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Diffstat (limited to 'fs/udf/super.c')
-rw-r--r--fs/udf/super.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/fs/udf/super.c b/fs/udf/super.c
index dcbf98722afc..d44fb568abe1 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -171,6 +171,11 @@ static int init_inodecache(void)
static void destroy_inodecache(void)
{
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(udf_inode_cachep);
}
@@ -199,8 +204,8 @@ struct udf_options {
unsigned int rootdir;
unsigned int flags;
umode_t umask;
- gid_t gid;
- uid_t uid;
+ kgid_t gid;
+ kuid_t uid;
umode_t fmode;
umode_t dmode;
struct nls_table *nls_map;
@@ -335,9 +340,9 @@ static int udf_show_options(struct seq_file *seq, struct dentry *root)
if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_IGNORE))
seq_puts(seq, ",gid=ignore");
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_SET))
- seq_printf(seq, ",uid=%u", sbi->s_uid);
+ seq_printf(seq, ",uid=%u", from_kuid(&init_user_ns, sbi->s_uid));
if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET))
- seq_printf(seq, ",gid=%u", sbi->s_gid);
+ seq_printf(seq, ",gid=%u", from_kgid(&init_user_ns, sbi->s_gid));
if (sbi->s_umask != 0)
seq_printf(seq, ",umask=%ho", sbi->s_umask);
if (sbi->s_fmode != UDF_INVALID_MODE)
@@ -516,13 +521,17 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
case Opt_gid:
if (match_int(args, &option))
return 0;
- uopt->gid = option;
+ uopt->gid = make_kgid(current_user_ns(), option);
+ if (!gid_valid(uopt->gid))
+ return 0;
uopt->flags |= (1 << UDF_FLAG_GID_SET);
break;
case Opt_uid:
if (match_int(args, &option))
return 0;
- uopt->uid = option;
+ uopt->uid = make_kuid(current_user_ns(), option);
+ if (!uid_valid(uopt->uid))
+ return 0;
uopt->flags |= (1 << UDF_FLAG_UID_SET);
break;
case Opt_umask:
@@ -1344,6 +1353,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
udf_err(sb, "error loading logical volume descriptor: "
"Partition table too long (%u > %lu)\n", table_len,
sb->s_blocksize - sizeof(*lvd));
+ ret = 1;
goto out_bh;
}
@@ -1388,8 +1398,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
UDF_ID_SPARABLE,
strlen(UDF_ID_SPARABLE))) {
if (udf_load_sparable_map(sb, map,
- (struct sparablePartitionMap *)gpm) < 0)
+ (struct sparablePartitionMap *)gpm) < 0) {
+ ret = 1;
goto out_bh;
+ }
} else if (!strncmp(upm2->partIdent.ident,
UDF_ID_METADATA,
strlen(UDF_ID_METADATA))) {
@@ -1931,8 +1943,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
struct udf_sb_info *sbi;
uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT);
- uopt.uid = -1;
- uopt.gid = -1;
+ uopt.uid = INVALID_UID;
+ uopt.gid = INVALID_GID;
uopt.umask = 0;
uopt.fmode = UDF_INVALID_MODE;
uopt.dmode = UDF_INVALID_MODE;
@@ -2000,6 +2012,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
if (!silent)
pr_notice("Rescanning with blocksize %d\n",
UDF_DEFAULT_BLOCKSIZE);
+ brelse(sbi->s_lvid_bh);
+ sbi->s_lvid_bh = NULL;
uopt.blocksize = UDF_DEFAULT_BLOCKSIZE;
ret = udf_load_vrs(sb, &uopt, silent, &fileset);
}