Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts.
syzkaller login: [   32.896595] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   33.003215] kauditd_printk_skb: 8 callbacks suppressed
[   33.003223] audit: type=1400 audit(1566406102.931:36): avc:  denied  { map } for  pid=6654 comm="syz-executor414" path="/root/syz-executor414614201" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   33.006029] kasan: CONFIG_KASAN_INLINE enabled
[   33.039543] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   33.047003] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   33.053216] Modules linked in:
[   33.056379] CPU: 1 PID: 6654 Comm: syz-executor414 Not tainted 4.14.139 #35
[   33.063445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.072765] task: ffff8880a18e82c0 task.stack: ffff888082dc8000
[   33.078814] RIP: 0010:rb_erase+0x29/0x1c10
[   33.083012] RSP: 0018:ffff888082dcf9d0 EFLAGS: 00010282
[   33.088343] RAX: dffffc0000000000 RBX: ffff88807d504330 RCX: 1ffff110105b9f12
[   33.095581] RDX: 0000000000000001 RSI: ffffffff8924d880 RDI: 0000000000000008
[   33.102821] RBP: ffff888082dcfa18 R08: ffffffff88d17aec R09: 0000000000001b26
[   33.110060] R10: ffff888082dcf7d0 R11: ffff8880a18e82c0 R12: 0000000000000000
[   33.117312] R13: ffff88807d4cc3b0 R14: 0000000000000000 R15: ffffffff867a3300
[   33.124551] FS:  0000000001ff0880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
[   33.132744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.138605] CR2: 0000000020000704 CR3: 0000000097a05000 CR4: 00000000001406e0
[   33.145844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.153092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.160730] Call Trace:
[   33.163290]  integrity_inode_free+0x126/0x320
[   33.167771]  security_inode_free+0x19/0x90
[   33.171990]  __destroy_inode+0x1ef/0x4e0
[   33.176019]  destroy_inode+0x50/0x120
[   33.179788]  evict+0x3e6/0x630
[   33.182950]  iput+0x471/0x900
[   33.186028]  ? ext4_nfs_commit_metadata+0x2f0/0x2f0
[   33.191018]  ext4_ioctl+0x16b0/0x3920
[   33.194788]  ? avc_ss_reset+0x110/0x110
[   33.198828]  ? kasan_slab_free+0x75/0xc0
[   33.202885]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   33.208133]  ? find_held_lock+0x35/0x130
[   33.212163]  ? debug_check_no_obj_freed+0x2aa/0x7b7
[   33.217148]  ? __might_sleep+0x93/0xb0
[   33.221006]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   33.226165]  do_vfs_ioctl+0x7ae/0x1060
[   33.230041]  ? selinux_file_mprotect+0x5d0/0x5d0
[   33.234777]  ? ioctl_preallocate+0x1c0/0x1c0
[   33.239149]  ? putname+0xe0/0x120
[   33.242572]  ? do_sys_open+0x221/0x430
[   33.246427]  ? security_file_ioctl+0x7d/0xb0
[   33.250801]  ? security_file_ioctl+0x89/0xb0
[   33.255176]  SyS_ioctl+0x8f/0xc0
[   33.258515]  ? do_vfs_ioctl+0x1060/0x1060
[   33.262633]  do_syscall_64+0x1e8/0x640
[   33.266489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.271481]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   33.276637] RIP: 0033:0x440169
[   33.279794] RSP: 002b:00007ffcd928bff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   33.287555] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440169
[   33.294898] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
[   33.302137] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   33.309376] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004019f0
[   33.316615] R13: 0000000000401a80 R14: 0000000000000000 R15: 0000000000000000
[   33.323856] Code: 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 49 89 fe 48 83 c7 08 48 89 fa 41 55 48 c1 ea 03 41 54 53 48 83 ec 20 <80> 3c 02 00 0f 85 0c 11 00 00 49 8d 7e 10 4d 8b 7e 08 48 b8 00 
[   33.343196] RIP: rb_erase+0x29/0x1c10 RSP: ffff888082dcf9d0
[   33.348923] ---[ end trace 3e3b5ed6bb278432 ]---
[   33.353662] Kernel panic - not syncing: Fatal exception
[   33.360192] Kernel Offset: disabled
[   33.363801] Rebooting in 86400 seconds..