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Diffstat (limited to 'fs/proc/inode.c')
-rw-r--r--fs/proc/inode.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 78fa452d65ed..f4817efb25a6 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -457,12 +457,17 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
return inode;
}
-int proc_fill_super(struct super_block *s)
+int proc_fill_super(struct super_block *s, void *data, int silent)
{
+ struct pid_namespace *ns = get_pid_ns(s->s_fs_info);
struct inode *root_inode;
int ret;
- s->s_iflags |= SB_I_USERNS_VISIBLE;
+ if (!proc_parse_options(data, ns))
+ return -EINVAL;
+
+ /* User space would break if executables appear on proc */
+ s->s_iflags |= SB_I_USERNS_VISIBLE | SB_I_NOEXEC;
s->s_flags |= MS_NODIRATIME | MS_NOSUID | MS_NOEXEC;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;