diff options
| author | Anders Bakken <agbakken@gmail.com> | 2016-03-07 11:38:26 -0800 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2016-03-08 00:25:53 +0100 |
| commit | 46bf7ff78d2e851dafe2d20f003283979b2962f9 (patch) | |
| tree | f9ef6fad83745d9d46e256cf91f982e65c2db1c9 /lib/pipeline.c | |
| parent | 7e8b65c00bcaf3e7b6cf8244a556e36ed0a5a22b (diff) | |
pipeline: Sanity check pipeline pointer before accessing it.
I got a crash with this stack:
curl/lib/url.c:2873 (Curl_removeHandleFromPipeline)
curl/lib/url.c:2919 (Curl_getoff_all_pipelines)
curl/lib/multi.c:561 (curl_multi_remove_handle)
curl/lib/url.c:415 (Curl_close)
curl/lib/easy.c:859 (curl_easy_cleanup)
Closes #704
Diffstat (limited to 'lib/pipeline.c')
| -rw-r--r-- | lib/pipeline.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/pipeline.c b/lib/pipeline.c index e4400fdde..95b89b54b 100644 --- a/lib/pipeline.c +++ b/lib/pipeline.c @@ -323,10 +323,11 @@ CURLMcode Curl_pipeline_set_server_blacklist(char **servers, static bool pipe_head(struct SessionHandle *data, struct curl_llist *pipeline) { - struct curl_llist_element *curr = pipeline->head; - if(curr) - return (curr->ptr == data) ? TRUE : FALSE; - + if(pipeline) { + struct curl_llist_element *curr = pipeline->head; + if(curr) + return (curr->ptr == data) ? TRUE : FALSE; + } return FALSE; } |