This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
[PATCH] Fix crash in resolver on memory allocation failure (bug 23005)
- From: Andreas Schwab <schwab at suse dot de>
- To: libc-alpha at sourceware dot org
- Date: Tue, 27 Mar 2018 12:28:06 +0200
- Subject: [PATCH] Fix crash in resolver on memory allocation failure (bug 23005)
[BZ #23005]
* resolv/res_send.c (__res_context_send): Return ENOMEM if
allocation of private copy of nsaddr_list fails.
---
resolv/res_send.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/resolv/res_send.c b/resolv/res_send.c
index dde0425a33..7debf143f7 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -471,6 +471,11 @@ __res_context_send (struct resolv_context *ctx,
'\0',
sizeof (struct sockaddr_in6)
- sizeof (struct sockaddr_in));
+ else
+ {
+ __set_errno (ENOMEM);
+ return -1;
+ }
}
EXT(statp).nscount = statp->nscount;
}
--
2.16.3
--
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."