The patch titled
Subject: selftests/mm/mkdirty: fix memory leak in test_uffdio_copy()
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-mkdirty-fix-memory-leak-in-test_uffdio_copy.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-mkdirty-fix-memory-leak-in-test_uffdio_copy.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: liuye <liuye@xxxxxxxxxx>
Subject: selftests/mm/mkdirty: fix memory leak in test_uffdio_copy()
Date: Tue, 14 Jan 2025 10:38:38 +0800
Release memory before exception branch returns to prevent memory leaks
Checking tools/testing/selftests/mm/mkdirty.c ...
tools/testing/selftests/mm/mkdirty.c:283:3: error: Memory leak: src [memleak]
return;
^
Link: https://lkml.kernel.org/r/20250114023838.48589-1-liuye@xxxxxxxxxx
Signed-off-by: liuye <liuye@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/mkdirty.c | 1 +
1 file changed, 1 insertion(+)
--- a/tools/testing/selftests/mm/mkdirty.c~selftests-mm-mkdirty-fix-memory-leak-in-test_uffdio_copy
+++ a/tools/testing/selftests/mm/mkdirty.c
@@ -280,6 +280,7 @@ static void test_uffdio_copy(void)
dst = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE|MAP_ANON, -1, 0);
if (dst == MAP_FAILED) {
ksft_test_result_fail("mmap() failed\n");
+ free(src);
return;
}
_
Patches currently in -mm which might be from liuye@xxxxxxxxxx are
mm-vmscan-fix-hard-lockup-in-function-isolate_lru_folios.patch
selftests-memfd-memfd_test-fix-possible-null-pointer-dereference.patch
selftests-mm-mkdirty-fix-memory-leak-in-test_uffdio_copy.patch
