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authorKelvin Zhang <zhangkelvin@google.com>2020-09-19 10:58:59 +0200
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2020-09-19 10:58:59 +0200
commit6e970758e117c38ab8c6b3db7ba6d5ed69fb7c73 (patch)
tree6a1b77b1e1a62e27ea23f0940266b7557dec8382 /install/verifier.cpp
parent[automerger skipped] Merge "Merge mainline-release 6664920 to master - DO NOT MERGE" am: 7a899bb461 am: d3865b7a63 -s ours am: c4eabe78c5 -s ours am: c00dfe5d95 -s ours (diff)
parentMerge "Check for overflow before allocating memory fore decompression." am: c1d2c15785 am: 115a017218 am: 701b8d660d (diff)
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Diffstat (limited to 'install/verifier.cpp')
-rw-r--r--install/verifier.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/install/verifier.cpp b/install/verifier.cpp
index d8bc53f69..3f0260138 100644
--- a/install/verifier.cpp
+++ b/install/verifier.cpp
@@ -323,6 +323,12 @@ static std::vector<Certificate> IterateZipEntriesAndSearchForKeys(const ZipArchi
std::string_view name;
ZipEntry64 entry;
while ((iter_status = Next(cookie, &entry, &name)) == 0) {
+ if (entry.uncompressed_length > std::numeric_limits<size_t>::max()) {
+ LOG(ERROR) << "Failed to extract " << name
+ << " because's uncompressed size exceeds size of address space. "
+ << entry.uncompressed_length;
+ return {};
+ }
std::vector<uint8_t> pem_content(entry.uncompressed_length);
if (int32_t extract_status =
ExtractToMemory(handle, &entry, pem_content.data(), pem_content.size());