Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. 2023/07/10 12:45:42 fuzzer started 2023/07/10 12:45:42 connecting to host at 10.128.0.169:34895 2023/07/10 12:45:42 checking machine... 2023/07/10 12:45:42 checking revisions... 2023/07/10 12:45:43 testing simple program... syzkaller login: [ 56.206948][ T5001] cgroup: Unknown subsys name 'net' [ 56.311931][ T5001] cgroup: Unknown subsys name 'rlimit' [ 57.644641][ T5001] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.657528][ T4996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4996 'syz-fuzzer' [ 57.765257][ T5004] ================================================================================ [ 57.774794][ T5004] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 57.782416][ T5004] index 1 is out of range for type 'upid [1]' [ 57.789719][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04274-gc628747cc880 #0 [ 57.799786][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 57.810042][ T5004] Call Trace: [ 57.813441][ T5004] [ 57.816651][ T5004] dump_stack_lvl+0x136/0x150 [ 57.821512][ T5004] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 57.827426][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 57.832817][ T5004] alloc_pid+0xbe5/0xdd0 [ 57.837169][ T5004] ? copy_namespaces+0x1e3/0x500 [ 57.842314][ T5004] copy_process+0x4589/0x7620 [ 57.847193][ T5004] ? pidfd_prepare+0x80/0x80 [ 57.851972][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.858328][ T5004] kernel_clone+0xeb/0x890 [ 57.862773][ T5004] ? create_io_thread+0xe0/0xe0 [ 57.867641][ T5004] ? ksys_unshare+0x676/0x920 [ 57.872434][ T5004] ? lock_downgrade+0x690/0x690 [ 57.877392][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 57.882431][ T5004] ? spin_bug+0x1c0/0x1c0 [ 57.886873][ T5004] __do_sys_clone+0xba/0x100 [ 57.891740][ T5004] ? kernel_clone+0x890/0x890 [ 57.896711][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 57.902713][ T5004] do_syscall_64+0x39/0xb0 [ 57.907410][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.913317][ T5004] RIP: 0033:0x7fc0d7289fab [ 57.917897][ 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 [ 57.938233][ T5004] RSP: 002b:00007ffc9c612e40 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.946838][ T5004] RAX: ffffffffffffffda RBX: 00007ffc9c613498 RCX: 00007fc0d7289fab [ 57.954932][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.962921][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555556a8400 [ 57.970989][ T5004] R10: 00005555556a86d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.979139][ T5004] R13: 00007ffc9c612f30 R14: 00007fc0d73ac9d8 R15: 000000000000000c [ 57.987143][ T5004] [ 57.990506][ T5004] ================================================================================ [ 58.000548][ T5004] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 58.007945][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04274-gc628747cc880 #0 [ 58.018112][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 58.028248][ T5004] Call Trace: [ 58.031698][ T5004] [ 58.034723][ T5004] dump_stack_lvl+0xd9/0x150 [ 58.039417][ T5004] panic+0x686/0x730 [ 58.043338][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 58.048547][ T5004] ? syslog_print_all+0x3a0/0x3a0 [ 58.053842][ T5004] check_panic_on_warn+0xb1/0xc0 [ 58.058800][ T5004] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 58.064614][ T5004] ? try_to_take_rt_mutex+0x431/0xb70 [ 58.070024][ T5004] alloc_pid+0xbe5/0xdd0 [ 58.074349][ T5004] ? copy_namespaces+0x1e3/0x500 [ 58.079288][ T5004] copy_process+0x4589/0x7620 [ 58.083984][ T5004] ? pidfd_prepare+0x80/0x80 [ 58.088657][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.094636][ T5004] kernel_clone+0xeb/0x890 [ 58.099061][ T5004] ? create_io_thread+0xe0/0xe0 [ 58.104002][ T5004] ? ksys_unshare+0x676/0x920 [ 58.108843][ T5004] ? lock_downgrade+0x690/0x690 [ 58.113719][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 58.118888][ T5004] ? spin_bug+0x1c0/0x1c0 [ 58.123237][ T5004] __do_sys_clone+0xba/0x100 [ 58.127845][ T5004] ? kernel_clone+0x890/0x890 [ 58.132654][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 58.138668][ T5004] do_syscall_64+0x39/0xb0 [ 58.143127][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.149213][ T5004] RIP: 0033:0x7fc0d7289fab [ 58.153717][ 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 [ 58.174113][ T5004] RSP: 002b:00007ffc9c612e40 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.182996][ T5004] RAX: ffffffffffffffda RBX: 00007ffc9c613498 RCX: 00007fc0d7289fab [ 58.191405][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.199662][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555556a8400 [ 58.207920][ T5004] R10: 00005555556a86d0 R11: 0000000000000246 R12: 0000000000000000 [ 58.216109][ T5004] R13: 00007ffc9c612f30 R14: 00007fc0d73ac9d8 R15: 000000000000000c [ 58.224649][ T5004] [ 58.228281][ T5004] Kernel Offset: disabled [ 58.234257][ T5004] Rebooting in 86400 seconds..