================================================================== BUG: KCSAN: data-race in d_delete / lookup_fast read-write to 0xffff88810079ab40 of 4 bytes by task 2965 on cpu 1: d_delete+0x6c/0xf0 fs/dcache.c:2394 d_delete_notify+0x34/0x100 include/linux/fsnotify.h:330 vfs_unlink+0x320/0x430 fs/namei.c:4364 do_unlinkat+0x236/0x4c0 fs/namei.c:4413 __do_sys_unlink fs/namei.c:4461 [inline] __se_sys_unlink fs/namei.c:4459 [inline] __x64_sys_unlink+0x30/0x40 fs/namei.c:4459 x64_sys_call+0x28a3/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:88 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88810079ab40 of 4 bytes by task 2783 on cpu 0: d_revalidate fs/namei.c:860 [inline] lookup_fast+0xd9/0x2a0 fs/namei.c:1641 walk_component+0x3f/0x230 fs/namei.c:2000 lookup_last fs/namei.c:2469 [inline] path_lookupat+0x10a/0x2b0 fs/namei.c:2493 filename_lookup+0x127/0x300 fs/namei.c:2522 user_path_at_empty+0x42/0x120 fs/namei.c:2929 do_readlinkat+0x92/0x210 fs/stat.c:499 __do_sys_readlink fs/stat.c:532 [inline] __se_sys_readlink fs/stat.c:529 [inline] __x64_sys_readlink+0x47/0x60 fs/stat.c:529 x64_sys_call+0x264b/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:90 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00600108 -> 0x00008008 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2783 Comm: udevd Not tainted 6.10.0-rc7-syzkaller-00254-g528dd46d0fc3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================