linux-kernel - Re: [PATCH] potential negative index dereference fix in get_exec

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Message-Id: 
 <174978123449.192771.10901561494426019024.git-patchwork-notify@kernel.org>
Date: Fri, 13 Jun 2025 02:20:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Ruslan Semchenko <uncleruc2075@...il.com>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org, ast@...nel.org,
 daniel@...earbox.net
Subject: Re: [PATCH] potential negative index dereference fix in
 get_exec_path()

Hello:

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

On Thu, 12 Jun 2025 16:18:16 +0300 you wrote:
> If readlink() fails, len will be -1, which can cause negative indexing
> and undefined behavior. This patch ensures that len is set to 0 on
> readlink failure, preventing such issues.
> 
> Signed-off-by: Ruslan Semchenko <uncleruc2075@...il.com>
> ---
>  tools/bpf/bpf_jit_disasm.c | 2 ++
>  1 file changed, 2 insertions(+)

Here is the summary with links:
  - potential negative index dereference fix in get_exec_path()
    https://git.kernel.org/bpf/bpf-next/c/af91af33c168

You are awesome, thank you!
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