syzbot


BUG: unable to handle kernel NULL pointer dereference in cfg80211_wext_siwfrag
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+e8a797964a4180eb57d5@syzkaller.appspotmail.com
Fix commit: 24953de0 cfg80211: check for set_wiphy_params
First crash: 259d, last: 247d

Cause bisection: introduced by (bisect log):

commit c7cdba31ed8b87526db978976392802d3f93110c
Author: Cody Schuffelen <schuffelen@google.com>
Date: Wed Nov 21 03:14:49 2018 +0000

  mac80211-next: rtnetlink wifi simulation device

Crash: BUG: unable to handle kernel NULL pointer dereference in ioctl_standard_call (log)
Repro: C syz .config

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/01/08 12:26 upstream ae608821 6738e0b3 .config log report syz C davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-root 2020/01/07 19:51 upstream ae608821 1bcd407e .config log report syz C davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/01/07 02:20 net d89091a4 53430d97 .config log report syz C davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/01/07 06:43 net-next de1b23b9 53430d97 .config log report syz C davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/01/12 06:52 linux-next 6c09d7db 4c04afaa .config log report syz C davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/01/13 06:40 net c9f53049 53faa9fe .config log report davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/01/10 13:55 net e267371d 4de4e9f0 .config log report davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/01/19 10:21 net-next 9aaa2949 bc8bc756 .config log report davem@davemloft.net, johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org