tor

commit 8e1b37a4aa9d6277637f82100ac1823a6a193c63
parent 80ad374b8457e4c92f88f8a89376a8ca87231c9c
Author: teor <teor2345@gmail.com>
Date:   Fri, 16 Jun 2017 09:38:18 +1000

Check if tor_compress_new() returns NULL in tor_compress_impl()

Partial fix to 22626.

Diffstat:
M
src/common/compress.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/common/compress.c b/src/common/compress.c
@@ -128,6 +128,11 @@ tor_compress_impl(int compress,
           // inputs.
           tor_compress_free(stream);
           stream = tor_compress_new(compress, method, compression_level);
+          if (stream == NULL) {
+            log_warn(LD_GENERAL, "NULL stream while %scompressing",
+                     compress?"":"de");
+            goto err;
+          }
         }
         break;
       case TOR_COMPRESS_OK: