rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=b3f4/1/0x4000000000000000 softirq=32233/32234 fqs=5015
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   969966          0            0
rcu: 	cputime:    35225      17264           49   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=22649 q=3354 ncpus=2)
CPU: 1 UID: 0 PID: 9420 Comm: syz.5.1037 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:arch_stack_walk+0x11c/0x150
Code: ff ff 4c 89 ff e8 84 60 09 00 48 85 c0 74 24 48 89 df 48 89 c6 4d 89 f3 2e e8 00 91 df 09 84 c0 74 11 4c 89 ff e8 b4 61 09 00 <83> bd 78 ff ff ff 00 75 cf 65 48 8b 05 23 56 04 11 48 3b 45 d8 75
RSP: 0018:ffffc90000a07ce8 EFLAGS: 00000292
RAX: 0000000090b0a901 RBX: ffffc90000a07da0 RCX: 31169c35b8bfe000
RDX: 0000000000000005 RSI: ffffffff8d8f5dca RDI: ffff888116965700
RBP: ffffc90000a07d70 R08: ffffc90005f37a10 R09: 0000000000000000
R10: ffffc90000a07d38 R11: fffff52000140fa9 R12: ffff888116965700
R13: 0000000000000000 R14: ffffffff81ac31b0 R15: ffffc90000a07ce8
FS:  00007f00999866c0(0000) GS:ffff8882a9f38000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0099965d58 CR3: 00000001a4f74000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5c/0x80
 kmem_cache_free+0x19b/0x690
 skb_release_data+0x62d/0x7c0
 sk_skb_reason_drop+0x127/0x170
 dev_kfree_skb_any_reason+0x111/0x120
 team_dummy_transmit+0x1a/0x30
 team_xmit+0x2e9/0x490
 dev_hard_start_xmit+0x2d7/0x830
 __dev_queue_xmit+0x1b99/0x3b90
 ip6_finish_output2+0xfb3/0x1480
 ip6_output+0x340/0x550
 ndisc_send_skb+0xbce/0x1510
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x17ba/0x4cc0
Code: 48 89 c6 e8 98 10 eb f5 48 89 c7 e8 20 3b 49 f6 31 ff 49 39 de 40 0f 95 c7 e8 72 44 49 f6 48 c7 84 24 00 01 00 00 0e 36 e0 45 <48> 8b 84 24 f8 00 00 00 4a c7 04 20 00 00 00 00 4a c7 44 20 09 00
RSP: 0018:ffffc90005f37740 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff888116963a00 RCX: 31169c35b8bfe000
RDX: 0000000000000000 RSI: ffffffff8bbf0e40 RDI: ffffffff8bbf0e00
RBP: ffffc90005f37950 R08: ffffffff8f7cee77 R09: 1ffffffff1ef9dce
R10: dffffc0000000000 R11: fffffbfff1ef9dcf R12: dffffc0000000000
R13: 1ffff110478c755e R14: ffff888116965700 R15: ffff888116964fcc
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:memset_orig+0x8a/0xb0
Code: 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 48 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 <4c> 89 d0 e9 8e be 02 00 48 83 fa 07 76 e3 48 89 07 49 c7 c0 08 00
RSP: 0018:ffffc90005f37ad8 EFLAGS: 00000246
RAX: fbfbfbfbfbfbfbfb RBX: ffff88816c602000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000000000fb RDI: ffffed102d8c0600
RBP: 0000000000000000 R08: dffffc0000000000 R09: 0000000000000000
R10: ffffed102d8c0400 R11: fffffbfff1ef9dcf R12: ffff888100042140
R13: 0000000000000000 R14: ffff888100042140 R15: ffffea0005b18000
 __kasan_slab_free+0x51/0x80
 kfree+0x19a/0x6d0
 tomoyo_realpath_from_path+0x598/0x5d0
 tomoyo_path_number_perm+0x1e8/0x5a0
 security_file_ioctl+0xcb/0x2d0
 __se_sys_ioctl+0x47/0x170
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0098b8f749
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0099986038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0098de6090 RCX: 00007f0098b8f749
RDX: 0000200000000100 RSI: 000000000000890c RDI: 000000000000000b
RBP: 00007f0098c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0098de6128 R14: 00007f0098de6090 R15: 00007ffebc6fe398
 </TASK>
sched: DL replenish lagged too much
