lkml.org 
[lkml]   [2020]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v5 2/6] pid: use checkpoint_restore_ns_capable() for set_tid
Date
Use the newly introduced capability CAP_CHECKPOINT_RESTORE to allow
using clone3() with set_tid set.

Signed-off-by: Adrian Reber <areber@redhat.com>
Signed-off-by: Nicolas Viennot <Nicolas.Viennot@twosigma.com>
---
kernel/pid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/pid.c b/kernel/pid.c
index de9d29c41d77..a9cbab0194d9 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -199,7 +199,7 @@ struct pid *alloc_pid(struct pid_namespace *ns, pid_t *set_tid,
if (tid != 1 && !tmp->child_reaper)
goto out_free;
retval = -EPERM;
- if (!ns_capable(tmp->user_ns, CAP_SYS_ADMIN))
+ if (!checkpoint_restore_ns_capable(tmp->user_ns))
goto out_free;
set_tid_size--;
}
--
2.26.2
\
 
 \ /
  Last update: 2020-07-15 16:52    [W:3.411 / U:0.956 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site