Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. 2023/07/04 15:40:43 fuzzer started 2023/07/04 15:40:44 connecting to host at 10.128.0.169:33181 2023/07/04 15:40:44 checking machine... 2023/07/04 15:40:44 checking revisions... 2023/07/04 15:40:44 testing simple program... syzkaller login: [ 60.294253][ T5002] cgroup: Unknown subsys name 'net' [ 60.434713][ T5002] cgroup: Unknown subsys name 'rlimit' [ 61.747419][ T5002] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 61.762043][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer' [ 61.873944][ T5004] ================================================================================ [ 61.883560][ T5004] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 61.890789][ T5004] index 1 is out of range for type 'upid [1]' [ 61.897142][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04304-gf7306acec9aa #0 [ 61.907329][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.917478][ T5004] Call Trace: [ 61.920759][ T5004] [ 61.923804][ T5004] dump_stack_lvl+0x136/0x150 [ 61.928848][ T5004] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 61.934847][ T5004] ? down_read_killable+0x4a1/0x4f0 [ 61.940159][ T5004] alloc_pid+0xbe5/0xdd0 [ 61.945834][ T5004] ? copy_namespaces+0x1e3/0x500 [ 61.951154][ T5004] copy_process+0x4589/0x7620 [ 61.956541][ T5004] ? pidfd_prepare+0x80/0x80 [ 61.961156][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.967446][ T5004] kernel_clone+0xeb/0x890 [ 61.971913][ T5004] ? create_io_thread+0xe0/0xe0 [ 61.976774][ T5004] ? ksys_unshare+0x676/0x920 [ 61.981481][ T5004] ? lock_downgrade+0x690/0x690 [ 61.986492][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 61.991621][ T5004] ? spin_bug+0x1c0/0x1c0 [ 61.995963][ T5004] __do_sys_clone+0xba/0x100 [ 62.000645][ T5004] ? kernel_clone+0x890/0x890 [ 62.005611][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 62.011767][ T5004] do_syscall_64+0x39/0xb0 [ 62.016182][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.022071][ T5004] RIP: 0033:0x7fef5bc89fab [ 62.026488][ T5004] 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 [ 62.046722][ T5004] RSP: 002b:00007ffdfd868c50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.055261][ T5004] RAX: ffffffffffffffda RBX: 00007ffdfd8692a8 RCX: 00007fef5bc89fab [ 62.063769][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.071999][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555765400 [ 62.080055][ T5004] R10: 00005555557656d0 R11: 0000000000000246 R12: 0000000000000000 [ 62.088031][ T5004] R13: 00007ffdfd868d40 R14: 00007fef5bdac9d8 R15: 000000000000000c [ 62.096022][ T5004] [ 62.100846][ T5004] ================================================================================ [ 62.110458][ T5004] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 62.118125][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04304-gf7306acec9aa #0 [ 62.128092][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.138482][ T5004] Call Trace: [ 62.141835][ T5004] [ 62.145913][ T5004] dump_stack_lvl+0xd9/0x150 [ 62.150888][ T5004] panic+0x686/0x730 [ 62.154902][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 62.160916][ T5004] ? syslog_print_all+0x3a0/0x3a0 [ 62.166202][ T5004] check_panic_on_warn+0xb1/0xc0 [ 62.171503][ T5004] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 62.177308][ T5004] ? down_read_killable+0x4a1/0x4f0 [ 62.182530][ T5004] alloc_pid+0xbe5/0xdd0 [ 62.186944][ T5004] ? copy_namespaces+0x1e3/0x500 [ 62.191971][ T5004] copy_process+0x4589/0x7620 [ 62.197193][ T5004] ? pidfd_prepare+0x80/0x80 [ 62.201876][ T5004] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.207864][ T5004] kernel_clone+0xeb/0x890 [ 62.212387][ T5004] ? create_io_thread+0xe0/0xe0 [ 62.217437][ T5004] ? ksys_unshare+0x676/0x920 [ 62.222440][ T5004] ? lock_downgrade+0x690/0x690 [ 62.227312][ T5004] ? do_raw_spin_lock+0x124/0x2b0 [ 62.232384][ T5004] ? spin_bug+0x1c0/0x1c0 [ 62.236910][ T5004] __do_sys_clone+0xba/0x100 [ 62.241593][ T5004] ? kernel_clone+0x890/0x890 [ 62.246448][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 62.252800][ T5004] do_syscall_64+0x39/0xb0 [ 62.257798][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.263885][ T5004] RIP: 0033:0x7fef5bc89fab [ 62.268403][ T5004] 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 [ 62.288763][ T5004] RSP: 002b:00007ffdfd868c50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 62.297389][ T5004] RAX: ffffffffffffffda RBX: 00007ffdfd8692a8 RCX: 00007fef5bc89fab [ 62.306422][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 62.314655][ T5004] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555765400 [ 62.323161][ T5004] R10: 00005555557656d0 R11: 0000000000000246 R12: 0000000000000000 [ 62.331541][ T5004] R13: 00007ffdfd868d40 R14: 00007fef5bdac9d8 R15: 000000000000000c [ 62.339979][ T5004] [ 62.343313][ T5004] Kernel Offset: disabled [ 62.347981][ T5004] Rebooting in 86400 seconds..