* [2.28 COMMITTED] libanl: properly cleanup if first helper thread creation failed (bug 22927)
@ 2018-01-01 0:00 Florian Weimer
0 siblings, 0 replies; only message in thread
From: Florian Weimer @ 2018-01-01 0:00 UTC (permalink / raw)
To: libc-stable
From: Andreas Schwab <schwab@suse.de>
(cherry picked from commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251)
2018-11-05 Andreas Schwab <schwab@suse.de>
[BZ #22927]
* resolv/gai_misc.c (__gai_enqueue_request): Don't crash if
creating the first helper thread failed.
diff --git a/NEWS b/NEWS
index f3004915f2..b85be4a9c1 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,7 @@ Version 2.28.1
The following bugs are resolved with this release:
[20209] localedata: Spelling mistake for Sunday in Greenlandic kl_GL
+ [22927] libanl: properly cleanup if first helper thread creation failed
[23400] stdlib/test-bz22786.c creates temporary files in glibc source tree
[23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
[23521] nss_files aliases database file stream leak
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;
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2018-01-01 0:00 [2.28 COMMITTED] libanl: properly cleanup if first helper thread creation failed (bug 22927) Florian Weimer
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