Warning: Permanently added '10.128.1.157' (ECDSA) to the list of known hosts. 2023/06/30 13:42:03 fuzzer started 2023/06/30 13:42:03 connecting to host at 10.128.0.169:40999 2023/06/30 13:42:03 checking machine... 2023/06/30 13:42:03 checking revisions... 2023/06/30 13:42:04 testing simple program... syzkaller login: [ 56.074923][ T5006] cgroup: Unknown subsys name 'net' [ 56.179516][ T5006] cgroup: Unknown subsys name 'rlimit' [ 57.578332][ T5006] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.591675][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-fuzzer' [ 57.698747][ T5008] ================================================================================ [ 57.708238][ T5008] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 57.715649][ T5008] index 1 is out of range for type 'upid [1]' [ 57.721998][ T5008] CPU: 1 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 57.731995][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.742254][ T5008] Call Trace: [ 57.745629][ T5008] [ 57.748598][ T5008] dump_stack_lvl+0x136/0x150 [ 57.753310][ T5008] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 57.759127][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 57.764687][ T5008] alloc_pid+0xbe5/0xdd0 [ 57.769029][ T5008] ? copy_namespaces+0x1e3/0x500 [ 57.773968][ T5008] copy_process+0x4589/0x7620 [ 57.778654][ T5008] ? pidfd_prepare+0x80/0x80 [ 57.783515][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.789546][ T5008] kernel_clone+0xeb/0x890 [ 57.793980][ T5008] ? create_io_thread+0xe0/0xe0 [ 57.798855][ T5008] ? ksys_unshare+0x676/0x920 [ 57.803548][ T5008] ? lock_downgrade+0x690/0x690 [ 57.808416][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 57.813458][ T5008] ? spin_bug+0x1c0/0x1c0 [ 57.817859][ T5008] __do_sys_clone+0xba/0x100 [ 57.822538][ T5008] ? kernel_clone+0x890/0x890 [ 57.827354][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 57.833542][ T5008] do_syscall_64+0x39/0xb0 [ 57.838082][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.844007][ T5008] RIP: 0033:0x7f2ced289fab [ 57.848432][ 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 [ 57.869456][ T5008] RSP: 002b:00007fff882814f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.877995][ T5008] RAX: ffffffffffffffda RBX: 00007fff88281b48 RCX: 00007f2ced289fab [ 57.886149][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.894219][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556556400 [ 57.902856][ T5008] R10: 00005555565566d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.911186][ T5008] R13: 00007fff882815e0 R14: 00007f2ced3ac9d8 R15: 000000000000000c [ 57.919531][ T5008] [ 57.922753][ T5008] ================================================================================ [ 57.933677][ T5008] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 57.941014][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 57.952225][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.962540][ T5008] Call Trace: [ 57.965820][ T5008] [ 57.969091][ T5008] dump_stack_lvl+0xd9/0x150 [ 57.973686][ T5008] panic+0x686/0x730 [ 57.977673][ T5008] ? panic_smp_self_stop+0xa0/0xa0 [ 57.982871][ T5008] ? syslog_print_all+0x3a0/0x3a0 [ 57.988621][ T5008] check_panic_on_warn+0xb1/0xc0 [ 57.993741][ T5008] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 58.000700][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 58.006375][ T5008] alloc_pid+0xbe5/0xdd0 [ 58.010721][ T5008] ? copy_namespaces+0x1e3/0x500 [ 58.015858][ T5008] copy_process+0x4589/0x7620 [ 58.020931][ T5008] ? pidfd_prepare+0x80/0x80 [ 58.026931][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.033190][ T5008] kernel_clone+0xeb/0x890 [ 58.037609][ T5008] ? create_io_thread+0xe0/0xe0 [ 58.042458][ T5008] ? ksys_unshare+0x676/0x920 [ 58.047332][ T5008] ? lock_downgrade+0x690/0x690 [ 58.052229][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 58.057359][ T5008] ? spin_bug+0x1c0/0x1c0 [ 58.061832][ T5008] __do_sys_clone+0xba/0x100 [ 58.066545][ T5008] ? kernel_clone+0x890/0x890 [ 58.071442][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 58.077723][ T5008] do_syscall_64+0x39/0xb0 [ 58.082429][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.088867][ T5008] RIP: 0033:0x7f2ced289fab [ 58.093309][ 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 [ 58.113981][ T5008] RSP: 002b:00007fff882814f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.122689][ T5008] RAX: ffffffffffffffda RBX: 00007fff88281b48 RCX: 00007f2ced289fab [ 58.130758][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.139358][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556556400 [ 58.147511][ T5008] R10: 00005555565566d0 R11: 0000000000000246 R12: 0000000000000000 [ 58.155522][ T5008] R13: 00007fff882815e0 R14: 00007f2ced3ac9d8 R15: 000000000000000c [ 58.164355][ T5008] [ 58.167763][ T5008] Kernel Offset: disabled [ 58.172166][ T5008] Rebooting in 86400 seconds..