RBP: 000000000072bea0 R08: 0000000020000040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000022
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 16849 Comm: syz-executor3 Not tainted 4.16.0-rc6+ #43
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51
devpts: called with bogus options
RSP: 0018:ffff8801bcebf890 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff8801a1067e18 RDI: ffff8801a1067e20
RBP: ffff8801bcebf8a8 R08: ffffffff81d39d22 R09: 0000000000000004
R10: ffff8801bcebf8a8 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801b37c0540 R14: ffff8801bcebf938 R15: ffff8801a1067e18
FS:  00007fbfd4b97700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CR2: 0000000001ce0038 CR3: 00000001d791c001 CR4: 00000000001606e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 kernfs_kill_sb+0x9e/0x330 fs/kernfs/mount.c:361
 sysfs_kill_sb+0x22/0x40 fs/sysfs/mount.c:50
 deactivate_locked_super+0x88/0xd0 fs/super.c:312
 kernfs_mount_ns+0x717/0x8b0 fs/kernfs/mount.c:335
 sysfs_mount+0xc2/0x1c0 fs/sysfs/mount.c:36
CPU: 0 PID: 16861 Comm: syz-executor2 Not tainted 4.16.0-rc6+ #43
 mount_fs+0x66/0x2d0 fs/super.c:1222
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 vfs_kern_mount fs/namespace.c:2509 [inline]
 do_new_mount fs/namespace.c:2512 [inline]
 do_mount+0xea4/0x2bb0 fs/namespace.c:2842
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 SYSC_mount fs/namespace.c:3058 [inline]
 SyS_mount+0xab/0x120 fs/namespace.c:3035
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc mm/slab.c:3365 [inline]
 kmem_cache_alloc_trace+0x4b/0x740 mm/slab.c:3605
 kmalloc include/linux/slab.h:512 [inline]
 __memcg_init_list_lru_node+0x169/0x270 mm/list_lru.c:312
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
 memcg_init_list_lru_node mm/list_lru.c:333 [inline]
 memcg_init_list_lru mm/list_lru.c:397 [inline]
 __list_lru_init+0x544/0x750 mm/list_lru.c:553
RIP: 0033:0x454e79
RSP: 002b:00007fbfd4b96c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbfd4b976d4 RCX: 0000000000454e79
RDX: 0000000020000100 RSI: 0000000020000180 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000020000040 R09: 0000000000000000
 alloc_super fs/super.c:237 [inline]
 sget_userns+0x6b1/0xe40 fs/super.c:502
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003fa R14: 00000000006f8010 R15: 0000000000000022
Code: 
00 
00 
00 
00 
ad 
de 
49 
39 
c4 
 kernfs_mount_ns+0x13d/0x8b0 fs/kernfs/mount.c:320
74 
66 
 sysfs_mount+0xc2/0x1c0 fs/sysfs/mount.c:36
48 
b8 
00 
02 
 mount_fs+0x66/0x2d0 fs/super.c:1222
00 
 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037
00 
00 
00 
ad 
 vfs_kern_mount fs/namespace.c:2509 [inline]
 do_new_mount fs/namespace.c:2512 [inline]
 do_mount+0xea4/0x2bb0 fs/namespace.c:2842
de 
48 
89 
da 
48 
39 
c3 
 SYSC_mount fs/namespace.c:3058 [inline]
 SyS_mount+0xab/0x120 fs/namespace.c:3035
74 
65 
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
48 
c1 
ea 
03 
48 
b8 
00 
00 
00 
00 
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
00 
RIP: 0033:0x454e79
fc 
RSP: 002b:00007f3ee2ac1c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
ff df 
RAX: ffffffffffffffda RBX: 00007f3ee2ac26d4 RCX: 0000000000454e79
<80> 
RDX: 0000000020000100 RSI: 0000000020000180 RDI: 0000000020000100
3c 
RBP: 000000000072bea0 R08: 0000000020000040 R09: 0000000000000000
02 
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
00 
R13: 00000000000003fa R14: 00000000006f8010 R15: 000000000000001c
75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 
RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff8801bcebf890
---[ end trace 3b646b040d80f817 ]---