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Add a checker for signature boundary in verifier am: 54ea136fde am: 0a34b17c8b

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am: fb80b4f72d

Change-Id: Iba2da78981e4bd7a2b263b2f6b18ab6c176e5fc8
This commit is contained in:
Tianjie Xu 2017-01-18 22:26:47 +00:00 committed by android-build-merger
commit d3d5e54a45
1 changed files with 6 additions and 0 deletions
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6
verifier.cpp
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@ -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;