rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10504 ticks this GP) idle=315/1/0x4000000000000000 softirq=84455/84458 fqs=5072 
	(t=10500 jiffies g=132785 q=375)
NMI backtrace for cpu 1
CPU: 1 PID: 23905 Comm: syz-executor.2 Not tainted 5.17.0-rc5-syzkaller-00219-g0b0e2ff10356 #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+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
 print_cpu_stall kernel/rcu/tree_stall.h:604 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:688 [inline]
 rcu_pending kernel/rcu/tree.c:3919 [inline]
 rcu_sched_clock_irq.cold+0x402/0x755 kernel/rcu/tree.c:2617
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428
 __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:638
RIP: 0010:__sanitizer_cov_trace_pc+0x4c/0x60 kernel/kcov.c:205
Code: 0e 85 c9 74 35 8b 82 a4 15 00 00 85 c0 74 2b 8b 82 80 15 00 00 83 f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 34 c1 48 89 01 c3 0f 1f 00 41 55
RSP: 0018:ffffc900046b7370 EFLAGS: 00000246
RAX: 000000000003ffff RBX: 0000000000001b14 RCX: ffffc90002d71000
RDX: 0000000000040000 RSI: ffffffff8761ef33 RDI: 0000000000000003
RBP: 0000000000000d89 R08: 0000000000001fff R09: 0000000000000000
R10: ffffffff8761ef21 R11: 0000000000000000 R12: ffff8880744d82c0
R13: 0000000000001b13 R14: 0000000000000000 R15: dffffc0000000000
 cake_heapify+0x163/0x3d0 net/sched/sch_cake.c:1426
 cake_drop net/sched/sch_cake.c:1515 [inline]
 cake_enqueue+0x13b0/0x3a00 net/sched/sch_cake.c:1903
 dev_qdisc_enqueue+0x40/0x300 net/core/dev.c:3668
 __dev_xmit_skb net/core/dev.c:3756 [inline]
 __dev_queue_xmit+0x1f61/0x37b0 net/core/dev.c:4081
 __bpf_tx_skb net/core/filter.c:2113 [inline]
 __bpf_redirect_no_mac net/core/filter.c:2138 [inline]
 __bpf_redirect+0x7f7/0xd60 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_429eb6e8dc4d6c4a+0x56/0xf30
 bpf_dispatcher_nop_func include/linux/bpf.h:784 [inline]
 __bpf_prog_run include/linux/filter.h:626 [inline]
 bpf_prog_run include/linux/filter.h:633 [inline]
 bpf_test_run+0x381/0x9d0 net/bpf/test_run.c:120
 bpf_prog_test_run_skb+0xaf1/0x1dc0 net/bpf/test_run.c:666
 bpf_prog_test_run kernel/bpf/syscall.c:3353 [inline]
 __sys_bpf+0x1839/0x5970 kernel/bpf/syscall.c:4655
 __do_sys_bpf kernel/bpf/syscall.c:4741 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4739 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4739
 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: 0033:0x7f33a2ad4049
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:00007f33a1449168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f33a2be6f60 RCX: 00007f33a2ad4049
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00007f33a2b2e08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc6f4e2eaf R14: 00007f33a1449300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	85 c9                	test   %ecx,%ecx
   2:	74 35                	je     0x39
   4:	8b 82 a4 15 00 00    	mov    0x15a4(%rdx),%eax
   a:	85 c0                	test   %eax,%eax
   c:	74 2b                	je     0x39
   e:	8b 82 80 15 00 00    	mov    0x1580(%rdx),%eax
  14:	83 f8 02             	cmp    $0x2,%eax
  17:	75 20                	jne    0x39
  19:	48 8b 8a 88 15 00 00 	mov    0x1588(%rdx),%rcx
  20:	8b 92 84 15 00 00    	mov    0x1584(%rdx),%edx
  26:	48 8b 01             	mov    (%rcx),%rax
* 29:	48 83 c0 01          	add    $0x1,%rax <-- trapping instruction
  2d:	48 39 c2             	cmp    %rax,%rdx
  30:	76 07                	jbe    0x39
  32:	48 89 34 c1          	mov    %rsi,(%rcx,%rax,8)
  36:	48 89 01             	mov    %rax,(%rcx)
  39:	c3                   	retq
  3a:	0f 1f 00             	nopl   (%rax)
  3d:	41 55                	push   %r13