[PATCH 17/24] sys: __sys_setfsgid(): handle fsid mappings
From: Christian Brauner <hidden>
Date: 2020-02-11 16:59:58
Also in:
linux-fsdevel, linux-security-module, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- kernel/sys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
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;
--
2.25.0