From f178e59fa5eefbbd37fde040ae8334aa5c857ee1 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 27 Mar 2018 12:16:11 +0200 Subject: [PATCH] Fix crash in resolver on memory allocation failure (bug 23005) --- ChangeLog | 6 ++++++ resolv/res_send.c | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/ChangeLog b/ChangeLog index 111623d..77751d6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2018-03-27 Andreas Schwab + + [BZ #23005] + * resolv/res_send.c (__res_context_send): Return ENOMEM if + allocation of private copy of nsaddr_list fails. + 2018-03-26 Joseph Myers [BZ #16552] diff --git a/resolv/res_send.c b/resolv/res_send.c index dde0425..7debf14 100644 --- a/resolv/res_send.c +++ b/resolv/res_send.c @@ -471,6 +471,11 @@ __res_context_send (struct resolv_context *ctx, '\0', sizeof (struct sockaddr_in6) - sizeof (struct sockaddr_in)); + else + { + __set_errno (ENOMEM); + return -1; + } } EXT(statp).nscount = statp->nscount; } -- 2.7.4