linux-kernel - Re: [PATCH bpf v2] bpf: btf: fix truncated last_member_type_id in btf_struct

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Message-Id: <166285921459.4256.17072586904568979283.git-patchwork-notify@kernel.org>
Date:   Sun, 11 Sep 2022 01:20:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lorenz Bauer <oss@....io>
Cc:     martin.lau@...ux.dev, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf v2] bpf: btf: fix truncated last_member_type_id in
 btf_struct_resolve

Hello:

This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Sat, 10 Sep 2022 11:01:20 +0000 you wrote:
> When trying to finish resolving a struct member, btf_struct_resolve
> saves the member type id in a u16 temporary variable. This truncates
> the 32 bit type id value if it exceeds UINT16_MAX.
> 
> As a result, structs that have members with type ids > UINT16_MAX and
> which need resolution will fail with a message like this:
> 
> [...]

Here is the summary with links:
  - [bpf,v2] bpf: btf: fix truncated last_member_type_id in btf_struct_resolve
    https://git.kernel.org/bpf/bpf/c/a37a32583e28

You are awesome, thank you!
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