./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2036677197
<...>
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
[ 36.644069][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0
[ 36.655469][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts.
execve("./syz-executor2036677197", ["./syz-executor2036677197"], 0x7fff656b6870 /* 10 vars */) = 0
brk(NULL) = 0x555556a47000
brk(0x555556a47c40) = 0x555556a47c40
arch_prctl(ARCH_SET_FS, 0x555556a47300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2036677197", 4096) = 28
brk(0x555556a68c40) = 0x555556a68c40
brk(0x555556a69000) = 0x555556a69000
mprotect(0x7f44947cd000, 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: [ 58.991287][ T5077] ------------[ cut here ]------------
[ 58.996920][ T5077] WARNING: CPU: 0 PID: 5077 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0x1060
[ 59.006333][ T5077] Modules linked in:
[ 59.010311][ T5077] CPU: 1 PID: 5077 Comm: syz-executor203 Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
[ 59.020444][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 59.030715][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0x1060
[ 59.036557][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d 3f 7a fd be 79 02 00 00 48 c7 c7 e0 7c a6 8a e8 ec a2 b3 fd e9 55 fe ff ff e8 82 3f 7a fd <0f> 0b 45 31 ff eb 8b e8 76 3f 7a fd 31 ff 89 ee e8 dd 3b 7a fd 40
[ 59.056363][ T5077] RSP: 0018:ffffc90003b1f808 EFLAGS: 00010293
[ 59.062875][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 59.070849][ T5077] RDX: ffff888026bc57c0 RSI: ffffffff8407ba5e RDI: 0000000000000001
[ 59.079359][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 59.087397][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b1fd00
[ 59.095412][ T5077] R13: ffffc90003b1fd00 R14: ffff88807b2e2c80 R15: 0000000000000000
[ 59.103425][ T5077] FS: 0000555556a47300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 59.112418][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.119010][ T5077] CR2: 00007f4494771ec0 CR3: 0000000029180000 CR4: 00000000003506e0
[ 59.127028][ T5077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.135046][ T5077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.143091][ T5077] Call Trace:
[ 59.146379][ T5077] <TASK>
[ 59.149317][ T5077] ? _copy_mc_to_iter+0x1350/0x1350
[ 59.154566][ T5077] ? __build_skb_around+0x276/0x3a0
[ 59.159797][ T5077] ? __alloc_skb+0x185/0x310
[ 59.164436][ T5077] ? __check_object_size+0x31/0x5a0
[ 59.169667][ T5077] tipc_msg_build+0x2d4/0x10a0
[ 59.174492][ T5077] ? tipc_msg_assemble+0x510/0x510
[ 59.179629][ T5077] ? tipc_node_find_by_name+0x420/0x420
[ 59.185428][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 59.190784][ T5077] __tipc_sendmsg+0xada/0x1890
[ 59.195916][ T5077] ? tipc_sendmcast+0xc50/0xc50
[ 59.200806][ T5077] ? lock_chain_count+0x20/0x20
[ 59.205732][ T5077] ? __init_waitqueue_head+0x150/0x150
[ 59.211260][ T5077] ? mark_held_locks+0x9f/0xe0
[ 59.216024][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 59.221366][ T5077] tipc_connect+0x57b/0x6b0
[ 59.225899][ T5077] ? tipc_sendmsg+0x70/0x70
[ 59.230417][ T5077] ? bpf_lsm_socket_connect+0x9/0x10
[ 59.235744][ T5077] ? tipc_sendmsg+0x70/0x70
[ 59.240275][ T5077] __sys_connect_file+0x153/0x1a0
[ 59.245356][ T5077] __sys_connect+0x165/0x1a0
[ 59.249972][ T5077] ? __sys_connect_file+0x1a0/0x1a0
[ 59.255271][ T5077] ? _raw_spin_unlock_irq+0x23/0x50
[ 59.260505][ T5077] ? lockdep_hardirqs_on+0x7d/0x100
[ 59.265746][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50
[ 59.270990][ T5077] __x64_sys_connect+0x73/0xb0
[ 59.275803][ T5077] do_syscall_64+0x39/0xb0
[ 59.280250][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.286202][ T5077] RIP: 0033:0x7f4494760b19
[ 59.290642][ 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
[ 59.310495][ T5077] RSP: 002b:00007fff4aa31dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 59.318984][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4494760b19
[ 59.327034][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 59.335064][ T5077] RBP: 00007f4494724cc0 R08: 0000000000000000 R09: 0000000000000000
[ 59.343091][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4494724d50
[ 59.351123][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 59.359117][ T5077] </TASK>
[ 59.362193][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 59.369481][ T5077] CPU: 1 PID: 5077 Comm: syz-executor203 Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
[ 59.379363][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 59.389409][ T5077] Call Trace:
[ 59.392675][ T5077] <TASK>
[ 59.395598][ T5077] dump_stack_lvl+0xd1/0x138
[ 59.400189][ T5077] panic+0x2cc/0x626
[ 59.404079][ T5077] ? panic_print_sys_info.part.0+0x110/0x110
[ 59.410061][ T5077] ? _copy_from_iter+0x2ae/0x1060
[ 59.415080][ T5077] check_panic_on_warn.cold+0x19/0x35
[ 59.420463][ T5077] __warn+0xf2/0x1a0
[ 59.424356][ T5077] ? _copy_from_iter+0x2ae/0x1060
[ 59.429381][ T5077] report_bug+0x1c0/0x210
[ 59.433710][ T5077] handle_bug+0x3c/0x70
[ 59.437864][ T5077] exc_invalid_op+0x18/0x50
[ 59.442365][ T5077] asm_exc_invalid_op+0x1a/0x20
[ 59.447228][ T5077] RIP: 0010:_copy_from_iter+0x2ae/0x1060
[ 59.452853][ T5077] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 9d 3f 7a fd be 79 02 00 00 48 c7 c7 e0 7c a6 8a e8 ec a2 b3 fd e9 55 fe ff ff e8 82 3f 7a fd <0f> 0b 45 31 ff eb 8b e8 76 3f 7a fd 31 ff 89 ee e8 dd 3b 7a fd 40
[ 59.472460][ T5077] RSP: 0018:ffffc90003b1f808 EFLAGS: 00010293
[ 59.478557][ T5077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 59.486553][ T5077] RDX: ffff888026bc57c0 RSI: ffffffff8407ba5e RDI: 0000000000000001
[ 59.494545][ T5077] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 59.502532][ T5077] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003b1fd00
[ 59.510539][ T5077] R13: ffffc90003b1fd00 R14: ffff88807b2e2c80 R15: 0000000000000000
[ 59.518556][ T5077] ? _copy_from_iter+0x2ae/0x1060
[ 59.523613][ T5077] ? _copy_from_iter+0x2ae/0x1060
[ 59.528668][ T5077] ? _copy_mc_to_iter+0x1350/0x1350
[ 59.533890][ T5077] ? __build_skb_around+0x276/0x3a0
[ 59.539120][ T5077] ? __alloc_skb+0x185/0x310
[ 59.543736][ T5077] ? __check_object_size+0x31/0x5a0
[ 59.548963][ T5077] tipc_msg_build+0x2d4/0x10a0
[ 59.553762][ T5077] ? tipc_msg_assemble+0x510/0x510
[ 59.558895][ T5077] ? tipc_node_find_by_name+0x420/0x420
[ 59.564452][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 59.569769][ T5077] __tipc_sendmsg+0xada/0x1890
[ 59.574949][ T5077] ? tipc_sendmcast+0xc50/0xc50
[ 59.581340][ T5077] ? lock_chain_count+0x20/0x20
[ 59.586451][ T5077] ? __init_waitqueue_head+0x150/0x150
[ 59.595150][ T5077] ? mark_held_locks+0x9f/0xe0
[ 59.602398][ T5077] ? __local_bh_enable_ip+0xa4/0x130
[ 59.607711][ T5077] tipc_connect+0x57b/0x6b0
[ 59.612246][ T5077] ? tipc_sendmsg+0x70/0x70
[ 59.616795][ T5077] ? bpf_lsm_socket_connect+0x9/0x10
[ 59.622100][ T5077] ? tipc_sendmsg+0x70/0x70
[ 59.626623][ T5077] __sys_connect_file+0x153/0x1a0
[ 59.631677][ T5077] __sys_connect+0x165/0x1a0
[ 59.636293][ T5077] ? __sys_connect_file+0x1a0/0x1a0
[ 59.641528][ T5077] ? _raw_spin_unlock_irq+0x23/0x50
[ 59.646749][ T5077] ? lockdep_hardirqs_on+0x7d/0x100
[ 59.651987][ T5077] ? _raw_spin_unlock_irq+0x2e/0x50
[ 59.657215][ T5077] __x64_sys_connect+0x73/0xb0
[ 59.662007][ T5077] do_syscall_64+0x39/0xb0
[ 59.666456][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.672382][ T5077] RIP: 0033:0x7f4494760b19
[ 59.676814][ 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
[ 59.696452][ T5077] RSP: 002b:00007fff4aa31dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 59.704886][ T5077] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4494760b19
[ 59.712868][ T5077] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 59.720846][ T5077] RBP: 00007f4494724cc0 R08: 0000000000000000 R09: 0000000000000000
[ 59.728847][ T5077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4494724d50
[ 59.736842][ T5077] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 59.744839][ T5077] </TASK>
[ 59.748012][ T5077] Kernel Offset: disabled
[ 59.752407][ T5077] Rebooting in 86400 seconds..