[libvirt] [PATCH] Fix memory leak in __virExec

Matthias Bolte matthias.bolte at googlemail.com
Sat Apr 30 15:49:03 UTC 2011


2011/4/30 Eric Blake <eblake at redhat.com>:
> On 04/30/2011 05:11 AM, Matthias Bolte wrote:
>> Commit e0d014f2379dd made binary potentially allocated on the heap.
>> It was freed in the parent in the error path, but not in the success path
>> that doesn't goto the cleanup label.
>>
>> Found by 'make -C tests valgrind'.
>> ---
>>  src/util/util.c |    4 ++++
>>  1 files changed, 4 insertions(+), 0 deletions(-)
>>
>> diff --git a/src/util/util.c b/src/util/util.c
>> index c337aa9..37472bb 100644
>> --- a/src/util/util.c
>> +++ b/src/util/util.c
>> @@ -568,6 +568,10 @@ __virExec(const char *const*argv,
>>          }
>>
>>          *retpid = pid;
>> +
>> +        if (binary != argv[0])
>> +            VIR_FREE(binary);
>
> ACK.
>

Thanks, pushed.

Matthias




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