The heap name might be uninitialized and access might crash the
kernel.
Signed-off-by: Alexey Skidanov <[email protected]>
---
drivers/staging/android/ion/ion.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/android/ion/ion.c
b/drivers/staging/android/ion/ion.c
index 9907332..55bca92d 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -459,8 +459,11 @@ int ion_query_heaps(struct ion_heap_query *query)
max_cnt = query->cnt;
plist_for_each_entry(heap, &dev->heaps, node) {
- strncpy(hdata.name, heap->name, MAX_HEAP_NAME);
- hdata.name[sizeof(hdata.name) - 1] = '\0';
+ if (heap->name) {
+ strncpy(hdata.name, heap->name, MAX_HEAP_NAME);
+ hdata.name[sizeof(hdata.name) - 1] = '\0';
+ }
+
hdata.type = heap->type;
hdata.heap_id = heap->id;
--
2.7.4
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