Here are PR_SET_MM_*_CODE, PR_SET_MM_ARG_*, PR_SET_MM_ENV_*,
PR_SET_MM_AUXV.

Looks like all these parameters can break only the current task and
can not affect other tasks or limits.

Cc: Andrew Morton <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Cc: Aditya Kali <[email protected]>
Signed-off-by: Andrey Vagin <[email protected]>
---
 kernel/sys.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/sys.c b/kernel/sys.c
index 2f0925d..154cf47 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1719,8 +1719,7 @@ static int prctl_set_mm(int opt, unsigned long addr,
                        if (!issecure(SECURE_SET_EXE_FILE))
                                return -EPERM;
                        break;
-               default:
-                       return -EPERM;
+               /* Other options don't require special capabilities */
                }
        }
 
-- 
1.8.5.3

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