================================================================== BUG: KCSAN: data-race in __dentry_kill / lookup_fast read-write to 0xffff88810a3f00c0 of 4 bytes by task 17464 on cpu 1: dentry_unlist fs/dcache.c:547 [inline] __dentry_kill+0x18f/0x4a0 fs/dcache.c:603 dentry_kill+0x8d/0x1e0 dput+0x118/0x1f0 fs/dcache.c:913 do_renameat2+0x6f7/0xa20 fs/namei.c:5011 __do_sys_rename fs/namei.c:5055 [inline] __se_sys_rename fs/namei.c:5053 [inline] __x64_sys_rename+0x5c/0x70 fs/namei.c:5053 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88810a3f00c0 of 4 bytes by task 15673 on cpu 0: d_revalidate fs/namei.c:858 [inline] lookup_fast+0xd9/0x290 fs/namei.c:1639 walk_component+0x3f/0x230 fs/namei.c:1994 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x10a/0x2a0 fs/namei.c:2479 filename_lookup+0x126/0x300 fs/namei.c:2508 user_path_at_empty+0x42/0x110 fs/namei.c:2907 user_path_at include/linux/namei.h:57 [inline] do_utimes_path fs/utimes.c:95 [inline] do_utimes+0xca/0x1f0 fs/utimes.c:145 __do_sys_utimensat fs/utimes.c:164 [inline] __se_sys_utimensat fs/utimes.c:148 [inline] __x64_sys_utimensat+0xc6/0x170 fs/utimes.c:148 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00600108 -> 0x00008108 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 15673 Comm: udevd Not tainted 6.5.0-rc5-syzkaller-00056-gcacc6e22932f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ==================================================================