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Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

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Pull proc fix from Eric Biederman:
 "Much to my surprise syzbot found a very old bug in proc that the
  recent changes made easier to reproce. This bug is subtle enough it
  looks like it fooled everyone who should know better"

* 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: Use new_inode not new_inode_pseudo
This commit is contained in:
Linus Torvalds 2020-06-12 12:38:18 -07:00
commit 44ebe016df
3 changed files with 3 additions and 3 deletions
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2
fs/proc/inode.c
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@ -617,7 +617,7 @@ const struct inode_operations proc_link_inode_operations = {
struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
{
struct inode *inode = new_inode_pseudo(sb);
struct inode *inode = new_inode(sb);
if (inode) {
inode->i_ino = de->low_ino;

2
fs/proc/self.c
View file

@ -43,7 +43,7 @@ int proc_setup_self(struct super_block *s)
inode_lock(root_inode);
self = d_alloc_name(s->s_root, "self");
if (self) {
struct inode *inode = new_inode_pseudo(s);
struct inode *inode = new_inode(s);
if (inode) {
inode->i_ino = self_inum;
inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);

2
fs/proc/thread_self.c
View file

@ -43,7 +43,7 @@ int proc_setup_thread_self(struct super_block *s)
inode_lock(root_inode);
thread_self = d_alloc_name(s->s_root, "thread-self");
if (thread_self) {
struct inode *inode = new_inode_pseudo(s);
struct inode *inode = new_inode(s);
if (inode) {
inode->i_ino = thread_self_inum;
inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);