Messages in this thread Patch in this message | | | Date | Thu, 16 Mar 2023 00:30:55 +0000 | Subject | [RFC PATCH 02/10] KVM: selftests: Test that ftruncate to non-page-aligned size on a restrictedmem fd should fail | From | Ackerley Tng <> |
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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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