./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2746232730
<...>
Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts.
execve("./syz-executor2746232730", ["./syz-executor2746232730"], 0x7ffc0bb2ca20 /* 10 vars */) = 0
brk(NULL) = 0x55558aff0000
brk(0x55558aff0d00) = 0x55558aff0d00
arch_prctl(ARCH_SET_FS, 0x55558aff0380) = 0
set_tid_address(0x55558aff0650) = 5868
set_robust_list(0x55558aff0660, 24) = 0
rseq(0x55558aff0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2746232730", 4096) = 28
getrandom("\x11\x98\x24\x58\x49\xf5\xc4\xac", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558aff0d00
brk(0x55558b011d00) = 0x55558b011d00
brk(0x55558b012000) = 0x55558b012000
mprotect(0x7f27b8314000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18) = 18
socket(AF_VSOCK, SOCK_SEQPACKET, 0) = 3
bind(3, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_ANY, svm_port=0, svm_flags=0}, 16) = 0
listen(3, 0) = 0
socket(AF_VSOCK, SOCK_SEQPACKET, 0) = 4
connect(4, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_ANY, svm_port=0, svm_flags=0}, 16) = 0
mmap(0x200000000000, 16506880, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
openat(AT_FDCWD, 0x200000000000, O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE|O_NOATIME, 000) = 5
ioctl(5, TUNSETIFF, 0x2000000000c0) = 0
write(5, 0x200000000440, 65007) = -1 EIO (Input/output error)
setsockopt(4, SOL_SOCKET, SO_ZEROCOPY, 0x200000000180, 8) = 0
[ 101.143544][ T5868] ------------[ cut here ]------------
[ 101.149455][ T5868] 'send_pkt()' returns 0, but 65536 expected
[ 101.156886][ T5868] WARNING: net/vmw_vsock/virtio_transport_common.c:428 at virtio_transport_send_pkt_info+0xd11/0xf00, CPU#0: syz-executor274/5868
[ 101.170382][ T5868] Modules linked in:
[ 101.174466][ T5868] CPU: 0 UID: 0 PID: 5868 Comm: syz-executor274 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 101.186089][ T5868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 101.196307][ T5868] RIP: 0010:virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.203218][ T5868] Code: 0f 0b 90 bd f2 ff ff ff eb bc e8 0a bb 5d f6 c6 05 c7 7a 6c 04 01 90 48 c7 c7 c0 67 da 8c 44 89 f6 4c 89 ea e8 60 51 21 f6 90 <0f> 0b 90 90 e9 e1 fe ff ff e8 e1 ba 5d f6 90 0f 0b 90 e9 c5 f7 ff
[ 101.223008][ T5868] RSP: 0018:ffffc90003ff7530 EFLAGS: 00010246
[ 101.229149][ T5868] RAX: 25b542f62e4ca300 RBX: 0000000000010000 RCX: ffff888028b49e00
[ 101.237838][ T5868] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 101.245847][ T5868] RBP: ffffffff8fc8be10 R08: ffff8880b8624253 R09: 1ffff110170c484a
[ 101.253917][ T5868] R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
[ 101.261973][ T5868] R13: 0000000000010000 R14: 0000000000000000 R15: ffff888025f58364
[ 101.270111][ T5868] FS: 000055558aff0380(0000) GS:ffff8881257db000(0000) knlGS:0000000000000000
[ 101.279126][ T5868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 101.285751][ T5868] CR2: 000020000003f000 CR3: 000000007127a000 CR4: 00000000003526f0
[ 101.293798][ T5868] Call Trace:
[ 101.297125][ T5868]
[ 101.300063][ T5868] ? lockdep_hardirqs_on+0x9c/0x150
[ 101.305280][ T5868] virtio_transport_seqpacket_enqueue+0x143/0x1c0
[ 101.311772][ T5868] ? __pfx_virtio_transport_seqpacket_enqueue+0x10/0x10
[ 101.318815][ T5868] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 101.325160][ T5868] ? do_raw_spin_unlock+0x122/0x240
[ 101.330453][ T5868] ? remove_wait_queue+0x33/0x120
[ 101.335527][ T5868] vsock_connectible_sendmsg+0xac7/0x1050
[ 101.341337][ T5868] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 101.347564][ T5868] ? __pfx_aa_sk_perm+0x10/0x10
[ 101.352431][ T5868] ? __pfx_woken_wake_function+0x10/0x10
[ 101.358158][ T5868] ? aa_sock_msg_perm+0xf1/0x1d0
[ 101.363177][ T5868] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 101.368570][ T5868] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 101.374772][ T5868] __sock_sendmsg+0x21c/0x270
[ 101.379549][ T5868] ____sys_sendmsg+0x52d/0x830
[ 101.384346][ T5868] ? __pfx_____sys_sendmsg+0x10/0x10
[ 101.389733][ T5868] ? import_iovec+0x74/0xa0
[ 101.394275][ T5868] ___sys_sendmsg+0x21f/0x2a0
[ 101.399055][ T5868] ? __pfx____sys_sendmsg+0x10/0x10
[ 101.404291][ T5868] ? trace_sched_exit_tp+0x36/0x110
[ 101.409558][ T5868] ? __schedule+0x17ae/0x4cc0
[ 101.414280][ T5868] ? __lock_acquire+0xab9/0xd20
[ 101.419231][ T5868] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 101.424684][ T5868] __sys_sendmmsg+0x227/0x430
[ 101.429578][ T5868] ? __pfx___sys_sendmmsg+0x10/0x10
[ 101.434821][ T5868] ? _raw_spin_unlock_irq+0x23/0x50
[ 101.440550][ T5868] ? lockdep_hardirqs_on+0x9c/0x150
[ 101.445810][ T5868] ? rcu_is_watching+0x15/0xb0
[ 101.450682][ T5868] __x64_sys_sendmmsg+0xa0/0xc0
[ 101.455612][ T5868] do_syscall_64+0xfa/0x3b0
[ 101.460200][ T5868] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.466350][ T5868] ? asm_common_interrupt+0x26/0x40
[ 101.471577][ T5868] ? clear_bhb_loop+0x60/0xb0
[ 101.476360][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.482307][ T5868] RIP: 0033:0x7f27b82a16e9
[ 101.486839][ T5868] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 101.506547][ T5868] RSP: 002b:00007ffe4dd9e978 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
[ 101.515009][ T5868] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f27b82a16e9
[ 101.523234][ T5868] RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004
[ 101.531269][ T5868] RBP: 00007f27b8314610 R08: 18001100000ac5f8 R09: 18001100000ac5f8
[ 101.539321][ T5868] R10: 0000000024008094 R11: 0000000000000246 R12: 0000000000000001
[ 101.547363][ T5868] R13: 00007ffe4dd9eb48 R14: 0000000000000001 R15: 0000000000000001
[ 101.555366][ T5868]
[ 101.558609][ T5868] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 101.565914][ T5868] CPU: 0 UID: 0 PID: 5868 Comm: syz-executor274 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 101.577459][ T5868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 101.587545][ T5868] Call Trace:
[ 101.590828][ T5868]
[ 101.593763][ T5868] dump_stack_lvl+0x99/0x250
[ 101.598367][ T5868] ? __asan_memcpy+0x40/0x70
[ 101.602988][ T5868] ? __pfx_dump_stack_lvl+0x10/0x10
[ 101.608195][ T5868] ? __pfx__printk+0x10/0x10
[ 101.612808][ T5868] vpanic+0x281/0x750
[ 101.616827][ T5868] ? __pfx__printk+0x10/0x10
[ 101.621442][ T5868] ? __pfx_vpanic+0x10/0x10
[ 101.625956][ T5868] ? is_bpf_text_address+0x292/0x2b0
[ 101.631256][ T5868] ? is_bpf_text_address+0x26/0x2b0
[ 101.636473][ T5868] panic+0xb9/0xc0
[ 101.640233][ T5868] ? __pfx_panic+0x10/0x10
[ 101.644674][ T5868] __warn+0x334/0x4c0
[ 101.648674][ T5868] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.654949][ T5868] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.661224][ T5868] report_bug+0x2be/0x4f0
[ 101.665585][ T5868] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.671849][ T5868] ? virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.678111][ T5868] ? virtio_transport_send_pkt_info+0xd13/0xf00
[ 101.684373][ T5868] handle_bug+0x84/0x160
[ 101.688625][ T5868] exc_invalid_op+0x1a/0x50
[ 101.693136][ T5868] asm_exc_invalid_op+0x1a/0x20
[ 101.697994][ T5868] RIP: 0010:virtio_transport_send_pkt_info+0xd11/0xf00
[ 101.704862][ T5868] Code: 0f 0b 90 bd f2 ff ff ff eb bc e8 0a bb 5d f6 c6 05 c7 7a 6c 04 01 90 48 c7 c7 c0 67 da 8c 44 89 f6 4c 89 ea e8 60 51 21 f6 90 <0f> 0b 90 90 e9 e1 fe ff ff e8 e1 ba 5d f6 90 0f 0b 90 e9 c5 f7 ff
[ 101.724473][ T5868] RSP: 0018:ffffc90003ff7530 EFLAGS: 00010246
[ 101.730550][ T5868] RAX: 25b542f62e4ca300 RBX: 0000000000010000 RCX: ffff888028b49e00
[ 101.738533][ T5868] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 101.746521][ T5868] RBP: ffffffff8fc8be10 R08: ffff8880b8624253 R09: 1ffff110170c484a
[ 101.754499][ T5868] R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
[ 101.762493][ T5868] R13: 0000000000010000 R14: 0000000000000000 R15: ffff888025f58364
[ 101.770543][ T5868] ? lockdep_hardirqs_on+0x9c/0x150
[ 101.775781][ T5868] virtio_transport_seqpacket_enqueue+0x143/0x1c0
[ 101.782218][ T5868] ? __pfx_virtio_transport_seqpacket_enqueue+0x10/0x10
[ 101.789175][ T5868] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 101.795514][ T5868] ? do_raw_spin_unlock+0x122/0x240
[ 101.800734][ T5868] ? remove_wait_queue+0x33/0x120
[ 101.805782][ T5868] vsock_connectible_sendmsg+0xac7/0x1050
[ 101.811542][ T5868] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 101.817715][ T5868] ? __pfx_aa_sk_perm+0x10/0x10
[ 101.822597][ T5868] ? __pfx_woken_wake_function+0x10/0x10
[ 101.828240][ T5868] ? aa_sock_msg_perm+0xf1/0x1d0
[ 101.833198][ T5868] ? bpf_lsm_socket_sendmsg+0x9/0x20
[ 101.838496][ T5868] ? __pfx_vsock_connectible_sendmsg+0x10/0x10
[ 101.844674][ T5868] __sock_sendmsg+0x21c/0x270
[ 101.849372][ T5868] ____sys_sendmsg+0x52d/0x830
[ 101.854168][ T5868] ? __pfx_____sys_sendmsg+0x10/0x10
[ 101.859469][ T5868] ? import_iovec+0x74/0xa0
[ 101.863989][ T5868] ___sys_sendmsg+0x21f/0x2a0
[ 101.868705][ T5868] ? __pfx____sys_sendmsg+0x10/0x10
[ 101.873921][ T5868] ? trace_sched_exit_tp+0x36/0x110
[ 101.879131][ T5868] ? __schedule+0x17ae/0x4cc0
[ 101.883830][ T5868] ? __lock_acquire+0xab9/0xd20
[ 101.888700][ T5868] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 101.894101][ T5868] __sys_sendmmsg+0x227/0x430
[ 101.898794][ T5868] ? __pfx___sys_sendmmsg+0x10/0x10
[ 101.904014][ T5868] ? _raw_spin_unlock_irq+0x23/0x50
[ 101.909222][ T5868] ? lockdep_hardirqs_on+0x9c/0x150
[ 101.914454][ T5868] ? rcu_is_watching+0x15/0xb0
[ 101.919234][ T5868] __x64_sys_sendmmsg+0xa0/0xc0
[ 101.924102][ T5868] do_syscall_64+0xfa/0x3b0
[ 101.928617][ T5868] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.934693][ T5868] ? asm_common_interrupt+0x26/0x40
[ 101.939897][ T5868] ? clear_bhb_loop+0x60/0xb0
[ 101.944583][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.950483][ T5868] RIP: 0033:0x7f27b82a16e9
[ 101.954902][ T5868] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 101.974532][ T5868] RSP: 002b:00007ffe4dd9e978 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
[ 101.982960][ T5868] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f27b82a16e9
[ 101.990944][ T5868] RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004
[ 101.998924][ T5868] RBP: 00007f27b8314610 R08: 18001100000ac5f8 R09: 18001100000ac5f8
[ 102.006905][ T5868] R10: 0000000024008094 R11: 0000000000000246 R12: 0000000000000001
[ 102.014900][ T5868] R13: 00007ffe4dd9eb48 R14: 0000000000000001 R15: 0000000000000001
[ 102.022912][ T5868]
[ 102.026268][ T5868] Kernel Offset: disabled
[ 102.030609][ T5868] Rebooting in 86400 seconds..