1 files changed, 77 insertions, 0 deletions
diff --git a/nsswitch/b15464-testcase.c b/nsswitch/b15464-testcase.c
new file mode 100644
index 0000000..decb474
--- /dev/null
+++ b/nsswitch/b15464-testcase.c
@@ -0,0 +1,77 @@
+#include "replace.h"
+#include "system/wait.h"
+#include "system/threads.h"
+#include <assert.h>
+
+int main(int argc, const char *argv[])
+{
+	pid_t pid;
+	int wstatus;
+	pthread_key_t k1;
+	pthread_key_t k2;
+	pthread_key_t k3;
+	char *val = NULL;
+	const char *nss_winbind = (argc >= 2 ? argv[1] : "bin/plugins/libnss_winbind.so.2");
+	void *nss_winbind_handle = NULL;
+	union {
+		int (*fn)(void);
+		void *symbol;
+	} nss_winbind_endpwent = { .symbol = NULL, };
+
+	/*
+	 * load and invoke something simple like
+	 * _nss_winbind_endpwent in order to
+	 * get the libnss_winbind internal going
+	 */
+	nss_winbind_handle = dlopen(nss_winbind, RTLD_NOW);
+	printf("%d: nss_winbind[%s] nss_winbind_handle[%p]\n",
+	       getpid(), nss_winbind, nss_winbind_handle);
+	assert(nss_winbind_handle != NULL);
+
+	nss_winbind_endpwent.symbol = dlsym(nss_winbind_handle,
+					    "_nss_winbind_endpwent");
+	printf("%d: nss_winbind_handle[%p] _nss_winbind_endpwent[%p]\n",
+	       getpid(), nss_winbind_handle, nss_winbind_endpwent.symbol);
+	assert(nss_winbind_endpwent.symbol != NULL);
+	(void)nss_winbind_endpwent.fn();
+
+	val = malloc(1);
+	assert(val != NULL);
+
+	pthread_key_create(&k1, NULL);
+	pthread_setspecific(k1, val);
+	printf("%d: k1=%d\n", getpid(), k1);
+
+	pid = fork();
+	if (pid) {
+		free(val);
+		wait(&wstatus);
+		return WEXITSTATUS(wstatus);
+	}
+
+	pthread_key_create(&k2, NULL);
+	pthread_setspecific(k2, val);
+
+	printf("%d: Hello after fork, k1=%d, k2=%d\n", getpid(), k1, k2);
+
+	pid = fork();
+
+	if (pid) {
+		free(val);
+		wait(&wstatus);
+		return WEXITSTATUS(wstatus);
+	}
+
+	pthread_key_create(&k3, NULL);
+	pthread_setspecific(k3, val);
+
+	printf("%d: Hello after fork2, k1=%d, k2=%d, k3=%d\n", getpid(), k1, k2, k3);
+
+	if (k1 == k2 || k2 == k3) {
+		printf("%d: FAIL inconsistent keys\n", getpid());
+		return 1;
+	}
+
+	printf("%d: OK consistent keys\n", getpid());
+	return 0;
+}