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[v2,3/6] sysctl/coda: Fixes timeout bounds

Message ID 20250224095826.16458-4-nicolas.bouchinet@clip-os.org (mailing list archive)
State New
Headers show
Series Fixes multiple sysctl bound checks | expand

Commit Message

Nicolas Bouchinet Feb. 24, 2025, 9:58 a.m. UTC 
From: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>

Bound coda 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/coda/sysctl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c
index 0df46f09b6cc5..d6f8206c51575 100644
--- a/fs/coda/sysctl.c
+++ b/fs/coda/sysctl.c
@@ -20,7 +20,9 @@  static const struct ctl_table coda_table[] = {
 		.data		= &coda_timeout,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_INT_MAX,
 	},
 	{
 		.procname	= "hard",