syzbot


UBSAN: shift-out-of-bounds in mceusb_dev_recv
Status: upstream: reported C repro on 2020/12/19 18:14
Reported-by: syzbot+ec3b3128c576e109171d@syzkaller.appspotmail.com
Fix commit: media: mceusb: Fix potential out-of-bounds shift
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 38d, last: 28d
Patch testing requests:
Created Duration User Patch Repo Result
2021/01/09 18:41 16m anant.thazhemadam@gmail.com patch https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing report log
2021/01/09 18:38 13m anant.thazhemadam@gmail.com patch upstream report log

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-upstream-usb 2020/12/17 17:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e60366d 04201c06 .config log report syz C linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org
ci2-upstream-usb 2020/12/27 23:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f838f8d2 2242f77f .config log report info linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org
ci2-upstream-usb 2020/12/23 10:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3644e2d2 04201c06 .config log report info linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org
ci2-upstream-usb 2020/12/22 06:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3644e2d2 04201c06 .config log report info linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org
ci2-upstream-usb 2020/12/21 02:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3644e2d2 04201c06 .config log report info linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org
ci2-upstream-usb 2020/12/17 17:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5e60366d 04201c06 .config log report info linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, sean@mess.org