From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: syzbot <syzbot+799fbb6d9e02a7a1d62b@syzkaller.appspotmail.com>,
davem@davemloft.net, edumazet@google.com, eperezma@redhat.com,
linux-kernel@vger.kernel.org, mst@redhat.com,
netdev@vger.kernel.org, pabeni@redhat.com,
syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev,
Jason Wang <jasowang@redhat.com>,
Jakub Kicinski <kuba@kernel.org>
Subject: Re: [syzbot] [net?] [virt?] upstream test error: KMSAN: uninit-value in receive_buf
Date: Tue, 18 Jun 2024 09:27:39 +0800 [thread overview]
Message-ID: <1718674059.0143738-1-xuanzhuo@linux.alibaba.com> (raw)
In-Reply-To: <4ffb1d55-acfd-4647-a4d7-f227a6ad21ea@I-love.SAKURA.ne.jp>
On Mon, 17 Jun 2024 16:15:54 +0900, Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> wrote:
> Bisection reached commit f9dac92ba908 ("virtio_ring: enable premapped mode
> whatever use_dma_api").
>
> On 2024/05/26 1:12, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: 56fb6f92854f Merge tag 'drm-next-2024-05-25' of https://gi..
> > git tree: upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=157a5462980000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=1b6c22bca89a3565
> > dashboard link: https://syzkaller.appspot.com/bug?extid=799fbb6d9e02a7a1d62b
> > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> >
> > Downloadable assets:
> > disk image: https://storage.googleapis.com/syzbot-assets/39a256e13faa/disk-56fb6f92.raw.xz
> > vmlinux: https://storage.googleapis.com/syzbot-assets/d4ecc47a8198/vmlinux-56fb6f92.xz
> > kernel image: https://storage.googleapis.com/syzbot-assets/0d37bfdfb0ca/bzImage-56fb6f92.xz
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: syzbot+799fbb6d9e02a7a1d62b@syzkaller.appspotmail.com
>
Maybe this patch can fix this issue:
http://lore.kernel.org/all/20240606111345.93600-1-xuanzhuo@linux.alibaba.com
Thanks.
next prev parent reply other threads:[~2024-06-18 1:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-25 16:12 [syzbot] [net?] [virt?] upstream test error: KMSAN: uninit-value in receive_buf syzbot
2024-06-17 7:15 ` Tetsuo Handa
2024-06-18 1:27 ` Xuan Zhuo [this message]
2024-06-18 2:56 ` Tetsuo Handa
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