================================================================== BUG: KCSAN: data-race in generic_fillattr / shmem_mknod write to 0xffff88812684c928 of 8 bytes by task 4954 on cpu 1: shmem_mknod+0x112/0x180 mm/shmem.c:2891 shmem_create+0x34/0x50 mm/shmem.c:2939 lookup_open fs/namei.c:3224 [inline] do_last fs/namei.c:3314 [inline] path_openat+0x2b4d/0x36e0 fs/namei.c:3525 do_filp_open+0x11e/0x1b0 fs/namei.c:3555 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 __do_sys_open fs/open.c:1115 [inline] __se_sys_open fs/open.c:1110 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1110 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812684c928 of 8 bytes by task 7189 on cpu 0: generic_fillattr+0xf5/0x1e0 fs/stat.c:42 vfs_getattr_nosec+0x160/0x170 fs/stat.c:84 vfs_getattr+0x54/0x70 fs/stat.c:118 vfs_statx+0x102/0x190 fs/stat.c:191 vfs_stat include/linux/fs.h:3242 [inline] __do_sys_newstat+0x51/0xb0 fs/stat.c:341 __se_sys_newstat fs/stat.c:337 [inline] __x64_sys_newstat+0x3a/0x50 fs/stat.c:337 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: 0 PID: 7189 Comm: udevd Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================