fuzz: set errno from FuzzedSock::Wait() if it simulates a failure

vasild · vasild · commit 0c90ff1429de · 2021-04-15T08:19:48.000+02:00
diff --git a/src/test/fuzz/util.cpp b/src/test/fuzz/util.cpp
@@ -9,7 +9,13 @@
 
 bool FuzzedSock::Wait(std::chrono::milliseconds timeout, Event requested, Event* occurred) const
 {
+    constexpr std::array wait_errnos{
+        EBADF,
+        EINTR,
+        EINVAL,
+    };
     if (!m_fuzzed_data_provider.ConsumeBool()) {
+        SetFuzzedErrNo(m_fuzzed_data_provider, wait_errnos);
         return false;
     }
     if (occurred) *occurred = 0;

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,13 @@`
`9`	`9`
`10`	`10`	`bool FuzzedSock::Wait(std::chrono::milliseconds timeout, Event requested, Event* occurred) const`
`11`	`11`	`{`
	`12`	`+ constexpr std::array wait_errnos{`
	`13`	`+ EBADF,`
	`14`	`+ EINTR,`
	`15`	`+ EINVAL,`
	`16`	`+ };`
`12`	`17`	`if (!m_fuzzed_data_provider.ConsumeBool()) {`
	`18`	`+ SetFuzzedErrNo(m_fuzzed_data_provider, wait_errnos);`
`13`	`19`	`return false;`
`14`	`20`	`}`
`15`	`21`	`if (occurred) *occurred = 0;`