Warning: Permanently added '10.128.1.84' (ECDSA) to the list of known hosts. 2023/07/01 05:25:59 fuzzer started 2023/07/01 05:25:59 connecting to host at 10.128.0.169:37693 2023/07/01 05:25:59 checking machine... 2023/07/01 05:25:59 checking revisions... 2023/07/01 05:26:00 testing simple program... syzkaller login: [ 58.889878][ T5002] cgroup: Unknown subsys name 'net' [ 59.010919][ T5002] cgroup: Unknown subsys name 'rlimit' [ 60.355336][ T5002] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 60.368235][ T4995] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4995 'syz-fuzzer' [ 60.474092][ T5004] ================================================================================ [ 60.483810][ T5004] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 60.491330][ T5004] index 1 is out of range for type 'upid [1]' [ 60.497771][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04259-gc20f9cef725b #0 [ 60.508033][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 60.518467][ T5004] Call Trace: [ 60.521754][ T5004] [ 60.524700][ T5004] dump_stack_lvl+0x136/0x150 [ 60.529584][ T5004] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 60.535488][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 60.541059][ T5004] alloc_pid+0xbe5/0xdd0 [ 60.545836][ T5004] ? copy_namespaces+0x1e3/0x500 [ 60.550801][ T5004] copy_process+0x4589/0x7620 [ 60.555513][ T5004] ? pidfd_prepare+0x80/0x80 [ 60.560117][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.566150][ T5004] kernel_clone+0xeb/0x890 [ 60.570856][ T5004] ? create_io_thread+0xe0/0xe0 [ 60.575740][ T5004] ? ksys_unshare+0x676/0x920 [ 60.580433][ T5004] ? lock_downgrade+0x690/0x690 [ 60.585303][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 60.590485][ T5004] ? spin_bug+0x1c0/0x1c0 [ 60.595019][ T5004] __do_sys_clone+0xba/0x100 [ 60.599743][ T5004] ? kernel_clone+0x890/0x890 [ 60.604543][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 60.611419][ T5004] do_syscall_64+0x39/0xb0 [ 60.615949][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.622316][ T5004] RIP: 0033:0x7f6a99689fab [ 60.626937][ 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 [ 60.647015][ T5004] RSP: 002b:00007ffc6b1ee8b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.655587][ T5004] RAX: ffffffffffffffda RBX: 00007ffc6b1eef08 RCX: 00007f6a99689fab [ 60.663845][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.671943][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a2f400 [ 60.680193][ T5004] R10: 0000555555a2f6d0 R11: 0000000000000246 R12: 0000000000000000 [ 60.690984][ T5004] R13: 00007ffc6b1ee9a0 R14: 00007f6a997ac9d8 R15: 000000000000000c [ 60.699699][ T5004] [ 60.703715][ T5004] ================================================================================ [ 60.713602][ T5004] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 60.720986][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04259-gc20f9cef725b #0 [ 60.731139][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 60.741268][ T5004] Call Trace: [ 60.744621][ T5004] [ 60.747721][ T5004] dump_stack_lvl+0xd9/0x150 [ 60.752310][ T5004] panic+0x686/0x730 [ 60.756300][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 60.761496][ T5004] ? syslog_print_all+0x3a0/0x3a0 [ 60.766633][ T5004] check_panic_on_warn+0xb1/0xc0 [ 60.771587][ T5004] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 60.777405][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 60.782876][ T5004] alloc_pid+0xbe5/0xdd0 [ 60.787112][ T5004] ? copy_namespaces+0x1e3/0x500 [ 60.792048][ T5004] copy_process+0x4589/0x7620 [ 60.796727][ T5004] ? pidfd_prepare+0x80/0x80 [ 60.801310][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.807288][ T5004] kernel_clone+0xeb/0x890 [ 60.811705][ T5004] ? create_io_thread+0xe0/0xe0 [ 60.816886][ T5004] ? ksys_unshare+0x676/0x920 [ 60.821646][ T5004] ? lock_downgrade+0x690/0x690 [ 60.826771][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 60.831976][ T5004] ? spin_bug+0x1c0/0x1c0 [ 60.836303][ T5004] __do_sys_clone+0xba/0x100 [ 60.840900][ T5004] ? kernel_clone+0x890/0x890 [ 60.845577][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 60.851562][ T5004] do_syscall_64+0x39/0xb0 [ 60.855987][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.861894][ T5004] RIP: 0033:0x7f6a99689fab [ 60.866350][ 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 [ 60.886558][ T5004] RSP: 002b:00007ffc6b1ee8b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.895256][ T5004] RAX: ffffffffffffffda RBX: 00007ffc6b1eef08 RCX: 00007f6a99689fab [ 60.903217][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.911173][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a2f400 [ 60.919308][ T5004] R10: 0000555555a2f6d0 R11: 0000000000000246 R12: 0000000000000000 [ 60.927701][ T5004] R13: 00007ffc6b1ee9a0 R14: 00007f6a997ac9d8 R15: 000000000000000c [ 60.935756][ T5004] [ 60.938876][ T5004] Kernel Offset: disabled [ 60.943262][ T5004] Rebooting in 86400 seconds..