rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=ed1/1/0x4000000000000000 softirq=8420/8421 fqs=5246 
	(t=10502 jiffies g=9557 q=2333)
NMI backtrace for cpu 0
CPU: 0 PID: 4430 Comm: syz-executor.4 Not tainted 5.18.0-rc4-syzkaller-00196-ga9384a4c1d25 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x262/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:639 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:723 [inline]
 rcu_pending kernel/rcu/tree.c:3923 [inline]
 rcu_sched_clock_irq.cold+0xa1/0x8d6 kernel/rcu/tree.c:2625
 update_process_times+0x16d/0x200 kernel/time/timer.c:1788
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
 tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:cake_drop net/sched/sch_cake.c:1515 [inline]
RIP: 0010:cake_enqueue+0x13a1/0x3a00 net/sched/sch_cake.c:1903
Code: 01 0f 8e aa 20 00 00 45 0f b7 a7 d8 42 00 00 31 ff 44 89 e6 e8 e0 6b fe f9 66 45 85 e4 75 2d 41 bc 00 10 00 00 e8 6f 67 fe f9 <44> 89 e6 48 89 df 41 83 ec 01 e8 f0 11 ff ff 44 89 e6 bf ff ff ff
RSP: 0018:ffffc90011a6f408 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff88807f7f82c0 RCX: ffffc90005649000
RDX: 0000000000040000 RSI: ffffffff877ac8e1 RDI: 0000000000000003
RBP: dffffc0000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: ffffffff877ac8fd R11: 0000000000000000 R12: 0000000000000012
R13: 0000000000000300 R14: ffff888068600000 R15: ffff88807f7f8000
 dev_qdisc_enqueue+0x40/0x300 net/core/dev.c:3727
 __dev_xmit_skb net/core/dev.c:3816 [inline]
 __dev_queue_xmit+0x2038/0x3920 net/core/dev.c:4141
 __bpf_tx_skb net/core/filter.c:2113 [inline]
 __bpf_redirect_no_mac net/core/filter.c:2138 [inline]
 __bpf_redirect+0x83f/0xe60 net/core/filter.c:2161
 ____bpf_clone_redirect net/core/filter.c:2428 [inline]
 bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2400
 bpf_prog_a125b4b2adfd2a01+0x59/0x5e
 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 bpf_test_run+0x386/0x9d0 net/bpf/test_run.c:402
 bpf_prog_test_run_skb+0xb67/0x1e20 net/bpf/test_run.c:1111
 bpf_prog_test_run kernel/bpf/syscall.c:3369 [inline]
 __sys_bpf+0x183c/0x55d0 kernel/bpf/syscall.c:4681
 __do_sys_bpf kernel/bpf/syscall.c:4767 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4765 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4765
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe4598890e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe45a937168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe45999bf60 RCX: 00007fe4598890e9
RDX: 0000000000000048 RSI: 0000000020000140 RDI: 000000000000000a
RBP: 00007fe4598e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5a069d6f R14: 00007fe45a937300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	01 0f                	add    %ecx,(%rdi)
   2:	8e aa 20 00 00 45    	mov    0x45000020(%rdx),%gs
   8:	0f b7 a7 d8 42 00 00 	movzwl 0x42d8(%rdi),%esp
   f:	31 ff                	xor    %edi,%edi
  11:	44 89 e6             	mov    %r12d,%esi
  14:	e8 e0 6b fe f9       	callq  0xf9fe6bf9
  19:	66 45 85 e4          	test   %r12w,%r12w
  1d:	75 2d                	jne    0x4c
  1f:	41 bc 00 10 00 00    	mov    $0x1000,%r12d
  25:	e8 6f 67 fe f9       	callq  0xf9fe6799
* 2a:	44 89 e6             	mov    %r12d,%esi <-- trapping instruction
  2d:	48 89 df             	mov    %rbx,%rdi
  30:	41 83 ec 01          	sub    $0x1,%r12d
  34:	e8 f0 11 ff ff       	callq  0xffff1229
  39:	44 89 e6             	mov    %r12d,%esi
  3c:	bf                   	.byte 0xbf
  3d:	ff                   	(bad)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff