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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-30 08:33:06 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-11-30 08:33:06 +0100
commit3473065927a877e0a15c4d4b64f245ccaba24e3f (patch)
tree5d4ebdd84c192e8b2ca6c8f6be32e07f240c836c /fs/proc/self.c
parentf80c21509984190b7fd462ed2c9ac5a294a99dc5 (diff)
parentb65054597872ce3aefbc6a666385eabdf9e288da (diff)
Merge 5.10-rc6 into char-misc-next
We need the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc/self.c')
-rw-r--r--fs/proc/self.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 72cd69bcaf4a..cc71ce3466dc 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -16,6 +16,13 @@ static const char *proc_self_get_link(struct dentry *dentry,
pid_t tgid = task_tgid_nr_ns(current, ns);
char *name;
+ /*
+ * Not currently supported. Once we can inherit all of struct pid,
+ * we can allow this.
+ */
+ if (current->flags & PF_KTHREAD)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (!tgid)
return ERR_PTR(-ENOENT);
/* max length of unsigned int in decimal + NULL term */