shithub: sox

Info  •  Files  •  Log  •  Branches

hcom: fix double free on writing zero-length file

--- a/src/hcom.c

+++ b/src/hcom.c

@@ -445,9 +445,10 @@

   int rc = SOX_SUCCESS;

   /* Compress it all at once */

-  if (compressed_len)

+  if (compressed_len) {

     compress(ft, &compressed_data, (int32_t *)&compressed_len);

-  free(p->data);

+    free(p->data);

+  }

   /* Write the header */

   lsx_writebuf(ft, "\000\001A", (size_t) 3); /* Dummy file name "A" */