588
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1200
 do_sys_open fs/open.c:1216 [inline]
 __do_sys_openat fs/open.c:1232 [inline]
 __se_sys_openat fs/open.c:1227 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1227
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff8881013208c0 of 8 bytes by task 28577 on cpu 1:
 __mark_inode_dirty+0xda/0x6a0 fs/fs-writeback.c:2419
 generic_update_time fs/inode.c:1774 [inline]
 update_time fs/inode.c:1787 [inline]
 touch_atime+0x185/0x250 fs/inode.c:1858
 pick_link fs/namei.c:1746 [inline]
 step_into+0x859/0xee0 fs/namei.c:1826
 open_last_lookups fs/namei.c:3375 [inline]
 path_openat+0x102d/0x1ec0 fs/namei.c:3558
 do_filp_open+0x105/0x220 fs/namei.c:3588
 do_sys_openat2+0xb5/0x2b0 fs/open.c:1200
 do_sys_open fs/open.c:1216 [inline]
 __do_sys_openat fs/open.c:1232 [inline]
 __se_sys_openat fs/open.c:1227 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1227
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000000000000 -> 0x0000000000000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 28577 Comm: syz-executor.2 Not tainted 5.15.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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