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authorNick Mathewson <nickm@torproject.org>2016-12-18 20:17:28 -0500
committerNick Mathewson <nickm@torproject.org>2016-12-18 20:17:28 -0500
commit0fb3058eced5dce355d777288bd9ec255b875db4 (patch)
tree649dd8c22b9d7138171e50418b3633b5070706ad
parentd978216dea6b21ac38230a59d172139185a68dbd (diff)
downloadtor-0fb3058eced5dce355d777288bd9ec255b875db4.tar.gz
tor-0fb3058eced5dce355d777288bd9ec255b875db4.zip
Make log message warn about detected attempts to exploit 21018.
-rw-r--r--src/or/rendcommon.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c
index d1f8b1af99..296df55664 100644
--- a/src/or/rendcommon.c
+++ b/src/or/rendcommon.c
@@ -1327,8 +1327,10 @@ rend_cache_store_v2_desc_as_client(const char *desc,
intro_size);
if (n_intro_points <= 0) {
log_warn(LD_REND, "Failed to parse introduction points. Either the "
- "service has published a corrupt descriptor or you have "
- "provided invalid authorization data.");
+ "service has published a corrupt descriptor, or you have "
+ "provided invalid authorization data, or (maybe!) the "
+ "server is deliberately serving broken data in an attempt "
+ "to crash you with bug 21018.");
retval = -2;
goto err;
} else if (n_intro_points > MAX_INTRO_POINTS) {