[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts.
syzkaller login: [   28.676417] IPVS: ftp: loaded support on port[0] = 21
[   28.721925] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   28.744749] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   28.753416] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
[   28.761420] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
executing program
[   28.777771] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   28.779184] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   28.792037] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   28.799713] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   28.814111] kasan: CONFIG_KASAN_INLINE enabled
[   28.818768] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   28.831865] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.838108] Modules linked in:
[   28.841281] CPU: 1 PID: 7995 Comm: syz-executor992 Not tainted 4.14.204-syzkaller #0
[   28.849133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.858509] task: ffff888095af02c0 task.stack: ffff8880983a0000
[   28.864553] RIP: 0010:ioctl_standard_call+0x19b/0x260
[   28.869714] RSP: 0018:ffff8880983a7b48 EFLAGS: 00010246
[   28.875052] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11013074f5a
[   28.882299] RDX: 0000000000000000 RSI: ffff888095af0b48 RDI: ffff8880b28c8be0
[   28.889544] RBP: ffff8880b28c8a00 R08: ffffffff8b9c1040 R09: 0000000000000000
[   28.896834] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880983a7cb8
[   28.904253] R13: 0000000000008b04 R14: 0000000000000000 R15: ffff8880983a7bf0
[   28.911498] FS:  000000000162e880(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[   28.919697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.925554] CR2: 00000000006d2090 CR3: 00000000aa0cc000 CR4: 00000000001406e0
[   28.932806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.940052] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.947297] Call Trace:
[   28.949910]  ? cfg80211_wext_freq+0x160/0x160
[   28.954381]  ? iw_handler_get_private+0x190/0x190
[   28.959201]  wireless_process_ioctl+0x312/0x450
[   28.963890]  ? wireless_process_ioctl+0x450/0x450
[   28.968709]  wext_handle_ioctl+0x17e/0x190
[   28.972918]  ? call_commit_handler+0x100/0x100
[   28.977473]  ? __might_fault+0x177/0x1b0
[   28.981507]  ? _copy_from_user+0x96/0x100
[   28.985629]  dev_ioctl+0x24c/0xbe0
[   28.989144]  ? dev_ifsioc+0x7d0/0x7d0
[   28.993007]  ? trace_hardirqs_on+0x10/0x10
[   28.997213]  ? trace_hardirqs_on+0x10/0x10
[   29.001419]  ? trace_hardirqs_on+0x10/0x10
[   29.005632]  sock_ioctl+0x164/0x4c0
[   29.009232]  ? sock_release+0x1e0/0x1e0
[   29.013178]  do_vfs_ioctl+0x75a/0xff0
[   29.016955]  ? ioctl_preallocate+0x1a0/0x1a0
[   29.021337]  ? __fd_install+0x227/0x5c0
[   29.025283]  ? get_unused_fd_flags+0xc0/0xc0
[   29.029664]  ? _raw_spin_unlock+0x29/0x40
[   29.033831]  ? __alloc_fd+0x1be/0x490
[   29.037608]  ? security_file_ioctl+0x83/0xb0
[   29.041989]  SyS_ioctl+0x7f/0xb0
[   29.045443]  ? do_vfs_ioctl+0xff0/0xff0
[   29.049427]  do_syscall_64+0x1d5/0x640
[   29.053304]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   29.058466] RIP: 0033:0x441559
[   29.061636] RSP: 002b:00007fff5c52f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   29.069329] RAX: ffffffffffffffda RBX: 00007fff5c52f230 RCX: 0000000000441559
[   29.076600] RDX: 00000000200001c0 RSI: 0000000000008b04 RDI: 0000000000000005
[   29.083847] RBP: 0000000000000003 R08: 0000001300000000 R09: 0000001300000000
[   29.091092] R10: 0000001300000000 R11: 0000000000000246 R12: 0000000000000032
[   29.098420] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
[   29.105668] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c8 00 00 00 48 8b 9d e0 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 99 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 
[   29.124742] RIP: ioctl_standard_call+0x19b/0x260 RSP: ffff8880983a7b48
[   29.133078] ---[ end trace 693c2ba9ef7ce704 ]---
[   29.137832] Kernel panic - not syncing: Fatal exception
[   29.143774] Kernel Offset: disabled
[   29.147382] Rebooting in 86400 seconds..