[PATCH 1/3] sysctl: add sanity check for proc_douintvec

From	Liping Zhang <zlpnobody@163.com>
Newsgroups	linux.kernel
Subject	[PATCH 1/3] sysctl: add sanity check for proc_douintvec
Date	2017-04-07 18:00 +0200
Message-ID	<ttEsO-K9-21@gated-at.bofh.it> (permalink)
References	<ttEsN-K9-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Liping Zhang <zlpnobody@gmail.com>

Commit e7d316a02f68 ("sysctl: handle error writing UINT_MAX to u32 fields")
introduced the proc_douintvec helper function, but it forgot to add
the related sanity check when doing register_sysctl_table. So add it now.

Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
---
 fs/proc/proc_sysctl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 8f91ec6..d04ea43 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1074,6 +1074,7 @@ static int sysctl_check_table(const char *path, struct ctl_table *table)
 
 		if ((table->proc_handler == proc_dostring) ||
 		    (table->proc_handler == proc_dointvec) ||
+		    (table->proc_handler == proc_douintvec) ||
 		    (table->proc_handler == proc_dointvec_minmax) ||
 		    (table->proc_handler == proc_dointvec_jiffies) ||
 		    (table->proc_handler == proc_dointvec_userhz_jiffies) ||
-- 
2.5.5

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[PATCH 0/3] sysctl: fix some bugs related to proc_douintvec Liping Zhang <zlpnobody@163.com> - 2017-04-07 18:00 +0200
  [PATCH 2/3] sysctl: don't print negative flag for proc_douintvec Liping Zhang <zlpnobody@163.com> - 2017-04-07 18:00 +0200
  [PATCH 1/3] sysctl: add sanity check for proc_douintvec Liping Zhang <zlpnobody@163.com> - 2017-04-07 18:00 +0200

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