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authorSimo Sorce <ssorce@redhat.com>2009-04-21 03:08:37 -0400
committerSimo Sorce <ssorce@redhat.com>2009-04-22 09:58:06 -0400
commitb029e0edcf356772c66190af843087f14c88b3f2 (patch)
tree32d6eeb1ce6dbeb04f698503bdd8815d6091c836
parent502f47c7c07b8075fb28a8591acd1e43f7708f54 (diff)
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Prevent reallocs of the talloc pool itself
-rw-r--r--lib/talloc/talloc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/talloc/talloc.c b/lib/talloc/talloc.c
index 60a48ad811..33cbfd7d26 100644
--- a/lib/talloc/talloc.c
+++ b/lib/talloc/talloc.c
@@ -1008,6 +1008,11 @@ void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *n
return NULL;
}
+ /* don't let anybody try to realloc a talloc_pool */
+ if (unlikely(tc->flags & TALLOC_FLAG_POOL)) {
+ return NULL;
+ }
+
/* don't shrink if we have less than 1k to gain */
if ((size < tc->size) && ((tc->size - size) < 1024)) {
tc->size = size;