./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3541677778
<...>
forked to background, child pid 4640
no interfaces have a carrier
[ 28.623617][ T4641] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.634357][ T4641] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts.
execve("./syz-executor3541677778", ["./syz-executor3541677778"], 0x7ffffaa11750 /* 10 vars */) = 0
brk(NULL) = 0x555555d18000
brk(0x555555d18c40) = 0x555555d18c40
arch_prctl(ARCH_SET_FS, 0x555555d18300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3541677778", 4096) = 28
brk(0x555555d39c40) = 0x555555d39c40
brk(0x555555d3a000) = 0x555555d3a000
mprotect(0x7fd739183000, 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: [ 53.544611][ T5062] ------------[ cut here ]------------
[ 53.550322][ T5062] WARNING: CPU: 0 PID: 5062 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 53.559687][ T5062] Modules linked in:
[ 53.563620][ T5062] CPU: 0 PID: 5062 Comm: syz-executor354 Not tainted 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0
[ 53.574159][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 53.584338][ T5062] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 53.589977][ T5062] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed d4 77 fd be 79 02 00 00 48 c7 c7 a0 64 a6 8a e8 1c fb b0 fd e9 55 fe ff ff e8 d2 d4 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 d4 77 fd 31 ff 89 ee e8 2d d1 77 fd 40
[ 53.609675][ T5062] RSP: 0018:ffffc90003c4f830 EFLAGS: 00010293
[ 53.615736][ T5062] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 53.623861][ T5062] RDX: ffff888020379d40 RSI: ffffffff84097d8e RDI: 0000000000000001
[ 53.631967][ T5062] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 53.640033][ T5062] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c4fd00
[ 53.648302][ T5062] R13: ffffc90003c4fd00 R14: ffff88807e69b400 R15: 0000000000000000
[ 53.656286][ T5062] FS: 0000555555d18300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 53.665404][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.672112][ T5062] CR2: 000000000045ad50 CR3: 0000000021599000 CR4: 0000000000350ef0
[ 53.680245][ T5062] Call Trace:
[ 53.683584][ T5062]
[ 53.686701][ T5062] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 53.692690][ T5062] ? memset+0x24/0x50
[ 53.697062][ T5062] ? __build_skb_around+0x276/0x3a0
[ 53.702348][ T5062] ? __alloc_skb+0x185/0x310
[ 53.707000][ T5062] ? __check_object_size+0x31/0x5a0
[ 53.712307][ T5062] tipc_msg_build+0x2d4/0x10a0
[ 53.717155][ T5062] ? tipc_msg_assemble+0x510/0x510
[ 53.722467][ T5062] ? __tipc_node_link_down+0x1540/0x1540
[ 53.728227][ T5062] ? __local_bh_enable_ip+0xa4/0x130
[ 53.733550][ T5062] __tipc_sendmsg+0xada/0x1870
[ 53.738422][ T5062] ? tipc_sendmcast+0xe60/0xe60
[ 53.743352][ T5062] ? __init_waitqueue_head+0x150/0x150
[ 53.748900][ T5062] ? mark_held_locks+0x9f/0xe0
[ 53.753687][ T5062] ? __local_bh_enable_ip+0xa4/0x130
[ 53.759028][ T5062] tipc_connect+0x57b/0x6b0
[ 53.763651][ T5062] ? tipc_sendmsg+0x70/0x70
[ 53.769298][ T5062] ? bpf_lsm_socket_connect+0x9/0x10
[ 53.774642][ T5062] ? tipc_sendmsg+0x70/0x70
[ 53.779552][ T5062] __sys_connect_file+0x153/0x1a0
[ 53.784580][ T5062] __sys_connect+0x165/0x1a0
[ 53.789245][ T5062] ? __sys_connect_file+0x1a0/0x1a0
[ 53.794507][ T5062] ? _raw_spin_unlock_irq+0x23/0x50
[ 53.800143][ T5062] ? lockdep_hardirqs_on+0x7d/0x100
[ 53.805435][ T5062] ? _raw_spin_unlock_irq+0x2e/0x50
[ 53.810716][ T5062] __x64_sys_connect+0x73/0xb0
[ 53.815531][ T5062] do_syscall_64+0x39/0xb0
[ 53.820122][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.826043][ T5062] RIP: 0033:0x7fd739116b19
[ 53.830699][ T5062] 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
[ 53.850369][ T5062] RSP: 002b:00007ffe3d6cbfe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 53.858873][ T5062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd739116b19
[ 53.866887][ T5062] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 53.875009][ T5062] RBP: 00007fd7390dacc0 R08: 0000000000000000 R09: 0000000000000000
[ 53.883228][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7390dad50
[ 53.891276][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 53.899369][ T5062]
[ 53.902392][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 53.909758][ T5062] CPU: 0 PID: 5062 Comm: syz-executor354 Not tainted 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0
[ 53.920211][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 53.930954][ T5062] Call Trace:
[ 53.934239][ T5062]
[ 53.937172][ T5062] dump_stack_lvl+0xd1/0x138
[ 53.941862][ T5062] panic+0x2cc/0x626
[ 53.945748][ T5062] ? panic_print_sys_info.part.0+0x110/0x110
[ 53.952270][ T5062] ? _copy_from_iter+0x2ae/0xf40
[ 53.957196][ T5062] check_panic_on_warn.cold+0x19/0x35
[ 53.962584][ T5062] __warn+0xf2/0x1a0
[ 53.966512][ T5062] ? _copy_from_iter+0x2ae/0xf40
[ 53.971440][ T5062] report_bug+0x1c0/0x210
[ 53.976003][ T5062] handle_bug+0x3c/0x70
[ 53.980152][ T5062] exc_invalid_op+0x18/0x50
[ 53.984732][ T5062] asm_exc_invalid_op+0x1a/0x20
[ 53.991567][ T5062] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 53.997168][ T5062] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed d4 77 fd be 79 02 00 00 48 c7 c7 a0 64 a6 8a e8 1c fb b0 fd e9 55 fe ff ff e8 d2 d4 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 d4 77 fd 31 ff 89 ee e8 2d d1 77 fd 40
[ 54.016784][ T5062] RSP: 0018:ffffc90003c4f830 EFLAGS: 00010293
[ 54.022867][ T5062] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 54.031105][ T5062] RDX: ffff888020379d40 RSI: ffffffff84097d8e RDI: 0000000000000001
[ 54.039605][ T5062] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.047567][ T5062] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c4fd00
[ 54.055784][ T5062] R13: ffffc90003c4fd00 R14: ffff88807e69b400 R15: 0000000000000000
[ 54.063770][ T5062] ? _copy_from_iter+0x2ae/0xf40
[ 54.068802][ T5062] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 54.074596][ T5062] ? memset+0x24/0x50
[ 54.078571][ T5062] ? __build_skb_around+0x276/0x3a0
[ 54.083768][ T5062] ? __alloc_skb+0x185/0x310
[ 54.088368][ T5062] ? __check_object_size+0x31/0x5a0
[ 54.093580][ T5062] tipc_msg_build+0x2d4/0x10a0
[ 54.098387][ T5062] ? tipc_msg_assemble+0x510/0x510
[ 54.103508][ T5062] ? __tipc_node_link_down+0x1540/0x1540
[ 54.109132][ T5062] ? __local_bh_enable_ip+0xa4/0x130
[ 54.114418][ T5062] __tipc_sendmsg+0xada/0x1870
[ 54.119202][ T5062] ? tipc_sendmcast+0xe60/0xe60
[ 54.124067][ T5062] ? __init_waitqueue_head+0x150/0x150
[ 54.129528][ T5062] ? mark_held_locks+0x9f/0xe0
[ 54.134280][ T5062] ? __local_bh_enable_ip+0xa4/0x130
[ 54.139575][ T5062] tipc_connect+0x57b/0x6b0
[ 54.144079][ T5062] ? tipc_sendmsg+0x70/0x70
[ 54.148601][ T5062] ? bpf_lsm_socket_connect+0x9/0x10
[ 54.153897][ T5062] ? tipc_sendmsg+0x70/0x70
[ 54.158393][ T5062] __sys_connect_file+0x153/0x1a0
[ 54.163412][ T5062] __sys_connect+0x165/0x1a0
[ 54.167993][ T5062] ? __sys_connect_file+0x1a0/0x1a0
[ 54.173209][ T5062] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.178394][ T5062] ? lockdep_hardirqs_on+0x7d/0x100
[ 54.183599][ T5062] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.188786][ T5062] __x64_sys_connect+0x73/0xb0
[ 54.193539][ T5062] do_syscall_64+0x39/0xb0
[ 54.198469][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.204347][ T5062] RIP: 0033:0x7fd739116b19
[ 54.208750][ T5062] 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
[ 54.229491][ T5062] RSP: 002b:00007ffe3d6cbfe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 54.237890][ T5062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd739116b19
[ 54.245863][ T5062] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 54.253819][ T5062] RBP: 00007fd7390dacc0 R08: 0000000000000000 R09: 0000000000000000
[ 54.261778][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7390dad50
[ 54.269734][ T5062] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 54.277696][ T5062]
[ 54.281177][ T5062] Kernel Offset: disabled
[ 54.285566][ T5062] Rebooting in 86400 seconds..