./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor750327486
<...>
DUID 00:04:87:04:3c:41:30:05:a7:f7:d5:81:12:9d:2d:df:74:1f
forked to background, child pid 4645
[ 34.676052][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.711670][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts.
execve("./syz-executor750327486", ["./syz-executor750327486"], 0x7fff7d5880f0 /* 10 vars */) = 0
brk(NULL) = 0x555555804000
brk(0x555555804c40) = 0x555555804c40
arch_prctl(ARCH_SET_FS, 0x555555804300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor750327486", 4096) = 27
brk(0x555555825c40) = 0x555555825c40
brk(0x555555826000) = 0x555555826000
mprotect(0x7f11299ac000, 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: [ 54.794101][ T5077] ------------[ cut here ]------------
[ 54.799801][ T5077] WARNING: CPU: 0 PID: 5077 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 54.809051][ T5077] Modules linked in:
[ 54.812947][ T5077] CPU: 0 PID: 5077 Comm: syz-executor750 Not tainted 6.1.0-syzkaller-04313-g40cab44b9089 #0
[ 54.823249][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.833343][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 54.838916][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d ea 77 fd be 79 02 00 00 48 c7 c7 60 61 a6 8a e8 1c 10 b1 fd e9 55 fe ff ff e8 82 ea 77 fd <0f> 0b 45 31 ff eb 8b e8 76 ea 77 fd 31 ff 89 ee e8 dd e6 77 fd 40
[ 54.859381][ T5077] RSP: 0018:ffffc90003daf830 EFLAGS: 00010293
[ 54.865583][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.873875][ T5077] RDX: ffff88807a389d40 RSI: ffffffff8409675e RDI: 0000000000000001
[ 54.881871][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.889914][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003dafd00
[ 54.897949][ T5077] R13: ffffc90003dafd00 R14: ffff88807a62ac80 R15: 0000000000000000
[ 54.906003][ T5077] FS: 0000555555804300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 54.914999][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.921604][ T5077] CR2: 000000000045ad50 CR3: 000000001ca46000 CR4: 00000000003506f0
[ 54.929623][ T5077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.937682][ T5077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.945710][ T5077] Call Trace:
[ 54.949001][ T5077]
[ 54.951963][ T5077] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 54.957844][ T5077] ? memset+0x24/0x50
[ 54.961849][ T5077] ? __build_skb_around+0x276/0x3a0
[ 54.967108][ T5077] ? __alloc_skb+0x185/0x310
[ 54.971741][ T5077] ? __check_object_size+0x31/0x5a0
[ 54.977060][ T5077] tipc_msg_build+0x2d4/0x10a0
[ 54.981866][ T5077] ? tipc_msg_assemble+0x510/0x510
[ 54.987305][ T5077] ? __tipc_node_link_down+0x1540/0x1540
[ 54.993035][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 54.998443][ T5077] __tipc_sendmsg+0xada/0x1870
[ 55.003308][ T5077] ? tipc_sendmcast+0xe60/0xe60
[ 55.008194][ T5077] ? __init_waitqueue_head+0x150/0x150
[ 55.013728][ T5077] ? mark_held_locks+0x9f/0xe0
[ 55.018521][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 55.023999][ T5077] tipc_connect+0x57b/0x6b0
[ 55.028530][ T5077] ? tipc_sendmsg+0x70/0x70
[ 55.033118][ T5077] ? bpf_lsm_socket_connect+0x9/0x10
[ 55.038438][ T5077] ? tipc_sendmsg+0x70/0x70
[ 55.042956][ T5077] __sys_connect_file+0x153/0x1a0
[ 55.048097][ T5077] __sys_connect+0x165/0x1a0
[ 55.052698][ T5077] ? __sys_connect_file+0x1a0/0x1a0
[ 55.058144][ T5077] ? _raw_spin_unlock_irq+0x23/0x50
[ 55.063441][ T5077] ? lockdep_hardirqs_on+0x7d/0x100
[ 55.068639][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50
[ 55.074299][ T5077] __x64_sys_connect+0x73/0xb0
[ 55.079194][ T5077] do_syscall_64+0x39/0xb0
[ 55.083732][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.089677][ T5077] RIP: 0033:0x7f112993fb19
[ 55.094345][ T5077] 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
[ 55.114065][ T5077] RSP: 002b:00007ffd1d5da9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 55.122504][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f112993fb19
[ 55.130544][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 55.138610][ T5077] RBP: 00007f1129903cc0 R08: 0000000000000000 R09: 0000000000000000
[ 55.146763][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1129903d50
[ 55.154913][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 55.163044][ T5077]
[ 55.166104][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 55.173476][ T5077] CPU: 0 PID: 5077 Comm: syz-executor750 Not tainted 6.1.0-syzkaller-04313-g40cab44b9089 #0
[ 55.183654][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 55.193886][ T5077] Call Trace:
[ 55.197157][ T5077]
[ 55.200092][ T5077] dump_stack_lvl+0xd1/0x138
[ 55.204730][ T5077] panic+0x2cc/0x626
[ 55.208644][ T5077] ? panic_print_sys_info.part.0+0x110/0x110
[ 55.214652][ T5077] ? _copy_from_iter+0x2ae/0xf40
[ 55.219592][ T5077] check_panic_on_warn.cold+0x19/0x35
[ 55.224982][ T5077] __warn+0xf2/0x1a0
[ 55.228903][ T5077] ? _copy_from_iter+0x2ae/0xf40
[ 55.233869][ T5077] report_bug+0x1c0/0x210
[ 55.238250][ T5077] handle_bug+0x3c/0x70
[ 55.242463][ T5077] exc_invalid_op+0x18/0x50
[ 55.247019][ T5077] asm_exc_invalid_op+0x1a/0x20
[ 55.251956][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 55.257544][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d ea 77 fd be 79 02 00 00 48 c7 c7 60 61 a6 8a e8 1c 10 b1 fd e9 55 fe ff ff e8 82 ea 77 fd <0f> 0b 45 31 ff eb 8b e8 76 ea 77 fd 31 ff 89 ee e8 dd e6 77 fd 40
[ 55.277255][ T5077] RSP: 0018:ffffc90003daf830 EFLAGS: 00010293
[ 55.283338][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 55.291319][ T5077] RDX: ffff88807a389d40 RSI: ffffffff8409675e RDI: 0000000000000001
[ 55.299475][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 55.307489][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003dafd00
[ 55.315495][ T5077] R13: ffffc90003dafd00 R14: ffff88807a62ac80 R15: 0000000000000000
[ 55.323498][ T5077] ? _copy_from_iter+0x2ae/0xf40
[ 55.328475][ T5077] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 55.334299][ T5077] ? memset+0x24/0x50
[ 55.338308][ T5077] ? __build_skb_around+0x276/0x3a0
[ 55.343532][ T5077] ? __alloc_skb+0x185/0x310
[ 55.348147][ T5077] ? __check_object_size+0x31/0x5a0
[ 55.353384][ T5077] tipc_msg_build+0x2d4/0x10a0
[ 55.358280][ T5077] ? tipc_msg_assemble+0x510/0x510
[ 55.363419][ T5077] ? __tipc_node_link_down+0x1540/0x1540
[ 55.369077][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 55.374393][ T5077] __tipc_sendmsg+0xada/0x1870
[ 55.379199][ T5077] ? tipc_sendmcast+0xe60/0xe60
[ 55.384087][ T5077] ? __init_waitqueue_head+0x150/0x150
[ 55.389588][ T5077] ? mark_held_locks+0x9f/0xe0
[ 55.394373][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 55.399709][ T5077] tipc_connect+0x57b/0x6b0
[ 55.404955][ T5077] ? tipc_sendmsg+0x70/0x70
[ 55.409538][ T5077] ? bpf_lsm_socket_connect+0x9/0x10
[ 55.415003][ T5077] ? tipc_sendmsg+0x70/0x70
[ 55.419568][ T5077] __sys_connect_file+0x153/0x1a0
[ 55.424643][ T5077] __sys_connect+0x165/0x1a0
[ 55.429363][ T5077] ? __sys_connect_file+0x1a0/0x1a0
[ 55.434601][ T5077] ? _raw_spin_unlock_irq+0x23/0x50
[ 55.439841][ T5077] ? lockdep_hardirqs_on+0x7d/0x100
[ 55.445161][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50
[ 55.450424][ T5077] __x64_sys_connect+0x73/0xb0
[ 55.455229][ T5077] do_syscall_64+0x39/0xb0
[ 55.459673][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.465628][ T5077] RIP: 0033:0x7f112993fb19
[ 55.470075][ T5077] 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
[ 55.489759][ T5077] RSP: 002b:00007ffd1d5da9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 55.498456][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f112993fb19
[ 55.506445][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 55.514466][ T5077] RBP: 00007f1129903cc0 R08: 0000000000000000 R09: 0000000000000000
[ 55.522470][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1129903d50
[ 55.530458][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 55.538552][ T5077]
[ 55.541746][ T5077] Kernel Offset: disabled
[ 55.546145][ T5077] Rebooting in 86400 seconds..