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BUG: KCSAN: data-race in touch_atime / touch_atime

write to 0xffff8881377ab200 of 8 bytes by task 11498 on cpu 0:
 inode_update_timestamps fs/inode.c:1907 [inline]
 generic_update_time fs/inode.c:1929 [inline]
 inode_update_time fs/inode.c:1949 [inline]
 touch_atime+0x31f/0x4a0 fs/inode.c:2020
 do_readlinkat+0x164/0x210 fs/stat.c:544
 __do_sys_readlink fs/stat.c:566 [inline]
 __se_sys_readlink fs/stat.c:563 [inline]
 __x64_sys_readlink+0x47/0x50 fs/stat.c:563
 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 0xffff8881377ab200 of 8 bytes by task 6712 on cpu 1:
 timespec64_equal include/linux/time64.h:49 [inline]
 inode_update_timestamps fs/inode.c:1906 [inline]
 generic_update_time fs/inode.c:1929 [inline]
 inode_update_time fs/inode.c:1949 [inline]
 touch_atime+0x2d8/0x4a0 fs/inode.c:2020
 do_readlinkat+0x164/0x210 fs/stat.c:544
 __do_sys_readlink fs/stat.c:566 [inline]
 __se_sys_readlink fs/stat.c:563 [inline]
 __x64_sys_readlink+0x47/0x50 fs/stat.c:563
 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: 0x00000000392fd4f7 -> 0x0000000039c86b77

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6712 Comm: udevd Not tainted 6.6.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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