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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/net/sched/sch_htb.c
.. .. @@ -405,7 +405,10 @@
405 405  	while (cl->cmode == HTB_MAY_BORROW && p && mask) {
406 406  		m = mask;
407 407  		while (m) {
408 -			int prio = ffz(~m);
408 +			unsigned int prio = ffz(~m);
409 +
410 +			if (WARN_ON_ONCE(prio >= ARRAY_SIZE(p->inner.clprio)))
411 +				break;
409 412  			m &= ~(1 << prio);
410 413  
411 414  			if (p->inner.clprio[prio].feed.rb_node)

..	..	@@ -405,7 +405,10 @@
405	405	while (cl->cmode == HTB_MAY_BORROW && p && mask) {
406	406	m = mask;
407	407	while (m) {
408		- int prio = ffz(~m);
	408	+ unsigned int prio = ffz(~m);
	409	+
	410	+ if (WARN_ON_ONCE(prio >= ARRAY_SIZE(p->inner.clprio)))
	411	+ break;
409	412	m &= ~(1 << prio);
410	413
411	414	if (p->inner.clprio[prio].feed.rb_node)