diff options
Diffstat (limited to 'cpukit/dtc/libfdt/fdt_rw.c')
| -rw-r--r-- | cpukit/dtc/libfdt/fdt_rw.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/cpukit/dtc/libfdt/fdt_rw.c b/cpukit/dtc/libfdt/fdt_rw.c index 70adec6c37..8be02b1f68 100644 --- a/cpukit/dtc/libfdt/fdt_rw.c +++ b/cpukit/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); |