general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.10.231-syzkaller-1004756-g4055d754db6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: vsock-loopback vsock_loopback_work
RIP: 0010:vsock_stream_has_data+0x46/0x70 net/vmw_vsock/af_vsock.c:826
Code: 8d 9e 48 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 48 65 fe fc 48 8b 1b 48 83 c3 60 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 2b 65 fe fc 4c 89 f7 ff 13 5b 41
RSP: 0018:ffffc90000057678 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff8881001f13c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888122f8b840
RBP: ffffc90000057690 R08: dffffc0000000000 R09: ffffed10245f1715
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122f8b840
R13: dffffc0000000000 R14: ffff888122f8b840 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002006b000 CR3: 0000000112304000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 virtio_transport_do_close+0x67/0x3e0 net/vmw_vsock/virtio_transport_common.c:789
 virtio_transport_recv_disconnecting net/vmw_vsock/virtio_transport_common.c:1006 [inline]
 virtio_transport_recv_pkt+0xec9/0x4130 net/vmw_vsock/virtio_transport_common.c:1187
 vsock_loopback_work+0x37d/0x3f0 net/vmw_vsock/vsock_loopback.c:125
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 82232cb3f67547b4 ]---
RIP: 0010:vsock_stream_has_data+0x46/0x70 net/vmw_vsock/af_vsock.c:826
Code: 8d 9e 48 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 48 65 fe fc 48 8b 1b 48 83 c3 60 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 2b 65 fe fc 4c 89 f7 ff 13 5b 41
RSP: 0018:ffffc90000057678 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff8881001f13c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888122f8b840
RBP: ffffc90000057690 R08: dffffc0000000000 R09: ffffed10245f1715
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122f8b840
R13: dffffc0000000000 R14: ffff888122f8b840 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002006b000 CR3: 000000010d209000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8d 9e 48 03 00 00    	lea    0x348(%rsi),%ebx
   6:	48 89 d8             	mov    %rbx,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 48 65 fe fc       	call   0xfcfe6564
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 83 c3 60          	add    $0x60,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 2b 65 fe fc       	call   0xfcfe6564
  39:	4c 89 f7             	mov    %r14,%rdi
  3c:	ff 13                	call   *(%rbx)
  3e:	5b                   	pop    %rbx
  3f:	41                   	rex.B