[PATCH 13/48] objtool/klp: Fix XXH3 state memory leak

Josh Poimboeuf
2026-04-23T04:04:30Z

The XXH3 state allocated in checksum_init() is never freed. Free it in
checksum_finish().

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
tools/objtool/include/objtool/checksum.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/objtool/include/objtool/checksum.h b/tools/objtool/include/objtool/checksum.h
index 7fe21608722a..0bd16fe9168b 100644
--- a/tools/objtool/include/objtool/checksum.h
+++ b/tools/objtool/include/objtool/checksum.h
@@ -26,6 +26,7 @@ static inline void checksum_finish(struct symbol *func)
{
if (func && func->csum.state) {
func->csum.checksum = XXH3_64bits_digest(func->csum.state);
+ XXH3_freeState(func->csum.state);
func->csum.state = NULL;
}
}
--
2.53.0