IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
BUG: unable to handle page fault for address: fffffffffffffff8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 6010067 P4D 6010067 PUD 6012067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 391 Comm: kworker/0:2 Not tainted 5.18.0-syzkaller-12008-g1b599f72899a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cgroup_destroy css_killed_work_fn
RIP: 0010:swake_up_locked kernel/sched/swait.c:29 [inline]
RIP: 0010:complete+0xac/0x1c0 kernel/sched/completion.c:36
Code: 00 42 80 3c 33 00 74 08 4c 89 ff e8 7e 8b 5c 00 49 8b 1f 48 8d 7b f8 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 64 8b 5c 00 <48> 8b 7b f8 e8 7b 73 f9 ff 48 89 df e8 43 67 05 01 84 c0 74 6c 48
RSP: 0018:ffffc90000af7c88 EFLAGS: 00010046
RAX: 1fffffffffffffff RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffffffffffffff8
RBP: ffffc90000af7cc0 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff5200015ef7d R11: 1ffff9200015ef7c R12: 1ffff1102448ad98
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff888122456cd0
FS:  0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 000000011bb92000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 css_killed_work_fn+0x3c/0x3e0 kernel/cgroup/cgroup.c:5560
 process_one_work+0x6cb/0xbf0 kernel/workqueue.c:2289
 worker_thread+0xb3c/0x1390 kernel/workqueue.c:2436
 kthread+0x26b/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in:
CR2: fffffffffffffff8
---[ end trace 0000000000000000 ]---
RIP: 0010:swake_up_locked kernel/sched/swait.c:29 [inline]
RIP: 0010:complete+0xac/0x1c0 kernel/sched/completion.c:36
Code: 00 42 80 3c 33 00 74 08 4c 89 ff e8 7e 8b 5c 00 49 8b 1f 48 8d 7b f8 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 64 8b 5c 00 <48> 8b 7b f8 e8 7b 73 f9 ff 48 89 df e8 43 67 05 01 84 c0 74 6c 48
RSP: 0018:ffffc90000af7c88 EFLAGS: 00010046
RAX: 1fffffffffffffff RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffffffffffffff8
RBP: ffffc90000af7cc0 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff5200015ef7d R11: 1ffff9200015ef7c R12: 1ffff1102448ad98
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff888122456cd0
FS:  0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 000000011bb92000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 42 80             	add    %al,-0x80(%rdx)
   3:	3c 33                	cmp    $0x33,%al
   5:	00 74 08 4c          	add    %dh,0x4c(%rax,%rcx,1)
   9:	89 ff                	mov    %edi,%edi
   b:	e8 7e 8b 5c 00       	callq  0x5c8b8e
  10:	49 8b 1f             	mov    (%r15),%rbx
  13:	48 8d 7b f8          	lea    -0x8(%rbx),%rdi
  17:	48 89 f8             	mov    %rdi,%rax
  1a:	48 c1 e8 03          	shr    $0x3,%rax
  1e:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1)
  23:	74 05                	je     0x2a
  25:	e8 64 8b 5c 00       	callq  0x5c8b8e
* 2a:	48 8b 7b f8          	mov    -0x8(%rbx),%rdi <-- trapping instruction
  2e:	e8 7b 73 f9 ff       	callq  0xfff973ae
  33:	48 89 df             	mov    %rbx,%rdi
  36:	e8 43 67 05 01       	callq  0x105677e
  3b:	84 c0                	test   %al,%al
  3d:	74 6c                	je     0xab
  3f:	48                   	rex.W