[k2] fix UB in register_kphp_on_oom_callback (#1593)

apolyakov · web-flow · commit 8278ad86a25d · 2026-04-06T14:17:35.000+03:00
diff --git a/runtime-light/stdlib/system/system-functions.h b/runtime-light/stdlib/system/system-functions.h
@@ -105,6 +105,7 @@ inline kphp::coro::task<> f$die(mixed v = 0) noexcept {
 template<typename F>
 bool f$register_kphp_on_oom_callback(F&& /*callback*/) {
   kphp::log::warning("called stub register_kphp_on_oom_callback");
+  return true;
 }
 
 template<typename F>

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,7 @@ inline kphp::coro::task<> f$die(mixed v = 0) noexcept {`
`105`	`105`	`template<typename F>`
`106`	`106`	`bool f$register_kphp_on_oom_callback(F&& /callback/) {`
`107`	`107`	`kphp::log::warning("called stub register_kphp_on_oom_callback");`
	`108`	`+ return true;`
`108`	`109`	`}`
`109`	`110`
`110`	`111`	`template<typename F>`