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Message-ID: <35F4C7FB-3337-4894-8AA2-C1F4ADCD99C9@oracle.com>
Date: Mon, 15 Jan 2024 14:23:19 +0000
From: Chuck Lever III <chuck.lever@...cle.com>
To: Simon Horman <horms@...nel.org>, Zhipeng Lu <alexious@....edu.cn>
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Subject: Re: [PATCH] [v2] SUNRPC: fix a memleak in gss_import_v2_context
> On Jan 15, 2024, at 6:09 AM, Simon Horman <horms@...nel.org> wrote:
>
> On Fri, Jan 12, 2024 at 04:45:38PM +0800, Zhipeng Lu wrote:
>> The ctx->mech_used.data allocated by kmemdup is not freed in neither
>> gss_import_v2_context nor it only caller radeon_driver_open_kms.
>
> Should radeon_driver_open_kms be gss_krb5_import_sec_context?
>
> Also, perhaps it is useful to write something like this:
>
> ... gss_krb5_import_sec_context, which frees ctx on error.
If Zhipeng agrees to this suggestion, I can change the
patch description in my tree. A v3 is not necessary.
>> Thus, this patch reform the last call of gss_import_v2_context to the
>> gss_krb5_import_ctx_v2, preventing the memleak while keepping the return
>> formation.
>>
>> Fixes: 47d848077629 ("gss_krb5: handle new context format from gssd")
>> Signed-off-by: Zhipeng Lu <alexious@....edu.cn>
>
> Hi Zhipeng Lu,
>
> Other than the comment above, I agree with your analysis.
> And that although the problem has changed form slightly,
> it was originally introduced by the cited commit.
> I also agree that your fix.
>
> ...
--
Chuck Lever
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