rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=6794/1/0x4000000000000000 softirq=139930/139931 fqs=4707
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1015810          0            0
rcu: 	cputime:    33197      19292           87   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=115573 q=2195 ncpus=2)
CPU: 0 UID: 0 PID: 30528 Comm: syz.2.6899 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:native_apic_msr_write+0x39/0x50
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 d0 61 08 0a cc 89 f6 31 d2 e9 96 a1 5f 03 66 0f 1f 44 00
RSP: 0018:ffffc900000074e8 EFLAGS: 00000246
RAX: 00000000000000f6 RBX: 0000000000000200 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
RBP: ffffc900000075c0 R08: ffffc90000007547 R09: 1ffff92000000ea8
R10: dffffc0000000000 R11: fffff52000000ea9 R12: ffffffff8e497d01
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888121031c70
FS:  00007f027723e6c0(0000) GS:ffff88818e328000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555583da4e8 CR3: 00000001ab12c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_irq_work_raise+0x6d/0x80
 __irq_work_queue_local+0x1eb/0x540
 irq_work_queue+0x99/0x140
 __kfence_alloc+0x2b6/0x3e0
 __kmalloc_cache_noprof+0x5e9/0x6e0
 dst_cow_metrics_generic+0x56/0x1c0
 icmp6_dst_alloc+0x264/0x420
 ndisc_send_skb+0x42d/0x14e0
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x5a0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x7c0
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 83 f2 17 f6 e8 9e 7a 50 f6 fb bf 01 00 00 00 <e8> e3 a9 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 24 7c 50 f6 bf 01
RSP: 0018:ffffc90007676f50 EFLAGS: 00000206
RAX: 000000000000153f RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8dad379b RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff8fced577 R09: 1ffffffff1f9daae
R10: dffffc0000000000 R11: fffffbfff1f9daaf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x597/0x620
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x17/0x70
Code: cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d 08 e8 0c 11 65 8b 15 29 e8 0c 11 <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 6c 16 00 00
RSP: 0018:ffffc90007677070 EFLAGS: 00000246
RAX: ffffffff8b74adf0 RBX: 0000000000000025 RCX: ffff88816f598000
RDX: 0000000080000000 RSI: ffffffff8fb60d70 RDI: 0000000000000025
RBP: ffffffff8b95b740 R08: ffff88816f598000 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff8b95b741
R13: ffffc90007677120 R14: 0000000000000001 R15: ffffffff8b95b740
 format_decode+0xb0/0xe10
 vsnprintf+0x102/0xee0
 vscnprintf+0x41/0x90
 bpf_verifier_vlog+0x42/0x8f0
 verbose+0x11d/0x1a0
 print_bpf_insn+0x17d9/0x28a0
 compute_live_registers+0x17ad/0x1a30
 bpf_check+0x5ebc/0x1cdd0
 bpf_prog_load+0x1484/0x1ae0
 __sys_bpf+0x618/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f027639acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f027723e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0276616090 RCX: 00007f027639acb9
RDX: 0000000000000094 RSI: 0000200000000340 RDI: 0000000000000005
RBP: 00007f0276408bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0276616128 R14: 00007f0276616090 R15: 00007ffce4843438
 </TASK>
