commit 4604b3ab197af5f6d0d407bd2dbe4b0d6a14e22b Author: Nick Mathewson <nickm@torproject.org> Date: Fri Dec 18 10:00:44 2015 -0500 Fix a null-pointer deref when writing geoip stats Found by coverity; CID 1327892. --- src/or/geoip.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/or/geoip.c b/src/or/geoip.c index 3ef1672..26030ae 100644 --- a/src/or/geoip.c +++ b/src/or/geoip.c @@ -1279,6 +1279,8 @@ geoip_dirreq_stats_write(time_t now) /* Generate history string .*/ str = geoip_format_dirreq_stats(now); + if (! str) + goto done; /* Write dirreq-stats string to disk. */ if (!check_or_create_data_subdir("stats")) {