./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2566892580 <...> Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. execve("./syz-executor2566892580", ["./syz-executor2566892580"], 0x7ffc7fdd5820 /* 10 vars */) = 0 brk(NULL) = 0x555556c0d000 brk(0x555556c0dc40) = 0x555556c0dc40 arch_prctl(ARCH_SET_FS, 0x555556c0d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2566892580", 4096) = 28 brk(0x555556c2ec40) = 0x555556c2ec40 brk(0x555556c2f000) = 0x555556c2f000 mprotect(0x7fb43d0ba000, 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 [ 54.388869][ T5073] ------------[ cut here ]------------ [ 54.394499][ T5073] WARNING: CPU: 0 PID: 5073 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40 [ 54.403365][ T5073] Modules linked in: [ 54.407497][ T5073] CPU: 0 PID: 5073 Comm: syz-executor256 Not tainted 6.1.0-syzkaller-11778-gc183e6c3ec34 #0 [ 54.417720][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.427873][ T5073] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 54.433423][ T5073] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 fd 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 e2 ea 77 fd <0f> 0b 45 31 ff eb 8b e8 d6 ea 77 fd 31 ff 89 ee e8 3d e7 77 fd 40 [ 54.453141][ T5073] RSP: 0018:ffffc90003bdf830 EFLAGS: 00010293 [ 54.459309][ T5073] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.467332][ T5073] RDX: ffff88807ae2d7c0 RSI: ffffffff840966fe RDI: 0000000000000001 [ 54.475376][ T5073] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 54.483360][ T5073] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003bdfd00 [ 54.491375][ T5073] R13: ffffc90003bdfd00 R14: ffff88802b90e780 R15: 0000000000000000 [ 54.499421][ T5073] FS: 0000555556c0d300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 54.508425][ T5073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.515046][ T5073] CR2: 00007fb43d094fb8 CR3: 000000001d2ff000 CR4: 00000000003506e0 [ 54.523013][ T5073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.531024][ T5073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.539172][ T5073] Call Trace: [ 54.542445][ T5073] [ 54.545422][ T5073] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 54.551257][ T5073] ? memset+0x24/0x50 [ 54.555292][ T5073] ? __build_skb_around+0x276/0x3a0 [ 54.560521][ T5073] ? __alloc_skb+0x185/0x310 [ 54.565504][ T5073] ? __check_object_size+0x31/0x5a0 [ 54.570721][ T5073] tipc_msg_build+0x2d4/0x10a0 [ 54.575620][ T5073] ? tipc_msg_assemble+0x510/0x510 [ 54.580766][ T5073] ? __tipc_node_link_down+0x1540/0x1540 [ 54.586453][ T5073] ? __local_bh_enable_ip+0xa4/0x130 [ 54.591773][ T5073] __tipc_sendmsg+0xada/0x1870 [ 54.596603][ T5073] ? tipc_sendmcast+0xe60/0xe60 [ 54.601489][ T5073] ? __init_waitqueue_head+0x150/0x150 [ 54.607015][ T5073] ? mark_held_locks+0x9f/0xe0 [ 54.611803][ T5073] ? __local_bh_enable_ip+0xa4/0x130 [ 54.617168][ T5073] tipc_connect+0x57b/0x6b0 [ 54.621713][ T5073] ? tipc_sendmsg+0x70/0x70 [ 54.626375][ T5073] ? bpf_lsm_socket_connect+0x9/0x10 [ 54.631714][ T5073] ? tipc_sendmsg+0x70/0x70 [ 54.636288][ T5073] __sys_connect_file+0x153/0x1a0 [ 54.641346][ T5073] __sys_connect+0x165/0x1a0 [ 54.645997][ T5073] ? __sys_connect_file+0x1a0/0x1a0 [ 54.651231][ T5073] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.656476][ T5073] ? lockdep_hardirqs_on+0x7d/0x100 [ 54.661713][ T5073] ? _raw_spin_unlock_irq+0x2e/0x50 [ 54.666967][ T5073] __x64_sys_connect+0x73/0xb0 [ 54.671810][ T5073] do_syscall_64+0x39/0xb0 [ 54.676298][ T5073] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.682226][ T5073] RIP: 0033:0x7fb43d04db19 [ 54.686717][ T5073] 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 [ 54.706379][ T5073] RSP: 002b:00007ffe5582bb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 54.714927][ T5073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb43d04db19 [ 54.722921][ T5073] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003 [ 54.731002][ T5073] RBP: 00007fb43d011cc0 R08: 0000000000000000 R09: 0000000000000000 [ 54.739022][ T5073] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb43d011d50 [ 54.747067][ T5073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.755131][ T5073] [ 54.758168][ T5073] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.765437][ T5073] CPU: 1 PID: 5073 Comm: syz-executor256 Not tainted 6.1.0-syzkaller-11778-gc183e6c3ec34 #0 [ 54.775494][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.785543][ T5073] Call Trace: [ 54.788818][ T5073] [ 54.791744][ T5073] dump_stack_lvl+0xd1/0x138 [ 54.796414][ T5073] panic+0x2cc/0x626 [ 54.800320][ T5073] ? panic_print_sys_info.part.0+0x110/0x110 [ 54.806321][ T5073] ? _copy_from_iter+0x2ae/0xf40 [ 54.811270][ T5073] check_panic_on_warn.cold+0x19/0x35 [ 54.816666][ T5073] __warn+0xf2/0x1a0 [ 54.820582][ T5073] ? _copy_from_iter+0x2ae/0xf40 [ 54.825541][ T5073] report_bug+0x1c0/0x210 [ 54.829915][ T5073] handle_bug+0x3c/0x70 [ 54.834082][ T5073] exc_invalid_op+0x18/0x50 [ 54.838595][ T5073] asm_exc_invalid_op+0x1a/0x20 [ 54.843457][ T5073] RIP: 0010:_copy_from_iter+0x2ae/0xf40 [ 54.849046][ T5073] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 fd 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 e2 ea 77 fd <0f> 0b 45 31 ff eb 8b e8 d6 ea 77 fd 31 ff 89 ee e8 3d e7 77 fd 40 [ 54.868746][ T5073] RSP: 0018:ffffc90003bdf830 EFLAGS: 00010293 [ 54.874808][ T5073] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.882793][ T5073] RDX: ffff88807ae2d7c0 RSI: ffffffff840966fe RDI: 0000000000000001 [ 54.890783][ T5073] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 54.898746][ T5073] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003bdfd00 [ 54.906718][ T5073] R13: ffffc90003bdfd00 R14: ffff88802b90e780 R15: 0000000000000000 [ 54.914715][ T5073] ? _copy_from_iter+0x2ae/0xf40 [ 54.919688][ T5073] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 54.925515][ T5073] ? memset+0x24/0x50 [ 54.929524][ T5073] ? __build_skb_around+0x276/0x3a0 [ 54.934751][ T5073] ? __alloc_skb+0x185/0x310 [ 54.939368][ T5073] ? __check_object_size+0x31/0x5a0 [ 54.944594][ T5073] tipc_msg_build+0x2d4/0x10a0 [ 54.949401][ T5073] ? tipc_msg_assemble+0x510/0x510 [ 54.954546][ T5073] ? __tipc_node_link_down+0x1540/0x1540 [ 54.960210][ T5073] ? __local_bh_enable_ip+0xa4/0x130 [ 54.965537][ T5073] __tipc_sendmsg+0xada/0x1870 [ 54.970335][ T5073] ? tipc_sendmcast+0xe60/0xe60 [ 54.975221][ T5073] ? __init_waitqueue_head+0x150/0x150 [ 54.980723][ T5073] ? mark_held_locks+0x9f/0xe0 [ 54.985506][ T5073] ? __local_bh_enable_ip+0xa4/0x130 [ 54.990816][ T5073] tipc_connect+0x57b/0x6b0 [ 54.995345][ T5073] ? tipc_sendmsg+0x70/0x70 [ 54.999894][ T5073] ? bpf_lsm_socket_connect+0x9/0x10 [ 55.005212][ T5073] ? tipc_sendmsg+0x70/0x70 [ 55.009772][ T5073] __sys_connect_file+0x153/0x1a0 [ 55.014825][ T5073] __sys_connect+0x165/0x1a0 [ 55.019444][ T5073] ? __sys_connect_file+0x1a0/0x1a0 [ 55.024677][ T5073] ? _raw_spin_unlock_irq+0x23/0x50 [ 55.029900][ T5073] ? lockdep_hardirqs_on+0x7d/0x100 [ 55.035127][ T5073] ? _raw_spin_unlock_irq+0x2e/0x50 [ 55.040348][ T5073] __x64_sys_connect+0x73/0xb0 [ 55.045228][ T5073] do_syscall_64+0x39/0xb0 [ 55.049669][ T5073] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.055595][ T5073] RIP: 0033:0x7fb43d04db19 [ 55.060025][ T5073] 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 [ 55.079654][ T5073] RSP: 002b:00007ffe5582bb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 55.088084][ T5073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb43d04db19 [ 55.096067][ T5073] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000003 [ 55.104051][ T5073] RBP: 00007fb43d011cc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.112047][ T5073] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb43d011d50 [ 55.120030][ T5073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.128028][ T5073] [ 55.131210][ T5073] Kernel Offset: disabled [ 55.135609][ T5073] Rebooting in 86400 seconds..