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Message-ID: <20230703-finte-einundzwanzig-64713a7d6dda@brauner>
Date: Mon, 3 Jul 2023 10:01:01 +0200
From: Christian Brauner <brauner@...nel.org>
To: syzbot <syzbot+f02ef87ef8bbb97026bd@...kaller.appspotmail.com>
Cc: davem@...emloft.net, kuba@...nel.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernel?] net-next test error: UBSAN:
array-index-out-of-bounds in alloc_pid
On Sun, Jul 02, 2023 at 10:35:50PM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 3a8a670eeeaa Merge tag 'net-next-6.5' of git://git.kernel...
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1391a15f280000
> kernel config: https://syzkaller.appspot.com/x/.config?x=924167e3666ff54c
> dashboard link: https://syzkaller.appspot.com/bug?extid=f02ef87ef8bbb97026bd
> compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/580f71d6d107/disk-3a8a670e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/7d94a5879cd1/vmlinux-3a8a670e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/4ef3ba2a581e/bzImage-3a8a670e.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+f02ef87ef8bbb97026bd@...kaller.appspotmail.com
#syz fix: pid: Replace struct pid 1-element array with flex-array
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