Warning: Permanently added '10.128.1.187' (ECDSA) to the list of known hosts. 2023/06/30 12:06:32 fuzzer started 2023/06/30 12:06:32 connecting to host at 10.128.0.169:37079 2023/06/30 12:06:32 checking machine... 2023/06/30 12:06:32 checking revisions... 2023/06/30 12:06:32 testing simple program... syzkaller login: [ 52.185173][ T5006] cgroup: Unknown subsys name 'net' [ 52.321288][ T5006] cgroup: Unknown subsys name 'rlimit' [ 53.639059][ T5006] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 53.651855][ T5004] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5004 'syz-fuzzer' [ 53.756129][ T5008] ================================================================================ [ 53.766545][ T5008] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 53.773766][ T5008] index 1 is out of range for type 'upid [1]' [ 53.780267][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 53.790964][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 53.801530][ T5008] Call Trace: [ 53.804908][ T5008] [ 53.808117][ T5008] dump_stack_lvl+0x136/0x150 [ 53.813089][ T5008] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 53.819804][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 53.825620][ T5008] alloc_pid+0xbe5/0xdd0 [ 53.830240][ T5008] ? copy_namespaces+0x1e3/0x500 [ 53.835194][ T5008] copy_process+0x4589/0x7620 [ 53.839892][ T5008] ? pidfd_prepare+0x80/0x80 [ 53.844497][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 53.850501][ T5008] kernel_clone+0xeb/0x890 [ 53.854934][ T5008] ? create_io_thread+0xe0/0xe0 [ 53.859975][ T5008] ? ksys_unshare+0x676/0x920 [ 53.864666][ T5008] ? lock_downgrade+0x690/0x690 [ 53.870306][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 53.875362][ T5008] ? spin_bug+0x1c0/0x1c0 [ 53.879702][ T5008] __do_sys_clone+0xba/0x100 [ 53.884368][ T5008] ? kernel_clone+0x890/0x890 [ 53.889062][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 53.894966][ T5008] do_syscall_64+0x39/0xb0 [ 53.899397][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.905302][ T5008] RIP: 0033:0x7f9885489fab [ 53.910243][ 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 [ 53.929856][ T5008] RSP: 002b:00007fff9c3259a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.938651][ T5008] RAX: ffffffffffffffda RBX: 00007fff9c325ff8 RCX: 00007f9885489fab [ 53.946709][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 53.954771][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555568a3400 [ 53.962826][ T5008] R10: 00005555568a36d0 R11: 0000000000000246 R12: 0000000000000000 [ 53.970798][ T5008] R13: 00007fff9c325a90 R14: 00007f98855ac9d8 R15: 000000000000000c [ 53.978789][ T5008] [ 53.982184][ T5008] ================================================================================ [ 53.991670][ T5008] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 53.999039][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04282-g08fc75735fda #0 [ 54.009102][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 54.019140][ T5008] Call Trace: [ 54.022413][ T5008] [ 54.025378][ T5008] dump_stack_lvl+0xd9/0x150 [ 54.030019][ T5008] panic+0x686/0x730 [ 54.034168][ T5008] ? panic_smp_self_stop+0xa0/0xa0 [ 54.039533][ T5008] ? syslog_print_all+0x3a0/0x3a0 [ 54.044648][ T5008] check_panic_on_warn+0xb1/0xc0 [ 54.049664][ T5008] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 54.055469][ T5008] ? __rt_mutex_futex_unlock+0x81/0x1f0 [ 54.061005][ T5008] alloc_pid+0xbe5/0xdd0 [ 54.065321][ T5008] ? copy_namespaces+0x1e3/0x500 [ 54.070250][ T5008] copy_process+0x4589/0x7620 [ 54.074949][ T5008] ? pidfd_prepare+0x80/0x80 [ 54.079548][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.085527][ T5008] kernel_clone+0xeb/0x890 [ 54.089936][ T5008] ? create_io_thread+0xe0/0xe0 [ 54.094790][ T5008] ? ksys_unshare+0x676/0x920 [ 54.099480][ T5008] ? lock_downgrade+0x690/0x690 [ 54.104338][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 54.109374][ T5008] ? spin_bug+0x1c0/0x1c0 [ 54.113808][ T5008] __do_sys_clone+0xba/0x100 [ 54.118428][ T5008] ? kernel_clone+0x890/0x890 [ 54.123138][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 54.129040][ T5008] do_syscall_64+0x39/0xb0 [ 54.133466][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.139371][ T5008] RIP: 0033:0x7f9885489fab [ 54.143796][ 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 [ 54.163842][ T5008] RSP: 002b:00007fff9c3259a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.172437][ T5008] RAX: ffffffffffffffda RBX: 00007fff9c325ff8 RCX: 00007f9885489fab [ 54.180594][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 54.188588][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555568a3400 [ 54.196562][ T5008] R10: 00005555568a36d0 R11: 0000000000000246 R12: 0000000000000000 [ 54.204628][ T5008] R13: 00007fff9c325a90 R14: 00007f98855ac9d8 R15: 000000000000000c [ 54.214361][ T5008] [ 54.217941][ T5008] Kernel Offset: disabled [ 54.222439][ T5008] Rebooting in 86400 seconds..