general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 PID: 39 Comm: kworker/1:1 Not tainted 6.1.124-syzkaller-00018-g52a41f0bf15c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: vsock-loopback vsock_loopback_work
RIP: 0010:vsock_stream_has_data+0x46/0x70 net/vmw_vsock/af_vsock.c:869
Code: 8d 9e 60 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 18 c2 af 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 fb c1 af fc 4c 89 f7 ff 13 5b 41
RSP: 0018:ffffc9000028f5b8 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff888100899440
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888110f6abc0
RBP: ffffc9000028f5d0 R08: dffffc0000000000 R09: ffffed10221ed585
R10: 0000000000000000 R11: dffffc0000000001 R12: fffff52000051ee8
R13: dffffc0000000000 R14: ffff888110f6abc0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb74b333f80 CR3: 00000001259a0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
virtio_transport_do_close+0x67/0x3e0 net/vmw_vsock/virtio_transport_common.c:910
virtio_transport_recv_disconnecting net/vmw_vsock/virtio_transport_common.c:1138 [inline]
virtio_transport_recv_pkt+0x129f/0x3fc0 net/vmw_vsock/virtio_transport_common.c:1338
vsock_loopback_work+0x37d/0x3f0 net/vmw_vsock/vsock_loopback.c:137
process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
kthread+0x26d/0x300 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vsock_stream_has_data+0x46/0x70 net/vmw_vsock/af_vsock.c:869
Code: 8d 9e 60 03 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 18 c2 af 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 fb c1 af fc 4c 89 f7 ff 13 5b 41
RSP: 0018:ffffc9000028f5b8 EFLAGS: 00010206
RAX: 000000000000000c RBX: 0000000000000060 RCX: ffff888100899440
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888110f6abc0
RBP: ffffc9000028f5d0 R08: dffffc0000000000 R09: ffffed10221ed585
R10: 0000000000000000 R11: dffffc0000000001 R12: fffff52000051ee8
R13: dffffc0000000000 R14: ffff888110f6abc0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb74b33f766 CR3: 000000010fee8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 8d 9e 60 03 00 00 lea 0x360(%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 18 c2 af fc call 0xfcafc234
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 fb c1 af fc call 0xfcafc234
39: 4c 89 f7 mov %r14,%rdi
3c: ff 13 call *(%rbx)
3e: 5b pop %rbx
3f: 41 rex.B