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Subject: Re: [PATCH bpf-next v3] bpf/verifier: Use kmalloc_size_roundup() to match
 ksize() usage
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <166904041607.17586.16719074912703775400.git-patchwork-notify@kernel.org>
Date:   Mon, 21 Nov 2022 14:20:16 +0000
References: <20221118183409.give.387-kees@kernel.org>
In-Reply-To: <20221118183409.give.387-kees@kernel.org>
To:     Kees Cook <keescook@chromium.org>
Cc:     ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
        andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
        yhs@fb.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
        jolsa@kernel.org, bpf@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Fri, 18 Nov 2022 10:34:14 -0800 you wrote:
> Most allocation sites in the kernel want an explicitly sized allocation
> (and not "more"), and that dynamic runtime analysis tools (e.g. KASAN,
> UBSAN_BOUNDS, FORTIFY_SOURCE, etc) are looking for precise bounds checking
> (i.e. not something that is rounded up). A tiny handful of allocations
> were doing an implicit alloc/realloc loop that actually depended on
> ksize(), and didn't actually always call realloc. This has created a
> long series of bugs and problems over many years related to the runtime
> bounds checking, so these callers are finally being adjusted to _not_
> depend on the ksize() side-effect, by doing one of several things:
> 
> [...]

Here is the summary with links:
  - [bpf-next,v3] bpf/verifier: Use kmalloc_size_roundup() to match ksize() usage
    https://git.kernel.org/bpf/bpf-next/c/ceb35b666d42

You are awesome, thank you!
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