================================================================== BUG: KCSAN: data-race in list_lru_add / list_lru_count_node read-write to 0xffff8881445b64a8 of 8 bytes by task 8448 on cpu 0: list_lru_add+0x26f/0x2a0 mm/list_lru.c:130 d_lru_add fs/dcache.c:404 [inline] retain_dentry+0x20b/0x240 fs/dcache.c:657 dput+0x10e/0x420 fs/dcache.c:880 do_unlinkat+0x298/0x4d0 fs/namei.c:3901 __do_sys_unlink fs/namei.c:3945 [inline] __se_sys_unlink fs/namei.c:3943 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:3943 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8881445b64a8 of 8 bytes by task 11781 on cpu 1: list_lru_count_node+0x28/0x30 mm/list_lru.c:195 list_lru_count include/linux/list_lru.h:132 [inline] shrink_dcache_sb+0x14e/0x1c0 fs/dcache.c:1269 reconfigure_super+0x267/0x4d0 fs/super.c:887 do_remount fs/namespace.c:2615 [inline] path_mount+0x13b1/0x1c10 fs/namespace.c:3200 do_mount fs/namespace.c:3221 [inline] __do_sys_mount fs/namespace.c:3429 [inline] __se_sys_mount+0x23d/0x2e0 fs/namespace.c:3406 __x64_sys_mount+0x63/0x70 fs/namespace.c:3406 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 11781 Comm: syz-executor.5 Not tainted 5.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================