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[Bug malloc/12140] mallopt(M_PERTURB) free() anomaly


http://sourceware.org/bugzilla/show_bug.cgi?id=12140

Siddhesh Poyarekar <siddhesh at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |siddhesh at redhat dot com

--- Comment #4 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-10-17 12:34:47 UTC ---
This is tricky because it conflicts with the design of malloc.  The
user-visible memory area is used by fd and bk pointers to make the internal
free list.  I don't think there is a good way to fix this.  The best I can do
is add a note in the documentation about it.

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