Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   29.405758] kasan: CONFIG_KASAN_INLINE enabled
[   29.410659] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   29.418234] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   29.424449] Modules linked in:
[   29.427619] CPU: 0 PID: 7968 Comm: syz-executor436 Not tainted 4.14.238-syzkaller #0
[   29.435584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.444935] task: ffff8880b50ac6c0 task.stack: ffff8880b3510000
[   29.450968] RIP: 0010:rb_erase+0x29/0x1290
[   29.455181] RSP: 0018:ffff8880b3517a68 EFLAGS: 00010292
[   29.460525] RAX: dffffc0000000000 RBX: ffff88808ce7d7b0 RCX: 1ffff110166a2f27
[   29.467766] RDX: 0000000000000001 RSI: ffffffff8bf9bea0 RDI: 0000000000000008
[   29.475026] RBP: 0000000000000000 R08: ffffffff8ba2f02c R09: 0000000000001bc2
[   29.482272] R10: 0000000000000001 R11: ffff8880b50ac6c0 R12: 0000000000000000
[   29.489517] R13: dffffc0000000000 R14: ffff88808ce7e878 R15: ffffffff8bf9bea0
[   29.496764] FS:  0000000001515300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   29.504974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.510832] CR2: 00000000200001c4 CR3: 00000000abd09000 CR4: 00000000001406f0
[   29.518079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.525322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.532651] Call Trace:
[   29.535218]  integrity_inode_free+0x119/0x300
[   29.539685]  security_inode_free+0x14/0x80
[   29.543894]  __destroy_inode+0x1e8/0x4d0
[   29.547925]  destroy_inode+0x49/0x110
[   29.551697]  iput+0x458/0x7e0
[   29.554798]  ? ext4_mark_dquot_dirty+0x190/0x190
[   29.559526]  ext4_ioctl+0x16c5/0x3870
[   29.563302]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   29.568462]  ? putname+0xcd/0x110
[   29.571898]  ? do_sys_open+0x203/0x410
[   29.575754]  ? do_syscall_64+0x1d5/0x640
[   29.579787]  ? entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.585120]  ? path_lookupat+0x780/0x780
[   29.589153]  ? debug_check_no_obj_freed+0x2c0/0x680
[   29.594140]  ? lock_acquire+0x170/0x3f0
[   29.598084]  ? lock_downgrade+0x740/0x740
[   29.602221]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   29.607387]  ? debug_check_no_obj_freed+0x2c0/0x680
[   29.612374]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   29.617546]  do_vfs_ioctl+0x75a/0xff0
[   29.621321]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[   29.626741]  ? ioctl_preallocate+0x1a0/0x1a0
[   29.631121]  ? kmem_cache_free+0x23a/0x2b0
[   29.635324]  ? putname+0xcd/0x110
[   29.638747]  ? do_sys_open+0x208/0x410
[   29.642610]  ? filp_open+0x60/0x60
[   29.646120]  ? security_file_ioctl+0x83/0xb0
[   29.650496]  SyS_ioctl+0x7f/0xb0
[   29.653849]  ? do_vfs_ioctl+0xff0/0xff0
[   29.657793]  do_syscall_64+0x1d5/0x640
[   29.661672]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.666842] RIP: 0033:0x43ee69
[   29.670005] RSP: 002b:00007fffde4a3bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   29.679695] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee69
[   29.686936] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
[   29.694175] RBP: 0000000000402e50 R08: 0000000000400488 R09: 0000000000400488
[   29.703410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ee0
[   29.710653] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
[   29.717933] 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 
[   29.737008] RIP: rb_erase+0x29/0x1290 RSP: ffff8880b3517a68
[   29.742786] ---[ end trace 3f8f95e4436ecafa ]---
[   29.747531] Kernel panic - not syncing: Fatal exception
[   29.754277] Kernel Offset: disabled
[   29.757886] Rebooting in 86400 seconds..