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.rey...@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;
--
2.7.4
