diff options
| -rw-r--r-- | lib/libfdt/fdt_region.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libfdt/fdt_region.c b/lib/libfdt/fdt_region.c index d3b9a60e99..7e9fa9272e 100644 --- a/lib/libfdt/fdt_region.c +++ b/lib/libfdt/fdt_region.c @@ -96,6 +96,9 @@ int fdt_find_regions(const void *fdt, char * const inc[], int inc_count, break; case FDT_END_NODE: + /* Depth must never go below -1 */ + if (depth < 0) + return -FDT_ERR_BADSTRUCTURE; include = want; want = stack[depth--]; while (end > path && *--end != '/') |