syzbot


KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs (2)
Status: upstream: reported C repro on 2020/07/05 18:42
Reported-by: syzbot+14e0e4960091ffae7cf7@syzkaller.appspotmail.com
First crash: 108d, last: 107d

Cause bisection: failed (bisect log)

Fix bisection: fixed by (bisect log):

commit bf64ff4c2aac65d680dc639a511c781cf6b6ec08
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Sat Jun 27 07:12:24 2020 +0000

  genetlink: get rid of family->attrbuf

similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in __cfg8NUM_wpan_dev_from_attrs C cause 3 379d 379d 16/17 fixed on 2019/12/13 00:31

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-net-kasan-gce 2020/07/04 21:15 net-next e44f65fd 51095195 .config log report syz C alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-kasan-gce-selinux-root 2020/07/05 15:03 upstream 7cc2a8ea 51095195 .config log report syz alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-kasan-gce-root 2020/07/05 01:29 upstream 7cc2a8ea 51095195 .config log report syz alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-kasan-gce-smack-root 2020/07/04 21:36 upstream 7cc2a8ea 51095195 .config log report syz alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org
ci-upstream-net-kasan-gce 2020/07/04 17:38 net-next e44f65fd 51095195 .config log report alex.aring@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org, netdev@vger.kernel.org, stefan@datenfreihafen.org