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kernel/sysctl.c: fix sizeof argument to match variable name

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Fix sizeof argument to be the same as the data variable name.  Probably
a copy/paste error.

Mostly harmless since both variables are unsigned int.

Fixes kernel bugzilla #197371:
  Possible access to unintended variable in "kernel/sysctl.c" line 1339
https://bugzilla.kernel.org/show_bug.cgi?id=197371

Link: http://lkml.kernel.org/r/e0d0531f-361e-ef5f-8499-32743ba907e1@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Petru Mihancea <petrum@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Randy Dunlap 2018-04-10 16:35:14 -07:00 committed by Linus Torvalds
parent bbd876adb8
commit 2d87b309a5
1 changed files with 1 additions and 1 deletions
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2
kernel/sysctl.c
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@ -1340,7 +1340,7 @@ static struct ctl_table vm_table[] = {
{
.procname = "dirtytime_expire_seconds",
.data = &dirtytime_expire_interval,
.maxlen = sizeof(dirty_expire_interval),
.maxlen = sizeof(dirtytime_expire_interval),
.mode = 0644,
.proc_handler = dirtytime_interval_handler,
.extra1 = &zero,