netdev - Re: kernel BUG at net/ipv4/tcp_output.c:2642 with kernel 5.19.0-rc2 and newer

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Message-ID: <CANn89iJALZHwJCgpL3vz6_S-drXTQCtny2fxgMX2zY_DXuyCWQ@mail.gmail.com>
Date: Mon, 16 Oct 2023 13:13:36 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: Dmitry Kravkov <dmitryk@...lt.com>
Cc: Kuniyuki Iwashima <kuniyu@...zon.com>, netdev@...r.kernel.org, slavas@...lt.com
Subject: Re: kernel BUG at net/ipv4/tcp_output.c:2642 with kernel 5.19.0-rc2
 and newer

On Mon, Oct 16, 2023 at 1:10 PM Dmitry Kravkov <dmitryk@...lt.com> wrote:

> Hi Eric, do you think we can try something to avoid the crash?
> Decreasing tcp_wmem[0] did not help
> # cat /proc/sys/net/ipv4/tcp_wmem
> 4096 1048576 629145
>
>

Honestly I have no idea, it seems strange that you are the only one to
hit such a bug.