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-rw-r--r--fs/jfs/super.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index c55c745..706692f 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -321,13 +321,19 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
case Opt_uid:
{
char *uid = args[0].from;
- sbi->uid = simple_strtoul(uid, &uid, 0);
+ uid_t val = simple_strtoul(uid, &uid, 0);
+ sbi->uid = make_kuid(current_user_ns(), val);
+ if (!uid_valid(sbi->uid))
+ goto cleanup;
break;
}
case Opt_gid:
{
char *gid = args[0].from;
- sbi->gid = simple_strtoul(gid, &gid, 0);
+ gid_t val = simple_strtoul(gid, &gid, 0);
+ sbi->gid = make_kgid(current_user_ns(), val);
+ if (!gid_valid(sbi->gid))
+ goto cleanup;
break;
}
case Opt_umask:
@@ -443,7 +449,9 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_fs_info = sbi;
sb->s_max_links = JFS_LINK_MAX;
sbi->sb = sb;
- sbi->uid = sbi->gid = sbi->umask = -1;
+ sbi->uid = INVALID_UID;
+ sbi->gid = INVALID_GID;
+ sbi->umask = -1;
/* initialize the mount flag and determine the default error handler */
flag = JFS_ERR_REMOUNT_RO;
@@ -617,10 +625,10 @@ static int jfs_show_options(struct seq_file *seq, struct dentry *root)
{
struct jfs_sb_info *sbi = JFS_SBI(root->d_sb);
- if (sbi->uid != -1)
- seq_printf(seq, ",uid=%d", sbi->uid);
- if (sbi->gid != -1)
- seq_printf(seq, ",gid=%d", sbi->gid);
+ if (uid_valid(sbi->uid))
+ seq_printf(seq, ",uid=%d", from_kuid(&init_user_ns, sbi->uid));
+ if (gid_valid(sbi->gid))
+ seq_printf(seq, ",gid=%d", from_kgid(&init_user_ns, sbi->gid));
if (sbi->umask != -1)
seq_printf(seq, ",umask=%03o", sbi->umask);
if (sbi->flag & JFS_NOINTEGRITY)
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