================================================================== BUG: KCSAN: data-race in atime_needs_update / shmem_unlink write to 0xffff888121dfa430 of 16 bytes by task 8042 on cpu 0: shmem_unlink+0xe8/0x150 mm/shmem.c:2987 vfs_unlink+0x223/0x3e0 fs/namei.c:4073 do_unlinkat+0x33f/0x550 fs/namei.c:4137 __do_sys_unlink fs/namei.c:4184 [inline] __se_sys_unlink fs/namei.c:4182 [inline] __x64_sys_unlink+0x38/0x50 fs/namei.c:4182 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888121dfa430 of 8 bytes by task 4029 on cpu 1: relatime_need_update fs/inode.c:1647 [inline] atime_needs_update+0x264/0x360 fs/inode.c:1732 touch_atime+0x63/0x150 fs/inode.c:1747 do_readlinkat+0x1e4/0x230 fs/stat.c:420 __do_sys_readlink fs/stat.c:442 [inline] __se_sys_readlink fs/stat.c:439 [inline] __x64_sys_readlink+0x4c/0x60 fs/stat.c:439 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4029 Comm: udevd Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================