[17/24] sys: __sys_setfsgid(): handle fsid mappings
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Message ID 20200211165753.356508-18-christian.brauner@ubuntu.com
State New
Headers show
Series
  • user_namespace: introduce fsid mappings
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Commit Message

Christian Brauner Feb. 11, 2020, 4:57 p.m. UTC
Switch setfsgid() to lookup fsids in the fsid mappings. If no fsid mappings are
setup the behavior is unchanged, i.e. fsids are looked up in the id mappings.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
 kernel/sys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
diff mbox series

diff --git a/kernel/sys.c b/kernel/sys.c
index ae376d32c1e3..b89334ad0908 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -847,9 +847,9 @@  long __sys_setfsgid(gid_t gid)
 	kgid_t kgid;
 
 	old = current_cred();
-	old_fsgid = from_kgid_munged(old->user_ns, old->fsgid);
+	old_fsgid = from_kfsgid_munged(old->user_ns, old->fsgid);
 
-	kgid = make_kgid(old->user_ns, gid);
+	kgid = make_kfsgid(old->user_ns, gid);
 	if (!gid_valid(kgid))
 		return old_fsgid;