Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 104.708092][T14152] ------------[ cut here ]------------ [ 104.713718][T14152] WARNING: CPU: 0 PID: 14152 at lib/percpu-refcount.c:111 percpu_ref_exit+0xac/0xb0 [ 104.723068][T14152] Kernel panic - not syncing: panic_on_warn set ... [ 104.729653][T14152] CPU: 0 PID: 14152 Comm: syz-executor671 Not tainted 5.6.0-rc3-syzkaller #0 [ 104.738394][T14152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.748454][T14152] Call Trace: [ 104.751755][T14152] dump_stack+0x1fb/0x318 [ 104.756168][T14152] panic+0x264/0x7a9 [ 104.760053][T14152] ? __warn+0x105/0x210 [ 104.764199][T14152] ? percpu_ref_exit+0xac/0xb0 [ 104.769083][T14152] __warn+0x209/0x210 [ 104.773046][T14152] ? percpu_ref_exit+0xac/0xb0 [ 104.777799][T14152] report_bug+0x1b6/0x2f0 [ 104.782118][T14152] ? percpu_ref_exit+0xac/0xb0 [ 104.786873][T14152] do_error_trap+0xcf/0x1c0 [ 104.791364][T14152] do_invalid_op+0x36/0x40 [ 104.795775][T14152] ? percpu_ref_exit+0xac/0xb0 [ 104.800529][T14152] invalid_op+0x23/0x30 [ 104.804672][T14152] RIP: 0010:percpu_ref_exit+0xac/0xb0 [ 104.810028][T14152] Code: 00 00 74 08 4c 89 f7 e8 c2 3b 14 fe 49 c7 06 03 00 00 00 eb 05 e8 a4 11 d7 fd 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 94 11 d7 fd <0f> 0b eb c6 55 48 89 e5 41 57 41 56 53 49 89 f6 48 89 fb e8 7c 11 [ 104.829621][T14152] RSP: 0018:ffffc90001e17840 EFLAGS: 00010293 [ 104.835681][T14152] RAX: ffffffff839ff7ec RBX: ffff8880a85d5c28 RCX: ffff8880973b6640 [ 104.843648][T14152] RDX: 0000000000000000 RSI: 0000607f51236988 RDI: 0000000000000000 [ 104.852157][T14152] RBP: ffffc90001e17868 R08: ffffffff839ff78b R09: ffffed10150bab8a [ 104.860152][T14152] R10: ffffed10150bab8a R11: 0000000000000000 R12: dffffc0000000000 [ 104.868234][T14152] R13: 1ffff110150bab83 R14: ffff8880a85d5c18 R15: 0000607f51236988 [ 104.876203][T14152] ? percpu_ref_exit+0x4b/0xb0 [ 104.880955][T14152] ? percpu_ref_exit+0xac/0xb0 [ 104.885939][T14152] io_sqe_files_unregister+0x8d/0x290 [ 104.891313][T14152] io_ring_ctx_wait_and_kill+0x2b9c/0x3250 [ 104.897360][T14152] io_uring_release+0x5d/0x70 [ 104.902041][T14152] ? io_uring_flush+0x2380/0x2380 [ 104.907058][T14152] __fput+0x2e4/0x740 [ 104.911034][T14152] ____fput+0x15/0x20 [ 104.915001][T14152] task_work_run+0x176/0x1b0 [ 104.919585][T14152] do_exit+0x5f2/0x2000 [ 104.923748][T14152] do_group_exit+0x15c/0x2b0 [ 104.928365][T14152] get_signal+0x13db/0x1d20 [ 104.932878][T14152] ? rcu_read_lock_sched_held+0x10b/0x170 [ 104.938587][T14152] ? trace_kmem_cache_free+0xb2/0x110 [ 104.943948][T14152] do_signal+0x37/0x640 [ 104.948205][T14152] ? getname_flags+0x266/0x640 [ 104.952957][T14152] ? check_preemption_disabled+0xb4/0x260 [ 104.958659][T14152] ? debug_smp_processor_id+0x9/0x20 [ 104.964098][T14152] ? prepare_exit_to_usermode+0x27b/0x5b0 [ 104.969910][T14152] prepare_exit_to_usermode+0x326/0x5b0 [ 104.975552][T14152] syscall_return_slowpath+0x113/0x4a0 [ 104.981002][T14152] ? __x64_sys_futex+0xe5/0x100 [ 104.985915][T14152] do_syscall_64+0x11f/0x1c0 [ 104.990541][T14152] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.997289][T14152] RIP: 0033:0x446969 [ 105.001168][T14152] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.020865][T14152] RSP: 002b:00007f79ee199db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 105.029261][T14152] RAX: fffffffffffffe00 RBX: 00000000006dbc48 RCX: 0000000000446969 [ 105.037345][T14152] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc48 [ 105.045324][T14152] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 105.053399][T14152] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 105.061366][T14152] R13: 00007ffde642b93f R14: 00007f79ee19a9c0 R15: 0000000000000001 [ 105.070823][T14152] Kernel Offset: disabled [ 105.075203][T14152] Rebooting in 86400 seconds..