Merge pull request #7713 from Icinga/bugfix/coroutine-stack-size-linux

Boost Coroutines: Increase the default stack size from 64 to 256KB
Icinga · Dec 13, 2019 · cd44c53 · cd44c53
2 parents 5484d12 + f62f2eb
commit cd44c53
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/base/io-engine.hpp b/lib/base/io-engine.hpp
@@ -107,7 +107,10 @@ class IoEngine
 		// Rationale: Low cost Windows agent only & https://github.com/Icinga/icinga2/issues/7431
 		return 8 * 1024 * 1024;
 #else /* _WIN32 */
-		return boost::coroutines::stack_allocator::traits_type::default_size(); // Default 64 KB
+		// Increase the stack size for Linux/Unix coroutines for many JSON objects on the stack.
+		// This may help mitigate possible stack overflows. https://github.com/Icinga/icinga2/issues/7532
+		return 256 * 1024;
+		//return boost::coroutines::stack_allocator::traits_type::default_size(); // Default 64 KB
 #endif /* _WIN32 */
 	}