1 files changed, 5 insertions, 0 deletions
diff --git a/chromium/third_party/crashpad/crashpad/util/linux/ptrace_client.cc b/chromium/third_party/crashpad/crashpad/util/linux/ptrace_client.cc
index 1863841f73f..32cc35d9567 100644
--- a/chromium/third_party/crashpad/crashpad/util/linux/ptrace_client.cc
+++ b/chromium/third_party/crashpad/crashpad/util/linux/ptrace_client.cc
@@ -331,6 +331,11 @@ ssize_t PtraceClient::ReadUpTo(VMAddress address, size_t size, void* buffer) {
       return total_read;
     }
 
+    if (static_cast<size_t>(bytes_read) > size) {
+      LOG(ERROR) << "invalid size " << bytes_read;
+      return -1;
+    }
+
     if (!LoggingReadFileExactly(sock_, buffer_c, bytes_read)) {
       return -1;
     }