[PATCH 3/4] kdb: Replace deprecated strcpy() with memcpy() in parse_grep()

From: Thorsten Blum
Date: Mon Aug 18 2025 - 14:14:02 EST


strcpy() is deprecated; use memcpy() instead.

We can safely use memcpy() because we already know the length of the
source string 'cp' and that it is guaranteed to be NUL-terminated within
the first KDB_GREP_STRLEN bytes.

Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
kernel/debug/kdb/kdb_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 7a4d2d4689a5..cdf91976eb7c 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -860,7 +860,7 @@ static void parse_grep(const char *str)
kdb_printf("search string too long\n");
return;
}
- strcpy(kdb_grep_string, cp);
+ memcpy(kdb_grep_string, cp, len + 1);
kdb_grepping_flag++;
return;
}
--
2.50.1