2022-02-23 11:34:42

by Pavel Skripkin

Subject: Re: [syzbot] KMSAN: uninit-value in asix_check_host_enable

On 2/23/22 12:30, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 724946410067 x86: kmsan: enable KMSAN builds for x86
> git tree: https://github.com/google/kmsan.git master
> console output: https://syzkaller.appspot.com/x/log.txt?x=11c85246700000
> kernel config: https://syzkaller.appspot.com/x/.config?x=76f99026248b24e4
> dashboard link: https://syzkaller.appspot.com/bug?extid=8f5f07bb9d6935e2f8d9
> compiler: clang version 14.0.0 (/usr/local/google/src/llvm-git-monorepo 2b554920f11c8b763cd9ed9003f4e19b919b8e1f), GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11674fe2700000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1497324c700000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: [email protected]
>

Should be fixed by [1], but it's only in next for now.

[1]
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=920a9fa27e7805499cfe78491b36fed2322c02ec




With regards,
Pavel Skripkin

2022-03-07 09:19:13

by Dmitry Vyukov

Subject: Re: [syzbot] KMSAN: uninit-value in asix_check_host_enable

On Wed, 23 Feb 2022 at 12:01, Pavel Skripkin <[email protected]> wrote:
>
> On 2/23/22 12:30, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: 724946410067 x86: kmsan: enable KMSAN builds for x86
> > git tree: https://github.com/google/kmsan.git master
> > console output: https://syzkaller.appspot.com/x/log.txt?x=11c85246700000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=76f99026248b24e4
> > dashboard link: https://syzkaller.appspot.com/bug?extid=8f5f07bb9d6935e2f8d9
> > compiler: clang version 14.0.0 (/usr/local/google/src/llvm-git-monorepo 2b554920f11c8b763cd9ed9003f4e19b919b8e1f), GNU ld (GNU Binutils for Debian) 2.35.2
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11674fe2700000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1497324c700000
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: [email protected]
> >
>
> Should be fixed by [1], but it's only in next for now.
>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=920a9fa27e7805499cfe78491b36fed2322c02ec

Let's tell syzbot so that it reports new bugs in future:
#syz fix: net: asix: add proper error handling of usb read errors