================================================================== BUG: KCSAN: data-race in __dentry_kill / step_into read-write to 0xffff888108808a80 of 4 bytes by task 3075 on cpu 0: dentry_unlist fs/dcache.c:552 [inline] __dentry_kill+0x228/0x4b0 fs/dcache.c:621 dput+0x5c/0xd0 fs/dcache.c:849 do_unlinkat+0x257/0x4c0 fs/namei.c:4416 __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 0xffff888108808a80 of 4 bytes by task 2785 on cpu 1: __d_entry_type include/linux/dcache.h:397 [inline] d_is_symlink include/linux/dcache.h:427 [inline] step_into+0x12f/0x810 fs/namei.c:1847 walk_component+0x169/0x230 fs/namei.c:2010 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: 0x00600008 -> 0x00008008 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 2785 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 ==================================================================