general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 386 Comm: kworker/1:3 Not tainted 5.10.101-syzkaller-00002-ga37eec78a6b7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue:  0x0
 (wg-crypt-wg1)

RIP: 0010:process_one_work+0xbc/0xc10 kernel/workqueue.c:2195
Code: df e8 98 cf 5f 00 4c 89 7d b8 4c 8b 2b 49 8d 5c 24 08 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 8d 70 ff ff ff <80> 3c 01 00 74 08 48 89 df e8 66 cf 5f 00 41 bf 00 01 00 00 48 89
RSP: 0018:ffffc90000ce7d28 EFLAGS: 00010002

RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000001
RDX: ffff888106dacf00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ce7dc0 R08: ffffffff8146ab5b R09: ffffed102208be8e
R10: ffffed102208be8e R11: 1ffff1102208be8d R12: 0000000000000000
R13: ffff8881f7355700 R14: dffffc0000000000 R15: ffff88810519f800
FS:  0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd7fdab28 CR3: 000000011d390000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:

---[ end trace 5e9b032eaaf0793d ]---
RIP: 0010:process_one_work+0xbc/0xc10 kernel/workqueue.c:2195
Code: df e8 98 cf 5f 00 4c 89 7d b8 4c 8b 2b 49 8d 5c 24 08 48 89 d9 48 c1 e9 03 48 b8 00 00 00 00 00 fc ff df 48 89 8d 70 ff ff ff <80> 3c 01 00 74 08 48 89 df e8 66 cf 5f 00 41 bf 00 01 00 00 48 89
RSP: 0018:ffffc90000ce7d28 EFLAGS: 00010002

RAX: dffffc0000000000 RBX: 0000000000000008 RCX: 0000000000000001
RDX: ffff888106dacf00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ce7dc0 R08: ffffffff8146ab5b R09: ffffed102208be8e
R10: ffffed102208be8e R11: 1ffff1102208be8d R12: 0000000000000000
R13: ffff8881f7355700 R14: dffffc0000000000 R15: ffff88810519f800
FS:  0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd7fdab28 CR3: 000000011d390000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	df e8                	fucomip %st(0),%st
   2:	98                   	cwtl
   3:	cf                   	iret
   4:	5f                   	pop    %rdi
   5:	00 4c 89 7d          	add    %cl,0x7d(%rcx,%rcx,4)
   9:	b8 4c 8b 2b 49       	mov    $0x492b8b4c,%eax
   e:	8d 5c 24 08          	lea    0x8(%rsp),%ebx
  12:	48 89 d9             	mov    %rbx,%rcx
  15:	48 c1 e9 03          	shr    $0x3,%rcx
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 8d 70 ff ff ff 	mov    %rcx,-0x90(%rbp)
* 2a:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 66 cf 5f 00       	callq  0x5fcf9e
  38:	41 bf 00 01 00 00    	mov    $0x100,%r15d
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89