./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3979911197
<...>
forked to background, child pid 4641
no interfaces have a carrier
[ 22.799230][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0
[ 22.807926][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts.
execve("./syz-executor3979911197", ["./syz-executor3979911197"], 0x7ffd47629150 /* 10 vars */) = 0
brk(NULL) = 0x5555570ab000
brk(0x5555570abc40) = 0x5555570abc40
arch_prctl(ARCH_SET_FS, 0x5555570ab300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3979911197", 4096) = 28
brk(0x5555570ccc40) = 0x5555570ccc40
brk(0x5555570cd000) = 0x5555570cd000
mprotect(0x7f52e4254000, 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: [ 43.377785][ T5069] ------------[ cut here ]------------
[ 43.383332][ T5069] WARNING: CPU: 0 PID: 5069 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40
[ 43.392323][ T5069] Modules linked in:
[ 43.396261][ T5069] CPU: 0 PID: 5069 Comm: syz-executor397 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
[ 43.406761][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 43.417067][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 43.422601][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed 99 77 fd be 79 02 00 00 48 c7 c7 a0 62 a6 8a e8 7c c6 b0 fd e9 55 fe ff ff e8 d2 99 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 99 77 fd 31 ff 89 ee e8 2d 96 77 fd 40
[ 43.442422][ T5069] RSP: 0018:ffffc90003cbf830 EFLAGS: 00010293
[ 43.448542][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.456712][ T5069] RDX: ffff888023641d40 RSI: ffffffff8409c81e RDI: 0000000000000001
[ 43.464823][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 43.472790][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003cbfd00
[ 43.480864][ T5069] R13: ffffc90003cbfd00 R14: ffff88807c838a00 R15: 0000000000000000
[ 43.488865][ T5069] FS: 00005555570ab300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 43.497960][ T5069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.504678][ T5069] CR2: 000000000045ad50 CR3: 0000000079b2c000 CR4: 0000000000350ef0
[ 43.512652][ T5069] Call Trace:
[ 43.516057][ T5069]
[ 43.518995][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 43.524854][ T5069] ? memset+0x24/0x50
[ 43.528866][ T5069] ? __build_skb_around+0x276/0x3a0
[ 43.534174][ T5069] ? __alloc_skb+0x185/0x310
[ 43.538789][ T5069] ? __check_object_size+0x31/0x5a0
[ 43.544075][ T5069] tipc_msg_build+0x2d4/0x10a0
[ 43.548871][ T5069] ? tipc_msg_assemble+0x510/0x510
[ 43.554048][ T5069] ? __tipc_node_link_down+0x1540/0x1540
[ 43.559696][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.565036][ T5069] __tipc_sendmsg+0xada/0x1870
[ 43.569829][ T5069] ? tipc_sendmcast+0xe60/0xe60
[ 43.574766][ T5069] ? __init_waitqueue_head+0x150/0x150
[ 43.580271][ T5069] ? mark_held_locks+0x9f/0xe0
[ 43.585072][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.590371][ T5069] tipc_connect+0x57b/0x6b0
[ 43.594934][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.599473][ T5069] ? bpf_lsm_socket_connect+0x9/0x10
[ 43.604798][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.609323][ T5069] __sys_connect_file+0x153/0x1a0
[ 43.614420][ T5069] __sys_connect+0x165/0x1a0
[ 43.619112][ T5069] ? __sys_connect_file+0x1a0/0x1a0
[ 43.624385][ T5069] ? _raw_spin_unlock_irq+0x23/0x50
[ 43.629608][ T5069] ? lockdep_hardirqs_on+0x7d/0x100
[ 43.634900][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50
[ 43.640111][ T5069] __x64_sys_connect+0x73/0xb0
[ 43.644912][ T5069] do_syscall_64+0x39/0xb0
[ 43.649356][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.655304][ T5069] RIP: 0033:0x7f52e41e7b19
[ 43.659725][ T5069] 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
[ 43.679396][ T5069] RSP: 002b:00007ffc5e037e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 43.687913][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52e41e7b19
[ 43.695949][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 43.703955][ T5069] RBP: 00007f52e41abcc0 R08: 0000000000000000 R09: 0000000000000000
[ 43.711910][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52e41abd50
[ 43.719922][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 43.728024][ T5069]
[ 43.731034][ T5069] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 43.738290][ T5069] CPU: 0 PID: 5069 Comm: syz-executor397 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c #0
[ 43.748681][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 43.758714][ T5069] Call Trace:
[ 43.761972][ T5069]
[ 43.764890][ T5069] dump_stack_lvl+0xd1/0x138
[ 43.769469][ T5069] panic+0x2cc/0x626
[ 43.773346][ T5069] ? panic_print_sys_info.part.0+0x110/0x110
[ 43.779321][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.784250][ T5069] check_panic_on_warn.cold+0x19/0x35
[ 43.789626][ T5069] __warn+0xf2/0x1a0
[ 43.793514][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.798446][ T5069] report_bug+0x1c0/0x210
[ 43.802776][ T5069] handle_bug+0x3c/0x70
[ 43.806926][ T5069] exc_invalid_op+0x18/0x50
[ 43.811424][ T5069] asm_exc_invalid_op+0x1a/0x20
[ 43.816263][ T5069] RIP: 0010:_copy_from_iter+0x2ae/0xf40
[ 43.821798][ T5069] Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 ed 99 77 fd be 79 02 00 00 48 c7 c7 a0 62 a6 8a e8 7c c6 b0 fd e9 55 fe ff ff e8 d2 99 77 fd <0f> 0b 45 31 ff eb 8b e8 c6 99 77 fd 31 ff 89 ee e8 2d 96 77 fd 40
[ 43.841397][ T5069] RSP: 0018:ffffc90003cbf830 EFLAGS: 00010293
[ 43.847456][ T5069] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.855434][ T5069] RDX: ffff888023641d40 RSI: ffffffff8409c81e RDI: 0000000000000001
[ 43.863389][ T5069] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 43.871342][ T5069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003cbfd00
[ 43.879296][ T5069] R13: ffffc90003cbfd00 R14: ffff88807c838a00 R15: 0000000000000000
[ 43.887265][ T5069] ? _copy_from_iter+0x2ae/0xf40
[ 43.892234][ T5069] ? csum_and_copy_from_iter+0x12e0/0x12e0
[ 43.898031][ T5069] ? memset+0x24/0x50
[ 43.902011][ T5069] ? __build_skb_around+0x276/0x3a0
[ 43.907213][ T5069] ? __alloc_skb+0x185/0x310
[ 43.911801][ T5069] ? __check_object_size+0x31/0x5a0
[ 43.917002][ T5069] tipc_msg_build+0x2d4/0x10a0
[ 43.921771][ T5069] ? tipc_msg_assemble+0x510/0x510
[ 43.926905][ T5069] ? __tipc_node_link_down+0x1540/0x1540
[ 43.932541][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.937830][ T5069] __tipc_sendmsg+0xada/0x1870
[ 43.942594][ T5069] ? tipc_sendmcast+0xe60/0xe60
[ 43.947442][ T5069] ? __init_waitqueue_head+0x150/0x150
[ 43.952917][ T5069] ? mark_held_locks+0x9f/0xe0
[ 43.957674][ T5069] ? __local_bh_enable_ip+0xa4/0x130
[ 43.962952][ T5069] tipc_connect+0x57b/0x6b0
[ 43.967480][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.971992][ T5069] ? bpf_lsm_socket_connect+0x9/0x10
[ 43.977344][ T5069] ? tipc_sendmsg+0x70/0x70
[ 43.981843][ T5069] __sys_connect_file+0x153/0x1a0
[ 43.986868][ T5069] __sys_connect+0x165/0x1a0
[ 43.991454][ T5069] ? __sys_connect_file+0x1a0/0x1a0
[ 43.996651][ T5069] ? _raw_spin_unlock_irq+0x23/0x50
[ 44.001844][ T5069] ? lockdep_hardirqs_on+0x7d/0x100
[ 44.007029][ T5069] ? _raw_spin_unlock_irq+0x2e/0x50
[ 44.012220][ T5069] __x64_sys_connect+0x73/0xb0
[ 44.016978][ T5069] do_syscall_64+0x39/0xb0
[ 44.021396][ T5069] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 44.027277][ T5069] RIP: 0033:0x7f52e41e7b19
[ 44.032029][ T5069] 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
[ 44.051622][ T5069] RSP: 002b:00007ffc5e037e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 44.060024][ T5069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52e41e7b19
[ 44.067984][ T5069] RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
[ 44.076021][ T5069] RBP: 00007f52e41abcc0 R08: 0000000000000000 R09: 0000000000000000
[ 44.083992][ T5069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52e41abd50
[ 44.091960][ T5069] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 44.099935][ T5069]
[ 44.103654][ T5069] Kernel Offset: disabled
[ 44.108030][ T5069] Rebooting in 86400 seconds..