The function fdt_find_regions look in the exclude list for each property, even if the name is NULL. It could happen if the fit image is corrupted. On sandbox, it generates a segfault.
To avoid this issue, if the name of a property is NULL, we report an error and avoid looking in the exclude list.
Signed-off-by: Philippe Reynes philippe.reynes@softathome.com --- common/fdt_region.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/common/fdt_region.c b/common/fdt_region.c index 6676590..ff12c51 100644 --- a/common/fdt_region.c +++ b/common/fdt_region.c @@ -65,6 +65,8 @@ int fdt_find_regions(const void *fdt, char * const inc[], int inc_count, stop_at = offset; prop = fdt_get_property_by_offset(fdt, offset, NULL); str = fdt_string(fdt, fdt32_to_cpu(prop->nameoff)); + if (!str) + return -FDT_ERR_BADSTRUCTURE; if (str_in_list(str, exc_prop, exc_prop_count)) include = 0; break;