Mapping should be writable and those we can't use read only user memory,
check that it fails. It also exercises one of the fail paths.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
test/reg-wait.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/test/reg-wait.c b/test/reg-wait.c
index b7c823a..544cd48 100644
--- a/test/reg-wait.c
+++ b/test/reg-wait.c
@@ -365,8 +365,22 @@ static int test_regions(void)
return T_EXIT_FAIL;
}
rd.user_addr = (__u64)(unsigned long)buffer;
-
free(buffer);
+
+ buffer = mmap(NULL, page_size, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (buffer == MAP_FAILED) {
+ fprintf(stderr, "mmap alloc failed\n");
+ return 1;
+ }
+
+ rd.user_addr = (__u64)(unsigned long)buffer;
+ ret = test_try_register_region(&mr, true);
+ if (ret != -EFAULT) {
+ fprintf(stderr, "test_try_register_region() RO uptr %i\n", ret);
+ return T_EXIT_FAIL;
+ }
+
+ munmap(buffer, page_size);
return 0;
}
--
2.46.0
