asn1: fix amf-ngap-ue-id unpacking overflow bug

3 years ago · 6984159c6f
parent ba092c0e9b
commit 6984159c6f
1 changed files with 1 additions and 1 deletions
--- a/lib/src/asn1/asn1_utils.cc
+++ b/lib/src/asn1/asn1_utils.cc
@ -186,7 +186,7 @@ SRSASN_CODE unpack_bits(T& val, Ptr& ptr, uint8_t& offset, const uint8_t* max_pt
      n_bits = 0;
    } else {
      auto mask = static_cast<uint8_t>((1u << (8u - offset)) - 1u);
-      val += ((uint32_t)((*ptr) & mask)) << (n_bits - 8 + offset);
+      val += static_cast<T>((*ptr) & mask) << (n_bits - 8 + offset);
      n_bits -= 8 - offset;
      offset = 0;
      ptr++;