Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. 2023/06/29 06:03:20 fuzzer started 2023/06/29 06:03:20 connecting to host at 10.128.0.169:39069 2023/06/29 06:03:20 checking machine... 2023/06/29 06:03:20 checking revisions... 2023/06/29 06:03:20 testing simple program... syzkaller login: [ 56.155243][ T5005] cgroup: Unknown subsys name 'net' [ 56.265683][ T5005] cgroup: Unknown subsys name 'rlimit' [ 57.611855][ T5005] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.624655][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer' [ 57.730119][ T5007] ================================================================================ [ 57.739672][ T5007] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 57.747724][ T5007] index 1 is out of range for type 'upid [1]' [ 57.754580][ T5007] CPU: 0 PID: 5007 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 57.764678][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.775114][ T5007] Call Trace: [ 57.778410][ T5007] [ 57.781801][ T5007] dump_stack_lvl+0x136/0x150 [ 57.786584][ T5007] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 57.792625][ T5007] ? schedule_timeout+0x241/0x2b0 [ 57.797961][ T5007] alloc_pid+0xbe5/0xdd0 [ 57.802310][ T5007] ? copy_namespaces+0x1e3/0x500 [ 57.807474][ T5007] copy_process+0x4589/0x7620 [ 57.813617][ T5007] ? pidfd_prepare+0x80/0x80 [ 57.818337][ T5007] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 57.824366][ T5007] kernel_clone+0xeb/0x890 [ 57.828830][ T5007] ? create_io_thread+0xe0/0xe0 [ 57.833793][ T5007] ? ksys_unshare+0x676/0x920 [ 57.838485][ T5007] ? lock_downgrade+0x690/0x690 [ 57.843437][ T5007] ? do_raw_spin_lock+0x124/0x2b0 [ 57.848473][ T5007] ? spin_bug+0x1c0/0x1c0 [ 57.852912][ T5007] __do_sys_clone+0xba/0x100 [ 57.857516][ T5007] ? kernel_clone+0x890/0x890 [ 57.862232][ T5007] ? syscall_enter_from_user_mode+0x26/0x80 [ 57.868228][ T5007] do_syscall_64+0x39/0xb0 [ 57.872835][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.879113][ T5007] RIP: 0033:0x7f7854489fab [ 57.883722][ T5007] 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 [ 57.903875][ T5007] RSP: 002b:00007fff1ec1da20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.912392][ T5007] RAX: ffffffffffffffda RBX: 00007fff1ec1e078 RCX: 00007f7854489fab [ 57.920544][ T5007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.929213][ T5007] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555567ab400 [ 57.937723][ T5007] R10: 00005555567ab6d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.945875][ T5007] R13: 00007fff1ec1db10 R14: 00007f78545ac9d8 R15: 000000000000000c [ 57.954154][ T5007] [ 57.957513][ T5007] ================================================================================ [ 57.967170][ T5007] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 57.974365][ T5007] CPU: 0 PID: 5007 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 57.984586][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.994630][ T5007] Call Trace: [ 57.997909][ T5007] [ 58.000936][ T5007] dump_stack_lvl+0xd9/0x150 [ 58.005545][ T5007] panic+0x686/0x730 [ 58.009608][ T5007] ? panic_smp_self_stop+0xa0/0xa0 [ 58.014974][ T5007] ? syslog_print_all+0x3a0/0x3a0 [ 58.020257][ T5007] check_panic_on_warn+0xb1/0xc0 [ 58.025207][ T5007] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 58.031262][ T5007] ? schedule_timeout+0x241/0x2b0 [ 58.036279][ T5007] alloc_pid+0xbe5/0xdd0 [ 58.040511][ T5007] ? copy_namespaces+0x1e3/0x500 [ 58.045618][ T5007] copy_process+0x4589/0x7620 [ 58.050555][ T5007] ? pidfd_prepare+0x80/0x80 [ 58.055168][ T5007] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.061166][ T5007] kernel_clone+0xeb/0x890 [ 58.065789][ T5007] ? create_io_thread+0xe0/0xe0 [ 58.070996][ T5007] ? ksys_unshare+0x676/0x920 [ 58.075949][ T5007] ? lock_downgrade+0x690/0x690 [ 58.080815][ T5007] ? do_raw_spin_lock+0x124/0x2b0 [ 58.085868][ T5007] ? spin_bug+0x1c0/0x1c0 [ 58.090567][ T5007] __do_sys_clone+0xba/0x100 [ 58.095345][ T5007] ? kernel_clone+0x890/0x890 [ 58.100302][ T5007] ? syscall_enter_from_user_mode+0x26/0x80 [ 58.106294][ T5007] do_syscall_64+0x39/0xb0 [ 58.110756][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.117306][ T5007] RIP: 0033:0x7f7854489fab [ 58.121738][ T5007] 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 [ 58.141644][ T5007] RSP: 002b:00007fff1ec1da20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.150340][ T5007] RAX: ffffffffffffffda RBX: 00007fff1ec1e078 RCX: 00007f7854489fab [ 58.158337][ T5007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.166572][ T5007] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555567ab400 [ 58.174736][ T5007] R10: 00005555567ab6d0 R11: 0000000000000246 R12: 0000000000000000 [ 58.183079][ T5007] R13: 00007fff1ec1db10 R14: 00007f78545ac9d8 R15: 000000000000000c [ 58.191805][ T5007] [ 58.195386][ T5007] Kernel Offset: disabled [ 58.199833][ T5007] Rebooting in 86400 seconds..