Issue 1344508: UNIX mmap leaks file descriptors

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classification

Type:	Stage:
Title:	UNIX mmap leaks file descriptors
Components:	Library (Lib)	Versions:	Python 2.4

process

Created on 2005年11月01日 03:46 by drylock, last changed 2022年04月11日 14:56 by admin. This issue is now closed.

Files
File name	Uploaded	Description	Edit
t.py	drylock, 2005年11月01日 03:46	Test case

Messages (2)
msg26771 - (view)	Author: Erwin S. Andreasen (drylock)	Date: 2005年11月01日 03:46
The commit from 2.49 to 2.50 in Modules/mmapmodule.c has made mmap under UNIX leak a file descriptor: - m_obj->fd = fd; + m_obj->fd = dup(fd); The FD given is dup'ed in order to allow ftruncation later, but no close of it is done in dealloc/close. A test case attached, using lsof after some mmaps/unmaps to show leak. Version: Python 2.4.2 (#2, Sep 29 2005, 00:23:59) [GCC 4.0.2 (Debian 4.0.1-9)] on linux2
msg26772 - (view)	Author: Neal Norwitz (nnorwitz) * (Python committer)	Date: 2005年11月02日 05:46
Logged In: YES user_id=33168 Thanks! Committed revision 41366. Committed revision 41367. (cleanup) Committed revision 41368. (2.4)

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