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-rw-r--r--testsuites/libtests/stackchk/blow.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/testsuites/libtests/stackchk/blow.c b/testsuites/libtests/stackchk/blow.c
index 07b7585a66..445e2927b5 100644
--- a/testsuites/libtests/stackchk/blow.c
+++ b/testsuites/libtests/stackchk/blow.c
@@ -30,7 +30,8 @@ b();
area = (unsigned char *)_Thread_Executing->Start.Initial_stack.area;
- low = (volatile uint32_t *) (area + HEAP_BLOCK_HEADER_SIZE);
+ /* Look in the stack checker implementation for this magic offset */
+ low = (volatile uint32_t *) (area + sizeof(Heap_Block) - HEAP_BLOCK_HEADER_SIZE);
high = (volatile uint32_t *)
(area + _Thread_Executing->Start.Initial_stack.size - 16);