diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-02-11 10:37:38 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-15 09:57:14 +0800 |
| commit | e1c924e85a937de5e1d0dd6c47f094b089952e0c (patch) | |
| tree | 1ac6dc58b35ff2b571e369b85410cb276b026e03 /include/linux/lockd | |
| parent | ca739e3fd7dc803d526ea5bb9b80c0d07fbca55f (diff) | |
nlm: Ensure callback code also checks that the files match
commit 251af29c320d86071664f02c76f0d063a19fefdf upstream.
It is not sufficient to just check that the lock pids match when
granting a callback, we also need to ensure that we're granting
the callback on the right file.
Reported-by: Pankaj Singh <psingh.ait@gmail.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/lockd')
| -rw-r--r-- | include/linux/lockd/lockd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index c15373894a42..b37dee3acaba 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -355,7 +355,8 @@ static inline int nlm_privileged_requester(const struct svc_rqst *rqstp) static inline int nlm_compare_locks(const struct file_lock *fl1, const struct file_lock *fl2) { - return fl1->fl_pid == fl2->fl_pid + return file_inode(fl1->fl_file) == file_inode(fl2->fl_file) + && fl1->fl_pid == fl2->fl_pid && fl1->fl_owner == fl2->fl_owner && fl1->fl_start == fl2->fl_start && fl1->fl_end == fl2->fl_end |