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: 350d, last: 12d

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
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 1165d 1168d 9/22 fixed on 2018/07/09 18:05
linux-4.14 KASAN: use-after-free Read in corrupted syz 1 28d 251d 0/1 upstream: reported syz repro on 2020/11/15 10:58
android-414 KASAN: use-after-free Read in corrupted C 2 719d 720d 0/1 public: reported C repro on 2019/08/03 12:36
upstream KASAN: use-after-free Read in corrupted (3) syz done 1 759d 759d 13/22 fixed on 2019/08/27 17:15
upstream KASAN: use-after-free Read in corrupted (2) syz 1 821d 821d 0/22 closed as invalid on 2019/04/25 11:05

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/07/12 07:00 upstream e73f0f0ee754 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/06/12 06:09 upstream ad347abe4a98 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/05/13 05:34 upstream c06a2ba62fc4 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/04/12 15:33 upstream d434405aaab7 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/03/12 05:10 upstream f78d76e72a46 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2021/01/18 02:01 upstream 19c329f68089 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/12/18 22:56 upstream 3644e2d2dda7 cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/11/12 12:26 upstream 3d5e28bff7ad cef5ae68 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/10/13 04:14 upstream 865c50e1d279 cef5ae68 .config log report syz
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