[Xen-changelog] [xen master] xenstored: fix possible, but unlikely, stack overflow

[patchbot@xxxxxxx]

commit ba033a204b022cd4a2a8fd2c836d874090cb78e9
Author:     Matthew Daley <mattjd@xxxxxxxxx>
AuthorDate: Wed Sep 11 02:34:22 2013 +1200
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri Sep 13 13:15:30 2013 +0100

    xenstored: fix possible, but unlikely, stack overflow
    
    ...when reading xenbus port from xenfs.
    
    Coverity-ID: 1055741
    Signed-off-by: Matthew Daley <mattjd@xxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/xenstore/xenstored_linux.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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;
--
generated by git-patchbot for /home/xen/git/xen.git#master

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