================================================================== BUG: KCSAN: data-race in dentry_unlink_inode / step_into write to 0xffff8881291b1030 of 8 bytes by task 2726 on cpu 1: __d_clear_type_and_inode fs/dcache.c:358 [inline] dentry_unlink_inode+0x65/0x240 fs/dcache.c:391 d_delete+0x70/0xa0 fs/dcache.c:2532 d_delete_notify+0x30/0xe0 include/linux/fsnotify.h:259 vfs_unlink+0x306/0x3e0 fs/namei.c:4186 do_unlinkat+0x258/0x510 fs/namei.c:4239 __do_sys_unlink fs/namei.c:4287 [inline] __se_sys_unlink fs/namei.c:4285 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4285 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff8881291b1030 of 8 bytes by task 1437 on cpu 0: step_into+0x115/0x7d0 fs/namei.c:1835 walk_component+0x164/0x230 fs/namei.c:1999 lookup_last fs/namei.c:2450 [inline] path_lookupat+0x11d/0x2b0 fs/namei.c:2474 filename_lookup+0x133/0x310 fs/namei.c:2503 user_path_at_empty+0x3e/0x110 fs/namei.c:2876 do_readlinkat+0x98/0x210 fs/stat.c:456 __do_sys_readlink fs/stat.c:489 [inline] __se_sys_readlink fs/stat.c:486 [inline] __x64_sys_readlink+0x43/0x50 fs/stat.c:486 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0xffff888106803a58 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1437 Comm: udevd Not tainted 5.19.0-syzkaller-02990-gff89dd08c0f0-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 ================================================================== I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev loop4, logical block 0, async page read I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev loop4, logical block 0, async page read