Re: KASAN: slab-out-of-bounds Read in hfa384x_usbin_callback

From: Oliver Neukum
Date: Wed May 06 2020 - 04:54:21 EST


Am Freitag, den 20.03.2020, 12:28 -0700 schrieb syzbot:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: e17994d1 usb: core: kcov: collect coverage from usb comple..
> git tree: https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=11d74573e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=5d64370c438bc60
> dashboard link: https://syzkaller.appspot.com/bug?extid=7d42d68643a35f71ac8a
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15fa561de00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15d74573e00000
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+7d42d68643a35f71ac8a@xxxxxxxxxxxxxxxxxxxxxxxxx
>

Hi,

is this bug still active and can a test be run on it? I requested one
yesterday. If my analysis is correct this bug has security
implications, so it is kind of important.

Regards
Oliver