DUID 00:04:bf:e1:a4:b2:b1:2b:3d:59:87:c9:47:74:aa:d6:f6:6a no interfaces have a carrier [ 36.729395][ T4676] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.742322][ T4676] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.175' (ECDSA) to the list of known hosts. 2023/06/30 11:42:59 fuzzer started 2023/06/30 11:42:59 connecting to host at 10.128.0.169:37611 2023/06/30 11:42:59 checking machine... 2023/06/30 11:42:59 checking revisions... 2023/06/30 11:42:59 testing simple program... syzkaller login: [ 59.224762][ T5005] cgroup: Unknown subsys name 'net' [ 59.326382][ T5005] cgroup: Unknown subsys name 'rlimit' [ 60.729222][ T5005] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 60.743492][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-fuzzer' [ 60.863037][ T5007] ================================================================================ [ 60.873103][ T5007] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 60.881017][ T5007] index 1 is out of range for type 'upid [1]' [ 60.887188][ T5007] CPU: 1 PID: 5007 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 60.897250][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 60.907886][ T5007] Call Trace: [ 60.911168][ T5007] [ 60.914188][ T5007] dump_stack_lvl+0x136/0x150 [ 60.919093][ T5007] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 60.925196][ T5007] ? schedule_timeout+0x241/0x2b0 [ 60.930586][ T5007] alloc_pid+0xbe5/0xdd0 [ 60.934872][ T5007] ? copy_namespaces+0x1e3/0x500 [ 60.939910][ T5007] copy_process+0x4589/0x7620 [ 60.944690][ T5007] ? pidfd_prepare+0x80/0x80 [ 60.949297][ T5007] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.955428][ T5007] kernel_clone+0xeb/0x890 [ 60.960139][ T5007] ? create_io_thread+0xe0/0xe0 [ 60.965044][ T5007] ? ksys_unshare+0x676/0x920 [ 60.969960][ T5007] ? lock_downgrade+0x690/0x690 [ 60.974936][ T5007] ? do_raw_spin_lock+0x124/0x2b0 [ 60.979981][ T5007] ? spin_bug+0x1c0/0x1c0 [ 60.984414][ T5007] __do_sys_clone+0xba/0x100 [ 60.989716][ T5007] ? kernel_clone+0x890/0x890 [ 60.994417][ T5007] ? syscall_enter_from_user_mode+0x26/0x80 [ 61.000450][ T5007] do_syscall_64+0x39/0xb0 [ 61.004902][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.010959][ T5007] RIP: 0033:0x7fe13a889fab [ 61.015420][ 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 [ 61.035601][ T5007] RSP: 002b:00007ffc4a669470 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.044231][ T5007] RAX: ffffffffffffffda RBX: 00007ffc4a669ac8 RCX: 00007fe13a889fab [ 61.052225][ T5007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 61.060309][ T5007] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556dc9400 [ 61.068486][ T5007] R10: 0000555556dc96d0 R11: 0000000000000246 R12: 0000000000000000 [ 61.076608][ T5007] R13: 00007ffc4a669560 R14: 00007fe13a9ac9d8 R15: 000000000000000c [ 61.084972][ T5007] [ 61.088369][ T5007] ================================================================================ [ 61.097891][ T5007] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 61.105110][ T5007] CPU: 0 PID: 5007 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 61.115108][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.125361][ T5007] Call Trace: [ 61.128818][ T5007] [ 61.131921][ T5007] dump_stack_lvl+0xd9/0x150 [ 61.136539][ T5007] panic+0x686/0x730 [ 61.140571][ T5007] ? panic_smp_self_stop+0xa0/0xa0 [ 61.146135][ T5007] ? syslog_print_all+0x3a0/0x3a0 [ 61.151282][ T5007] check_panic_on_warn+0xb1/0xc0 [ 61.156232][ T5007] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 61.162134][ T5007] ? schedule_timeout+0x241/0x2b0 [ 61.167185][ T5007] alloc_pid+0xbe5/0xdd0 [ 61.171613][ T5007] ? copy_namespaces+0x1e3/0x500 [ 61.176831][ T5007] copy_process+0x4589/0x7620 [ 61.181695][ T5007] ? pidfd_prepare+0x80/0x80 [ 61.186490][ T5007] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.192510][ T5007] kernel_clone+0xeb/0x890 [ 61.197029][ T5007] ? create_io_thread+0xe0/0xe0 [ 61.202568][ T5007] ? ksys_unshare+0x676/0x920 [ 61.207281][ T5007] ? lock_downgrade+0x690/0x690 [ 61.212267][ T5007] ? do_raw_spin_lock+0x124/0x2b0 [ 61.217349][ T5007] ? spin_bug+0x1c0/0x1c0 [ 61.221740][ T5007] __do_sys_clone+0xba/0x100 [ 61.226403][ T5007] ? kernel_clone+0x890/0x890 [ 61.231281][ T5007] ? syscall_enter_from_user_mode+0x26/0x80 [ 61.237345][ T5007] do_syscall_64+0x39/0xb0 [ 61.241878][ T5007] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.248238][ T5007] RIP: 0033:0x7fe13a889fab [ 61.252855][ 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 [ 61.272604][ T5007] RSP: 002b:00007ffc4a669470 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 61.281249][ T5007] RAX: ffffffffffffffda RBX: 00007ffc4a669ac8 RCX: 00007fe13a889fab [ 61.289281][ T5007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 61.297296][ T5007] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556dc9400 [ 61.306527][ T5007] R10: 0000555556dc96d0 R11: 0000000000000246 R12: 0000000000000000 [ 61.315568][ T5007] R13: 00007ffc4a669560 R14: 00007fe13a9ac9d8 R15: 000000000000000c [ 61.325008][ T5007] [ 61.328717][ T5007] Kernel Offset: disabled [ 61.333537][ T5007] Rebooting in 86400 seconds..