./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4172266613
<...>
DUID 00:04:ab:86:5b:51:31:5e:ac:a3:74:55:84:ab:cd:90:ff:3d
forked to background, child pid 4653
[ 34.724911][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.744404][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts.
execve("./syz-executor4172266613", ["./syz-executor4172266613"], 0x7fff25dcd3e0 /* 10 vars */) = 0
brk(NULL) = 0x555556e8a000
brk(0x555556e8ac40) = 0x555556e8ac40
arch_prctl(ARCH_SET_FS, 0x555556e8a300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4172266613", 4096) = 28
brk(0x555556eabc40) = 0x555556eabc40
brk(0x555556eac000) = 0x555556eac000
mprotect(0x7ff108de7000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x555556e8a5d0) = 5079
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5079] setpgid(0, 0) = 0
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5079] write(3, "1000", 4) = 4
[pid 5079] close(3) = 0
[pid 5079] socket(AF_TIPC, SOCK_STREAM, 0) = 3
syzkaller login: [ 58.094658][ T5079] ------------[ cut here ]------------
[ 58.100373][ T5079] WARNING: CPU: 0 PID: 5079 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0x1060
[ 58.109841][ T5079] Modules linked in:
[ 58.113985][ T5079] CPU: 0 PID: 5079 Comm: syz-executor417 Not tainted 6.2.0-rc5-next-20230123-syzkaller #0
[ 58.124208][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 58.135027][ T5079] RIP: 0010:_copy_from_iter+0x2ae/0x1060
[ 58.140709][ T5079] 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
[ 58.160757][ T5079] RSP: 0018:ffffc90003c1f808 EFLAGS: 00010293
[ 58.167223][ T5079] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 58.175422][ T5079] RDX: ffff88801bd8ba80 RSI: ffffffff8407cd6e RDI: 0000000000000001
[ 58.183570][ T5079] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 58.191653][ T5079] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c1fd00
[ 58.199925][ T5079] R13: ffffc90003c1fd00 R14: ffff88807663cf00 R15: 0000000000000000
[ 58.208077][ T5079] FS: 0000555556e8a300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 58.217268][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.224033][ T5079] CR2: 000000000045ad50 CR3: 00000000761c0000 CR4: 00000000003506f0
[ 58.232359][ T5079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 58.240371][ T5079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 58.248435][ T5079] Call Trace:
[ 58.251726][ T5079]
[ 58.254713][ T5079] ? _copy_mc_to_iter+0x1350/0x1350
[ 58.259935][ T5079] ? __build_skb_around+0x276/0x3a0
[ 58.265241][ T5079] ? __alloc_skb+0x185/0x310
[ 58.269868][ T5079] ? __check_object_size+0x31/0x5a0
[ 58.275440][ T5079] tipc_msg_build+0x2d4/0x10a0
[ 58.280257][ T5079] ? tipc_msg_assemble+0x510/0x510
[ 58.285465][ T5079] ? tipc_node_find_by_name+0x420/0x420
[ 58.291033][ T5079] ? __local_bh_enable_ip+0xa4/0x130
[ 58.296469][ T5079] __tipc_sendmsg+0xada/0x1890
[ 58.301271][ T5079] ? tipc_sendmcast+0xc50/0xc50
[ 58.306207][ T5079] ? io_schedule_timeout+0x150/0x150
[ 58.311526][ T5079] ? __init_waitqueue_head+0x150/0x150
[ 58.317075][ T5079] ? preempt_schedule_thunk+0x1a/0x20
[ 58.322557][ T5079] ? preempt_schedule_common+0x45/0xb0
[ 58.328067][ T5079] ? preempt_schedule_thunk+0x1a/0x20
[ 58.333515][ T5079] tipc_connect+0x57b/0x6b0
[ 58.338054][ T5079] ? tipc_sendmsg+0x70/0x70
[ 58.342755][ T5079] ? bpf_lsm_socket_connect+0x9/0x10
[ 58.348075][ T5079] ? tipc_sendmsg+0x70/0x70
[ 58.352644][ T5079] __sys_connect_file+0x153/0x1a0
[ 58.357704][ T5079] __sys_connect+0x165/0x1a0
[ 58.362381][ T5079] ? __sys_connect_file+0x1a0/0x1a0
[ 58.367676][ T5079] ? _raw_spin_unlock_irq+0x23/0x50
[ 58.372971][ T5079] ? lockdep_hardirqs_on+0x7d/0x100
[ 58.378192][ T5079] ? _raw_spin_unlock_irq+0x2e/0x50
[ 58.383773][ T5079] __x64_sys_connect+0x73/0xb0
[ 58.388597][ T5079] do_syscall_64+0x39/0xb0
[ 58.393127][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 58.399049][ T5079] RIP: 0033:0x7ff108d7ad29
[ 58.403529][ T5079] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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
[ 58.423246][ T5079] RSP: 002b:00007ffd98868d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 58.432509][ T5079] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff108d7ad29
[ 58.440534][ T5079] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
[ 58.448682][ T5079] RBP: 0000000000000000 R08: 00007ffd98868ec8 R09: 00007ffd98868ec8
[ 58.456928][ T5079] R10: 00007ffd988687a0 R11: 0000000000000246 R12: 00007ff108d3e5b0
[ 58.465178][ T5079] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 58.473398][ T5079]
[ 58.476529][ T5079] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 58.483851][ T5079] CPU: 0 PID: 5079 Comm: syz-executor417 Not tainted 6.2.0-rc5-next-20230123-syzkaller #0
[ 58.494279][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 58.504694][ T5079] Call Trace:
[ 58.508071][ T5079]
[ 58.511281][ T5079] dump_stack_lvl+0xd1/0x138
[ 58.516064][ T5079] panic+0x2cc/0x626
[ 58.519997][ T5079] ? panic_print_sys_info.part.0+0x110/0x110
[ 58.526037][ T5079] ? _copy_from_iter+0x2ae/0x1060
[ 58.531176][ T5079] check_panic_on_warn.cold+0x19/0x35
[ 58.536656][ T5079] __warn+0xf2/0x1a0
[ 58.540585][ T5079] ? _copy_from_iter+0x2ae/0x1060
[ 58.545663][ T5079] report_bug+0x1c0/0x210
[ 58.550201][ T5079] handle_bug+0x3c/0x70
[ 58.554446][ T5079] exc_invalid_op+0x18/0x50
[ 58.558986][ T5079] asm_exc_invalid_op+0x1a/0x20
[ 58.564062][ T5079] RIP: 0010:_copy_from_iter+0x2ae/0x1060
[ 58.570119][ T5079] 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
[ 58.589864][ T5079] RSP: 0018:ffffc90003c1f808 EFLAGS: 00010293
[ 58.596229][ T5079] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 58.604236][ T5079] RDX: ffff88801bd8ba80 RSI: ffffffff8407cd6e RDI: 0000000000000001
[ 58.612359][ T5079] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 58.620529][ T5079] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003c1fd00
[ 58.628720][ T5079] R13: ffffc90003c1fd00 R14: ffff88807663cf00 R15: 0000000000000000
[ 58.636922][ T5079] ? _copy_from_iter+0x2ae/0x1060
[ 58.642085][ T5079] ? _copy_from_iter+0x2ae/0x1060
[ 58.647779][ T5079] ? _copy_mc_to_iter+0x1350/0x1350
[ 58.653735][ T5079] ? __build_skb_around+0x276/0x3a0
[ 58.659067][ T5079] ? __alloc_skb+0x185/0x310
[ 58.664128][ T5079] ? __check_object_size+0x31/0x5a0
[ 58.669911][ T5079] tipc_msg_build+0x2d4/0x10a0
[ 58.674728][ T5079] ? tipc_msg_assemble+0x510/0x510
[ 58.680003][ T5079] ? tipc_node_find_by_name+0x420/0x420
[ 58.685700][ T5079] ? __local_bh_enable_ip+0xa4/0x130
[ 58.691145][ T5079] __tipc_sendmsg+0xada/0x1890
[ 58.695961][ T5079] ? tipc_sendmcast+0xc50/0xc50
[ 58.701557][ T5079] ? io_schedule_timeout+0x150/0x150
[ 58.706989][ T5079] ? __init_waitqueue_head+0x150/0x150
[ 58.712467][ T5079] ? preempt_schedule_thunk+0x1a/0x20
[ 58.717974][ T5079] ? preempt_schedule_common+0x45/0xb0
[ 58.723916][ T5079] ? preempt_schedule_thunk+0x1a/0x20
[ 58.730232][ T5079] tipc_connect+0x57b/0x6b0
[ 58.735381][ T5079] ? tipc_sendmsg+0x70/0x70
[ 58.740282][ T5079] ? bpf_lsm_socket_connect+0x9/0x10
[ 58.745716][ T5079] ? tipc_sendmsg+0x70/0x70
[ 58.750438][ T5079] __sys_connect_file+0x153/0x1a0
[ 58.755711][ T5079] __sys_connect+0x165/0x1a0
[ 58.760462][ T5079] ? __sys_connect_file+0x1a0/0x1a0
[ 58.765819][ T5079] ? _raw_spin_unlock_irq+0x23/0x50
[ 58.771070][ T5079] ? lockdep_hardirqs_on+0x7d/0x100
[ 58.776291][ T5079] ? _raw_spin_unlock_irq+0x2e/0x50
[ 58.781713][ T5079] __x64_sys_connect+0x73/0xb0
[ 58.786784][ T5079] do_syscall_64+0x39/0xb0
[ 58.791263][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 58.797175][ T5079] RIP: 0033:0x7ff108d7ad29
[ 58.801611][ T5079] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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
[ 58.822199][ T5079] RSP: 002b:00007ffd98868d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 58.831161][ T5079] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff108d7ad29
[ 58.839300][ T5079] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
[ 58.847729][ T5079] RBP: 0000000000000000 R08: 00007ffd98868ec8 R09: 00007ffd98868ec8
[ 58.855905][ T5079] R10: 00007ffd988687a0 R11: 0000000000000246 R12: 00007ff108d3e5b0
[ 58.863881][ T5079] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 58.871988][ T5079]
[ 58.875259][ T5079] Kernel Offset: disabled
[ 58.879677][ T5079] Rebooting in 86400 seconds..