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-rw-r--r--sapi/phpdbg/phpdbg.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sapi/phpdbg/phpdbg.c b/sapi/phpdbg/phpdbg.c
index 74bf84adff..a12811fb87 100644
--- a/sapi/phpdbg/phpdbg.c
+++ b/sapi/phpdbg/phpdbg.c
@@ -983,7 +983,14 @@ void *phpdbg_malloc_wrapper(size_t size) /* {{{ */
void phpdbg_free_wrapper(void *p) /* {{{ */
{
- zend_mm_free(phpdbg_mm_get_heap(), p);
+ zend_mm_heap *heap = phpdbg_mm_get_heap();
+ if (UNEXPECTED(heap == p)) {
+ /* TODO: heap maybe allocated by mmap(zend_mm_init) or malloc(USE_ZEND_ALLOC=0)
+ * let's prevent it from segfault for now
+ */
+ } else {
+ zend_mm_free(heap, p);
+ }
} /* }}} */
void *phpdbg_realloc_wrapper(void *ptr, size_t size) /* {{{ */