+ init-use-strscpy-in-do_initcalls.patch added to mm-nonmm-unstable branch

+ init-use-strscpy-in-do_initcalls.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: init: use strscpy() in do_initcalls()
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     init-use-strscpy-in-do_initcalls.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/init-use-strscpy-in-do_initcalls.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Thorsten Blum <blum@kernel.org>
Subject: init: use strscpy() in do_initcalls()
Date: Sat, 14 Nov 2026 12:52:29 +0100

Replace the deprecated strcpy() [1] with strscpy() to bound the copy to
the allocated buffer size.

Link: https://lore.kernel.org/20261114115230.30345-3-blum@kernel.org
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]
Signed-off-by: Thorsten Blum <blum@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Breno Leitao <leitao@debian.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Sang-Heon Jeon <ekffu200098@gmail.com>
Cc: Wilson Felipe Pereira <wfelipe@google.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Mike Rapoport <rppt@kernel.org>

 init/main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/init/main.c~init-use-strscpy-in-do_initcalls
+++ a/init/main.c
@@ -1493,7 +1493,7 @@ static void __init do_initcalls(void)
 
 	for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++) {
 		/* Parser modifies command_line, restore it each time */
-		strcpy(command_line, saved_command_line);
+		strscpy(command_line, saved_command_line, len);
 		do_initcall_level(level, command_line);
 	}
 
_

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

init-reject-bare-rodata-parameter-before-architecture-parsing.patch
init-use-strscpy-in-do_initcalls.patch
init-use-kmalloc-in-do_initcalls.patch