syzbot

 sign-in | mailing list | source | docs
🐞 Open [908] ≡ Subsystems 🐞 Fixed [4782] 🐞 Invalid [11289] ⬇ Missing Backports [32] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

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: 1151d, last: 155d
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 (error log, bisect log)
  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
KASAN: use-after-free Read in corrupted (4) 2 (4) 2022/06/01 13:51
▶ ▼ Similar bugs (15)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in corrupted mm C 2 1965d 1968d 9/25 fixed on 2018/07/09 18:05
linux-4.14 KASAN: use-after-free Read in corrupted syz error 1 580d 1051d 0/1 upstream: reported syz repro on 2020/11/15 10:58
android-414 KASAN: use-after-free Read in corrupted C 2 1519d 1521d 0/1 public: reported C repro on 2019/08/03 12:36
upstream KASAN: use-after-free Read in corrupted (3) kernel syz done 1 1559d 1559d 13/25 fixed on 2019/08/27 17:15
upstream KASAN: use-after-free Read in corrupted (2) usb syz 1 1621d 1621d 0/25 closed as invalid on 2019/04/25 11:05
upstream KMSAN: uninit-value in corrupted tomoyo syz 2 689d 689d 0/25 closed as invalid on 2021/11/18 13:55
android-54 BUG: unable to handle kernel NULL pointer dereference in corrupted C 283 1d21h 1028d 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 699d 868d 22/25 fixed on 2021/11/10 00:50
linux-4.19 BUG: corrupted list in corrupted C error 4 461d 1100d 0/1 upstream: reported C repro on 2020/09/27 07:51
upstream general protection fault in corrupted (2) perf C 2 1728d 1731d 12/25 fixed on 2019/03/06 07:43
upstream general protection fault in corrupted syz 1 1892d 1892d 0/25 closed as invalid on 2018/07/29 11:55
android-54 general protection fault in corrupted C 1 1302d 1302d 0/2 closed as invalid on 2021/10/13 11:17
upstream BUG: unable to handle kernel paging request in corrupted C 10 1734d 1996d 0/25 closed as invalid on 2019/06/11 06:50
android-54 BUG: unable to handle kernel paging request in corrupted C 1 1268d 1268d 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 1536d 1536d 0/25 closed as dup on 2019/07/23 07:35
▶ ▼ Last patch testing requests (11)
Created Duration User Patch Repo Result
2023/09/17 03:38 17m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/17 00:56 1h23m retest repro linux-next report log
2023/09/16 23:49 54m retest repro upstream report log
2023/07/09 01:06 1h46m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/07/09 00:11 32m retest repro linux-next report log
2023/07/08 23:43 19m retest repro net OK log
2023/07/08 23:26 13m retest repro upstream report log
2023/04/21 15:57 21m retest repro linux-next report log
2023/04/21 15:39 22m retest repro linux-next report log
2023/04/13 06:11 16m retest repro upstream report log
2022/05/23 00:09 17m hdanton@sina.com upstream OK
▶ ▼ Fix bisection attempts (12)
Created Duration User Patch Repo Result
2021/09/21 20:37 6m bisect fix upstream error job log (0)
2021/08/21 03:51 20m bisect fix upstream job log (0) log
2021/07/12 06:37 22m bisect fix upstream job log (0) log
2021/06/12 05:48 21m bisect fix upstream job log (0) log
2021/05/13 05:12 21m bisect fix upstream job log (0) log
2021/04/12 15:11 22m bisect fix upstream job log (0) log
2021/03/12 04:50 19m bisect fix upstream job log (0) log
2021/02/17 02:01 0m bisect fix upstream error job log (0)
2021/01/18 01:44 16m bisect fix upstream job log (0) log
2020/12/18 22:39 17m bisect fix upstream job log (0) log
2020/11/12 12:09 17m bisect fix upstream job log (0) log
2020/10/13 03:57 17m bisect fix upstream job log (0) log

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

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/07/06 13:09 upstream e35e5b6f695d bff65f44 .config console log report syz C ci-upstream-kasan-gce-smack-root general protection fault in corrupted
2022/07/03 10:19 linux-next cb71b93c2dc3 1434eec0 .config console log report syz C ci-upstream-linux-next-kasan-gce-root general protection fault in corrupted
2023/04/29 23:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in corrupted
2022/05/22 23:01 upstream eaea45fc0e7b 7268fa62 .config console log report syz C ci-upstream-kasan-gce-root general protection fault in corrupted
2022/06/03 19:46 net-old 58f9d52ff689 eee80d3c .config console log report syz C ci-upstream-net-this-kasan-gce BUG: unable to handle kernel paging request in corrupted
2022/06/03 18:49 net-next-old 58f9d52ff689 eee80d3c .config strace log report syz C ci-upstream-net-kasan-gce BUG: unable to handle kernel paging request in corrupted
2022/03/08 04:55 linux-next 91265a6da44d 7bdd8b2c .config console log report syz ci-upstream-linux-next-kasan-gce-root KASAN: use-after-free Read in corrupted
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-kasan-gce-selinux-root
2020/08/12 00:11 linux-next 4c9b89d8981b bacaf5fa .config console log report syz ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.