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GNU C Library master sources branch release/2.26/master updated. glibc-2.26-191-gfcd86c6
- From: fw at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 6 Nov 2018 17:08:33 -0000
- Subject: GNU C Library master sources branch release/2.26/master updated. glibc-2.26-191-gfcd86c6
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=fcd86c62538b465eaf002b0ed8981d00e10b649f
commit fcd86c62538b465eaf002b0ed8981d00e10b649f
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Nov 6 17:12:07 2018 +0100
libanl: properly cleanup if first helper thread creation failed (bug 22927)
(cherry picked from commit bd3b0fbae33a9a4cc5e2daf049443d5cf03d4251)
diff --git a/ChangeLog b/ChangeLog
index 17a9232..390b91c 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.
+
2018-10-23 Adhemerval Zanella <adhemerval.zanella@linaro.org>
[BZ #23709]
diff --git a/NEWS b/NEWS
index d99732f..3c708d2 100644
--- a/NEWS
+++ b/NEWS
@@ -141,6 +141,7 @@ The following bugs are resolved with this release:
[22753] libc: preadv2/pwritev2 fallback code should handle offset=-1
[22774] malloc: Integer overflow in malloc (CVE-2018-6551)
[22786] Fix path length overflow in realpath
+ [22927] libanl: properly cleanup if first helper thread creation failed
[23005] resolv: Fix crash in resolver on memory allocation failure
[23024] getlogin_r: return early when linux sentinel value is set
[23037] resolv: Fully initialize struct mmsghdr in send_dg
diff --git a/resolv/gai_misc.c b/resolv/gai_misc.c
index fd9aa35..5e5e4b8 100644
--- a/resolv/gai_misc.c
+++ b/resolv/gai_misc.c
@@ -264,8 +264,11 @@ __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 ++++++
NEWS | 1 +
resolv/gai_misc.c | 7 +++++--
3 files changed, 12 insertions(+), 2 deletions(-)
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