syzbot


KASAN: use-after-free Read in corrupted (4)

Status: upstream: reported C repro on 2020/08/11 12:47
Reported-by: syzbot+48135e34de22e3a82c99@syzkaller.appspotmail.com
First crash: 905d, last: 207d

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 (15):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in corrupted C 2 1719d 1722d 9/24 fixed on 2018/07/09 18:05
linux-4.14 KASAN: use-after-free Read in corrupted syz error 1 335d 805d 0/1 upstream: reported syz repro on 2020/11/15 10:58
android-414 KASAN: use-after-free Read in corrupted C 2 1274d 1275d 0/1 public: reported C repro on 2019/08/03 12:36
upstream KASAN: use-after-free Read in corrupted (3) syz done 1 1313d 1313d 13/24 fixed on 2019/08/27 17:15
upstream KASAN: use-after-free Read in corrupted (2) syz 1 1375d 1375d 0/24 closed as invalid on 2019/04/25 11:05
upstream KMSAN: uninit-value in corrupted syz 2 443d 443d 0/24 closed as invalid on 2021/11/18 13:55
android-54 BUG: unable to handle kernel NULL pointer dereference in corrupted C 224 4d00h 783d 0/2 upstream: reported C repro on 2020/12/07 19:36
upstream BUG: unable to handle kernel paging request in corrupted (3) C done 45 454d 622d 22/24 fixed on 2021/11/10 00:50
linux-4.19 BUG: corrupted list in corrupted C error 4 216d 854d 0/1 upstream: reported C repro on 2020/09/27 07:51
upstream general protection fault in corrupted (2) C 2 1483d 1485d 12/24 fixed on 2019/03/06 07:43
upstream general protection fault in corrupted syz 1 1646d 1646d 0/24 closed as invalid on 2018/07/29 11:55
android-54 general protection fault in corrupted C 1 1056d 1056d 0/2 closed as invalid on 2021/10/13 11:17
upstream BUG: unable to handle kernel paging request in corrupted C 10 1488d 1750d 0/24 closed as invalid on 2019/06/11 06:50
android-54 BUG: unable to handle kernel paging request in corrupted C 1 1022d 1022d 0/2 closed as invalid on 2021/10/13 14:32
upstream BUG: unable to handle kernel paging request in corrupted (2) syz done 1 1290d 1290d 0/24 closed as dup on 2019/07/23 07:35
Last patch testing requests:
Created Duration User Patch Repo Result
2023/01/23 08:32 22m (2) retest repro upstream OK log
2023/01/23 12:32 20m retest repro upstream OK log
2023/01/23 08:32 21m retest repro net error
2023/01/23 08:32 20m retest repro net-next OK log
2023/01/23 07:32 20m retest repro upstream OK log
2022/11/25 23:30 18m retest repro linux-next OK log
2022/11/25 22:30 19m retest repro linux-next OK log
2022/11/25 21:30 15m retest repro linux-next report log
2022/10/15 07:30 17m retest repro upstream error
2022/10/14 13:30 18m retest repro upstream error
2022/05/23 00:09 17m hdanton@sina.com upstream OK

Sample crash report:
traps: syz-executor322[3610] general protection fault ip:0 sp:0 error:0

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2022/07/06 13:09 upstream e35e5b6f695d bff65f44 .config console log report syz C general protection fault in corrupted
ci-upstream-net-this-kasan-gce 2022/06/03 19:46 net 58f9d52ff689 eee80d3c .config console log report syz C BUG: unable to handle kernel paging request in corrupted
ci-upstream-linux-next-kasan-gce-root 2022/07/03 10:19 linux-next cb71b93c2dc3 1434eec0 .config console log report syz C general protection fault in corrupted
ci-upstream-kasan-gce-root 2022/05/22 23:01 upstream eaea45fc0e7b 7268fa62 .config console log report syz C general protection fault in corrupted
ci-upstream-net-kasan-gce 2022/06/03 18:49 net-next 58f9d52ff689 eee80d3c .config strace log report syz C BUG: unable to handle kernel paging request in corrupted
ci-upstream-linux-next-kasan-gce-root 2022/03/08 04:55 linux-next 91265a6da44d 7bdd8b2c .config console log report syz KASAN: use-after-free Read in corrupted
ci-upstream-kasan-gce-selinux-root 2020/08/24 08:56 upstream cb95712138ec cef5ae68 .config console log report syz
ci-upstream-kasan-gce-selinux-root 2020/08/07 12:39 upstream d6efb3ac3e6c cb436c69 .config console log report syz
ci-upstream-linux-next-kasan-gce-root 2020/08/12 00:11 linux-next 4c9b89d8981b bacaf5fa .config console log report syz
* Struck through repros no longer work on HEAD.