syzbot


KASAN: use-after-free Read in l2tp_session_queue_purge
Status: upstream: reported syz repro on 2019/10/22 15:22
Reported-by: syzbot+1b475c743d59e27bc4cc@syzkaller.appspotmail.com
First crash: 296d, last: 58d

Fix bisection: the fix commit could be any of (bisect log):

  01364dad1d45 Linux 4.14.174
  56dfe6252c68 Linux 4.14.188
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-49 KASAN: use-after-free Read in l2tp_session_queue_purge C 12204 715d 490d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 KASAN: use-after-free Read in l2tp_session_queue_purge C 3245 715d 490d 0/2 public: reported C repro on 2019/04/12 00:00

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2020/03/24 03:10 linux-4.14.y 01364dad 84f999d6 .config log report syz davem@davemloft.net, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ridge.kennedy@alliedtelesis.co.nz, sashal@kernel.org, yuehaibing@huawei.com
ci2-linux-4-14 2020/03/11 14:31 linux-4.14.y 78d697fc e103bc9e .config log report syz davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ridge.kennedy@alliedtelesis.co.nz, sashal@kernel.org, yuehaibing@huawei.com
ci2-linux-4-14 2020/03/05 00:53 linux-4.14.y 78d697fc 576fb9bc .config log report syz davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ridge.kennedy@alliedtelesis.co.nz, yuehaibing@huawei.com
ci2-linux-4-14 2020/03/04 06:58 linux-4.14.y 78d697fc 1f73b64b .config log report syz davem@davemloft.net, gnault@redhat.com, jchapman@katalix.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ridge.kennedy@alliedtelesis.co.nz, yuehaibing@huawei.com
ci2-linux-4-14 2019/11/02 20:32 linux-4.14.y ddef1e8e 997ccc67 .config log report syz davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, jchapman@katalix.com, jian.w.wen@oracle.com, linux-kernel@vger.kernel.org, lorenzo.bianconi@redhat.com, netdev@vger.kernel.org
ci2-linux-4-14 2019/10/28 07:14 linux-4.14.y b98aebd2 25bb509e .config log report syz davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, jchapman@katalix.com, jian.w.wen@oracle.com, linux-kernel@vger.kernel.org, lorenzo.bianconi@redhat.com, netdev@vger.kernel.org, sashal@kernel.org
ci2-linux-4-14 2020/04/18 09:25 linux-4.14.y c10b57a5 435c6d53 .config log report davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ridge.kennedy@alliedtelesis.co.nz, sashal@kernel.org, yuehaibing@huawei.com
ci2-linux-4-14 2019/10/22 14:21 linux-4.14.y b98aebd2 4ee855e7 .config log report davem@davemloft.net, gnault@redhat.com, gregkh@linuxfoundation.org, jchapman@katalix.com, jian.w.wen@oracle.com, linux-kernel@vger.kernel.org, lorenzo.bianconi@redhat.com, netdev@vger.kernel.org