From bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Mon, 5 Nov 2018 12:47:30 +0100 Subject: libanl: properly cleanup if first helper thread creation failed (bug 22927) --- ChangeLog | 6 ++++++ resolv/gai_misc.c | 7 +++++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index ef268e8337..5268012d24 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2018-11-05 Andreas Schwab + + [BZ #22927] + * resolv/gai_misc.c (__gai_enqueue_request): Don't crash if + creating the first helper thread failed. + 2018-11-03 Samuel Thibault * sysdeps/mach/hurd/msync.c: New file. diff --git a/resolv/gai_misc.c b/resolv/gai_misc.c index e7c3b63cc5..80a2cff835 100644 --- a/resolv/gai_misc.c +++ b/resolv/gai_misc.c @@ -261,8 +261,11 @@ __gai_enqueue_request (struct gaicb *gaicbp) /* We cannot create a thread in the moment and there is also no thread running. This is a problem. `errno' is set to EAGAIN if this is only a temporary problem. */ - assert (lastp->next == newp); - lastp->next = NULL; + assert (requests == newp || lastp->next == newp); + if (lastp != NULL) + lastp->next = NULL; + else + requests = NULL; requests_tail = lastp; newp->next = freelist; -- cgit 1.4.1