id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
901	Changes in openssl master wrt SSL_shutdown()	mmuhlenhoff.wikimedia.org@…		"ngx_ssl_shutdown() currently doesn't consider a -1 return value for openssl's SSL_shutdown() function. So far the comment 

/* SSL_shutdown() never returns -1, on error it returns 0 */

was correct, but there's a recent change in openssl master which is also backported to the openssl 1.0.2 stable branch (not yet released), which changes that:
https://github.com/openssl/openssl/commit/64193c8218540499984cd63cda41f3cd491f3f59


"	defect	closed	minor		nginx-core	1.9.x	fixed				1.9.11