================================================================== BUG: KCSAN: data-race in list_lru_add / list_lru_count_node write to 0xffff888102acb528 of 8 bytes by task 9923 on cpu 0: list_lru_add+0x26d/0x2c0 mm/list_lru.c:130 d_lru_add fs/dcache.c:406 [inline] retain_dentry+0x226/0x260 fs/dcache.c:660 dput+0x3d/0x360 fs/dcache.c:883 done_path_create fs/namei.c:3705 [inline] do_symlinkat+0x10f/0x380 fs/namei.c:4282 __do_sys_symlink fs/namei.c:4301 [inline] __se_sys_symlink fs/namei.c:4299 [inline] __x64_sys_symlink+0x52/0x60 fs/namei.c:4299 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888102acb528 of 8 bytes by task 9927 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+0x1ed/0x2d0 fs/dcache.c:1297 reconfigure_super+0x2aa/0x4f0 fs/super.c:889 do_remount fs/namespace.c:2650 [inline] path_mount+0x145a/0x1d20 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+0x44/0xa0 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: 9927 Comm: syz-executor.0 Not tainted 5.15.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== EXT4-fs: 115 callbacks suppressed EXT4-fs (sda1): Unrecognized mount option """ or missing value