linux-kernel - Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx

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Message-ID: <91396dc0-23e4-6c81-f8d8-f6427eaa52b0@iogearbox.net>
Date:   Fri, 21 Jul 2023 02:52:14 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     syzbot <syzbot+14736e249bce46091c18@...kaller.appspotmail.com>,
        andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        haoluo@...gle.com, john.fastabend@...il.com, jolsa@...nel.org,
        kpsingh@...nel.org, linux-kernel@...r.kernel.org,
        martin.lau@...ux.dev, netdev@...r.kernel.org, sdf@...gle.com,
        song@...nel.org, syzkaller-bugs@...glegroups.com, yhs@...com
Subject: Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx_uninstall

On 7/20/23 5:06 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    03b123debcbc tcp: tcp_enter_quickack_mode() should be static
> git tree:       net-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=17ac9ffaa80000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297
> dashboard link: https://syzkaller.appspot.com/bug?extid=14736e249bce46091c18
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133f36c6a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11a8e73aa80000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/348462fb61fa/disk-03b123de.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/33375730f77f/vmlinux-03b123de.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/b6882fbac041/bzImage-03b123de.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+14736e249bce46091c18@...kaller.appspotmail.com

Thanks, I'll take a look this evening.