================================================================== BUG: KCSAN: data-race in atime_needs_update / shmem_unlink write to 0xffff8880a7d58678 of 16 bytes by task 7620 on cpu 0: shmem_unlink+0xe8/0x150 mm/shmem.c:2981 vfs_unlink+0x225/0x3e0 fs/namei.c:3991 do_unlinkat+0x32b/0x530 fs/namei.c:4055 __do_sys_unlink fs/namei.c:4102 [inline] __se_sys_unlink fs/namei.c:4100 [inline] __x64_sys_unlink+0x3b/0x50 fs/namei.c:4100 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880a7d58678 of 8 bytes by task 3905 on cpu 1: relatime_need_update fs/inode.c:1633 [inline] atime_needs_update+0x264/0x360 fs/inode.c:1721 touch_atime+0x63/0x190 fs/inode.c:1736 do_readlinkat+0x1d8/0x220 fs/stat.c:410 __do_sys_readlink fs/stat.c:432 [inline] __se_sys_readlink fs/stat.c:429 [inline] __x64_sys_readlink+0x51/0x70 fs/stat.c:429 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3905 Comm: udevd Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================