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Cast Alters Value  at packet-iscsi.c:580

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handleDataDigest

(/home/sate/Testcases/c/cve/wireshark-1.2.0/epan/dissectors/packet-iscsi.c)expand/collapse
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 564  handleDataDigest(proto_item *ti, tvbuff_t *tvb, guint offset, int dataLen) {
 565[+]     int available_bytes = tvb_length_remaining(tvb, offset);
 566      if(enableDataDigests) {
 567          if(dataDigestIsCRC32) {
 568              if(available_bytes >= (dataLen + 4)) {
 569                  guint32 crc = ~calculate_crc32c(tvb_get_ptr(tvb, offset, dataLen), dataLen, CRC32C_PRELOAD);
 570                  guint32 sent = tvb_get_ntohl(tvb, offset + dataLen);
 571                  if(crc == sent) {
 572                      proto_tree_add_uint_format(ti, hf_iscsi_DataDigest32, tvb, offset + dataLen, 4, sent, "DataDigest: 0x%08x (Good CRC32)", sent);
 573                  }
 574                  else {
 575                      proto_tree_add_uint_format(ti, hf_iscsi_DataDigest32, tvb, offset + dataLen, 4, sent, "DataDigest: 0x%08x (Bad CRC32, should be 0x%08x)", sent, crc);
 576                  }
 577              }
 578              return offset + dataLen + 4;
 579          }
 580          if((unsigned)available_bytes >= (dataLen + dataDigestSize)) {
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Change Warning 2699.31951 : Cast Alters Value

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