general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7]
CPU: 1 PID: 32606 Comm: syz-executor.2 Not tainted 6.2.0-rc6-next-20230201-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:mutex_trylock+0xab/0x370 kernel/locking/mutex.c:1085
Code: c8 7c 08 84 c9 0f 85 7d 02 00 00 8b 3d ce 06 b8 07 85 ff 75 29 49 8d 7f 60 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 7a 02 00 00 4d 39 7f 60 0f 85 b0 01 00 00 be 08
RSP: 0018:ffffc900064a7aa0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888076e1d088 RCX: 0000000000000014
RDX: 0000000000000000 RSI: ffffffff8410a31a RDI: 00000000000000a0
RBP: 1ffff92000c94f56 R08: 0000000000000001 R09: ffffffff8e74b7d7
R10: fffffbfff1ce96fa R11: 0000000000000000 R12: ffffffff91ca7240
R13: ffff888076e1d000 R14: dffffc0000000000 R15: 0000000000000040
FS:  00007f2f3f1d4700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9987f821b8 CR3: 0000000054e54000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 handle_tw_list io_uring/io_uring.c:1180 [inline]
 tctx_task_work+0x1c9/0xb30 io_uring/io_uring.c:1246
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 get_signal+0x1c7/0x25b0 kernel/signal.c:2635
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2f3e48c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2f3f1d4168 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: 0000000000000400 RBX: 00007f2f3e5abf80 RCX: 00007f2f3e48c0c9
RDX: 0000000000f0ffff RSI: 0000000000003d1b RDI: 0000000000000005
RBP: 00007f2f3e4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeb1f0cb5f R14: 00007f2f3f1d4300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:mutex_trylock+0xab/0x370 kernel/locking/mutex.c:1085
Code: c8 7c 08 84 c9 0f 85 7d 02 00 00 8b 3d ce 06 b8 07 85 ff 75 29 49 8d 7f 60 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 7a 02 00 00 4d 39 7f 60 0f 85 b0 01 00 00 be 08
RSP: 0018:ffffc900064a7aa0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888076e1d088 RCX: 0000000000000014
RDX: 0000000000000000 RSI: ffffffff8410a31a RDI: 00000000000000a0
RBP: 1ffff92000c94f56 R08: 0000000000000001 R09: ffffffff8e74b7d7
R10: fffffbfff1ce96fa R11: 0000000000000000 R12: ffffffff91ca7240
R13: ffff888076e1d000 R14: dffffc0000000000 R15: 0000000000000040
FS:  00007f2f3f1d4700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31323000 CR3: 0000000054e54000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c8 7c 08 84          	enterq $0x87c,$0x84
   4:	c9                   	leaveq
   5:	0f 85 7d 02 00 00    	jne    0x288
   b:	8b 3d ce 06 b8 07    	mov    0x7b806ce(%rip),%edi        # 0x7b806df
  11:	85 ff                	test   %edi,%edi
  13:	75 29                	jne    0x3e
  15:	49 8d 7f 60          	lea    0x60(%r15),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 f9             	mov    %rdi,%rcx
  26:	48 c1 e9 03          	shr    $0x3,%rcx
* 2a:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1) <-- trapping instruction
  2e:	0f 85 7a 02 00 00    	jne    0x2ae
  34:	4d 39 7f 60          	cmp    %r15,0x60(%r15)
  38:	0f 85 b0 01 00 00    	jne    0x1ee
  3e:	be                   	.byte 0xbe
  3f:	08                   	.byte 0x8