[Bug malloc/33886] Fastbin can grow indefinitely and never release

wdijkstr at arm dot com sourceware-bugzilla@sourceware.org
Fri Mar 13 20:07:31 GMT 2026


https://sourceware.org/bugzilla/show_bug.cgi?id=33886

--- Comment #4 from Wilco <wdijkstr at arm dot com> ---
In 2.43 and trunk it looks like the reason for not releasing memory is due to
late initialization of tcache (only on the first free) which blocks merging
into the top chunk.

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