Add O_PATH support in vfs2

PiperOrigin-RevId: 354367665

1 files changed, 38 insertions, 0 deletions

diff --git a/test/syscalls/linux/write.cc b/test/syscalls/linux/write.cc
index 77bcfbb8a..740992d0a 100644
--- a/test/syscalls/linux/write.cc
+++ b/test/syscalls/linux/write.cc
@@ -218,6 +218,44 @@ TEST_F(WriteTest, PwriteNoChangeOffset) {
   EXPECT_THAT(lseek(fd, 0, SEEK_CUR), SyscallSucceedsWithValue(bytes_total));
 }
 
+TEST_F(WriteTest, WriteWithOpath) {
+  SKIP_IF(IsRunningWithVFS1());
+  TempPath tmpfile = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+  FileDescriptor f =
+      ASSERT_NO_ERRNO_AND_VALUE(Open(tmpfile.path().c_str(), O_PATH));
+  int fd = f.get();
+
+  EXPECT_THAT(WriteBytes(fd, 1024), SyscallFailsWithErrno(EBADF));
+}
+
+TEST_F(WriteTest, WritevWithOpath) {
+  SKIP_IF(IsRunningWithVFS1());
+  TempPath tmpfile = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+  FileDescriptor f =
+      ASSERT_NO_ERRNO_AND_VALUE(Open(tmpfile.path().c_str(), O_PATH));
+  int fd = f.get();
+
+  char buf[16];
+  struct iovec iov;
+  iov.iov_base = buf;
+  iov.iov_len = sizeof(buf);
+
+  EXPECT_THAT(writev(fd, &iov, /*__count=*/1), SyscallFailsWithErrno(EBADF));
+}
+
+TEST_F(WriteTest, PwriteWithOpath) {
+  SKIP_IF(IsRunningWithVFS1());
+  TempPath tmpfile = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+  FileDescriptor f =
+      ASSERT_NO_ERRNO_AND_VALUE(Open(tmpfile.path().c_str(), O_PATH));
+  int fd = f.get();
+
+  const std::string data = "hello world\n";
+
+  EXPECT_THAT(pwrite(fd, data.data(), data.size(), 0),
+              SyscallFailsWithErrno(EBADF));
+}
+
 }  // namespace
 
 }  // namespace testing