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From: Andreas Schwab <schwab@suse.de>
To: libc-alpha@sourceware.org
Subject: [PATCH] Fix crash in resolver on memory allocation failure (bug 23005)
Date: Tue, 27 Mar 2018 10:28:00 -0000	[thread overview]
Message-ID: <mvmo9j9byo9.fsf@suse.de> (raw)

	[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."

             reply	other threads:[~2018-03-27 10:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-27 10:28 Andreas Schwab [this message]
2018-03-27 15:20 ` Carlos O'Donell

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