RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ffc8c003231 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ec0 R13: 0000000000401f50 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 6598 Comm: syz-executor429 Not tainted 4.14.139 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808a5044c0 task.stack: ffff8880a94e8000 RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 RSP: 0018:ffff8880a94efae8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffffffff891b0220 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88809915e8a0 RBP: ffff8880a94efb00 R08: dffffc0000000000 R09: ffffffff88c93088 R10: ffff8880a94efb00 R11: ffff88808a5044c0 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88809915e898 R15: ffff88809915e8a0 FS: 000000000098c880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc8c206f1c CR3: 00000000a7d83000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] kernfs_kill_sb+0x62/0x1e0 fs/kernfs/mount.c:365 cgroup_kill_sb+0xfb/0x330 kernel/cgroup/cgroup.c:2050 deactivate_locked_super+0x74/0xe0 fs/super.c:319 kernfs_mount_ns+0x629/0x790 fs/kernfs/mount.c:339 kernfs_mount include/linux/kernfs.h:543 [inline] cgroup_do_mount+0x9e/0x270 kernel/cgroup/cgroup.c:1952 cgroup_mount+0x789/0x8b0 kernel/cgroup/cgroup.c:2019 mount_fs+0x97/0x2a1 fs/super.c:1237 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4405d9 RSP: 002b:00007ffc8c2075c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc8c2075d0 RCX: 00000000004405d9 RDX: 00000000200001c0 RSI: 0000000020000280 RDI: 0000000000000000 RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ffc8c003231 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ec0 R13: 0000000000401f50 R14: 0000000000000000 R15: 0000000000000000 Code: c5 0f 84 e1 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d RIP: __list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 RSP: ffff8880a94efae8 ---[ end trace fde0e96c903dc637 ]---