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Subject: Re: bpf: fix key serial argument of bpf_lookup_user_key()
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <175020962801.3757059.1481472277492875690.git-patchwork-notify@kernel.org>
Date: Wed, 18 Jun 2025 01:20:28 +0000
References: 
 <84cdb0775254d297d75e21f577089f64abdfbd28.camel@HansenPartnership.com>
In-Reply-To: 
 <84cdb0775254d297d75e21f577089f64abdfbd28.camel@HansenPartnership.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
 roberto.sassu@huawei.com

Hello:

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

On Tue, 17 Jun 2025 10:57:36 -0400 you wrote:
> The underlying lookup_user_key() function uses a signed 32 bit integer
> for key serial numbers because legitimate serial numbers are positive
> (and > 3) and keyrings are negative.  Using a u32 for the keyring in
> the bpf function doesn't currently cause any conversion problems but
> will start to trip the signed to unsigned conversion warnings when the
> kernel enables them, so convert the argument to signed (and update the
> tests accordingly) before it acquires more users.
> 
> [...]

Here is the summary with links:
  - bpf: fix key serial argument of bpf_lookup_user_key()
    https://git.kernel.org/bpf/bpf-next/c/bd07bd12f2c1

You are awesome, thank you!
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