program:
r0 = socket(0x28, 0x5, 0x0)
bind$vsock_stream(r0, &(0x7f0000000040), 0x10)
listen(r0, 0x0)
r1 = socket(0x28, 0x5, 0x0)
connect$vsock_stream(r1, &(0x7f0000000080), 0x10)
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x2, 0x31, 0xffffffffffffffff, 0x0)
r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0)
ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32})
write$tun(r2, &(0x7f0000000440)={@val, @void, @eth={@broadcast, @remote, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x452c, 0x0, 0x0, 0x0, 0x2f, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast1}, {0x0, 0x6558, 0x18, 0x0, @wg=@data={0x4, 0x0, 0xffffdd86}}}}}}}, 0xfdef)
setsockopt$sock_linger(r1, 0x1, 0x3c, &(0x7f0000000180)={0x1, 0x5}, 0x8)
sendmmsg(r1, &(0x7f0000000100)=[{{0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000000)="1b", 0x40000}], 0x11}}], 0x1, 0x24008094)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x15)
[ 75.024014][ T5335] Bluetooth: hci0: command tx timeout
[ 75.110105][ T5356] ------------[ cut here ]------------
[ 75.113117][ T5356] 'send_pkt()' returns 0, but 65536 expected
[ 75.126660][ T5356] WARNING: CPU: 0 PID: 5356 at net/vmw_vsock/virtio_transport_common.c:428 virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.132893][ T5356] Modules linked in:
[ 75.136444][ T5356] CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT(full)
[ 75.141760][ T5356] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 75.146901][ T5356] RIP: 0010:virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.150780][ T5356] Code: 0f 0b 90 bd f2 ff ff ff eb bc e8 8a 20 65 f6 c6 05 94 cf 32 04 01 90 48 c7 c7 00 c3 b8 8c 44 89 f6 4c 89 ea e8 40 af 28 f6 90 <0f> 0b 90 90 e9 e1 fe ff ff e8 61 20 65 f6 90 0f 0b 90 e9 c5 f7 ff
[ 75.159370][ T5356] RSP: 0018:ffffc9000d45f530 EFLAGS: 00010246
[ 75.162078][ T5356] RAX: d401b0bc9c3fec00 RBX: 0000000000010000 RCX: 0000000000100000
[ 75.165817][ T5356] RDX: ffffc9000de3a000 RSI: 000000000000865d RDI: 000000000000865e
[ 75.170014][ T5356] RBP: ffffffff8f8764d0 R08: ffff88801fc24253 R09: 1ffff11003f8484a
[ 75.174267][ T5356] R10: dffffc0000000000 R11: ffffed1003f8484b R12: dffffc0000000000
[ 75.177936][ T5356] R13: 0000000000010000 R14: 0000000000000000 R15: ffff888052a686a4
[ 75.181397][ T5356] FS: 00007f8a55c006c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000
[ 75.185432][ T5356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 75.188578][ T5356] CR2: 000020000003f000 CR3: 0000000033762000 CR4: 0000000000352ef0
[ 75.192403][ T5356] Call Trace:
[ 75.194153][ T5356]
[ 75.195519][ T5356] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.197760][ T5356] virtio_transport_seqpacket_enqueue+0x143/0x1c0
[ 75.200304][ T5356] ? __pfx_virtio_transport_seqpacket_enqueue+0x10/0x10
[ 75.203147][ T5356] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 75.205863][ T5356] ? do_raw_spin_unlock+0x4d/0x240
[ 75.208230][ T5356] ? remove_wait_queue+0x33/0x120
[ 75.210505][ T5356] vsock_connectible_sendmsg+0xac7/0x1050
[ 75.213774][ T5356] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 75.216832][ T5356] ? __pfx_aa_sk_perm+0x10/0x10
[ 75.219352][ T5356] ? __pfx_woken_wake_function+0x10/0x10
[ 75.221821][ T5356] ? aa_sock_msg_perm+0xf1/0x1d0
[ 75.224210][ T5356] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 75.226636][ T5356] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 75.229971][ T5356] __sock_sendmsg+0x21c/0x270
[ 75.232431][ T5356] ____sys_sendmsg+0x52d/0x830
[ 75.234865][ T5356] ? __pfx_____sys_sendmsg+0x10/0x10
[ 75.237688][ T5356] ? import_iovec+0x74/0xa0
[ 75.239749][ T5356] ___sys_sendmsg+0x21f/0x2a0
[ 75.241848][ T5356] ? __pfx____sys_sendmsg+0x10/0x10
[ 75.244237][ T5356] ? __fget_files+0x2a/0x420
[ 75.246597][ T5356] ? __fget_files+0x3a0/0x420
[ 75.249145][ T5356] __sys_sendmmsg+0x227/0x430
[ 75.251627][ T5356] ? __pfx___sys_sendmmsg+0x10/0x10
[ 75.254296][ T5356] ? rcu_is_watching+0x15/0xb0
[ 75.256315][ T5356] ? rcu_is_watching+0x15/0xb0
[ 75.258536][ T5356] __x64_sys_sendmmsg+0xa0/0xc0
[ 75.261097][ T5356] do_syscall_64+0xfa/0x3b0
[ 75.263533][ T5356] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.266102][ T5356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.269055][ T5356] ? clear_bhb_loop+0x60/0xb0
[ 75.271126][ T5356] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.273781][ T5356] RIP: 0033:0x7f8a54d8ebe9
[ 75.275812][ T5356] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 75.284152][ T5356] RSP: 002b:00007f8a55c00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
[ 75.288549][ T5356] RAX: ffffffffffffffda RBX: 00007f8a54fb5fa0 RCX: 00007f8a54d8ebe9
[ 75.292277][ T5356] RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004
[ 75.295683][ T5356] RBP: 00007f8a54e11e19 R08: 0000000000000000 R09: 0000000000000000
[ 75.299327][ T5356] R10: 0000000024008094 R11: 0000000000000246 R12: 0000000000000000
[ 75.302880][ T5356] R13: 00007f8a54fb6038 R14: 00007f8a54fb5fa0 R15: 00007ffd6b4e6b38
[ 75.306507][ T5356]
[ 75.308063][ T5356] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 75.311334][ T5356] CPU: 0 UID: 0 PID: 5356 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT(full)
[ 75.316495][ T5356] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 75.323170][ T5356] Call Trace:
[ 75.325148][ T5356]
[ 75.326546][ T5356] dump_stack_lvl+0x99/0x250
[ 75.328648][ T5356] ? __asan_memcpy+0x40/0x70
[ 75.330789][ T5356] ? __pfx_dump_stack_lvl+0x10/0x10
[ 75.333149][ T5356] ? __pfx__printk+0x10/0x10
[ 75.335421][ T5356] vpanic+0x281/0x750
[ 75.337193][ T5356] ? __pfx__printk+0x10/0x10
[ 75.339317][ T5356] ? __pfx_vpanic+0x10/0x10
[ 75.341418][ T5356] ? is_bpf_text_address+0x292/0x2b0
[ 75.343802][ T5356] panic+0xb9/0xc0
[ 75.345524][ T5356] ? __pfx_panic+0x10/0x10
[ 75.347684][ T5356] __warn+0x31b/0x4b0
[ 75.349912][ T5356] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.353355][ T5356] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.356387][ T5356] report_bug+0x2be/0x4f0
[ 75.357997][ T5356] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.360308][ T5356] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.362632][ T5356] ? virtio_transport_send_pkt_info+0xd13/0xf00
[ 75.365098][ T5356] handle_bug+0x84/0x160
[ 75.366872][ T5356] exc_invalid_op+0x1a/0x50
[ 75.369032][ T5356] asm_exc_invalid_op+0x1a/0x20
[ 75.371236][ T5356] RIP: 0010:virtio_transport_send_pkt_info+0xd11/0xf00
[ 75.374268][ T5356] Code: 0f 0b 90 bd f2 ff ff ff eb bc e8 8a 20 65 f6 c6 05 94 cf 32 04 01 90 48 c7 c7 00 c3 b8 8c 44 89 f6 4c 89 ea e8 40 af 28 f6 90 <0f> 0b 90 90 e9 e1 fe ff ff e8 61 20 65 f6 90 0f 0b 90 e9 c5 f7 ff
[ 75.383024][ T5356] RSP: 0018:ffffc9000d45f530 EFLAGS: 00010246
[ 75.386106][ T5356] RAX: d401b0bc9c3fec00 RBX: 0000000000010000 RCX: 0000000000100000
[ 75.389695][ T5356] RDX: ffffc9000de3a000 RSI: 000000000000865d RDI: 000000000000865e
[ 75.393111][ T5356] RBP: ffffffff8f8764d0 R08: ffff88801fc24253 R09: 1ffff11003f8484a
[ 75.396751][ T5356] R10: dffffc0000000000 R11: ffffed1003f8484b R12: dffffc0000000000
[ 75.400272][ T5356] R13: 0000000000010000 R14: 0000000000000000 R15: ffff888052a686a4
[ 75.403680][ T5356] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.406047][ T5356] virtio_transport_seqpacket_enqueue+0x143/0x1c0
[ 75.409057][ T5356] ? __pfx_virtio_transport_seqpacket_enqueue+0x10/0x10
[ 75.412528][ T5356] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 75.415473][ T5356] ? do_raw_spin_unlock+0x4d/0x240
[ 75.417676][ T5356] ? remove_wait_queue+0x33/0x120
[ 75.419939][ T5356] vsock_connectible_sendmsg+0xac7/0x1050
[ 75.422496][ T5356] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 75.425475][ T5356] ? __pfx_aa_sk_perm+0x10/0x10
[ 75.427582][ T5356] ? __pfx_woken_wake_function+0x10/0x10
[ 75.429845][ T5356] ? aa_sock_msg_perm+0xf1/0x1d0
[ 75.431872][ T5356] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 75.434290][ T5356] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 75.437365][ T5356] __sock_sendmsg+0x21c/0x270
[ 75.439855][ T5356] ____sys_sendmsg+0x52d/0x830
[ 75.442284][ T5356] ? __pfx_____sys_sendmsg+0x10/0x10
[ 75.444776][ T5356] ? import_iovec+0x74/0xa0
[ 75.446870][ T5356] ___sys_sendmsg+0x21f/0x2a0
[ 75.448905][ T5356] ? __pfx____sys_sendmsg+0x10/0x10
[ 75.451142][ T5356] ? __fget_files+0x2a/0x420
[ 75.453099][ T5356] ? __fget_files+0x3a0/0x420
[ 75.455420][ T5356] __sys_sendmmsg+0x227/0x430
[ 75.457792][ T5356] ? __pfx___sys_sendmmsg+0x10/0x10
[ 75.460339][ T5356] ? rcu_is_watching+0x15/0xb0
[ 75.462555][ T5356] ? rcu_is_watching+0x15/0xb0
[ 75.464843][ T5356] __x64_sys_sendmmsg+0xa0/0xc0
[ 75.467071][ T5356] do_syscall_64+0xfa/0x3b0
[ 75.469241][ T5356] ? lockdep_hardirqs_on+0x9c/0x150
[ 75.471511][ T5356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.474237][ T5356] ? clear_bhb_loop+0x60/0xb0
[ 75.476328][ T5356] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 75.479204][ T5356] RIP: 0033:0x7f8a54d8ebe9
[ 75.481442][ T5356] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 75.493174][ T5356] RSP: 002b:00007f8a55c00038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
[ 75.497542][ T5356] RAX: ffffffffffffffda RBX: 00007f8a54fb5fa0 RCX: 00007f8a54d8ebe9
[ 75.501575][ T5356] RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004
[ 75.506205][ T5356] RBP: 00007f8a54e11e19 R08: 0000000000000000 R09: 0000000000000000
[ 75.511132][ T5356] R10: 0000000024008094 R11: 0000000000000246 R12: 0000000000000000
[ 75.514558][ T5356] R13: 00007f8a54fb6038 R14: 00007f8a54fb5fa0 R15: 00007ffd6b4e6b38
[ 75.517998][ T5356]
[ 75.519855][ T5356] Kernel Offset: disabled
[ 75.521952][ T5356] Rebooting in 86400 seconds..