[Devel] [PATCH RH9 03/16] sysctl: make hotplug, printk and mmap_min_addr accessible inside a CT

Pavel Tikhomirov ptikhomirov at virtuozzo.com
Tue Sep 28 15:40:53 MSK 2021


From: Konstantin Khorenko <khorenko at virtuozzo.com>

(cherry picked from commit 22b9103caf1bb101768963fb9f66c5fe0def5ee3)
Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>

(cherry picked from vz8 commit ecce1f4ba959a818b29403c38eeb39eae184aff9)
Signed-off-by: Pavel Tikhomirov <ptikhomirov at virtuozzo.com>
---
 kernel/sysctl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 1b203142e645..50425f90433d 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2164,7 +2164,7 @@ static struct ctl_table kern_table[] = {
 		.procname	= "hotplug",
 		.data		= &uevent_helper,
 		.maxlen		= UEVENT_HELPER_PATH_LEN,
-		.mode		= 0644,
+		.mode		= 0644 | S_ISVTX,
 		.proc_handler	= proc_dostring,
 	},
 #endif
@@ -2294,7 +2294,7 @@ static struct ctl_table kern_table[] = {
 		.procname	= "printk",
 		.data		= &console_loglevel,
 		.maxlen		= 4*sizeof(int),
-		.mode		= 0644,
+		.mode		= 0644 | S_ISVTX,
 		.proc_handler	= proc_dointvec,
 	},
 	{
@@ -3119,7 +3119,7 @@ static struct ctl_table vm_table[] = {
 		.procname	= "mmap_min_addr",
 		.data		= &dac_mmap_min_addr,
 		.maxlen		= sizeof(unsigned long),
-		.mode		= 0644,
+		.mode		= 0644 | S_ISVTX,
 		.proc_handler	= mmap_min_addr_handler,
 	},
 #endif
-- 
2.31.1



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