Warning: Permanently added '10.128.1.176' (ECDSA) to the list of known hosts. 2023/06/30 11:42:53 fuzzer started 2023/06/30 11:42:54 connecting to host at 10.128.0.169:34885 2023/06/30 11:42:54 checking machine... 2023/06/30 11:42:54 checking revisions... 2023/06/30 11:42:54 testing simple program... syzkaller login: [ 55.125938][ T5007] cgroup: Unknown subsys name 'net' [ 55.238231][ T5007] cgroup: Unknown subsys name 'rlimit' [ 56.588790][ T5007] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 56.602144][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer' [ 56.711614][ T5009] ================================================================================ [ 56.721252][ T5009] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 56.728434][ T5009] index 1 is out of range for type 'upid [1]' [ 56.734588][ T5009] CPU: 1 PID: 5009 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 56.744760][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.755087][ T5009] Call Trace: [ 56.758470][ T5009] [ 56.761493][ T5009] dump_stack_lvl+0x136/0x150 [ 56.766215][ T5009] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 56.772043][ T5009] ? schedule_timeout+0x241/0x2b0 [ 56.777539][ T5009] alloc_pid+0xbe5/0xdd0 [ 56.782081][ T5009] ? copy_namespaces+0x1e3/0x500 [ 56.787260][ T5009] copy_process+0x4589/0x7620 [ 56.792008][ T5009] ? pidfd_prepare+0x80/0x80 [ 56.796752][ T5009] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 56.802798][ T5009] kernel_clone+0xeb/0x890 [ 56.807430][ T5009] ? create_io_thread+0xe0/0xe0 [ 56.812837][ T5009] ? ksys_unshare+0x676/0x920 [ 56.817872][ T5009] ? lock_downgrade+0x690/0x690 [ 56.823230][ T5009] ? do_raw_spin_lock+0x124/0x2b0 [ 56.828419][ T5009] ? spin_bug+0x1c0/0x1c0 [ 56.832772][ T5009] __do_sys_clone+0xba/0x100 [ 56.837637][ T5009] ? kernel_clone+0x890/0x890 [ 56.842425][ T5009] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.848341][ T5009] do_syscall_64+0x39/0xb0 [ 56.852953][ T5009] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.859065][ T5009] RIP: 0033:0x7f7713e89fab [ 56.863513][ T5009] 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 [ 56.884104][ T5009] RSP: 002b:00007fffc664a110 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.892639][ T5009] RAX: ffffffffffffffda RBX: 00007fffc664a768 RCX: 00007f7713e89fab [ 56.906116][ T5009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 56.914105][ T5009] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555557d1400 [ 56.922168][ T5009] R10: 00005555557d16d0 R11: 0000000000000246 R12: 0000000000000000 [ 56.930236][ T5009] R13: 00007fffc664a200 R14: 00007f7713fac9d8 R15: 000000000000000c [ 56.938411][ T5009] [ 56.943146][ T5009] ================================================================================ [ 56.952626][ T5009] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.959806][ T5009] CPU: 0 PID: 5009 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 56.969874][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.980203][ T5009] Call Trace: [ 56.983743][ T5009] [ 56.986733][ T5009] dump_stack_lvl+0xd9/0x150 [ 56.991780][ T5009] panic+0x686/0x730 [ 56.995791][ T5009] ? panic_smp_self_stop+0xa0/0xa0 [ 57.001043][ T5009] ? syslog_print_all+0x3a0/0x3a0 [ 57.006198][ T5009] check_panic_on_warn+0xb1/0xc0 [ 57.011142][ T5009] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 57.017052][ T5009] ? schedule_timeout+0x241/0x2b0 [ 57.022270][ T5009] alloc_pid+0xbe5/0xdd0 [ 57.026599][ T5009] ? copy_namespaces+0x1e3/0x500 [ 57.031707][ T5009] copy_process+0x4589/0x7620 [ 57.036385][ T5009] ? pidfd_prepare+0x80/0x80 [ 57.041144][ T5009] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.047149][ T5009] kernel_clone+0xeb/0x890 [ 57.051593][ T5009] ? create_io_thread+0xe0/0xe0 [ 57.056452][ T5009] ? ksys_unshare+0x676/0x920 [ 57.061128][ T5009] ? lock_downgrade+0x690/0x690 [ 57.065975][ T5009] ? do_raw_spin_lock+0x124/0x2b0 [ 57.071082][ T5009] ? spin_bug+0x1c0/0x1c0 [ 57.075430][ T5009] __do_sys_clone+0xba/0x100 [ 57.080031][ T5009] ? kernel_clone+0x890/0x890 [ 57.084902][ T5009] ? syscall_enter_from_user_mode+0x26/0x80 [ 57.090997][ T5009] do_syscall_64+0x39/0xb0 [ 57.095416][ T5009] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.101322][ T5009] RIP: 0033:0x7f7713e89fab [ 57.106036][ T5009] 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 [ 57.126351][ T5009] RSP: 002b:00007fffc664a110 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.135021][ T5009] RAX: ffffffffffffffda RBX: 00007fffc664a768 RCX: 00007f7713e89fab [ 57.142984][ T5009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.151117][ T5009] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555557d1400 [ 57.159370][ T5009] R10: 00005555557d16d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.167433][ T5009] R13: 00007fffc664a200 R14: 00007f7713fac9d8 R15: 000000000000000c [ 57.175515][ T5009] [ 57.178922][ T5009] Kernel Offset: disabled [ 57.183330][ T5009] Rebooting in 86400 seconds..