From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Fri, 3 Apr 2026 00:35:53 +0000 (-0700)
Subject: objtool/klp: Fix XXH3 state memory leak
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=479ac5260e7ea717f1ea7b1e74dfe807d3b46eda;p=thirdparty%2Fkernel%2Flinux.git

objtool/klp: Fix XXH3 state memory leak

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

Acked-by: Song Liu <song@kernel.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---

diff --git a/tools/objtool/include/objtool/checksum.h b/tools/objtool/include/objtool/checksum.h
index 7fe21608722ac..0bd16fe9168bf 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;
 	}
 }