xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: Matthew Daley <mattjd@gmail.com>
To: xen-devel@lists.xen.org
Cc: Matthew Daley <mattjd@gmail.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: [PATCH 8/8] xenstored: fix possible, but unlikely, stack overflow
Date: Wed, 11 Sep 2013 02:34:22 +1200	[thread overview]
Message-ID: <1378823662-20803-9-git-send-email-mattjd@gmail.com> (raw)
In-Reply-To: <1378823662-20803-1-git-send-email-mattjd@gmail.com>

...when reading xenbus port from xenfs.

Coverity-ID: 1055741
Signed-off-by: Matthew Daley <mattjd@gmail.com>
---
 tools/xenstore/xenstored_linux.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/xenstore/xenstored_linux.c b/tools/xenstore/xenstored_linux.c
index 5460ca5..cf40213 100644
--- a/tools/xenstore/xenstored_linux.c
+++ b/tools/xenstore/xenstored_linux.c
@@ -32,7 +32,7 @@ evtchn_port_t xenbus_evtchn(void)
 	if (fd == -1)
 		return -1;
 
-	rc = read(fd, str, sizeof(str)); 
+	rc = read(fd, str, sizeof(str) - 1);
 	if (rc == -1)
 	{
 		int err = errno;
-- 
1.7.10.4

  parent reply	other threads:[~2013-09-10 14:34 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-10 14:34 [PATCH 0/8] Fixes for various minor Coverity issues Matthew Daley
2013-09-10 14:34 ` [PATCH 1/8] x86: add missing va_end to hypercall_xlat_continuation Matthew Daley
2013-09-10 14:41   ` Andrew Cooper
2013-09-10 15:02   ` Keir Fraser
2013-09-10 14:34 ` [PATCH 2/8] sched/arinc653: check for guest data transfer failures Matthew Daley
2013-09-10 14:43   ` Andrew Cooper
2013-09-10 14:50   ` George Dunlap
2013-09-10 17:35     ` Kathy Hadley
2013-09-10 19:45       ` Ian Campbell
2013-09-10 15:03   ` Keir Fraser
2013-09-10 14:34 ` [PATCH 3/8] libxl: fix use-after-free in discard_events iteration Matthew Daley
2013-09-10 14:45   ` Ian Jackson
2013-09-10 14:34 ` [PATCH 4/8] libxl: correctly handle readlink() errors Matthew Daley
2013-09-10 14:47   ` Ian Jackson
2013-09-10 14:34 ` [PATCH 5/8] mini-os: fix use-after-free in xs_daemon_close event iteration Matthew Daley
2013-09-10 14:37   ` Samuel Thibault
2013-09-10 14:34 ` [PATCH 6/8] mini-os: handle possibly overlong _nodename in init_consfront Matthew Daley
2013-09-10 14:38   ` Samuel Thibault
2013-09-10 14:34 ` [PATCH 7/8] kdd: fix free of array-typed value Matthew Daley
2013-09-10 14:41   ` Tim Deegan
2013-09-10 14:46   ` Andrew Cooper
2013-09-10 14:34 ` Matthew Daley [this message]
2013-09-10 14:48   ` [PATCH 8/8] xenstored: fix possible, but unlikely, stack overflow Andrew Cooper
2013-09-10 14:48   ` Ian Jackson
2013-09-13 12:31 ` [PATCH 0/8] Fixes for various minor Coverity issues Ian Campbell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1378823662-20803-9-git-send-email-mattjd@gmail.com \
    --to=mattjd@gmail.com \
    --cc=ian.campbell@citrix.com \
    --cc=ian.jackson@eu.citrix.com \
    --cc=stefano.stabellini@eu.citrix.com \
    --cc=xen-devel@lists.xen.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).