diff options
Diffstat (limited to 'fs/fuse/cuse.c')
| -rw-r--r-- | fs/fuse/cuse.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index e9e97803442a..8f68181256c0 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -48,6 +48,7 @@ #include <linux/stat.h> #include <linux/module.h> #include <linux/uio.h> +#include <linux/user_namespace.h> #include "fuse_i.h" @@ -406,7 +407,7 @@ err_unlock: err_region: unregister_chrdev_region(devt, 1); err: - fuse_abort_conn(fc); + fuse_abort_conn(fc, false); goto out; } @@ -498,7 +499,11 @@ static int cuse_channel_open(struct inode *inode, struct file *file) if (!cc) return -ENOMEM; - fuse_conn_init(&cc->fc); + /* + * Limit the cuse channel to requests that can + * be represented in file->f_cred->user_ns. + */ + fuse_conn_init(&cc->fc, file->f_cred->user_ns); fud = fuse_dev_alloc(&cc->fc); if (!fud) { @@ -581,7 +586,7 @@ static ssize_t cuse_class_abort_store(struct device *dev, { struct cuse_conn *cc = dev_get_drvdata(dev); - fuse_abort_conn(&cc->fc); + fuse_abort_conn(&cc->fc, false); return count; } static DEVICE_ATTR(abort, 0200, NULL, cuse_class_abort_store); |