random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1576372852.366:36): avc:  denied  { map } for  pid=6982 comm="syz-executor607" path="/root/syz-executor607740566" 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
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6982 Comm: syz-executor607 Not tainted 4.14.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88807f8b0340 task.stack: ffff888090cf0000
RIP: 0010:vhost_del_umem_range drivers/vhost/vhost.c:971 [inline]
RIP: 0010:vhost_process_iotlb_msg drivers/vhost/vhost.c:1042 [inline]
RIP: 0010:vhost_chr_write_iter drivers/vhost/vhost.c:1071 [inline]
RIP: 0010:vhost_chr_write_iter+0x4a9/0x1260 drivers/vhost/vhost.c:1055
RSP: 0018:ffff888090cf7b90 EFLAGS: 00010246
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888085960240
RBP: ffff888090cf7cb0 R08: dffffc0000000000 R09: 0000000000000000
R10: ffff888090cf7b80 R11: ffff88807f8b0340 R12: ffff888085964948
R13: 0000000000000000 R14: ffff888085960180 R15: 0000000000000000
FS:  0000000000ae0880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 0000000095a40000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vhost_net_chr_write_iter+0x59/0x70 drivers/vhost/net.c:1365
 call_write_iter include/linux/fs.h:1777 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x4a7/0x6b0 fs/read_write.c:482
 vfs_write+0x198/0x500 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xfd/0x230 fs/read_write.c:582
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x440209
RSP: 002b:00007ffd4a414b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440209
RDX: 0000000000000068 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a90
R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000
Code: ff ff 48 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 9c 0c 00 00 49 8b 8e c0 00 00 00 48 ba 00 00 00 00 00 fc ff df 49 89 cf 48 c1 e9 03 <80> 3c 11 00 0f 85 61 0c 00 00 4d 8b 27 4d 85 e4 0f 84 27 09 00 
RIP: vhost_del_umem_range drivers/vhost/vhost.c:971 [inline] RSP: ffff888090cf7b90
RIP: vhost_process_iotlb_msg drivers/vhost/vhost.c:1042 [inline] RSP: ffff888090cf7b90
RIP: vhost_chr_write_iter drivers/vhost/vhost.c:1071 [inline] RSP: ffff888090cf7b90
RIP: vhost_chr_write_iter+0x4a9/0x1260 drivers/vhost/vhost.c:1055 RSP: ffff888090cf7b90
---[ end trace b822263b9ba138d6 ]---