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* [glibc/google/grte/v5-2.27/master] Fix crash in resolver on memory allocation failure (bug 23005)
@ 2021-08-28 0:37 Fangrui Song
0 siblings, 0 replies; only message in thread
From: Fangrui Song @ 2021-08-28 0:37 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=da41ab8923709c52f4db76c8b5f5ea756f279359
commit da41ab8923709c52f4db76c8b5f5ea756f279359
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Mar 27 12:16:11 2018 +0200
Fix crash in resolver on memory allocation failure (bug 23005)
(cherry picked from commit f178e59fa5eefbbd37fde040ae8334aa5c857ee1)
Diff:
---
ChangeLog | 6 ++++++
resolv/res_send.c | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index f9d7618431..89ecd49d19 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-27 Andreas Schwab <schwab@suse.de>
+
+ [BZ #23005]
+ * resolv/res_send.c (__res_context_send): Return ENOMEM if
+ allocation of private copy of nsaddr_list fails.
+
2018-03-20 Joseph Myers <joseph@codesourcery.com>
[BZ #17343]
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;
}
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2021-08-28 0:37 [glibc/google/grte/v5-2.27/master] Fix crash in resolver on memory allocation failure (bug 23005) Fangrui Song
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