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[Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
- From: "arjun.is at lostca dot se" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 30 Nov 2017 12:59:33 +0000
- Subject: [Bug libc/22375] malloc returns pointer from tcache_get when should return NULL
- Auto-submitted: auto-generated
- References: <bug-22375-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=22375
Arjun Shankar <arjun.is at lostca dot se> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |2.27
--- Comment #9 from Arjun Shankar <arjun.is at lostca dot se> ---
I wrote a reasonably thorough regression test for this, but discussions on
libc-alpha as well as further testing have revealed that the test when properly
expanded (a) will also trigger bug 22343, and (b) has exposed another bug in 32
bit Intel and POWER (related to the relatively larger MALLOC_ALIGNMENT on these
machines). Because of this, I haven't checked the regression test into master,
but only the fix for now.
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