DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a forked to background, child pid 4669 [ 42.276807][ T4670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.289374][ T4670] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. 2023/07/05 17:57:27 fuzzer started 2023/07/05 17:57:27 connecting to host at 10.128.0.169:38441 2023/07/05 17:57:27 checking machine... 2023/07/05 17:57:27 checking revisions... 2023/07/05 17:57:27 testing simple program... syzkaller login: [ 68.923199][ T5001] cgroup: Unknown subsys name 'net' [ 69.027070][ T5001] cgroup: Unknown subsys name 'rlimit' [ 70.414459][ T5001] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 70.427800][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-fuzzer' [ 70.540687][ T5003] ================================================================================ [ 70.551267][ T5003] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 70.559585][ T5003] index 1 is out of range for type 'upid [1]' [ 70.566644][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 70.576979][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 70.589146][ T5003] Call Trace: [ 70.594057][ T5003] [ 70.597071][ T5003] dump_stack_lvl+0x136/0x150 [ 70.603008][ T5003] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 70.608990][ T5003] ? try_to_take_rt_mutex+0x431/0xb70 [ 70.615438][ T5003] alloc_pid+0xbe5/0xdd0 [ 70.620710][ T5003] ? copy_namespaces+0x1e3/0x500 [ 70.625688][ T5003] copy_process+0x4589/0x7620 [ 70.630690][ T5003] ? pidfd_prepare+0x80/0x80 [ 70.635344][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 70.641802][ T5003] kernel_clone+0xeb/0x890 [ 70.646335][ T5003] ? create_io_thread+0xe0/0xe0 [ 70.651298][ T5003] ? ksys_unshare+0x676/0x920 [ 70.656532][ T5003] ? lock_downgrade+0x690/0x690 [ 70.661933][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 70.667408][ T5003] ? spin_bug+0x1c0/0x1c0 [ 70.672553][ T5003] __do_sys_clone+0xba/0x100 [ 70.677570][ T5003] ? kernel_clone+0x890/0x890 [ 70.682392][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 70.689980][ T5003] do_syscall_64+0x39/0xb0 [ 70.695607][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.701620][ T5003] RIP: 0033:0x7fce9a289fab [ 70.706214][ T5003] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 70.727308][ T5003] RSP: 002b:00007fffec0d9bd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.735991][ T5003] RAX: ffffffffffffffda RBX: 00007fffec0da228 RCX: 00007fce9a289fab [ 70.744494][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 70.752740][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555565bb400 [ 70.762506][ T5003] R10: 00005555565bb6d0 R11: 0000000000000246 R12: 0000000000000000 [ 70.770498][ T5003] R13: 00007fffec0d9cc0 R14: 00007fce9a3ac9d8 R15: 000000000000000c [ 70.778660][ T5003] [ 70.782121][ T5003] ================================================================================ [ 70.792201][ T5003] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 70.800187][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 70.810808][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 70.822720][ T5003] Call Trace: [ 70.827517][ T5003] [ 70.831202][ T5003] dump_stack_lvl+0xd9/0x150 [ 70.836339][ T5003] panic+0x686/0x730 [ 70.841219][ T5003] ? panic_smp_self_stop+0xa0/0xa0 [ 70.847062][ T5003] ? syslog_print_all+0x3a0/0x3a0 [ 70.852375][ T5003] check_panic_on_warn+0xb1/0xc0 [ 70.857706][ T5003] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 70.864087][ T5003] ? try_to_take_rt_mutex+0x431/0xb70 [ 70.869949][ T5003] alloc_pid+0xbe5/0xdd0 [ 70.874662][ T5003] ? copy_namespaces+0x1e3/0x500 [ 70.880601][ T5003] copy_process+0x4589/0x7620 [ 70.885792][ T5003] ? pidfd_prepare+0x80/0x80 [ 70.890847][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 70.897059][ T5003] kernel_clone+0xeb/0x890 [ 70.901777][ T5003] ? create_io_thread+0xe0/0xe0 [ 70.906851][ T5003] ? ksys_unshare+0x676/0x920 [ 70.912018][ T5003] ? lock_downgrade+0x690/0x690 [ 70.917512][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 70.923328][ T5003] ? spin_bug+0x1c0/0x1c0 [ 70.927855][ T5003] __do_sys_clone+0xba/0x100 [ 70.932814][ T5003] ? kernel_clone+0x890/0x890 [ 70.937511][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 70.943504][ T5003] do_syscall_64+0x39/0xb0 [ 70.948222][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.954432][ T5003] RIP: 0033:0x7fce9a289fab [ 70.959470][ T5003] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 70.979896][ T5003] RSP: 002b:00007fffec0d9bd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 70.988628][ T5003] RAX: ffffffffffffffda RBX: 00007fffec0da228 RCX: 00007fce9a289fab [ 70.997312][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 71.005897][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555565bb400 [ 71.015368][ T5003] R10: 00005555565bb6d0 R11: 0000000000000246 R12: 0000000000000000 [ 71.023463][ T5003] R13: 00007fffec0d9cc0 R14: 00007fce9a3ac9d8 R15: 000000000000000c [ 71.033539][ T5003] [ 71.037485][ T5003] Kernel Offset: disabled [ 71.042143][ T5003] Rebooting in 86400 seconds..