diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fuse/dev.c | 13 | ||||
| -rw-r--r-- | fs/fuse/file.c | 3 |
2 files changed, 7 insertions, 9 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index c16d00e53264..13c65dd2d37d 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1222,9 +1222,6 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, struct fuse_in *in; unsigned reqsize; - if (task_active_pid_ns(current) != fc->pid_ns) - return -EIO; - restart: spin_lock(&fiq->waitq.lock); err = -EAGAIN; @@ -1262,6 +1259,13 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, in = &req->in; reqsize = in->h.len; + + if (task_active_pid_ns(current) != fc->pid_ns) { + rcu_read_lock(); + in->h.pid = pid_vnr(find_pid_ns(in->h.pid, fc->pid_ns)); + rcu_read_unlock(); + } + /* If request is too large, reply with an error and restart the read */ if (nbytes < reqsize) { req->out.h.error = -EIO; @@ -1823,9 +1827,6 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud, struct fuse_req *req; struct fuse_out_header oh; - if (task_active_pid_ns(current) != fc->pid_ns) - return -EIO; - if (nbytes < sizeof(struct fuse_out_header)) return -EINVAL; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index ab60051be6e5..6d8e65cec01a 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2181,9 +2181,6 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) if ((fl->fl_flags & FL_CLOSE_POSIX) == FL_CLOSE_POSIX) return 0; - if (pid && pid_nr == 0) - return -EOVERFLOW; - fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg); err = fuse_simple_request(fc, &args); |