From dca4cdf071be095bcdc7126eaa77a8946ea4790b Mon Sep 17 00:00:00 2001 From: Daniel Stenberg <daniel@haxx.se> Date: Thu, 9 Mar 2023 18:01:34 +0100 Subject: [PATCH] CURLSHOPT_SHARE.3: HSTS sharing is not thread-safe Reported-by: Hiroki Kurosawa Closes #10732 --- docs/libcurl/opts/CURLSHOPT_SHARE.3 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: curl/docs/libcurl/opts/CURLSHOPT_SHARE.3 =================================================================== --- curl.orig/docs/libcurl/opts/CURLSHOPT_SHARE.3 +++ curl/docs/libcurl/opts/CURLSHOPT_SHARE.3 @@ -57,8 +57,7 @@ implemented until 7.23.0. Put the connection cache in the share object and make all easy handles using this share object share the connection cache. -Note that due to a known bug, it is not safe to share connections this way -between multiple concurrent threads. +It is not supported to share connections between multiple concurrent threads. Connections that are used for HTTP/1.1 Pipelining or HTTP/2 multiplexing only get additional transfers added to them if the existing connection is held by @@ -82,6 +81,8 @@ multi handle will share PSL cache by def .IP CURL_LOCK_DATA_HSTS The in-memory HSTS cache. +It is not supported to share the HSTS between multiple concurrent threads. + Added in 7.88.0 .SH PROTOCOLS All
