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authorDean Deng <deandeng@google.com>2020-08-28 11:26:25 -0700
committerAndrei Vagin <avagin@gmail.com>2020-09-09 17:53:10 -0700
commit4346e36ba286338f6615eb9b22425808cf186775 (patch)
treea1368577f07269698c7da62506a634ac5e9666b0 /test/syscalls/linux/sendfile.cc
parentc9842f21ce4a9308dba983fd712cc688b26237d5 (diff)
Fix EOF handling for splice.
Also, add corresponding EOF tests for splice/sendfile. Discovered by syzkaller. PiperOrigin-RevId: 328975990
Diffstat (limited to 'test/syscalls/linux/sendfile.cc')
-rw-r--r--test/syscalls/linux/sendfile.cc16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/syscalls/linux/sendfile.cc b/test/syscalls/linux/sendfile.cc
index e65387f59..a8bfb01f1 100644
--- a/test/syscalls/linux/sendfile.cc
+++ b/test/syscalls/linux/sendfile.cc
@@ -533,6 +533,22 @@ TEST(SendFileTest, SendPipeWouldBlock) {
SyscallFailsWithErrno(EWOULDBLOCK));
}
+TEST(SendFileTest, SendPipeEOF) {
+ // Create and open an empty input file.
+ const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+ const FileDescriptor inf =
+ ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDONLY));
+
+ // Setup the output named pipe.
+ int fds[2];
+ ASSERT_THAT(pipe2(fds, O_NONBLOCK), SyscallSucceeds());
+ const FileDescriptor rfd(fds[0]);
+ const FileDescriptor wfd(fds[1]);
+
+ EXPECT_THAT(sendfile(wfd.get(), inf.get(), nullptr, 123),
+ SyscallSucceedsWithValue(0));
+}
+
TEST(SendFileTest, SendPipeBlocks) {
// Create temp file.
constexpr char kData[] =