commit 18a4eaf5c142bae55780716464d43c2f8a9e2e49 Author: Nick Mathewson nickm@torproject.org Date: Fri Nov 2 13:30:55 2018 -0400
Avoid mmap leak if we get a consensus diff we can't use.
Fixes CID 1440819; bug not in any released Tor. --- src/feature/dirclient/dirclient.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/src/feature/dirclient/dirclient.c b/src/feature/dirclient/dirclient.c index 705bf75e5..cd88fa5eb 100644 --- a/src/feature/dirclient/dirclient.c +++ b/src/feature/dirclient/dirclient.c @@ -2221,6 +2221,7 @@ handle_response_fetch_consensus(dir_connection_t *conn, if (!consensus_body) { log_warn(LD_DIR, "Received a consensus diff, but we can't find " "any %s-flavored consensus in our current cache.",flavname); + tor_munmap_file(mapped_consensus); networkstatus_consensus_download_failed(0, flavname); // XXXX if this happens too much, see below return -1;