================================================================== BUG: KCSAN: data-race in touch_atime / touch_atime write to 0xffff88811a1de6b8 of 4 bytes by task 3297 on cpu 0: inode_set_atime_to_ts include/linux/fs.h:1684 [inline] inode_update_timestamps fs/inode.c:2035 [inline] generic_update_time fs/inode.c:2057 [inline] inode_update_time fs/inode.c:2077 [inline] touch_atime+0x1e8/0x340 fs/inode.c:2149 do_readlinkat+0x134/0x320 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+0x2cf3/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:90 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88811a1de6b8 of 4 bytes by task 3520 on cpu 1: inode_get_atime_nsec include/linux/fs.h:1669 [inline] inode_get_atime include/linux/fs.h:1675 [inline] inode_update_timestamps fs/inode.c:2032 [inline] generic_update_time fs/inode.c:2057 [inline] inode_update_time fs/inode.c:2077 [inline] touch_atime+0x194/0x340 fs/inode.c:2149 do_readlinkat+0x134/0x320 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+0x2cf3/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:90 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x1efd18c9 -> 0x31fcebbe Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 3520 Comm: udevd Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ==================================================================