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authorLiping Zhang <zlpnobody@gmail.com>2017-04-07 23:51:05 +0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-04-07 09:46:44 -0700
commit1680a3868f00be638a8a213a321e88d11ce7e9f7 (patch)
treec0ca43cac2911cf755b27f2861d90a199ef8e4a6
parent269c930e6698e6afa6d4606bfd241f4497597e79 (diff)
sysctl: add sanity check for proc_douintvec
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> Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/proc/proc_sysctl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 8f91ec66baa3..d04ea4349909 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) ||