[merged mm-stable] mm-kmemleak-replace-strncpy-with-strscpy.patch removed from -mm tree

[merged mm-stable] mm-kmemleak-replace-strncpy-with-strscpy.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/kmemleak: replace strncpy() with strscpy()
has been removed from the -mm tree.  Its filename was
     mm-kmemleak-replace-strncpy-with-strscpy.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Kees Cook <kees@kernel.org>
Subject: mm/kmemleak: replace strncpy() with strscpy()
Date: Tue, 9 Jul 2024 17:13:08 -0700

Replace the depreciated[1] strncpy() calls with strscpy().  Uses of
object->comm do not depend on the padding side-effect.

Link: https://github.com/KSPP/linux/issues/90 [1]
Link: https://lkml.kernel.org/r/20240710001300.work.004-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/kmemleak.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/kmemleak.c~mm-kmemleak-replace-strncpy-with-strscpy
+++ a/mm/kmemleak.c
@@ -657,10 +657,10 @@ static struct kmemleak_object *__alloc_o
 	/* task information */
 	if (in_hardirq()) {
 		object->pid = 0;
-		strncpy(object->comm, "hardirq", sizeof(object->comm));
+		strscpy(object->comm, "hardirq");
 	} else if (in_serving_softirq()) {
 		object->pid = 0;
-		strncpy(object->comm, "softirq", sizeof(object->comm));
+		strscpy(object->comm, "softirq");
 	} else {
 		object->pid = current->pid;
 		/*
@@ -669,7 +669,7 @@ static struct kmemleak_object *__alloc_o
 		 * dependency issues with current->alloc_lock. In the worst
 		 * case, the command line is not correct.
 		 */
-		strncpy(object->comm, current->comm, sizeof(object->comm));
+		strscpy(object->comm, current->comm);
 	}
 
 	/* kernel backtrace */
_

Patches currently in -mm which might be from kees@kernel.org are

tsacct-replace-strncpy-with-strscpy.patch