Warning: Permanently added '10.128.0.206' (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 syzkaller login: [ 161.141839][T11156] ------------[ cut here ]------------ [ 161.147438][T11156] WARNING: CPU: 0 PID: 11156 at lib/percpu-refcount.c:111 percpu_ref_exit+0xa3/0xd0 [ 161.156883][T11156] Kernel panic - not syncing: panic_on_warn set ... [ 161.163531][T11156] CPU: 0 PID: 11156 Comm: syz-executor785 Not tainted 5.6.0-rc4-syzkaller #0 [ 161.172314][T11156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.182467][T11156] Call Trace: [ 161.185774][T11156] dump_stack+0x188/0x20d [ 161.190123][T11156] ? percpu_ref_init+0x1c0/0x1e0 [ 161.195056][T11156] panic+0x2e3/0x75c [ 161.198951][T11156] ? add_taint.cold+0x16/0x16 [ 161.203644][T11156] ? printk+0xba/0xed [ 161.207635][T11156] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 161.213121][T11156] ? __warn.cold+0x14/0x35 [ 161.217549][T11156] ? __warn+0xd5/0x1c8 [ 161.221628][T11156] ? percpu_ref_exit+0xa3/0xd0 [ 161.226402][T11156] __warn.cold+0x2f/0x35 [ 161.230645][T11156] ? percpu_ref_exit+0xa3/0xd0 [ 161.235413][T11156] report_bug+0x27b/0x2f0 [ 161.239741][T11156] do_error_trap+0x12b/0x220 [ 161.244343][T11156] ? percpu_ref_exit+0xa3/0xd0 [ 161.249118][T11156] do_invalid_op+0x32/0x40 [ 161.253566][T11156] ? percpu_ref_exit+0xa3/0xd0 [ 161.258327][T11156] invalid_op+0x23/0x30 [ 161.262501][T11156] RIP: 0010:percpu_ref_exit+0xa3/0xd0 [ 161.267865][T11156] Code: 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 1a 48 c7 43 08 03 00 00 00 5b 5d 41 5c e9 a2 f9 e3 fd e8 9d f9 e3 fd <0f> 0b eb c2 4c 89 e7 e8 41 b7 20 fe eb dc e8 ba b6 20 fe eb aa 4c [ 161.287730][T11156] RSP: 0018:ffffc90005417c30 EFLAGS: 00010293 [ 161.293796][T11156] RAX: ffff8880a3538380 RBX: ffff888092343010 RCX: ffffffff838e195d [ 161.301761][T11156] RDX: 0000000000000000 RSI: ffffffff838e19c3 RDI: ffff888092343028 [ 161.309737][T11156] RBP: 0000607f51636700 R08: ffff8880a3538380 R09: ffffed101246860a [ 161.317710][T11156] R10: ffffed1012468609 R11: ffff88809234304f R12: ffff888092343018 [ 161.325715][T11156] R13: ffff8880a1c52100 R14: ffff8880a1c52000 R15: ffff8880a1c522a8 [ 161.333802][T11156] ? percpu_ref_exit+0x3d/0xd0 [ 161.338567][T11156] ? percpu_ref_exit+0xa3/0xd0 [ 161.343336][T11156] io_sqe_files_unregister+0x8a/0x2f0 [ 161.348717][T11156] ? io_ring_ctx_wait_and_kill+0x876/0xa20 [ 161.354529][T11156] ? lockdep_hardirqs_on+0x417/0x5d0 [ 161.359823][T11156] io_ring_ctx_wait_and_kill+0x4bf/0xa20 [ 161.365473][T11156] ? io_ring_ctx_wait_and_kill+0xa20/0xa20 [ 161.371288][T11156] io_uring_release+0x3e/0x50 [ 161.375983][T11156] __fput+0x2da/0x850 [ 161.380004][T11156] task_work_run+0x13f/0x1b0 [ 161.384610][T11156] do_exit+0xb59/0x2db0 [ 161.388777][T11156] ? mm_update_next_owner+0x7a0/0x7a0 [ 161.394155][T11156] ? up_read+0x1ab/0x750 [ 161.398400][T11156] ? mark_held_locks+0x9f/0xe0 [ 161.403182][T11156] ? down_read_non_owner+0x470/0x470 [ 161.408494][T11156] ? handle_mm_fault+0x491/0xa10 [ 161.413432][T11156] do_group_exit+0x125/0x340 [ 161.418026][T11156] __x64_sys_exit_group+0x3a/0x50 [ 161.423053][T11156] do_syscall_64+0xf6/0x7d0 [ 161.427647][T11156] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.433646][T11156] RIP: 0033:0x4400c8 [ 161.437580][T11156] Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 [ 161.457316][T11156] RSP: 002b:00007ffcdaa140b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 161.465745][T11156] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004400c8 [ 161.473712][T11156] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 161.481683][T11156] RBP: 00000000004bf8f0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 161.489666][T11156] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 161.497632][T11156] R13: 00000000006d11a0 R14: 0000000000000000 R15: 0000000000000000 [ 161.506985][T11156] Kernel Offset: disabled [ 161.511512][T11156] Rebooting in 86400 seconds..