unwind stack type:0 next_sp:          (null) mask:0x6 graph_idx:0
ffff8801db2076f0: ffff8801db207778 (0xffff8801db207778)
ffff8801db2076f8: ffffffff8127eaae (__save_stack_trace+0x6e/0xd0)
ffff8801db207700: 0000000000000000 ...
ffff8801db207708: ffff8801c55d8000 (0xffff8801c55d8000)
ffff8801db207710: ffff8801c55e0000 (0xffff8801c55e0000)
ffff8801db207718: 0000000000000000 ...
ffff8801db207720: 0000000000000006 (0x6)
ffff8801db207728: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207730: 0000010100000000 (0x10100000000)
ffff8801db207738: 0000000000000000 ...
ffff8801db207740: ffff8801db2076f0 (0xffff8801db2076f0)
ffff8801db207748: ffffffff81383d83 (loop1+0x5b3/0x88a)
ffff8801db207750: ffff8801c55df878 (0xffff8801c55df878)
ffff8801db207758: 0000000001000000 (0x1000000)
ffff8801db207760: ffff8801c1645480 (0xffff8801c1645480)
ffff8801db207768: ffff8801c16454d0 (0xffff8801c16454d0)
ffff8801db207770: ffffffff81477097 (put_pid+0x177/0x1f0)
ffff8801db207778: ffff8801db207788 (0xffff8801db207788)
ffff8801db207780: ffffffff8127eb26 (save_stack_trace+0x16/0x20)
ffff8801db207788: ffff8801db2079b8 (0xffff8801db2079b8)
ffff8801db207790: ffffffff81a26a63 (save_stack+0x43/0xd0)
ffff8801db207798: 000000400000000c (0x400000000c)
ffff8801db2077a0: ffff8801db2077b0 (0xffff8801db2077b0)
ffff8801db2077a8: 0000000000000000 ...
ffff8801db2077b0: ffffffff8127eb26 (save_stack_trace+0x16/0x20)
ffff8801db2077b8: ffffffff81a26a63 (save_stack+0x43/0xd0)
ffff8801db2077c0: ffffffff81a27371 (kasan_slab_free+0x71/0xc0)
ffff8801db2077c8: ffffffff81a24487 (kmem_cache_free+0x77/0x280)
ffff8801db2077d0: ffffffff81477097 (put_pid+0x177/0x1f0)
ffff8801db2077d8: ffffffff81477126 (delayed_put_pid+0x16/0x20)
ffff8801db2077e0: ffffffff815c164e (rcu_process_callbacks+0xd3e/0x17b0)
ffff8801db2077e8: ffffffff84dabd3d (__do_softirq+0x2bd/0xbd4)
ffff8801db2077f0: ffffffff814168e3 (irq_exit+0x1d3/0x210)
ffff8801db2077f8: ffffffff84daa416 (smp_apic_timer_interrupt+0x76/0xa0)
ffff8801db207800: ffffffff84da5bbd (apic_timer_interrupt+0x9d/0xb0)
ffff8801db207808: ffffffff81383d83 (loop1+0x5b3/0x88a)
ffff8801db207810: 1ffff1003b640f03 (0x1ffff1003b640f03)
ffff8801db207818: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207820: ffffffff85751ada (K512_4+0x6ada/0x87170)
ffff8801db207828: ffffffff8155fa50 (do_raw_spin_trylock+0x190/0x190)
ffff8801db207830: ffffffff85751378 (K512_4+0x6378/0x87170)
ffff8801db207838: ffffffff8153ea00 (__bfs+0x6f0/0x750)
ffff8801db207840: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207848: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207850: ffffffff85751570 (K512_4+0x6570/0x87170)
ffff8801db207858: ffffffff81549d70 (print_usage_bug+0x480/0x480)
ffff8801db207860: ffff8801c6240cd8 (0xffff8801c6240cd8)
ffff8801db207868: ffff8801db2078b0 (0xffff8801db2078b0)
ffff8801db207870: ffffffff8154b1f2 (mark_held_locks+0xb2/0x100)
ffff8801db207878: 0000000000000001 (0x1)
ffff8801db207880: ffff880100000002 (0xffff880100000002)
ffff8801db207888: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207890: ffffffff84da40a1 (_raw_spin_unlock_irqrestore+0x31/0xba)
ffff8801db207898: dffffc0000000000 (0xdffffc0000000000)
ffff8801db2078a0: dffffc0000000000 (0xdffffc0000000000)
ffff8801db2078a8: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60)
ffff8801db2078b0: ffff8801db2078d0 (0xffff8801db2078d0)
ffff8801db2078b8: ffffffff8154b3de (trace_hardirqs_on_caller+0x19e/0x5c0)
ffff8801db2078c0: 0000000000000286 (0x286)
ffff8801db2078c8: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60)
ffff8801db2078d0: ffff8801db2078e0 (0xffff8801db2078e0)
ffff8801db2078d8: ffffffff8154b80d (trace_hardirqs_on+0xd/0x10)
ffff8801db2078e0: ffff8801db207900 (0xffff8801db207900)
ffff8801db2078e8: 0000000000000286 (0x286)
ffff8801db2078f0: 0000000000000002 (0x2)
ffff8801db2078f8: ffffffff85b3bed0 (rcu_sched_state+0x50/0x1720)
ffff8801db207900: 1ffff1003b640f28 (0x1ffff1003b640f28)
ffff8801db207908: ffff8801db207918 (0xffff8801db207918)
ffff8801db207910: ffffffff815ab137 (debug_lockdep_rcu_enabled+0x77/0x90)
ffff8801db207918: ffff8801db207ac8 (0xffff8801db207ac8)
ffff8801db207920: 0000000000000086 (0x86)
ffff8801db207928: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60)
ffff8801db207930: 0000000000000286 (0x286)
ffff8801db207938: 00000000000022b8 (0x22b8)
ffff8801db207940: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207948: ffffffff857445d0 (inat_primary_table+0x2532f0/0x257f90)
ffff8801db207950: ffffffff815be6b0 (cond_synchronize_sched+0xc0/0xc0)
ffff8801db207958: 0000000000000086 (0x86)
ffff8801db207960: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207968: ffffffff85b3be98 (rcu_sched_state+0x18/0x1720)
ffff8801db207970: 0000000000000086 (0x86)
ffff8801db207978: ffff8801c6240d48 (0xffff8801c6240d48)
ffff8801db207980: ffff8801c1645480 (0xffff8801c1645480)
ffff8801db207988: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207990: ffff8801db2079e0 (0xffff8801db2079e0)
ffff8801db207998: ffffffff8154c168 (debug_check_no_locks_freed+0x268/0x3d0)
ffff8801db2079a0: ffffffff81552d15 (lock_acquire+0x1d5/0x580)
ffff8801db2079a8: 0000000000000000 ...
ffff8801db2079b0: ffff8801dac10ac0 (0xffff8801dac10ac0)
ffff8801db2079b8: ffff8801db2079e0 (0xffff8801db2079e0)
ffff8801db2079c0: ffffffff81a27371 (kasan_slab_free+0x71/0xc0)
ffff8801db2079c8: ffff8801c1645480 (0xffff8801c1645480)
ffff8801db2079d0: ffff8801dac10ac0 (0xffff8801dac10ac0)
ffff8801db2079d8: 0000000000000286 (0x286)
ffff8801db2079e0: ffff8801db207a10 (0xffff8801db207a10)
ffff8801db2079e8: ffffffff81a24487 (kmem_cache_free+0x77/0x280)
ffff8801db2079f0: ffff8801c1645480 (0xffff8801c1645480)
ffff8801db2079f8: 1ffff1003b640f45 (0x1ffff1003b640f45)
ffff8801db207a00: 1ffff1003b640f49 (0x1ffff1003b640f49)
ffff8801db207a08: ffff8801db207a88 (0xffff8801db207a88)
ffff8801db207a10: ffff8801db207ab0 (0xffff8801db207ab0)
ffff8801db207a18: ffffffff81477097 (put_pid+0x177/0x1f0)
ffff8801db207a20: 00000000000022b8 (0x22b8)
ffff8801db207a28: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207a30: ffffffff85737a52 (inat_primary_table+0x246772/0x257f90)
ffff8801db207a38: ffffffff81476f20 (task_active_pid_ns+0xd0/0xd0)
ffff8801db207a40: dffffc0000000000 (0xdffffc0000000000)
ffff8801db207a48: ffff880100000001 (0xffff880100000001)
ffff8801db207a50: ffff8801db207a98 (0xffff8801db207a98)
ffff8801db207a58: 0000000000000000 ...
ffff8801db207a60: 00000000000022b7 (0x22b7)
ffff8801db207a68: ffffffff00000002 (0xffffffff00000002)
ffff8801db207a70: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207a78: ffffffff815c1a26 (rcu_process_callbacks+0x1116/0x17b0)
ffff8801db207a80: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60)
ffff8801db207a88: ffff8801c16454a0 (0xffff8801c16454a0)
ffff8801db207a90: ffff8801db207d48 (0xffff8801db207d48)
ffff8801db207a98: ffff8801c16454a8 (0xffff8801c16454a8)
ffff8801db207aa0: dffffc0000000000 (0xdffffc0000000000)
ffff8801db207aa8: ffff8801db207d88 (0xffff8801db207d88)
ffff8801db207ab0: ffff8801db207ac8 (0xffff8801db207ac8)
ffff8801db207ab8: ffffffff81477126 (delayed_put_pid+0x16/0x20)
ffff8801db207ac0: ffff8801c16454a0 (0xffff8801c16454a0)
ffff8801db207ac8: ffff8801db207db0 (0xffff8801db207db0)
ffff8801db207ad0: ffffffff815c164e (rcu_process_callbacks+0xd3e/0x17b0)
ffff8801db207ad8: ffff8801db226980 (0xffff8801db226980)
ffff8801db207ae0: ffffffff85b3be80 (rcu_bh_varname+0x60/0x60)
ffff8801db207ae8: ffffffff85ac97a8 (pv_irq_ops+0x8/0x60)
ffff8801db207af0: ffff8801db226a30 (0xffff8801db226a30)
ffff8801db207af8: 000000000000000a (0xa)
ffff8801db207b00: ffffed0038c48088 (0xffffed0038c48088)
ffff8801db207b08: ffff8801c6240440 (0xffff8801c6240440)
ffff8801db207b10: ffffffff81477110 (put_pid+0x1f0/0x1f0)
ffff8801db207b18: 1ffff1003b640f65 (0x1ffff1003b640f65)
ffff8801db207b20: ffff8801db2269b8 (0xffff8801db2269b8)
ffff8801db207b28: 0000000041b58ab3 (0x41b58ab3)
ffff8801db207b30: ffffffff857538d8 (K512_4+0x88d8/0x87170)
ffff8801db207b38: ffffffff815c0910 (note_gp_changes+0x650/0x650)
ffff8801db207b40: ffffffff81549d70 (print_usage_bug+0x480/0x480)
ffff8801db207b48: ffffffff84d6c919 (timerqueue_add+0x1e9/0x280)
ffff8801db207b50: ffff8801db21db98 (0xffff8801db21db98)
ffff8801db207b58: ffff8801db21d590 (0xffff8801db21d590)
ffff8801db207b60: 1ffff1003b640f80 (0x1ffff1003b640f80)
ffff8801db207b68: 0000000000000001 (0x1)
ffff8801db207b70: ffff8801c6240d08 (0xffff8801c6240d08)
ffff8801db207b78: ffffffff8707dcc8 (tk_core+0x8/0x140)
ffff8801db207b80: ffff8801db207c60 (0xffff8801db207c60)
ffff8801db207b88: ffff8801db207bc8 (0xffff8801db207bc8)
ffff8801db207b90: ffffffff8153f4a9 (find_held_lock+0x39/0x1d0)
ffff8801db207b98: ffffffff00000002 (0xffffffff00000002)
ffff8801db207ba0: 1ffff1003b640f80 (0x1ffff1003b640f80)
ffff8801db207ba8: ffff8801db207c60 (0xffff8801db207c60)
ffff8801db207bb0: ffff8801db207d60 (0xffff8801db207d60)