diff options
| -rw-r--r-- | fs/btrfs/file.c | 2 | ||||
| -rw-r--r-- | fs/ceph/file.c | 2 | ||||
| -rw-r--r-- | fs/fuse/file.c | 2 | ||||
| -rw-r--r-- | fs/inode.c | 13 | ||||
| -rw-r--r-- | fs/ntfs/file.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_file.c | 2 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 | ||||
| -rw-r--r-- | mm/filemap.c | 2 |
8 files changed, 15 insertions, 12 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index b072e17..86f9728 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1748,7 +1748,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb, } current->backing_dev_info = inode_to_bdi(inode); - err = file_remove_suid(file); + err = file_remove_privs(file); if (err) { mutex_unlock(&inode->i_mutex); goto out; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 3b6b522..e55fe32 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -959,7 +959,7 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from) pos = iocb->ki_pos; count = iov_iter_count(from); - err = file_remove_suid(file); + err = file_remove_privs(file); if (err) goto out; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 5ef05b5..1344647 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1169,7 +1169,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from) if (err <= 0) goto out; - err = file_remove_suid(file); + err = file_remove_privs(file); if (err) goto out; @@ -1685,7 +1685,11 @@ static int __remove_suid(struct dentry *dentry, int kill) return notify_change(dentry, &newattrs, NULL); } -int file_remove_suid(struct file *file) +/* + * Remove special file priviledges (suid, capabilities) when file is written + * to or truncated. + */ +int file_remove_privs(struct file *file) { struct dentry *dentry = file->f_path.dentry; struct inode *inode = d_inode(dentry); @@ -1711,7 +1715,7 @@ int file_remove_suid(struct file *file) return error; } -EXPORT_SYMBOL(file_remove_suid); +EXPORT_SYMBOL(file_remove_privs); /** * file_update_time - update mtime and ctime time @@ -1966,9 +1970,8 @@ EXPORT_SYMBOL(inode_dio_wait); * inode is being instantiated). The reason for the cmpxchg() loop * --- which wouldn't be necessary if all code paths which modify * i_flags actually followed this rule, is that there is at least one - * code path which doesn't today --- for example, - * __generic_file_aio_write() calls file_remove_suid() without holding - * i_mutex --- so we use cmpxchg() out of an abundance of caution. + * code path which doesn't today so we use cmpxchg() out of an abundance + * of caution. * * In the long run, i_mutex is overkill, and we should probably look * at using the i_lock spinlock to protect i_flags, and then make sure diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index 7bb487e..182bb93 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -382,7 +382,7 @@ static ssize_t ntfs_prepare_file_for_write(struct kiocb *iocb, base_ni = ni; if (NInoAttr(ni)) base_ni = ni->ext.base_ntfs_ino; - err = file_remove_suid(file); + err = file_remove_privs(file); if (unlikely(err)) goto out; /* diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 8121e75..f3e4fbb 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -623,7 +623,7 @@ restart: * setgid bits if the process is not being run by root. This keeps * people from modifying setuid and setgid binaries. */ - return file_remove_suid(file); + return file_remove_privs(file); } /* diff --git a/include/linux/fs.h b/include/linux/fs.h index 2c135ad..641e68d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2553,7 +2553,7 @@ extern struct inode *new_inode_pseudo(struct super_block *sb); extern struct inode *new_inode(struct super_block *sb); extern void free_inode_nonrcu(struct inode *inode); extern int should_remove_suid(struct dentry *); -extern int file_remove_suid(struct file *); +extern int file_remove_privs(struct file *); extern void __insert_inode_hash(struct inode *, unsigned long hashval); static inline void insert_inode_hash(struct inode *inode) diff --git a/mm/filemap.c b/mm/filemap.c index 6bf5e42..f851e36 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2536,7 +2536,7 @@ ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from) /* We can write back this queue in page reclaim */ current->backing_dev_info = inode_to_bdi(inode); - err = file_remove_suid(file); + err = file_remove_privs(file); if (err) goto out; |
