================================================================== BUG: KCSAN: data-race in __dentry_kill / lookup_fast read-write to 0xffff88813f8c8cc0 of 4 bytes by task 21662 on cpu 0: dentry_unlist fs/dcache.c:548 [inline] __dentry_kill+0x21c/0x4a0 fs/dcache.c:617 dput+0x54/0xc0 fs/dcache.c:845 do_renameat2+0x7d8/0xa60 fs/namei.c:5038 __do_sys_rename fs/namei.c:5083 [inline] __se_sys_rename fs/namei.c:5081 [inline] __x64_sys_rename+0x5c/0x70 fs/namei.c:5081 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff88813f8c8cc0 of 4 bytes by task 19993 on cpu 1: d_revalidate fs/namei.c:861 [inline] lookup_fast+0xd9/0x290 fs/namei.c:1642 open_last_lookups fs/namei.c:3533 [inline] path_openat+0x446/0x1d40 fs/namei.c:3795 do_filp_open+0xf6/0x200 fs/namei.c:3825 do_sys_openat2+0xab/0x110 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1430 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00400108 -> 0x00008108 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 19993 Comm: udevd Not tainted 6.8.0-rc5-syzkaller-00121-g1c892cdd8fe0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 ================================================================== I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0