netdev - Re: [syzbot] [kernel?] net test error: UBSAN: array-index-out-of-bounds in alloc

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Message-ID: <20230703-sanieren-zwirn-0e1a12922ea6@brauner>
Date: Mon, 3 Jul 2023 10:00:38 +0200
From: Christian Brauner <brauner@...nel.org>
To: syzbot <syzbot+3945b679bf589be87530@...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 test error: UBSAN:
 array-index-out-of-bounds in alloc_pid

On Sun, Jul 02, 2023 at 11:19:54PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    97791d3c6d0a Merge branch 'octeontx2-af-fixes'
> git tree:       net
> console output: https://syzkaller.appspot.com/x/log.txt?x=11b1a6d7280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=924167e3666ff54c
> dashboard link: https://syzkaller.appspot.com/bug?extid=3945b679bf589be87530
> 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/2bd5d64db6b8/disk-97791d3c.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/cd31502424f2/vmlinux-97791d3c.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/33c6f22e34ab/bzImage-97791d3c.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+3945b679bf589be87530@...kaller.appspotmail.com

#syz fix: pid: Replace struct pid 1-element array with flex-array