Fix the error code for syscall test with null TOS.

The setsockopt with nullptr can fail with either EFAULT or zero.

PiperOrigin-RevId: 315777107

1 files changed, 5 insertions, 2 deletions

diff --git a/test/syscalls/linux/socket_ip_unbound.cc b/test/syscalls/linux/socket_ip_unbound.cc
index ca597e267..af8dda19c 100644
--- a/test/syscalls/linux/socket_ip_unbound.cc
+++ b/test/syscalls/linux/socket_ip_unbound.cc
@@ -377,8 +377,11 @@ TEST_P(IPUnboundSocketTest, NullTOS) {
       //
       // Linux's implementation would need fixing as passing a nullptr as optval
       // and non-zero optlen may not be valid.
-      EXPECT_THAT(setsockopt(socket->get(), t.level, t.option, nullptr, set_sz),
-                  SyscallSucceedsWithValue(0));
+      // TODO(b/158666797): Combine the gVisor and linux cases for IPv6.
+      // Some kernel versions return EFAULT, so we handle both.
+      EXPECT_THAT(
+          setsockopt(socket->get(), t.level, t.option, nullptr, set_sz),
+          AnyOf(SyscallFailsWithErrno(EFAULT), SyscallSucceedsWithValue(0)));
     }
   }
   socklen_t get_sz = sizeof(int);