================================================================== BUG: KCSAN: data-race in dput / vfs_unlink write to 0xffff88810befdc00 of 4 bytes by task 25642 on cpu 0: dont_mount include/linux/dcache.h:357 [inline] vfs_unlink+0x289/0x3e0 fs/namei.c:4031 do_unlinkat+0x29f/0x4f0 fs/namei.c:4096 __do_sys_unlink fs/namei.c:4143 [inline] __se_sys_unlink fs/namei.c:4141 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4141 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88810befdc00 of 4 bytes by task 4839 on cpu 1: fast_dput fs/dcache.c:747 [inline] dput+0x34/0x430 fs/dcache.c:873 path_put+0x1b/0x30 fs/namei.c:546 do_readlinkat+0x188/0x200 fs/stat.c:432 __do_sys_readlink fs/stat.c:450 [inline] __se_sys_readlink fs/stat.c:447 [inline] __x64_sys_readlink+0x43/0x50 fs/stat.c:447 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4839 Comm: systemd-udevd Not tainted 5.12.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================