diff options
| -rw-r--r-- | libfdt/fdt_rw.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 994037b..befe87d 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -425,6 +425,10 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) newsize = FDT_ALIGN(sizeof(struct fdt_header), 8) + mem_rsv_size + struct_size + fdt_size_dt_strings(fdt); + /* basic sanity check */ + if (struct_size > bufsize) + return -FDT_ERR_BADSTRUCTURE; + if (bufsize < newsize) return -FDT_ERR_NOSPACE; |