Re^2: Mini-Tutorial: Perl's Memory Management

Based on my very own experience, Perl-malloc-enabled Perl does cause the crash of xchat2(with the Perl plugin) on FreeBSD, the problem seems to be unsolved yet.

ref: http://www.freebsd.org/cgi/query-pr.cgi?pr=121472

I mean, sometimes, you have to usemymalloc but Perl's. :-p

Comment on Re^2: Mini-Tutorial: Perl's Memory Management

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Re^3: Mini-Tutorial: Perl's Memory Management (which malloc) by tye (Sage) on Oct 29, 2009 at 17:31 UTC
As a link: http://www.freebsd.org/cgi/query-pr.cgi?pr=121472 If you have Perl use the system's default malloc() calls, then you can get sloppy and use Perl's configured free() on stuff that some library malloc()d or pass Perl-malloc()d buffers to an external library that expects to be able to free() or realloc() the buffer. So some xchat hacker got sloppy and didn't keep straight what needed to be Perl-allocated and what needed to be OS-allocated. - tye	[reply]

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Re^3: Mini-Tutorial: Perl's Memory Management (which malloc)
by tye (Sage) on Oct 29, 2009 at 17:31 UTC

As a link: http://www.freebsd.org/cgi/query-pr.cgi?pr=121472

If you have Perl use the system's default malloc() calls, then you can get sloppy and use Perl's configured free() on stuff that some library malloc()d or pass Perl-malloc()d buffers to an external library that expects to be able to free() or realloc() the buffer.

So some xchat hacker got sloppy and didn't keep straight what needed to be Perl-allocated and what needed to be OS-allocated.

- tye

[reply]