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Add a checker for signature boundary in verifier am: 54ea136fde am: 0a34b17c8b am: fb80b4f72d am: d3d5e54a45 am: 6ea9888d51 am: a055eb93c3 am: 15ca2a4763 am: ca50d7b66a am: 64f0de7a13 am: e4ec60e045 am: e0d3b0ceab

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am: f127896675

Change-Id: I08b867c83803ad28cf524af3f81eec7dd8b9a121
This commit is contained in:
Tianjie Xu
2017-01-18 22:43:49 +00:00
committed by android-build-merger
parent 397c6c5382 f127896675
commit db20859dcc
1 changed files with 6 additions and 0 deletions
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verifier.cpp
+6
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@@ -147,6 +147,12 @@ int verify_file(unsigned char* addr, size_t length,
LOG(INFO) << "comment is " << comment_size << " bytes; signature is " << signature_start LOG(INFO) << "comment is " << comment_size << " bytes; signature is " << signature_start
<< " bytes from end"; << " bytes from end";
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) { if (signature_start <= FOOTER_SIZE) {
LOG(ERROR) << "Signature start is in the footer"; LOG(ERROR) << "Signature start is in the footer";
return VERIFY_FAILURE; return VERIFY_FAILURE;