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-rw-r--r--test/syscalls/linux/preadv.cc14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/syscalls/linux/preadv.cc b/test/syscalls/linux/preadv.cc
index 5b0743fe9..1c40f0915 100644
--- a/test/syscalls/linux/preadv.cc
+++ b/test/syscalls/linux/preadv.cc
@@ -89,6 +89,20 @@ TEST(PreadvTest, MMConcurrencyStress) {
// The test passes if it neither deadlocks nor crashes the OS.
}
+// This test calls preadv with an O_PATH fd.
+TEST(PreadvTest, PreadvWithOpath) {
+ SKIP_IF(IsRunningWithVFS1());
+ const TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+ const FileDescriptor fd =
+ ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_PATH));
+
+ struct iovec iov;
+ iov.iov_base = nullptr;
+ iov.iov_len = 0;
+
+ EXPECT_THAT(preadv(fd.get(), &iov, 1, 0), SyscallFailsWithErrno(EBADF));
+}
+
} // namespace
} // namespace testing