Patch "selftest/vm: uninitialized variable in main()" has been added to the 5.18-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    selftest/vm: uninitialized variable in main()

to the 5.18-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftest-vm-uninitialized-variable-in-main.patch
and it can be found in the queue-5.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 08640cd7240d59040f0a9cb97979d737add7b22a
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date:   Tue Jul 19 12:04:14 2022 +0300

    selftest/vm: uninitialized variable in main()
    
    [ Upstream commit 360b420dbded8ad5b70a41de98e77354dd9e7d36 ]
    
    Initialize "length" to zero by default.
    
    Link: https://lkml.kernel.org/r/YtZzjvHXVXMXxpXO@kili
    Fixes: ff712a627f72 ("selftests/vm: cleanup hugetlb file after mremap test")
    Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
    Reviewed-by: Mina Almasry <almasrymina@xxxxxxxxxx>
    Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
    Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
    Cc: Shuah Khan <shuah@xxxxxxxxxx>
    Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/testing/selftests/vm/hugepage-mremap.c b/tools/testing/selftests/vm/hugepage-mremap.c
index 1d689084a54b..22546f279534 100644
--- a/tools/testing/selftests/vm/hugepage-mremap.c
+++ b/tools/testing/selftests/vm/hugepage-mremap.c
@@ -107,7 +107,7 @@ static void register_region_with_uffd(char *addr, size_t len)
 
 int main(int argc, char *argv[])
 {
-	size_t length;
+	size_t length = 0;
 
 	if (argc != 2 && argc != 3) {
 		printf("Usage: %s [length_in_MB] <hugetlb_file>\n", argv[0]);