Update miniz_tinfl.c

Additional parameter checks
richgel999 · Jan 17, 2023 · fe6330e · fe6330e
1 parent f259216
commit fe6330e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/miniz_tinfl.c b/miniz_tinfl.c
@@ -203,6 +203,10 @@ tinfl_status tinfl_decompress(tinfl_decompressor *r, const mz_uint8 *pIn_buf_nex
     size_t out_buf_size_mask = (decomp_flags & TINFL_FLAG_USING_NON_WRAPPING_OUTPUT_BUF) ? (size_t)-1 : ((pOut_buf_next - pOut_buf_start) + *pOut_buf_size) - 1, dist_from_out_buf_start;
 
     /* Ensure the output buffer's size is a power of 2, unless the output buffer is large enough to hold the entire output file (in which case it doesn't matter). */
+    if ((!pOut_buf_start) || (!pOut_buf_next) || (!pIn_buf_size) || (!pOut_buf_size))
+    {
+        return TINFL_STATUS_BAD_PARAM;
+    }
     if (((out_buf_size_mask + 1) & out_buf_size_mask) || (pOut_buf_next < pOut_buf_start))
     {
         *pIn_buf_size = *pOut_buf_size = 0;