[Xen-devel] [PATCH 8/8] xenstored: fix possible, but unlikely, stack overflow

[Matthew Daley <mattjd@xxxxxxxxx>]

...when reading xenbus port from xenfs.

Coverity-ID: 1055741
Signed-off-by: Matthew Daley <mattjd@xxxxxxxxx>
---
 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


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel