Re: [Nano-devel] a segfault when editing a file in stereo

[Mike Frysinger]

On 02 Aug 2015 20:55, Benno Schulenberg wrote:
> On Sun, Jul 19, 2015, at 13:09, Benno Schulenberg wrote:
> > On Debian there is a bug report [1] about the new locking code.
> > When opening the same (nonexistent) file in different terminals,
> > and then answering N or ^C in the second terminal to the question
> > whether to continue, nano segfaults on the reporter's system.
> > 
> > I cannot reproduce this.  Who can?
> 
> The segfaults occur because the reporter has the following
> variable set in his environment:
> 
>   export MALLOC_PERTURB_=$(($RANDOM % 255 + 1))
> 
> When I set that variable, I can reliably reproduce the crash.
> So... now to find the origin of the problem...

should we call mallopt() for --enable-debug builds ?
        mallopt (M_CHECK_ACTION, 3);
        mallopt (M_PERTURB, 0xa5);
-mike

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