netdev - Re: [PATCH v4 net 0/4] dccp/tcp: Fix bhash2 issues related to WARN_ON() in inet_csk_get

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Date:   Wed, 23 Nov 2022 05:00:19 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kuniyuki Iwashima <kuniyu@...zon.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        acme@...driva.com, joannelkoong@...il.com, martin.lau@...nel.org,
        mathew.j.martineau@...ux.intel.com, william.xuanziyang@...wei.com,
        stephen@...workplumber.org, pengfei.xu@...el.com,
        kuni1840@...il.com, netdev@...r.kernel.org, dccp@...r.kernel.org
Subject: Re: [PATCH v4 net 0/4] dccp/tcp: Fix bhash2 issues related to WARN_ON()
 in inet_csk_get_port().

Hello:

This series was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 18 Nov 2022 17:49:10 -0800 you wrote:
> syzkaller was hitting a WARN_ON() in inet_csk_get_port() in the 4th patch,
> which was because we forgot to fix up bhash2 bucket when connect() for a
> socket bound to a wildcard address fails in __inet_stream_connect().
> 
> There was a similar report [0], but its repro does not fire the WARN_ON() due
> to inconsistent error handling.
> 
> [...]

Here is the summary with links:
  - [v4,net,1/4] dccp/tcp: Reset saddr on failure after inet6?_hash_connect().
    https://git.kernel.org/netdev/net/c/77934dc6db0d
  - [v4,net,2/4] dccp/tcp: Remove NULL check for prev_saddr in inet_bhash2_update_saddr().
    https://git.kernel.org/netdev/net/c/8acdad37cd13
  - [v4,net,3/4] dccp/tcp: Update saddr under bhash's lock.
    https://git.kernel.org/netdev/net/c/8c5dae4c1a49
  - [v4,net,4/4] dccp/tcp: Fixup bhash2 bucket when connect() fails.
    https://git.kernel.org/netdev/net/c/e0833d1fedb0

You are awesome, thank you!
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