Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. 2023/06/30 05:04:18 fuzzer started 2023/06/30 05:04:18 connecting to host at 10.128.0.169:34035 2023/06/30 05:04:18 checking machine... 2023/06/30 05:04:18 checking revisions... 2023/06/30 05:04:18 testing simple program... syzkaller login: [ 60.114698][ T5006] cgroup: Unknown subsys name 'net' [ 60.234803][ T5006] cgroup: Unknown subsys name 'rlimit' [ 61.564510][ T5006] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 61.576821][ T5003] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5003 'syz-fuzzer' [ 61.682983][ T5008] ================================================================================ [ 61.692618][ T5008] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 61.700112][ T5008] index 1 is out of range for type 'upid [1]' [ 61.706351][ T5008] CPU: 1 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 61.716676][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.726806][ T5008] Call Trace: [ 61.730261][ T5008] <TASK> [ 61.733530][ T5008] dump_stack_lvl+0x136/0x150 [ 61.738315][ T5008] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 61.744110][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 61.749658][ T5008] alloc_pid+0xbe5/0xdd0 [ 61.753978][ T5008] ? copy_namespaces+0x1e3/0x500 [ 61.758914][ T5008] copy_process+0x4589/0x7620 [ 61.763771][ T5008] ? pidfd_prepare+0x80/0x80 [ 61.768443][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.774616][ T5008] kernel_clone+0xeb/0x890 [ 61.779147][ T5008] ? create_io_thread+0xe0/0xe0 [ 61.784037][ T5008] ? ksys_unshare+0x676/0x920 [ 61.788736][ T5008] ? lock_downgrade+0x690/0x690 [ 61.793782][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 61.798823][ T5008] ? spin_bug+0x1c0/0x1c0 [ 61.803169][ T5008] __do_sys_clone+0xba/0x100 [ 61.807783][ T5008] ? kernel_clone+0x890/0x890 [ 61.812479][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 61.818388][ T5008] do_syscall_64+0x39/0xb0 [ 61.823099][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.829289][ T5008] RIP: 0033:0x7f907be89fab [ 61.833714][ T5008] 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 [ 61.853351][ T5008] RSP: 002b:00007ffc1c564ea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.862037][ T5008] RAX: ffffffffffffffda RBX: 00007ffc1c5654f8 RCX: 00007f907be89fab [ 61.870018][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 61.878360][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555566cd400 [ 61.886879][ T5008] R10: 00005555566cd6d0 R11: 0000000000000246 R12: 0000000000000000 [ 61.895298][ T5008] R13: 00007ffc1c564f90 R14: 00007f907bfac9d8 R15: 000000000000000c [ 61.903484][ T5008] </TASK> [ 61.906866][ T5008] ================================================================================ [ 61.916172][ T5008] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 61.923544][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 61.933613][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.943754][ T5008] Call Trace: [ 61.947119][ T5008] <TASK> [ 61.950127][ T5008] dump_stack_lvl+0xd9/0x150 [ 61.954841][ T5008] panic+0x686/0x730 [ 61.958747][ T5008] ? panic_smp_self_stop+0xa0/0xa0 [ 61.963869][ T5008] ? syslog_print_all+0x3a0/0x3a0 [ 61.968907][ T5008] check_panic_on_warn+0xb1/0xc0 [ 61.973849][ T5008] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 61.980085][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 61.985892][ T5008] alloc_pid+0xbe5/0xdd0 [ 61.990218][ T5008] ? copy_namespaces+0x1e3/0x500 [ 61.995150][ T5008] copy_process+0x4589/0x7620 [ 61.999827][ T5008] ? pidfd_prepare+0x80/0x80 [ 62.004755][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.010740][ T5008] kernel_clone+0xeb/0x890 [ 62.015237][ T5008] ? create_io_thread+0xe0/0xe0 [ 62.020166][ T5008] ? ksys_unshare+0x676/0x920 [ 62.025186][ T5008] ? lock_downgrade+0x690/0x690 [ 62.030133][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 62.035179][ T5008] ? spin_bug+0x1c0/0x1c0 [ 62.039515][ T5008] __do_sys_clone+0xba/0x100 [ 62.044198][ T5008] ? kernel_clone+0x890/0x890 [ 62.048970][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 62.054947][ T5008] do_syscall_64+0x39/0xb0 [ 62.059362][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.065434][ T5008] RIP: 0033:0x7f907be89fab [ 62.069954][ T5008] 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 [ 62.089824][ T5008] RSP: 002b:00007ffc1c564ea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.098409][ T5008] RAX: ffffffffffffffda RBX: 00007ffc1c5654f8 RCX: 00007f907be89fab [ 62.106461][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.114503][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555566cd400 [ 62.122554][ T5008] R10: 00005555566cd6d0 R11: 0000000000000246 R12: 0000000000000000 [ 62.130692][ T5008] R13: 00007ffc1c564f90 R14: 00007f907bfac9d8 R15: 000000000000000c [ 62.138750][ T5008] </TASK> [ 62.142049][ T5008] Kernel Offset: disabled [ 62.146427][ T5008] Rebooting in 86400 seconds..