Use 'min(len, x)' as the index instead of just 'len' to NUL-terminate the copied 'line' string at the correct position.
Add a newline after the local variable declarations to silence a checkpatch warning.
Cc: stable@vger.kernel.org Fixes: 692d97c380c6 ("kconfig: new configuration interface (nconfig)") Signed-off-by: Thorsten Blum thorsten.blum@linux.dev --- scripts/kconfig/nconf.gui.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c index 7206437e784a..ec021ebd2c52 100644 --- a/scripts/kconfig/nconf.gui.c +++ b/scripts/kconfig/nconf.gui.c @@ -175,8 +175,9 @@ void fill_window(WINDOW *win, const char *text) for (i = 0; i < total_lines; i++) { char tmp[x+10]; const char *line = get_line(text, i); - int len = get_line_length(line); - strncpy(tmp, line, min(len, x)); + int len = min(get_line_length(line), x); + + strncpy(tmp, line, len); tmp[len] = '\0'; mvwprintw(win, i, 0, "%s", tmp); }