commit e98583594d897ac32745061143e565c6f4b45f97 Author: Nick Mathewson nickm@torproject.org Date: Thu Apr 21 13:39:00 2011 -0400

Fix a bug in removing DNSPort requests from their circular list

Under heavy load, this could result in an assertion failure. Fix for bug 2933; bugfix on 0.2.0.10-alpha. --- changes/bug2933 | 4 ++++ src/or/eventdns.c | 2 +- 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/changes/bug2933 b/changes/bug2933 new file mode 100644 index 0000000..7aaf526 --- /dev/null +++ b/changes/bug2933 @@ -0,0 +1,4 @@ + o Minor bugfixes + - Fix an uncommon assertion failure when running with DNSPort under + heavy load. Fixes bug 2933; bugfix on 2.0.1-alpha. + diff --git a/src/or/eventdns.c b/src/or/eventdns.c index a889e80..2777f90 100644 --- a/src/or/eventdns.c +++ b/src/or/eventdns.c @@ -1949,7 +1949,7 @@ server_request_free(struct server_request *req)

if (req->port) { if (req->port->pending_replies == req) { - if (req->next_pending) + if (req->next_pending && req->next_pending != req) req->port->pending_replies = req->next_pending; else req->port->pending_replies = NULL;