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Fix extent_recycle() to exclude other arenas' extents.

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When attempting to recycle an extent at a specified address, check that
the extent belongs to the correct arena.
This commit is contained in:
Jason Evans 2016-09-22 11:53:19 -07:00
parent 1cb399b630
commit bc49157d21
1 changed files with 2 additions and 1 deletions
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3
src/extent.c
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@ -408,7 +408,8 @@ extent_recycle(tsdn_t *tsdn, arena_t *arena, extent_hooks_t **r_extent_hooks,
if (elm != NULL) {
extent = rtree_elm_read_acquired(tsdn, &extents_rtree,
elm);
if (extent != NULL && (extent_active_get(extent) ||
if (extent != NULL && (extent_arena_get(extent) != arena
|| extent_active_get(extent) ||
extent_retained_get(extent) == cache))
extent = NULL;
rtree_elm_release(tsdn, &extents_rtree, elm);