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authorTianjie <xunchang@google.com>2020-05-31 21:03:23 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2020-05-31 21:03:23 +0000
commit187881e5961b19bf89c9f3ae1b9e0f102be67513 (patch)
treef5b7824c352a272b701a6373e31c1d62b09aaead
parentdc112f4f919364069e0b3b87ee8ab5f5deb06ec0 (diff)
parent9760d1a21d405d944fc093f434d093023832b367 (diff)
downloadextras-187881e5961b19bf89c9f3ae1b9e0f102be67513.tar.gz
Fix the parsing of images without hashtree descriptor am: 9760d1a21d
Change-Id: I53fc8b07ab20aea0378553f1e523e3d2abfa67d8
-rw-r--r--libfec/avb_utils.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/libfec/avb_utils.cpp b/libfec/avb_utils.cpp
index 8913f2a1..849556ef 100644
--- a/libfec/avb_utils.cpp
+++ b/libfec/avb_utils.cpp
@@ -82,6 +82,10 @@ int parse_avb_image(fec_handle *f, const std::vector<uint8_t> &vbmeta) {
const AvbHashtreeDescriptor *hashtree_descriptor_ptr = nullptr;
avb_descriptor_foreach(vbmeta.data(), vbmeta.size(), parse_descriptor,
&hashtree_descriptor_ptr);
+ if (!hashtree_descriptor_ptr) {
+ error("failed to find avb hashtree descriptor");
+ return -1;
+ }
AvbHashtreeDescriptor hashtree_descriptor;
if (!avb_hashtree_descriptor_validate_and_byteswap(hashtree_descriptor_ptr,