From: patchwork-bot+netdevbpf@kernel.org
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net
Subject: Re: [PATCH bpf] bpf: Limit maximum modifier chain length in btf_check_type_tags
Date: Wed, 15 Jun 2022 17:40:12 +0000 [thread overview]
Message-ID: <165531481299.3046.5251416383564197740.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220615042151.2266537-1-memxor@gmail.com>
Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Wed, 15 Jun 2022 09:51:51 +0530 you wrote:
> On processing a module BTF of module built for an older kernel, we might
> sometimes find that some type points to itself forming a loop. If such a
> type is a modifier, btf_check_type_tags's while loop following modifier
> chain will be caught in an infinite loop.
>
> Fix this by defining a maximum chain length and bailing out if we spin
> any longer than that.
>
> [...]
Here is the summary with links:
- [bpf] bpf: Limit maximum modifier chain length in btf_check_type_tags
https://git.kernel.org/bpf/bpf/c/d1a374a1aeb7
You are awesome, thank you!
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prev parent reply other threads:[~2022-06-15 17:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-15 4:21 [PATCH bpf] bpf: Limit maximum modifier chain length in btf_check_type_tags Kumar Kartikeya Dwivedi
2022-06-15 15:35 ` Yonghong Song
2022-06-15 17:40 ` patchwork-bot+netdevbpf [this message]
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