./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2475427622
<...>
DUID 00:04:22:6a:1f:62:54:25:21:a9:cf:52:ab:bd:c7:70:d9:1c
forked to background, child pid 4647
[ 34.313741][ T4648] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.336574][ T4648] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts.
execve("./syz-executor2475427622", ["./syz-executor2475427622"], 0x7fff64c838f0 /* 10 vars */) = 0
brk(NULL) = 0x555557342000
brk(0x555557342c40) = 0x555557342c40
arch_prctl(ARCH_SET_FS, 0x555557342300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2475427622", 4096) = 28
brk(0x555557363c40) = 0x555557363c40
brk(0x555557364000) = 0x555557364000
mprotect(0x7f543dedf000, 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: [ 54.051282][ T5071] ------------[ cut here ]------------
[ 54.056900][ T5071] WARNING: CPU: 0 PID: 5071 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 54.066016][ T5071] Modules linked in:
[ 54.070035][ T5071] CPU: 1 PID: 5071 Comm: syz-executor247 Not tainted 6.1.0-syzkaller-04313-g40cab44b9089 #0
[ 54.080240][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.090339][ T5071] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 54.096535][ T5071] 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
[ 54.116412][ T5071] RSP: 0018:ffffc90003c5f830 EFLAGS: 00010293
[ 54.122575][ T5071] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.130899][ T5071] RDX: ffff888029f33a80 RSI: ffffffff8409675e RDI: 0000000000000001
[ 54.138976][ T5071] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.146977][ T5071] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c5fd00
[ 54.155050][ T5071] R13: ffffc90003c5fd00 R14: ffff888025bb5680 R15: 0000000000000000
[ 54.163135][ T5071] FS: 0000555557342300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 54.172291][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.179087][ T5071] CR2: 000000000061cca0 CR3: 000000007f6df000 CR4: 00000000003506e0
[ 54.187249][ T5071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.195321][ T5071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.203487][ T5071] Call Trace:
[ 54.206772][ T5071]
[ 54.209790][ T5071] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 54.215634][ T5071] ? memset+0x24/0x50
[ 54.219811][ T5071] ? __build_skb_around+0x276/0x3a0
[ 54.225038][ T5071] ? __alloc_skb+0x185/0x310
[ 54.229686][ T5071] ? __check_object_size+0x31/0x5a0
[ 54.234912][ T5071] tipc_msg_build+0x2d4/0x10a0
[ 54.239913][ T5071] ? tipc_msg_assemble+0x510/0x510
[ 54.245050][ T5071] ? __tipc_node_link_down+0x1540/0x1540
[ 54.250734][ T5071] ? __local_bh_enable_ip+0xa4/0x130
[ 54.256086][ T5071] __tipc_sendmsg+0xada/0x1870
[ 54.261045][ T5071] ? tipc_sendmcast+0xe60/0xe60
[ 54.265927][ T5071] ? __init_waitqueue_head+0x150/0x150
[ 54.271679][ T5071] ? mark_held_locks+0x9f/0xe0
[ 54.276447][ T5071] ? __local_bh_enable_ip+0xa4/0x130
[ 54.281790][ T5071] tipc_connect+0x57b/0x6b0
[ 54.286317][ T5071] ? tipc_sendmsg+0x70/0x70
[ 54.290919][ T5071] ? bpf_lsm_socket_connect+0x9/0x10
[ 54.296250][ T5071] ? tipc_sendmsg+0x70/0x70
[ 54.300833][ T5071] __sys_connect_file+0x153/0x1a0
[ 54.305890][ T5071] __sys_connect+0x165/0x1a0
[ 54.310550][ T5071] ? __sys_connect_file+0x1a0/0x1a0
[ 54.315787][ T5071] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.321054][ T5071] ? lockdep_hardirqs_on+0x7d/0x100
[ 54.326311][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.331590][ T5071] __x64_sys_connect+0x73/0xb0
[ 54.336395][ T5071] do_syscall_64+0x39/0xb0
[ 54.340878][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.346806][ T5071] RIP: 0033:0x7f543de72b19
[ 54.351274][ T5071] 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
[ 54.370952][ T5071] RSP: 002b:00007ffecb993b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 54.379570][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f543de72b19
[ 54.387581][ T5071] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003
[ 54.395728][ T5071] RBP: 00007f543de36cc0 R08: 0000000000000000 R09: 0000000000000000
[ 54.403751][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f543de36d50
[ 54.411767][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 54.419805][ T5071]
[ 54.422861][ T5071] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.430127][ T5071] CPU: 1 PID: 5071 Comm: syz-executor247 Not tainted 6.1.0-syzkaller-04313-g40cab44b9089 #0
[ 54.440281][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 54.450410][ T5071] Call Trace:
[ 54.453687][ T5071]
[ 54.456610][ T5071] dump_stack_lvl+0xd1/0x138
[ 54.461206][ T5071] panic+0x2cc/0x626
[ 54.465099][ T5071] ? panic_print_sys_info.part.0+0x110/0x110
[ 54.471417][ T5071] ? _copy_from_iter+0x2ae/0xf40
[ 54.476354][ T5071] check_panic_on_warn.cold+0x19/0x35
[ 54.481726][ T5071] __warn+0xf2/0x1a0
[ 54.485627][ T5071] ? _copy_from_iter+0x2ae/0xf40
[ 54.490558][ T5071] report_bug+0x1c0/0x210
[ 54.494883][ T5071] handle_bug+0x3c/0x70
[ 54.499035][ T5071] exc_invalid_op+0x18/0x50
[ 54.503533][ T5071] asm_exc_invalid_op+0x1a/0x20
[ 54.508391][ T5071] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 54.513962][ T5071] 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
[ 54.533574][ T5071] RSP: 0018:ffffc90003c5f830 EFLAGS: 00010293
[ 54.539657][ T5071] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.547639][ T5071] RDX: ffff888029f33a80 RSI: ffffffff8409675e RDI: 0000000000000001
[ 54.555617][ T5071] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.563593][ T5071] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c5fd00
[ 54.571575][ T5071] R13: ffffc90003c5fd00 R14: ffff888025bb5680 R15: 0000000000000000
[ 54.579567][ T5071] ? _copy_from_iter+0x2ae/0xf40
[ 54.584542][ T5071] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 54.590362][ T5071] ? memset+0x24/0x50
[ 54.594365][ T5071] ? __build_skb_around+0x276/0x3a0
[ 54.599595][ T5071] ? __alloc_skb+0x185/0x310
[ 54.604213][ T5071] ? __check_object_size+0x31/0x5a0
[ 54.609449][ T5071] tipc_msg_build+0x2d4/0x10a0
[ 54.614248][ T5071] ? tipc_msg_assemble+0x510/0x510
[ 54.619468][ T5071] ? __tipc_node_link_down+0x1540/0x1540
[ 54.625126][ T5071] ? __local_bh_enable_ip+0xa4/0x130
[ 54.630443][ T5071] __tipc_sendmsg+0xada/0x1870
[ 54.635345][ T5071] ? tipc_sendmcast+0xe60/0xe60
[ 54.640234][ T5071] ? __init_waitqueue_head+0x150/0x150
[ 54.645733][ T5071] ? mark_held_locks+0x9f/0xe0
[ 54.650567][ T5071] ? __local_bh_enable_ip+0xa4/0x130
[ 54.655889][ T5071] tipc_connect+0x57b/0x6b0
[ 54.660448][ T5071] ? tipc_sendmsg+0x70/0x70
[ 54.665018][ T5071] ? bpf_lsm_socket_connect+0x9/0x10
[ 54.670444][ T5071] ? tipc_sendmsg+0x70/0x70
[ 54.674995][ T5071] __sys_connect_file+0x153/0x1a0
[ 54.680160][ T5071] __sys_connect+0x165/0x1a0
[ 54.685139][ T5071] ? __sys_connect_file+0x1a0/0x1a0
[ 54.690387][ T5071] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.695787][ T5071] ? lockdep_hardirqs_on+0x7d/0x100
[ 54.701024][ T5071] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.706244][ T5071] __x64_sys_connect+0x73/0xb0
[ 54.711037][ T5071] do_syscall_64+0x39/0xb0
[ 54.715480][ T5071] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.721403][ T5071] RIP: 0033:0x7f543de72b19
[ 54.725840][ T5071] 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
[ 54.745486][ T5071] RSP: 002b:00007ffecb993b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 54.753946][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f543de72b19
[ 54.762040][ T5071] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003
[ 54.770043][ T5071] RBP: 00007f543de36cc0 R08: 0000000000000000 R09: 0000000000000000
[ 54.778055][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f543de36d50
[ 54.786053][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 54.795414][ T5071]
[ 54.798634][ T5071] Kernel Offset: disabled
[ 54.803132][ T5071] Rebooting in 86400 seconds..