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Re: [Bug-readline] Malloc from signal handler in readline
From: |
Chet Ramey |
Subject: |
Re: [Bug-readline] Malloc from signal handler in readline |
Date: |
Thu, 02 Aug 2012 11:49:48 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 |
On 7/30/12 3:30 PM, Brian Bloniarz wrote:
> Hi, I think I've stumbled on a bug involving memory allocation from signal
> context
> in readline 6.2. In GDB, I see this traceback:
Thanks for the report. This has already been fixed for the next version of
readline.
If you want to look at the fixed version, you can get it from the `devel'
branch of the bash git tree on savannah (the relevant file is
lib/readline/signals.c).
> The rl_resize_terminal() call happens because of a SIGWINCH signal (see
> rl_sigwinch_handler).
>
> I saw there was some discussion involving fixing signal-handler-safety bugs
> (http://lists.gnu.org/archive/html/bug-readline/2011-06/msg00003.html),
> but I didn't see this particular case being discussed.
It's the same issue with the same fix.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/
- Re: [Bug-readline] Malloc from signal handler in readline,
Chet Ramey <=