./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3105618794
<...>
forked to background, child pid 4641
no interfaces have a carrier
[ 23.394106][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0
[ 23.403413][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.168' (ECDSA) to the list of known hosts.
execve("./syz-executor3105618794", ["./syz-executor3105618794"], 0x7fff4f399b70 /* 10 vars */) = 0
brk(NULL) = 0x5555563d8000
brk(0x5555563d8c40) = 0x5555563d8c40
arch_prctl(ARCH_SET_FS, 0x5555563d8300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3105618794", 4096) = 28
brk(0x5555563f9c40) = 0x5555563f9c40
brk(0x5555563fa000) = 0x5555563fa000
mprotect(0x7f73b3d4a000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
socket(AF_TIPC, SOCK_STREAM, 0) = 3
syzkaller login: [ 43.236317][ T5069] ------------[ cut here ]------------
[ 43.242000][ T5069] WARNING: CPU: 0 PID: 5069 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 43.250879][ T5069] Modules linked in:
[ 43.254810][ T5069] CPU: 0 PID: 5069 Comm: syz-executor310 Not tainted 6.2.0-rc6-syzkaller #0
[ 43.263621][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 43.273754][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 43.279357][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 6d 97 77 fd be 79 02 00 00 48 c7 c7 20 62 a6 8a e8 fc c3 b0 fd e9 55 fe ff ff e8 52 97 77 fd <0f> 0b 45 31 ff eb 8b e8 46 97 77 fd 31 ff 89 ee e8 ad 93 77 fd 40
[ 43.299094][ T5069] RSP: 0018:ffffc90003ccf830 EFLAGS: 00010293
[ 43.305258][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.313296][ T5069] RDX: ffff88802a71d7c0 RSI: ffffffff8409cb0e RDI: 0000000000000001
[ 43.321274][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 43.329358][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003ccfd00
[ 43.337427][ T5069] R13: ffffc90003ccfd00 R14: ffff88807ba07180 R15: 0000000000000000
[ 43.345548][ T5069] FS: 00005555563d8300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 43.354595][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.361165][ T5069] CR2: 00007f73b3d24fb8 CR3: 0000000026954000 CR4: 0000000000350ee0
[ 43.369182][ T5069] Call Trace:
[ 43.372561][ T5069]
[ 43.375511][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 43.381346][ T5069] ? memset+0x24/0x50
[ 43.385420][ T5069] ? __build_skb_around+0x276/0x3a0
[ 43.390653][ T5069] ? __alloc_skb+0x185/0x310
[ 43.395347][ T5069] ? __check_object_size+0x31/0x5a0
[ 43.400609][ T5069] tipc_msg_build+0x2d4/0x10a0
[ 43.405425][ T5069] ? tipc_msg_assemble+0x510/0x510
[ 43.410555][ T5069] ? __tipc_node_link_down+0x1540/0x1540
[ 43.416253][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.421564][ T5069] __tipc_sendmsg+0xada/0x1870
[ 43.426448][ T5069] ? tipc_sendmcast+0xe60/0xe60
[ 43.431351][ T5069] ? __init_waitqueue_head+0x150/0x150
[ 43.436879][ T5069] ? mark_held_locks+0x9f/0xe0
[ 43.441755][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.447063][ T5069] tipc_connect+0x57b/0x6b0
[ 43.451578][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.456367][ T5069] ? bpf_lsm_socket_connect+0x9/0x10
[ 43.461722][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.466231][ T5069] __sys_connect_file+0x153/0x1a0
[ 43.471246][ T5069] __sys_connect+0x165/0x1a0
[ 43.475903][ T5069] ? __sys_connect_file+0x1a0/0x1a0
[ 43.481134][ T5069] ? _raw_spin_unlock_irq+0x23/0x50
[ 43.486369][ T5069] ? lockdep_hardirqs_on+0x7d/0x100
[ 43.491575][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50
[ 43.496841][ T5069] __x64_sys_connect+0x73/0xb0
[ 43.501618][ T5069] do_syscall_64+0x39/0xb0
[ 43.506110][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.512175][ T5069] RIP: 0033:0x7f73b3cddb19
[ 43.516617][ T5069] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 43.536314][ T5069] RSP: 002b:00007ffd576b1698 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 43.544884][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73b3cddb19
[ 43.552928][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 43.560908][ T5069] RBP: 00007f73b3ca1cc0 R08: 0000000000000000 R09: 0000000000000000
[ 43.568919][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73b3ca1d50
[ 43.576941][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 43.584960][ T5069]
[ 43.587982][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 43.595239][ T5069] CPU: 1 PID: 5069 Comm: syz-executor310 Not tainted 6.2.0-rc6-syzkaller #0
[ 43.603903][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 43.613951][ T5069] Call Trace:
[ 43.617273][ T5069]
[ 43.620211][ T5069] dump_stack_lvl+0xd1/0x138
[ 43.624821][ T5069] panic+0x2cc/0x626
[ 43.628721][ T5069] ? panic_print_sys_info.part.0+0x110/0x110
[ 43.634797][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.639740][ T5069] check_panic_on_warn.cold+0x19/0x35
[ 43.645117][ T5069] __warn+0xf2/0x1a0
[ 43.649012][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.654037][ T5069] report_bug+0x1c0/0x210
[ 43.658368][ T5069] handle_bug+0x3c/0x70
[ 43.662529][ T5069] exc_invalid_op+0x18/0x50
[ 43.667133][ T5069] asm_exc_invalid_op+0x1a/0x20
[ 43.671982][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 43.677557][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 6d 97 77 fd be 79 02 00 00 48 c7 c7 20 62 a6 8a e8 fc c3 b0 fd e9 55 fe ff ff e8 52 97 77 fd <0f> 0b 45 31 ff eb 8b e8 46 97 77 fd 31 ff 89 ee e8 ad 93 77 fd 40
[ 43.697195][ T5069] RSP: 0018:ffffc90003ccf830 EFLAGS: 00010293
[ 43.703275][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.711248][ T5069] RDX: ffff88802a71d7c0 RSI: ffffffff8409cb0e RDI: 0000000000000001
[ 43.719477][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 43.727452][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003ccfd00
[ 43.735422][ T5069] R13: ffffc90003ccfd00 R14: ffff88807ba07180 R15: 0000000000000000
[ 43.744094][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.749045][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 43.754881][ T5069] ? memset+0x24/0x50
[ 43.758909][ T5069] ? __build_skb_around+0x276/0x3a0
[ 43.764132][ T5069] ? __alloc_skb+0x185/0x310
[ 43.768733][ T5069] ? __check_object_size+0x31/0x5a0
[ 43.773947][ T5069] tipc_msg_build+0x2d4/0x10a0
[ 43.779510][ T5069] ? tipc_msg_assemble+0x510/0x510
[ 43.784781][ T5069] ? __tipc_node_link_down+0x1540/0x1540
[ 43.790466][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.795762][ T5069] __tipc_sendmsg+0xada/0x1870
[ 43.800541][ T5069] ? tipc_sendmcast+0xe60/0xe60
[ 43.805397][ T5069] ? __init_waitqueue_head+0x150/0x150
[ 43.810865][ T5069] ? mark_held_locks+0x9f/0xe0
[ 43.815630][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.820913][ T5069] tipc_connect+0x57b/0x6b0
[ 43.825424][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.830024][ T5069] ? bpf_lsm_socket_connect+0x9/0x10
[ 43.835314][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.839907][ T5069] __sys_connect_file+0x153/0x1a0
[ 43.845030][ T5069] __sys_connect+0x165/0x1a0
[ 43.849621][ T5069] ? __sys_connect_file+0x1a0/0x1a0
[ 43.854850][ T5069] ? _raw_spin_unlock_irq+0x23/0x50
[ 43.860138][ T5069] ? lockdep_hardirqs_on+0x7d/0x100
[ 43.865362][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50
[ 43.870576][ T5069] __x64_sys_connect+0x73/0xb0
[ 43.875359][ T5069] do_syscall_64+0x39/0xb0
[ 43.879814][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.885724][ T5069] RIP: 0033:0x7f73b3cddb19
[ 43.890167][ T5069] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 c0 ff ff ff f7 d8 64 89 01 48
[ 43.909779][ T5069] RSP: 002b:00007ffd576b1698 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 43.918211][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73b3cddb19
[ 43.926201][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 43.934189][ T5069] RBP: 00007f73b3ca1cc0 R08: 0000000000000000 R09: 0000000000000000
[ 43.942180][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73b3ca1d50
[ 43.950144][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 43.958142][ T5069]
[ 43.961838][ T5069] Kernel Offset: disabled
[ 43.966220][ T5069] Rebooting in 86400 seconds..