Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. 2023/07/01 04:16:01 fuzzer started 2023/07/01 04:16:01 connecting to host at 10.128.0.169:35885 2023/07/01 04:16:01 checking machine... 2023/07/01 04:16:01 checking revisions... 2023/07/01 04:16:01 testing simple program... syzkaller login: [ 60.323140][ T5001] cgroup: Unknown subsys name 'net' [ 60.425436][ T5001] cgroup: Unknown subsys name 'rlimit' [ 61.805836][ T5001] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 61.819242][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-fuzzer' [ 61.930480][ T5003] ================================================================================ [ 61.940346][ T5003] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 61.947978][ T5003] index 1 is out of range for type 'upid [1]' [ 61.955009][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 61.966129][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.976977][ T5003] Call Trace: [ 61.980446][ T5003] [ 61.983828][ T5003] dump_stack_lvl+0x136/0x150 [ 61.988747][ T5003] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 61.995082][ T5003] ? down_read_killable+0x4a1/0x4f0 [ 62.000320][ T5003] alloc_pid+0xbe5/0xdd0 [ 62.004662][ T5003] ? copy_namespaces+0x1e3/0x500 [ 62.009629][ T5003] copy_process+0x4589/0x7620 [ 62.014569][ T5003] ? pidfd_prepare+0x80/0x80 [ 62.019378][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.025768][ T5003] kernel_clone+0xeb/0x890 [ 62.030495][ T5003] ? create_io_thread+0xe0/0xe0 [ 62.035387][ T5003] ? ksys_unshare+0x676/0x920 [ 62.040184][ T5003] ? lock_downgrade+0x690/0x690 [ 62.045762][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 62.051306][ T5003] ? spin_bug+0x1c0/0x1c0 [ 62.056352][ T5003] __do_sys_clone+0xba/0x100 [ 62.061609][ T5003] ? kernel_clone+0x890/0x890 [ 62.066524][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 62.072684][ T5003] do_syscall_64+0x39/0xb0 [ 62.078008][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.084218][ T5003] RIP: 0033:0x7fcfbfe89fab [ 62.088785][ 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 [ 62.110569][ T5003] RSP: 002b:00007fff64e16170 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.119270][ T5003] RAX: ffffffffffffffda RBX: 00007fff64e167c8 RCX: 00007fcfbfe89fab [ 62.128311][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.136573][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555b81400 [ 62.145360][ T5003] R10: 0000555555b816d0 R11: 0000000000000246 R12: 0000000000000000 [ 62.154098][ T5003] R13: 00007fff64e16260 R14: 00007fcfbffac9d8 R15: 000000000000000c [ 62.162121][ T5003] [ 62.165669][ T5003] ================================================================================ [ 62.175792][ T5003] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 62.182990][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 62.193573][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.204003][ T5003] Call Trace: [ 62.207526][ T5003] [ 62.210565][ T5003] dump_stack_lvl+0xd9/0x150 [ 62.215533][ T5003] panic+0x686/0x730 [ 62.219450][ T5003] ? panic_smp_self_stop+0xa0/0xa0 [ 62.224923][ T5003] ? syslog_print_all+0x3a0/0x3a0 [ 62.230221][ T5003] check_panic_on_warn+0xb1/0xc0 [ 62.235289][ T5003] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 62.241464][ T5003] ? down_read_killable+0x4a1/0x4f0 [ 62.246719][ T5003] alloc_pid+0xbe5/0xdd0 [ 62.251186][ T5003] ? copy_namespaces+0x1e3/0x500 [ 62.256384][ T5003] copy_process+0x4589/0x7620 [ 62.261707][ T5003] ? pidfd_prepare+0x80/0x80 [ 62.267313][ T5003] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.273497][ T5003] kernel_clone+0xeb/0x890 [ 62.277932][ T5003] ? create_io_thread+0xe0/0xe0 [ 62.282934][ T5003] ? ksys_unshare+0x676/0x920 [ 62.287983][ T5003] ? lock_downgrade+0x690/0x690 [ 62.293279][ T5003] ? do_raw_spin_lock+0x124/0x2b0 [ 62.298682][ T5003] ? spin_bug+0x1c0/0x1c0 [ 62.303559][ T5003] __do_sys_clone+0xba/0x100 [ 62.308509][ T5003] ? kernel_clone+0x890/0x890 [ 62.314310][ T5003] ? syscall_enter_from_user_mode+0x26/0x80 [ 62.320622][ T5003] do_syscall_64+0x39/0xb0 [ 62.325437][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.332039][ T5003] RIP: 0033:0x7fcfbfe89fab [ 62.336657][ 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 [ 62.358690][ T5003] RSP: 002b:00007fff64e16170 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.367592][ T5003] RAX: ffffffffffffffda RBX: 00007fff64e167c8 RCX: 00007fcfbfe89fab [ 62.376373][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.384887][ T5003] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555b81400 [ 62.393755][ T5003] R10: 0000555555b816d0 R11: 0000000000000246 R12: 0000000000000000 [ 62.402803][ T5003] R13: 00007fff64e16260 R14: 00007fcfbffac9d8 R15: 000000000000000c [ 62.412023][ T5003] [ 62.415425][ T5003] Kernel Offset: disabled [ 62.420101][ T5003] Rebooting in 86400 seconds..