commit ffdfd39d4fc693795f1e3fd222b676fe053681be Author: rl1987 rl1987@sdf.lonestar.org Date: Thu Jul 26 17:49:27 2018 +0300

Early bailout from log_addr_has_changed() if running as client --- changes/bug26892 | 6 ++++++ src/feature/relay/router.c | 3 +++ 2 files changed, 9 insertions(+)

diff --git a/changes/bug26892 b/changes/bug26892 new file mode 100644 index 000000000..6fc8a0320 --- /dev/null +++ b/changes/bug26892 @@ -0,0 +1,6 @@ + o Minor bugfixes (logging): + - As a precaution, do an early return from + log_addr_has_changed() if Tor is running as client. Also, + log a stack trace for debugging as this function should only + be called when Tor runs as server. Fixes bug 26892; + bugfix on 0.1.1.9-alpha. diff --git a/src/feature/relay/router.c b/src/feature/relay/router.c index 973d3e110..0cc488723 100644 --- a/src/feature/relay/router.c +++ b/src/feature/relay/router.c @@ -2686,6 +2686,9 @@ log_addr_has_changed(int severity, char addrbuf_prev[TOR_ADDR_BUF_LEN]; char addrbuf_cur[TOR_ADDR_BUF_LEN];

+ if (BUG(!server_mode(get_options()))) + return; + if (tor_addr_to_str(addrbuf_prev, prev, sizeof(addrbuf_prev), 1) == NULL) strlcpy(addrbuf_prev, "???", TOR_ADDR_BUF_LEN); if (tor_addr_to_str(addrbuf_cur, cur, sizeof(addrbuf_cur), 1) == NULL)