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| author | Kees Cook <keescook@chromium.org> | 2013-07-03 15:04:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:41 -0700 |
| commit | f170168b9a0b61ea1e647b082b38f605f1d3de3e (patch) | |
| tree | 4381c129ee9af108e368e6c8255df53cbe233257 /fs/nfs/callback.c | |
| parent | d8537548c924db3c44afde7646b6e220c7beb79d (diff) | |
| download | linux-f170168b9a0b61ea1e647b082b38f605f1d3de3e.tar.gz linux-f170168b9a0b61ea1e647b082b38f605f1d3de3e.tar.bz2 linux-f170168b9a0b61ea1e647b082b38f605f1d3de3e.zip | |
drivers: avoid parsing names as kthread_run() format strings
Calling kthread_run with a single name parameter causes it to be handled
as a format string. Many callers are passing potentially dynamic string
content, so use "%s" in those cases to avoid any potential accidents.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nfs/callback.c')
| -rw-r--r-- | fs/nfs/callback.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index cff089a412c7..da6a43d19aa3 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -211,7 +211,6 @@ static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, struct svc_rqst *rqstp; int (*callback_svc)(void *vrqstp); struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion]; - char svc_name[12]; int ret; nfs_callback_bc_serv(minorversion, xprt, serv); @@ -235,10 +234,10 @@ static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, svc_sock_update_bufs(serv); - sprintf(svc_name, "nfsv4.%u-svc", minorversion); cb_info->serv = serv; cb_info->rqst = rqstp; - cb_info->task = kthread_run(callback_svc, cb_info->rqst, svc_name); + cb_info->task = kthread_run(callback_svc, cb_info->rqst, + "nfsv4.%u-svc", minorversion); if (IS_ERR(cb_info->task)) { ret = PTR_ERR(cb_info->task); svc_exit_thread(cb_info->rqst); |