DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a forked to background, child pid 4671 [ 35.896648][ T4672] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.907125][ T4672] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.127' (ECDSA) to the list of known hosts. 2023/07/05 03:46:24 fuzzer started 2023/07/05 03:46:24 connecting to host at 10.128.0.169:37867 2023/07/05 03:46:24 checking machine... 2023/07/05 03:46:24 checking revisions... 2023/07/05 03:46:24 testing simple program... syzkaller login: [ 57.935872][ T5002] cgroup: Unknown subsys name 'net' [ 58.045481][ T5002] cgroup: Unknown subsys name 'rlimit' [ 59.372135][ T5002] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 59.384593][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-fuzzer' [ 59.490530][ T5004] ================================================================================ [ 59.500160][ T5004] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 59.508135][ T5004] index 1 is out of range for type 'upid [1]' [ 59.514531][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 59.524731][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 59.534878][ T5004] Call Trace: [ 59.538162][ T5004] [ 59.541094][ T5004] dump_stack_lvl+0x136/0x150 [ 59.545809][ T5004] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 59.551714][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 59.557107][ T5004] alloc_pid+0xbe5/0xdd0 [ 59.561387][ T5004] ? copy_namespaces+0x1e3/0x500 [ 59.566353][ T5004] copy_process+0x4589/0x7620 [ 59.571082][ T5004] ? pidfd_prepare+0x80/0x80 [ 59.576404][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.582714][ T5004] kernel_clone+0xeb/0x890 [ 59.587346][ T5004] ? create_io_thread+0xe0/0xe0 [ 59.593457][ T5004] ? ksys_unshare+0x676/0x920 [ 59.598239][ T5004] ? lock_downgrade+0x690/0x690 [ 59.603104][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 59.608227][ T5004] ? spin_bug+0x1c0/0x1c0 [ 59.612657][ T5004] __do_sys_clone+0xba/0x100 [ 59.617782][ T5004] ? kernel_clone+0x890/0x890 [ 59.622658][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 59.629866][ T5004] do_syscall_64+0x39/0xb0 [ 59.634300][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.640494][ T5004] RIP: 0033:0x7f42c6a89fab [ 59.645186][ T5004] 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 [ 59.665516][ T5004] RSP: 002b:00007ffe2731e9a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.674455][ T5004] RAX: ffffffffffffffda RBX: 00007ffe2731eff8 RCX: 00007f42c6a89fab [ 59.682435][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 59.690496][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555d07400 [ 59.698847][ T5004] R10: 0000555555d076d0 R11: 0000000000000246 R12: 0000000000000000 [ 59.707392][ T5004] R13: 00007ffe2731ea90 R14: 00007f42c6bac9d8 R15: 000000000000000c [ 59.716188][ T5004] [ 59.719925][ T5004] ================================================================================ [ 59.729936][ T5004] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 59.737928][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 59.748965][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 59.759012][ T5004] Call Trace: [ 59.762278][ T5004] [ 59.765200][ T5004] dump_stack_lvl+0xd9/0x150 [ 59.769970][ T5004] panic+0x686/0x730 [ 59.774234][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 59.779453][ T5004] ? syslog_print_all+0x3a0/0x3a0 [ 59.784477][ T5004] check_panic_on_warn+0xb1/0xc0 [ 59.789408][ T5004] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 59.795202][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 59.800565][ T5004] alloc_pid+0xbe5/0xdd0 [ 59.805240][ T5004] ? copy_namespaces+0x1e3/0x500 [ 59.810345][ T5004] copy_process+0x4589/0x7620 [ 59.815120][ T5004] ? pidfd_prepare+0x80/0x80 [ 59.819706][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.825789][ T5004] kernel_clone+0xeb/0x890 [ 59.830199][ T5004] ? create_io_thread+0xe0/0xe0 [ 59.835129][ T5004] ? ksys_unshare+0x676/0x920 [ 59.839898][ T5004] ? lock_downgrade+0x690/0x690 [ 59.844764][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 59.849811][ T5004] ? spin_bug+0x1c0/0x1c0 [ 59.854160][ T5004] __do_sys_clone+0xba/0x100 [ 59.858760][ T5004] ? kernel_clone+0x890/0x890 [ 59.863481][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 59.869498][ T5004] do_syscall_64+0x39/0xb0 [ 59.873960][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.879953][ T5004] RIP: 0033:0x7f42c6a89fab [ 59.884463][ T5004] 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 [ 59.904098][ T5004] RSP: 002b:00007ffe2731e9a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.912702][ T5004] RAX: ffffffffffffffda RBX: 00007ffe2731eff8 RCX: 00007f42c6a89fab [ 59.920763][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 59.928991][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555d07400 [ 59.937144][ T5004] R10: 0000555555d076d0 R11: 0000000000000246 R12: 0000000000000000 [ 59.945141][ T5004] R13: 00007ffe2731ea90 R14: 00007f42c6bac9d8 R15: 000000000000000c [ 59.953305][ T5004] [ 59.956582][ T5004] Kernel Offset: disabled [ 59.960977][ T5004] Rebooting in 86400 seconds..