diff options
| -rw-r--r-- | core/fxcodec/codec/fx_codec_fax.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/fxcodec/codec/fx_codec_fax.cpp b/core/fxcodec/codec/fx_codec_fax.cpp index 336c35b8d4..c121478c3c 100644 --- a/core/fxcodec/codec/fx_codec_fax.cpp +++ b/core/fxcodec/codec/fx_codec_fax.cpp @@ -390,6 +390,10 @@ FX_BOOL FaxG4GetRow(const uint8_t* src_buf, if (a1 >= columns) return TRUE; + // The position of picture element must be monotonic increasing. + if (a0 >= a1) + return FALSE; + a0 = a1; a0color = !a0color; } |