diff mbox series

[v1,4/9] sysctl: Fixes idmap_cache_timeout bounds

Message ID 20250127142014.37834-5-nicolas.bouchinet@clip-os.org
State New
Headers show
Series Fixes multiple sysctl bound checks | expand

Commit Message

Nicolas Bouchinet Jan. 27, 2025, 2:20 p.m. UTC 
From: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>

Bound idmap_cache_timeout sysctl writings between SYSCTL_ZERO
and SYSCTL_INT_MAX.

The proc_handler has thus been updated to proc_dointvec_minmax.

Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>
---
 fs/nfs/nfs4sysctl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/nfs/nfs4sysctl.c b/fs/nfs/nfs4sysctl.c
index 886a7c4c60b35..19c1b7ff89f74 100644
--- a/fs/nfs/nfs4sysctl.c
+++ b/fs/nfs/nfs4sysctl.c
@@ -32,7 +32,9 @@  static struct ctl_table nfs4_cb_sysctls[] = {
 		.data = &nfs_idmap_cache_timeout,
 		.maxlen = sizeof(int),
 		.mode = 0644,
-		.proc_handler = proc_dointvec,
+		.proc_handler = proc_dointvec_minmax,
+		.extra1 = SYSCTL_ZERO,
+		.extra2 = SYSCTL_INT_MAX,
 	},
 };