./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3712940988 <...> Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. execve("./syz-executor3712940988", ["./syz-executor3712940988"], 0x7ffca9dee0f0 /* 10 vars */) = 0 brk(NULL) = 0x555557073000 brk(0x555557073c40) = 0x555557073c40 arch_prctl(ARCH_SET_FS, 0x555557073300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3712940988", 4096) = 28 brk(0x555557094c40) = 0x555557094c40 brk(0x555557095000) = 0x555557095000 mprotect(0x7fac68f5b000, 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 [ 129.055227][ T5086] ------------[ cut here ]------------ [ 129.060996][ T5086] WARNING: CPU: 0 PID: 5086 at lib/iov_iter.c:629 _copy_from_iter+0x2ed/0xf70 [ 129.070301][ T5086] Modules linked in: [ 129.074219][ T5086] CPU: 0 PID: 5086 Comm: syz-executor371 Not tainted 6.1.0-rc8-next-20221207-syzkaller #0 [ 129.084186][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 129.094399][ T5086] RIP: 0010:_copy_from_iter+0x2ed/0xf70 [ 129.099999][ T5086] Code: 77 fd 44 89 fb e9 33 ff ff ff e8 be 34 77 fd be 79 02 00 00 48 c7 c7 e0 59 a6 8a e8 fd 6f b0 fd e9 17 fe ff ff e8 a3 34 77 fd <0f> 0b 45 31 ff e9 7b ff ff ff e8 94 34 77 fd 31 ff 89 ee e8 fb 30 [ 129.119947][ T5086] RSP: 0018:ffffc90003e1f828 EFLAGS: 00010293 [ 129.126014][ T5086] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 129.134129][ T5086] RDX: ffff888026548000 RSI: ffffffff840a6e5d RDI: 0000000000000001 [ 129.142232][ T5086] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 129.150320][ T5086] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003e1fd00 [ 129.158471][ T5086] R13: ffff888079c498f8 R14: ffffc90003e1fd00 R15: 0000000000000000 [ 129.166487][ T5086] FS: 0000555557073300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 129.175570][ T5086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.182230][ T5086] CR2: 000000000045b630 CR3: 000000007d92a000 CR4: 00000000003506f0 [ 129.190258][ T5086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 129.198330][ T5086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 129.206296][ T5086] Call Trace: [ 129.209623][ T5086] [ 129.212616][ T5086] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 129.218497][ T5086] ? memset+0x24/0x50 [ 129.222505][ T5086] ? __build_skb_around+0x274/0x340 [ 129.227709][ T5086] ? __alloc_skb+0x185/0x310 [ 129.232448][ T5086] ? __check_object_size+0x31/0x5a0 [ 129.237702][ T5086] tipc_msg_build+0x2d4/0x10a0 [ 129.242652][ T5086] ? tipc_msg_assemble+0x510/0x510 [ 129.247811][ T5086] ? __tipc_node_link_down+0x1540/0x1540 [ 129.253600][ T5086] ? __local_bh_enable_ip+0xa4/0x130 [ 129.258991][ T5086] __tipc_sendmsg+0xada/0x1870 [ 129.263764][ T5086] ? tipc_sendmcast+0xe60/0xe60 [ 129.269020][ T5086] ? __init_waitqueue_head+0x150/0x150 [ 129.274542][ T5086] ? mark_held_locks+0x9f/0xe0 [ 129.279442][ T5086] ? __local_bh_enable_ip+0xa4/0x130 [ 129.284773][ T5086] tipc_connect+0x57b/0x6b0 [ 129.289625][ T5086] ? tipc_sendmsg+0x70/0x70 [ 129.294165][ T5086] ? lock_downgrade+0x6e0/0x6e0 [ 129.299106][ T5086] ? bpf_lsm_socket_connect+0x9/0x10 [ 129.304439][ T5086] ? tipc_sendmsg+0x70/0x70 [ 129.309040][ T5086] __sys_connect_file+0x153/0x1a0 [ 129.314130][ T5086] __sys_connect+0x165/0x1a0 [ 129.318875][ T5086] ? __sys_connect_file+0x1a0/0x1a0 [ 129.324934][ T5086] ? _raw_spin_unlock_irq+0x23/0x50 [ 129.330215][ T5086] ? lockdep_hardirqs_on+0x7d/0x100 [ 129.335447][ T5086] ? _raw_spin_unlock_irq+0x2e/0x50 [ 129.340742][ T5086] __x64_sys_connect+0x73/0xb0 [ 129.345572][ T5086] do_syscall_64+0x39/0xb0 [ 129.350051][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.355981][ T5086] RIP: 0033:0x7fac68eeeb19 [ 129.360474][ T5086] 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 [ 129.380271][ T5086] RSP: 002b:00007ffe4214d778 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 129.388992][ T5086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac68eeeb19 [ 129.397012][ T5086] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 129.405057][ T5086] RBP: 00007fac68eb2cc0 R08: 0000000000000000 R09: 0000000000000000 [ 129.413120][ T5086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac68eb2d50 [ 129.421202][ T5086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 129.429443][ T5086] [ 129.432998][ T5086] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 129.440965][ T5086] CPU: 0 PID: 5086 Comm: syz-executor371 Not tainted 6.1.0-rc8-next-20221207-syzkaller #0 [ 129.450848][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 129.460894][ T5086] Call Trace: [ 129.464164][ T5086] [ 129.467085][ T5086] dump_stack_lvl+0xd1/0x138 [ 129.471674][ T5086] panic+0x2cc/0x626 [ 129.475653][ T5086] ? panic_print_sys_info.part.0+0x110/0x110 [ 129.481652][ T5086] ? _copy_from_iter+0x2ed/0xf70 [ 129.486674][ T5086] check_panic_on_warn.cold+0x19/0x35 [ 129.492043][ T5086] __warn+0xf2/0x1a0 [ 129.495941][ T5086] ? _copy_from_iter+0x2ed/0xf70 [ 129.500885][ T5086] report_bug+0x1c0/0x210 [ 129.505392][ T5086] handle_bug+0x3c/0x70 [ 129.509557][ T5086] exc_invalid_op+0x18/0x50 [ 129.514084][ T5086] asm_exc_invalid_op+0x1a/0x20 [ 129.518935][ T5086] RIP: 0010:_copy_from_iter+0x2ed/0xf70 [ 129.524476][ T5086] Code: 77 fd 44 89 fb e9 33 ff ff ff e8 be 34 77 fd be 79 02 00 00 48 c7 c7 e0 59 a6 8a e8 fd 6f b0 fd e9 17 fe ff ff e8 a3 34 77 fd <0f> 0b 45 31 ff e9 7b ff ff ff e8 94 34 77 fd 31 ff 89 ee e8 fb 30 [ 129.544086][ T5086] RSP: 0018:ffffc90003e1f828 EFLAGS: 00010293 [ 129.550348][ T5086] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 129.558500][ T5086] RDX: ffff888026548000 RSI: ffffffff840a6e5d RDI: 0000000000000001 [ 129.566479][ T5086] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 129.574459][ T5086] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003e1fd00 [ 129.582525][ T5086] R13: ffff888079c498f8 R14: ffffc90003e1fd00 R15: 0000000000000000 [ 129.590518][ T5086] ? _copy_from_iter+0x2ed/0xf70 [ 129.595486][ T5086] ? _copy_from_iter+0x2ed/0xf70 [ 129.600447][ T5086] ? csum_and_copy_from_iter+0x12e0/0x12e0 [ 129.606272][ T5086] ? memset+0x24/0x50 [ 129.610276][ T5086] ? __build_skb_around+0x274/0x340 [ 129.615507][ T5086] ? __alloc_skb+0x185/0x310 [ 129.620123][ T5086] ? __check_object_size+0x31/0x5a0 [ 129.625348][ T5086] tipc_msg_build+0x2d4/0x10a0 [ 129.630149][ T5086] ? tipc_msg_assemble+0x510/0x510 [ 129.635283][ T5086] ? __tipc_node_link_down+0x1540/0x1540 [ 129.641217][ T5086] ? __local_bh_enable_ip+0xa4/0x130 [ 129.646541][ T5086] __tipc_sendmsg+0xada/0x1870 [ 129.651426][ T5086] ? tipc_sendmcast+0xe60/0xe60 [ 129.656483][ T5086] ? __init_waitqueue_head+0x150/0x150 [ 129.662067][ T5086] ? mark_held_locks+0x9f/0xe0 [ 129.666850][ T5086] ? __local_bh_enable_ip+0xa4/0x130 [ 129.672155][ T5086] tipc_connect+0x57b/0x6b0 [ 129.676679][ T5086] ? tipc_sendmsg+0x70/0x70 [ 129.681292][ T5086] ? lock_downgrade+0x6e0/0x6e0 [ 129.686266][ T5086] ? bpf_lsm_socket_connect+0x9/0x10 [ 129.691593][ T5086] ? tipc_sendmsg+0x70/0x70 [ 129.696120][ T5086] __sys_connect_file+0x153/0x1a0 [ 129.701171][ T5086] __sys_connect+0x165/0x1a0 [ 129.705785][ T5086] ? __sys_connect_file+0x1a0/0x1a0 [ 129.711102][ T5086] ? _raw_spin_unlock_irq+0x23/0x50 [ 129.716337][ T5086] ? lockdep_hardirqs_on+0x7d/0x100 [ 129.721562][ T5086] ? _raw_spin_unlock_irq+0x2e/0x50 [ 129.726917][ T5086] __x64_sys_connect+0x73/0xb0 [ 129.731706][ T5086] do_syscall_64+0x39/0xb0 [ 129.736143][ T5086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 129.742065][ T5086] RIP: 0033:0x7fac68eeeb19 [ 129.746529][ T5086] 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 [ 129.766157][ T5086] RSP: 002b:00007ffe4214d778 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 129.774587][ T5086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac68eeeb19 [ 129.782568][ T5086] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 129.790550][ T5086] RBP: 00007fac68eb2cc0 R08: 0000000000000000 R09: 0000000000000000 [ 129.798880][ T5086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac68eb2d50 [ 129.806861][ T5086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 129.814859][ T5086] [ 129.818209][ T5086] Kernel Offset: disabled [ 129.822601][ T5086] Rebooting in 86400 seconds..