================================================================== BUG: KCSAN: data-race in __dentry_kill / lookup_fast read-write to 0xffff88813724a600 of 4 bytes by task 1914 on cpu 1: dentry_unlist fs/dcache.c:547 [inline] __dentry_kill+0x13f/0x450 fs/dcache.c:603 dentry_kill+0x8d/0x1e0 dput+0x11e/0x1f0 fs/dcache.c:913 do_unlinkat+0x288/0x510 fs/namei.c:4322 __do_sys_unlink fs/namei.c:4367 [inline] __se_sys_unlink fs/namei.c:4365 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4365 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 0xffff88813724a600 of 4 bytes by task 1430 on cpu 0: d_revalidate fs/namei.c:855 [inline] lookup_fast+0xca/0x270 fs/namei.c:1634 walk_component+0x3f/0x230 fs/namei.c:1989 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:468 __do_sys_readlink fs/stat.c:501 [inline] __se_sys_readlink fs/stat.c:498 [inline] __x64_sys_readlink+0x43/0x50 fs/stat.c:498 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: 0x00600008 -> 0x00008008 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1430 Comm: udevd Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================