X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftalloc%2Ftest%2Frun-corruption1.c;fp=ccan%2Ftalloc%2Ftest%2Frun-corruption1.c;h=d6ac7da5e3cdc8da3965403510bf526edd5178c6;hb=87aba1fa2abc28ff06f82e30cde3fa3d991e8e18;hp=0000000000000000000000000000000000000000;hpb=f0002cb9e4f6f403a25ad50252c06694439900f0;p=ccan

diff --git a/ccan/talloc/test/run-corruption1.c b/ccan/talloc/test/run-corruption1.c
new file mode 100644
index 00000000..d6ac7da5
--- /dev/null
+++ b/ccan/talloc/test/run-corruption1.c
@@ -0,0 +1,24 @@
+/* failtest with valgrind caught this read-after-free. */
+#include <ccan/talloc/talloc.c>
+#include <stdbool.h>
+#include <ccan/tap/tap.h>
+
+int main(int argc, char *argv[])
+{
+	void *root, *p1;
+
+	plan_tests(2);
+	talloc_enable_null_tracking();
+	root = talloc_new(NULL);
+	p1 = talloc_strdup(root, "foo");
+	talloc_increase_ref_count(p1);
+	talloc_free(root);
+	ok1(strcmp(p1, "foo") == 0);
+	talloc_unlink(NULL, p1);
+
+	/* This closes the leak, but make sure we're not freeing unexpected. */
+	ok1(!talloc_chunk_from_ptr(null_context)->child);
+	talloc_disable_null_tracking();
+
+	return exit_status();
+}