================================================================== BUG: KCSAN: data-race in generic_fillattr / shmem_mknod write to 0xffff88812667fc90 of 8 bytes by task 10908 on cpu 1: shmem_mknod+0x112/0x180 mm/shmem.c:2897 shmem_create+0x30/0x40 mm/shmem.c:2945 lookup_open fs/namei.c:3309 [inline] do_last fs/namei.c:3401 [inline] path_openat+0x28cf/0x2f70 fs/namei.c:3607 do_filp_open+0x11e/0x1b0 fs/namei.c:3637 do_sys_openat2+0x4f5/0x620 fs/open.c:1149 do_sys_open+0xa2/0x110 fs/open.c:1165 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1171 [inline] __se_sys_open fs/open.c:1169 [inline] __x64_sys_open+0x50/0x60 fs/open.c:1169 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88812667fc90 of 8 bytes by task 10876 on cpu 0: generic_fillattr+0xf5/0x1e0 fs/stat.c:44 vfs_getattr_nosec+0x155/0x160 fs/stat.c:86 vfs_getattr+0x53/0x70 fs/stat.c:120 vfs_statx+0x104/0x190 fs/stat.c:201 vfs_stat include/linux/fs.h:3271 [inline] __do_sys_newstat+0x50/0xb0 fs/stat.c:351 __se_sys_newstat fs/stat.c:347 [inline] __x64_sys_newstat+0x37/0x50 fs/stat.c:347 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: 0 PID: 10876 Comm: udevd Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================