From: Dan Carpenter error27@gmail.com
commit 9cec2aaffe969f2a3e18b5ec105fc20bb908e475 upstream.
The > needs be >= to prevent an out of bounds access.
Fixes: de5ca4c3852f ("net: sched: sch: Bounds check priority") Signed-off-by: Dan Carpenter error27@gmail.com Reviewed-by: Simon Horman simon.horman@corigine.com Reviewed-by: Kees Cook keescook@chromium.org Link: https://lore.kernel.org/r/Y+D+KN18FQI2DKLq@kili Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/sched/sch_htb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -407,7 +407,7 @@ static void htb_activate_prios(struct ht while (m) { unsigned int prio = ffz(~m);
- if (WARN_ON_ONCE(prio > ARRAY_SIZE(p->inner.clprio))) + if (WARN_ON_ONCE(prio >= ARRAY_SIZE(p->inner.clprio))) break; m &= ~(1 << prio);