commit 8e1b37a4aa9d6277637f82100ac1823a6a193c63 Author: teor teor2345@gmail.com Date: Fri Jun 16 09:38:18 2017 +1000

Check if tor_compress_new() returns NULL in tor_compress_impl()

Partial fix to 22626. --- src/common/compress.c | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/src/common/compress.c b/src/common/compress.c index 6513029..92b64d1 100644 --- 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: