syzbot

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

write to 0xffff88811b7a0ee0 of 4 bytes by task 10507 on cpu 0:
 inode_set_atime_to_ts include/linux/fs.h:1624 [inline]
 inode_update_timestamps fs/inode.c:2129 [inline]
 generic_update_time fs/inode.c:2151 [inline]
 inode_update_time fs/inode.c:2171 [inline]
 touch_atime+0x1e8/0x340 fs/inode.c:2243
 do_readlinkat+0x13d/0x340 fs/stat.c:589
 __do_sys_readlink fs/stat.c:613 [inline]
 __se_sys_readlink fs/stat.c:610 [inline]
 __x64_sys_readlink+0x47/0x60 fs/stat.c:610
 x64_sys_call+0x2af1/0x3000 arch/x86/include/generated/asm/syscalls_64.h:90
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc0/0x2a0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88811b7a0ee0 of 4 bytes by task 10401 on cpu 1:
 inode_get_atime_nsec include/linux/fs.h:1609 [inline]
 inode_get_atime include/linux/fs.h:1615 [inline]
 inode_update_timestamps fs/inode.c:2126 [inline]
 generic_update_time fs/inode.c:2151 [inline]
 inode_update_time fs/inode.c:2171 [inline]
 touch_atime+0x194/0x340 fs/inode.c:2243
 do_readlinkat+0x13d/0x340 fs/stat.c:589
 __do_sys_readlink fs/stat.c:613 [inline]
 __se_sys_readlink fs/stat.c:610 [inline]
 __x64_sys_readlink+0x47/0x60 fs/stat.c:610
 x64_sys_call+0x2af1/0x3000 arch/x86/include/generated/asm/syscalls_64.h:90
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc0/0x2a0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x0fa70fc0 -> 0x133ab285

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 10401 Comm: udevd Tainted: G        W           syzkaller #0 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
==================================================================