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Re: [PATCH] object-file: fix leak on conversion failure

From
Junio C Hamano <gitster@pobox.com>
Date
Jun 24, 2024, 16:08 UTC
Message-ID
<xmqq8qyue330.fsf@gitster.g>
In-Reply-To
<1f536f91-1dce-4156-98f2-4059cd5235ff@gmail.com>
Derrick Stolee <stolee@gmail.com> writes:
Show 20 quoted lines
> On 6/22/24 12:36 AM, Eric Wong wrote:
>> I'm not sure exactly how to trigger the leak, but it seems fairly
>> obvious that the `content' buffer should be freed even if
>> convert_object_file() fails.  Noticed while working in this area
>> on unrelated things.
>
> Definitely a good thing to include, even if it is unlikely to
> be hit frequently in common scenarios.
>
>>   			ret = convert_object_file(&outbuf,
>>   						  the_hash_algo, input_algo,
>>   						  content, size, type, !do_die);
>> +			free(content);
>>   			if (ret == -1)
>>   				return -1;
>> -			free(content);
>
> I looked at the context of this function to see that 'content'
> was local to the method, so was not "owned" by something outside
> of the method that might expect to reuse the buffer on failure.
Thanks, both.
Will queue.
Previous: Derrick Stolee
Message 3 of 3 in “object-file: fix leak on conversion failure”
  1. object-file: fix leak on conversion failureEric Wong, Jun 22, 2024
  2. Derrick StoleeJun 23, 2024
  3. Junio C HamanoJun 24, 2024

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