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| author | Andy Green <andy@warmcat.com> | 2016-12-12 20:41:05 +0800 |
|---|---|---|
| committer | Andy Green <andy@warmcat.com> | 2016-12-12 20:41:05 +0800 |
| commit | 31d2a2c6ddccf4b657eadbcdeef56c8b3bdfd592 (patch) | |
| tree | 021ef0c671c7faa9907e85fd567469caa5de1ba4 /lib/client-handshake.c | |
| parent | 386365d4bb1c20a29982b8a6e008daacea95d718 (diff) | |
| download | libwebsockets-upstream_210817.tar.gz libwebsockets-upstream_210817.tar.bz2 libwebsockets-upstream_210817.zip | |
client: avoid possible NULL deref on error pathupstream/1.7.9upstream_210817
https://github.com/warmcat/libwebsockets/issues/672
Diffstat (limited to 'lib/client-handshake.c')
| -rw-r--r-- | lib/client-handshake.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/client-handshake.c b/lib/client-handshake.c index f78f4f19..904f6ecd 100644 --- a/lib/client-handshake.c +++ b/lib/client-handshake.c @@ -311,8 +311,11 @@ lws_client_connect_2(struct lws *wsi) oom4: /* we're closing, losing some rx is OK */ - wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen; + if (wsi->u.hdr.ah) + wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen; + lws_header_table_detach(wsi); + /* take care that we might be inserted in fds already */ if (wsi->position_in_fds_table != -1) goto failed; |