Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. 2023/07/03 17:57:17 fuzzer started 2023/07/03 17:57:18 connecting to host at 10.128.0.169:34763 2023/07/03 17:57:18 checking machine... 2023/07/03 17:57:18 checking revisions... 2023/07/03 17:57:18 testing simple program... syzkaller login: [ 54.583974][ T5001] cgroup: Unknown subsys name 'net' [ 54.725028][ T5001] cgroup: Unknown subsys name 'rlimit' [ 56.048767][ T5001] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 56.061937][ T4995] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4995 'syz-fuzzer' [ 56.169046][ T5003] ================================================================================ [ 56.178944][ T5003] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 56.186147][ T5003] index 1 is out of range for type 'upid [1]' [ 56.192851][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04302-gacd9755894c9 #0 [ 56.202833][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.213085][ T5003] Call Trace: [ 56.216404][ T5003] [ 56.219380][ T5003] dump_stack_lvl+0x136/0x150 [ 56.224329][ T5003] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 56.230160][ T5003] ? down_read_killable+0x4a1/0x4f0 [ 56.235387][ T5003] alloc_pid+0xbe5/0xdd0 [ 56.239643][ T5003] ? copy_namespaces+0x1e3/0x500 [ 56.244621][ T5003] copy_process+0x4589/0x7620 [ 56.249520][ T5003] ? pidfd_prepare+0x80/0x80 [ 56.254169][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 56.260278][ T5003] kernel_clone+0xeb/0x890 [ 56.265680][ T5003] ? create_io_thread+0xe0/0xe0 [ 56.270546][ T5003] ? ksys_unshare+0x676/0x920 [ 56.275325][ T5003] ? lock_downgrade+0x690/0x690 [ 56.280885][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 56.286010][ T5003] ? spin_bug+0x1c0/0x1c0 [ 56.290627][ T5003] __do_sys_clone+0xba/0x100 [ 56.295426][ T5003] ? kernel_clone+0x890/0x890 [ 56.301105][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.308509][ T5003] do_syscall_64+0x39/0xb0 [ 56.313056][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.319166][ T5003] RIP: 0033:0x7fa1cda89fab [ 56.325270][ 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 [ 56.345879][ T5003] RSP: 002b:00007fff60006080 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.354613][ T5003] RAX: ffffffffffffffda RBX: 00007fff600066d8 RCX: 00007fa1cda89fab [ 56.363199][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 56.371173][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555575d400 [ 56.379510][ T5003] R10: 000055555575d6d0 R11: 0000000000000246 R12: 0000000000000000 [ 56.387777][ T5003] R13: 00007fff60006170 R14: 00007fa1cdbac9d8 R15: 000000000000000c [ 56.395983][ T5003] [ 56.399761][ T5003] ================================================================================ [ 56.409360][ T5003] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.416802][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04302-gacd9755894c9 #0 [ 56.426873][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.437025][ T5003] Call Trace: [ 56.440559][ T5003] [ 56.443538][ T5003] dump_stack_lvl+0xd9/0x150 [ 56.448219][ T5003] panic+0x686/0x730 [ 56.452202][ T5003] ? panic_smp_self_stop+0xa0/0xa0 [ 56.457401][ T5003] ? syslog_print_all+0x3a0/0x3a0 [ 56.462538][ T5003] check_panic_on_warn+0xb1/0xc0 [ 56.467507][ T5003] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 56.473424][ T5003] ? down_read_killable+0x4a1/0x4f0 [ 56.478725][ T5003] alloc_pid+0xbe5/0xdd0 [ 56.483342][ T5003] ? copy_namespaces+0x1e3/0x500 [ 56.488911][ T5003] copy_process+0x4589/0x7620 [ 56.493683][ T5003] ? pidfd_prepare+0x80/0x80 [ 56.498301][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 56.504469][ T5003] kernel_clone+0xeb/0x890 [ 56.508987][ T5003] ? create_io_thread+0xe0/0xe0 [ 56.514126][ T5003] ? ksys_unshare+0x676/0x920 [ 56.519522][ T5003] ? lock_downgrade+0x690/0x690 [ 56.524563][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 56.529794][ T5003] ? spin_bug+0x1c0/0x1c0 [ 56.534156][ T5003] __do_sys_clone+0xba/0x100 [ 56.539027][ T5003] ? kernel_clone+0x890/0x890 [ 56.543829][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.550524][ T5003] do_syscall_64+0x39/0xb0 [ 56.555047][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.561830][ T5003] RIP: 0033:0x7fa1cda89fab [ 56.566322][ 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 [ 56.586040][ T5003] RSP: 002b:00007fff60006080 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.594578][ T5003] RAX: ffffffffffffffda RBX: 00007fff600066d8 RCX: 00007fa1cda89fab [ 56.602672][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 56.610738][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555575d400 [ 56.618989][ T5003] R10: 000055555575d6d0 R11: 0000000000000246 R12: 0000000000000000 [ 56.627066][ T5003] R13: 00007fff60006170 R14: 00007fa1cdbac9d8 R15: 000000000000000c [ 56.635156][ T5003] [ 56.638690][ T5003] Kernel Offset: disabled [ 56.643162][ T5003] Rebooting in 86400 seconds..