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| author | Miklos Szeredi | 2007-10-18 12:06:58 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2007-10-18 23:37:29 +0200 |
| commit | e57ac68378a287d6336d187b26971f35f7ee7251 (patch) | |
| tree | 12b9ae8cc79af2d0100582e6f933aba0f4619663 /fs/fuse/inode.c | |
| parent | ext3: fix setup_new_group_blocks locking (diff) | |
| download | kernel-qcow2-linux-e57ac68378a287d6336d187b26971f35f7ee7251.tar.gz kernel-qcow2-linux-e57ac68378a287d6336d187b26971f35f7ee7251.tar.xz kernel-qcow2-linux-e57ac68378a287d6336d187b26971f35f7ee7251.zip | |
fuse: fix allowing operations
The following operation didn't check if sending the request was allowed:
setattr
listxattr
statfs
Some other operations don't explicitly do the check, but VFS calls
->permission() which checks this.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse/inode.c')
| -rw-r--r-- | fs/fuse/inode.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index fd0735715c14..00bb5a255ded 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -287,6 +287,11 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf) struct fuse_statfs_out outarg; int err; + if (!fuse_allow_task(fc, current)) { + buf->f_type = FUSE_SUPER_MAGIC; + return 0; + } + req = fuse_get_req(fc); if (IS_ERR(req)) return PTR_ERR(req); |