From: Ackerley Tng <ackerleytng@google.com>
To: kvm@vger.kernel.org, linux-api@vger.kernel.org,
linux-arch@vger.kernel.org, linux-doc@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
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Ackerley Tng <ackerleytng@google.com>
Subject: [RFC PATCH 02/10] KVM: selftests: Test that ftruncate to non-page-aligned size on a restrictedmem fd should fail
Date: Thu, 16 Mar 2023 00:30:55 +0000 [thread overview]
Message-ID: <75eba82a2666b0caa96ed0484a713037045ed114.1678926164.git.ackerleytng@google.com> (raw)
In-Reply-To: <cover.1678926164.git.ackerleytng@google.com>
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
next prev parent reply other threads:[~2023-03-16 0:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-16 0:30 [RFC PATCH 00/10] Additional selftests for restrictedmem Ackerley Tng
2023-03-16 0:30 ` [RFC PATCH 01/10] KVM: selftests: Test error message fixes for memfd_restricted selftests Ackerley Tng
2023-03-16 0:30 ` Ackerley Tng [this message]
2023-03-16 0:30 ` [RFC PATCH 03/10] KVM: selftests: Test that VM private memory should not be readable from host Ackerley Tng
2023-03-16 0:30 ` [RFC PATCH 04/10] KVM: selftests: Exercise restrictedmem allocation and truncation code after KVM invalidation code has been unbound Ackerley Tng
2023-03-16 0:30 ` [RFC PATCH 05/10] KVM: selftests: Generalize private_mem_conversions_test for parallel execution Ackerley Tng
2023-03-16 0:30 ` [RFC PATCH 06/10] KVM: selftests: Default private_mem_conversions_test to use 1 memslot for test data Ackerley Tng
2023-03-16 0:31 ` [RFC PATCH 07/10] KVM: selftests: Add vm_userspace_mem_region_add_with_restrictedmem Ackerley Tng
2023-03-16 0:31 ` [RFC PATCH 08/10] KVM: selftests: Default private_mem_conversions_test to use 1 restrictedmem file for test data Ackerley Tng
2023-03-16 0:31 ` [RFC PATCH 09/10] KVM: selftests: Add tests around sharing a restrictedmem fd Ackerley Tng
2023-03-16 0:31 ` [RFC PATCH 10/10] KVM: selftests: Test KVM exit behavior for private memory/access Ackerley Tng
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