diff options
| author | Guoqing Jiang <gqjiang@suse.com> | 2018-10-19 12:08:22 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-08 13:05:09 +0100 |
| commit | 5acc58cd99489cf3b511741078802cccd2eb8ca6 (patch) | |
| tree | 62c150cb95bfd4d68003c3c14841ddad0da02983 | |
| parent | 11de2fae3441670b5b9d7a287a33bfb6dff93af5 (diff) | |
tipc: use destination length for copy string
commit 29e270fc32192e7729057963ae7120663856c93e upstream.
Got below warning with gcc 8.2 compiler.
net/tipc/topsrv.c: In function ‘tipc_topsrv_start’:
net/tipc/topsrv.c:660:2: warning: ‘strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
strncpy(srv->name, name, strlen(name) + 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/tipc/topsrv.c:660:27: note: length computed here
strncpy(srv->name, name, strlen(name) + 1);
^~~~~~~~~~~~
So change it to correct length and use strscpy.
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/tipc/subscr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index c2646446e157..d62affeb2a38 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -389,7 +389,7 @@ int tipc_topsrv_start(struct net *net) topsrv->tipc_conn_new = tipc_subscrb_connect_cb; topsrv->tipc_conn_release = tipc_subscrb_release_cb; - strncpy(topsrv->name, name, strlen(name) + 1); + strscpy(topsrv->name, name, sizeof(topsrv->name)); tn->topsrv = topsrv; atomic_set(&tn->subscription_count, 0); |