[   49.069991] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts.
[   54.532309] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   54.655795] audit: type=1400 audit(1565910811.590:36): avc:  denied  { map } for  pid=7206 comm="syz-executor553" path="/root/syz-executor553680474" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   54.659898] kasan: CONFIG_KASAN_INLINE enabled
[   54.686786] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   54.694314] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   54.700530] Modules linked in:
[   54.703698] CPU: 0 PID: 7206 Comm: syz-executor553 Not tainted 4.14.138 #34
[   54.710816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.720161] task: ffff888091322380 task.stack: ffff88809c6c8000
[   54.726363] RIP: 0010:rb_erase+0x29/0x1c10
[   54.730574] RSP: 0018:ffff88809c6cf9d0 EFLAGS: 00010282
[   54.735912] RAX: dffffc0000000000 RBX: ffff88809412a3b0 RCX: 1ffff110138d9f12
[   54.743274] RDX: 0000000000000001 RSI: ffffffff8924d880 RDI: 0000000000000008
[   54.750523] RBP: ffff88809c6cfa18 R08: ffffffff88d17aec R09: 0000000000001ba0
[   54.757772] R10: ffff88809c6cf7d0 R11: ffff888091322380 R12: 0000000000000000
[   54.765017] R13: ffff8880941263f0 R14: 0000000000000000 R15: ffffffff867a3300
[   54.772283] FS:  0000000000b08880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[   54.780581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.786438] CR2: 0000558a4c408180 CR3: 0000000097d41000 CR4: 00000000001406f0
[   54.793684] Call Trace:
[   54.796253]  integrity_inode_free+0x126/0x320
[   54.800729]  security_inode_free+0x19/0x90
[   54.804940]  __destroy_inode+0x1ef/0x4e0
[   54.808972]  destroy_inode+0x50/0x120
[   54.812749]  evict+0x3e6/0x630
[   54.815915]  iput+0x471/0x900
[   54.819143]  ? ext4_nfs_commit_metadata+0x2f0/0x2f0
[   54.824143]  ext4_ioctl+0x16b0/0x3920
[   54.827983]  ? avc_ss_reset+0x110/0x110
[   54.831997]  ? kasan_slab_free+0x75/0xc0
[   54.836041]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   54.841211]  ? find_held_lock+0x35/0x130
[   54.845314]  ? debug_check_no_obj_freed+0x2aa/0x7b7
[   54.850472]  ? __might_sleep+0x93/0xb0
[   54.854347]  ? ext4_ioctl_check_immutable+0x1c0/0x1c0
[   54.859509]  do_vfs_ioctl+0x7ae/0x1060
[   54.863378]  ? selinux_file_mprotect+0x5d0/0x5d0
[   54.868107]  ? ioctl_preallocate+0x1c0/0x1c0
[   54.872489]  ? putname+0xe0/0x120
[   54.875917]  ? do_sys_open+0x221/0x430
[   54.879841]  ? security_file_ioctl+0x7d/0xb0
[   54.884230]  ? security_file_ioctl+0x89/0xb0
[   54.888615]  SyS_ioctl+0x8f/0xc0
[   54.891963]  ? do_vfs_ioctl+0x1060/0x1060
[   54.896096]  do_syscall_64+0x1e8/0x640
[   54.899968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   54.904795]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   54.909956] RIP: 0033:0x440169
[   54.913119] RSP: 002b:00007fff18818098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   54.920800] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440169
[   54.928331] RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
[   54.935667] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   54.942912] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004019f0
[   54.950180] R13: 0000000000401a80 R14: 0000000000000000 R15: 0000000000000000
[   54.957429] 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 
[   54.976557] RIP: rb_erase+0x29/0x1c10 RSP: ffff88809c6cf9d0
[   54.982511] ---[ end trace 8366df4d86389bef ]---
[   54.987268] Kernel panic - not syncing: Fatal exception
[   54.993718] Kernel Offset: disabled
[   54.997333] Rebooting in 86400 seconds..