While flags SYSLOG_ACTION_CONSOLE_ON/OFF/LEVEL of
console actin are used in syslog syscall, the related
hanlding should be targeted at host by init_syslog_ns.
Signed-off-by: Rui Xiang <rui.xiang@xxxxxxxxxx>
---
kernel/printk.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/printk.c b/kernel/printk.c
index ca951e7..bdb7ed4 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -373,6 +373,11 @@ static int check_syslog_permissions(int type, bool from_file,
if (from_file && type != SYSLOG_ACTION_OPEN)
return 0;
+ if (type == SYSLOG_ACTION_CONSOLE_OFF
+ || type == SYSLOG_ACTION_CONSOLE_ON
+ || type == SYSLOG_ACTION_CONSOLE_LEVEL)
+ ns = &init_syslog_ns;
+
if (syslog_action_restricted(type, ns)) {
if (ns_capable(ns->owner, CAP_SYSLOG))
return 0;
--
1.8.2.2
--
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