prctl: exe link permission error changed from -EINVAL to -EPERM
This brings consistency with the rest of the prctl() syscall where
-EPERM is returned when failing a capability check.
Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com>
Signed-off-by: Adrian Reber <areber@redhat.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Link: https://lore.kernel.org/r/20200719100418.2112740-7-areber@redhat.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
diff --git a/kernel/sys.c b/kernel/sys.c
index a3f4ef0bb..ca11af9 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2015,7 +2015,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data
* This may have implications in the tomoyo subsystem.
*/
if (!checkpoint_restore_ns_capable(current_user_ns()))
- return -EINVAL;
+ return -EPERM;
error = prctl_set_mm_exe_file(mm, prctl_map.exe_fd);
if (error)
