Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts.
executing program
[   29.882418] kasan: CONFIG_KASAN_INLINE enabled
[   29.887208] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   29.894774] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   29.901015] Modules linked in:
[   29.904213] CPU: 0 PID: 7963 Comm: syz-executor748 Not tainted 4.14.222-syzkaller #0
[   29.912084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.921420] task: ffff8880b5598000 task.stack: ffff888095880000
[   29.927459] RIP: 0010:rb_erase+0x29/0x1290
[   29.931710] RSP: 0018:ffff888095887a68 EFLAGS: 00010292
[   29.937056] RAX: dffffc0000000000 RBX: ffff8880a5774870 RCX: 1ffff11012b10f27
[   29.944316] RDX: 0000000000000001 RSI: ffffffff8bf93da0 RDI: 0000000000000008
[   29.951562] RBP: 0000000000000000 R08: ffffffff8ba2702c R09: 0000000000001c42
[   29.959425] R10: 0000000000000001 R11: ffff8880b5598000 R12: 0000000000000000
[   29.966674] R13: dffffc0000000000 R14: ffff8880a576e878 R15: ffffffff8bf93da0
[   29.973937] FS:  000000000149a300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   29.982140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.987995] CR2: 0000000020000004 CR3: 00000000b60ff000 CR4: 00000000001406f0
[   29.995244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.002501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.009762] Call Trace:
[   30.012514]  integrity_inode_free+0x119/0x300
[   30.017100]  security_inode_free+0x14/0x80
[   30.021313]  __destroy_inode+0x1e8/0x4d0
[   30.025363]  destroy_inode+0x49/0x110
[   30.029152]  iput+0x458/0x7e0
[   30.032246]  ? ext4_mark_dquot_dirty+0x190/0x190
[   30.036979]  ext4_ioctl+0x16c5/0x3870
[   30.040770]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   30.045956]  ? putname+0xcd/0x110
[   30.049394]  ? do_sys_open+0x203/0x410
[   30.053256]  ? do_syscall_64+0x1d5/0x640
[   30.057292]  ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   30.062635]  ? path_lookupat+0x780/0x780
[   30.066675]  ? debug_check_no_obj_freed+0x2c0/0x680
[   30.071683]  ? lock_acquire+0x170/0x3f0
[   30.075644]  ? lock_downgrade+0x740/0x740
[   30.079785]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   30.084876]  ? debug_check_no_obj_freed+0x2c0/0x680
[   30.089886]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   30.095064]  do_vfs_ioctl+0x75a/0xff0
[   30.098855]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   30.104280]  ? ioctl_preallocate+0x1a0/0x1a0
[   30.108664]  ? kmem_cache_free+0x23a/0x2b0
[   30.112884]  ? putname+0xcd/0x110
[   30.116316]  ? do_sys_open+0x208/0x410
[   30.120179]  ? filp_open+0x60/0x60
[   30.123697]  ? security_file_ioctl+0x83/0xb0
[   30.128080]  SyS_ioctl+0x7f/0xb0
[   30.131421]  ? do_vfs_ioctl+0xff0/0xff0
[   30.135372]  do_syscall_64+0x1d5/0x640
[   30.139254]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   30.144418] RIP: 0033:0x43ee69
[   30.147581] RSP: 002b:00007ffe0ff3afa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   30.155278] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee69
[   30.162523] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
[   30.169778] RBP: 0000000000402e50 R08: 0000000000400488 R09: 0000000000400488
[   30.177922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ee0
[   30.185172] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
[   30.192438] Code: ff ff 48 b8 00 00 00 00 00 fc ff df 41 57 49 89 f7 41 56 41 55 41 54 49 89 fc 48 83 c7 08 48 89 fa 55 48 c1 ea 03 53 48 83 ec 18 <80> 3c 02 00 0f 85 f2 0c 00 00 49 8d 7c 24 10 4d 8b 74 24 08 48 
[   30.211623] RIP: rb_erase+0x29/0x1290 RSP: ffff888095887a68
[   30.217423] ---[ end trace 58a7fc3d580ca1f7 ]---
[   30.227497] Kernel panic - not syncing: Fatal exception
[   30.233275] Kernel Offset: disabled
[   30.236908] Rebooting in 86400 seconds..