netdev - Re: NULL pointer dereference in libbpf

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Message-ID: <87a6nnv82d.fsf@toke.dk>
Date:   Fri, 18 Jun 2021 11:24:58 +0200
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Anton Ivanov <anton.ivanov@...-begemot.co.uk>,
        netdev@...r.kernel.org
Subject: Re: NULL pointer dereference in libbpf

Anton Ivanov <anton.ivanov@...-begemot.co.uk> writes:

> https://elixir.bootlin.com/linux/latest/source/tools/lib/bpf/bpf.c#L91
>
> A string is copied to a pointer destination which has been memset to
> zero a few lines above.

No, it isn't. attr.map_name is an array...

-Toke