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 <a...@linux-foundation.org>
Cc: Oleg Nesterov <o...@redhat.com>
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: Kees Cook <keesc...@chromium.org>
Cc: "Eric W. Biederman" <ebied...@xmission.com>
Cc: Stephen Rothwell <s...@canb.auug.org.au>
Cc: Pavel Emelyanov <xe...@parallels.com>
Cc: Aditya Kali <adityak...@google.com>
Signed-off-by: Andrey Vagin <ava...@openvz.org>
---
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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