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Re: Removal of unexec support from glibc malloc
From: |
Richard Stallman |
Subject: |
Re: Removal of unexec support from glibc malloc |
Date: |
Sat, 23 Jan 2016 17:52:30 -0500 |
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> AFAICS, it happens due to the following:
> . We call regex.c functions, which reuse an allocated buffer,
> extending it (via realloc) as needed; that buffer gets frozen with
> malloc arena used during dumping
> . We delete the terminal frame used by temacs and free its resources
> . Not 100% sure, but I think we also release/reallocate some
> font-related stuff
> It's easy to catch all those cases by setting a breakpoint on realloc
> and free during startup.
It may be a pain to fix them if they happen inside libraries.
--
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.
- Re: Removal of unexec support from glibc malloc, (continued)
- Re: Removal of unexec support from glibc malloc, Florian Weimer, 2016/01/18
- Re: Removal of unexec support from glibc malloc, Eli Zaretskii, 2016/01/18
- Re: Removal of unexec support from glibc malloc, Stefan Monnier, 2016/01/23
- Re: Removal of unexec support from glibc malloc, Eli Zaretskii, 2016/01/23
- Re: Removal of unexec support from glibc malloc, Stefan Monnier, 2016/01/23
- Re: Removal of unexec support from glibc malloc, Eli Zaretskii, 2016/01/23
- Re: Removal of unexec support from glibc malloc, Stefan Monnier, 2016/01/23
- Re: Removal of unexec support from glibc malloc,
Richard Stallman <=
- Re: Removal of unexec support from glibc malloc, Florian Weimer, 2016/01/26
- Re: Removal of unexec support from glibc malloc, Stefan Monnier, 2016/01/26
- Re: Removal of unexec support from glibc malloc, Eli Zaretskii, 2016/01/26
- Re: Removal of unexec support from glibc malloc, Florian Weimer, 2016/01/27
- Re: Removal of unexec support from glibc malloc, Eli Zaretskii, 2016/01/27
- Re: Removal of unexec support from glibc malloc, Richard Stallman, 2016/01/27
- Re: Removal of unexec support from glibc malloc, Richard Stallman, 2016/01/27
Re: Removal of unexec support from glibc malloc, Florian Weimer, 2016/01/18