[issue15977] Memory leak in _ssl.c

[Daniel Sommermann]

Daniel Sommermann added the comment:

This patch looks good to me (it's exactly how I fixed it in my local build), 
although I'm not sure how to approve your patch so you can push it to the 
upstream.

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[issue15977] Memory leak in _ssl.c

[Daniel Sommermann]

New submission from Daniel Sommermann:

I noticed that the function _set_npn_protocols() has the following line:

self-npn_protocols = PyMem_Malloc(protos.len);

There is no check to see if self-npn_protocols is already allocated. Thus, 
multiple calls to _set_npn_protocols() will leak memory. There should be a 
check to see if it is non-null and free the memory pointed to by 
self-npn_protocols before the malloc unless I am missing something.

--
components: IO
messages: 170774
nosy: Daniel.Sommermann, pitrou
priority: normal
severity: normal
status: open
title: Memory leak in _ssl.c
versions: Python 3.3, Python 3.4

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