EXT4-fs (sda1): re-mounted. Opts: ,errors=continue. Quota mode: none.
EXT4-fs (sda1): re-mounted. Opts: ,errors=continue. Quota mode: none.
EXT4-fs (sda1): re-mounted. Opts: ,errors=continue. Quota mode: none.
==================================================================
BUG: KCSAN: data-race in list_lru_add / list_lru_count_node

write to 0xffff888102f3a768 of 8 bytes by task 18440 on cpu 0:
 list_lru_add+0x251/0x280 mm/list_lru.c:136
 d_lru_add fs/dcache.c:406 [inline]
 retain_dentry+0x226/0x260 fs/dcache.c:660
 dput+0x11e/0x430 fs/dcache.c:883
 do_unlinkat+0x2a8/0x540 fs/namei.c:4170
 __do_sys_unlink fs/namei.c:4215 [inline]
 __se_sys_unlink fs/namei.c:4213 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:4213
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff888102f3a768 of 8 bytes by task 2971 on cpu 1:
 list_lru_count_node+0x28/0x30 mm/list_lru.c:204
 list_lru_count include/linux/list_lru.h:132 [inline]
 shrink_dcache_sb+0x1ed/0x2d0 fs/dcache.c:1297
 reconfigure_super+0x146/0x540 fs/super.c:891
 do_remount fs/namespace.c:2650 [inline]
 path_mount+0x13f9/0x1c40 fs/namespace.c:3310
 do_mount fs/namespace.c:3331 [inline]
 __do_sys_mount fs/namespace.c:3539 [inline]
 __se_sys_mount+0x24b/0x2f0 fs/namespace.c:3516
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3516
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x0000000000000000 -> 0x0000000000000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 2971 Comm: syz-executor.2 Not tainted 5.16.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================