syzbot


KASAN: use-after-free Read in __lock_sock
Status: fixed on 2019/12/18 04:11
Reported-by: syzbot+d30efd7edfac399a176a@syzkaller.appspotmail.com
Fix commit: 51f0c108 libata/ahci: Fix PCS quirk application
First crash: 154d, last: 153d

Fix bisection: fixed by (bisect log):

commit 51f0c10890aa9d3315164063187cbf80368dc5a6
Author: Dan Williams <dan.j.williams@intel.com>
Date: Tue Oct 15 19:54:17 2019 +0000

  libata/ahci: Fix PCS quirk application

similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in __lock_sock syz cause+fix 25 17d 498d 0/17 upstream: reported syz repro on 2018/11/17 07:18
linux-4.19 KASAN: use-after-free Read in __lock_sock (2) 1 56d 56d 0/1 upstream: reported on 2020/02/02 06:17
linux-4.14 KASAN: use-after-free Read in __lock_sock syz 1 17d 47d 0/1 upstream: reported syz repro on 2020/02/11 04:34

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/10/27 23:24 linux-4.19.y c3038e71 25bb509e .config log report syz davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com
ci2-linux-4-19 2019/10/27 16:36 linux-4.19.y c3038e71 25bb509e .config log report davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com