Signed-off-by: Xiao Ni <xni@xxxxxxxxxx> --- Grow.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Grow.c b/Grow.c index e18f1db0..2270993c 100644 --- a/Grow.c +++ b/Grow.c @@ -1694,6 +1694,8 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re) /* Current RAID6 layout has a RAID5 * equivalent - good */ + if (strlen(ls) > (40-1)) + return "layout %s length is bigger than destination"; strcat(strcpy(layout, ls), "-6"); l = map_name(r6layout, layout); if (l == UnSet) -- 2.41.0
