general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 1 PID: 23349 Comm: iou-sqp-23347 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sock_from_file+0x20/0x90 net/socket.c:504
Code: f5 ff ff ff c3 0f 1f 44 00 00 41 54 53 48 89 fb e8 d5 ed 64 fa 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 4f 45 31 e4 48 81 7b 28 c0 19 89 8a 74 0c e8 a8 ed
RSP: 0018:ffffc90002f878c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000005 RSI: ffffffff871060ab RDI: 0000000000000028
RBP: ffff8880a03402c0 R08: ffffffff899a72c0 R09: ffffffff81e15f38
R10: 0000000000000027 R11: 000000000000001b R12: 0000000000000001
R13: 1ffff11014068061 R14: 0000000000000003 R15: ffff8880a03402c0
FS:  00007fde8c8d8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde8c8b7718 CR3: 0000000021e85000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 io_recv+0xc1/0x840 fs/io_uring.c:4965
 io_issue_sqe+0xf66/0x6ba0 fs/io_uring.c:6587
 __io_queue_sqe+0x90/0xb50 fs/io_uring.c:6864
 io_req_task_submit+0xbf/0x1b0 fs/io_uring.c:2218
 tctx_task_work+0x166/0x610 fs/io_uring.c:2143
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_signal include/linux/tracehook.h:212 [inline]
 io_run_task_work fs/io_uring.c:2403 [inline]
 io_run_task_work fs/io_uring.c:2399 [inline]
 io_sq_thread+0x867/0x1370 fs/io_uring.c:7337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 56951f525af92b96 ]---
RIP: 0010:sock_from_file+0x20/0x90 net/socket.c:504
Code: f5 ff ff ff c3 0f 1f 44 00 00 41 54 53 48 89 fb e8 d5 ed 64 fa 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 4f 45 31 e4 48 81 7b 28 c0 19 89 8a 74 0c e8 a8 ed
RSP: 0018:ffffc90002f878c8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000005 RSI: ffffffff871060ab RDI: 0000000000000028
RBP: ffff8880a03402c0 R08: ffffffff899a72c0 R09: ffffffff81e15f38
R10: 0000000000000027 R11: 000000000000001b R12: 0000000000000001
R13: 1ffff11014068061 R14: 0000000000000003 R15: ffff8880a03402c0
FS:  00007fde8c8d8700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000540198 CR3: 0000000021e85000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	ff c3                	inc    %ebx
   2:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   7:	41 54                	push   %r12
   9:	53                   	push   %rbx
   a:	48 89 fb             	mov    %rdi,%rbx
   d:	e8 d5 ed 64 fa       	callq  0xfa64ede7
  12:	48 8d 7b 28          	lea    0x28(%rbx),%rdi
  16:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1d:	fc ff df
  20:	48 89 fa             	mov    %rdi,%rdx
  23:	48 c1 ea 03          	shr    $0x3,%rdx
* 27:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2b:	75 4f                	jne    0x7c
  2d:	45 31 e4             	xor    %r12d,%r12d
  30:	48 81 7b 28 c0 19 89 	cmpq   $0xffffffff8a8919c0,0x28(%rbx)
  37:	8a
  38:	74 0c                	je     0x46
  3a:	e8                   	.byte 0xe8
  3b:	a8 ed                	test   $0xed,%al