syzbot


KASAN: use-after-free Read in pppol2tp_connect
Status: upstream: reported syz repro on 2019/09/25 11:59
Reported-by: syzbot+1103ad221a6999d73f67@syzkaller.appspotmail.com
First crash: 242d, last: 24d
similar bugs (5):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-49 KASAN: use-after-free Read in pppol2tp_connect 8 652d 857d 0/3 auto-closed as invalid on 2019/02/22 12:37
android-44 KASAN: use-after-free Read in pppol2tp_connect C 28 634d 408d 0/2 public: reported C repro on 2019/04/13 00:00
upstream KASAN: use-after-free Read in pppol2tp_connect (2) C 10 793d 809d 4/17 fixed on 2018/03/23 18:14
upstream KASAN: use-after-free Read in pppol2tp_connect (3) C 22 773d 791d 6/17 fixed on 2018/05/08 18:30
upstream KASAN: use-after-free Read in pppol2tp_connect C 25 810d 859d 4/17 fixed on 2018/03/06 13:29

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-14 2020/04/10 13:14 linux-4.14.y 4520f06b e38a6630 .config log report syz
ci2-linux-4-14 2020/02/15 02:37 linux-4.14.y 98db2bf2 e38a6630 .config log report syz
ci2-linux-4-14 2020/01/16 00:48 linux-4.14.y c04fc6fa e38a6630 .config log report syz
ci2-linux-4-14 2019/12/16 19:00 linux-4.14.y a844dc4c e38a6630 .config log report syz
Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/09/25 10:58 linux-4.14.y f6e27dbb e38a6630 .config log report syz davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/04/30 09:22 linux-4.14.y 050272a0 2dd552a5 .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/03/11 11:43 linux-4.14.y 78d697fc e103bc9e .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/03/04 23:16 linux-4.14.y 78d697fc 576fb9bc .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/03/03 20:37 linux-4.14.y 78d697fc 1f73b64b .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/02/27 21:48 linux-4.14.y 98db2bf2 c88c7b75 .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci2-linux-4-14 2020/02/25 22:41 linux-4.14.y 98db2bf2 4c886d6a .config log report davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org