1 files changed, 2 insertions, 0 deletions

diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 70adec6c371b..8be02b1f68f3 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -101,6 +101,8 @@ static int _fdt_splice(void *fdt, void *splicepoint, int oldlen, int newlen)
 
         if (((p + oldlen) < p) || ((p + oldlen) > end))
                 return -FDT_ERR_BADOFFSET;
+        if ((p < (char *)fdt) || ((end - oldlen + newlen) < (char *)fdt))
+                return -FDT_ERR_BADOFFSET;
         if ((end - oldlen + newlen) > ((char *)fdt + fdt_totalsize(fdt)))
                 return -FDT_ERR_NOSPACE;
         memmove(p + newlen, p + oldlen, end - p - oldlen);