[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 31.716992] random: sshd: uninitialized urandom read (32 bytes read)
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 31.994406] kauditd_printk_skb: 10 callbacks suppressed
[ 31.994414] audit: type=1400 audit(1576372845.886:35): avc: denied { map } for pid=6967 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[ 32.048388] random: sshd: uninitialized urandom read (32 bytes read)
[ 32.594957] random: sshd: uninitialized urandom read (32 bytes read)
[ 32.779010] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts.
[ 38.350225] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[ 38.470459] 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
[ 38.473076] kasan: CONFIG_KASAN_INLINE enabled
[ 38.501549] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 38.508896] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 38.515201] Modules linked in:
[ 38.518384] CPU: 0 PID: 6982 Comm: syz-executor607 Not tainted 4.14.158-syzkaller #0
[ 38.526238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 38.535684] task: ffff88807f8b0340 task.stack: ffff888090cf0000
[ 38.541735] RIP: 0010:vhost_chr_write_iter+0x4a9/0x1260
[ 38.547076] RSP: 0018:ffff888090cf7b90 EFLAGS: 00010246
[ 38.552432] RAX: 0000000000000002 RBX: dffffc0000000000 RCX: 0000000000000000
[ 38.559683] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888085960240
[ 38.566939] RBP: ffff888090cf7cb0 R08: dffffc0000000000 R09: 0000000000000000
[ 38.574188] R10: ffff888090cf7b80 R11: ffff88807f8b0340 R12: ffff888085964948
[ 38.581433] R13: 0000000000000000 R14: ffff888085960180 R15: 0000000000000000
[ 38.588686] FS: 0000000000ae0880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
[ 38.596889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.602748] CR2: 00000000200000c0 CR3: 0000000095a40000 CR4: 00000000001406f0
[ 38.609997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 38.617250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 38.624511] Call Trace:
[ 38.627096] ? putname+0xdb/0x120
[ 38.630529] ? do_sys_open+0x21c/0x430
[ 38.634423] ? SyS_openat+0x30/0x40
[ 38.638026] ? do_syscall_64+0x1e8/0x640
[ 38.642068] ? vhost_new_umem_range+0x6b0/0x6b0
[ 38.646716] vhost_net_chr_write_iter+0x59/0x70
[ 38.651361] __vfs_write+0x4a7/0x6b0
[ 38.655140] ? kernel_read+0x120/0x120
[ 38.659022] ? rw_verify_area+0xea/0x2b0
[ 38.663074] vfs_write+0x198/0x500
[ 38.666591] SyS_write+0xfd/0x230
[ 38.670023] ? SyS_read+0x230/0x230
[ 38.673635] ? do_syscall_64+0x53/0x640
[ 38.677584] ? SyS_read+0x230/0x230
[ 38.681188] do_syscall_64+0x1e8/0x640
[ 38.685051] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 38.689872] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 38.695039] RIP: 0033:0x440209
[ 38.698211] RSP: 002b:00007ffd4a414b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 38.706154] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440209
[ 38.713405] RDX: 0000000000000068 RSI: 0000000020000280 RDI: 0000000000000003
[ 38.720651] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[ 38.727911] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a90
[ 38.735159] R13: 0000000000401b20 R14: 0000000000000000 R15: 0000000000000000
[ 38.742425] 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
[ 38.761557] RIP: vhost_chr_write_iter+0x4a9/0x1260 RSP: ffff888090cf7b90
[ 38.768476] ---[ end trace b822263b9ba138d6 ]---
[ 38.773468] Kernel panic - not syncing: Fatal exception
[ 38.780399] Kernel Offset: disabled
[ 38.784027] Rebooting in 86400 seconds..