INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   44.483632] WARNING: CPU: 0 PID: 5552 at mm/slab_common.c:1027 kmalloc_slab+0x6e/0x80
[   44.491695] Kernel panic - not syncing: panic_on_warn set ...
[   44.491695] 
[   44.499051] CPU: 0 PID: 5552 Comm: syz-executor302 Not tainted 4.19.0-rc4-next-20180921+ #77
[   44.507609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.516944] Call Trace:
[   44.519528]  dump_stack+0x1d3/0x2c4
[   44.523146]  ? dump_stack_print_info.cold.2+0x52/0x52
[   44.528334]  panic+0x238/0x4e7
[   44.531517]  ? add_taint.cold.5+0x16/0x16
[   44.535661]  ? __warn.cold.8+0x148/0x1ba
[   44.539709]  ? __warn.cold.8+0x117/0x1ba
[   44.543890]  ? kmalloc_slab+0x6e/0x80
[   44.547682]  __warn.cold.8+0x163/0x1ba
[   44.551562]  ? rcu_softirq_qs+0x20/0x20
[   44.555533]  ? kmalloc_slab+0x6e/0x80
[   44.559326]  report_bug+0x254/0x2d0
[   44.562950]  do_error_trap+0x1fc/0x4d0
[   44.566830]  ? find_held_lock+0x36/0x1c0
[   44.570988]  ? math_error+0x3f0/0x3f0
[   44.574788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.579630]  ? trace_hardirqs_off+0x310/0x310
[   44.584118]  ? lock_downgrade+0x900/0x900
[   44.588257]  ? __kasan_slab_free+0x102/0x150
[   44.592657]  ? kasan_slab_free+0xe/0x10
[   44.596615]  ? kfree+0xcf/0x230
[   44.599895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.604773]  do_invalid_op+0x1b/0x20
[   44.608494]  invalid_op+0x14/0x20
[   44.611942] RIP: 0010:kmalloc_slab+0x6e/0x80
[   44.616342] Code: e9 04 f7 d0 83 e6 01 21 c8 83 e0 01 8d 04 70 48 6b c0 17 48 01 d0 48 8b 04 c5 60 da 37 89 5d c3 31 c0 81 e6 00 02 00 00 75 f4 <0f> 0b 5d c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 c7 c7
[   44.635233] RSP: 0018:ffff8801d8f7f978 EFLAGS: 00010246
[   44.640586] RAX: 0000000000000000 RBX: 00000000fffffffd RCX: ffffffff853521f7
[   44.647844] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000003fffffff60
[   44.655099] RBP: ffff8801d8f7f978 R08: ffff8801bc35e240 R09: ffffed003998e121
[   44.662400] R10: ffff8801d8f7fa48 R11: ffff8801ccc7090f R12: 0000000000000000
[   44.669667] R13: 0000000000000000 R14: ffff8801d93fc500 R15: 00000000006080c0
[   44.676944]  ? input_mt_init_slots+0x27/0x4a0
[   44.681438]  ? kfree+0x107/0x230
[   44.684797]  __kmalloc+0x25/0x760
[   44.688242]  ? trace_hardirqs_on+0xbd/0x310
[   44.692557]  ? input_mt_init_slots+0xe5/0x4a0
[   44.697043]  input_mt_init_slots+0xe5/0x4a0
[   44.701358]  uinput_ioctl_handler.isra.10+0x2049/0x2540
[   44.706720]  ? uinput_request_submit.part.9+0x2d0/0x2d0
[   44.712077]  ? __kasan_slab_free+0x102/0x150
[   44.716531]  ? uinput_dev_erase_effect+0x200/0x200
[   44.721458]  ? trace_hardirqs_off+0xb8/0x310
[   44.725862]  ? kasan_check_read+0x11/0x20
[   44.730004]  ? __vfs_write+0x121/0x9f0
[   44.733882]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   44.738797]  ? uinput_dev_erase_effect+0x200/0x200
[   44.743718]  uinput_ioctl+0x4c/0x60
[   44.747332]  ? uinput_compat_ioctl+0x90/0x90
[   44.751729]  do_vfs_ioctl+0x1de/0x1720
[   44.755602]  ? fsnotify_first_mark+0x350/0x350
[   44.760176]  ? ioctl_preallocate+0x300/0x300
[   44.764576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   44.770098]  ? __fget_light+0x2e9/0x430
[   44.774062]  ? fget_raw+0x20/0x20
[   44.777506]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[   44.783051]  ? do_syscall_64+0x9a/0x820
[   44.787011]  ? do_syscall_64+0x9a/0x820
[   44.791026]  ? lockdep_hardirqs_on+0x421/0x5c0
[   44.795608]  ? security_file_ioctl+0x94/0xc0
[   44.800012]  ksys_ioctl+0xa9/0xd0
[   44.803458]  __x64_sys_ioctl+0x73/0xb0
[   44.807351]  do_syscall_64+0x1b9/0x820
[   44.811232]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   44.816588]  ? syscall_return_slowpath+0x5e0/0x5e0
[   44.821510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.826348]  ? trace_hardirqs_off+0x310/0x310
[   44.830834]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[   44.835841]  ? prepare_exit_to_usermode+0x291/0x3b0
[   44.840850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   44.845689]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   44.850864] RIP: 0033:0x441859
[   44.854044] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   44.872933] RSP: 002b:00007fffdfd762c8 EFLAGS: 00000286 ORIG_RAX: 0000000000000010
[   44.880627] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441859
[   44.887880] RDX: 0000000000441859 RSI: 0000000000005501 RDI: 0000000000000003
[   44.895134] RBP: 0000000000000000 R08: 00007fffdfd76448 R09: 00007fffdfd76448
[   44.902390] R10: 00007fffdfd76448 R11: 0000000000000286 R12: 0000000000000000
[   44.909644] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000307a7973
[   44.918078] Kernel Offset: disabled
[   44.921822] Rebooting in 86400 seconds..