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[PATCH] libanl: properly cleanup if first helper thread creation failed (bug 22927)
- From: Andreas Schwab <schwab at suse dot de>
- To: libc-alpha at sourceware dot org
- Date: Mon, 05 Nov 2018 14:08:34 +0100
- Subject: [PATCH] libanl: properly cleanup if first helper thread creation failed (bug 22927)
[BZ #22927]
* resolv/gai_misc.c (__gai_enqueue_request): Don't crash if
creating the first helper thread failed.
---
resolv/gai_misc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
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;
--
2.19.1
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."