./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1443247538 <...> forked to background, child pid 4652 no interfaces have a carrier [ 34.475789][ T4653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.501452][ T4653] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. execve("./syz-executor1443247538", ["./syz-executor1443247538"], 0x7fff4bc2bde0 /* 10 vars */) = 0 brk(NULL) = 0x555557539000 brk(0x555557539c40) = 0x555557539c40 arch_prctl(ARCH_SET_FS, 0x555557539300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1443247538", 4096) = 28 brk(0x55555755ac40) = 0x55555755ac40 brk(0x55555755b000) = 0x55555755b000 mprotect(0x7fe945966000, 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: [ 61.196939][ T5077] ------------[ cut here ]------------ [ 61.202620][ T5077] WARNING: CPU: 1 PID: 5077 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0x1060 [ 61.212435][ T5077] Modules linked in: [ 61.216352][ T5077] CPU: 1 PID: 5077 Comm: syz-executor144 Not tainted 6.2.0-rc5-next-20230123-syzkaller #0 [ 61.226533][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 61.236765][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0x1060 [ 61.242562][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 dd 20 7a fd be 79 02 00 00 48 c7 c7 20 7d a6 8a e8 ac 97 b3 fd e9 55 fe ff ff e8 c2 20 7a fd <0f> 0b 45 31 ff eb 8b e8 b6 20 7a fd 31 ff 89 ee e8 1d 1d 7a fd 40 [ 61.262308][ T5077] RSP: 0018:ffffc90003b3f808 EFLAGS: 00010293 [ 61.268397][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.276688][ T5077] RDX: ffff88801c038000 RSI: ffffffff8407cd6e RDI: 0000000000000001 [ 61.284729][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 61.293961][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b3fd00 [ 61.301971][ T5077] R13: ffffc90003b3fd00 R14: ffff88807e38cc80 R15: 0000000000000000 [ 61.309994][ T5077] FS: 0000555557539300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.319014][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.325836][ T5077] CR2: 000000000064392c CR3: 0000000027d60000 CR4: 00000000003506f0 [ 61.333860][ T5077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.341876][ T5077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.349885][ T5077] Call Trace: [ 61.353165][ T5077] [ 61.356097][ T5077] ? _copy_mc_to_iter+0x1350/0x1350 [ 61.361345][ T5077] ? __build_skb_around+0x276/0x3a0 [ 61.366569][ T5077] ? __alloc_skb+0x185/0x310 [ 61.371229][ T5077] ? __check_object_size+0x31/0x5a0 [ 61.376457][ T5077] tipc_msg_build+0x2d4/0x10a0 [ 61.381471][ T5077] ? tipc_msg_assemble+0x510/0x510 [ 61.386601][ T5077] ? tipc_node_find_by_name+0x420/0x420 [ 61.392221][ T5077] ? __local_bh_enable_ip+0xa4/0x130 [ 61.397580][ T5077] __tipc_sendmsg+0xada/0x1890 [ 61.402441][ T5077] ? tipc_sendmcast+0xc50/0xc50 [ 61.407391][ T5077] ? lock_chain_count+0x20/0x20 [ 61.412533][ T5077] ? __init_waitqueue_head+0x150/0x150 [ 61.418027][ T5077] ? mark_held_locks+0x9f/0xe0 [ 61.422855][ T5077] ? __local_bh_enable_ip+0xa4/0x130 [ 61.428164][ T5077] tipc_connect+0x57b/0x6b0 [ 61.432744][ T5077] ? tipc_sendmsg+0x70/0x70 [ 61.437283][ T5077] ? bpf_lsm_socket_connect+0x9/0x10 [ 61.442655][ T5077] ? tipc_sendmsg+0x70/0x70 [ 61.447188][ T5077] __sys_connect_file+0x153/0x1a0 [ 61.452282][ T5077] __sys_connect+0x165/0x1a0 [ 61.456897][ T5077] ? __sys_connect_file+0x1a0/0x1a0 [ 61.462175][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.467412][ T5077] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.472669][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.477891][ T5077] __x64_sys_connect+0x73/0xb0 [ 61.482796][ T5077] do_syscall_64+0x39/0xb0 [ 61.487244][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.493183][ T5077] RIP: 0033:0x7fe9458f9b19 [ 61.497611][ 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 [ 61.517282][ T5077] RSP: 002b:00007ffcbe067028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 61.525769][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9458f9b19 [ 61.533791][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 61.541830][ T5077] RBP: 00007fe9458bdcc0 R08: 0000000000000000 R09: 0000000000000000 [ 61.549852][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9458bdd50 [ 61.558178][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.566395][ T5077] [ 61.569484][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.576765][ T5077] CPU: 0 PID: 5077 Comm: syz-executor144 Not tainted 6.2.0-rc5-next-20230123-syzkaller #0 [ 61.587595][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 61.597725][ T5077] Call Trace: [ 61.600994][ T5077] [ 61.603925][ T5077] dump_stack_lvl+0xd1/0x138 [ 61.608514][ T5077] panic+0x2cc/0x626 [ 61.612401][ T5077] ? panic_print_sys_info.part.0+0x110/0x110 [ 61.618572][ T5077] ? _copy_from_iter+0x2ae/0x1060 [ 61.623586][ T5077] check_panic_on_warn.cold+0x19/0x35 [ 61.628966][ T5077] __warn+0xf2/0x1a0 [ 61.632860][ T5077] ? _copy_from_iter+0x2ae/0x1060 [ 61.637874][ T5077] report_bug+0x1c0/0x210 [ 61.642197][ T5077] handle_bug+0x3c/0x70 [ 61.646341][ T5077] exc_invalid_op+0x18/0x50 [ 61.650843][ T5077] asm_exc_invalid_op+0x1a/0x20 [ 61.655704][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0x1060 [ 61.661347][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 dd 20 7a fd be 79 02 00 00 48 c7 c7 20 7d a6 8a e8 ac 97 b3 fd e9 55 fe ff ff e8 c2 20 7a fd <0f> 0b 45 31 ff eb 8b e8 b6 20 7a fd 31 ff 89 ee e8 1d 1d 7a fd 40 [ 61.680960][ T5077] RSP: 0018:ffffc90003b3f808 EFLAGS: 00010293 [ 61.687052][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.695056][ T5077] RDX: ffff88801c038000 RSI: ffffffff8407cd6e RDI: 0000000000000001 [ 61.703042][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 61.711030][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b3fd00 [ 61.719019][ T5077] R13: ffffc90003b3fd00 R14: ffff88807e38cc80 R15: 0000000000000000 [ 61.727024][ T5077] ? _copy_from_iter+0x2ae/0x1060 [ 61.732101][ T5077] ? _copy_from_iter+0x2ae/0x1060 [ 61.737172][ T5077] ? _copy_mc_to_iter+0x1350/0x1350 [ 61.742396][ T5077] ? __build_skb_around+0x276/0x3a0 [ 61.747614][ T5077] ? __alloc_skb+0x185/0x310 [ 61.752216][ T5077] ? __check_object_size+0x31/0x5a0 [ 61.757444][ T5077] tipc_msg_build+0x2d4/0x10a0 [ 61.762233][ T5077] ? tipc_msg_assemble+0x510/0x510 [ 61.767362][ T5077] ? tipc_node_find_by_name+0x420/0x420 [ 61.772935][ T5077] ? __local_bh_enable_ip+0xa4/0x130 [ 61.778242][ T5077] __tipc_sendmsg+0xada/0x1890 [ 61.783025][ T5077] ? tipc_sendmcast+0xc50/0xc50 [ 61.787886][ T5077] ? lock_chain_count+0x20/0x20 [ 61.794834][ T5077] ? __init_waitqueue_head+0x150/0x150 [ 61.800327][ T5077] ? mark_held_locks+0x9f/0xe0 [ 61.805097][ T5077] ? __local_bh_enable_ip+0xa4/0x130 [ 61.810392][ T5077] tipc_connect+0x57b/0x6b0 [ 61.814905][ T5077] ? tipc_sendmsg+0x70/0x70 [ 61.819441][ T5077] ? bpf_lsm_socket_connect+0x9/0x10 [ 61.824836][ T5077] ? tipc_sendmsg+0x70/0x70 [ 61.829385][ T5077] __sys_connect_file+0x153/0x1a0 [ 61.834440][ T5077] __sys_connect+0x165/0x1a0 [ 61.839060][ T5077] ? __sys_connect_file+0x1a0/0x1a0 [ 61.844293][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.849508][ T5077] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.854724][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.859958][ T5077] __x64_sys_connect+0x73/0xb0 [ 61.864741][ T5077] do_syscall_64+0x39/0xb0 [ 61.869174][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.875084][ T5077] RIP: 0033:0x7fe9458f9b19 [ 61.879500][ 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 [ 61.899106][ T5077] RSP: 002b:00007ffcbe067028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 61.907527][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9458f9b19 [ 61.917497][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003 [ 61.925467][ T5077] RBP: 00007fe9458bdcc0 R08: 0000000000000000 R09: 0000000000000000 [ 61.933456][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9458bdd50 [ 61.941442][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.949439][ T5077] [ 61.952515][ T5077] Kernel Offset: disabled [ 61.956905][ T5077] Rebooting in 86400 seconds..