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Message-ID: <ZlRAXJRLmr3Qu9ru@krava>
Date: Mon, 27 May 2024 10:12:12 +0200
From: Jiri Olsa <olsajiri@...il.com>
To: syzbot <syzbot+2459c1b9fcd39be822b1@...kaller.appspotmail.com>
Cc: andrii@...nel.org, ast@...nel.org, davem@...emloft.net,
	dsahern@...nel.org, edumazet@...gle.com, kuba@...nel.org,
	laoar.shao@...il.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, pabeni@...hat.com,
	syzkaller-bugs@...glegroups.com, yonghong.song@...ux.dev
Subject: Re: [syzbot] [net?] WARNING in inet_csk_get_port (3)

On Sun, May 26, 2024 at 05:20:06AM -0700, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 3505cb9fa26cfec9512744466e754a8cbc2365b0
> Author: Jiri Olsa <jolsa@...nel.org>
> Date:   Wed Aug 9 08:34:14 2023 +0000
> 
>     bpf: Add attach_type checks under bpf_prog_attach_check_attach_type

hum, scratching my head how this change could cause network warning
will try the reproducer

jirka

> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15dbe672980000
> start commit:   977b1ef51866 Merge tag 'block-6.9-20240420' of git://git.k..
> git tree:       upstream
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=17dbe672980000
> console output: https://syzkaller.appspot.com/x/log.txt?x=13dbe672980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=85dbe39cf8e4f599
> dashboard link: https://syzkaller.appspot.com/bug?extid=2459c1b9fcd39be822b1
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=126c6080980000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11135520980000
> 
> Reported-by: syzbot+2459c1b9fcd39be822b1@...kaller.appspotmail.com
> Fixes: 3505cb9fa26c ("bpf: Add attach_type checks under bpf_prog_attach_check_attach_type")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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