syzbot


KASAN: use-after-free Read in corrupted (4)
Status: upstream: reported syz repro on 2020/08/11 12:47
Reported-by: syzbot+48135e34de22e3a82c99@syzkaller.appspotmail.com
First crash: 435d, last: 57d

Cause bisection: introduced by (bisect log) [release commit]:
commit c470abd4fde40ea6a0846a2beab642a578c0b8cd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Feb 19 22:34:00 2017 +0000

  Linux 4.10

Crash: KASAN: use-after-free Read in lock_sock_nested (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in corrupted C 2 1250d 1252d 9/22 fixed on 2018/07/09 18:05
linux-4.14 KASAN: use-after-free Read in corrupted syz 1 23d 335d 0/1 upstream: reported syz repro on 2020/11/15 10:58
android-414 KASAN: use-after-free Read in corrupted C 2 804d 805d 0/1 public: reported C repro on 2019/08/03 12:36
upstream KASAN: use-after-free Read in corrupted (3) syz done 1 843d 843d 13/22 fixed on 2019/08/27 17:15
upstream KASAN: use-after-free Read in corrupted (2) syz 1 905d 905d 0/22 closed as invalid on 2019/04/25 11:05

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/08/24 08:56 upstream cb95712138ec cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/08/07 12:39 upstream d6efb3ac3e6c cb436c69 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/08/12 00:11 linux-next 4c9b89d8981b bacaf5fa .config log report syz