From 5e7fdabd7df1fc6c56d104e61390bf5a6b526c38 Mon Sep 17 00:00:00 2001 From: Andreas Schwab <schwab@suse.de> Date: Wed, 18 Nov 2015 15:45:59 +0100 Subject: [PATCH] Fix resource leak in resolver (bug 19257) The number of currently defined nameservers is stored in ->nscount, whereas ->_u._ext.nscount is set by __libc_res_nsend only after local initializations. diff --git a/resolv/res_init.c b/resolv/res_init.c index 128004a..02590fb 100644 --- a/resolv/res_init.c +++ b/resolv/res_init.c @@ -580,7 +580,7 @@ __res_iclose(res_state statp, bool free_addr) { statp->_vcsock = -1; statp->_flags &= ~(RES_F_VC | RES_F_CONN); } - for (ns = 0; ns < statp->_u._ext.nscount; ns++) + for (ns = 0; ns < statp->nscount; ns++) if (statp->_u._ext.nsaddrs[ns]) { if (statp->_u._ext.nssocks[ns] != -1) { close_not_cancel_no_status(statp->_u._ext.nssocks[ns]); -- 2.9.3