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Fix xallocx(..., MALLOCX_ZERO) bugs.

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Zero all trailing bytes of large allocations when
--enable-cache-oblivious configure option is enabled.  This regression
was introduced by 8a03cf039c (Implement
cache index randomization for large allocations.).

Zero trailing bytes of huge allocations when resizing from/to a size
class that is not a multiple of the chunk size.
This commit is contained in:
Jason Evans 2015-09-24 16:38:45 -07:00
parent fb64ec29ec
commit d260f442ce
4 changed files with 148 additions and 15 deletions
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@ -7,6 +7,10 @@ brevity. Much more detail can be found in the git revision history:
* 4.0.3 (XXX)
Bug fixes:
- Fix xallocx(..., MALLOCX_ZERO) to zero all trailing bytes of large
allocations when --enable-cache-oblivious configure option is enabled.
- Fix xallocx(..., MALLOCX_ZERO) to zero trailing bytes of huge allocations
when resizing from/to a size class that is not a multiple of the chunk size.
- Fix prof_tctx_dump_iter() to filter out nodes that were created after heap
profile dumping started.