================================================================== BUG: KCSAN: data-race in __fsnotify_parent / vfs_rename read-write to 0xffff88810c2ade40 of 4 bytes by task 19324 on cpu 1: dont_mount include/linux/dcache.h:355 [inline] vfs_rename+0xcd9/0xe20 fs/namei.c:4322 do_renameat2+0x5c3/0x900 fs/namei.c:4457 __do_sys_rename fs/namei.c:4508 [inline] __se_sys_rename fs/namei.c:4506 [inline] __x64_sys_rename+0x58/0x60 fs/namei.c:4506 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88810c2ade40 of 4 bytes by task 4892 on cpu 0: __fsnotify_parent+0x7d/0x430 fs/notify/fsnotify.c:187 fsnotify_parent include/linux/fsnotify.h:68 [inline] fsnotify_file include/linux/fsnotify.h:90 [inline] fsnotify_perm+0x296/0x2d0 include/linux/fsnotify.h:115 security_file_open+0x85/0x90 security/security.c:1580 do_dentry_open+0x22d/0x870 fs/open.c:804 vfs_open+0x43/0x50 fs/open.c:931 do_open fs/namei.c:3254 [inline] path_openat+0x1844/0x20a0 fs/namei.c:3371 do_filp_open+0xbd/0x1d0 fs/namei.c:3398 do_sys_openat2+0xa3/0x240 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_open fs/open.c:1196 [inline] __se_sys_open fs/open.c:1192 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1192 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4892 Comm: systemd-udevd Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================