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authorTianjie Xu <xunchang@google.com>2017-01-18 23:32:47 +0100
committerandroid-build-merger <android-build-merger@google.com>2017-01-18 23:32:47 +0100
commit15ca2a476378bc5440252c834a024560455664e1 (patch)
tree86589e433fe58da7ba2423ae55d9747bf120f140 /verifier.cpp
parentDO NOT MERGE ANYWHERE init: move healthd to late-init (diff)
parentAdd a checker for signature boundary in verifier am: 54ea136fde am: 0a34b17c8b am: fb80b4f72d am: d3d5e54a45 (diff)
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Diffstat (limited to 'verifier.cpp')
-rw-r--r--verifier.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/verifier.cpp b/verifier.cpp
index 61e5adf0b..bf7071d13 100644
--- a/verifier.cpp
+++ b/verifier.cpp
@@ -144,6 +144,12 @@ int verify_file(unsigned char* addr, size_t length,
LOGI("comment is %zu bytes; signature %zu bytes from end\n",
comment_size, signature_start);
+ if (signature_start > comment_size) {
+ LOGE("signature start: %zu is larger than comment size: %zu\n", signature_start,
+ comment_size);
+ return VERIFY_FAILURE;
+ }
+
if (signature_start <= FOOTER_SIZE) {
LOGE("Signature start is in the footer");
return VERIFY_FAILURE;