syzbot


KASAN: use-after-free Read in em28xx_close_extension
Status: upstream: reported C repro on 2021/07/14 14:27
Reported-by: syzbot+005037419ebdf14e1d87@syzkaller.appspotmail.com
First crash: 68d, last: 16d

Cause bisection: introduced by (bisect log) :
commit ac5688637144644f06ed1f3c6d4dd8bb7db96020
Author: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
Date: Tue May 4 18:32:49 2021 +0000

  media: em28xx: Fix possible memory leak of em28xx struct

Crash: KASAN: use-after-free Read in em28xx_close_extension (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/07/15 10:05 18m mudongliangabcd@gmail.com patch upstream OK

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/08/21 10:15 upstream fa54d366a6e4 b599f2fc .config log report syz C KASAN: use-after-free Read in em28xx_close_extension
ci-upstream-kasan-gce-selinux-root 2021/07/28 07:45 upstream 7d549995d4e0 17d6ab15 .config log report syz C KASAN: use-after-free Read in em28xx_close_extension
ci-upstream-kasan-gce 2021/07/10 15:05 upstream 3dbdb38e2869 8f5a7b8c .config log report syz C KASAN: use-after-free Read in em28xx_close_extension
ci-upstream-kasan-gce 2021/07/10 14:22 upstream 3dbdb38e2869 8f5a7b8c .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/08/31 11:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9c1587d99f93 8f58a0ef .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/08/28 16:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9c1587d99f93 d5a29e53 .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/08/05 02:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64cd4271ea8e b97d64c9 .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/07/26 04:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8e6cb5d27e82 4d1b57d4 .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/07/24 03:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8e6cb5d27e82 bc5f1d88 .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/07/19 13:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 97db1b081e12 e6a17580 .config log report info KASAN: use-after-free Read in em28xx_close_extension
ci2-upstream-usb 2021/07/13 20:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 97db1b081e12 70168d5c .config log report info KASAN: use-after-free Read in em28xx_close_extension