syzbot


KASAN: slab-out-of-bounds Write in vcs_read
Status: upstream: reported C repro on 2020/08/21 00:27
Reported-by: syzbot+6d6e5b894ac34506362f@syzkaller.appspotmail.com
First crash: 32d, last: 27d

Cause bisection: introduced by (bisect log):

commit b1c32fcfadf5593ab7a63261cc8a5747c36e627e
Author: Jiri Slaby <jslaby@suse.cz>
Date: Tue Aug 18 08:57:05 2020 +0000

  vc_screen: extract vcs_read_buf_header

Crash: BUG: Bad page map (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/26 15:36 16m foxhlchen@gmail.com https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master OK
2020/08/25 14:16 16m yepeilin.cs@gmail.com upstream OK

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/08/23 09:40 linux-next 494d311a 1da71ab0 .config log report syz C gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/20 07:33 linux-next 605cbf3d ed282a3a .config log report syz C gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/25 17:52 linux-next 3a00d3df 344da168 .config log report gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/25 10:28 linux-next d8be0e12 344da168 .config log report gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/24 08:36 linux-next d8be0e12 cef5ae68 .config log report gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/08/23 12:51 linux-next 494d311a cef5ae68 .config log report gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org