diff options
Diffstat (limited to 'sys/fs/nfsserver/nfs_nfsdstate.c')
| -rw-r--r-- | sys/fs/nfsserver/nfs_nfsdstate.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdstate.c b/sys/fs/nfsserver/nfs_nfsdstate.c index 111b0f26d0b5..3fae2be5af46 100644 --- a/sys/fs/nfsserver/nfs_nfsdstate.c +++ b/sys/fs/nfsserver/nfs_nfsdstate.c @@ -1977,6 +1977,20 @@ tryagain: error = NFSERR_BADSTATEID; } + /* + * Sanity check the stateid for the Lock/LockU cases. + */ + if (error == 0 && (new_stp->ls_flags & NFSLCK_LOCK) != 0 && + (((new_stp->ls_flags & NFSLCK_OPENTOLOCK) != 0 && + (stp->ls_flags & NFSLCK_OPEN) == 0) || + ((new_stp->ls_flags & NFSLCK_OPENTOLOCK) == 0 && + (stp->ls_flags & NFSLCK_LOCK) == 0))) + error = NFSERR_BADSTATEID; + if (error == 0 && (new_stp->ls_flags & NFSLCK_UNLOCK) != 0 && + (stp->ls_flags & NFSLCK_LOCK) == 0) + error = NFSERR_BADSTATEID; + + /* Sanity check the delegation stateid. */ if (error == 0 && (stp->ls_flags & (NFSLCK_DELEGREAD | NFSLCK_DELEGWRITE)) && getlckret == 0 && stp->ls_lfp != lfp) |