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Subject[RFC PATCH 02/10] KVM: selftests: Test that ftruncate to non-page-aligned size on a restrictedmem fd should fail
From
Signed-off-by: Ackerley Tng <ackerleytng@google.com>
---
tools/testing/selftests/vm/memfd_restricted.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/vm/memfd_restricted.c b/tools/testing/selftests/vm/memfd_restricted.c
index 43a512f273f7..9c4e6a0becbc 100644
--- a/tools/testing/selftests/vm/memfd_restricted.c
+++ b/tools/testing/selftests/vm/memfd_restricted.c
@@ -38,6 +38,11 @@ static void test_file_size(int fd)
{
struct stat sb;

+ if (!ftruncate(fd, page_size + 1)) {
+ fail("ftruncate to non page-aligned sizes should fail\n");
+ return;
+ }
+
if (ftruncate(fd, page_size)) {
fail("ftruncate failed\n");
return;
--
2.40.0.rc2.332.ga46443480c-goog
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