GNU C Library master sources branch master updated. glibc-2.28.9000-259-gbd3b0fb

schwab@sourceware.org schwab@sourceware.org
Mon Nov 5 13:49:00 GMT 2018


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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251

commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251
Author: Andreas Schwab <schwab@suse.de>
Date:   Mon Nov 5 12:47:30 2018 +0100

    libanl: properly cleanup if first helper thread creation failed (bug 22927)

diff --git a/ChangeLog b/ChangeLog
index ef268e8..5268012 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+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.
+
 2018-11-03  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 
 	* sysdeps/mach/hurd/msync.c: New file.
diff --git a/resolv/gai_misc.c b/resolv/gai_misc.c
index e7c3b63..80a2cff 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;

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog         |    6 ++++++
 resolv/gai_misc.c |    7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)


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