diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/namei.c | 6 | ||||
| -rw-r--r-- | fs/seq_file.c | 4 |
2 files changed, 7 insertions, 3 deletions
@@ -678,7 +678,7 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd) /* Allowed if owner and follower match. */ inode = link->dentry->d_inode; - if (current_cred()->fsuid == inode->i_uid) + if (uid_eq(current_cred()->fsuid, inode->i_uid)) return 0; /* Allowed if parent directory not sticky and world-writable. */ @@ -687,7 +687,7 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd) return 0; /* Allowed if parent directory and link owner match. */ - if (parent->i_uid == inode->i_uid) + if (uid_eq(parent->i_uid, inode->i_uid)) return 0; path_put_conditional(link, nd); @@ -757,7 +757,7 @@ static int may_linkat(struct path *link) /* Source inode owner (or CAP_FOWNER) can hardlink all they like, * otherwise, it must be a safe source. */ - if (cred->fsuid == inode->i_uid || safe_hardlink_source(inode) || + if (uid_eq(cred->fsuid, inode->i_uid) || safe_hardlink_source(inode) || capable(CAP_FOWNER)) return 0; diff --git a/fs/seq_file.c b/fs/seq_file.c index 14cf9de..99dffab 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -9,6 +9,7 @@ #include <linux/export.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/cred.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -56,6 +57,9 @@ int seq_open(struct file *file, const struct seq_operations *op) memset(p, 0, sizeof(*p)); mutex_init(&p->lock); p->op = op; +#ifdef CONFIG_USER_NS + p->user_ns = file->f_cred->user_ns; +#endif /* * Wrappers around seq_open(e.g. swaps_open) need to be |
