Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. 2023/07/05 03:24:00 fuzzer started 2023/07/05 03:24:00 connecting to host at 10.128.0.169:36965 2023/07/05 03:24:00 checking machine... 2023/07/05 03:24:00 checking revisions... 2023/07/05 03:24:00 testing simple program... [ 53.425288][ T5002] cgroup: Unknown subsys name 'net' [ 53.532241][ T5002] cgroup: Unknown subsys name 'rlimit' [ 54.871364][ T5002] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 54.884215][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer' [ 54.992541][ T5004] ================================================================================ [ 55.002289][ T5004] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 55.009570][ T5004] index 1 is out of range for type 'upid [1]' [ 55.015645][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04259-gc20f9cef725b #0 [ 55.025716][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 55.035787][ T5004] Call Trace: [ 55.039063][ T5004] [ 55.042073][ T5004] dump_stack_lvl+0x136/0x150 [ 55.046767][ T5004] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 55.052755][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 55.058147][ T5004] alloc_pid+0xbe5/0xdd0 [ 55.062395][ T5004] ? copy_namespaces+0x1e3/0x500 [ 55.067779][ T5004] copy_process+0x4589/0x7620 [ 55.072481][ T5004] ? pidfd_prepare+0x80/0x80 [ 55.077096][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 55.083288][ T5004] kernel_clone+0xeb/0x890 [ 55.087821][ T5004] ? create_io_thread+0xe0/0xe0 [ 55.092731][ T5004] ? ksys_unshare+0x676/0x920 [ 55.097432][ T5004] ? lock_downgrade+0x690/0x690 [ 55.102303][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 55.107438][ T5004] ? spin_bug+0x1c0/0x1c0 [ 55.111786][ T5004] __do_sys_clone+0xba/0x100 [ 55.116479][ T5004] ? kernel_clone+0x890/0x890 [ 55.121180][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 55.127088][ T5004] do_syscall_64+0x39/0xb0 [ 55.131518][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.137970][ T5004] RIP: 0033:0x7ffa4e289fab [ 55.142467][ 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 [ 55.162801][ T5004] RSP: 002b:00007ffe135a4d70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.171232][ T5004] RAX: ffffffffffffffda RBX: 00007ffe135a53c8 RCX: 00007ffa4e289fab [ 55.179388][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 55.187536][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555562d400 [ 55.195512][ T5004] R10: 000055555562d6d0 R11: 0000000000000246 R12: 0000000000000000 [ 55.203572][ T5004] R13: 00007ffe135a4e60 R14: 00007ffa4e3ac9d8 R15: 000000000000000c [ 55.211654][ T5004] [ 55.215541][ T5004] ================================================================================ [ 55.225182][ T5004] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 55.232380][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04259-gc20f9cef725b #0 [ 55.242433][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 55.252647][ T5004] Call Trace: [ 55.256001][ T5004] [ 55.258920][ T5004] dump_stack_lvl+0xd9/0x150 [ 55.263517][ T5004] panic+0x686/0x730 [ 55.267405][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 55.272507][ T5004] ? syslog_print_all+0x3a0/0x3a0 [ 55.277624][ T5004] check_panic_on_warn+0xb1/0xc0 [ 55.282641][ T5004] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 55.288436][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 55.293800][ T5004] alloc_pid+0xbe5/0xdd0 [ 55.298039][ T5004] ? copy_namespaces+0x1e3/0x500 [ 55.303145][ T5004] copy_process+0x4589/0x7620 [ 55.307994][ T5004] ? pidfd_prepare+0x80/0x80 [ 55.312754][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 55.318850][ T5004] kernel_clone+0xeb/0x890 [ 55.323341][ T5004] ? create_io_thread+0xe0/0xe0 [ 55.328195][ T5004] ? ksys_unshare+0x676/0x920 [ 55.332969][ T5004] ? lock_downgrade+0x690/0x690 [ 55.337920][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 55.342959][ T5004] ? spin_bug+0x1c0/0x1c0 [ 55.347303][ T5004] __do_sys_clone+0xba/0x100 [ 55.352092][ T5004] ? kernel_clone+0x890/0x890 [ 55.356787][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 55.362962][ T5004] do_syscall_64+0x39/0xb0 [ 55.367564][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.373465][ T5004] RIP: 0033:0x7ffa4e289fab [ 55.377884][ 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 [ 55.397498][ T5004] RSP: 002b:00007ffe135a4d70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.405913][ T5004] RAX: ffffffffffffffda RBX: 00007ffe135a53c8 RCX: 00007ffa4e289fab [ 55.413890][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 55.421952][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555562d400 [ 55.429927][ T5004] R10: 000055555562d6d0 R11: 0000000000000246 R12: 0000000000000000 [ 55.437905][ T5004] R13: 00007ffe135a4e60 R14: 00007ffa4e3ac9d8 R15: 000000000000000c [ 55.445990][ T5004] [ 55.449115][ T5004] Kernel Offset: disabled [ 55.453590][ T5004] Rebooting in 86400 seconds..