================================================================== BUG: KCSAN: data-race in __dentry_kill / lookup_fast write to 0xffff8880b62bb0c0 of 4 bytes by task 26315 on cpu 1: dentry_unlist fs/dcache.c:519 [inline] __dentry_kill+0x127/0x3b0 fs/dcache.c:575 dentry_kill fs/dcache.c:698 [inline] dput+0x399/0x700 fs/dcache.c:859 do_unlinkat+0x34e/0x550 fs/namei.c:3875 __do_sys_unlink fs/namei.c:3920 [inline] __se_sys_unlink fs/namei.c:3918 [inline] __x64_sys_unlink+0x38/0x50 fs/namei.c:3918 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b62bb0c0 of 4 bytes by task 5281 on cpu 0: d_revalidate fs/namei.c:753 [inline] lookup_fast+0x176/0x3a0 fs/namei.c:1479 walk_component+0x6a/0x390 fs/namei.c:1842 lookup_last fs/namei.c:2295 [inline] path_lookupat.isra.0+0x119/0x350 fs/namei.c:2319 filename_lookup+0x145/0x2c0 fs/namei.c:2352 user_path_at_empty+0x47/0x60 fs/namei.c:2632 do_readlinkat+0x89/0x230 fs/stat.c:409 __do_sys_readlink fs/stat.c:442 [inline] __se_sys_readlink fs/stat.c:439 [inline] __x64_sys_readlink+0x4c/0x60 fs/stat.c:439 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5281 Comm: systemd-udevd Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================