make -C tools/testing/selftests TARGETS=net TEST_PROGS=test_bridge_backup__port.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# timeout set to 6000
# selftests: net: test_bridge_backup_port.sh
[ 544.925610][ T2246] ip (2246) used greatest stack depth: 23600 bytes left
[ 547.901553][ T2264] veth0: renamed from veth1
[ 549.479988][ T2280] br0: port 1(swp1) entered blocking state
[ 549.480420][ T2280] br0: port 1(swp1) entered disabled state
[ 549.480766][ T2280] swp1: entered allmulticast mode
[ 549.482119][ T2280] swp1: entered promiscuous mode
[ 549.484464][ T2280] br0: port 1(swp1) entered blocking state
[ 549.484816][ T2280] br0: port 1(swp1) entered forwarding state
[ 550.012961][ T2282] br0: port 2(vx0) entered blocking state
[ 550.013307][ T2282] br0: port 2(vx0) entered disabled state
[ 550.013661][ T2282] vx0: entered allmulticast mode
[ 550.015101][ T2282] vx0: entered promiscuous mode
[ 550.015695][ T2282] br0: port 2(vx0) entered blocking state
[ 550.015999][ T2282] br0: port 2(vx0) entered forwarding state
[ 552.029178][ T2296] br0: port 1(swp1) entered blocking state
[ 552.029795][ T2296] br0: port 1(swp1) entered disabled state
[ 552.030138][ T2296] swp1: entered allmulticast mode
[ 552.031472][ T2296] swp1: entered promiscuous mode
[ 552.032813][ T2296] br0: port 1(swp1) entered blocking state
[ 552.033134][ T2296] br0: port 1(swp1) entered forwarding state
[ 552.350694][ T2298] br0: port 2(vx0) entered blocking state
[ 552.351035][ T2298] br0: port 2(vx0) entered disabled state
[ 552.351409][ T2298] vx0: entered allmulticast mode
[ 552.352718][ T2298] vx0: entered promiscuous mode
[ 552.353610][ T2298] br0: port 2(vx0) entered blocking state
[ 552.353919][ T2298] br0: port 2(vx0) entered forwarding state
#
# Backup port
# -----------
[ 558.703120][ T2310] GACT probability NOT on
# TEST: Forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
[ 560.616380][ T657] br0: port 1(swp1) entered disabled state
# TEST: swp1 carrier off [ OK ]
# TEST: No forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
[ 562.153691][ T200] br0: port 1(swp1) entered blocking state
[ 562.154048][ T200] br0: port 1(swp1) entered forwarding state
# TEST: swp1 carrier on [ OK ]
# TEST: vx0 configured as backup port of swp1 [ OK ]
# TEST: Forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
[ 563.995743][ T671] br0: port 1(swp1) entered disabled state
# TEST: swp1 carrier off [ OK ]
# TEST: No forwarding out of swp1 [ OK ]
# TEST: Forwarding out of vx0 [ OK ]
[ 565.513976][ T200] br0: port 1(swp1) entered blocking state
[ 565.514341][ T200] br0: port 1(swp1) entered forwarding state
# TEST: swp1 carrier on [ OK ]
# TEST: Forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
# TEST: vx0 not configured as backup port of swp1 [ OK ]
# TEST: Forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
[ 568.443317][ T466] br0: port 1(swp1) entered disabled state
# TEST: swp1 carrier off [ OK ]
# TEST: No forwarding out of swp1 [ OK ]
# TEST: No forwarding out of vx0 [ OK ]
[ 569.945649][ T71] vx0: left allmulticast mode
[ 569.945990][ T71] vx0: left promiscuous mode
[ 569.946422][ T71] br0: port 2(vx0) entered disabled state
[ 569.960437][ T71] swp1: left allmulticast mode
[ 569.960716][ T71] swp1: left promiscuous mode
[ 569.961090][ T71] br0: port 1(swp1) entered disabled state
[ 570.002926][ T71] ==================================================================
[ 570.003360][ T71] BUG: KASAN: slab-use-after-free in __mutex_lock+0x922/0xb10
[ 570.003753][ T71] Read of size 8 at addr ffff888008e4fa68 by task kworker/u8:1/71
[ 570.004152][ T71]
[ 570.004279][ T71] CPU: 2 PID: 71 Comm: kworker/u8:1 Not tainted 6.8.0-rc2-virtme #1
[ 570.004694][ T71] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 570.005311][ T71] Workqueue: netns cleanup_net
[ 570.005562][ T71] Call Trace:
[ 570.005743][ T71]
[ 570.005897][ T71] dump_stack_lvl+0x64/0xb0
[ 570.006134][ T71] print_address_description.constprop.0+0x2c/0x3b0
[ 570.006472][ T71] ? __mutex_lock+0x922/0xb10
[ 570.006724][ T71] print_report+0xb5/0x270
[ 570.006954][ T71] ? kasan_addr_to_slab+0x4e/0x90
[ 570.007214][ T71] kasan_report+0xbe/0xf0
[ 570.007438][ T71] ? __mutex_lock+0x922/0xb10
[ 570.007689][ T71] __mutex_lock+0x922/0xb10
[ 570.007922][ T71] ? __lock_release+0x40f/0x880
[ 570.008174][ T71] ? __pfx___lock_release+0x10/0x10
[ 570.008442][ T71] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 570.008750][ T71] ? __pfx___mutex_lock+0x10/0x10
[ 570.009066][ T71] ? __pfx___up_read+0x10/0x10
[ 570.009366][ T71] ? refcount_dec_not_one+0x6b/0x180
[ 570.009647][ T71] ? tc_setup_cb_destroy+0x22b/0x300
[ 570.009944][ T71] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 570.010265][ T71] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 570.010577][ T71] refcount_dec_and_mutex_lock+0x35/0x90
[ 570.010903][ T71] __tcf_action_put+0x3d/0xf0
[ 570.011170][ T71] tcf_action_destroy+0x43/0x130
[ 570.011440][ T71] tcf_exts_destroy+0x3c/0xb0
[ 570.011714][ T71] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 570.012086][ T71] __fl_put+0x21a/0x290 [cls_flower]
[ 570.012399][ T71] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 570.012710][ T71] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 570.013016][ T71] __fl_delete+0x4e4/0x750 [cls_flower]
[ 570.013306][ T71] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 570.013628][ T71] ? __lock_release+0x40f/0x880
[ 570.013880][ T71] ? __mutex_lock+0x26e/0xb10
[ 570.014123][ T71] fl_destroy+0x1ae/0x300 [cls_flower]
[ 570.014411][ T71] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 570.014728][ T71] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 570.015038][ T71] tcf_proto_destroy+0x6e/0x2e0
[ 570.015291][ T71] tcf_chain_flush+0x1e0/0x320
[ 570.015545][ T71] __tcf_block_put+0x113/0x270
[ 570.015799][ T71] clsact_destroy+0x226/0x800 [sch_ingress]
[ 570.016105][ T71] __qdisc_destroy+0xee/0x340
[ 570.016351][ T71] dev_shutdown+0x129/0x350
[ 570.016586][ T71] unregister_netdevice_many_notify+0x4fe/0x1180
[ 570.016918][ T71] ? rtnl_is_locked+0x15/0x20
[ 570.017160][ T71] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 570.017518][ T71] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 570.017912][ T71] ? mutex_is_locked+0x17/0x50
[ 570.018166][ T71] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 570.018525][ T71] cleanup_net+0x4cf/0xb60
[ 570.018790][ T71] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 570.019090][ T71] ? __pfx_cleanup_net+0x10/0x10
[ 570.019375][ T71] ? lock_acquire+0x1c1/0x220
[ 570.019622][ T71] ? process_one_work+0x714/0x1310
[ 570.019928][ T71] process_one_work+0x78c/0x1310
[ 570.020206][ T71] ? hlock_class+0x4e/0x130
[ 570.020465][ T71] ? __pfx_process_one_work+0x10/0x10
[ 570.020751][ T71] ? assign_work+0x16c/0x240
[ 570.021013][ T71] worker_thread+0x73d/0x1010
[ 570.021295][ T71] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 570.021685][ T71] ? __pfx_worker_thread+0x10/0x10
[ 570.021948][ T71] ? __pfx_worker_thread+0x10/0x10
[ 570.022235][ T71] kthread+0x28f/0x360
[ 570.022473][ T71] ? __pfx_kthread+0x10/0x10
[ 570.022754][ T71] ret_from_fork+0x31/0x70
[ 570.022992][ T71] ? __pfx_kthread+0x10/0x10
[ 570.023256][ T71] ret_from_fork_asm+0x1b/0x30
[ 570.023528][ T71]
[ 570.023693][ T71]
[ 570.023847][ T71] Allocated by task 2310:
[ 570.024072][ T71] kasan_save_stack+0x24/0x50
[ 570.024346][ T71] kasan_save_track+0x14/0x30
[ 570.024616][ T71] __kasan_kmalloc+0x7f/0x90
[ 570.024866][ T71] tc_action_net_init+0x4d/0x250
[ 570.025120][ T71] ops_init+0x9b/0x560
[ 570.025349][ T71] register_pernet_operations+0x2db/0x710
[ 570.025666][ T71] register_pernet_subsys+0x29/0x50
[ 570.025959][ T71] tcf_register_action+0xa3/0x600
[ 570.026245][ T71] do_one_initcall+0xc8/0x3f0
[ 570.026487][ T71] do_init_module+0x233/0x740
[ 570.026762][ T71] load_module+0x16b5/0x2350
[ 570.027033][ T71] init_module_from_file+0xd2/0x130
[ 570.027312][ T71] idempotent_init_module+0x33a/0x610
[ 570.027616][ T71] __x64_sys_finit_module+0xbe/0x130
[ 570.027913][ T71] do_syscall_64+0xc9/0x1e0
[ 570.028167][ T71] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 570.028503][ T71]
[ 570.028632][ T71] Freed by task 71:
[ 570.028887][ T71] kasan_save_stack+0x24/0x50
[ 570.029126][ T71] kasan_save_track+0x14/0x30
[ 570.029398][ T71] kasan_save_free_info+0x3f/0x60
[ 570.029664][ T71] __kasan_slab_free+0xfc/0x1c0
[ 570.029924][ T71] kfree+0xf2/0x2d0
[ 570.030147][ T71] tc_action_net_exit_batch_rtnl+0x292/0x4e0
[ 570.030492][ T71] cleanup_net+0x496/0xb60
[ 570.030752][ T71] process_one_work+0x78c/0x1310
[ 570.031012][ T71] worker_thread+0x73d/0x1010
[ 570.031268][ T71] kthread+0x28f/0x360
[ 570.031500][ T71] ret_from_fork+0x31/0x70
[ 570.031735][ T71] ret_from_fork_asm+0x1b/0x30
[ 570.032020][ T71]
[ 570.032161][ T71] The buggy address belongs to the object at ffff888008e4fa00
[ 570.032161][ T71] which belongs to the cache kmalloc-512 of size 512
[ 570.032915][ T71] The buggy address is located 104 bytes inside of
[ 570.032915][ T71] freed 512-byte region [ffff888008e4fa00, ffff888008e4fc00)
[ 570.033692][ T71]
[ 570.033815][ T71] The buggy address belongs to the physical page:
[ 570.034151][ T71] page:ffffea0000239200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888008e49400 pfn:0x8e48
[ 570.034737][ T71] head:ffffea0000239200 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 570.035190][ T71] flags: 0x80000000000a40(workingset|slab|head|node=0|zone=1)
[ 570.035572][ T71] page_type: 0xffffffff()
[ 570.035802][ T71] raw: 0080000000000a40 ffff8880010431c0 ffff8880010414d0 ffffea000024e610
[ 570.036238][ T71] raw: ffff888008e49400 000000000015000f 00000001ffffffff 0000000000000000
[ 570.036680][ T71] page dumped because: kasan: bad access detected
[ 570.037004][ T71]
[ 570.037126][ T71] Memory state around the buggy address:
[ 570.037411][ T71] ffff888008e4f900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 570.037825][ T71] ffff888008e4f980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 570.038232][ T71] >ffff888008e4fa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 570.038650][ T71] ^
[ 570.039028][ T71] ffff888008e4fa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 570.039493][ T71] ffff888008e4fb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 570.039956][ T71] ==================================================================
[ 570.040419][ T71] Disabling lock debugging due to kernel taint
[ 596.045325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 596.045707][ C0] rcu: 0-....: (26000 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=5578
[ 596.046256][ C0] rcu: (t=26001 jiffies g=477977 q=5585 ncpus=4)
[ 596.046588][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B 6.8.0-rc2-virtme #1
[ 596.047068][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 596.047693][ C0] Workqueue: netns cleanup_net
[ 596.047947][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 596.048214][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 596.049200][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 596.049516][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 596.049923][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 596.050330][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 596.050736][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 596.051140][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 596.051547][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 596.052001][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 596.052337][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 596.052748][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 596.053153][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 596.053559][ C0] PKRU: 55555554
[ 596.053742][ C0] Call Trace:
[ 596.053913][ C0]
[ 596.054066][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 596.054350][ C0] ? print_cpu_stall+0x263/0x6a0
[ 596.054607][ C0] ? check_cpu_stall+0x284/0x500
[ 596.054861][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 596.055151][ C0] ? rcu_pending+0x92/0x360
[ 596.055386][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 596.055659][ C0] ? update_process_times+0xb9/0x110
[ 596.055933][ C0] ? tick_sched_handle+0x67/0x130
[ 596.056193][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 596.056485][ C0] ? __run_hrtimer+0x1c0/0x710
[ 596.056729][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 596.057048][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 596.057324][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 596.057617][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 596.057886][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 596.058196][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 596.058463][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 596.058777][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 596.059076][ C0]
[ 596.059230][ C0]
[ 596.059383][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 596.059702][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 596.060004][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 596.060302][ C0] ? kasan_report+0xd2/0xf0
[ 596.060541][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 596.060829][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 596.061147][ C0] ? __pfx___schedule+0x10/0x10
[ 596.061402][ C0] do_raw_spin_lock+0x1ec/0x270
[ 596.061655][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 596.061930][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 596.062219][ C0] ? lock_acquire+0x1c1/0x220
[ 596.062459][ C0] ? __mutex_lock+0x33e/0xb10
[ 596.062708][ C0] ? __mutex_lock+0x811/0xb10
[ 596.062951][ C0] _raw_spin_lock+0x67/0x80
[ 596.063184][ C0] __mutex_lock+0x33e/0xb10
[ 596.063419][ C0] ? __lock_release+0x40f/0x880
[ 596.063670][ C0] ? __pfx___lock_release+0x10/0x10
[ 596.063936][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 596.064238][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 596.064498][ C0] ? __pfx___up_read+0x10/0x10
[ 596.064745][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 596.065017][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 596.065291][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 596.065586][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 596.065885][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 596.066175][ C0] __tcf_action_put+0x3d/0xf0
[ 596.066419][ C0] tcf_action_destroy+0x43/0x130
[ 596.066674][ C0] tcf_exts_destroy+0x3c/0xb0
[ 596.066917][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 596.067242][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 596.067520][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 596.067824][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 596.068121][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 596.068413][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 596.068726][ C0] ? __lock_release+0x40f/0x880
[ 596.068978][ C0] ? __mutex_lock+0x26e/0xb10
[ 596.069222][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 596.069509][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 596.069822][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 596.070131][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 596.070383][ C0] tcf_chain_flush+0x1e0/0x320
[ 596.070629][ C0] __tcf_block_put+0x113/0x270
[ 596.070876][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 596.071186][ C0] __qdisc_destroy+0xee/0x340
[ 596.071432][ C0] dev_shutdown+0x129/0x350
[ 596.071664][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 596.071989][ C0] ? rtnl_is_locked+0x15/0x20
[ 596.072234][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 596.072554][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 596.072900][ C0] ? mutex_is_locked+0x17/0x50
[ 596.073147][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 596.073456][ C0] cleanup_net+0x4cf/0xb60
[ 596.073683][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 596.073973][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 596.074228][ C0] ? lock_acquire+0x1c1/0x220
[ 596.074470][ C0] ? process_one_work+0x714/0x1310
[ 596.074737][ C0] process_one_work+0x78c/0x1310
[ 596.074992][ C0] ? hlock_class+0x4e/0x130
[ 596.075227][ C0] ? __pfx_process_one_work+0x10/0x10
[ 596.075504][ C0] ? assign_work+0x16c/0x240
[ 596.075744][ C0] worker_thread+0x73d/0x1010
[ 596.075991][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 596.076328][ C0] ? __pfx_worker_thread+0x10/0x10
[ 596.076592][ C0] ? __pfx_worker_thread+0x10/0x10
[ 596.076853][ C0] kthread+0x28f/0x360
[ 596.077063][ C0] ? __pfx_kthread+0x10/0x10
[ 596.077301][ C0] ret_from_fork+0x31/0x70
[ 596.077533][ C0] ? __pfx_kthread+0x10/0x10
[ 596.077767][ C0] ret_from_fork_asm+0x1b/0x30
[ 596.078021][ C0]
[ 603.467591][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 33192 jiffies s: 1289 root: 0x1/.
[ 603.468239][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 603.468635][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 603.468926][ C0] NMI backtrace for cpu 0
[ 603.468933][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B 6.8.0-rc2-virtme #1
[ 603.468937][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 603.468940][ C0] Workqueue: netns cleanup_net
[ 603.468949][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 603.468958][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 603.468960][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 603.468963][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 603.468965][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 603.468967][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 603.468968][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 603.468969][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 603.468971][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 603.468973][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 603.468977][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 603.468978][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 603.468979][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 603.468981][ C0] PKRU: 55555554
[ 603.468982][ C0] Call Trace:
[ 603.468983][ C0]
[ 603.468986][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 603.468992][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 603.468997][ C0] ? nmi_handle+0x153/0x420
[ 603.469002][ C0] ? default_do_nmi+0x41/0x100
[ 603.469007][ C0] ? exc_nmi+0xf3/0x120
[ 603.469010][ C0] ? end_repeat_nmi+0xf/0x60
[ 603.469015][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 603.469018][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 603.469021][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 603.469025][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 603.469028][ C0]
[ 603.469029][ C0]
[ 603.469030][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 603.469034][ C0] ? __pfx___schedule+0x10/0x10
[ 603.469040][ C0] do_raw_spin_lock+0x1ec/0x270
[ 603.469047][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 603.469050][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 603.469053][ C0] ? lock_acquire+0x1c1/0x220
[ 603.469055][ C0] ? __mutex_lock+0x33e/0xb10
[ 603.469059][ C0] ? __mutex_lock+0x811/0xb10
[ 603.469062][ C0] _raw_spin_lock+0x67/0x80
[ 603.469064][ C0] __mutex_lock+0x33e/0xb10
[ 603.469067][ C0] ? __lock_release+0x40f/0x880
[ 603.469070][ C0] ? __pfx___lock_release+0x10/0x10
[ 603.469072][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 603.469079][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 603.469082][ C0] ? __pfx___up_read+0x10/0x10
[ 603.469086][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 603.469089][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 603.469094][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 603.469099][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 603.469102][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 603.469106][ C0] __tcf_action_put+0x3d/0xf0
[ 603.469109][ C0] tcf_action_destroy+0x43/0x130
[ 603.469113][ C0] tcf_exts_destroy+0x3c/0xb0
[ 603.469115][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 603.469126][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 603.469134][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 603.469142][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 603.469151][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 603.469159][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 603.469167][ C0] ? __lock_release+0x40f/0x880
[ 603.469170][ C0] ? __mutex_lock+0x26e/0xb10
[ 603.469174][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 603.469183][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 603.469191][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 603.469196][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 603.469200][ C0] tcf_chain_flush+0x1e0/0x320
[ 603.469204][ C0] __tcf_block_put+0x113/0x270
[ 603.469208][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 603.469215][ C0] __qdisc_destroy+0xee/0x340
[ 603.469219][ C0] dev_shutdown+0x129/0x350
[ 603.469222][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 603.469227][ C0] ? rtnl_is_locked+0x15/0x20
[ 603.469231][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 603.469234][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 603.469237][ C0] ? mutex_is_locked+0x17/0x50
[ 603.469240][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 603.469245][ C0] cleanup_net+0x4cf/0xb60
[ 603.469248][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 603.469250][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 603.469253][ C0] ? lock_acquire+0x1c1/0x220
[ 603.469255][ C0] ? process_one_work+0x714/0x1310
[ 603.469260][ C0] process_one_work+0x78c/0x1310
[ 603.469264][ C0] ? hlock_class+0x4e/0x130
[ 603.469267][ C0] ? __pfx_process_one_work+0x10/0x10
[ 603.469271][ C0] ? assign_work+0x16c/0x240
[ 603.469274][ C0] worker_thread+0x73d/0x1010
[ 603.469276][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 603.469280][ C0] ? __pfx_worker_thread+0x10/0x10
[ 603.469283][ C0] ? __pfx_worker_thread+0x10/0x10
[ 603.469285][ C0] kthread+0x28f/0x360
[ 603.469287][ C0] ? __pfx_kthread+0x10/0x10
[ 603.469290][ C0] ret_from_fork+0x31/0x70
[ 603.469292][ C0] ? __pfx_kthread+0x10/0x10
[ 603.469294][ C0] ret_from_fork_asm+0x1b/0x30
[ 603.469301][ C0]
[ 628.555822][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 56s! [kworker/u8:1:71]
[ 628.556287][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 628.556998][ C0] irq event stamp: 164379
[ 628.557222][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 628.557701][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 628.558175][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 628.558652][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 628.559120][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B 6.8.0-rc2-virtme #1
[ 628.559598][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 628.560220][ C0] Workqueue: netns cleanup_net
[ 628.560469][ C0] RIP: 0010:__kasan_check_read+0x0/0x20
[ 628.560756][ C0] Code: 48 c7 c7 b0 c2 3e 91 5b 5d 41 5c e9 9a b3 9b ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 af ef ff ff 66 66 2e 0f 1f
[ 628.561740][ C0] RSP: 0018:ffffc9000051f3d8 EFLAGS: 00000206
[ 628.562057][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 628.562461][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 628.562867][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 628.563271][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 628.563675][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 628.564076][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 628.564528][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 628.564863][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 628.565271][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 628.565674][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 628.566077][ C0] PKRU: 55555554
[ 628.566260][ C0] Call Trace:
[ 628.566434][ C0]
[ 628.566583][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 628.566852][ C0] ? __run_hrtimer+0x1c0/0x710
[ 628.567100][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 628.567381][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 628.567660][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 628.567950][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 628.568220][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 628.568532][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 628.568797][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 628.569111][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 628.569412][ C0]
[ 628.569565][ C0]
[ 628.569716][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 628.570038][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 628.570339][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 628.570623][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 628.570908][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 628.571224][ C0] ? __pfx___schedule+0x10/0x10
[ 628.571480][ C0] do_raw_spin_lock+0x1ec/0x270
[ 628.571735][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 628.572010][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 628.572301][ C0] ? lock_acquire+0x1c1/0x220
[ 628.572548][ C0] ? __mutex_lock+0x33e/0xb10
[ 628.572792][ C0] ? __mutex_lock+0x811/0xb10
[ 628.573035][ C0] _raw_spin_lock+0x67/0x80
[ 628.573270][ C0] __mutex_lock+0x33e/0xb10
[ 628.573505][ C0] ? __lock_release+0x40f/0x880
[ 628.573756][ C0] ? __pfx___lock_release+0x10/0x10
[ 628.574022][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 628.574327][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 628.574588][ C0] ? __pfx___up_read+0x10/0x10
[ 628.574840][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 628.575111][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 628.575386][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 628.575683][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 628.575981][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 628.576271][ C0] __tcf_action_put+0x3d/0xf0
[ 628.576516][ C0] tcf_action_destroy+0x43/0x130
[ 628.576772][ C0] tcf_exts_destroy+0x3c/0xb0
[ 628.577017][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 628.577345][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 628.577622][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 628.577927][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 628.578224][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 628.578539][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 628.578854][ C0] ? __lock_release+0x40f/0x880
[ 628.579104][ C0] ? __mutex_lock+0x26e/0xb10
[ 628.579352][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 628.579638][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 628.579956][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 628.580267][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 628.580521][ C0] tcf_chain_flush+0x1e0/0x320
[ 628.580769][ C0] __tcf_block_put+0x113/0x270
[ 628.581017][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 628.581328][ C0] __qdisc_destroy+0xee/0x340
[ 628.581574][ C0] dev_shutdown+0x129/0x350
[ 628.581809][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 628.582136][ C0] ? rtnl_is_locked+0x15/0x20
[ 628.582381][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 628.582705][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 628.583052][ C0] ? mutex_is_locked+0x17/0x50
[ 628.583297][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 628.583609][ C0] cleanup_net+0x4cf/0xb60
[ 628.583840][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 628.584128][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 628.584384][ C0] ? lock_acquire+0x1c1/0x220
[ 628.584626][ C0] ? process_one_work+0x714/0x1310
[ 628.584892][ C0] process_one_work+0x78c/0x1310
[ 628.585150][ C0] ? hlock_class+0x4e/0x130
[ 628.585388][ C0] ? __pfx_process_one_work+0x10/0x10
[ 628.585667][ C0] ? assign_work+0x16c/0x240
[ 628.585905][ C0] worker_thread+0x73d/0x1010
[ 628.586148][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 628.586487][ C0] ? __pfx_worker_thread+0x10/0x10
[ 628.586750][ C0] ? __pfx_worker_thread+0x10/0x10
[ 628.587013][ C0] kthread+0x28f/0x360
[ 628.587227][ C0] ? __pfx_kthread+0x10/0x10
[ 628.587465][ C0] ret_from_fork+0x31/0x70
[ 628.587697][ C0] ? __pfx_kthread+0x10/0x10
[ 628.587934][ C0] ret_from_fork_asm+0x1b/0x30
[ 628.588186][ C0]
[ 656.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 82s! [kworker/u8:1:71]
[ 656.556262][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 656.556973][ C0] irq event stamp: 164379
[ 656.557196][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 656.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 656.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 656.558628][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 656.559099][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 656.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 656.560205][ C0] Workqueue: netns cleanup_net
[ 656.560455][ C0] RIP: 0010:kasan_report+0x16/0xf0
[ 656.560723][ C0] Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 <0f> 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f
[ 656.561711][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 656.562021][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 656.562434][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 656.562838][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 656.563246][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 656.563651][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 656.564058][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 656.564514][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 656.564852][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 656.565257][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 656.565667][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 656.566073][ C0] PKRU: 55555554
[ 656.566257][ C0] Call Trace:
[ 656.566432][ C0]
[ 656.566584][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 656.566852][ C0] ? __run_hrtimer+0x1c0/0x710
[ 656.567100][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 656.567385][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 656.567661][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 656.567953][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 656.568224][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 656.568534][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 656.568801][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 656.569114][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 656.569416][ C0]
[ 656.569566][ C0]
[ 656.569720][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 656.570041][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 656.570342][ C0] ? kasan_report+0x16/0xf0
[ 656.570580][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 656.570869][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 656.571185][ C0] ? __pfx___schedule+0x10/0x10
[ 656.571441][ C0] do_raw_spin_lock+0x1ec/0x270
[ 656.571695][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 656.571970][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 656.572257][ C0] ? lock_acquire+0x1c1/0x220
[ 656.572504][ C0] ? __mutex_lock+0x33e/0xb10
[ 656.572748][ C0] ? __mutex_lock+0x811/0xb10
[ 656.572991][ C0] _raw_spin_lock+0x67/0x80
[ 656.573223][ C0] __mutex_lock+0x33e/0xb10
[ 656.573460][ C0] ? __lock_release+0x40f/0x880
[ 656.573711][ C0] ? __pfx___lock_release+0x10/0x10
[ 656.573978][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 656.574279][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 656.574540][ C0] ? __pfx___up_read+0x10/0x10
[ 656.574790][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 656.575063][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 656.575338][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 656.575634][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 656.575933][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 656.576222][ C0] __tcf_action_put+0x3d/0xf0
[ 656.576470][ C0] tcf_action_destroy+0x43/0x130
[ 656.576725][ C0] tcf_exts_destroy+0x3c/0xb0
[ 656.576968][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 656.577293][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 656.577571][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 656.577874][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 656.578172][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 656.578463][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 656.578779][ C0] ? __lock_release+0x40f/0x880
[ 656.579029][ C0] ? __mutex_lock+0x26e/0xb10
[ 656.579273][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 656.579560][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 656.579873][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 656.580182][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 656.580434][ C0] tcf_chain_flush+0x1e0/0x320
[ 656.580679][ C0] __tcf_block_put+0x113/0x270
[ 656.580927][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 656.581240][ C0] __qdisc_destroy+0xee/0x340
[ 656.581485][ C0] dev_shutdown+0x129/0x350
[ 656.581719][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 656.582044][ C0] ? rtnl_is_locked+0x15/0x20
[ 656.582288][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 656.582614][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 656.582958][ C0] ? mutex_is_locked+0x17/0x50
[ 656.583205][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 656.583512][ C0] cleanup_net+0x4cf/0xb60
[ 656.583740][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 656.584029][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 656.584283][ C0] ? lock_acquire+0x1c1/0x220
[ 656.584524][ C0] ? process_one_work+0x714/0x1310
[ 656.584791][ C0] process_one_work+0x78c/0x1310
[ 656.585047][ C0] ? hlock_class+0x4e/0x130
[ 656.585288][ C0] ? __pfx_process_one_work+0x10/0x10
[ 656.585566][ C0] ? assign_work+0x16c/0x240
[ 656.585806][ C0] worker_thread+0x73d/0x1010
[ 656.586054][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 656.586391][ C0] ? __pfx_worker_thread+0x10/0x10
[ 656.586654][ C0] ? __pfx_worker_thread+0x10/0x10
[ 656.586916][ C0] kthread+0x28f/0x360
[ 656.587127][ C0] ? __pfx_kthread+0x10/0x10
[ 656.587368][ C0] ret_from_fork+0x31/0x70
[ 656.587597][ C0] ? __pfx_kthread+0x10/0x10
[ 656.587833][ C0] ret_from_fork_asm+0x1b/0x30
[ 656.588085][ C0]
[ 674.081325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 674.081704][ C0] rcu: 0-....: (103916 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=22792
[ 674.082259][ C0] rcu: (t=104037 jiffies g=477977 q=5715 ncpus=4)
[ 674.082603][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 674.083082][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 674.083707][ C0] Workqueue: netns cleanup_net
[ 674.083958][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 674.084228][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 674.085216][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 674.085529][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 674.085936][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 674.086341][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 674.086744][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 674.087146][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 674.087556][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 674.088009][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 674.088347][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 674.088753][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 674.089155][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 674.089563][ C0] PKRU: 55555554
[ 674.089751][ C0] Call Trace:
[ 674.089923][ C0]
[ 674.090073][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 674.090353][ C0] ? print_cpu_stall+0x263/0x6a0
[ 674.090609][ C0] ? check_cpu_stall+0x284/0x500
[ 674.090863][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 674.091157][ C0] ? rcu_pending+0x92/0x360
[ 674.091393][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 674.091665][ C0] ? update_process_times+0xb9/0x110
[ 674.091939][ C0] ? tick_sched_handle+0x67/0x130
[ 674.092200][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 674.092493][ C0] ? __run_hrtimer+0x1c0/0x710
[ 674.092738][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 674.093054][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 674.093331][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 674.093623][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 674.093892][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 674.094202][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 674.094468][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 674.094783][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 674.095084][ C0]
[ 674.095238][ C0]
[ 674.095391][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 674.095710][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 674.096006][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 674.096299][ C0] ? kasan_report+0xd2/0xf0
[ 674.096538][ C0] kasan_check_range+0x39/0x1c0
[ 674.096791][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 674.097078][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 674.097397][ C0] ? __pfx___schedule+0x10/0x10
[ 674.097650][ C0] do_raw_spin_lock+0x1ec/0x270
[ 674.097902][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 674.098179][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 674.098467][ C0] ? lock_acquire+0x1c1/0x220
[ 674.098713][ C0] ? __mutex_lock+0x33e/0xb10
[ 674.098956][ C0] ? __mutex_lock+0x811/0xb10
[ 674.099196][ C0] _raw_spin_lock+0x67/0x80
[ 674.099432][ C0] __mutex_lock+0x33e/0xb10
[ 674.099667][ C0] ? __lock_release+0x40f/0x880
[ 674.099917][ C0] ? __pfx___lock_release+0x10/0x10
[ 674.100184][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 674.100485][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 674.100744][ C0] ? __pfx___up_read+0x10/0x10
[ 674.100991][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 674.101262][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 674.101538][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 674.101834][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 674.102134][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 674.102428][ C0] __tcf_action_put+0x3d/0xf0
[ 674.102674][ C0] tcf_action_destroy+0x43/0x130
[ 674.102929][ C0] tcf_exts_destroy+0x3c/0xb0
[ 674.103170][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 674.103494][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 674.103772][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 674.104075][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 674.104376][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 674.104665][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 674.104981][ C0] ? __lock_release+0x40f/0x880
[ 674.105233][ C0] ? __mutex_lock+0x26e/0xb10
[ 674.105476][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 674.105763][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 674.106079][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 674.106388][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 674.106640][ C0] tcf_chain_flush+0x1e0/0x320
[ 674.106888][ C0] __tcf_block_put+0x113/0x270
[ 674.107137][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 674.107445][ C0] __qdisc_destroy+0xee/0x340
[ 674.107688][ C0] dev_shutdown+0x129/0x350
[ 674.107923][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 674.108250][ C0] ? rtnl_is_locked+0x15/0x20
[ 674.108495][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 674.108814][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 674.109159][ C0] ? mutex_is_locked+0x17/0x50
[ 674.109407][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 674.109711][ C0] cleanup_net+0x4cf/0xb60
[ 674.109942][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 674.110229][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 674.110486][ C0] ? lock_acquire+0x1c1/0x220
[ 674.110728][ C0] ? process_one_work+0x714/0x1310
[ 674.110993][ C0] process_one_work+0x78c/0x1310
[ 674.111258][ C0] ? hlock_class+0x4e/0x130
[ 674.111486][ C0] ? __pfx_process_one_work+0x10/0x10
[ 674.111755][ C0] ? assign_work+0x16c/0x240
[ 674.111986][ C0] worker_thread+0x73d/0x1010
[ 674.112220][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 674.112579][ C0] ? __pfx_worker_thread+0x10/0x10
[ 674.112842][ C0] ? __pfx_worker_thread+0x10/0x10
[ 674.113104][ C0] kthread+0x28f/0x360
[ 674.113314][ C0] ? __pfx_kthread+0x10/0x10
[ 674.113552][ C0] ret_from_fork+0x31/0x70
[ 674.113780][ C0] ? __pfx_kthread+0x10/0x10
[ 674.114017][ C0] ret_from_fork_asm+0x1b/0x30
[ 674.114279][ C0]
[ 700.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/u8:1:71]
[ 700.556274][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 700.556982][ C0] irq event stamp: 164379
[ 700.557201][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 700.557693][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 700.558166][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 700.558642][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 700.559114][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 700.559593][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 700.560215][ C0] Workqueue: netns cleanup_net
[ 700.560465][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 700.560795][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 700.561784][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 700.562093][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 700.562504][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 700.562919][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 700.563324][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 700.563728][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 700.564132][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 700.564585][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 700.564920][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 700.565323][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 700.565727][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 700.566130][ C0] PKRU: 55555554
[ 700.566313][ C0] Call Trace:
[ 700.566485][ C0]
[ 700.566643][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 700.566912][ C0] ? __run_hrtimer+0x1c0/0x710
[ 700.567160][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 700.567441][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 700.567714][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 700.568007][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 700.568276][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 700.568585][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 700.568849][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 700.569164][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 700.569461][ C0]
[ 700.569614][ C0]
[ 700.569765][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 700.570085][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 700.570385][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 700.570692][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 700.571007][ C0] ? __pfx___schedule+0x10/0x10
[ 700.571259][ C0] do_raw_spin_lock+0x1ec/0x270
[ 700.571516][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 700.571790][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 700.572077][ C0] ? lock_acquire+0x1c1/0x220
[ 700.572326][ C0] ? __mutex_lock+0x33e/0xb10
[ 700.572570][ C0] ? __mutex_lock+0x811/0xb10
[ 700.572811][ C0] _raw_spin_lock+0x67/0x80
[ 700.573043][ C0] __mutex_lock+0x33e/0xb10
[ 700.573277][ C0] ? __lock_release+0x40f/0x880
[ 700.573529][ C0] ? __pfx___lock_release+0x10/0x10
[ 700.573793][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 700.574095][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 700.574353][ C0] ? __pfx___up_read+0x10/0x10
[ 700.574597][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 700.574869][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 700.575143][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 700.575438][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 700.575737][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 700.576023][ C0] __tcf_action_put+0x3d/0xf0
[ 700.576267][ C0] tcf_action_destroy+0x43/0x130
[ 700.576523][ C0] tcf_exts_destroy+0x3c/0xb0
[ 700.576766][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 700.577089][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 700.577367][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 700.577668][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 700.577965][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 700.578254][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 700.578570][ C0] ? __lock_release+0x40f/0x880
[ 700.578820][ C0] ? __mutex_lock+0x26e/0xb10
[ 700.579063][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 700.579350][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 700.579661][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 700.579972][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 700.580222][ C0] tcf_chain_flush+0x1e0/0x320
[ 700.580470][ C0] __tcf_block_put+0x113/0x270
[ 700.580719][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 700.581026][ C0] __qdisc_destroy+0xee/0x340
[ 700.581268][ C0] dev_shutdown+0x129/0x350
[ 700.581505][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 700.581830][ C0] ? rtnl_is_locked+0x15/0x20
[ 700.582074][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 700.582401][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 700.582745][ C0] ? mutex_is_locked+0x17/0x50
[ 700.582990][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 700.583295][ C0] cleanup_net+0x4cf/0xb60
[ 700.583524][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 700.583813][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 700.584066][ C0] ? lock_acquire+0x1c1/0x220
[ 700.584305][ C0] ? process_one_work+0x714/0x1310
[ 700.584571][ C0] process_one_work+0x78c/0x1310
[ 700.584827][ C0] ? hlock_class+0x4e/0x130
[ 700.585062][ C0] ? __pfx_process_one_work+0x10/0x10
[ 700.585338][ C0] ? assign_work+0x16c/0x240
[ 700.585576][ C0] worker_thread+0x73d/0x1010
[ 700.585818][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 700.586154][ C0] ? __pfx_worker_thread+0x10/0x10
[ 700.586420][ C0] ? __pfx_worker_thread+0x10/0x10
[ 700.586681][ C0] kthread+0x28f/0x360
[ 700.586891][ C0] ? __pfx_kthread+0x10/0x10
[ 700.587127][ C0] ret_from_fork+0x31/0x70
[ 700.587358][ C0] ? __pfx_kthread+0x10/0x10
[ 700.587595][ C0] ret_from_fork_asm+0x1b/0x30
[ 700.587847][ C0]
[ 701.771347][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 131496 jiffies s: 1289 root: 0x1/.
[ 701.771988][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 701.772372][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 701.772655][ C0] NMI backtrace for cpu 0
[ 701.772661][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 701.772665][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 701.772668][ C0] Workqueue: netns cleanup_net
[ 701.772673][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 701.772679][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 701.772682][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 701.772684][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 701.772686][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 701.772687][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 701.772689][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 701.772690][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 701.772691][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 701.772693][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 701.772696][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 701.772697][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 701.772699][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 701.772700][ C0] PKRU: 55555554
[ 701.772701][ C0] Call Trace:
[ 701.772704][ C0]
[ 701.772706][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 701.772711][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 701.772716][ C0] ? nmi_handle+0x153/0x420
[ 701.772721][ C0] ? default_do_nmi+0x41/0x100
[ 701.772726][ C0] ? exc_nmi+0xf3/0x120
[ 701.772728][ C0] ? end_repeat_nmi+0xf/0x60
[ 701.772733][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 701.772738][ C0] ? kasan_report+0x22/0xf0
[ 701.772741][ C0] ? kasan_report+0x22/0xf0
[ 701.772744][ C0] ? kasan_report+0x22/0xf0
[ 701.772747][ C0]
[ 701.772748][ C0]
[ 701.772749][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 701.772752][ C0] ? kasan_report+0xda/0xf0
[ 701.772756][ C0] kasan_check_range+0x39/0x1c0
[ 701.772761][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 701.772765][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 701.772769][ C0] ? __pfx___schedule+0x10/0x10
[ 701.772774][ C0] do_raw_spin_lock+0x1ec/0x270
[ 701.772780][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 701.772782][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 701.772785][ C0] ? lock_acquire+0x1c1/0x220
[ 701.772787][ C0] ? __mutex_lock+0x33e/0xb10
[ 701.772792][ C0] ? __mutex_lock+0x811/0xb10
[ 701.772794][ C0] _raw_spin_lock+0x67/0x80
[ 701.772797][ C0] __mutex_lock+0x33e/0xb10
[ 701.772800][ C0] ? __lock_release+0x40f/0x880
[ 701.772802][ C0] ? __pfx___lock_release+0x10/0x10
[ 701.772805][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 701.772810][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 701.772813][ C0] ? __pfx___up_read+0x10/0x10
[ 701.772817][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 701.772820][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 701.772824][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 701.772829][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 701.772832][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 701.772837][ C0] __tcf_action_put+0x3d/0xf0
[ 701.772841][ C0] tcf_action_destroy+0x43/0x130
[ 701.772844][ C0] tcf_exts_destroy+0x3c/0xb0
[ 701.772847][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 701.772857][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 701.772865][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 701.772873][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 701.772882][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 701.772891][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 701.772898][ C0] ? __lock_release+0x40f/0x880
[ 701.772902][ C0] ? __mutex_lock+0x26e/0xb10
[ 701.772906][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 701.772915][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 701.772923][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 701.772928][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 701.772932][ C0] tcf_chain_flush+0x1e0/0x320
[ 701.772936][ C0] __tcf_block_put+0x113/0x270
[ 701.772941][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 701.772948][ C0] __qdisc_destroy+0xee/0x340
[ 701.772952][ C0] dev_shutdown+0x129/0x350
[ 701.772956][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 701.772960][ C0] ? rtnl_is_locked+0x15/0x20
[ 701.772964][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 701.772966][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 701.772969][ C0] ? mutex_is_locked+0x17/0x50
[ 701.772972][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 701.772977][ C0] cleanup_net+0x4cf/0xb60
[ 701.772979][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 701.772982][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 701.772985][ C0] ? lock_acquire+0x1c1/0x220
[ 701.772987][ C0] ? process_one_work+0x714/0x1310
[ 701.772992][ C0] process_one_work+0x78c/0x1310
[ 701.772996][ C0] ? hlock_class+0x4e/0x130
[ 701.773000][ C0] ? __pfx_process_one_work+0x10/0x10
[ 701.773004][ C0] ? assign_work+0x16c/0x240
[ 701.773008][ C0] worker_thread+0x73d/0x1010
[ 701.773010][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 701.773014][ C0] ? __pfx_worker_thread+0x10/0x10
[ 701.773017][ C0] ? __pfx_worker_thread+0x10/0x10
[ 701.773020][ C0] kthread+0x28f/0x360
[ 701.773022][ C0] ? __pfx_kthread+0x10/0x10
[ 701.773024][ C0] ret_from_fork+0x31/0x70
[ 701.773027][ C0] ? __pfx_kthread+0x10/0x10
[ 701.773028][ C0] ret_from_fork_asm+0x1b/0x30
[ 701.773037][ C0]
[ 728.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 149s! [kworker/u8:1:71]
[ 728.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 728.556973][ C0] irq event stamp: 164379
[ 728.557194][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 728.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 728.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 728.558626][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 728.559098][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 728.559578][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 728.560200][ C0] Workqueue: netns cleanup_net
[ 728.560450][ C0] RIP: 0010:kasan_check_range+0x40/0x1c0
[ 728.560744][ C0] Code: 48 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 57 e8 ff ff 83 f0 01 5b 5d 41 5c cc cc cc cc 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd 4c 8d
[ 728.561728][ C0] RSP: 0018:ffffc9000051f3d8 EFLAGS: 00000202
[ 728.562044][ C0] RAX: 0000000000000001 RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 728.562448][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 728.562850][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 728.563254][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 728.563660][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 728.564063][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 728.564517][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 728.564852][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 728.565258][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 728.565670][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 728.566074][ C0] PKRU: 55555554
[ 728.566258][ C0] Call Trace:
[ 728.566435][ C0]
[ 728.566585][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 728.566853][ C0] ? __run_hrtimer+0x1c0/0x710
[ 728.567102][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 728.567383][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 728.567657][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 728.567951][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 728.568221][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 728.568533][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 728.568799][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 728.569114][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 728.569414][ C0]
[ 728.569567][ C0]
[ 728.569719][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 728.570040][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 728.570332][ C0] ? kasan_check_range+0x40/0x1c0
[ 728.570593][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 728.570879][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 728.571195][ C0] ? __pfx___schedule+0x10/0x10
[ 728.571450][ C0] do_raw_spin_lock+0x1ec/0x270
[ 728.571702][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 728.571979][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 728.572272][ C0] ? lock_acquire+0x1c1/0x220
[ 728.572517][ C0] ? __mutex_lock+0x33e/0xb10
[ 728.572760][ C0] ? __mutex_lock+0x811/0xb10
[ 728.573000][ C0] _raw_spin_lock+0x67/0x80
[ 728.573235][ C0] __mutex_lock+0x33e/0xb10
[ 728.573472][ C0] ? __lock_release+0x40f/0x880
[ 728.573722][ C0] ? __pfx___lock_release+0x10/0x10
[ 728.573990][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 728.574291][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 728.574551][ C0] ? __pfx___up_read+0x10/0x10
[ 728.574799][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 728.575069][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 728.575343][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 728.575642][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 728.575941][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 728.576230][ C0] __tcf_action_put+0x3d/0xf0
[ 728.576478][ C0] tcf_action_destroy+0x43/0x130
[ 728.576733][ C0] tcf_exts_destroy+0x3c/0xb0
[ 728.576974][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 728.577299][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 728.577578][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 728.577883][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 728.578183][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 728.578474][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 728.578791][ C0] ? __lock_release+0x40f/0x880
[ 728.579042][ C0] ? __mutex_lock+0x26e/0xb10
[ 728.579284][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 728.579576][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 728.579888][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 728.580195][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 728.580449][ C0] tcf_chain_flush+0x1e0/0x320
[ 728.580698][ C0] __tcf_block_put+0x113/0x270
[ 728.580947][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 728.581253][ C0] __qdisc_destroy+0xee/0x340
[ 728.581498][ C0] dev_shutdown+0x129/0x350
[ 728.581734][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 728.582070][ C0] ? rtnl_is_locked+0x15/0x20
[ 728.582313][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 728.582632][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 728.582978][ C0] ? mutex_is_locked+0x17/0x50
[ 728.583224][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 728.583531][ C0] cleanup_net+0x4cf/0xb60
[ 728.583762][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 728.584048][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 728.584303][ C0] ? lock_acquire+0x1c1/0x220
[ 728.584546][ C0] ? process_one_work+0x714/0x1310
[ 728.584811][ C0] process_one_work+0x78c/0x1310
[ 728.585067][ C0] ? hlock_class+0x4e/0x130
[ 728.585302][ C0] ? __pfx_process_one_work+0x10/0x10
[ 728.585581][ C0] ? assign_work+0x16c/0x240
[ 728.585819][ C0] worker_thread+0x73d/0x1010
[ 728.586060][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 728.586398][ C0] ? __pfx_worker_thread+0x10/0x10
[ 728.586662][ C0] ? __pfx_worker_thread+0x10/0x10
[ 728.586925][ C0] kthread+0x28f/0x360
[ 728.587136][ C0] ? __pfx_kthread+0x10/0x10
[ 728.587375][ C0] ret_from_fork+0x31/0x70
[ 728.587605][ C0] ? __pfx_kthread+0x10/0x10
[ 728.587843][ C0] ret_from_fork_asm+0x1b/0x30
[ 728.588095][ C0]
[ 738.635366][ T41] INFO: task kworker/2:2:671 blocked for more than 122 seconds.
[ 738.635799][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 738.636157][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.636612][ T41] task:kworker/2:2 state:D stack:27896 pid:671 tgid:671 ppid:2 flags:0x00004000
[ 738.637144][ T41] Workqueue: events linkwatch_event
[ 738.637430][ T41] Call Trace:
[ 738.637605][ T41]
[ 738.637761][ T41] __schedule+0x705/0x1ac0
[ 738.637999][ T41] ? __pfx___schedule+0x10/0x10
[ 738.638251][ T41] ? __pfx___lock_release+0x10/0x10
[ 738.638538][ T41] ? hlock_class+0x4e/0x130
[ 738.638776][ T41] ? mark_held_locks+0xa5/0xf0
[ 738.639024][ T41] ? schedule+0x1fe/0x280
[ 738.639249][ T41] schedule+0xeb/0x280
[ 738.639469][ T41] schedule_preempt_disabled+0x15/0x30
[ 738.639751][ T41] __mutex_lock+0x5e4/0xb10
[ 738.639989][ T41] ? lock_acquire.part.0+0xe5/0x330
[ 738.640257][ T41] ? process_one_work+0x714/0x1310
[ 738.640534][ T41] ? linkwatch_event+0xe/0x60
[ 738.640778][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 738.641038][ T41] ? __pfx___lock_release+0x10/0x10
[ 738.641308][ T41] ? lock_acquire+0x1c1/0x220
[ 738.641560][ T41] ? linkwatch_event+0xe/0x60
[ 738.641804][ T41] linkwatch_event+0xe/0x60
[ 738.642043][ T41] process_one_work+0x78c/0x1310
[ 738.642302][ T41] ? hlock_class+0x4e/0x130
[ 738.642546][ T41] ? __pfx_process_one_work+0x10/0x10
[ 738.642825][ T41] ? assign_work+0x16c/0x240
[ 738.643066][ T41] worker_thread+0x73d/0x1010
[ 738.643310][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 738.643656][ T41] ? __pfx_worker_thread+0x10/0x10
[ 738.643921][ T41] ? __pfx_worker_thread+0x10/0x10
[ 738.644186][ T41] kthread+0x28f/0x360
[ 738.644409][ T41] ? __pfx_kthread+0x10/0x10
[ 738.644649][ T41] ret_from_fork+0x31/0x70
[ 738.644882][ T41] ? __pfx_kthread+0x10/0x10
[ 738.645118][ T41] ret_from_fork_asm+0x1b/0x30
[ 738.645382][ T41]
[ 738.645548][ T41] INFO: task ip:2430 blocked for more than 122 seconds.
[ 738.645902][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 738.646261][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.646711][ T41] task:ip state:D stack:26168 pid:2430 tgid:2430 ppid:2235 flags:0x00004002
[ 738.647238][ T41] Call Trace:
[ 738.647419][ T41]
[ 738.647575][ T41] __schedule+0x705/0x1ac0
[ 738.647806][ T41] ? __pfx___schedule+0x10/0x10
[ 738.648059][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 738.648337][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 738.648636][ T41] ? lock_acquire+0x1c1/0x220
[ 738.648882][ T41] ? lock_acquire+0x1c1/0x220
[ 738.649123][ T41] ? schedule+0x163/0x280
[ 738.649359][ T41] schedule+0xeb/0x280
[ 738.649572][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 738.649867][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 738.650184][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 738.650508][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 738.650822][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 738.651097][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 738.651416][ T41] ? mnt_release_group_id+0x44/0x90
[ 738.651688][ T41] ? __up_write+0x190/0x520
[ 738.651925][ T41] namespace_unlock+0x1a4/0x420
[ 738.652183][ T41] ? umount_tree+0x6ee/0xfb0
[ 738.652431][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 738.652709][ T41] ? __pfx_umount_tree+0x10/0x10
[ 738.652967][ T41] ? lock_acquire+0x1c1/0x220
[ 738.653212][ T41] do_umount+0x378/0xb10
[ 738.653443][ T41] ? __pfx_do_umount+0x10/0x10
[ 738.653691][ T41] ? user_path_at_empty+0x49/0x60
[ 738.653953][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 738.654221][ T41] path_umount+0x1f6/0x360
[ 738.654461][ T41] __x64_sys_umount+0x10b/0x130
[ 738.654715][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 738.654995][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 738.655267][ T41] do_syscall_64+0xc9/0x1e0
[ 738.655517][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 738.655827][ T41] RIP: 0033:0x7feb41fc663b
[ 738.656062][ T41] RSP: 002b:00007ffc039859f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 738.656500][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007feb41fc663b
[ 738.656908][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc03985a00
[ 738.657312][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffc03985890
[ 738.657728][ T41] R10: 00007feb41e8c8d0 R11: 0000000000000202 R12: 00007ffc03986bb0
[ 738.658135][ T41] R13: 0000000000000001 R14: 00007ffc03987a38 R15: 0000000000000000
[ 738.658552][ T41]
[ 738.658714][ T41] INFO: lockdep is turned off.
[ 752.118324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 752.118703][ C0] rcu: 0-....: (181832 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=40254
[ 752.119257][ C0] rcu: (t=182074 jiffies g=477977 q=5731 ncpus=4)
[ 752.119594][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 752.120072][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 752.120695][ C0] Workqueue: netns cleanup_net
[ 752.120948][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 752.121225][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 752.122217][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 752.122529][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 752.122933][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 752.123339][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 752.123743][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 752.124149][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 752.124554][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 752.125005][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 752.125343][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 752.125749][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 752.126155][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 752.126559][ C0] PKRU: 55555554
[ 752.126743][ C0] Call Trace:
[ 752.126916][ C0]
[ 752.127068][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 752.127347][ C0] ? print_cpu_stall+0x263/0x6a0
[ 752.127604][ C0] ? check_cpu_stall+0x284/0x500
[ 752.127860][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 752.128150][ C0] ? rcu_pending+0x92/0x360
[ 752.128387][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 752.128659][ C0] ? update_process_times+0xb9/0x110
[ 752.128931][ C0] ? tick_sched_handle+0x67/0x130
[ 752.129191][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 752.129484][ C0] ? __run_hrtimer+0x1c0/0x710
[ 752.129728][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 752.130044][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 752.130322][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 752.130612][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 752.130881][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 752.131192][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 752.131460][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 752.131775][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 752.132081][ C0]
[ 752.132233][ C0]
[ 752.132384][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 752.132704][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 752.133007][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 752.133304][ C0] ? report_enabled+0x19/0x30
[ 752.133553][ C0] kasan_report+0x41/0xf0
[ 752.133779][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 752.134068][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 752.134386][ C0] ? __pfx___schedule+0x10/0x10
[ 752.134639][ C0] do_raw_spin_lock+0x1ec/0x270
[ 752.134893][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 752.135168][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 752.135456][ C0] ? lock_acquire+0x1c1/0x220
[ 752.135698][ C0] ? __mutex_lock+0x33e/0xb10
[ 752.135941][ C0] ? __mutex_lock+0x811/0xb10
[ 752.136183][ C0] _raw_spin_lock+0x67/0x80
[ 752.136418][ C0] __mutex_lock+0x33e/0xb10
[ 752.136652][ C0] ? __lock_release+0x40f/0x880
[ 752.136903][ C0] ? __pfx___lock_release+0x10/0x10
[ 752.137172][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 752.137474][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 752.137733][ C0] ? __pfx___up_read+0x10/0x10
[ 752.137980][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 752.138252][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 752.138528][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 752.138822][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 752.139121][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 752.139410][ C0] __tcf_action_put+0x3d/0xf0
[ 752.139654][ C0] tcf_action_destroy+0x43/0x130
[ 752.139910][ C0] tcf_exts_destroy+0x3c/0xb0
[ 752.140153][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 752.140476][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 752.140753][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 752.141055][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 752.141354][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 752.141644][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 752.141963][ C0] ? __lock_release+0x40f/0x880
[ 752.142214][ C0] ? __mutex_lock+0x26e/0xb10
[ 752.142458][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 752.142743][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 752.143056][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 752.143363][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 752.143613][ C0] tcf_chain_flush+0x1e0/0x320
[ 752.143861][ C0] __tcf_block_put+0x113/0x270
[ 752.144108][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 752.144417][ C0] __qdisc_destroy+0xee/0x340
[ 752.144658][ C0] dev_shutdown+0x129/0x350
[ 752.144894][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 752.145219][ C0] ? rtnl_is_locked+0x15/0x20
[ 752.145465][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 752.145789][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 752.146134][ C0] ? mutex_is_locked+0x17/0x50
[ 752.146384][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 752.146689][ C0] cleanup_net+0x4cf/0xb60
[ 752.146919][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 752.147207][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 752.147463][ C0] ? lock_acquire+0x1c1/0x220
[ 752.147704][ C0] ? process_one_work+0x714/0x1310
[ 752.147969][ C0] process_one_work+0x78c/0x1310
[ 752.148226][ C0] ? hlock_class+0x4e/0x130
[ 752.148462][ C0] ? __pfx_process_one_work+0x10/0x10
[ 752.148738][ C0] ? assign_work+0x16c/0x240
[ 752.148977][ C0] worker_thread+0x73d/0x1010
[ 752.149219][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 752.149558][ C0] ? __pfx_worker_thread+0x10/0x10
[ 752.149821][ C0] ? __pfx_worker_thread+0x10/0x10
[ 752.150083][ C0] kthread+0x28f/0x360
[ 752.150293][ C0] ? __pfx_kthread+0x10/0x10
[ 752.150532][ C0] ret_from_fork+0x31/0x70
[ 752.150761][ C0] ? __pfx_kthread+0x10/0x10
[ 752.150999][ C0] ret_from_fork_asm+0x1b/0x30
[ 752.151253][ C0]
[ 776.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 194s! [kworker/u8:1:71]
[ 776.556262][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 776.556968][ C0] irq event stamp: 164379
[ 776.557188][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 776.557666][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 776.558145][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 776.558620][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 776.559087][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 776.559570][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 776.560199][ C0] Workqueue: netns cleanup_net
[ 776.560452][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 776.560719][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 776.561702][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 776.562017][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 776.562422][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 776.562826][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 776.563230][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 776.563634][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 776.564037][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 776.564490][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 776.564828][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 776.565236][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 776.565640][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 776.566042][ C0] PKRU: 55555554
[ 776.566226][ C0] Call Trace:
[ 776.566401][ C0]
[ 776.566551][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 776.566819][ C0] ? __run_hrtimer+0x1c0/0x710
[ 776.567066][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 776.567346][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 776.567625][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 776.567915][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 776.568183][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 776.568495][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 776.568760][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 776.569074][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 776.569374][ C0]
[ 776.569527][ C0]
[ 776.569677][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 776.569997][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 776.570292][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 776.570586][ C0] ? kasan_report+0xd2/0xf0
[ 776.570824][ C0] kasan_check_range+0x39/0x1c0
[ 776.571077][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 776.571364][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 776.571681][ C0] ? __pfx___schedule+0x10/0x10
[ 776.571942][ C0] do_raw_spin_lock+0x1ec/0x270
[ 776.572195][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 776.572471][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 776.572759][ C0] ? lock_acquire+0x1c1/0x220
[ 776.573000][ C0] ? __mutex_lock+0x33e/0xb10
[ 776.573244][ C0] ? __mutex_lock+0x811/0xb10
[ 776.573488][ C0] _raw_spin_lock+0x67/0x80
[ 776.573720][ C0] __mutex_lock+0x33e/0xb10
[ 776.573956][ C0] ? __lock_release+0x40f/0x880
[ 776.574207][ C0] ? __pfx___lock_release+0x10/0x10
[ 776.574475][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 776.574775][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 776.575034][ C0] ? __pfx___up_read+0x10/0x10
[ 776.575280][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 776.575554][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 776.575829][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 776.576122][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 776.576425][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 776.576714][ C0] __tcf_action_put+0x3d/0xf0
[ 776.576959][ C0] tcf_action_destroy+0x43/0x130
[ 776.577214][ C0] tcf_exts_destroy+0x3c/0xb0
[ 776.577460][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 776.577783][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 776.578061][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 776.578364][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 776.578665][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 776.578953][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 776.579269][ C0] ? __lock_release+0x40f/0x880
[ 776.579525][ C0] ? __mutex_lock+0x26e/0xb10
[ 776.579768][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 776.580054][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 776.580369][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 776.580677][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 776.580928][ C0] tcf_chain_flush+0x1e0/0x320
[ 776.581176][ C0] __tcf_block_put+0x113/0x270
[ 776.581425][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 776.581736][ C0] __qdisc_destroy+0xee/0x340
[ 776.581985][ C0] dev_shutdown+0x129/0x350
[ 776.582220][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 776.582546][ C0] ? rtnl_is_locked+0x15/0x20
[ 776.582791][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 776.583111][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 776.583456][ C0] ? mutex_is_locked+0x17/0x50
[ 776.583703][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 776.584009][ C0] cleanup_net+0x4cf/0xb60
[ 776.584238][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 776.584529][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 776.584783][ C0] ? lock_acquire+0x1c1/0x220
[ 776.585023][ C0] ? process_one_work+0x714/0x1310
[ 776.585289][ C0] process_one_work+0x78c/0x1310
[ 776.585547][ C0] ? hlock_class+0x4e/0x130
[ 776.585781][ C0] ? __pfx_process_one_work+0x10/0x10
[ 776.586058][ C0] ? assign_work+0x16c/0x240
[ 776.586298][ C0] worker_thread+0x73d/0x1010
[ 776.586541][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 776.586879][ C0] ? __pfx_worker_thread+0x10/0x10
[ 776.587142][ C0] ? __pfx_worker_thread+0x10/0x10
[ 776.587405][ C0] kthread+0x28f/0x360
[ 776.587616][ C0] ? __pfx_kthread+0x10/0x10
[ 776.587854][ C0] ret_from_fork+0x31/0x70
[ 776.588082][ C0] ? __pfx_kthread+0x10/0x10
[ 776.588320][ C0] ret_from_fork_asm+0x1b/0x30
[ 776.588574][ C0]
[ 800.075342][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 229800 jiffies s: 1289 root: 0x1/.
[ 800.075998][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 800.076376][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 800.076655][ C0] NMI backtrace for cpu 0
[ 800.076665][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 800.076669][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 800.076672][ C0] Workqueue: netns cleanup_net
[ 800.076680][ C0] RIP: 0010:kasan_check_range+0x77/0x1c0
[ 800.076689][ C0] Code: ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 <48> 89 e8 49 8d 59 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e c0 00 00
[ 800.076691][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000286
[ 800.076694][ C0] RAX: dffffc0000000000 RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 800.076696][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 800.076697][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 800.076699][ C0] R10: ffff888008e4fa0b R11: ffff8880353fc508 R12: 0000000000000003
[ 800.076700][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 800.076701][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 800.076703][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 800.076707][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 800.076708][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 800.076710][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 800.076711][ C0] PKRU: 55555554
[ 800.076712][ C0] Call Trace:
[ 800.076716][ C0]
[ 800.076720][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 800.076727][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 800.076732][ C0] ? nmi_handle+0x153/0x420
[ 800.076738][ C0] ? default_do_nmi+0x41/0x100
[ 800.076743][ C0] ? exc_nmi+0xf3/0x120
[ 800.076746][ C0] ? end_repeat_nmi+0xf/0x60
[ 800.076751][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 800.076757][ C0] ? kasan_check_range+0x77/0x1c0
[ 800.076760][ C0] ? kasan_check_range+0x77/0x1c0
[ 800.076764][ C0] ? kasan_check_range+0x77/0x1c0
[ 800.076767][ C0]
[ 800.076768][ C0]
[ 800.076769][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 800.076773][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 800.076777][ C0] ? __pfx___schedule+0x10/0x10
[ 800.076782][ C0] do_raw_spin_lock+0x1ec/0x270
[ 800.076789][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 800.076792][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 800.076795][ C0] ? lock_acquire+0x1c1/0x220
[ 800.076797][ C0] ? __mutex_lock+0x33e/0xb10
[ 800.076801][ C0] ? __mutex_lock+0x811/0xb10
[ 800.076804][ C0] _raw_spin_lock+0x67/0x80
[ 800.076807][ C0] __mutex_lock+0x33e/0xb10
[ 800.076810][ C0] ? __lock_release+0x40f/0x880
[ 800.076813][ C0] ? __pfx___lock_release+0x10/0x10
[ 800.076816][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 800.076822][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 800.076825][ C0] ? __pfx___up_read+0x10/0x10
[ 800.076828][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 800.076831][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 800.076836][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 800.076843][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 800.076846][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 800.076851][ C0] __tcf_action_put+0x3d/0xf0
[ 800.076857][ C0] tcf_action_destroy+0x43/0x130
[ 800.076860][ C0] tcf_exts_destroy+0x3c/0xb0
[ 800.076864][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 800.076875][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 800.076884][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 800.076892][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 800.076901][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 800.076910][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 800.076917][ C0] ? __lock_release+0x40f/0x880
[ 800.076921][ C0] ? __mutex_lock+0x26e/0xb10
[ 800.076925][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 800.076935][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 800.076943][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 800.076947][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 800.076951][ C0] tcf_chain_flush+0x1e0/0x320
[ 800.076955][ C0] __tcf_block_put+0x113/0x270
[ 800.076960][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 800.076969][ C0] __qdisc_destroy+0xee/0x340
[ 800.076973][ C0] dev_shutdown+0x129/0x350
[ 800.076977][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 800.076982][ C0] ? rtnl_is_locked+0x15/0x20
[ 800.076985][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 800.076988][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 800.076991][ C0] ? mutex_is_locked+0x17/0x50
[ 800.076994][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 800.077001][ C0] cleanup_net+0x4cf/0xb60
[ 800.077004][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 800.077007][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 800.077010][ C0] ? lock_acquire+0x1c1/0x220
[ 800.077013][ C0] ? process_one_work+0x714/0x1310
[ 800.077018][ C0] process_one_work+0x78c/0x1310
[ 800.077022][ C0] ? hlock_class+0x4e/0x130
[ 800.077026][ C0] ? __pfx_process_one_work+0x10/0x10
[ 800.077030][ C0] ? assign_work+0x16c/0x240
[ 800.077034][ C0] worker_thread+0x73d/0x1010
[ 800.077036][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 800.077040][ C0] ? __pfx_worker_thread+0x10/0x10
[ 800.077043][ C0] ? __pfx_worker_thread+0x10/0x10
[ 800.077046][ C0] kthread+0x28f/0x360
[ 800.077049][ C0] ? __pfx_kthread+0x10/0x10
[ 800.077051][ C0] ret_from_fork+0x31/0x70
[ 800.077055][ C0] ? __pfx_kthread+0x10/0x10
[ 800.077056][ C0] ret_from_fork_asm+0x1b/0x30
[ 800.077066][ C0]
[ 824.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 238s! [kworker/u8:1:71]
[ 824.556267][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 824.556974][ C0] irq event stamp: 164379
[ 824.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 824.557673][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 824.558157][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 824.558636][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 824.559104][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 824.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 824.560203][ C0] Workqueue: netns cleanup_net
[ 824.560456][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 824.560723][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 824.561711][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 824.562023][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 824.562426][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 824.562829][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 824.563235][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 824.563639][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 824.564041][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 824.564495][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 824.564831][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 824.565239][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 824.565648][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 824.566050][ C0] PKRU: 55555554
[ 824.566234][ C0] Call Trace:
[ 824.566411][ C0]
[ 824.566560][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 824.566828][ C0] ? __run_hrtimer+0x1c0/0x710
[ 824.567076][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 824.567358][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 824.567636][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 824.567926][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 824.568195][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 824.568508][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 824.568773][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 824.569086][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 824.569386][ C0]
[ 824.569538][ C0]
[ 824.569693][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 824.570011][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 824.570311][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 824.570609][ C0] ? kasan_report+0xd2/0xf0
[ 824.570847][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 824.571134][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 824.571453][ C0] ? __pfx___schedule+0x10/0x10
[ 824.571712][ C0] do_raw_spin_lock+0x1ec/0x270
[ 824.571965][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 824.572239][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 824.572529][ C0] ? lock_acquire+0x1c1/0x220
[ 824.572769][ C0] ? __mutex_lock+0x33e/0xb10
[ 824.573011][ C0] ? __mutex_lock+0x811/0xb10
[ 824.573253][ C0] _raw_spin_lock+0x67/0x80
[ 824.573489][ C0] __mutex_lock+0x33e/0xb10
[ 824.573721][ C0] ? __lock_release+0x40f/0x880
[ 824.573971][ C0] ? __pfx___lock_release+0x10/0x10
[ 824.574236][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 824.574540][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 824.574803][ C0] ? __pfx___up_read+0x10/0x10
[ 824.575051][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 824.575321][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 824.575594][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 824.575890][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 824.576188][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 824.576479][ C0] __tcf_action_put+0x3d/0xf0
[ 824.576722][ C0] tcf_action_destroy+0x43/0x130
[ 824.576977][ C0] tcf_exts_destroy+0x3c/0xb0
[ 824.577220][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 824.577546][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 824.577825][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 824.578129][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 824.578427][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 824.578718][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 824.579031][ C0] ? __lock_release+0x40f/0x880
[ 824.579281][ C0] ? __mutex_lock+0x26e/0xb10
[ 824.579526][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 824.579811][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 824.580123][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 824.580432][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 824.580683][ C0] tcf_chain_flush+0x1e0/0x320
[ 824.580930][ C0] __tcf_block_put+0x113/0x270
[ 824.581175][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 824.581485][ C0] __qdisc_destroy+0xee/0x340
[ 824.581732][ C0] dev_shutdown+0x129/0x350
[ 824.581967][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 824.582293][ C0] ? rtnl_is_locked+0x15/0x20
[ 824.582541][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 824.582858][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 824.583201][ C0] ? mutex_is_locked+0x17/0x50
[ 824.583447][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 824.583754][ C0] cleanup_net+0x4cf/0xb60
[ 824.583984][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 824.584270][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 824.584526][ C0] ? lock_acquire+0x1c1/0x220
[ 824.584767][ C0] ? process_one_work+0x714/0x1310
[ 824.585032][ C0] process_one_work+0x78c/0x1310
[ 824.585287][ C0] ? hlock_class+0x4e/0x130
[ 824.585521][ C0] ? __pfx_process_one_work+0x10/0x10
[ 824.585799][ C0] ? assign_work+0x16c/0x240
[ 824.586035][ C0] worker_thread+0x73d/0x1010
[ 824.586277][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 824.586613][ C0] ? __pfx_worker_thread+0x10/0x10
[ 824.586874][ C0] ? __pfx_worker_thread+0x10/0x10
[ 824.587135][ C0] kthread+0x28f/0x360
[ 824.587349][ C0] ? __pfx_kthread+0x10/0x10
[ 824.587585][ C0] ret_from_fork+0x31/0x70
[ 824.587815][ C0] ? __pfx_kthread+0x10/0x10
[ 824.588051][ C0] ret_from_fork_asm+0x1b/0x30
[ 824.588303][ C0]
[ 830.155324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 830.155689][ C0] rcu: 0-....: (259747 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=57506
[ 830.156242][ C0] rcu: (t=260111 jiffies g=477977 q=5747 ncpus=4)
[ 830.156579][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 830.157057][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 830.157680][ C0] Workqueue: netns cleanup_net
[ 830.157932][ C0] RIP: 0010:kasan_report+0x44/0xf0
[ 830.158200][ C0] Code: 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7 ff ff 41 89 c4 <84> c0 0f 84 9c 00 00 00 e8 ff a7 ba ff 41 81 87 3c 0a 00 00 00 00
[ 830.159179][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000247
[ 830.159491][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 830.159895][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 830.160297][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 830.160704][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 830.161110][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 830.161519][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 830.161971][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 830.162306][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 830.162711][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 830.163117][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 830.163525][ C0] PKRU: 55555554
[ 830.163710][ C0] Call Trace:
[ 830.163882][ C0]
[ 830.164033][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 830.164311][ C0] ? print_cpu_stall+0x263/0x6a0
[ 830.164568][ C0] ? check_cpu_stall+0x284/0x500
[ 830.164822][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 830.165112][ C0] ? rcu_pending+0x92/0x360
[ 830.165347][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 830.165619][ C0] ? update_process_times+0xb9/0x110
[ 830.165892][ C0] ? tick_sched_handle+0x67/0x130
[ 830.166152][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 830.166444][ C0] ? __run_hrtimer+0x1c0/0x710
[ 830.166688][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 830.167002][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 830.167280][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 830.167571][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 830.167839][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 830.168149][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 830.168414][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 830.168728][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 830.169029][ C0]
[ 830.169181][ C0]
[ 830.169333][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 830.169654][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 830.169956][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 830.170253][ C0] ? kasan_report+0x44/0xf0
[ 830.170489][ C0] ? kasan_report+0x41/0xf0
[ 830.170724][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 830.171023][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 830.171313][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 830.171636][ C0] ? __pfx___schedule+0x10/0x10
[ 830.171888][ C0] do_raw_spin_lock+0x1ec/0x270
[ 830.172140][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 830.172418][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 830.172705][ C0] ? lock_acquire+0x1c1/0x220
[ 830.172948][ C0] ? __mutex_lock+0x33e/0xb10
[ 830.173189][ C0] ? __mutex_lock+0x811/0xb10
[ 830.173431][ C0] _raw_spin_lock+0x67/0x80
[ 830.173666][ C0] __mutex_lock+0x33e/0xb10
[ 830.173899][ C0] ? __lock_release+0x40f/0x880
[ 830.174150][ C0] ? __pfx___lock_release+0x10/0x10
[ 830.174419][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 830.174720][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 830.174979][ C0] ? __pfx___up_read+0x10/0x10
[ 830.175226][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 830.175497][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 830.175768][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 830.176065][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 830.176364][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 830.176655][ C0] __tcf_action_put+0x3d/0xf0
[ 830.176900][ C0] tcf_action_destroy+0x43/0x130
[ 830.177157][ C0] tcf_exts_destroy+0x3c/0xb0
[ 830.177398][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 830.177722][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 830.177997][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 830.178302][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 830.178601][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 830.178892][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 830.179207][ C0] ? __lock_release+0x40f/0x880
[ 830.179459][ C0] ? __mutex_lock+0x26e/0xb10
[ 830.179700][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 830.179988][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 830.180298][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 830.180607][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 830.180859][ C0] tcf_chain_flush+0x1e0/0x320
[ 830.181107][ C0] __tcf_block_put+0x113/0x270
[ 830.181357][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 830.181667][ C0] __qdisc_destroy+0xee/0x340
[ 830.181911][ C0] dev_shutdown+0x129/0x350
[ 830.182147][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 830.182472][ C0] ? rtnl_is_locked+0x15/0x20
[ 830.182715][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 830.183033][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 830.183381][ C0] ? mutex_is_locked+0x17/0x50
[ 830.183631][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 830.183940][ C0] cleanup_net+0x4cf/0xb60
[ 830.184172][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 830.184458][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 830.184712][ C0] ? lock_acquire+0x1c1/0x220
[ 830.184954][ C0] ? process_one_work+0x714/0x1310
[ 830.185220][ C0] process_one_work+0x78c/0x1310
[ 830.185478][ C0] ? hlock_class+0x4e/0x130
[ 830.185717][ C0] ? __pfx_process_one_work+0x10/0x10
[ 830.185995][ C0] ? assign_work+0x16c/0x240
[ 830.186232][ C0] worker_thread+0x73d/0x1010
[ 830.186473][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 830.186810][ C0] ? __pfx_worker_thread+0x10/0x10
[ 830.187074][ C0] ? __pfx_worker_thread+0x10/0x10
[ 830.187337][ C0] kthread+0x28f/0x360
[ 830.187549][ C0] ? __pfx_kthread+0x10/0x10
[ 830.187785][ C0] ret_from_fork+0x31/0x70
[ 830.188015][ C0] ? __pfx_kthread+0x10/0x10
[ 830.188253][ C0] ret_from_fork_asm+0x1b/0x30
[ 830.188505][ C0]
[ 856.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 268s! [kworker/u8:1:71]
[ 856.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 856.556969][ C0] irq event stamp: 164379
[ 856.557193][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 856.557670][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 856.558150][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 856.558628][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 856.559096][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 856.559575][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 856.560198][ C0] Workqueue: netns cleanup_net
[ 856.560449][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 856.560715][ C0] Code: 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 <85> c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7
[ 856.561702][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 856.562013][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 856.562417][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 856.562820][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 856.563222][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 856.563628][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 856.564031][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 856.564484][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 856.564820][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 856.565225][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 856.565631][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 856.566033][ C0] PKRU: 55555554
[ 856.566217][ C0] Call Trace:
[ 856.566392][ C0]
[ 856.566544][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 856.566811][ C0] ? __run_hrtimer+0x1c0/0x710
[ 856.567059][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 856.567340][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 856.567616][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 856.567913][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 856.568182][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 856.568495][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 856.568761][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 856.569073][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 856.569373][ C0]
[ 856.569525][ C0]
[ 856.569678][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 856.570000][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 856.570296][ C0] ? kasan_report+0x29/0xf0
[ 856.570535][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 856.570824][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 856.571139][ C0] ? __pfx___schedule+0x10/0x10
[ 856.571400][ C0] do_raw_spin_lock+0x1ec/0x270
[ 856.571654][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 856.571928][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 856.572217][ C0] ? lock_acquire+0x1c1/0x220
[ 856.572460][ C0] ? __mutex_lock+0x33e/0xb10
[ 856.572703][ C0] ? __mutex_lock+0x811/0xb10
[ 856.572945][ C0] _raw_spin_lock+0x67/0x80
[ 856.573180][ C0] __mutex_lock+0x33e/0xb10
[ 856.573414][ C0] ? __lock_release+0x40f/0x880
[ 856.573664][ C0] ? __pfx___lock_release+0x10/0x10
[ 856.573929][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 856.574233][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 856.574493][ C0] ? __pfx___up_read+0x10/0x10
[ 856.574741][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 856.575016][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 856.575289][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 856.575587][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 856.575884][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 856.576174][ C0] __tcf_action_put+0x3d/0xf0
[ 856.576419][ C0] tcf_action_destroy+0x43/0x130
[ 856.576675][ C0] tcf_exts_destroy+0x3c/0xb0
[ 856.576918][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 856.577242][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 856.577520][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 856.577825][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 856.578121][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 856.578416][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 856.578730][ C0] ? __lock_release+0x40f/0x880
[ 856.578979][ C0] ? __mutex_lock+0x26e/0xb10
[ 856.579223][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 856.579510][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 856.579823][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 856.580132][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 856.580387][ C0] tcf_chain_flush+0x1e0/0x320
[ 856.580634][ C0] __tcf_block_put+0x113/0x270
[ 856.580880][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 856.581190][ C0] __qdisc_destroy+0xee/0x340
[ 856.581441][ C0] dev_shutdown+0x129/0x350
[ 856.581675][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 856.582001][ C0] ? rtnl_is_locked+0x15/0x20
[ 856.582244][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 856.582564][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 856.582909][ C0] ? mutex_is_locked+0x17/0x50
[ 856.583154][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 856.583463][ C0] cleanup_net+0x4cf/0xb60
[ 856.583692][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 856.583980][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 856.584235][ C0] ? lock_acquire+0x1c1/0x220
[ 856.584478][ C0] ? process_one_work+0x714/0x1310
[ 856.584745][ C0] process_one_work+0x78c/0x1310
[ 856.585001][ C0] ? hlock_class+0x4e/0x130
[ 856.585234][ C0] ? __pfx_process_one_work+0x10/0x10
[ 856.585513][ C0] ? assign_work+0x16c/0x240
[ 856.585751][ C0] worker_thread+0x73d/0x1010
[ 856.585997][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 856.586335][ C0] ? __pfx_worker_thread+0x10/0x10
[ 856.586598][ C0] ? __pfx_worker_thread+0x10/0x10
[ 856.586860][ C0] kthread+0x28f/0x360
[ 856.587071][ C0] ? __pfx_kthread+0x10/0x10
[ 856.587309][ C0] ret_from_fork+0x31/0x70
[ 856.587541][ C0] ? __pfx_kthread+0x10/0x10
[ 856.587777][ C0] ret_from_fork_asm+0x1b/0x30
[ 856.588028][ C0]
[ 861.515345][ T41] INFO: task kworker/u8:0:11 blocked for more than 122 seconds.
[ 861.515776][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 861.516138][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.516597][ T41] task:kworker/u8:0 state:D stack:29104 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 861.517132][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 861.517473][ T41] Call Trace:
[ 861.517650][ T41]
[ 861.517811][ T41] __schedule+0x705/0x1ac0
[ 861.518051][ T41] ? __pfx___schedule+0x10/0x10
[ 861.518308][ T41] ? __mutex_trylock_common+0x79/0x260
[ 861.518607][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 861.518882][ T41] ? lock_acquire+0x1c1/0x220
[ 861.519129][ T41] ? schedule+0x163/0x280
[ 861.519364][ T41] schedule+0xeb/0x280
[ 861.519579][ T41] schedule_preempt_disabled+0x15/0x30
[ 861.519861][ T41] __mutex_lock+0x5e4/0xb10
[ 861.520098][ T41] ? addrconf_verify_work+0x12/0x30
[ 861.520377][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 861.520642][ T41] ? addrconf_verify_work+0x12/0x30
[ 861.520911][ T41] addrconf_verify_work+0x12/0x30
[ 861.521172][ T41] process_one_work+0x78c/0x1310
[ 861.521446][ T41] ? __pfx_process_one_work+0x10/0x10
[ 861.521726][ T41] ? assign_work+0x16c/0x240
[ 861.521965][ T41] ? lock_release+0x1d5/0x250
[ 861.522210][ T41] worker_thread+0x73d/0x1010
[ 861.522464][ T41] ? __pfx_worker_thread+0x10/0x10
[ 861.522731][ T41] kthread+0x28f/0x360
[ 861.522943][ T41] ? __pfx_kthread+0x10/0x10
[ 861.523182][ T41] ret_from_fork+0x31/0x70
[ 861.523423][ T41] ? __pfx_kthread+0x10/0x10
[ 861.523663][ T41] ret_from_fork_asm+0x1b/0x30
[ 861.523918][ T41]
[ 861.524093][ T41] INFO: task kworker/2:2:671 blocked for more than 245 seconds.
[ 861.524492][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 861.524853][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.525296][ T41] task:kworker/2:2 state:D stack:27896 pid:671 tgid:671 ppid:2 flags:0x00004000
[ 861.525829][ T41] Workqueue: events linkwatch_event
[ 861.526103][ T41] Call Trace:
[ 861.526275][ T41]
[ 861.526438][ T41] __schedule+0x705/0x1ac0
[ 861.526673][ T41] ? __pfx___schedule+0x10/0x10
[ 861.526925][ T41] ? __pfx___lock_release+0x10/0x10
[ 861.527195][ T41] ? hlock_class+0x4e/0x130
[ 861.527438][ T41] ? mark_held_locks+0xa5/0xf0
[ 861.527687][ T41] ? schedule+0x1fe/0x280
[ 861.527913][ T41] schedule+0xeb/0x280
[ 861.528126][ T41] schedule_preempt_disabled+0x15/0x30
[ 861.528420][ T41] __mutex_lock+0x5e4/0xb10
[ 861.528657][ T41] ? lock_acquire.part.0+0xe5/0x330
[ 861.528927][ T41] ? process_one_work+0x714/0x1310
[ 861.529191][ T41] ? linkwatch_event+0xe/0x60
[ 861.529444][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 861.529705][ T41] ? __pfx___lock_release+0x10/0x10
[ 861.529975][ T41] ? lock_acquire+0x1c1/0x220
[ 861.530220][ T41] ? linkwatch_event+0xe/0x60
[ 861.530474][ T41] linkwatch_event+0xe/0x60
[ 861.530709][ T41] process_one_work+0x78c/0x1310
[ 861.530968][ T41] ? hlock_class+0x4e/0x130
[ 861.531205][ T41] ? __pfx_process_one_work+0x10/0x10
[ 861.531497][ T41] ? assign_work+0x16c/0x240
[ 861.531738][ T41] worker_thread+0x73d/0x1010
[ 861.531983][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 861.532331][ T41] ? __pfx_worker_thread+0x10/0x10
[ 861.532598][ T41] ? __pfx_worker_thread+0x10/0x10
[ 861.532862][ T41] kthread+0x28f/0x360
[ 861.533073][ T41] ? __pfx_kthread+0x10/0x10
[ 861.533313][ T41] ret_from_fork+0x31/0x70
[ 861.533553][ T41] ? __pfx_kthread+0x10/0x10
[ 861.533792][ T41] ret_from_fork_asm+0x1b/0x30
[ 861.534044][ T41]
[ 861.534209][ T41] INFO: task ip:2430 blocked for more than 245 seconds.
[ 861.534569][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 861.534933][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.535384][ T41] task:ip state:D stack:26168 pid:2430 tgid:2430 ppid:2235 flags:0x00004002
[ 861.535911][ T41] Call Trace:
[ 861.536086][ T41]
[ 861.536244][ T41] __schedule+0x705/0x1ac0
[ 861.536484][ T41] ? __pfx___schedule+0x10/0x10
[ 861.536736][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 861.537007][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 861.537299][ T41] ? lock_acquire+0x1c1/0x220
[ 861.537553][ T41] ? lock_acquire+0x1c1/0x220
[ 861.537797][ T41] ? schedule+0x163/0x280
[ 861.538023][ T41] schedule+0xeb/0x280
[ 861.538235][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 861.538538][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 861.538858][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 861.539173][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 861.539495][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 861.539773][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 861.540084][ T41] ? mnt_release_group_id+0x44/0x90
[ 861.540366][ T41] ? __up_write+0x190/0x520
[ 861.540603][ T41] namespace_unlock+0x1a4/0x420
[ 861.540858][ T41] ? umount_tree+0x6ee/0xfb0
[ 861.541100][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 861.541393][ T41] ? __pfx_umount_tree+0x10/0x10
[ 861.541655][ T41] ? lock_acquire+0x1c1/0x220
[ 861.541901][ T41] do_umount+0x378/0xb10
[ 861.542123][ T41] ? __pfx_do_umount+0x10/0x10
[ 861.542382][ T41] ? user_path_at_empty+0x49/0x60
[ 861.542644][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 861.542913][ T41] path_umount+0x1f6/0x360
[ 861.543146][ T41] __x64_sys_umount+0x10b/0x130
[ 861.543407][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 861.543685][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 861.543958][ T41] do_syscall_64+0xc9/0x1e0
[ 861.544200][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 861.544518][ T41] RIP: 0033:0x7feb41fc663b
[ 861.544750][ T41] RSP: 002b:00007ffc039859f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 861.545181][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007feb41fc663b
[ 861.545598][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc03985a00
[ 861.546011][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffc03985890
[ 861.546430][ T41] R10: 00007feb41e8c8d0 R11: 0000000000000202 R12: 00007ffc03986bb0
[ 861.546838][ T41] R13: 0000000000000001 R14: 00007ffc03987a38 R15: 0000000000000000
[ 861.547247][ T41]
[ 861.547416][ T41] INFO: lockdep is turned off.
[ 884.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 294s! [kworker/u8:1:71]
[ 884.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 884.556980][ C0] irq event stamp: 164379
[ 884.557200][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 884.557682][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 884.558157][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 884.558632][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 884.559100][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 884.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 884.560201][ C0] Workqueue: netns cleanup_net
[ 884.560454][ C0] RIP: 0010:kasan_report+0xd/0xf0
[ 884.560719][ C0] Code: c3 cc cc cc cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 <53> 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41
[ 884.561709][ C0] RSP: 0018:ffffc9000051f3b0 EFLAGS: 00000246
[ 884.562020][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 884.562433][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 884.562852][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 884.563255][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 884.563661][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 884.564062][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 884.564516][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 884.564854][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 884.565259][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 884.565664][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 884.566067][ C0] PKRU: 55555554
[ 884.566259][ C0] Call Trace:
[ 884.566431][ C0]
[ 884.566576][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 884.566836][ C0] ? __run_hrtimer+0x1c0/0x710
[ 884.567095][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 884.567378][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 884.567656][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 884.567945][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 884.568215][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 884.568531][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 884.568787][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 884.569092][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 884.569402][ C0]
[ 884.569553][ C0]
[ 884.569705][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 884.570027][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 884.570326][ C0] ? kasan_report+0xd/0xf0
[ 884.570556][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 884.570847][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 884.571164][ C0] ? __pfx___schedule+0x10/0x10
[ 884.571423][ C0] do_raw_spin_lock+0x1ec/0x270
[ 884.571677][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 884.571952][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 884.572238][ C0] ? lock_acquire+0x1c1/0x220
[ 884.572489][ C0] ? __mutex_lock+0x33e/0xb10
[ 884.572728][ C0] ? __mutex_lock+0x811/0xb10
[ 884.572962][ C0] _raw_spin_lock+0x67/0x80
[ 884.573190][ C0] __mutex_lock+0x33e/0xb10
[ 884.573419][ C0] ? __lock_release+0x40f/0x880
[ 884.573662][ C0] ? __pfx___lock_release+0x10/0x10
[ 884.573921][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 884.574212][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 884.574467][ C0] ? __pfx___up_read+0x10/0x10
[ 884.574709][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 884.574972][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 884.575260][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 884.575556][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 884.575855][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 884.576143][ C0] __tcf_action_put+0x3d/0xf0
[ 884.576398][ C0] tcf_action_destroy+0x43/0x130
[ 884.576648][ C0] tcf_exts_destroy+0x3c/0xb0
[ 884.576883][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 884.577197][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 884.577469][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 884.577764][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 884.578076][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 884.578366][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 884.578682][ C0] ? __lock_release+0x40f/0x880
[ 884.578932][ C0] ? __mutex_lock+0x26e/0xb10
[ 884.579173][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 884.579461][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 884.579773][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 884.580079][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 884.580331][ C0] tcf_chain_flush+0x1e0/0x320
[ 884.580579][ C0] __tcf_block_put+0x113/0x270
[ 884.580827][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 884.581138][ C0] __qdisc_destroy+0xee/0x340
[ 884.581386][ C0] dev_shutdown+0x129/0x350
[ 884.581622][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 884.581948][ C0] ? rtnl_is_locked+0x15/0x20
[ 884.582192][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 884.582512][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 884.582857][ C0] ? mutex_is_locked+0x17/0x50
[ 884.583102][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 884.583408][ C0] cleanup_net+0x4cf/0xb60
[ 884.583641][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 884.583926][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 884.584185][ C0] ? lock_acquire+0x1c1/0x220
[ 884.584427][ C0] ? process_one_work+0x714/0x1310
[ 884.584692][ C0] process_one_work+0x78c/0x1310
[ 884.584951][ C0] ? hlock_class+0x4e/0x130
[ 884.585179][ C0] ? __pfx_process_one_work+0x10/0x10
[ 884.585449][ C0] ? assign_work+0x16c/0x240
[ 884.585681][ C0] worker_thread+0x73d/0x1010
[ 884.585913][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 884.586242][ C0] ? __pfx_worker_thread+0x10/0x10
[ 884.586500][ C0] ? __pfx_worker_thread+0x10/0x10
[ 884.586777][ C0] kthread+0x28f/0x360
[ 884.586987][ C0] ? __pfx_kthread+0x10/0x10
[ 884.587224][ C0] ret_from_fork+0x31/0x70
[ 884.587453][ C0] ? __pfx_kthread+0x10/0x10
[ 884.587690][ C0] ret_from_fork_asm+0x1b/0x30
[ 884.587943][ C0]
[ 898.379340][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 328104 jiffies s: 1289 root: 0x1/.
[ 898.379992][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 898.380384][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 898.380672][ C0] NMI backtrace for cpu 0
[ 898.380677][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 898.380682][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 898.380685][ C0] Workqueue: netns cleanup_net
[ 898.380693][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 898.380701][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 898.380703][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 898.380706][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 898.380707][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 898.380709][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 898.380710][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 898.380712][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 898.380713][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 898.380715][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 898.380718][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 898.380719][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 898.380720][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 898.380722][ C0] PKRU: 55555554
[ 898.380723][ C0] Call Trace:
[ 898.380727][ C0]
[ 898.380729][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 898.380735][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 898.380741][ C0] ? nmi_handle+0x153/0x420
[ 898.380746][ C0] ? default_do_nmi+0x41/0x100
[ 898.380752][ C0] ? exc_nmi+0xf3/0x120
[ 898.380754][ C0] ? end_repeat_nmi+0xf/0x60
[ 898.380760][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 898.380763][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 898.380766][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 898.380769][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 898.380772][ C0]
[ 898.380773][ C0]
[ 898.380774][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 898.380778][ C0] ? __pfx___schedule+0x10/0x10
[ 898.380783][ C0] do_raw_spin_lock+0x1ec/0x270
[ 898.380790][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 898.380793][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 898.380796][ C0] ? lock_acquire+0x1c1/0x220
[ 898.380798][ C0] ? __mutex_lock+0x33e/0xb10
[ 898.380802][ C0] ? __mutex_lock+0x811/0xb10
[ 898.380805][ C0] _raw_spin_lock+0x67/0x80
[ 898.380809][ C0] __mutex_lock+0x33e/0xb10
[ 898.380812][ C0] ? __lock_release+0x40f/0x880
[ 898.380815][ C0] ? __pfx___lock_release+0x10/0x10
[ 898.380817][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 898.380824][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 898.380827][ C0] ? __pfx___up_read+0x10/0x10
[ 898.380832][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 898.380835][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 898.380840][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 898.380846][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 898.380849][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 898.380854][ C0] __tcf_action_put+0x3d/0xf0
[ 898.380859][ C0] tcf_action_destroy+0x43/0x130
[ 898.380863][ C0] tcf_exts_destroy+0x3c/0xb0
[ 898.380867][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 898.380878][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 898.380887][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 898.380895][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 898.380904][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 898.380913][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 898.380921][ C0] ? __lock_release+0x40f/0x880
[ 898.380924][ C0] ? __mutex_lock+0x26e/0xb10
[ 898.380928][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 898.380938][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 898.380946][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 898.380951][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 898.380955][ C0] tcf_chain_flush+0x1e0/0x320
[ 898.380959][ C0] __tcf_block_put+0x113/0x270
[ 898.380964][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 898.380972][ C0] __qdisc_destroy+0xee/0x340
[ 898.380976][ C0] dev_shutdown+0x129/0x350
[ 898.380980][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 898.380985][ C0] ? rtnl_is_locked+0x15/0x20
[ 898.380988][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 898.380991][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 898.380994][ C0] ? mutex_is_locked+0x17/0x50
[ 898.380997][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 898.381003][ C0] cleanup_net+0x4cf/0xb60
[ 898.381006][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 898.381009][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 898.381012][ C0] ? lock_acquire+0x1c1/0x220
[ 898.381015][ C0] ? process_one_work+0x714/0x1310
[ 898.381020][ C0] process_one_work+0x78c/0x1310
[ 898.381024][ C0] ? hlock_class+0x4e/0x130
[ 898.381028][ C0] ? __pfx_process_one_work+0x10/0x10
[ 898.381032][ C0] ? assign_work+0x16c/0x240
[ 898.381036][ C0] worker_thread+0x73d/0x1010
[ 898.381039][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 898.381043][ C0] ? __pfx_worker_thread+0x10/0x10
[ 898.381045][ C0] ? __pfx_worker_thread+0x10/0x10
[ 898.381048][ C0] kthread+0x28f/0x360
[ 898.381050][ C0] ? __pfx_kthread+0x10/0x10
[ 898.381052][ C0] ret_from_fork+0x31/0x70
[ 898.381056][ C0] ? __pfx_kthread+0x10/0x10
[ 898.381057][ C0] ret_from_fork_asm+0x1b/0x30
[ 898.381067][ C0]
[ 908.192325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 908.192692][ C0] rcu: 0-....: (337664 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=74474
[ 908.193245][ C0] rcu: (t=338148 jiffies g=477977 q=5753 ncpus=4)
[ 908.193581][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 908.194057][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 908.194679][ C0] Workqueue: netns cleanup_net
[ 908.194931][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 908.195263][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 908.196241][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 908.196552][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 908.196953][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 908.197356][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 908.197758][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 908.198162][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 908.198566][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 908.199022][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 908.199358][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 908.199759][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 908.200165][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 908.200569][ C0] PKRU: 55555554
[ 908.200752][ C0] Call Trace:
[ 908.200924][ C0]
[ 908.201075][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 908.201358][ C0] ? print_cpu_stall+0x263/0x6a0
[ 908.201613][ C0] ? check_cpu_stall+0x284/0x500
[ 908.201866][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 908.202159][ C0] ? rcu_pending+0x92/0x360
[ 908.202394][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 908.202666][ C0] ? update_process_times+0xb9/0x110
[ 908.202939][ C0] ? tick_sched_handle+0x67/0x130
[ 908.203198][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 908.203488][ C0] ? __run_hrtimer+0x1c0/0x710
[ 908.203732][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 908.204046][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 908.204323][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 908.204613][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 908.204880][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 908.205189][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 908.205454][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 908.205768][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 908.206068][ C0]
[ 908.206219][ C0]
[ 908.206370][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 908.206691][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 908.206990][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 908.207288][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 908.207612][ C0] ? __pfx___schedule+0x10/0x10
[ 908.207864][ C0] do_raw_spin_lock+0x1ec/0x270
[ 908.208116][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 908.208389][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 908.208677][ C0] ? lock_acquire+0x1c1/0x220
[ 908.208916][ C0] ? __mutex_lock+0x33e/0xb10
[ 908.209157][ C0] ? __mutex_lock+0x811/0xb10
[ 908.209399][ C0] _raw_spin_lock+0x67/0x80
[ 908.209633][ C0] __mutex_lock+0x33e/0xb10
[ 908.209863][ C0] ? __lock_release+0x40f/0x880
[ 908.210112][ C0] ? __pfx___lock_release+0x10/0x10
[ 908.210378][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 908.210679][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 908.210937][ C0] ? __pfx___up_read+0x10/0x10
[ 908.211188][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 908.211459][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 908.211730][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 908.212024][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 908.212320][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 908.212610][ C0] __tcf_action_put+0x3d/0xf0
[ 908.212851][ C0] tcf_action_destroy+0x43/0x130
[ 908.213106][ C0] tcf_exts_destroy+0x3c/0xb0
[ 908.213350][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 908.213670][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 908.213945][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 908.214248][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 908.214545][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 908.214835][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 908.215152][ C0] ? __lock_release+0x40f/0x880
[ 908.215401][ C0] ? __mutex_lock+0x26e/0xb10
[ 908.215643][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 908.215926][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 908.216238][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 908.216551][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 908.216802][ C0] tcf_chain_flush+0x1e0/0x320
[ 908.217048][ C0] __tcf_block_put+0x113/0x270
[ 908.217293][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 908.217601][ C0] __qdisc_destroy+0xee/0x340
[ 908.217844][ C0] dev_shutdown+0x129/0x350
[ 908.218076][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 908.218402][ C0] ? rtnl_is_locked+0x15/0x20
[ 908.218645][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 908.218960][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 908.219303][ C0] ? mutex_is_locked+0x17/0x50
[ 908.219549][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 908.219855][ C0] cleanup_net+0x4cf/0xb60
[ 908.220084][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 908.220371][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 908.220625][ C0] ? lock_acquire+0x1c1/0x220
[ 908.220865][ C0] ? process_one_work+0x714/0x1310
[ 908.221133][ C0] process_one_work+0x78c/0x1310
[ 908.221394][ C0] ? hlock_class+0x4e/0x130
[ 908.221625][ C0] ? __pfx_process_one_work+0x10/0x10
[ 908.221901][ C0] ? assign_work+0x16c/0x240
[ 908.222138][ C0] worker_thread+0x73d/0x1010
[ 908.222380][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 908.222714][ C0] ? __pfx_worker_thread+0x10/0x10
[ 908.222975][ C0] ? __pfx_worker_thread+0x10/0x10
[ 908.223235][ C0] kthread+0x28f/0x360
[ 908.223446][ C0] ? __pfx_kthread+0x10/0x10
[ 908.223682][ C0] ret_from_fork+0x31/0x70
[ 908.223911][ C0] ? __pfx_kthread+0x10/0x10
[ 908.224145][ C0] ret_from_fork_asm+0x1b/0x30
[ 908.224397][ C0]
[ 932.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 339s! [kworker/u8:1:71]
[ 932.556272][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 932.556979][ C0] irq event stamp: 164379
[ 932.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 932.557681][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 932.558156][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 932.558630][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 932.559099][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 932.559579][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 932.560195][ C0] Workqueue: netns cleanup_net
[ 932.560447][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 932.560719][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 932.561702][ C0] RSP: 0018:ffffc9000051f310 EFLAGS: 00000247
[ 932.562012][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 932.562422][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 932.562825][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 932.563226][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 932.563629][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 932.564032][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 932.564484][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 932.564820][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 932.565222][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 932.565624][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 932.566037][ C0] PKRU: 55555554
[ 932.566219][ C0] Call Trace:
[ 932.566393][ C0]
[ 932.566543][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 932.566810][ C0] ? __run_hrtimer+0x1c0/0x710
[ 932.567056][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 932.567342][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 932.567618][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 932.567906][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 932.568177][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 932.568485][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 932.568749][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 932.569064][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 932.569365][ C0]
[ 932.569515][ C0]
[ 932.569668][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 932.569985][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 932.570279][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 932.570572][ C0] ? report_enabled+0x19/0x30
[ 932.570814][ C0] kasan_report+0x41/0xf0
[ 932.571044][ C0] kasan_check_range+0x39/0x1c0
[ 932.571297][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 932.571582][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 932.571899][ C0] ? __pfx___schedule+0x10/0x10
[ 932.572152][ C0] do_raw_spin_lock+0x1ec/0x270
[ 932.572406][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 932.572682][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 932.572969][ C0] ? lock_acquire+0x1c1/0x220
[ 932.573210][ C0] ? __mutex_lock+0x33e/0xb10
[ 932.573455][ C0] ? __mutex_lock+0x811/0xb10
[ 932.573694][ C0] _raw_spin_lock+0x67/0x80
[ 932.573929][ C0] __mutex_lock+0x33e/0xb10
[ 932.574163][ C0] ? __lock_release+0x40f/0x880
[ 932.574415][ C0] ? __pfx___lock_release+0x10/0x10
[ 932.574682][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 932.574981][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 932.575240][ C0] ? __pfx___up_read+0x10/0x10
[ 932.575489][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 932.575759][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 932.576034][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 932.576333][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 932.576633][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 932.576920][ C0] __tcf_action_put+0x3d/0xf0
[ 932.577166][ C0] tcf_action_destroy+0x43/0x130
[ 932.577423][ C0] tcf_exts_destroy+0x3c/0xb0
[ 932.577664][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 932.577986][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 932.578264][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 932.578569][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 932.578867][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 932.579155][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 932.579472][ C0] ? __lock_release+0x40f/0x880
[ 932.579723][ C0] ? __mutex_lock+0x26e/0xb10
[ 932.579965][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 932.580251][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 932.580568][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 932.580874][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 932.581130][ C0] tcf_chain_flush+0x1e0/0x320
[ 932.581379][ C0] __tcf_block_put+0x113/0x270
[ 932.581627][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 932.581934][ C0] __qdisc_destroy+0xee/0x340
[ 932.582176][ C0] dev_shutdown+0x129/0x350
[ 932.582414][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 932.582739][ C0] ? rtnl_is_locked+0x15/0x20
[ 932.582983][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 932.583301][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 932.583646][ C0] ? mutex_is_locked+0x17/0x50
[ 932.583893][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 932.584197][ C0] cleanup_net+0x4cf/0xb60
[ 932.584431][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 932.584716][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 932.584971][ C0] ? lock_acquire+0x1c1/0x220
[ 932.585221][ C0] ? process_one_work+0x714/0x1310
[ 932.585488][ C0] process_one_work+0x78c/0x1310
[ 932.585743][ C0] ? hlock_class+0x4e/0x130
[ 932.585977][ C0] ? __pfx_process_one_work+0x10/0x10
[ 932.586253][ C0] ? assign_work+0x16c/0x240
[ 932.586495][ C0] worker_thread+0x73d/0x1010
[ 932.586734][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 932.587073][ C0] ? __pfx_worker_thread+0x10/0x10
[ 932.587336][ C0] ? __pfx_worker_thread+0x10/0x10
[ 932.587598][ C0] kthread+0x28f/0x360
[ 932.587808][ C0] ? __pfx_kthread+0x10/0x10
[ 932.588045][ C0] ret_from_fork+0x31/0x70
[ 932.588274][ C0] ? __pfx_kthread+0x10/0x10
[ 932.588512][ C0] ret_from_fork_asm+0x1b/0x30
[ 932.588765][ C0]
[ 960.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 365s! [kworker/u8:1:71]
[ 960.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 960.556970][ C0] irq event stamp: 164379
[ 960.557191][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 960.557669][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 960.558147][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 960.558622][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 960.559089][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 960.559568][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 960.560189][ C0] Workqueue: netns cleanup_net
[ 960.560441][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 960.560708][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 960.561696][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 960.562007][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 960.562411][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 960.562818][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 960.563223][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 960.563628][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 960.564031][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 960.564483][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 960.564817][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 960.565224][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 960.565628][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 960.566030][ C0] PKRU: 55555554
[ 960.566213][ C0] Call Trace:
[ 960.566389][ C0]
[ 960.566539][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 960.566805][ C0] ? __run_hrtimer+0x1c0/0x710
[ 960.567054][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 960.567334][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 960.567612][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 960.567905][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 960.568173][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 960.568485][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 960.568749][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 960.569064][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 960.569362][ C0]
[ 960.569516][ C0]
[ 960.569667][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 960.569987][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 960.570287][ C0] ? kasan_report+0x19/0xf0
[ 960.570525][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 960.570814][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 960.571135][ C0] ? __pfx___schedule+0x10/0x10
[ 960.571388][ C0] do_raw_spin_lock+0x1ec/0x270
[ 960.571644][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 960.571924][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 960.572212][ C0] ? lock_acquire+0x1c1/0x220
[ 960.572457][ C0] ? __mutex_lock+0x33e/0xb10
[ 960.572700][ C0] ? __mutex_lock+0x811/0xb10
[ 960.572942][ C0] _raw_spin_lock+0x67/0x80
[ 960.573176][ C0] __mutex_lock+0x33e/0xb10
[ 960.573411][ C0] ? __lock_release+0x40f/0x880
[ 960.573661][ C0] ? __pfx___lock_release+0x10/0x10
[ 960.573928][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 960.574230][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 960.574489][ C0] ? __pfx___up_read+0x10/0x10
[ 960.574740][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 960.575011][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 960.575284][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 960.575583][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 960.575879][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 960.576171][ C0] __tcf_action_put+0x3d/0xf0
[ 960.576416][ C0] tcf_action_destroy+0x43/0x130
[ 960.576671][ C0] tcf_exts_destroy+0x3c/0xb0
[ 960.576912][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 960.577236][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 960.577513][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 960.577818][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 960.578115][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 960.578407][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 960.578722][ C0] ? __lock_release+0x40f/0x880
[ 960.578972][ C0] ? __mutex_lock+0x26e/0xb10
[ 960.579214][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 960.579503][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 960.579813][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 960.580122][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 960.580377][ C0] tcf_chain_flush+0x1e0/0x320
[ 960.580624][ C0] __tcf_block_put+0x113/0x270
[ 960.580884][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 960.581191][ C0] __qdisc_destroy+0xee/0x340
[ 960.581436][ C0] dev_shutdown+0x129/0x350
[ 960.581672][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 960.581999][ C0] ? rtnl_is_locked+0x15/0x20
[ 960.582241][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 960.582562][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 960.582910][ C0] ? mutex_is_locked+0x17/0x50
[ 960.583155][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 960.583464][ C0] cleanup_net+0x4cf/0xb60
[ 960.583695][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 960.583982][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 960.584237][ C0] ? lock_acquire+0x1c1/0x220
[ 960.584480][ C0] ? process_one_work+0x714/0x1310
[ 960.584746][ C0] process_one_work+0x78c/0x1310
[ 960.585003][ C0] ? hlock_class+0x4e/0x130
[ 960.585236][ C0] ? __pfx_process_one_work+0x10/0x10
[ 960.585517][ C0] ? assign_work+0x16c/0x240
[ 960.585753][ C0] worker_thread+0x73d/0x1010
[ 960.585997][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 960.586332][ C0] ? __pfx_worker_thread+0x10/0x10
[ 960.586595][ C0] ? __pfx_worker_thread+0x10/0x10
[ 960.586859][ C0] kthread+0x28f/0x360
[ 960.587072][ C0] ? __pfx_kthread+0x10/0x10
[ 960.587307][ C0] ret_from_fork+0x31/0x70
[ 960.587540][ C0] ? __pfx_kthread+0x10/0x10
[ 960.587778][ C0] ret_from_fork_asm+0x1b/0x30
[ 960.588030][ C0]
[ 984.395353][ T41] INFO: task kworker/u8:0:11 blocked for more than 245 seconds.
[ 984.395798][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 984.396167][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.396630][ T41] task:kworker/u8:0 state:D stack:29104 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 984.397168][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 984.397510][ T41] Call Trace:
[ 984.397688][ T41]
[ 984.397846][ T41] __schedule+0x705/0x1ac0
[ 984.398090][ T41] ? __pfx___schedule+0x10/0x10
[ 984.398358][ T41] ? __mutex_trylock_common+0x79/0x260
[ 984.398647][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 984.398923][ T41] ? lock_acquire+0x1c1/0x220
[ 984.399171][ T41] ? schedule+0x163/0x280
[ 984.399411][ T41] schedule+0xeb/0x280
[ 984.399627][ T41] schedule_preempt_disabled+0x15/0x30
[ 984.399913][ T41] __mutex_lock+0x5e4/0xb10
[ 984.400156][ T41] ? addrconf_verify_work+0x12/0x30
[ 984.400440][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 984.400715][ T41] ? addrconf_verify_work+0x12/0x30
[ 984.400989][ T41] addrconf_verify_work+0x12/0x30
[ 984.401254][ T41] process_one_work+0x78c/0x1310
[ 984.401526][ T41] ? __pfx_process_one_work+0x10/0x10
[ 984.401812][ T41] ? assign_work+0x16c/0x240
[ 984.402052][ T41] ? lock_release+0x1d5/0x250
[ 984.402301][ T41] worker_thread+0x73d/0x1010
[ 984.402561][ T41] ? __pfx_worker_thread+0x10/0x10
[ 984.402830][ T41] kthread+0x28f/0x360
[ 984.403045][ T41] ? __pfx_kthread+0x10/0x10
[ 984.403288][ T41] ret_from_fork+0x31/0x70
[ 984.403532][ T41] ? __pfx_kthread+0x10/0x10
[ 984.403774][ T41] ret_from_fork_asm+0x1b/0x30
[ 984.404034][ T41]
[ 984.404212][ T41] INFO: task kworker/2:2:671 blocked for more than 368 seconds.
[ 984.404617][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 984.404979][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.405435][ T41] task:kworker/2:2 state:D stack:27896 pid:671 tgid:671 ppid:2 flags:0x00004000
[ 984.405970][ T41] Workqueue: events linkwatch_event
[ 984.406246][ T41] Call Trace:
[ 984.406430][ T41]
[ 984.406587][ T41] __schedule+0x705/0x1ac0
[ 984.406825][ T41] ? __pfx___schedule+0x10/0x10
[ 984.407081][ T41] ? __pfx___lock_release+0x10/0x10
[ 984.407362][ T41] ? hlock_class+0x4e/0x130
[ 984.407604][ T41] ? mark_held_locks+0xa5/0xf0
[ 984.407856][ T41] ? schedule+0x1fe/0x280
[ 984.408084][ T41] schedule+0xeb/0x280
[ 984.408299][ T41] schedule_preempt_disabled+0x15/0x30
[ 984.408601][ T41] __mutex_lock+0x5e4/0xb10
[ 984.408839][ T41] ? lock_acquire.part.0+0xe5/0x330
[ 984.409113][ T41] ? process_one_work+0x714/0x1310
[ 984.409390][ T41] ? linkwatch_event+0xe/0x60
[ 984.409637][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 984.409901][ T41] ? __pfx___lock_release+0x10/0x10
[ 984.410179][ T41] ? lock_acquire+0x1c1/0x220
[ 984.410434][ T41] ? linkwatch_event+0xe/0x60
[ 984.410683][ T41] linkwatch_event+0xe/0x60
[ 984.410928][ T41] process_one_work+0x78c/0x1310
[ 984.411191][ T41] ? hlock_class+0x4e/0x130
[ 984.411438][ T41] ? __pfx_process_one_work+0x10/0x10
[ 984.411724][ T41] ? assign_work+0x16c/0x240
[ 984.411966][ T41] worker_thread+0x73d/0x1010
[ 984.412215][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 984.412570][ T41] ? __pfx_worker_thread+0x10/0x10
[ 984.412846][ T41] ? __pfx_worker_thread+0x10/0x10
[ 984.413115][ T41] kthread+0x28f/0x360
[ 984.413340][ T41] ? __pfx_kthread+0x10/0x10
[ 984.413584][ T41] ret_from_fork+0x31/0x70
[ 984.413818][ T41] ? __pfx_kthread+0x10/0x10
[ 984.414061][ T41] ret_from_fork_asm+0x1b/0x30
[ 984.414317][ T41]
[ 984.414491][ T41] INFO: task ip:2430 blocked for more than 368 seconds.
[ 984.414852][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 984.415219][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.415675][ T41] task:ip state:D stack:26168 pid:2430 tgid:2430 ppid:2235 flags:0x00004002
[ 984.416207][ T41] Call Trace:
[ 984.416391][ T41]
[ 984.416547][ T41] __schedule+0x705/0x1ac0
[ 984.416784][ T41] ? __pfx___schedule+0x10/0x10
[ 984.417040][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 984.417314][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 984.417617][ T41] ? lock_acquire+0x1c1/0x220
[ 984.417866][ T41] ? lock_acquire+0x1c1/0x220
[ 984.418113][ T41] ? schedule+0x163/0x280
[ 984.418349][ T41] schedule+0xeb/0x280
[ 984.418567][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 984.418863][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 984.419185][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 984.419514][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 984.419834][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 984.420112][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 984.420439][ T41] ? mnt_release_group_id+0x44/0x90
[ 984.420724][ T41] ? __up_write+0x190/0x520
[ 984.420966][ T41] namespace_unlock+0x1a4/0x420
[ 984.421222][ T41] ? umount_tree+0x6ee/0xfb0
[ 984.421473][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 984.421756][ T41] ? __pfx_umount_tree+0x10/0x10
[ 984.422029][ T41] ? lock_acquire+0x1c1/0x220
[ 984.422289][ T41] do_umount+0x378/0xb10
[ 984.422523][ T41] ? __pfx_do_umount+0x10/0x10
[ 984.422771][ T41] ? user_path_at_empty+0x49/0x60
[ 984.423046][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 984.423317][ T41] path_umount+0x1f6/0x360
[ 984.423561][ T41] __x64_sys_umount+0x10b/0x130
[ 984.423814][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 984.424103][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 984.424388][ T41] do_syscall_64+0xc9/0x1e0
[ 984.424628][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 984.424940][ T41] RIP: 0033:0x7feb41fc663b
[ 984.425183][ T41] RSP: 002b:00007ffc039859f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 984.425623][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007feb41fc663b
[ 984.426043][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffc03985a00
[ 984.426461][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007ffc03985890
[ 984.426868][ T41] R10: 00007feb41e8c8d0 R11: 0000000000000202 R12: 00007ffc03986bb0
[ 984.427292][ T41] R13: 0000000000000001 R14: 00007ffc03987a38 R15: 0000000000000000
[ 984.427718][ T41]
[ 984.427878][ T41] INFO: lockdep is turned off.
[ 986.227325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 986.227698][ C0] rcu: 0-....: (415605 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=92197
[ 986.228254][ C0] rcu: (t=416183 jiffies g=477977 q=5753 ncpus=4)
[ 986.228590][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 986.229073][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 986.229704][ C0] Workqueue: netns cleanup_net
[ 986.229957][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 986.230292][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 986.231278][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 986.231589][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 986.231992][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 986.232395][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 986.232796][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 986.233200][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 986.233603][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 986.234056][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 986.234391][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 986.234794][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 986.235199][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 986.235604][ C0] PKRU: 55555554
[ 986.235788][ C0] Call Trace:
[ 986.235961][ C0]
[ 986.236113][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 986.236393][ C0] ? print_cpu_stall+0x263/0x6a0
[ 986.236648][ C0] ? check_cpu_stall+0x284/0x500
[ 986.236901][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 986.237192][ C0] ? rcu_pending+0x92/0x360
[ 986.237432][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 986.237704][ C0] ? update_process_times+0xb9/0x110
[ 986.237977][ C0] ? tick_sched_handle+0x67/0x130
[ 986.238238][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 986.238528][ C0] ? __run_hrtimer+0x1c0/0x710
[ 986.238772][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 986.239085][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 986.239364][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 986.239654][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 986.239922][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 986.240232][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 986.240496][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 986.240812][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 986.241111][ C0]
[ 986.241262][ C0]
[ 986.241412][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 986.241732][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 986.242030][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 986.242326][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 986.242642][ C0] ? __pfx___schedule+0x10/0x10
[ 986.242898][ C0] do_raw_spin_lock+0x1ec/0x270
[ 986.243152][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 986.243426][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 986.243715][ C0] ? lock_acquire+0x1c1/0x220
[ 986.243954][ C0] ? __mutex_lock+0x33e/0xb10
[ 986.244196][ C0] ? __mutex_lock+0x811/0xb10
[ 986.244437][ C0] _raw_spin_lock+0x67/0x80
[ 986.244670][ C0] __mutex_lock+0x33e/0xb10
[ 986.244901][ C0] ? __lock_release+0x40f/0x880
[ 986.245151][ C0] ? __pfx___lock_release+0x10/0x10
[ 986.245418][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 986.245722][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 986.245980][ C0] ? __pfx___up_read+0x10/0x10
[ 986.246227][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 986.246497][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 986.246773][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 986.247068][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 986.247367][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 986.247661][ C0] __tcf_action_put+0x3d/0xf0
[ 986.247903][ C0] tcf_action_destroy+0x43/0x130
[ 986.248156][ C0] tcf_exts_destroy+0x3c/0xb0
[ 986.248400][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 986.248725][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 986.249001][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 986.249304][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 986.249601][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 986.249889][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 986.250201][ C0] ? __lock_release+0x40f/0x880
[ 986.250452][ C0] ? __mutex_lock+0x26e/0xb10
[ 986.250694][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 986.250988][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 986.251300][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 986.251607][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 986.251858][ C0] tcf_chain_flush+0x1e0/0x320
[ 986.252105][ C0] __tcf_block_put+0x113/0x270
[ 986.252351][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 986.252660][ C0] __qdisc_destroy+0xee/0x340
[ 986.252903][ C0] dev_shutdown+0x129/0x350
[ 986.253135][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 986.253461][ C0] ? rtnl_is_locked+0x15/0x20
[ 986.253703][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 986.254020][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 986.254363][ C0] ? mutex_is_locked+0x17/0x50
[ 986.254609][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 986.254915][ C0] cleanup_net+0x4cf/0xb60
[ 986.255144][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 986.255432][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 986.255686][ C0] ? lock_acquire+0x1c1/0x220
[ 986.255927][ C0] ? process_one_work+0x714/0x1310
[ 986.256191][ C0] process_one_work+0x78c/0x1310
[ 986.256448][ C0] ? hlock_class+0x4e/0x130
[ 986.256679][ C0] ? __pfx_process_one_work+0x10/0x10
[ 986.256956][ C0] ? assign_work+0x16c/0x240
[ 986.257192][ C0] worker_thread+0x73d/0x1010
[ 986.257435][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 986.257770][ C0] ? __pfx_worker_thread+0x10/0x10
[ 986.258031][ C0] ? __pfx_worker_thread+0x10/0x10
[ 986.258290][ C0] kthread+0x28f/0x360
[ 986.258503][ C0] ? __pfx_kthread+0x10/0x10
[ 986.258738][ C0] ret_from_fork+0x31/0x70
[ 986.258968][ C0] ? __pfx_kthread+0x10/0x10
[ 986.259203][ C0] ret_from_fork_asm+0x1b/0x30
[ 986.259457][ C0]
[ 996.683341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 426408 jiffies s: 1289 root: 0x1/.
[ 996.683999][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 996.684405][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 996.684684][ C0] NMI backtrace for cpu 0
[ 996.684690][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 996.684693][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 996.684696][ C0] Workqueue: netns cleanup_net
[ 996.684703][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 996.684710][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 996.684712][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 996.684715][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 996.684716][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 996.684718][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 996.684720][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 996.684721][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 996.684723][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 996.684724][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 996.684727][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 996.684729][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 996.684730][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 996.684731][ C0] PKRU: 55555554
[ 996.684733][ C0] Call Trace:
[ 996.684737][ C0]
[ 996.684739][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 996.684745][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 996.684750][ C0] ? nmi_handle+0x153/0x420
[ 996.684756][ C0] ? default_do_nmi+0x41/0x100
[ 996.684761][ C0] ? exc_nmi+0xf3/0x120
[ 996.684763][ C0] ? end_repeat_nmi+0xf/0x60
[ 996.684768][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 996.684771][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 996.684775][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 996.684778][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 996.684781][ C0]
[ 996.684782][ C0]
[ 996.684783][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 996.684787][ C0] ? __pfx___schedule+0x10/0x10
[ 996.684793][ C0] do_raw_spin_lock+0x1ec/0x270
[ 996.684800][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 996.684804][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 996.684807][ C0] ? lock_acquire+0x1c1/0x220
[ 996.684809][ C0] ? __mutex_lock+0x33e/0xb10
[ 996.684813][ C0] ? __mutex_lock+0x811/0xb10
[ 996.684816][ C0] _raw_spin_lock+0x67/0x80
[ 996.684819][ C0] __mutex_lock+0x33e/0xb10
[ 996.684822][ C0] ? __lock_release+0x40f/0x880
[ 996.684824][ C0] ? __pfx___lock_release+0x10/0x10
[ 996.684827][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 996.684834][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 996.684837][ C0] ? __pfx___up_read+0x10/0x10
[ 996.684841][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 996.684844][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 996.684848][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 996.684854][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 996.684858][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 996.684862][ C0] __tcf_action_put+0x3d/0xf0
[ 996.684867][ C0] tcf_action_destroy+0x43/0x130
[ 996.684871][ C0] tcf_exts_destroy+0x3c/0xb0
[ 996.684875][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 996.684885][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 996.684894][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 996.684902][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 996.684911][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 996.684920][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 996.684927][ C0] ? __lock_release+0x40f/0x880
[ 996.684931][ C0] ? __mutex_lock+0x26e/0xb10
[ 996.684935][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 996.684944][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 996.684952][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 996.684957][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 996.684961][ C0] tcf_chain_flush+0x1e0/0x320
[ 996.684965][ C0] __tcf_block_put+0x113/0x270
[ 996.684970][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 996.684978][ C0] __qdisc_destroy+0xee/0x340
[ 996.684982][ C0] dev_shutdown+0x129/0x350
[ 996.684986][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 996.684990][ C0] ? rtnl_is_locked+0x15/0x20
[ 996.684994][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 996.684997][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 996.685000][ C0] ? mutex_is_locked+0x17/0x50
[ 996.685002][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 996.685008][ C0] cleanup_net+0x4cf/0xb60
[ 996.685011][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 996.685013][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 996.685016][ C0] ? lock_acquire+0x1c1/0x220
[ 996.685019][ C0] ? process_one_work+0x714/0x1310
[ 996.685023][ C0] process_one_work+0x78c/0x1310
[ 996.685028][ C0] ? hlock_class+0x4e/0x130
[ 996.685031][ C0] ? __pfx_process_one_work+0x10/0x10
[ 996.685036][ C0] ? assign_work+0x16c/0x240
[ 996.685039][ C0] worker_thread+0x73d/0x1010
[ 996.685042][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 996.685046][ C0] ? __pfx_worker_thread+0x10/0x10
[ 996.685049][ C0] ? __pfx_worker_thread+0x10/0x10
[ 996.685051][ C0] kthread+0x28f/0x360
[ 996.685054][ C0] ? __pfx_kthread+0x10/0x10
[ 996.685056][ C0] ret_from_fork+0x31/0x70
[ 996.685059][ C0] ? __pfx_kthread+0x10/0x10
[ 996.685061][ C0] ret_from_fork_asm+0x1b/0x30
[ 996.685069][ C0]
[ 1024.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 425s! [kworker/u8:1:71]
[ 1024.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1024.556978][ C0] irq event stamp: 164379
[ 1024.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1024.557680][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1024.558154][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1024.558627][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1024.559104][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1024.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1024.560202][ C0] Workqueue: netns cleanup_net
[ 1024.560456][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1024.560726][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1024.561710][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1024.562019][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1024.562424][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1024.562827][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1024.563229][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1024.563632][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1024.564036][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1024.564488][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1024.564824][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1024.565228][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1024.565630][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1024.566035][ C0] PKRU: 55555554
[ 1024.566218][ C0] Call Trace:
[ 1024.566392][ C0]
[ 1024.566544][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1024.566811][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1024.567057][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1024.567341][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1024.567617][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1024.567907][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1024.568178][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1024.568488][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1024.568752][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1024.569067][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1024.569368][ C0]
[ 1024.569519][ C0]
[ 1024.569672][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1024.569990][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1024.570290][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1024.570601][ C0] ? kasan_report+0xd2/0xf0
[ 1024.570835][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1024.571127][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1024.571446][ C0] ? __pfx___schedule+0x10/0x10
[ 1024.571698][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1024.571949][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1024.572225][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1024.572512][ C0] ? lock_acquire+0x1c1/0x220
[ 1024.572754][ C0] ? __mutex_lock+0x33e/0xb10
[ 1024.572997][ C0] ? __mutex_lock+0x811/0xb10
[ 1024.573237][ C0] _raw_spin_lock+0x67/0x80
[ 1024.573474][ C0] __mutex_lock+0x33e/0xb10
[ 1024.573708][ C0] ? __lock_release+0x40f/0x880
[ 1024.573957][ C0] ? __pfx___lock_release+0x10/0x10
[ 1024.574228][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1024.574528][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1024.574787][ C0] ? __pfx___up_read+0x10/0x10
[ 1024.575035][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1024.575305][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1024.575583][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1024.575879][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1024.576178][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1024.576468][ C0] __tcf_action_put+0x3d/0xf0
[ 1024.576713][ C0] tcf_action_destroy+0x43/0x130
[ 1024.576968][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1024.577210][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1024.577533][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1024.577811][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1024.578117][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1024.578417][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1024.578706][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1024.579021][ C0] ? __lock_release+0x40f/0x880
[ 1024.579271][ C0] ? __mutex_lock+0x26e/0xb10
[ 1024.579514][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1024.579800][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1024.580110][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1024.580418][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1024.580675][ C0] tcf_chain_flush+0x1e0/0x320
[ 1024.580922][ C0] __tcf_block_put+0x113/0x270
[ 1024.581170][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1024.581478][ C0] __qdisc_destroy+0xee/0x340
[ 1024.581722][ C0] dev_shutdown+0x129/0x350
[ 1024.581957][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1024.582286][ C0] ? rtnl_is_locked+0x15/0x20
[ 1024.582531][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1024.582848][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1024.583193][ C0] ? mutex_is_locked+0x17/0x50
[ 1024.583442][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1024.583746][ C0] cleanup_net+0x4cf/0xb60
[ 1024.583978][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1024.584263][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1024.584520][ C0] ? lock_acquire+0x1c1/0x220
[ 1024.584761][ C0] ? process_one_work+0x714/0x1310
[ 1024.585025][ C0] process_one_work+0x78c/0x1310
[ 1024.585282][ C0] ? hlock_class+0x4e/0x130
[ 1024.585519][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1024.585795][ C0] ? assign_work+0x16c/0x240
[ 1024.586033][ C0] worker_thread+0x73d/0x1010
[ 1024.586273][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1024.586612][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1024.586875][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1024.587137][ C0] kthread+0x28f/0x360
[ 1024.587349][ C0] ? __pfx_kthread+0x10/0x10
[ 1024.587587][ C0] ret_from_fork+0x31/0x70
[ 1024.587821][ C0] ? __pfx_kthread+0x10/0x10
[ 1024.588058][ C0] ret_from_fork_asm+0x1b/0x30
[ 1024.588311][ C0]
[ 1052.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 451s! [kworker/u8:1:71]
[ 1052.556274][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1052.556980][ C0] irq event stamp: 164379
[ 1052.557203][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1052.557686][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1052.558161][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1052.558638][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1052.559104][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1052.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1052.560204][ C0] Workqueue: netns cleanup_net
[ 1052.560460][ C0] RIP: 0010:kasan_check_range+0x34/0x1c0
[ 1052.560751][ C0] Code: 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 57 e8 ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 b8 ff ff ff
[ 1052.561752][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000213
[ 1052.562064][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1052.562467][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1052.562871][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1052.563275][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1052.563679][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1052.564082][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1052.564534][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1052.564869][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1052.565276][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1052.565682][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1052.566083][ C0] PKRU: 55555554
[ 1052.566266][ C0] Call Trace:
[ 1052.566442][ C0]
[ 1052.566591][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1052.566858][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1052.567105][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1052.567385][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1052.567663][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1052.567953][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1052.568221][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1052.568533][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1052.568798][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1052.569112][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1052.569410][ C0]
[ 1052.569563][ C0]
[ 1052.569715][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1052.570035][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1052.570328][ C0] ? kasan_check_range+0x34/0x1c0
[ 1052.570596][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1052.570881][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1052.571198][ C0] ? __pfx___schedule+0x10/0x10
[ 1052.571454][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1052.571708][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1052.571983][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1052.572269][ C0] ? lock_acquire+0x1c1/0x220
[ 1052.572514][ C0] ? __mutex_lock+0x33e/0xb10
[ 1052.572758][ C0] ? __mutex_lock+0x811/0xb10
[ 1052.572998][ C0] _raw_spin_lock+0x67/0x80
[ 1052.573232][ C0] __mutex_lock+0x33e/0xb10
[ 1052.573469][ C0] ? __lock_release+0x40f/0x880
[ 1052.573720][ C0] ? __pfx___lock_release+0x10/0x10
[ 1052.573986][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1052.574286][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1052.574546][ C0] ? __pfx___up_read+0x10/0x10
[ 1052.574794][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1052.575064][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1052.575340][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1052.575634][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1052.575933][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1052.576223][ C0] __tcf_action_put+0x3d/0xf0
[ 1052.576469][ C0] tcf_action_destroy+0x43/0x130
[ 1052.576724][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1052.576967][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1052.577289][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1052.577570][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1052.577872][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1052.578171][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1052.578463][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1052.578778][ C0] ? __lock_release+0x40f/0x880
[ 1052.579029][ C0] ? __mutex_lock+0x26e/0xb10
[ 1052.579272][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1052.579560][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1052.579872][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1052.580179][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1052.580437][ C0] tcf_chain_flush+0x1e0/0x320
[ 1052.580688][ C0] __tcf_block_put+0x113/0x270
[ 1052.580936][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1052.581243][ C0] __qdisc_destroy+0xee/0x340
[ 1052.581488][ C0] dev_shutdown+0x129/0x350
[ 1052.581724][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1052.582049][ C0] ? rtnl_is_locked+0x15/0x20
[ 1052.582294][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1052.582615][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1052.582960][ C0] ? mutex_is_locked+0x17/0x50
[ 1052.583208][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1052.583515][ C0] cleanup_net+0x4cf/0xb60
[ 1052.583745][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1052.584032][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1052.584286][ C0] ? lock_acquire+0x1c1/0x220
[ 1052.584530][ C0] ? process_one_work+0x714/0x1310
[ 1052.584794][ C0] process_one_work+0x78c/0x1310
[ 1052.585050][ C0] ? hlock_class+0x4e/0x130
[ 1052.585284][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1052.585562][ C0] ? assign_work+0x16c/0x240
[ 1052.585800][ C0] worker_thread+0x73d/0x1010
[ 1052.586039][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1052.586379][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1052.586643][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1052.586905][ C0] kthread+0x28f/0x360
[ 1052.587114][ C0] ? __pfx_kthread+0x10/0x10
[ 1052.587353][ C0] ret_from_fork+0x31/0x70
[ 1052.587581][ C0] ? __pfx_kthread+0x10/0x10
[ 1052.587818][ C0] ret_from_fork_asm+0x1b/0x30
[ 1052.588071][ C0]
[ 1064.263326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1064.263694][ C0] rcu: 0-....: (493521 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=110375
[ 1064.264254][ C0] rcu: (t=494219 jiffies g=477977 q=5763 ncpus=4)
[ 1064.264591][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1064.265069][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1064.265691][ C0] Workqueue: netns cleanup_net
[ 1064.265945][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1064.266279][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1064.267262][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1064.267578][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1064.267982][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1064.268385][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1064.268792][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1064.269196][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1064.269600][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1064.270052][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1064.270394][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1064.270800][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1064.271202][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1064.271606][ C0] PKRU: 55555554
[ 1064.271790][ C0] Call Trace:
[ 1064.271964][ C0]
[ 1064.272113][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1064.272391][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1064.272646][ C0] ? check_cpu_stall+0x284/0x500
[ 1064.272899][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1064.273191][ C0] ? rcu_pending+0x92/0x360
[ 1064.273425][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1064.273697][ C0] ? update_process_times+0xb9/0x110
[ 1064.273972][ C0] ? tick_sched_handle+0x67/0x130
[ 1064.274231][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1064.274521][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1064.274768][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1064.275084][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1064.275359][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1064.275649][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1064.275921][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1064.276229][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1064.276494][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1064.276809][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1064.277110][ C0]
[ 1064.277260][ C0]
[ 1064.277414][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1064.277733][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1064.278038][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1064.278339][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1064.278657][ C0] ? __pfx___schedule+0x10/0x10
[ 1064.278909][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1064.279163][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1064.279441][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1064.279728][ C0] ? lock_acquire+0x1c1/0x220
[ 1064.279970][ C0] ? __mutex_lock+0x33e/0xb10
[ 1064.280211][ C0] ? __mutex_lock+0x811/0xb10
[ 1064.280462][ C0] _raw_spin_lock+0x67/0x80
[ 1064.280696][ C0] __mutex_lock+0x33e/0xb10
[ 1064.280928][ C0] ? __lock_release+0x40f/0x880
[ 1064.281177][ C0] ? __pfx___lock_release+0x10/0x10
[ 1064.281444][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1064.281745][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1064.282003][ C0] ? __pfx___up_read+0x10/0x10
[ 1064.282250][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1064.282521][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1064.282794][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1064.283090][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1064.283387][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1064.283678][ C0] __tcf_action_put+0x3d/0xf0
[ 1064.283923][ C0] tcf_action_destroy+0x43/0x130
[ 1064.284178][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1064.284420][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1064.284742][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1064.285016][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1064.285320][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1064.285618][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1064.285909][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1064.286224][ C0] ? __lock_release+0x40f/0x880
[ 1064.286480][ C0] ? __mutex_lock+0x26e/0xb10
[ 1064.286721][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1064.287007][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1064.287316][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1064.287626][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1064.287877][ C0] tcf_chain_flush+0x1e0/0x320
[ 1064.288124][ C0] __tcf_block_put+0x113/0x270
[ 1064.288373][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1064.288678][ C0] __qdisc_destroy+0xee/0x340
[ 1064.288922][ C0] dev_shutdown+0x129/0x350
[ 1064.289157][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1064.289483][ C0] ? rtnl_is_locked+0x15/0x20
[ 1064.289725][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1064.290044][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1064.290394][ C0] ? mutex_is_locked+0x17/0x50
[ 1064.290638][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1064.290943][ C0] cleanup_net+0x4cf/0xb60
[ 1064.291173][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1064.291459][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1064.291714][ C0] ? lock_acquire+0x1c1/0x220
[ 1064.291955][ C0] ? process_one_work+0x714/0x1310
[ 1064.292219][ C0] process_one_work+0x78c/0x1310
[ 1064.292475][ C0] ? hlock_class+0x4e/0x130
[ 1064.292708][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1064.292985][ C0] ? assign_work+0x16c/0x240
[ 1064.293221][ C0] worker_thread+0x73d/0x1010
[ 1064.293465][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1064.293799][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1064.294060][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1064.294324][ C0] kthread+0x28f/0x360
[ 1064.294535][ C0] ? __pfx_kthread+0x10/0x10
[ 1064.294770][ C0] ret_from_fork+0x31/0x70
[ 1064.295002][ C0] ? __pfx_kthread+0x10/0x10
[ 1064.295239][ C0] ret_from_fork_asm+0x1b/0x30
[ 1064.295490][ C0]
[ 1088.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 484s! [kworker/u8:1:71]
[ 1088.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1088.556971][ C0] irq event stamp: 164379
[ 1088.557193][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1088.557670][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1088.558145][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1088.558620][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1088.559089][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1088.559568][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1088.560193][ C0] Workqueue: netns cleanup_net
[ 1088.560444][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1088.560713][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1088.561695][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1088.562005][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1088.562410][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1088.562812][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1088.563213][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1088.563618][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1088.564022][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1088.564476][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1088.564811][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1088.565216][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1088.565621][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1088.566030][ C0] PKRU: 55555554
[ 1088.566213][ C0] Call Trace:
[ 1088.566386][ C0]
[ 1088.566539][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1088.566805][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1088.567053][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1088.567333][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1088.567609][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1088.567900][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1088.568169][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1088.568479][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1088.568744][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1088.569053][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1088.569353][ C0]
[ 1088.569504][ C0]
[ 1088.569658][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1088.569977][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1088.570279][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1088.570579][ C0] ? kasan_report+0xd2/0xf0
[ 1088.570812][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1088.571103][ C0] ? kasan_report+0xda/0xf0
[ 1088.571340][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1088.571627][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1088.571942][ C0] ? __pfx___schedule+0x10/0x10
[ 1088.572195][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1088.572450][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1088.572723][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1088.573010][ C0] ? lock_acquire+0x1c1/0x220
[ 1088.573252][ C0] ? __mutex_lock+0x33e/0xb10
[ 1088.573498][ C0] ? __mutex_lock+0x811/0xb10
[ 1088.573739][ C0] _raw_spin_lock+0x67/0x80
[ 1088.573974][ C0] __mutex_lock+0x33e/0xb10
[ 1088.574208][ C0] ? __lock_release+0x40f/0x880
[ 1088.574460][ C0] ? __pfx___lock_release+0x10/0x10
[ 1088.574730][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1088.575031][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1088.575289][ C0] ? __pfx___up_read+0x10/0x10
[ 1088.575538][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1088.575810][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1088.576083][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1088.576377][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1088.576676][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1088.576962][ C0] __tcf_action_put+0x3d/0xf0
[ 1088.577207][ C0] tcf_action_destroy+0x43/0x130
[ 1088.577464][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1088.577707][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1088.578028][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1088.578305][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1088.578608][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1088.578907][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1088.579195][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1088.579512][ C0] ? __lock_release+0x40f/0x880
[ 1088.579765][ C0] ? __mutex_lock+0x26e/0xb10
[ 1088.580008][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1088.580297][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1088.580610][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1088.580917][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1088.581167][ C0] tcf_chain_flush+0x1e0/0x320
[ 1088.581415][ C0] __tcf_block_put+0x113/0x270
[ 1088.581662][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1088.581970][ C0] __qdisc_destroy+0xee/0x340
[ 1088.582212][ C0] dev_shutdown+0x129/0x350
[ 1088.582448][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1088.582773][ C0] ? rtnl_is_locked+0x15/0x20
[ 1088.583017][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1088.583335][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1088.583679][ C0] ? mutex_is_locked+0x17/0x50
[ 1088.583925][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1088.584235][ C0] cleanup_net+0x4cf/0xb60
[ 1088.584465][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1088.584753][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1088.585006][ C0] ? lock_acquire+0x1c1/0x220
[ 1088.585245][ C0] ? process_one_work+0x714/0x1310
[ 1088.585510][ C0] process_one_work+0x78c/0x1310
[ 1088.585766][ C0] ? hlock_class+0x4e/0x130
[ 1088.586001][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1088.586276][ C0] ? assign_work+0x16c/0x240
[ 1088.586516][ C0] worker_thread+0x73d/0x1010
[ 1088.586757][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1088.587094][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1088.587357][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1088.587619][ C0] kthread+0x28f/0x360
[ 1088.587827][ C0] ? __pfx_kthread+0x10/0x10
[ 1088.588064][ C0] ret_from_fork+0x31/0x70
[ 1088.588292][ C0] ? __pfx_kthread+0x10/0x10
[ 1088.588531][ C0] ret_from_fork_asm+0x1b/0x30
[ 1088.588784][ C0]
[ 1094.987338][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 524712 jiffies s: 1289 root: 0x1/.
[ 1094.987985][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1094.988365][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1094.988646][ C0] NMI backtrace for cpu 0
[ 1094.988651][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1094.988654][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1094.988657][ C0] Workqueue: netns cleanup_net
[ 1094.988663][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1094.988671][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1094.988673][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1094.988675][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1094.988677][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1094.988678][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1094.988680][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1094.988682][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1094.988683][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1094.988685][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1094.988687][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1094.988689][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1094.988690][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1094.988691][ C0] PKRU: 55555554
[ 1094.988692][ C0] Call Trace:
[ 1094.988695][ C0]
[ 1094.988698][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1094.988704][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1094.988709][ C0] ? nmi_handle+0x153/0x420
[ 1094.988715][ C0] ? default_do_nmi+0x41/0x100
[ 1094.988719][ C0] ? exc_nmi+0xf3/0x120
[ 1094.988722][ C0] ? end_repeat_nmi+0xf/0x60
[ 1094.988726][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1094.988730][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1094.988733][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1094.988736][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1094.988739][ C0]
[ 1094.988740][ C0]
[ 1094.988741][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1094.988745][ C0] ? __pfx___schedule+0x10/0x10
[ 1094.988750][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1094.988757][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1094.988759][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1094.988762][ C0] ? lock_acquire+0x1c1/0x220
[ 1094.988765][ C0] ? __mutex_lock+0x33e/0xb10
[ 1094.988768][ C0] ? __mutex_lock+0x811/0xb10
[ 1094.988771][ C0] _raw_spin_lock+0x67/0x80
[ 1094.988775][ C0] __mutex_lock+0x33e/0xb10
[ 1094.988778][ C0] ? __lock_release+0x40f/0x880
[ 1094.988781][ C0] ? __pfx___lock_release+0x10/0x10
[ 1094.988783][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1094.988789][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1094.988792][ C0] ? __pfx___up_read+0x10/0x10
[ 1094.988795][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1094.988798][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1094.988803][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1094.988809][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1094.988812][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1094.988816][ C0] __tcf_action_put+0x3d/0xf0
[ 1094.988820][ C0] tcf_action_destroy+0x43/0x130
[ 1094.988824][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1094.988827][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1094.988838][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1094.988846][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1094.988855][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1094.988863][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1094.988872][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1094.988880][ C0] ? __lock_release+0x40f/0x880
[ 1094.988883][ C0] ? __mutex_lock+0x26e/0xb10
[ 1094.988887][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1094.988897][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1094.988904][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1094.988909][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1094.988913][ C0] tcf_chain_flush+0x1e0/0x320
[ 1094.988917][ C0] __tcf_block_put+0x113/0x270
[ 1094.988921][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1094.988929][ C0] __qdisc_destroy+0xee/0x340
[ 1094.988933][ C0] dev_shutdown+0x129/0x350
[ 1094.988936][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1094.988941][ C0] ? rtnl_is_locked+0x15/0x20
[ 1094.988944][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1094.988947][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1094.988950][ C0] ? mutex_is_locked+0x17/0x50
[ 1094.988952][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1094.988958][ C0] cleanup_net+0x4cf/0xb60
[ 1094.988960][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1094.988963][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1094.988966][ C0] ? lock_acquire+0x1c1/0x220
[ 1094.988968][ C0] ? process_one_work+0x714/0x1310
[ 1094.988972][ C0] process_one_work+0x78c/0x1310
[ 1094.988976][ C0] ? hlock_class+0x4e/0x130
[ 1094.988980][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1094.988984][ C0] ? assign_work+0x16c/0x240
[ 1094.988988][ C0] worker_thread+0x73d/0x1010
[ 1094.988991][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1094.988995][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1094.988998][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1094.989000][ C0] kthread+0x28f/0x360
[ 1094.989003][ C0] ? __pfx_kthread+0x10/0x10
[ 1094.989005][ C0] ret_from_fork+0x31/0x70
[ 1094.989007][ C0] ? __pfx_kthread+0x10/0x10
[ 1094.989009][ C0] ret_from_fork_asm+0x1b/0x30
[ 1094.989017][ C0]
[ 1107.275342][ T41] INFO: task kworker/u8:0:11 blocked for more than 368 seconds.
[ 1107.275782][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 1107.276144][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.276605][ T41] task:kworker/u8:0 state:D stack:29104 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 1107.277143][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1107.277485][ T41] Call Trace:
[ 1107.277663][ T41]
[ 1107.277821][ T41] __schedule+0x705/0x1ac0
[ 1107.278064][ T41] ? __pfx___schedule+0x10/0x10
[ 1107.278333][ T41] ? __mutex_trylock_common+0x79/0x260
[ 1107.278621][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 1107.278897][ T41] ? lock_acquire+0x1c1/0x220
[ 1107.279145][ T41] ? schedule+0x163/0x280
[ 1107.279386][ T41] schedule+0xeb/0x280
[ 1107.279603][ T41] schedule_preempt_disabled+0x15/0x30
[ 1107.279889][ T41] __mutex_lock+0x5e4/0xb10
[ 1107.280138][ T41] ? addrconf_verify_work+0x12/0x30
[ 1107.280421][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 1107.280690][ T41] ? addrconf_verify_work+0x12/0x30
[ 1107.280961][ T41] addrconf_verify_work+0x12/0x30
[ 1107.281226][ T41] process_one_work+0x78c/0x1310
[ 1107.281498][ T41] ? __pfx_process_one_work+0x10/0x10
[ 1107.281781][ T41] ? assign_work+0x16c/0x240
[ 1107.282025][ T41] ? lock_release+0x1d5/0x250
[ 1107.282273][ T41] worker_thread+0x73d/0x1010
[ 1107.282531][ T41] ? __pfx_worker_thread+0x10/0x10
[ 1107.282801][ T41] kthread+0x28f/0x360
[ 1107.283016][ T41] ? __pfx_kthread+0x10/0x10
[ 1107.283260][ T41] ret_from_fork+0x31/0x70
[ 1107.283506][ T41] ? __pfx_kthread+0x10/0x10
[ 1107.283750][ T41] ret_from_fork_asm+0x1b/0x30
[ 1107.284009][ T41]
[ 1107.284185][ T41] INFO: task kworker/2:2:671 blocked for more than 491 seconds.
[ 1107.284591][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 1107.284956][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.285412][ T41] task:kworker/2:2 state:D stack:27896 pid:671 tgid:671 ppid:2 flags:0x00004000
[ 1107.285947][ T41] Workqueue: events linkwatch_event
[ 1107.286224][ T41] Call Trace:
[ 1107.286407][ T41]
[ 1107.286564][ T41] __schedule+0x705/0x1ac0
[ 1107.286801][ T41] ? __pfx___schedule+0x10/0x10
[ 1107.287057][ T41] ? __pfx___lock_release+0x10/0x10
[ 1107.287341][ T41] ? hlock_class+0x4e/0x130
[ 1107.287584][ T41] ? mark_held_locks+0xa5/0xf0
[ 1107.287835][ T41] ? schedule+0x1fe/0x280
[ 1107.288066][ T41] schedule+0xeb/0x280
[ 1107.288281][ T41] schedule_preempt_disabled+0x15/0x30
[ 1107.288576][ T41] __mutex_lock+0x5e4/0xb10
[ 1107.288817][ T41] ? lock_acquire.part.0+0xe5/0x330
[ 1107.289089][ T41] ? process_one_work+0x714/0x1310
[ 1107.289364][ T41] ? linkwatch_event+0xe/0x60
[ 1107.289613][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 1107.289877][ T41] ? __pfx___lock_release+0x10/0x10
[ 1107.290157][ T41] ? lock_acquire+0x1c1/0x220
[ 1107.290414][ T41] ? linkwatch_event+0xe/0x60
[ 1107.290661][ T41] linkwatch_event+0xe/0x60
[ 1107.290900][ T41] process_one_work+0x78c/0x1310
[ 1107.291162][ T41] ? hlock_class+0x4e/0x130
[ 1107.291412][ T41] ? __pfx_process_one_work+0x10/0x10
[ 1107.291696][ T41] ? assign_work+0x16c/0x240
[ 1107.291941][ T41] worker_thread+0x73d/0x1010
[ 1107.292188][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1107.292541][ T41] ? __pfx_worker_thread+0x10/0x10
[ 1107.292809][ T41] ? __pfx_worker_thread+0x10/0x10
[ 1107.293077][ T41] kthread+0x28f/0x360
[ 1107.293293][ T41] ? __pfx_kthread+0x10/0x10
[ 1107.293543][ T41] ret_from_fork+0x31/0x70
[ 1107.293779][ T41] ? __pfx_kthread+0x10/0x10
[ 1107.294022][ T41] ret_from_fork_asm+0x1b/0x30
[ 1107.294276][ T41]
[ 1107.294446][ T41] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 1107.294916][ T41] INFO: lockdep is turned off.
[ 1120.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 514s! [kworker/u8:1:71]
[ 1120.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1120.556978][ C0] irq event stamp: 164379
[ 1120.557200][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1120.557681][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1120.558158][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1120.558633][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1120.559108][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1120.559590][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1120.560214][ C0] Workqueue: netns cleanup_net
[ 1120.560465][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1120.560796][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1120.561779][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1120.562087][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1120.562496][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1120.562897][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1120.563300][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1120.563703][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1120.564109][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1120.564563][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1120.564904][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1120.565309][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1120.565713][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1120.566117][ C0] PKRU: 55555554
[ 1120.566301][ C0] Call Trace:
[ 1120.566475][ C0]
[ 1120.566627][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1120.566895][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1120.567141][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1120.567425][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1120.567700][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1120.567992][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1120.568262][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1120.568572][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1120.568839][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1120.569152][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1120.569453][ C0]
[ 1120.569604][ C0]
[ 1120.569758][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1120.570082][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1120.570383][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1120.570683][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1120.570999][ C0] ? __pfx___schedule+0x10/0x10
[ 1120.571250][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1120.571505][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1120.571783][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1120.572071][ C0] ? lock_acquire+0x1c1/0x220
[ 1120.572313][ C0] ? __mutex_lock+0x33e/0xb10
[ 1120.572557][ C0] ? __mutex_lock+0x811/0xb10
[ 1120.572796][ C0] _raw_spin_lock+0x67/0x80
[ 1120.573031][ C0] __mutex_lock+0x33e/0xb10
[ 1120.573271][ C0] ? __lock_release+0x40f/0x880
[ 1120.573522][ C0] ? __pfx___lock_release+0x10/0x10
[ 1120.573789][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1120.574090][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1120.574349][ C0] ? __pfx___up_read+0x10/0x10
[ 1120.574598][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1120.574869][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1120.575144][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1120.575442][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1120.575741][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1120.576031][ C0] __tcf_action_put+0x3d/0xf0
[ 1120.576276][ C0] tcf_action_destroy+0x43/0x130
[ 1120.576532][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1120.576773][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1120.577097][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1120.577375][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1120.577684][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1120.577982][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1120.578272][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1120.578591][ C0] ? __lock_release+0x40f/0x880
[ 1120.578842][ C0] ? __mutex_lock+0x26e/0xb10
[ 1120.579083][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1120.579373][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1120.579683][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1120.579991][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1120.580247][ C0] tcf_chain_flush+0x1e0/0x320
[ 1120.580496][ C0] __tcf_block_put+0x113/0x270
[ 1120.580745][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1120.581050][ C0] __qdisc_destroy+0xee/0x340
[ 1120.581295][ C0] dev_shutdown+0x129/0x350
[ 1120.581533][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1120.581858][ C0] ? rtnl_is_locked+0x15/0x20
[ 1120.582100][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1120.582421][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1120.582767][ C0] ? mutex_is_locked+0x17/0x50
[ 1120.583013][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1120.583317][ C0] cleanup_net+0x4cf/0xb60
[ 1120.583550][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1120.583837][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1120.584095][ C0] ? lock_acquire+0x1c1/0x220
[ 1120.584338][ C0] ? process_one_work+0x714/0x1310
[ 1120.584605][ C0] process_one_work+0x78c/0x1310
[ 1120.584863][ C0] ? hlock_class+0x4e/0x130
[ 1120.585099][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1120.585377][ C0] ? assign_work+0x16c/0x240
[ 1120.585616][ C0] worker_thread+0x73d/0x1010
[ 1120.585857][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1120.586196][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1120.586462][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1120.586725][ C0] kthread+0x28f/0x360
[ 1120.586937][ C0] ? __pfx_kthread+0x10/0x10
[ 1120.587174][ C0] ret_from_fork+0x31/0x70
[ 1120.587405][ C0] ? __pfx_kthread+0x10/0x10
[ 1120.587643][ C0] ret_from_fork_asm+0x1b/0x30
[ 1120.587896][ C0]
[ 1142.299325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1142.299696][ C0] rcu: 0-....: (571437 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=127011
[ 1142.300256][ C0] rcu: (t=572255 jiffies g=477977 q=5773 ncpus=4)
[ 1142.300594][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1142.301073][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1142.301696][ C0] Workqueue: netns cleanup_net
[ 1142.301948][ C0] RIP: 0010:kasan_report+0xda/0xf0
[ 1142.302214][ C0] Code: 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d 48 83 c4 70 44 89 e0 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 45 31 e4 eb e1 0f 1f 00
[ 1142.303204][ C0] RSP: 0018:ffffc9000051f3b0 EFLAGS: 00000282
[ 1142.303518][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1142.303923][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1142.304332][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1142.304741][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1142.305142][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1142.305548][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1142.306002][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1142.306339][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1142.306745][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1142.307150][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1142.307555][ C0] PKRU: 55555554
[ 1142.307737][ C0] Call Trace:
[ 1142.307911][ C0]
[ 1142.308062][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1142.308343][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1142.308599][ C0] ? check_cpu_stall+0x284/0x500
[ 1142.308852][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1142.309144][ C0] ? rcu_pending+0x92/0x360
[ 1142.309381][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1142.309654][ C0] ? update_process_times+0xb9/0x110
[ 1142.309932][ C0] ? tick_sched_handle+0x67/0x130
[ 1142.310193][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1142.310482][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1142.310726][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1142.311042][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1142.311317][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1142.311611][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1142.311880][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1142.312189][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1142.312459][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1142.312772][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1142.313072][ C0]
[ 1142.313226][ C0]
[ 1142.313378][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1142.313698][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1142.313999][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1142.314297][ C0] ? kasan_report+0xda/0xf0
[ 1142.314534][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1142.314821][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1142.315137][ C0] ? __pfx___schedule+0x10/0x10
[ 1142.315395][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1142.315654][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1142.315929][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1142.316217][ C0] ? lock_acquire+0x1c1/0x220
[ 1142.316459][ C0] ? __mutex_lock+0x33e/0xb10
[ 1142.316703][ C0] ? __mutex_lock+0x811/0xb10
[ 1142.316944][ C0] _raw_spin_lock+0x67/0x80
[ 1142.317176][ C0] __mutex_lock+0x33e/0xb10
[ 1142.317412][ C0] ? __lock_release+0x40f/0x880
[ 1142.317662][ C0] ? __pfx___lock_release+0x10/0x10
[ 1142.317927][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1142.318227][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1142.318486][ C0] ? __pfx___up_read+0x10/0x10
[ 1142.318733][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1142.319004][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1142.319276][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1142.319571][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1142.319870][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1142.320165][ C0] __tcf_action_put+0x3d/0xf0
[ 1142.320413][ C0] tcf_action_destroy+0x43/0x130
[ 1142.320668][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1142.320910][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1142.321234][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1142.321511][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1142.321813][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1142.322111][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1142.322399][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1142.322715][ C0] ? __lock_release+0x40f/0x880
[ 1142.322964][ C0] ? __mutex_lock+0x26e/0xb10
[ 1142.323207][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1142.323492][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1142.323804][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1142.324113][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1142.324364][ C0] tcf_chain_flush+0x1e0/0x320
[ 1142.324609][ C0] __tcf_block_put+0x113/0x270
[ 1142.324858][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1142.325165][ C0] __qdisc_destroy+0xee/0x340
[ 1142.325408][ C0] dev_shutdown+0x129/0x350
[ 1142.325641][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1142.325965][ C0] ? rtnl_is_locked+0x15/0x20
[ 1142.326211][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1142.326536][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1142.326879][ C0] ? mutex_is_locked+0x17/0x50
[ 1142.327124][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1142.327431][ C0] cleanup_net+0x4cf/0xb60
[ 1142.327658][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1142.327946][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1142.328200][ C0] ? lock_acquire+0x1c1/0x220
[ 1142.328439][ C0] ? process_one_work+0x714/0x1310
[ 1142.328706][ C0] process_one_work+0x78c/0x1310
[ 1142.328961][ C0] ? hlock_class+0x4e/0x130
[ 1142.329196][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1142.329472][ C0] ? assign_work+0x16c/0x240
[ 1142.329710][ C0] worker_thread+0x73d/0x1010
[ 1142.329961][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1142.330297][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1142.330561][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1142.330822][ C0] kthread+0x28f/0x360
[ 1142.331031][ C0] ? __pfx_kthread+0x10/0x10
[ 1142.331268][ C0] ret_from_fork+0x31/0x70
[ 1142.331499][ C0] ? __pfx_kthread+0x10/0x10
[ 1142.331734][ C0] ret_from_fork_asm+0x1b/0x30
[ 1142.331987][ C0]
[ 1168.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 559s! [kworker/u8:1:71]
[ 1168.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1168.556973][ C0] irq event stamp: 164379
[ 1168.557196][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1168.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1168.558148][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1168.558625][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1168.559093][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1168.559572][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1168.560199][ C0] Workqueue: netns cleanup_net
[ 1168.560450][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1168.560717][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1168.561708][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1168.562017][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1168.562423][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1168.562826][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1168.563228][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1168.563634][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1168.564038][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1168.564496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1168.564831][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1168.565236][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1168.565642][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1168.566044][ C0] PKRU: 55555554
[ 1168.566228][ C0] Call Trace:
[ 1168.566402][ C0]
[ 1168.566555][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1168.566823][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1168.567071][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1168.567352][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1168.567628][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1168.567921][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1168.568191][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1168.568503][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1168.568768][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1168.569080][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1168.569383][ C0]
[ 1168.569534][ C0]
[ 1168.569689][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1168.570013][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1168.570306][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1168.570603][ C0] ? kasan_report+0xd2/0xf0
[ 1168.570839][ C0] kasan_check_range+0x39/0x1c0
[ 1168.571093][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1168.571380][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1168.571697][ C0] ? __pfx___schedule+0x10/0x10
[ 1168.571950][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1168.572205][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1168.572481][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1168.572772][ C0] ? lock_acquire+0x1c1/0x220
[ 1168.573013][ C0] ? __mutex_lock+0x33e/0xb10
[ 1168.573255][ C0] ? __mutex_lock+0x811/0xb10
[ 1168.573498][ C0] _raw_spin_lock+0x67/0x80
[ 1168.573732][ C0] __mutex_lock+0x33e/0xb10
[ 1168.573967][ C0] ? __lock_release+0x40f/0x880
[ 1168.574217][ C0] ? __pfx___lock_release+0x10/0x10
[ 1168.574484][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1168.574786][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1168.575045][ C0] ? __pfx___up_read+0x10/0x10
[ 1168.575292][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1168.575565][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1168.575838][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1168.576133][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1168.576431][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1168.576723][ C0] __tcf_action_put+0x3d/0xf0
[ 1168.576965][ C0] tcf_action_destroy+0x43/0x130
[ 1168.577219][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1168.577466][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1168.577789][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1168.578064][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1168.578370][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1168.578667][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1168.578957][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1168.579272][ C0] ? __lock_release+0x40f/0x880
[ 1168.579522][ C0] ? __mutex_lock+0x26e/0xb10
[ 1168.579766][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1168.580058][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1168.580371][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1168.580680][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1168.580931][ C0] tcf_chain_flush+0x1e0/0x320
[ 1168.581178][ C0] __tcf_block_put+0x113/0x270
[ 1168.581427][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1168.581735][ C0] __qdisc_destroy+0xee/0x340
[ 1168.581979][ C0] dev_shutdown+0x129/0x350
[ 1168.582213][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1168.582540][ C0] ? rtnl_is_locked+0x15/0x20
[ 1168.582783][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1168.583102][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1168.583447][ C0] ? mutex_is_locked+0x17/0x50
[ 1168.583692][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1168.583999][ C0] cleanup_net+0x4cf/0xb60
[ 1168.584230][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1168.584518][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1168.584773][ C0] ? lock_acquire+0x1c1/0x220
[ 1168.585015][ C0] ? process_one_work+0x714/0x1310
[ 1168.585280][ C0] process_one_work+0x78c/0x1310
[ 1168.585536][ C0] ? hlock_class+0x4e/0x130
[ 1168.585768][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1168.586046][ C0] ? assign_work+0x16c/0x240
[ 1168.586282][ C0] worker_thread+0x73d/0x1010
[ 1168.586526][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1168.586861][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1168.587123][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1168.587386][ C0] kthread+0x28f/0x360
[ 1168.587598][ C0] ? __pfx_kthread+0x10/0x10
[ 1168.587833][ C0] ret_from_fork+0x31/0x70
[ 1168.588064][ C0] ? __pfx_kthread+0x10/0x10
[ 1168.588300][ C0] ret_from_fork_asm+0x1b/0x30
[ 1168.588555][ C0]
[ 1193.291344][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 623016 jiffies s: 1289 root: 0x1/.
[ 1193.291994][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1193.292371][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1193.292654][ C0] NMI backtrace for cpu 0
[ 1193.292659][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1193.292664][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1193.292667][ C0] Workqueue: netns cleanup_net
[ 1193.292676][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1193.292683][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1193.292685][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1193.292687][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1193.292689][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1193.292690][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1193.292692][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1193.292693][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1193.292695][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1193.292696][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1193.292700][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1193.292701][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1193.292702][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1193.292703][ C0] PKRU: 55555554
[ 1193.292704][ C0] Call Trace:
[ 1193.292707][ C0]
[ 1193.292710][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1193.292717][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1193.292722][ C0] ? nmi_handle+0x153/0x420
[ 1193.292727][ C0] ? default_do_nmi+0x41/0x100
[ 1193.292732][ C0] ? exc_nmi+0xf3/0x120
[ 1193.292735][ C0] ? end_repeat_nmi+0xf/0x60
[ 1193.292738][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1193.292744][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1193.292747][ C0] ? kasan_report+0xd2/0xf0
[ 1193.292750][ C0] ? kasan_report+0xd2/0xf0
[ 1193.292753][ C0] ? kasan_report+0xd2/0xf0
[ 1193.292756][ C0]
[ 1193.292757][ C0]
[ 1193.292760][ C0] kasan_check_range+0x39/0x1c0
[ 1193.292766][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1193.292770][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1193.292774][ C0] ? __pfx___schedule+0x10/0x10
[ 1193.292780][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1193.292786][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1193.292789][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1193.292792][ C0] ? lock_acquire+0x1c1/0x220
[ 1193.292795][ C0] ? __mutex_lock+0x33e/0xb10
[ 1193.292799][ C0] ? __mutex_lock+0x811/0xb10
[ 1193.292802][ C0] _raw_spin_lock+0x67/0x80
[ 1193.292805][ C0] __mutex_lock+0x33e/0xb10
[ 1193.292808][ C0] ? __lock_release+0x40f/0x880
[ 1193.292811][ C0] ? __pfx___lock_release+0x10/0x10
[ 1193.292814][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1193.292820][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1193.292823][ C0] ? __pfx___up_read+0x10/0x10
[ 1193.292827][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1193.292830][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1193.292835][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1193.292841][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1193.292844][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1193.292849][ C0] __tcf_action_put+0x3d/0xf0
[ 1193.292855][ C0] tcf_action_destroy+0x43/0x130
[ 1193.292859][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1193.292862][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1193.292873][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1193.292882][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1193.292890][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1193.292899][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1193.292908][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1193.292916][ C0] ? __lock_release+0x40f/0x880
[ 1193.292919][ C0] ? __mutex_lock+0x26e/0xb10
[ 1193.292923][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1193.292933][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1193.292941][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1193.292945][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1193.292949][ C0] tcf_chain_flush+0x1e0/0x320
[ 1193.292953][ C0] __tcf_block_put+0x113/0x270
[ 1193.292958][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1193.292965][ C0] __qdisc_destroy+0xee/0x340
[ 1193.292969][ C0] dev_shutdown+0x129/0x350
[ 1193.292973][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1193.292978][ C0] ? rtnl_is_locked+0x15/0x20
[ 1193.292982][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1193.292984][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1193.292987][ C0] ? mutex_is_locked+0x17/0x50
[ 1193.292990][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1193.292996][ C0] cleanup_net+0x4cf/0xb60
[ 1193.292999][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1193.293002][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1193.293005][ C0] ? lock_acquire+0x1c1/0x220
[ 1193.293007][ C0] ? process_one_work+0x714/0x1310
[ 1193.293012][ C0] process_one_work+0x78c/0x1310
[ 1193.293016][ C0] ? hlock_class+0x4e/0x130
[ 1193.293020][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1193.293024][ C0] ? assign_work+0x16c/0x240
[ 1193.293028][ C0] worker_thread+0x73d/0x1010
[ 1193.293031][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1193.293034][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1193.293037][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1193.293040][ C0] kthread+0x28f/0x360
[ 1193.293043][ C0] ? __pfx_kthread+0x10/0x10
[ 1193.293046][ C0] ret_from_fork+0x31/0x70
[ 1193.293049][ C0] ? __pfx_kthread+0x10/0x10
[ 1193.293051][ C0] ret_from_fork_asm+0x1b/0x30
[ 1193.293061][ C0]
[ 1220.335325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1220.335694][ C0] rcu: 0-....: (649383 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=143460
[ 1220.336253][ C0] rcu: (t=650291 jiffies g=477977 q=5779 ncpus=4)
[ 1220.336589][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1220.337067][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1220.337692][ C0] Workqueue: netns cleanup_net
[ 1220.337944][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1220.338212][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1220.339196][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1220.339507][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1220.339925][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1220.340332][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1220.340733][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1220.341135][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1220.341540][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1220.341991][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1220.342326][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1220.342731][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1220.343135][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1220.343539][ C0] PKRU: 55555554
[ 1220.343723][ C0] Call Trace:
[ 1220.343895][ C0]
[ 1220.344050][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1220.344329][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1220.344585][ C0] ? check_cpu_stall+0x284/0x500
[ 1220.344839][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1220.345128][ C0] ? rcu_pending+0x92/0x360
[ 1220.345362][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1220.345636][ C0] ? update_process_times+0xb9/0x110
[ 1220.345909][ C0] ? tick_sched_handle+0x67/0x130
[ 1220.346167][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1220.346458][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1220.346701][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1220.347016][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1220.347291][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1220.347583][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1220.347851][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1220.348160][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1220.348425][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1220.348739][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1220.349036][ C0]
[ 1220.349189][ C0]
[ 1220.349341][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1220.349666][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1220.349961][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1220.350253][ C0] ? kasan_report+0xd2/0xf0
[ 1220.350490][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1220.350781][ C0] kasan_check_range+0x39/0x1c0
[ 1220.351033][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1220.351315][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1220.351631][ C0] ? __pfx___schedule+0x10/0x10
[ 1220.351884][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1220.352137][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1220.352410][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1220.352699][ C0] ? lock_acquire+0x1c1/0x220
[ 1220.352938][ C0] ? __mutex_lock+0x33e/0xb10
[ 1220.353180][ C0] ? __mutex_lock+0x811/0xb10
[ 1220.353423][ C0] _raw_spin_lock+0x67/0x80
[ 1220.353656][ C0] __mutex_lock+0x33e/0xb10
[ 1220.353888][ C0] ? __lock_release+0x40f/0x880
[ 1220.354136][ C0] ? __pfx___lock_release+0x10/0x10
[ 1220.354402][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1220.354701][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1220.354959][ C0] ? __pfx___up_read+0x10/0x10
[ 1220.355206][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1220.355476][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1220.355748][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1220.356042][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1220.356341][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1220.356630][ C0] __tcf_action_put+0x3d/0xf0
[ 1220.356872][ C0] tcf_action_destroy+0x43/0x130
[ 1220.357126][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1220.357370][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1220.357692][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1220.357968][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1220.358272][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1220.358569][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1220.358859][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1220.359171][ C0] ? __lock_release+0x40f/0x880
[ 1220.359422][ C0] ? __mutex_lock+0x26e/0xb10
[ 1220.359671][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1220.359954][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1220.360266][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1220.360573][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1220.360824][ C0] tcf_chain_flush+0x1e0/0x320
[ 1220.361069][ C0] __tcf_block_put+0x113/0x270
[ 1220.361316][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1220.361623][ C0] __qdisc_destroy+0xee/0x340
[ 1220.361869][ C0] dev_shutdown+0x129/0x350
[ 1220.362101][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1220.362426][ C0] ? rtnl_is_locked+0x15/0x20
[ 1220.362670][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1220.362987][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1220.363329][ C0] ? mutex_is_locked+0x17/0x50
[ 1220.363574][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1220.363880][ C0] cleanup_net+0x4cf/0xb60
[ 1220.364108][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1220.364396][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1220.364650][ C0] ? lock_acquire+0x1c1/0x220
[ 1220.364891][ C0] ? process_one_work+0x714/0x1310
[ 1220.365155][ C0] process_one_work+0x78c/0x1310
[ 1220.365416][ C0] ? hlock_class+0x4e/0x130
[ 1220.365648][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1220.365924][ C0] ? assign_work+0x16c/0x240
[ 1220.366160][ C0] worker_thread+0x73d/0x1010
[ 1220.366404][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1220.366739][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1220.367000][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1220.367260][ C0] kthread+0x28f/0x360
[ 1220.367472][ C0] ? __pfx_kthread+0x10/0x10
[ 1220.367708][ C0] ret_from_fork+0x31/0x70
[ 1220.367938][ C0] ? __pfx_kthread+0x10/0x10
[ 1220.368172][ C0] ret_from_fork_asm+0x1b/0x30
[ 1220.368426][ C0]
[ 1244.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 630s! [kworker/u8:1:71]
[ 1244.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1244.556973][ C0] irq event stamp: 164379
[ 1244.557194][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1244.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1244.558154][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1244.558630][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1244.559100][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1244.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1244.560207][ C0] Workqueue: netns cleanup_net
[ 1244.560461][ C0] RIP: 0010:kasan_report+0xe1/0xf0
[ 1244.560727][ C0] Code: 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d 48 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e <41> 5f c3 cc cc cc cc 45 31 e4 eb e1 0f 1f 00 90 90 90 90 90 90 90
[ 1244.561709][ C0] RSP: 0018:ffffc9000051f3b0 EFLAGS: 00000286
[ 1244.562020][ C0] RAX: 0000000000000000 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1244.562429][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1244.562830][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1244.563235][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1244.563641][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1244.564043][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1244.564496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1244.564833][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1244.565238][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1244.565644][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1244.566047][ C0] PKRU: 55555554
[ 1244.566231][ C0] Call Trace:
[ 1244.566407][ C0]
[ 1244.566558][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1244.566826][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1244.567074][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1244.567356][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1244.567631][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1244.567924][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1244.568198][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1244.568511][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1244.568776][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1244.569091][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1244.569390][ C0]
[ 1244.569550][ C0]
[ 1244.569702][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1244.570021][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1244.570312][ C0] ? kasan_report+0xe1/0xf0
[ 1244.570549][ C0] kasan_check_range+0x39/0x1c0
[ 1244.570802][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1244.571086][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1244.571404][ C0] ? __pfx___schedule+0x10/0x10
[ 1244.571658][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1244.571912][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1244.572187][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1244.572475][ C0] ? lock_acquire+0x1c1/0x220
[ 1244.572715][ C0] ? __mutex_lock+0x33e/0xb10
[ 1244.572959][ C0] ? __mutex_lock+0x811/0xb10
[ 1244.573201][ C0] _raw_spin_lock+0x67/0x80
[ 1244.573440][ C0] __mutex_lock+0x33e/0xb10
[ 1244.573674][ C0] ? __lock_release+0x40f/0x880
[ 1244.573924][ C0] ? __pfx___lock_release+0x10/0x10
[ 1244.574190][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1244.574494][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1244.574756][ C0] ? __pfx___up_read+0x10/0x10
[ 1244.575003][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1244.575276][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1244.575550][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1244.575843][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1244.576143][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1244.576434][ C0] __tcf_action_put+0x3d/0xf0
[ 1244.576679][ C0] tcf_action_destroy+0x43/0x130
[ 1244.576934][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1244.577177][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1244.577502][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1244.577778][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1244.578083][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1244.578381][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1244.578672][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1244.578987][ C0] ? __lock_release+0x40f/0x880
[ 1244.579239][ C0] ? __mutex_lock+0x26e/0xb10
[ 1244.579490][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1244.579775][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1244.580087][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1244.580400][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1244.580653][ C0] tcf_chain_flush+0x1e0/0x320
[ 1244.580900][ C0] __tcf_block_put+0x113/0x270
[ 1244.581150][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1244.581459][ C0] __qdisc_destroy+0xee/0x340
[ 1244.581703][ C0] dev_shutdown+0x129/0x350
[ 1244.581940][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1244.582265][ C0] ? rtnl_is_locked+0x15/0x20
[ 1244.582511][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1244.582830][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1244.583173][ C0] ? mutex_is_locked+0x17/0x50
[ 1244.583423][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1244.583731][ C0] cleanup_net+0x4cf/0xb60
[ 1244.583959][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1244.584249][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1244.584506][ C0] ? lock_acquire+0x1c1/0x220
[ 1244.584745][ C0] ? process_one_work+0x714/0x1310
[ 1244.585011][ C0] process_one_work+0x78c/0x1310
[ 1244.585266][ C0] ? hlock_class+0x4e/0x130
[ 1244.585501][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1244.585778][ C0] ? assign_work+0x16c/0x240
[ 1244.586017][ C0] worker_thread+0x73d/0x1010
[ 1244.586260][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1244.586602][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1244.586865][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1244.587127][ C0] kthread+0x28f/0x360
[ 1244.587338][ C0] ? __pfx_kthread+0x10/0x10
[ 1244.587576][ C0] ret_from_fork+0x31/0x70
[ 1244.587807][ C0] ? __pfx_kthread+0x10/0x10
[ 1244.588043][ C0] ret_from_fork_asm+0x1b/0x30
[ 1244.588296][ C0]
[ 1272.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 656s! [kworker/u8:1:71]
[ 1272.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1272.556975][ C0] irq event stamp: 164379
[ 1272.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1272.557676][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1272.558155][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1272.558628][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1272.559096][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1272.559581][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1272.560201][ C0] Workqueue: netns cleanup_net
[ 1272.560453][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 1272.560718][ C0] Code: 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 <85> c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7
[ 1272.561700][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1272.562014][ C0] RAX: 0000000000000000 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1272.562418][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1272.562820][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1272.563225][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1272.563628][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1272.564031][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1272.564484][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1272.564820][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1272.565228][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1272.565631][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1272.566035][ C0] PKRU: 55555554
[ 1272.566218][ C0] Call Trace:
[ 1272.566395][ C0]
[ 1272.566544][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1272.566811][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1272.567060][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1272.567341][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1272.567617][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1272.567910][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1272.568179][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1272.568492][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1272.568757][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1272.569071][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1272.569377][ C0]
[ 1272.569531][ C0]
[ 1272.569682][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1272.570002][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1272.570294][ C0] ? kasan_report+0x29/0xf0
[ 1272.570530][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1272.570823][ C0] ? kasan_report+0xda/0xf0
[ 1272.571056][ C0] kasan_check_range+0x39/0x1c0
[ 1272.571309][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1272.571594][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1272.571910][ C0] ? __pfx___schedule+0x10/0x10
[ 1272.572163][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1272.572417][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1272.572692][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1272.572983][ C0] ? lock_acquire+0x1c1/0x220
[ 1272.573224][ C0] ? __mutex_lock+0x33e/0xb10
[ 1272.573468][ C0] ? __mutex_lock+0x811/0xb10
[ 1272.573711][ C0] _raw_spin_lock+0x67/0x80
[ 1272.573946][ C0] __mutex_lock+0x33e/0xb10
[ 1272.574178][ C0] ? __lock_release+0x40f/0x880
[ 1272.574430][ C0] ? __pfx___lock_release+0x10/0x10
[ 1272.574699][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1272.575002][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1272.575260][ C0] ? __pfx___up_read+0x10/0x10
[ 1272.575510][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1272.575780][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1272.576054][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1272.576350][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1272.576649][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1272.576940][ C0] __tcf_action_put+0x3d/0xf0
[ 1272.577183][ C0] tcf_action_destroy+0x43/0x130
[ 1272.577441][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1272.577685][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1272.578009][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1272.578285][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1272.578592][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1272.578889][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1272.579180][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1272.579502][ C0] ? __lock_release+0x40f/0x880
[ 1272.579753][ C0] ? __mutex_lock+0x26e/0xb10
[ 1272.579997][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1272.580281][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1272.580596][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1272.580904][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1272.581156][ C0] tcf_chain_flush+0x1e0/0x320
[ 1272.581406][ C0] __tcf_block_put+0x113/0x270
[ 1272.581652][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1272.581962][ C0] __qdisc_destroy+0xee/0x340
[ 1272.582206][ C0] dev_shutdown+0x129/0x350
[ 1272.582441][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1272.582767][ C0] ? rtnl_is_locked+0x15/0x20
[ 1272.583011][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1272.583331][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1272.583678][ C0] ? mutex_is_locked+0x17/0x50
[ 1272.583924][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1272.584232][ C0] cleanup_net+0x4cf/0xb60
[ 1272.584463][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1272.584751][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1272.585006][ C0] ? lock_acquire+0x1c1/0x220
[ 1272.585248][ C0] ? process_one_work+0x714/0x1310
[ 1272.585516][ C0] process_one_work+0x78c/0x1310
[ 1272.585773][ C0] ? hlock_class+0x4e/0x130
[ 1272.586006][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1272.586283][ C0] ? assign_work+0x16c/0x240
[ 1272.586522][ C0] worker_thread+0x73d/0x1010
[ 1272.586765][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1272.587102][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1272.587365][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1272.587626][ C0] kthread+0x28f/0x360
[ 1272.587839][ C0] ? __pfx_kthread+0x10/0x10
[ 1272.588075][ C0] ret_from_fork+0x31/0x70
[ 1272.588306][ C0] ? __pfx_kthread+0x10/0x10
[ 1272.588544][ C0] ret_from_fork_asm+0x1b/0x30
[ 1272.588797][ C0]
[ 1291.595342][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 721320 jiffies s: 1289 root: 0x1/.
[ 1291.595992][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1291.596372][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1291.596655][ C0] NMI backtrace for cpu 0
[ 1291.596660][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1291.596664][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1291.596667][ C0] Workqueue: netns cleanup_net
[ 1291.596675][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1291.596682][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1291.596684][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1291.596687][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1291.596689][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1291.596690][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1291.596692][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1291.596693][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1291.596695][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1291.596697][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1291.596699][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1291.596701][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1291.596702][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1291.596703][ C0] PKRU: 55555554
[ 1291.596704][ C0] Call Trace:
[ 1291.596707][ C0]
[ 1291.596711][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1291.596717][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1291.596722][ C0] ? nmi_handle+0x153/0x420
[ 1291.596728][ C0] ? default_do_nmi+0x41/0x100
[ 1291.596734][ C0] ? exc_nmi+0xf3/0x120
[ 1291.596736][ C0] ? end_repeat_nmi+0xf/0x60
[ 1291.596740][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1291.596746][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1291.596750][ C0] ? kasan_report+0xd2/0xf0
[ 1291.596753][ C0] ? kasan_report+0xd2/0xf0
[ 1291.596756][ C0] ? kasan_report+0xd2/0xf0
[ 1291.596759][ C0]
[ 1291.596759][ C0]
[ 1291.596762][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1291.596765][ C0] kasan_check_range+0x39/0x1c0
[ 1291.596771][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1291.596775][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1291.596778][ C0] ? __pfx___schedule+0x10/0x10
[ 1291.596784][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1291.596791][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1291.596794][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1291.596797][ C0] ? lock_acquire+0x1c1/0x220
[ 1291.596800][ C0] ? __mutex_lock+0x33e/0xb10
[ 1291.596804][ C0] ? __mutex_lock+0x811/0xb10
[ 1291.596807][ C0] _raw_spin_lock+0x67/0x80
[ 1291.596810][ C0] __mutex_lock+0x33e/0xb10
[ 1291.596813][ C0] ? __lock_release+0x40f/0x880
[ 1291.596816][ C0] ? __pfx___lock_release+0x10/0x10
[ 1291.596819][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1291.596825][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1291.596828][ C0] ? __pfx___up_read+0x10/0x10
[ 1291.596831][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1291.596835][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1291.596840][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1291.596847][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1291.596850][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1291.596854][ C0] __tcf_action_put+0x3d/0xf0
[ 1291.596860][ C0] tcf_action_destroy+0x43/0x130
[ 1291.596863][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1291.596867][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1291.596878][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1291.596887][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1291.596895][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1291.596904][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1291.596913][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1291.596921][ C0] ? __lock_release+0x40f/0x880
[ 1291.596925][ C0] ? __mutex_lock+0x26e/0xb10
[ 1291.596928][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1291.596938][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1291.596946][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1291.596950][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1291.596954][ C0] tcf_chain_flush+0x1e0/0x320
[ 1291.596958][ C0] __tcf_block_put+0x113/0x270
[ 1291.596962][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1291.596970][ C0] __qdisc_destroy+0xee/0x340
[ 1291.596974][ C0] dev_shutdown+0x129/0x350
[ 1291.596977][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1291.596982][ C0] ? rtnl_is_locked+0x15/0x20
[ 1291.596987][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1291.596989][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1291.596992][ C0] ? mutex_is_locked+0x17/0x50
[ 1291.596995][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1291.597001][ C0] cleanup_net+0x4cf/0xb60
[ 1291.597005][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1291.597007][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1291.597011][ C0] ? lock_acquire+0x1c1/0x220
[ 1291.597013][ C0] ? process_one_work+0x714/0x1310
[ 1291.597019][ C0] process_one_work+0x78c/0x1310
[ 1291.597023][ C0] ? hlock_class+0x4e/0x130
[ 1291.597027][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1291.597032][ C0] ? assign_work+0x16c/0x240
[ 1291.597035][ C0] worker_thread+0x73d/0x1010
[ 1291.597038][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1291.597042][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1291.597045][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1291.597047][ C0] kthread+0x28f/0x360
[ 1291.597050][ C0] ? __pfx_kthread+0x10/0x10
[ 1291.597052][ C0] ret_from_fork+0x31/0x70
[ 1291.597056][ C0] ? __pfx_kthread+0x10/0x10
[ 1291.597058][ C0] ret_from_fork_asm+0x1b/0x30
[ 1291.597067][ C0]
[ 1298.372325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1298.372697][ C0] rcu: 0-....: (727297 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=160003
[ 1298.373253][ C0] rcu: (t=728328 jiffies g=477977 q=5779 ncpus=4)
[ 1298.373588][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1298.374065][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1298.374687][ C0] Workqueue: netns cleanup_net
[ 1298.374937][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1298.375213][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1298.376196][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 1298.376514][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1298.376917][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1298.377319][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1298.377721][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1298.378126][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1298.378530][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1298.378987][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1298.379329][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1298.379733][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1298.380137][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1298.380541][ C0] PKRU: 55555554
[ 1298.380726][ C0] Call Trace:
[ 1298.380897][ C0]
[ 1298.381049][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1298.381326][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1298.381582][ C0] ? check_cpu_stall+0x284/0x500
[ 1298.381836][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1298.382125][ C0] ? rcu_pending+0x92/0x360
[ 1298.382360][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1298.382632][ C0] ? update_process_times+0xb9/0x110
[ 1298.382907][ C0] ? tick_sched_handle+0x67/0x130
[ 1298.383166][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1298.383461][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1298.383705][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1298.384021][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1298.384299][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1298.384592][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1298.384859][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1298.385168][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1298.385434][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1298.385748][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1298.386049][ C0]
[ 1298.386208][ C0]
[ 1298.386360][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1298.386679][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1298.386980][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1298.387276][ C0] ? report_enabled+0x19/0x30
[ 1298.387520][ C0] kasan_report+0x41/0xf0
[ 1298.387746][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1298.388033][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1298.388350][ C0] ? __pfx___schedule+0x10/0x10
[ 1298.388603][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1298.388856][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1298.389130][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1298.389423][ C0] ? lock_acquire+0x1c1/0x220
[ 1298.389665][ C0] ? __mutex_lock+0x33e/0xb10
[ 1298.389907][ C0] ? __mutex_lock+0x811/0xb10
[ 1298.390152][ C0] _raw_spin_lock+0x67/0x80
[ 1298.390385][ C0] __mutex_lock+0x33e/0xb10
[ 1298.390619][ C0] ? __lock_release+0x40f/0x880
[ 1298.390869][ C0] ? __pfx___lock_release+0x10/0x10
[ 1298.391134][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1298.391434][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1298.391693][ C0] ? __pfx___up_read+0x10/0x10
[ 1298.391940][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1298.392210][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1298.392486][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1298.392779][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1298.393078][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1298.393366][ C0] __tcf_action_put+0x3d/0xf0
[ 1298.393610][ C0] tcf_action_destroy+0x43/0x130
[ 1298.393865][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1298.394108][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1298.394430][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1298.394709][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1298.395010][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1298.395309][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1298.395598][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1298.395913][ C0] ? __lock_release+0x40f/0x880
[ 1298.396164][ C0] ? __mutex_lock+0x26e/0xb10
[ 1298.396407][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1298.396692][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1298.397004][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1298.397311][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1298.397561][ C0] tcf_chain_flush+0x1e0/0x320
[ 1298.397808][ C0] __tcf_block_put+0x113/0x270
[ 1298.398056][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1298.398366][ C0] __qdisc_destroy+0xee/0x340
[ 1298.398607][ C0] dev_shutdown+0x129/0x350
[ 1298.398843][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1298.399172][ C0] ? rtnl_is_locked+0x15/0x20
[ 1298.399416][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1298.399735][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1298.400078][ C0] ? mutex_is_locked+0x17/0x50
[ 1298.400324][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1298.400630][ C0] cleanup_net+0x4cf/0xb60
[ 1298.400860][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1298.401146][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1298.401401][ C0] ? lock_acquire+0x1c1/0x220
[ 1298.401641][ C0] ? process_one_work+0x714/0x1310
[ 1298.401906][ C0] process_one_work+0x78c/0x1310
[ 1298.402162][ C0] ? hlock_class+0x4e/0x130
[ 1298.402397][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1298.402673][ C0] ? assign_work+0x16c/0x240
[ 1298.402912][ C0] worker_thread+0x73d/0x1010
[ 1298.403153][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1298.403494][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1298.403756][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1298.404017][ C0] kthread+0x28f/0x360
[ 1298.404227][ C0] ? __pfx_kthread+0x10/0x10
[ 1298.404465][ C0] ret_from_fork+0x31/0x70
[ 1298.404693][ C0] ? __pfx_kthread+0x10/0x10
[ 1298.404930][ C0] ret_from_fork_asm+0x1b/0x30
[ 1298.405183][ C0]
[ 1316.925746][ T74] kmemleak: 1204 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[ 1324.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 704s! [kworker/u8:1:71]
[ 1324.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1324.556972][ C0] irq event stamp: 164379
[ 1324.557192][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1324.557673][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1324.558148][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1324.558622][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1324.559096][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1324.559577][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1324.560194][ C0] Workqueue: netns cleanup_net
[ 1324.560445][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1324.560717][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1324.561702][ C0] RSP: 0018:ffffc9000051f310 EFLAGS: 00000247
[ 1324.562011][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1324.562416][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1324.562820][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1324.563222][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1324.563625][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1324.564029][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1324.564483][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1324.564819][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1324.565224][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1324.565628][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1324.566033][ C0] PKRU: 55555554
[ 1324.566215][ C0] Call Trace:
[ 1324.566390][ C0]
[ 1324.566541][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1324.566808][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1324.567053][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1324.567337][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1324.567613][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1324.567904][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1324.568174][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1324.568484][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1324.568749][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1324.569067][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1324.569368][ C0]
[ 1324.569519][ C0]
[ 1324.569673][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1324.569992][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1324.570286][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1324.570580][ C0] ? report_enabled+0x19/0x30
[ 1324.570822][ C0] kasan_report+0x41/0xf0
[ 1324.571047][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1324.571340][ C0] kasan_check_range+0x39/0x1c0
[ 1324.571594][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1324.571877][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1324.572193][ C0] ? __pfx___schedule+0x10/0x10
[ 1324.572449][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1324.572703][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1324.572977][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1324.573266][ C0] ? lock_acquire+0x1c1/0x220
[ 1324.573507][ C0] ? __mutex_lock+0x33e/0xb10
[ 1324.573750][ C0] ? __mutex_lock+0x811/0xb10
[ 1324.573992][ C0] _raw_spin_lock+0x67/0x80
[ 1324.574226][ C0] __mutex_lock+0x33e/0xb10
[ 1324.574460][ C0] ? __lock_release+0x40f/0x880
[ 1324.574714][ C0] ? __pfx___lock_release+0x10/0x10
[ 1324.574980][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1324.575283][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1324.575544][ C0] ? __pfx___up_read+0x10/0x10
[ 1324.575792][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1324.576063][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1324.576337][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1324.576633][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1324.576931][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1324.577222][ C0] __tcf_action_put+0x3d/0xf0
[ 1324.577466][ C0] tcf_action_destroy+0x43/0x130
[ 1324.577722][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1324.577965][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1324.578290][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1324.578571][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1324.578884][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1324.579187][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1324.579480][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1324.579793][ C0] ? __lock_release+0x40f/0x880
[ 1324.580042][ C0] ? __mutex_lock+0x26e/0xb10
[ 1324.580286][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1324.580572][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1324.580885][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1324.581193][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1324.581446][ C0] tcf_chain_flush+0x1e0/0x320
[ 1324.581694][ C0] __tcf_block_put+0x113/0x270
[ 1324.581940][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1324.582248][ C0] __qdisc_destroy+0xee/0x340
[ 1324.582493][ C0] dev_shutdown+0x129/0x350
[ 1324.582727][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1324.583052][ C0] ? rtnl_is_locked+0x15/0x20
[ 1324.583298][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1324.583619][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1324.583963][ C0] ? mutex_is_locked+0x17/0x50
[ 1324.584207][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1324.584514][ C0] cleanup_net+0x4cf/0xb60
[ 1324.584743][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1324.585031][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1324.585285][ C0] ? lock_acquire+0x1c1/0x220
[ 1324.585527][ C0] ? process_one_work+0x714/0x1310
[ 1324.585792][ C0] process_one_work+0x78c/0x1310
[ 1324.586047][ C0] ? hlock_class+0x4e/0x130
[ 1324.586279][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1324.586556][ C0] ? assign_work+0x16c/0x240
[ 1324.586793][ C0] worker_thread+0x73d/0x1010
[ 1324.587035][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1324.587372][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1324.587633][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1324.587894][ C0] kthread+0x28f/0x360
[ 1324.588105][ C0] ? __pfx_kthread+0x10/0x10
[ 1324.588343][ C0] ret_from_fork+0x31/0x70
[ 1324.588573][ C0] ? __pfx_kthread+0x10/0x10
[ 1324.588809][ C0] ret_from_fork_asm+0x1b/0x30
[ 1324.589065][ C0]
[ 1352.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 730s! [kworker/u8:1:71]
[ 1352.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1352.556976][ C0] irq event stamp: 164379
[ 1352.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1352.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1352.558156][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1352.558630][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1352.559103][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1352.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1352.560200][ C0] Workqueue: netns cleanup_net
[ 1352.560451][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1352.560716][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1352.561697][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1352.562009][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1352.562413][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1352.562818][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1352.563220][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1352.563624][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1352.564027][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1352.564480][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1352.564816][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1352.565220][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1352.565623][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1352.566031][ C0] PKRU: 55555554
[ 1352.566213][ C0] Call Trace:
[ 1352.566389][ C0]
[ 1352.566539][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1352.566807][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1352.567054][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1352.567335][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1352.567617][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1352.567907][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1352.568178][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1352.568489][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1352.568753][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1352.569072][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1352.569374][ C0]
[ 1352.569525][ C0]
[ 1352.569677][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1352.569996][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1352.570290][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1352.570583][ C0] ? kasan_report+0xd2/0xf0
[ 1352.570820][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1352.571114][ C0] kasan_check_range+0x39/0x1c0
[ 1352.571368][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1352.571655][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1352.571970][ C0] ? __pfx___schedule+0x10/0x10
[ 1352.572222][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1352.572477][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1352.572754][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1352.573041][ C0] ? lock_acquire+0x1c1/0x220
[ 1352.573284][ C0] ? __mutex_lock+0x33e/0xb10
[ 1352.573529][ C0] ? __mutex_lock+0x811/0xb10
[ 1352.573770][ C0] _raw_spin_lock+0x67/0x80
[ 1352.574004][ C0] __mutex_lock+0x33e/0xb10
[ 1352.574245][ C0] ? __lock_release+0x40f/0x880
[ 1352.574497][ C0] ? __pfx___lock_release+0x10/0x10
[ 1352.574765][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1352.575068][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1352.575330][ C0] ? __pfx___up_read+0x10/0x10
[ 1352.575578][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1352.575848][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1352.576121][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1352.576418][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1352.576716][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1352.577007][ C0] __tcf_action_put+0x3d/0xf0
[ 1352.577253][ C0] tcf_action_destroy+0x43/0x130
[ 1352.577509][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1352.577750][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1352.578074][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1352.578352][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1352.578660][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1352.578964][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1352.579255][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1352.579572][ C0] ? __lock_release+0x40f/0x880
[ 1352.579823][ C0] ? __mutex_lock+0x26e/0xb10
[ 1352.580064][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1352.580352][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1352.580662][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1352.580972][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1352.581223][ C0] tcf_chain_flush+0x1e0/0x320
[ 1352.581473][ C0] __tcf_block_put+0x113/0x270
[ 1352.581721][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1352.582027][ C0] __qdisc_destroy+0xee/0x340
[ 1352.582272][ C0] dev_shutdown+0x129/0x350
[ 1352.582509][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1352.582835][ C0] ? rtnl_is_locked+0x15/0x20
[ 1352.583078][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1352.583398][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1352.583746][ C0] ? mutex_is_locked+0x17/0x50
[ 1352.583992][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1352.584298][ C0] cleanup_net+0x4cf/0xb60
[ 1352.584529][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1352.584817][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1352.585073][ C0] ? lock_acquire+0x1c1/0x220
[ 1352.585314][ C0] ? process_one_work+0x714/0x1310
[ 1352.585581][ C0] process_one_work+0x78c/0x1310
[ 1352.585837][ C0] ? hlock_class+0x4e/0x130
[ 1352.586070][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1352.586348][ C0] ? assign_work+0x16c/0x240
[ 1352.586585][ C0] worker_thread+0x73d/0x1010
[ 1352.586827][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1352.587161][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1352.587426][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1352.587688][ C0] kthread+0x28f/0x360
[ 1352.587899][ C0] ? __pfx_kthread+0x10/0x10
[ 1352.588134][ C0] ret_from_fork+0x31/0x70
[ 1352.588365][ C0] ? __pfx_kthread+0x10/0x10
[ 1352.588603][ C0] ret_from_fork_asm+0x1b/0x30
[ 1352.588855][ C0]
[ 1376.409324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1376.409702][ C0] rcu: 0-....: (805238 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=176710
[ 1376.410259][ C0] rcu: (t=806365 jiffies g=477977 q=5779 ncpus=4)
[ 1376.410596][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1376.411077][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1376.411698][ C0] Workqueue: netns cleanup_net
[ 1376.411953][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1376.412286][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1376.413270][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1376.413582][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1376.413985][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1376.414392][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1376.414796][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1376.415199][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1376.415602][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1376.416054][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1376.416392][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1376.416800][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1376.417202][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1376.417604][ C0] PKRU: 55555554
[ 1376.417789][ C0] Call Trace:
[ 1376.417964][ C0]
[ 1376.418114][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1376.418394][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1376.418651][ C0] ? check_cpu_stall+0x284/0x500
[ 1376.418911][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1376.419204][ C0] ? rcu_pending+0x92/0x360
[ 1376.419437][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1376.419712][ C0] ? update_process_times+0xb9/0x110
[ 1376.419986][ C0] ? tick_sched_handle+0x67/0x130
[ 1376.420247][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1376.420536][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1376.420782][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1376.421098][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1376.421374][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1376.421666][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1376.421936][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1376.422245][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1376.422510][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1376.422822][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1376.423125][ C0]
[ 1376.423275][ C0]
[ 1376.423430][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1376.423750][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1376.424047][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1376.424348][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1376.424665][ C0] ? __pfx___schedule+0x10/0x10
[ 1376.424918][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1376.425170][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1376.425447][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1376.425735][ C0] ? lock_acquire+0x1c1/0x220
[ 1376.425977][ C0] ? __mutex_lock+0x33e/0xb10
[ 1376.426220][ C0] ? __mutex_lock+0x811/0xb10
[ 1376.426460][ C0] _raw_spin_lock+0x67/0x80
[ 1376.426697][ C0] __mutex_lock+0x33e/0xb10
[ 1376.426931][ C0] ? __lock_release+0x40f/0x880
[ 1376.427181][ C0] ? __pfx___lock_release+0x10/0x10
[ 1376.427449][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1376.427748][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1376.428007][ C0] ? __pfx___up_read+0x10/0x10
[ 1376.428258][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1376.428529][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1376.428814][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1376.429116][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1376.429417][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1376.429706][ C0] __tcf_action_put+0x3d/0xf0
[ 1376.429952][ C0] tcf_action_destroy+0x43/0x130
[ 1376.430207][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1376.430449][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1376.430773][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1376.431051][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1376.431356][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1376.431655][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1376.431943][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1376.432259][ C0] ? __lock_release+0x40f/0x880
[ 1376.432511][ C0] ? __mutex_lock+0x26e/0xb10
[ 1376.432753][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1376.433040][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1376.433352][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1376.433659][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1376.433910][ C0] tcf_chain_flush+0x1e0/0x320
[ 1376.434158][ C0] __tcf_block_put+0x113/0x270
[ 1376.434407][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1376.434714][ C0] __qdisc_destroy+0xee/0x340
[ 1376.434958][ C0] dev_shutdown+0x129/0x350
[ 1376.435193][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1376.435520][ C0] ? rtnl_is_locked+0x15/0x20
[ 1376.435764][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1376.436082][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1376.436429][ C0] ? mutex_is_locked+0x17/0x50
[ 1376.436675][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1376.436979][ C0] cleanup_net+0x4cf/0xb60
[ 1376.437211][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1376.437498][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1376.437754][ C0] ? lock_acquire+0x1c1/0x220
[ 1376.437995][ C0] ? process_one_work+0x714/0x1310
[ 1376.438261][ C0] process_one_work+0x78c/0x1310
[ 1376.438518][ C0] ? hlock_class+0x4e/0x130
[ 1376.438754][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1376.439037][ C0] ? assign_work+0x16c/0x240
[ 1376.439276][ C0] worker_thread+0x73d/0x1010
[ 1376.439517][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1376.439860][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1376.440123][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1376.440387][ C0] kthread+0x28f/0x360
[ 1376.440598][ C0] ? __pfx_kthread+0x10/0x10
[ 1376.440837][ C0] ret_from_fork+0x31/0x70
[ 1376.441066][ C0] ? __pfx_kthread+0x10/0x10
[ 1376.441303][ C0] ret_from_fork_asm+0x1b/0x30
[ 1376.441557][ C0]
[ 1389.899346][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 819624 jiffies s: 1289 root: 0x1/.
[ 1389.899995][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1389.900375][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1389.900658][ C0] NMI backtrace for cpu 0
[ 1389.900664][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1389.900668][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1389.900671][ C0] Workqueue: netns cleanup_net
[ 1389.900679][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 1389.900687][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 1389.900690][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1389.900692][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1389.900694][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1389.900695][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1389.900697][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1389.900699][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1389.900701][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1389.900702][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1389.900706][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1389.900707][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1389.900708][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1389.900710][ C0] PKRU: 55555554
[ 1389.900711][ C0] Call Trace:
[ 1389.900715][ C0]
[ 1389.900718][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1389.900725][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1389.900730][ C0] ? nmi_handle+0x153/0x420
[ 1389.900735][ C0] ? default_do_nmi+0x41/0x100
[ 1389.900741][ C0] ? exc_nmi+0xf3/0x120
[ 1389.900743][ C0] ? end_repeat_nmi+0xf/0x60
[ 1389.900748][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1389.900754][ C0] ? kasan_report+0x19/0xf0
[ 1389.900757][ C0] ? kasan_report+0x19/0xf0
[ 1389.900760][ C0] ? kasan_report+0x19/0xf0
[ 1389.900763][ C0]
[ 1389.900764][ C0]
[ 1389.900768][ C0] kasan_check_range+0x39/0x1c0
[ 1389.900774][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1389.900778][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1389.900782][ C0] ? __pfx___schedule+0x10/0x10
[ 1389.900788][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1389.900794][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1389.900797][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1389.900800][ C0] ? lock_acquire+0x1c1/0x220
[ 1389.900803][ C0] ? __mutex_lock+0x33e/0xb10
[ 1389.900808][ C0] ? __mutex_lock+0x811/0xb10
[ 1389.900810][ C0] _raw_spin_lock+0x67/0x80
[ 1389.900814][ C0] __mutex_lock+0x33e/0xb10
[ 1389.900817][ C0] ? __lock_release+0x40f/0x880
[ 1389.900820][ C0] ? __pfx___lock_release+0x10/0x10
[ 1389.900823][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1389.900829][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1389.900833][ C0] ? __pfx___up_read+0x10/0x10
[ 1389.900837][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1389.900840][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1389.900845][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1389.900852][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1389.900855][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1389.900860][ C0] __tcf_action_put+0x3d/0xf0
[ 1389.900866][ C0] tcf_action_destroy+0x43/0x130
[ 1389.900870][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1389.900873][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1389.900885][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1389.900893][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1389.900902][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1389.900911][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1389.900920][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1389.900928][ C0] ? __lock_release+0x40f/0x880
[ 1389.900932][ C0] ? __mutex_lock+0x26e/0xb10
[ 1389.900936][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1389.900945][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1389.900953][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1389.900957][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1389.900961][ C0] tcf_chain_flush+0x1e0/0x320
[ 1389.900965][ C0] __tcf_block_put+0x113/0x270
[ 1389.900970][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1389.900977][ C0] __qdisc_destroy+0xee/0x340
[ 1389.900981][ C0] dev_shutdown+0x129/0x350
[ 1389.900984][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1389.900989][ C0] ? rtnl_is_locked+0x15/0x20
[ 1389.900993][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1389.900996][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1389.900999][ C0] ? mutex_is_locked+0x17/0x50
[ 1389.901002][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1389.901009][ C0] cleanup_net+0x4cf/0xb60
[ 1389.901011][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1389.901014][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1389.901017][ C0] ? lock_acquire+0x1c1/0x220
[ 1389.901019][ C0] ? process_one_work+0x714/0x1310
[ 1389.901024][ C0] process_one_work+0x78c/0x1310
[ 1389.901029][ C0] ? hlock_class+0x4e/0x130
[ 1389.901032][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1389.901037][ C0] ? assign_work+0x16c/0x240
[ 1389.901040][ C0] worker_thread+0x73d/0x1010
[ 1389.901043][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1389.901047][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1389.901050][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1389.901053][ C0] kthread+0x28f/0x360
[ 1389.901056][ C0] ? __pfx_kthread+0x10/0x10
[ 1389.901059][ C0] ret_from_fork+0x31/0x70
[ 1389.901062][ C0] ? __pfx_kthread+0x10/0x10
[ 1389.901064][ C0] ret_from_fork_asm+0x1b/0x30
[ 1389.901074][ C0]
[ 1416.555812][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 790s! [kworker/u8:1:71]
[ 1416.556274][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1416.556983][ C0] irq event stamp: 164379
[ 1416.557204][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1416.557687][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1416.558163][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1416.558641][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1416.559113][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1416.559594][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1416.560215][ C0] Workqueue: netns cleanup_net
[ 1416.560465][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1416.560794][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1416.561781][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1416.562091][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1416.562497][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1416.562901][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1416.563304][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1416.563708][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1416.564113][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1416.564566][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1416.564914][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1416.565320][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1416.565728][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1416.566141][ C0] PKRU: 55555554
[ 1416.566324][ C0] Call Trace:
[ 1416.566499][ C0]
[ 1416.566650][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1416.566919][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1416.567164][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1416.567450][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1416.567725][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1416.568015][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1416.568287][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1416.568603][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1416.568868][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1416.569182][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1416.569482][ C0]
[ 1416.569633][ C0]
[ 1416.569786][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1416.570107][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1416.570409][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1416.570709][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1416.571025][ C0] ? __pfx___schedule+0x10/0x10
[ 1416.571277][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1416.571532][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1416.571809][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1416.572097][ C0] ? lock_acquire+0x1c1/0x220
[ 1416.572340][ C0] ? __mutex_lock+0x33e/0xb10
[ 1416.572584][ C0] ? __mutex_lock+0x811/0xb10
[ 1416.572824][ C0] _raw_spin_lock+0x67/0x80
[ 1416.573059][ C0] __mutex_lock+0x33e/0xb10
[ 1416.573293][ C0] ? __lock_release+0x40f/0x880
[ 1416.573543][ C0] ? __pfx___lock_release+0x10/0x10
[ 1416.573812][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1416.574114][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1416.574374][ C0] ? __pfx___up_read+0x10/0x10
[ 1416.574623][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1416.574894][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1416.575168][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1416.575466][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1416.575765][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1416.576055][ C0] __tcf_action_put+0x3d/0xf0
[ 1416.576300][ C0] tcf_action_destroy+0x43/0x130
[ 1416.576557][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1416.576798][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1416.577123][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1416.577401][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1416.577707][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1416.578004][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1416.578295][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1416.578618][ C0] ? __lock_release+0x40f/0x880
[ 1416.578869][ C0] ? __mutex_lock+0x26e/0xb10
[ 1416.579110][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1416.579401][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1416.579711][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1416.580021][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1416.580273][ C0] tcf_chain_flush+0x1e0/0x320
[ 1416.580526][ C0] __tcf_block_put+0x113/0x270
[ 1416.580775][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1416.581082][ C0] __qdisc_destroy+0xee/0x340
[ 1416.581326][ C0] dev_shutdown+0x129/0x350
[ 1416.581563][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1416.581891][ C0] ? rtnl_is_locked+0x15/0x20
[ 1416.582135][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1416.582454][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1416.582802][ C0] ? mutex_is_locked+0x17/0x50
[ 1416.583047][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1416.583353][ C0] cleanup_net+0x4cf/0xb60
[ 1416.583584][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1416.583871][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1416.584126][ C0] ? lock_acquire+0x1c1/0x220
[ 1416.584369][ C0] ? process_one_work+0x714/0x1310
[ 1416.584635][ C0] process_one_work+0x78c/0x1310
[ 1416.584892][ C0] ? hlock_class+0x4e/0x130
[ 1416.585127][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1416.585410][ C0] ? assign_work+0x16c/0x240
[ 1416.585647][ C0] worker_thread+0x73d/0x1010
[ 1416.585890][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1416.586225][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1416.586491][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1416.586754][ C0] kthread+0x28f/0x360
[ 1416.586966][ C0] ? __pfx_kthread+0x10/0x10
[ 1416.587204][ C0] ret_from_fork+0x31/0x70
[ 1416.587436][ C0] ? __pfx_kthread+0x10/0x10
[ 1416.587674][ C0] ret_from_fork_asm+0x1b/0x30
[ 1416.587926][ C0]
[ 1444.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 816s! [kworker/u8:1:71]
[ 1444.556271][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1444.556978][ C0] irq event stamp: 164379
[ 1444.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1444.557681][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1444.558156][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1444.558634][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1444.559105][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1444.559585][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1444.560202][ C0] Workqueue: netns cleanup_net
[ 1444.560452][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1444.560717][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1444.561700][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1444.562009][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1444.562414][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1444.562818][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1444.563219][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1444.563621][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1444.564025][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1444.564478][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1444.564813][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1444.565217][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1444.565620][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1444.566025][ C0] PKRU: 55555554
[ 1444.566207][ C0] Call Trace:
[ 1444.566382][ C0]
[ 1444.566532][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1444.566800][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1444.567045][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1444.567328][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1444.567604][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1444.567894][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1444.568165][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1444.568477][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1444.568744][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1444.569059][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1444.569359][ C0]
[ 1444.569510][ C0]
[ 1444.569662][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1444.569980][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1444.570274][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1444.570565][ C0] ? kasan_report+0xd2/0xf0
[ 1444.570802][ C0] kasan_check_range+0x39/0x1c0
[ 1444.571055][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1444.571338][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1444.571654][ C0] ? __pfx___schedule+0x10/0x10
[ 1444.571907][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1444.572160][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1444.572436][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1444.572724][ C0] ? lock_acquire+0x1c1/0x220
[ 1444.572962][ C0] ? __mutex_lock+0x33e/0xb10
[ 1444.573207][ C0] ? __mutex_lock+0x811/0xb10
[ 1444.573451][ C0] _raw_spin_lock+0x67/0x80
[ 1444.573684][ C0] __mutex_lock+0x33e/0xb10
[ 1444.573916][ C0] ? __lock_release+0x40f/0x880
[ 1444.574167][ C0] ? __pfx___lock_release+0x10/0x10
[ 1444.574434][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1444.574740][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1444.575001][ C0] ? __pfx___up_read+0x10/0x10
[ 1444.575248][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1444.575520][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1444.575791][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1444.576085][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1444.576384][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1444.576673][ C0] __tcf_action_put+0x3d/0xf0
[ 1444.576916][ C0] tcf_action_destroy+0x43/0x130
[ 1444.577171][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1444.577415][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1444.577742][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1444.578021][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1444.578325][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1444.578627][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1444.578916][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1444.579230][ C0] ? __lock_release+0x40f/0x880
[ 1444.579482][ C0] ? __mutex_lock+0x26e/0xb10
[ 1444.579725][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1444.580009][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1444.580321][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1444.580630][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1444.580881][ C0] tcf_chain_flush+0x1e0/0x320
[ 1444.581127][ C0] __tcf_block_put+0x113/0x270
[ 1444.581374][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1444.581682][ C0] __qdisc_destroy+0xee/0x340
[ 1444.581926][ C0] dev_shutdown+0x129/0x350
[ 1444.582158][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1444.582485][ C0] ? rtnl_is_locked+0x15/0x20
[ 1444.582729][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1444.583047][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1444.583390][ C0] ? mutex_is_locked+0x17/0x50
[ 1444.583636][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1444.583943][ C0] cleanup_net+0x4cf/0xb60
[ 1444.584170][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1444.584462][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1444.584717][ C0] ? lock_acquire+0x1c1/0x220
[ 1444.584956][ C0] ? process_one_work+0x714/0x1310
[ 1444.585222][ C0] process_one_work+0x78c/0x1310
[ 1444.585479][ C0] ? hlock_class+0x4e/0x130
[ 1444.585712][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1444.585987][ C0] ? assign_work+0x16c/0x240
[ 1444.586227][ C0] worker_thread+0x73d/0x1010
[ 1444.586470][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1444.586806][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1444.587068][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1444.587328][ C0] kthread+0x28f/0x360
[ 1444.587538][ C0] ? __pfx_kthread+0x10/0x10
[ 1444.587777][ C0] ret_from_fork+0x31/0x70
[ 1444.588007][ C0] ? __pfx_kthread+0x10/0x10
[ 1444.588242][ C0] ret_from_fork_asm+0x1b/0x30
[ 1444.588504][ C0]
[ 1454.445325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1454.445699][ C0] rcu: 0-....: (883154 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=193375
[ 1454.446256][ C0] rcu: (t=884401 jiffies g=477977 q=5779 ncpus=4)
[ 1454.446592][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1454.447070][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1454.447692][ C0] Workqueue: netns cleanup_net
[ 1454.447944][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 1454.448211][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 1454.449200][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1454.449511][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1454.449916][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1454.450319][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1454.450723][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1454.451124][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1454.451529][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1454.451981][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1454.452318][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1454.452722][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1454.453124][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1454.453531][ C0] PKRU: 55555554
[ 1454.453714][ C0] Call Trace:
[ 1454.453887][ C0]
[ 1454.454037][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1454.454316][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1454.454573][ C0] ? check_cpu_stall+0x284/0x500
[ 1454.454826][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1454.455116][ C0] ? rcu_pending+0x92/0x360
[ 1454.455351][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1454.455625][ C0] ? update_process_times+0xb9/0x110
[ 1454.455898][ C0] ? tick_sched_handle+0x67/0x130
[ 1454.456159][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1454.456448][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1454.456692][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1454.457008][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1454.457282][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1454.457576][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1454.457845][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1454.458155][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1454.458425][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1454.458739][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1454.459037][ C0]
[ 1454.459190][ C0]
[ 1454.459342][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1454.459663][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1454.459963][ C0] ? kasan_report+0x19/0xf0
[ 1454.460198][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1454.460489][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1454.460805][ C0] ? __pfx___schedule+0x10/0x10
[ 1454.461057][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1454.461311][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1454.461590][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1454.461878][ C0] ? lock_acquire+0x1c1/0x220
[ 1454.462120][ C0] ? __mutex_lock+0x33e/0xb10
[ 1454.462361][ C0] ? __mutex_lock+0x811/0xb10
[ 1454.462604][ C0] _raw_spin_lock+0x67/0x80
[ 1454.462839][ C0] __mutex_lock+0x33e/0xb10
[ 1454.463071][ C0] ? __lock_release+0x40f/0x880
[ 1454.463322][ C0] ? __pfx___lock_release+0x10/0x10
[ 1454.463587][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1454.463889][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1454.464149][ C0] ? __pfx___up_read+0x10/0x10
[ 1454.464398][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1454.464668][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1454.464941][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1454.465237][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1454.465534][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1454.465825][ C0] __tcf_action_put+0x3d/0xf0
[ 1454.466069][ C0] tcf_action_destroy+0x43/0x130
[ 1454.466324][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1454.466566][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1454.466890][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1454.467165][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1454.467471][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1454.467767][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1454.468059][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1454.468380][ C0] ? __lock_release+0x40f/0x880
[ 1454.468630][ C0] ? __mutex_lock+0x26e/0xb10
[ 1454.468873][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1454.469159][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1454.469471][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1454.469779][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1454.470031][ C0] tcf_chain_flush+0x1e0/0x320
[ 1454.470279][ C0] __tcf_block_put+0x113/0x270
[ 1454.470527][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1454.470833][ C0] __qdisc_destroy+0xee/0x340
[ 1454.471077][ C0] dev_shutdown+0x129/0x350
[ 1454.471312][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1454.471639][ C0] ? rtnl_is_locked+0x15/0x20
[ 1454.471880][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1454.472200][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1454.472547][ C0] ? mutex_is_locked+0x17/0x50
[ 1454.472791][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1454.473097][ C0] cleanup_net+0x4cf/0xb60
[ 1454.473327][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1454.473614][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1454.473869][ C0] ? lock_acquire+0x1c1/0x220
[ 1454.474111][ C0] ? process_one_work+0x714/0x1310
[ 1454.474376][ C0] process_one_work+0x78c/0x1310
[ 1454.474632][ C0] ? hlock_class+0x4e/0x130
[ 1454.474864][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1454.475143][ C0] ? assign_work+0x16c/0x240
[ 1454.475378][ C0] worker_thread+0x73d/0x1010
[ 1454.475621][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1454.475957][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1454.476219][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1454.476482][ C0] kthread+0x28f/0x360
[ 1454.476696][ C0] ? __pfx_kthread+0x10/0x10
[ 1454.476931][ C0] ret_from_fork+0x31/0x70
[ 1454.477163][ C0] ? __pfx_kthread+0x10/0x10
[ 1454.477400][ C0] ret_from_fork_asm+0x1b/0x30
[ 1454.477651][ C0]
[ 1480.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 849s! [kworker/u8:1:71]
[ 1480.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1480.556976][ C0] irq event stamp: 164379
[ 1480.557196][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1480.557677][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1480.558152][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1480.558632][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1480.559099][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1480.559582][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1480.560200][ C0] Workqueue: netns cleanup_net
[ 1480.560453][ C0] RIP: 0010:queued_spin_lock_slowpath+0xc2/0xb90
[ 1480.560777][ C0] Code: 41 83 e4 07 49 01 c5 41 83 c4 03 be 04 00 00 00 48 89 ef e8 d0 79 e9 fd 41 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 42 09 00 00 <8b> 5d 00 85 db 75 62 be 04 00 00 00 48 89 ef e8 da 79 e9 fd 89 d8
[ 1480.561759][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000282
[ 1480.562071][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1480.562476][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1480.562881][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1480.563284][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1480.563687][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1480.564088][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1480.564543][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1480.564890][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1480.565296][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1480.565703][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1480.566104][ C0] PKRU: 55555554
[ 1480.566288][ C0] Call Trace:
[ 1480.566464][ C0]
[ 1480.566615][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1480.566882][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1480.567129][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1480.567411][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1480.567687][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1480.567977][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1480.568251][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1480.568564][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1480.568828][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1480.569141][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1480.569442][ C0]
[ 1480.569593][ C0]
[ 1480.569743][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1480.570064][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1480.570365][ C0] ? queued_spin_lock_slowpath+0xc2/0xb90
[ 1480.570656][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1480.570971][ C0] ? __pfx___schedule+0x10/0x10
[ 1480.571223][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1480.571480][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1480.571754][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1480.572043][ C0] ? lock_acquire+0x1c1/0x220
[ 1480.572283][ C0] ? __mutex_lock+0x33e/0xb10
[ 1480.572529][ C0] ? __mutex_lock+0x811/0xb10
[ 1480.572771][ C0] _raw_spin_lock+0x67/0x80
[ 1480.573008][ C0] __mutex_lock+0x33e/0xb10
[ 1480.573241][ C0] ? __lock_release+0x40f/0x880
[ 1480.573493][ C0] ? __pfx___lock_release+0x10/0x10
[ 1480.573761][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1480.574063][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1480.574321][ C0] ? __pfx___up_read+0x10/0x10
[ 1480.574570][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1480.574840][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1480.575114][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1480.575409][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1480.575709][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1480.575997][ C0] __tcf_action_put+0x3d/0xf0
[ 1480.576241][ C0] tcf_action_destroy+0x43/0x130
[ 1480.576499][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1480.576741][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1480.577064][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1480.577341][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1480.577646][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1480.577942][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1480.578231][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1480.578551][ C0] ? __lock_release+0x40f/0x880
[ 1480.578802][ C0] ? __mutex_lock+0x26e/0xb10
[ 1480.579044][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1480.579330][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1480.579643][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1480.579950][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1480.580202][ C0] tcf_chain_flush+0x1e0/0x320
[ 1480.580450][ C0] __tcf_block_put+0x113/0x270
[ 1480.580697][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1480.581005][ C0] __qdisc_destroy+0xee/0x340
[ 1480.581249][ C0] dev_shutdown+0x129/0x350
[ 1480.581482][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1480.581809][ C0] ? rtnl_is_locked+0x15/0x20
[ 1480.582053][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1480.582372][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1480.582715][ C0] ? mutex_is_locked+0x17/0x50
[ 1480.582961][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1480.583267][ C0] cleanup_net+0x4cf/0xb60
[ 1480.583495][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1480.583784][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1480.584039][ C0] ? lock_acquire+0x1c1/0x220
[ 1480.584279][ C0] ? process_one_work+0x714/0x1310
[ 1480.584547][ C0] process_one_work+0x78c/0x1310
[ 1480.584801][ C0] ? hlock_class+0x4e/0x130
[ 1480.585034][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1480.585308][ C0] ? assign_work+0x16c/0x240
[ 1480.585550][ C0] worker_thread+0x73d/0x1010
[ 1480.585792][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1480.586132][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1480.586396][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1480.586657][ C0] kthread+0x28f/0x360
[ 1480.586867][ C0] ? __pfx_kthread+0x10/0x10
[ 1480.587106][ C0] ret_from_fork+0x31/0x70
[ 1480.587340][ C0] ? __pfx_kthread+0x10/0x10
[ 1480.587580][ C0] ret_from_fork_asm+0x1b/0x30
[ 1480.587834][ C0]
[ 1488.203341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 917928 jiffies s: 1289 root: 0x1/.
[ 1488.203989][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1488.204372][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1488.204654][ C0] NMI backtrace for cpu 0
[ 1488.204659][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1488.204662][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1488.204665][ C0] Workqueue: netns cleanup_net
[ 1488.204671][ C0] RIP: 0010:kasan_report+0x16/0xf0
[ 1488.204678][ C0] Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 <0f> 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f
[ 1488.204681][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1488.204684][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1488.204686][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1488.204687][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1488.204689][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1488.204691][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1488.204692][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1488.204694][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1488.204698][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1488.204699][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1488.204701][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1488.204702][ C0] PKRU: 55555554
[ 1488.204703][ C0] Call Trace:
[ 1488.204707][ C0]
[ 1488.204709][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1488.204715][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1488.204720][ C0] ? nmi_handle+0x153/0x420
[ 1488.204725][ C0] ? default_do_nmi+0x41/0x100
[ 1488.204731][ C0] ? exc_nmi+0xf3/0x120
[ 1488.204734][ C0] ? end_repeat_nmi+0xf/0x60
[ 1488.204738][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1488.204744][ C0] ? kasan_report+0x16/0xf0
[ 1488.204747][ C0] ? kasan_report+0x16/0xf0
[ 1488.204750][ C0] ? kasan_report+0x16/0xf0
[ 1488.204753][ C0]
[ 1488.204754][ C0]
[ 1488.204757][ C0] kasan_check_range+0x39/0x1c0
[ 1488.204763][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1488.204767][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1488.204771][ C0] ? __pfx___schedule+0x10/0x10
[ 1488.204776][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1488.204782][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1488.204785][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1488.204788][ C0] ? lock_acquire+0x1c1/0x220
[ 1488.204790][ C0] ? __mutex_lock+0x33e/0xb10
[ 1488.204794][ C0] ? __mutex_lock+0x811/0xb10
[ 1488.204797][ C0] _raw_spin_lock+0x67/0x80
[ 1488.204800][ C0] __mutex_lock+0x33e/0xb10
[ 1488.204803][ C0] ? __lock_release+0x40f/0x880
[ 1488.204806][ C0] ? __pfx___lock_release+0x10/0x10
[ 1488.204808][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1488.204813][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1488.204817][ C0] ? __pfx___up_read+0x10/0x10
[ 1488.204820][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1488.204823][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1488.204827][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1488.204833][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1488.204837][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1488.204841][ C0] __tcf_action_put+0x3d/0xf0
[ 1488.204845][ C0] tcf_action_destroy+0x43/0x130
[ 1488.204849][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1488.204852][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1488.204862][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1488.204870][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1488.204879][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1488.204887][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1488.204897][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1488.204904][ C0] ? __lock_release+0x40f/0x880
[ 1488.204908][ C0] ? __mutex_lock+0x26e/0xb10
[ 1488.204912][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1488.204921][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1488.204929][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1488.204934][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1488.204938][ C0] tcf_chain_flush+0x1e0/0x320
[ 1488.204942][ C0] __tcf_block_put+0x113/0x270
[ 1488.204946][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1488.204954][ C0] __qdisc_destroy+0xee/0x340
[ 1488.204959][ C0] dev_shutdown+0x129/0x350
[ 1488.204963][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1488.204968][ C0] ? rtnl_is_locked+0x15/0x20
[ 1488.204972][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1488.204975][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1488.204978][ C0] ? mutex_is_locked+0x17/0x50
[ 1488.204981][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1488.204987][ C0] cleanup_net+0x4cf/0xb60
[ 1488.204989][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1488.204992][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1488.204995][ C0] ? lock_acquire+0x1c1/0x220
[ 1488.204998][ C0] ? process_one_work+0x714/0x1310
[ 1488.205002][ C0] process_one_work+0x78c/0x1310
[ 1488.205007][ C0] ? hlock_class+0x4e/0x130
[ 1488.205010][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1488.205015][ C0] ? assign_work+0x16c/0x240
[ 1488.205018][ C0] worker_thread+0x73d/0x1010
[ 1488.205021][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1488.205025][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1488.205028][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1488.205030][ C0] kthread+0x28f/0x360
[ 1488.205033][ C0] ? __pfx_kthread+0x10/0x10
[ 1488.205035][ C0] ret_from_fork+0x31/0x70
[ 1488.205037][ C0] ? __pfx_kthread+0x10/0x10
[ 1488.205039][ C0] ret_from_fork_asm+0x1b/0x30
[ 1488.205048][ C0]
[ 1512.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 879s! [kworker/u8:1:71]
[ 1512.556269][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1512.556974][ C0] irq event stamp: 164379
[ 1512.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1512.557678][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1512.558159][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1512.558640][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1512.559108][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1512.559586][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1512.560207][ C0] Workqueue: netns cleanup_net
[ 1512.560457][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 1512.560723][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 1512.561707][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1512.562018][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1512.562422][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1512.562823][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1512.563229][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1512.563634][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1512.564037][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1512.564490][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1512.564826][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1512.565231][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1512.565636][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1512.566038][ C0] PKRU: 55555554
[ 1512.566222][ C0] Call Trace:
[ 1512.566398][ C0]
[ 1512.566549][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1512.566815][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1512.567065][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1512.567346][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1512.567619][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1512.567913][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1512.568186][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1512.568498][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1512.568763][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1512.569075][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1512.569374][ C0]
[ 1512.569527][ C0]
[ 1512.569679][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1512.570000][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1512.570290][ C0] ? kasan_report+0x22/0xf0
[ 1512.570528][ C0] kasan_check_range+0x39/0x1c0
[ 1512.570781][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1512.571064][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1512.571380][ C0] ? __pfx___schedule+0x10/0x10
[ 1512.571633][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1512.571891][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1512.572168][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1512.572460][ C0] ? lock_acquire+0x1c1/0x220
[ 1512.572700][ C0] ? __mutex_lock+0x33e/0xb10
[ 1512.572943][ C0] ? __mutex_lock+0x811/0xb10
[ 1512.573185][ C0] _raw_spin_lock+0x67/0x80
[ 1512.573418][ C0] __mutex_lock+0x33e/0xb10
[ 1512.573654][ C0] ? __lock_release+0x40f/0x880
[ 1512.573905][ C0] ? __pfx___lock_release+0x10/0x10
[ 1512.574171][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1512.574474][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1512.574732][ C0] ? __pfx___up_read+0x10/0x10
[ 1512.574978][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1512.575251][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1512.575526][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1512.575819][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1512.576119][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1512.576408][ C0] __tcf_action_put+0x3d/0xf0
[ 1512.576653][ C0] tcf_action_destroy+0x43/0x130
[ 1512.576908][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1512.577151][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1512.577476][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1512.577752][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1512.578056][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1512.578364][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1512.578652][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1512.578968][ C0] ? __lock_release+0x40f/0x880
[ 1512.579219][ C0] ? __mutex_lock+0x26e/0xb10
[ 1512.579468][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1512.579753][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1512.580064][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1512.580373][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1512.580624][ C0] tcf_chain_flush+0x1e0/0x320
[ 1512.580871][ C0] __tcf_block_put+0x113/0x270
[ 1512.581118][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1512.581428][ C0] __qdisc_destroy+0xee/0x340
[ 1512.581672][ C0] dev_shutdown+0x129/0x350
[ 1512.581905][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1512.582231][ C0] ? rtnl_is_locked+0x15/0x20
[ 1512.582476][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1512.582795][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1512.583138][ C0] ? mutex_is_locked+0x17/0x50
[ 1512.583386][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1512.583692][ C0] cleanup_net+0x4cf/0xb60
[ 1512.583920][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1512.584215][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1512.584472][ C0] ? lock_acquire+0x1c1/0x220
[ 1512.584711][ C0] ? process_one_work+0x714/0x1310
[ 1512.584977][ C0] process_one_work+0x78c/0x1310
[ 1512.585232][ C0] ? hlock_class+0x4e/0x130
[ 1512.585469][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1512.585746][ C0] ? assign_work+0x16c/0x240
[ 1512.585984][ C0] worker_thread+0x73d/0x1010
[ 1512.586228][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1512.586566][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1512.586829][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1512.587091][ C0] kthread+0x28f/0x360
[ 1512.587301][ C0] ? __pfx_kthread+0x10/0x10
[ 1512.587541][ C0] ret_from_fork+0x31/0x70
[ 1512.587771][ C0] ? __pfx_kthread+0x10/0x10
[ 1512.588008][ C0] ret_from_fork_asm+0x1b/0x30
[ 1512.588265][ C0]
[ 1532.481326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1532.481702][ C0] rcu: 0-....: (961070 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=209719
[ 1532.482259][ C0] rcu: (t=962437 jiffies g=477977 q=5782 ncpus=4)
[ 1532.482597][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1532.483076][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1532.483699][ C0] Workqueue: netns cleanup_net
[ 1532.483952][ C0] RIP: 0010:__kasan_check_read+0x0/0x20
[ 1532.484242][ C0] Code: 48 c7 c7 b0 c2 3e 91 5b 5d 41 5c e9 9a b3 9b ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 af ef ff ff 66 66 2e 0f 1f
[ 1532.485226][ C0] RSP: 0018:ffffc9000051f3d8 EFLAGS: 00000206
[ 1532.485540][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1532.485944][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1532.486349][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1532.486753][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1532.487159][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1532.487564][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1532.488024][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1532.488361][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1532.488766][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1532.489172][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1532.489580][ C0] PKRU: 55555554
[ 1532.489764][ C0] Call Trace:
[ 1532.489937][ C0]
[ 1532.490088][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1532.490367][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1532.490624][ C0] ? check_cpu_stall+0x284/0x500
[ 1532.490882][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1532.491171][ C0] ? rcu_pending+0x92/0x360
[ 1532.491408][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1532.491680][ C0] ? update_process_times+0xb9/0x110
[ 1532.491953][ C0] ? tick_sched_handle+0x67/0x130
[ 1532.492214][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1532.492506][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1532.492752][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1532.493067][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1532.493345][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1532.493636][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1532.493904][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1532.494217][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1532.494483][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1532.494796][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1532.495099][ C0]
[ 1532.495251][ C0]
[ 1532.495404][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1532.495726][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1532.496028][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 1532.496311][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1532.496597][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1532.496913][ C0] ? __pfx___schedule+0x10/0x10
[ 1532.497166][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1532.497423][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1532.497699][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1532.497993][ C0] ? lock_acquire+0x1c1/0x220
[ 1532.498236][ C0] ? __mutex_lock+0x33e/0xb10
[ 1532.498480][ C0] ? __mutex_lock+0x811/0xb10
[ 1532.498722][ C0] _raw_spin_lock+0x67/0x80
[ 1532.498957][ C0] __mutex_lock+0x33e/0xb10
[ 1532.499190][ C0] ? __lock_release+0x40f/0x880
[ 1532.499441][ C0] ? __pfx___lock_release+0x10/0x10
[ 1532.499709][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1532.500011][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1532.500269][ C0] ? __pfx___up_read+0x10/0x10
[ 1532.500518][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1532.500790][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1532.501063][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1532.501362][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1532.501659][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1532.501957][ C0] __tcf_action_put+0x3d/0xf0
[ 1532.502201][ C0] tcf_action_destroy+0x43/0x130
[ 1532.502457][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1532.502699][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1532.503023][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1532.503299][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1532.503606][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1532.503904][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1532.504196][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1532.504512][ C0] ? __lock_release+0x40f/0x880
[ 1532.504763][ C0] ? __mutex_lock+0x26e/0xb10
[ 1532.505006][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1532.505293][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1532.505604][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1532.505914][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1532.506166][ C0] tcf_chain_flush+0x1e0/0x320
[ 1532.506416][ C0] __tcf_block_put+0x113/0x270
[ 1532.506670][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1532.506976][ C0] __qdisc_destroy+0xee/0x340
[ 1532.507220][ C0] dev_shutdown+0x129/0x350
[ 1532.507457][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1532.507784][ C0] ? rtnl_is_locked+0x15/0x20
[ 1532.508031][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1532.508353][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1532.508700][ C0] ? mutex_is_locked+0x17/0x50
[ 1532.508945][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1532.509252][ C0] cleanup_net+0x4cf/0xb60
[ 1532.509485][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1532.509772][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1532.510027][ C0] ? lock_acquire+0x1c1/0x220
[ 1532.510269][ C0] ? process_one_work+0x714/0x1310
[ 1532.510536][ C0] process_one_work+0x78c/0x1310
[ 1532.510792][ C0] ? hlock_class+0x4e/0x130
[ 1532.511026][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1532.511305][ C0] ? assign_work+0x16c/0x240
[ 1532.511542][ C0] worker_thread+0x73d/0x1010
[ 1532.511787][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1532.512123][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1532.512386][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1532.512650][ C0] kthread+0x28f/0x360
[ 1532.512863][ C0] ? __pfx_kthread+0x10/0x10
[ 1532.513099][ C0] ret_from_fork+0x31/0x70
[ 1532.513335][ C0] ? __pfx_kthread+0x10/0x10
[ 1532.513575][ C0] ret_from_fork_asm+0x1b/0x30
[ 1532.513825][ C0]
[ 1556.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 920s! [kworker/u8:1:71]
[ 1556.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1556.556979][ C0] irq event stamp: 164379
[ 1556.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1556.557679][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1556.558163][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1556.558639][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1556.559109][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1556.559592][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1556.560211][ C0] Workqueue: netns cleanup_net
[ 1556.560463][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1556.560730][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1556.561712][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1556.562023][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1556.562427][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1556.562832][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1556.563235][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1556.563640][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1556.564043][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1556.564496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1556.564833][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1556.565240][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1556.565645][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1556.566047][ C0] PKRU: 55555554
[ 1556.566232][ C0] Call Trace:
[ 1556.566407][ C0]
[ 1556.566557][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1556.566824][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1556.567073][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1556.567354][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1556.567632][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1556.567929][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1556.568200][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1556.568512][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1556.568778][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1556.569092][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1556.569393][ C0]
[ 1556.569545][ C0]
[ 1556.569696][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1556.570016][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1556.570316][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1556.570615][ C0] ? kasan_report+0xd2/0xf0
[ 1556.570854][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1556.571143][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1556.571460][ C0] ? __pfx___schedule+0x10/0x10
[ 1556.571714][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1556.571968][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1556.572242][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1556.572535][ C0] ? lock_acquire+0x1c1/0x220
[ 1556.572775][ C0] ? __mutex_lock+0x33e/0xb10
[ 1556.573017][ C0] ? __mutex_lock+0x811/0xb10
[ 1556.573260][ C0] _raw_spin_lock+0x67/0x80
[ 1556.573497][ C0] __mutex_lock+0x33e/0xb10
[ 1556.573729][ C0] ? __lock_release+0x40f/0x880
[ 1556.573979][ C0] ? __pfx___lock_release+0x10/0x10
[ 1556.574245][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1556.574549][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1556.574808][ C0] ? __pfx___up_read+0x10/0x10
[ 1556.575057][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1556.575328][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1556.575603][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1556.575899][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1556.576197][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1556.576488][ C0] __tcf_action_put+0x3d/0xf0
[ 1556.576731][ C0] tcf_action_destroy+0x43/0x130
[ 1556.576988][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1556.577231][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1556.577555][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1556.577832][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1556.578143][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1556.578442][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1556.578734][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1556.579049][ C0] ? __lock_release+0x40f/0x880
[ 1556.579307][ C0] ? __mutex_lock+0x26e/0xb10
[ 1556.579552][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1556.579837][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1556.580149][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1556.580460][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1556.580712][ C0] tcf_chain_flush+0x1e0/0x320
[ 1556.580959][ C0] __tcf_block_put+0x113/0x270
[ 1556.581205][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1556.581515][ C0] __qdisc_destroy+0xee/0x340
[ 1556.581760][ C0] dev_shutdown+0x129/0x350
[ 1556.581994][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1556.582320][ C0] ? rtnl_is_locked+0x15/0x20
[ 1556.582564][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1556.582883][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1556.583231][ C0] ? mutex_is_locked+0x17/0x50
[ 1556.583479][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1556.583786][ C0] cleanup_net+0x4cf/0xb60
[ 1556.584016][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1556.584305][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1556.584562][ C0] ? lock_acquire+0x1c1/0x220
[ 1556.584808][ C0] ? process_one_work+0x714/0x1310
[ 1556.585074][ C0] process_one_work+0x78c/0x1310
[ 1556.585336][ C0] ? hlock_class+0x4e/0x130
[ 1556.585569][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1556.585847][ C0] ? assign_work+0x16c/0x240
[ 1556.586087][ C0] worker_thread+0x73d/0x1010
[ 1556.586331][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1556.586669][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1556.586933][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1556.587194][ C0] kthread+0x28f/0x360
[ 1556.587406][ C0] ? __pfx_kthread+0x10/0x10
[ 1556.587643][ C0] ret_from_fork+0x31/0x70
[ 1556.587879][ C0] ? __pfx_kthread+0x10/0x10
[ 1556.588116][ C0] ret_from_fork_asm+0x1b/0x30
[ 1556.588369][ C0]
[ 1584.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 946s! [kworker/u8:1:71]
[ 1584.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1584.556975][ C0] irq event stamp: 164379
[ 1584.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1584.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1584.558161][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1584.558636][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1584.559105][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1584.559586][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1584.560205][ C0] Workqueue: netns cleanup_net
[ 1584.560455][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1584.560728][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1584.561710][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 1584.562022][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1584.562426][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1584.562832][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1584.563235][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1584.563644][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1584.564046][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1584.564501][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1584.564841][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1584.565251][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1584.565662][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1584.566067][ C0] PKRU: 55555554
[ 1584.566250][ C0] Call Trace:
[ 1584.566426][ C0]
[ 1584.566576][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1584.566844][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1584.567092][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1584.567374][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1584.567656][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1584.567952][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1584.568219][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1584.568532][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1584.568803][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1584.569117][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1584.569421][ C0]
[ 1584.569572][ C0]
[ 1584.569723][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1584.570043][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1584.570345][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1584.570644][ C0] ? report_enabled+0x19/0x30
[ 1584.570886][ C0] kasan_report+0x41/0xf0
[ 1584.571112][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1584.571406][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1584.571695][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1584.572011][ C0] ? __pfx___schedule+0x10/0x10
[ 1584.572264][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1584.572521][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1584.572797][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1584.573085][ C0] ? lock_acquire+0x1c1/0x220
[ 1584.573328][ C0] ? __mutex_lock+0x33e/0xb10
[ 1584.573571][ C0] ? __mutex_lock+0x811/0xb10
[ 1584.573812][ C0] _raw_spin_lock+0x67/0x80
[ 1584.574047][ C0] __mutex_lock+0x33e/0xb10
[ 1584.574280][ C0] ? __lock_release+0x40f/0x880
[ 1584.574531][ C0] ? __pfx___lock_release+0x10/0x10
[ 1584.574799][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1584.575100][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1584.575360][ C0] ? __pfx___up_read+0x10/0x10
[ 1584.575609][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1584.575880][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1584.576153][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1584.576451][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1584.576749][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1584.577041][ C0] __tcf_action_put+0x3d/0xf0
[ 1584.577285][ C0] tcf_action_destroy+0x43/0x130
[ 1584.577541][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1584.577788][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1584.578112][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1584.578392][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1584.578697][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1584.578994][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1584.579286][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1584.579603][ C0] ? __lock_release+0x40f/0x880
[ 1584.579854][ C0] ? __mutex_lock+0x26e/0xb10
[ 1584.580097][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1584.580387][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1584.580698][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1584.581006][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1584.581259][ C0] tcf_chain_flush+0x1e0/0x320
[ 1584.581510][ C0] __tcf_block_put+0x113/0x270
[ 1584.581759][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1584.582069][ C0] __qdisc_destroy+0xee/0x340
[ 1584.582315][ C0] dev_shutdown+0x129/0x350
[ 1584.582552][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1584.582879][ C0] ? rtnl_is_locked+0x15/0x20
[ 1584.583121][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1584.583443][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1584.583791][ C0] ? mutex_is_locked+0x17/0x50
[ 1584.584037][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1584.584345][ C0] cleanup_net+0x4cf/0xb60
[ 1584.584576][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1584.584867][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1584.585122][ C0] ? lock_acquire+0x1c1/0x220
[ 1584.585365][ C0] ? process_one_work+0x714/0x1310
[ 1584.585632][ C0] process_one_work+0x78c/0x1310
[ 1584.585890][ C0] ? hlock_class+0x4e/0x130
[ 1584.586124][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1584.586405][ C0] ? assign_work+0x16c/0x240
[ 1584.586642][ C0] worker_thread+0x73d/0x1010
[ 1584.586886][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1584.587223][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1584.587488][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1584.587758][ C0] kthread+0x28f/0x360
[ 1584.587971][ C0] ? __pfx_kthread+0x10/0x10
[ 1584.588211][ C0] ret_from_fork+0x31/0x70
[ 1584.588446][ C0] ? __pfx_kthread+0x10/0x10
[ 1584.588684][ C0] ret_from_fork_asm+0x1b/0x30
[ 1584.588936][ C0]
[ 1586.507345][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1016232 jiffies s: 1289 root: 0x1/.
[ 1586.508049][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1586.508442][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1586.508726][ C0] NMI backtrace for cpu 0
[ 1586.508731][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1586.508734][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1586.508737][ C0] Workqueue: netns cleanup_net
[ 1586.508743][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1586.508749][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1586.508752][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1586.508755][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1586.508756][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1586.508758][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1586.508760][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1586.508761][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1586.508763][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1586.508764][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1586.508767][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1586.508769][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1586.508770][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1586.508771][ C0] PKRU: 55555554
[ 1586.508772][ C0] Call Trace:
[ 1586.508775][ C0]
[ 1586.508777][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1586.508783][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1586.508788][ C0] ? nmi_handle+0x153/0x420
[ 1586.508794][ C0] ? default_do_nmi+0x41/0x100
[ 1586.508798][ C0] ? exc_nmi+0xf3/0x120
[ 1586.508800][ C0] ? end_repeat_nmi+0xf/0x60
[ 1586.508805][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1586.508808][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1586.508812][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1586.508815][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1586.508818][ C0]
[ 1586.508820][ C0]
[ 1586.508821][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1586.508825][ C0] ? __pfx___schedule+0x10/0x10
[ 1586.508831][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1586.508837][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1586.508840][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1586.508843][ C0] ? lock_acquire+0x1c1/0x220
[ 1586.508846][ C0] ? __mutex_lock+0x33e/0xb10
[ 1586.508849][ C0] ? __mutex_lock+0x811/0xb10
[ 1586.508852][ C0] _raw_spin_lock+0x67/0x80
[ 1586.508855][ C0] __mutex_lock+0x33e/0xb10
[ 1586.508858][ C0] ? __lock_release+0x40f/0x880
[ 1586.508861][ C0] ? __pfx___lock_release+0x10/0x10
[ 1586.508863][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1586.508869][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1586.508872][ C0] ? __pfx___up_read+0x10/0x10
[ 1586.508875][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1586.508879][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1586.508883][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1586.508889][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1586.508892][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1586.508896][ C0] __tcf_action_put+0x3d/0xf0
[ 1586.508901][ C0] tcf_action_destroy+0x43/0x130
[ 1586.508904][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1586.508907][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1586.508917][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1586.508926][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1586.508934][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1586.508943][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1586.508952][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1586.508960][ C0] ? __lock_release+0x40f/0x880
[ 1586.508963][ C0] ? __mutex_lock+0x26e/0xb10
[ 1586.508967][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1586.508976][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1586.508984][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1586.508989][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1586.508993][ C0] tcf_chain_flush+0x1e0/0x320
[ 1586.508997][ C0] __tcf_block_put+0x113/0x270
[ 1586.509001][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1586.509009][ C0] __qdisc_destroy+0xee/0x340
[ 1586.509013][ C0] dev_shutdown+0x129/0x350
[ 1586.509016][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1586.509021][ C0] ? rtnl_is_locked+0x15/0x20
[ 1586.509024][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1586.509027][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1586.509030][ C0] ? mutex_is_locked+0x17/0x50
[ 1586.509033][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1586.509038][ C0] cleanup_net+0x4cf/0xb60
[ 1586.509041][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1586.509043][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1586.509046][ C0] ? lock_acquire+0x1c1/0x220
[ 1586.509049][ C0] ? process_one_work+0x714/0x1310
[ 1586.509053][ C0] process_one_work+0x78c/0x1310
[ 1586.509057][ C0] ? hlock_class+0x4e/0x130
[ 1586.509060][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1586.509064][ C0] ? assign_work+0x16c/0x240
[ 1586.509067][ C0] worker_thread+0x73d/0x1010
[ 1586.509070][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1586.509074][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1586.509077][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1586.509080][ C0] kthread+0x28f/0x360
[ 1586.509082][ C0] ? __pfx_kthread+0x10/0x10
[ 1586.509085][ C0] ret_from_fork+0x31/0x70
[ 1586.509087][ C0] ? __pfx_kthread+0x10/0x10
[ 1586.509089][ C0] ret_from_fork_asm+0x1b/0x30
[ 1586.509098][ C0]
[ 1610.517326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1610.517707][ C0] rcu: 0-....: (1038985 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=226016
[ 1610.518271][ C0] rcu: (t=1040473 jiffies g=477977 q=5782 ncpus=4)
[ 1610.518611][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1610.519089][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1610.519713][ C0] Workqueue: netns cleanup_net
[ 1610.519966][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1610.520302][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1610.521288][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1610.521600][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1610.522005][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1610.522409][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1610.522811][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1610.523217][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1610.523623][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1610.524075][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1610.524412][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1610.524816][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1610.525222][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1610.525626][ C0] PKRU: 55555554
[ 1610.525810][ C0] Call Trace:
[ 1610.525981][ C0]
[ 1610.526135][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1610.526413][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1610.526669][ C0] ? check_cpu_stall+0x284/0x500
[ 1610.526924][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1610.527214][ C0] ? rcu_pending+0x92/0x360
[ 1610.527450][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1610.527729][ C0] ? update_process_times+0xb9/0x110
[ 1610.528004][ C0] ? tick_sched_handle+0x67/0x130
[ 1610.528263][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1610.528554][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1610.528798][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1610.529114][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1610.529393][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1610.529684][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1610.529953][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1610.530264][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1610.530535][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1610.530851][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1610.531152][ C0]
[ 1610.531305][ C0]
[ 1610.531458][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1610.531778][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1610.532079][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1610.532377][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1610.532694][ C0] ? __pfx___schedule+0x10/0x10
[ 1610.532947][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1610.533201][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1610.533477][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1610.533765][ C0] ? lock_acquire+0x1c1/0x220
[ 1610.534005][ C0] ? __mutex_lock+0x33e/0xb10
[ 1610.534249][ C0] ? __mutex_lock+0x811/0xb10
[ 1610.534493][ C0] _raw_spin_lock+0x67/0x80
[ 1610.534727][ C0] __mutex_lock+0x33e/0xb10
[ 1610.534960][ C0] ? __lock_release+0x40f/0x880
[ 1610.535210][ C0] ? __pfx___lock_release+0x10/0x10
[ 1610.535477][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1610.535780][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1610.536040][ C0] ? __pfx___up_read+0x10/0x10
[ 1610.536291][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1610.536564][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1610.536839][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1610.537135][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1610.537435][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1610.537730][ C0] __tcf_action_put+0x3d/0xf0
[ 1610.537974][ C0] tcf_action_destroy+0x43/0x130
[ 1610.538230][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1610.538473][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1610.538799][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1610.539076][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1610.539381][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1610.539678][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1610.539968][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1610.540281][ C0] ? __lock_release+0x40f/0x880
[ 1610.540534][ C0] ? __mutex_lock+0x26e/0xb10
[ 1610.540778][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1610.541063][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1610.541377][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1610.541686][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1610.541937][ C0] tcf_chain_flush+0x1e0/0x320
[ 1610.542183][ C0] __tcf_block_put+0x113/0x270
[ 1610.542432][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1610.542740][ C0] __qdisc_destroy+0xee/0x340
[ 1610.542985][ C0] dev_shutdown+0x129/0x350
[ 1610.543218][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1610.543545][ C0] ? rtnl_is_locked+0x15/0x20
[ 1610.543790][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1610.544108][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1610.544453][ C0] ? mutex_is_locked+0x17/0x50
[ 1610.544700][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1610.545007][ C0] cleanup_net+0x4cf/0xb60
[ 1610.545236][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1610.545528][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1610.545783][ C0] ? lock_acquire+0x1c1/0x220
[ 1610.546024][ C0] ? process_one_work+0x714/0x1310
[ 1610.546291][ C0] process_one_work+0x78c/0x1310
[ 1610.546546][ C0] ? hlock_class+0x4e/0x130
[ 1610.546781][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1610.547056][ C0] ? assign_work+0x16c/0x240
[ 1610.547297][ C0] worker_thread+0x73d/0x1010
[ 1610.547540][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1610.547883][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1610.548145][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1610.548409][ C0] kthread+0x28f/0x360
[ 1610.548619][ C0] ? __pfx_kthread+0x10/0x10
[ 1610.548859][ C0] ret_from_fork+0x31/0x70
[ 1610.549089][ C0] ? __pfx_kthread+0x10/0x10
[ 1610.549325][ C0] ret_from_fork_asm+0x1b/0x30
[ 1610.549579][ C0]
[ 1636.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 995s! [kworker/u8:1:71]
[ 1636.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1636.556979][ C0] irq event stamp: 164379
[ 1636.557200][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1636.557688][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1636.558168][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1636.558644][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1636.559116][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1636.559597][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1636.560219][ C0] Workqueue: netns cleanup_net
[ 1636.560472][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1636.560747][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1636.561731][ C0] RSP: 0018:ffffc9000051f310 EFLAGS: 00000247
[ 1636.562042][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1636.562448][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1636.562852][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1636.563258][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1636.563662][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1636.564065][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1636.564520][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1636.564856][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1636.565265][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1636.565669][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1636.566072][ C0] PKRU: 55555554
[ 1636.566256][ C0] Call Trace:
[ 1636.566433][ C0]
[ 1636.566583][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1636.566851][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1636.567099][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1636.567380][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1636.567664][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1636.567955][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1636.568225][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1636.568537][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1636.568802][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1636.569117][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1636.569417][ C0]
[ 1636.569570][ C0]
[ 1636.569722][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1636.570042][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1636.570337][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1636.570629][ C0] ? report_enabled+0x19/0x30
[ 1636.570873][ C0] kasan_report+0x41/0xf0
[ 1636.571098][ C0] kasan_check_range+0x39/0x1c0
[ 1636.571352][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1636.571637][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1636.571953][ C0] ? __pfx___schedule+0x10/0x10
[ 1636.572207][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1636.572466][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1636.572740][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1636.573031][ C0] ? lock_acquire+0x1c1/0x220
[ 1636.573273][ C0] ? __mutex_lock+0x33e/0xb10
[ 1636.573516][ C0] ? __mutex_lock+0x811/0xb10
[ 1636.573757][ C0] _raw_spin_lock+0x67/0x80
[ 1636.573992][ C0] __mutex_lock+0x33e/0xb10
[ 1636.574225][ C0] ? __lock_release+0x40f/0x880
[ 1636.574478][ C0] ? __pfx___lock_release+0x10/0x10
[ 1636.574744][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1636.575048][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1636.575308][ C0] ? __pfx___up_read+0x10/0x10
[ 1636.575559][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1636.575830][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1636.576104][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1636.576403][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1636.576701][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1636.576992][ C0] __tcf_action_put+0x3d/0xf0
[ 1636.577236][ C0] tcf_action_destroy+0x43/0x130
[ 1636.577502][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1636.577745][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1636.578072][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1636.578349][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1636.578655][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1636.578952][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1636.579246][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1636.579565][ C0] ? __lock_release+0x40f/0x880
[ 1636.579816][ C0] ? __mutex_lock+0x26e/0xb10
[ 1636.580059][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1636.580348][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1636.580660][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1636.580971][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1636.581224][ C0] tcf_chain_flush+0x1e0/0x320
[ 1636.581474][ C0] __tcf_block_put+0x113/0x270
[ 1636.581721][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1636.582028][ C0] __qdisc_destroy+0xee/0x340
[ 1636.582276][ C0] dev_shutdown+0x129/0x350
[ 1636.582515][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1636.582842][ C0] ? rtnl_is_locked+0x15/0x20
[ 1636.583084][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1636.583405][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1636.583752][ C0] ? mutex_is_locked+0x17/0x50
[ 1636.583996][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1636.584305][ C0] cleanup_net+0x4cf/0xb60
[ 1636.584539][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1636.584826][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1636.585081][ C0] ? lock_acquire+0x1c1/0x220
[ 1636.585324][ C0] ? process_one_work+0x714/0x1310
[ 1636.585591][ C0] process_one_work+0x78c/0x1310
[ 1636.585848][ C0] ? hlock_class+0x4e/0x130
[ 1636.586081][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1636.586363][ C0] ? assign_work+0x16c/0x240
[ 1636.586600][ C0] worker_thread+0x73d/0x1010
[ 1636.586844][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1636.587181][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1636.587446][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1636.587715][ C0] kthread+0x28f/0x360
[ 1636.587928][ C0] ? __pfx_kthread+0x10/0x10
[ 1636.588164][ C0] ret_from_fork+0x31/0x70
[ 1636.588398][ C0] ? __pfx_kthread+0x10/0x10
[ 1636.588636][ C0] ret_from_fork_asm+0x1b/0x30
[ 1636.588888][ C0]
[ 1664.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1021s! [kworker/u8:1:71]
[ 1664.556271][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1664.556980][ C0] irq event stamp: 164379
[ 1664.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1664.557686][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1664.558163][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1664.558637][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1664.559105][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1664.559586][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1664.560204][ C0] Workqueue: netns cleanup_net
[ 1664.560455][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1664.560728][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1664.561712][ C0] RSP: 0018:ffffc9000051f310 EFLAGS: 00000247
[ 1664.562023][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1664.562429][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1664.562834][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1664.563237][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1664.563640][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1664.564043][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1664.564497][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1664.564835][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1664.565240][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1664.565643][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1664.566047][ C0] PKRU: 55555554
[ 1664.566228][ C0] Call Trace:
[ 1664.566406][ C0]
[ 1664.566555][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1664.566825][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1664.567072][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1664.567361][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1664.567637][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1664.567927][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1664.568197][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1664.568509][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1664.568774][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1664.569095][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1664.569394][ C0]
[ 1664.569545][ C0]
[ 1664.569697][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1664.570015][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1664.570312][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1664.570605][ C0] ? report_enabled+0x19/0x30
[ 1664.570846][ C0] kasan_report+0x41/0xf0
[ 1664.571074][ C0] kasan_check_range+0x39/0x1c0
[ 1664.571326][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1664.571615][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1664.571931][ C0] ? __pfx___schedule+0x10/0x10
[ 1664.572184][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1664.572439][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1664.572715][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1664.573002][ C0] ? lock_acquire+0x1c1/0x220
[ 1664.573244][ C0] ? __mutex_lock+0x33e/0xb10
[ 1664.573489][ C0] ? __mutex_lock+0x811/0xb10
[ 1664.573729][ C0] _raw_spin_lock+0x67/0x80
[ 1664.573964][ C0] __mutex_lock+0x33e/0xb10
[ 1664.574198][ C0] ? __lock_release+0x40f/0x880
[ 1664.574454][ C0] ? __pfx___lock_release+0x10/0x10
[ 1664.574725][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1664.575025][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1664.575284][ C0] ? __pfx___up_read+0x10/0x10
[ 1664.575533][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1664.575802][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1664.576077][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1664.576373][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1664.576673][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1664.576961][ C0] __tcf_action_put+0x3d/0xf0
[ 1664.577207][ C0] tcf_action_destroy+0x43/0x130
[ 1664.577469][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1664.577710][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1664.578032][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1664.578309][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1664.578614][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1664.578913][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1664.579202][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1664.579519][ C0] ? __lock_release+0x40f/0x880
[ 1664.579770][ C0] ? __mutex_lock+0x26e/0xb10
[ 1664.580012][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1664.580298][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1664.580610][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1664.580917][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1664.581168][ C0] tcf_chain_flush+0x1e0/0x320
[ 1664.581417][ C0] __tcf_block_put+0x113/0x270
[ 1664.581666][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1664.581973][ C0] __qdisc_destroy+0xee/0x340
[ 1664.582216][ C0] dev_shutdown+0x129/0x350
[ 1664.582455][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1664.582782][ C0] ? rtnl_is_locked+0x15/0x20
[ 1664.583027][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1664.583346][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1664.583692][ C0] ? mutex_is_locked+0x17/0x50
[ 1664.583938][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1664.584242][ C0] cleanup_net+0x4cf/0xb60
[ 1664.584474][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1664.584759][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1664.585014][ C0] ? lock_acquire+0x1c1/0x220
[ 1664.585256][ C0] ? process_one_work+0x714/0x1310
[ 1664.585523][ C0] process_one_work+0x78c/0x1310
[ 1664.585778][ C0] ? hlock_class+0x4e/0x130
[ 1664.586012][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1664.586288][ C0] ? assign_work+0x16c/0x240
[ 1664.586529][ C0] worker_thread+0x73d/0x1010
[ 1664.586769][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1664.587106][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1664.587375][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1664.587637][ C0] kthread+0x28f/0x360
[ 1664.587847][ C0] ? __pfx_kthread+0x10/0x10
[ 1664.588089][ C0] ret_from_fork+0x31/0x70
[ 1664.588320][ C0] ? __pfx_kthread+0x10/0x10
[ 1664.588559][ C0] ret_from_fork_asm+0x1b/0x30
[ 1664.588810][ C0]
[ 1684.811347][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1114536 jiffies s: 1289 root: 0x1/.
[ 1684.812009][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1684.812389][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1684.812672][ C0] NMI backtrace for cpu 0
[ 1684.812678][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1684.812682][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1684.812685][ C0] Workqueue: netns cleanup_net
[ 1684.812695][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 1684.812702][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 1684.812704][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1684.812707][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1684.812709][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1684.812711][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1684.812712][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1684.812713][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1684.812715][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1684.812717][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1684.812720][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1684.812721][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1684.812722][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1684.812724][ C0] PKRU: 55555554
[ 1684.812725][ C0] Call Trace:
[ 1684.812729][ C0]
[ 1684.812732][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1684.812739][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1684.812745][ C0] ? nmi_handle+0x153/0x420
[ 1684.812750][ C0] ? default_do_nmi+0x41/0x100
[ 1684.812756][ C0] ? exc_nmi+0xf3/0x120
[ 1684.812759][ C0] ? end_repeat_nmi+0xf/0x60
[ 1684.812764][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1684.812770][ C0] ? kasan_report+0x22/0xf0
[ 1684.812773][ C0] ? kasan_report+0x22/0xf0
[ 1684.812776][ C0] ? kasan_report+0x22/0xf0
[ 1684.812779][ C0]
[ 1684.812780][ C0]
[ 1684.812784][ C0] kasan_check_range+0x39/0x1c0
[ 1684.812789][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1684.812793][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1684.812798][ C0] ? __pfx___schedule+0x10/0x10
[ 1684.812803][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1684.812810][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1684.812813][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1684.812816][ C0] ? lock_acquire+0x1c1/0x220
[ 1684.812819][ C0] ? __mutex_lock+0x33e/0xb10
[ 1684.812823][ C0] ? __mutex_lock+0x811/0xb10
[ 1684.812826][ C0] _raw_spin_lock+0x67/0x80
[ 1684.812830][ C0] __mutex_lock+0x33e/0xb10
[ 1684.812833][ C0] ? __lock_release+0x40f/0x880
[ 1684.812836][ C0] ? __pfx___lock_release+0x10/0x10
[ 1684.812838][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1684.812845][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1684.812848][ C0] ? __pfx___up_read+0x10/0x10
[ 1684.812853][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1684.812856][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1684.812862][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1684.812869][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1684.812872][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1684.812876][ C0] __tcf_action_put+0x3d/0xf0
[ 1684.812882][ C0] tcf_action_destroy+0x43/0x130
[ 1684.812886][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1684.812890][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1684.812901][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1684.812910][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1684.812918][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1684.812927][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1684.812936][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1684.812944][ C0] ? __lock_release+0x40f/0x880
[ 1684.812947][ C0] ? __mutex_lock+0x26e/0xb10
[ 1684.812951][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1684.812960][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1684.812969][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1684.812973][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1684.812977][ C0] tcf_chain_flush+0x1e0/0x320
[ 1684.812981][ C0] __tcf_block_put+0x113/0x270
[ 1684.812986][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1684.812994][ C0] __qdisc_destroy+0xee/0x340
[ 1684.812998][ C0] dev_shutdown+0x129/0x350
[ 1684.813002][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1684.813007][ C0] ? rtnl_is_locked+0x15/0x20
[ 1684.813011][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1684.813014][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1684.813018][ C0] ? mutex_is_locked+0x17/0x50
[ 1684.813021][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1684.813028][ C0] cleanup_net+0x4cf/0xb60
[ 1684.813031][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1684.813034][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1684.813038][ C0] ? lock_acquire+0x1c1/0x220
[ 1684.813040][ C0] ? process_one_work+0x714/0x1310
[ 1684.813045][ C0] process_one_work+0x78c/0x1310
[ 1684.813050][ C0] ? hlock_class+0x4e/0x130
[ 1684.813054][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1684.813058][ C0] ? assign_work+0x16c/0x240
[ 1684.813062][ C0] worker_thread+0x73d/0x1010
[ 1684.813065][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1684.813069][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1684.813072][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1684.813074][ C0] kthread+0x28f/0x360
[ 1684.813078][ C0] ? __pfx_kthread+0x10/0x10
[ 1684.813080][ C0] ret_from_fork+0x31/0x70
[ 1684.813084][ C0] ? __pfx_kthread+0x10/0x10
[ 1684.813086][ C0] ret_from_fork_asm+0x1b/0x30
[ 1684.813095][ C0]
[ 1688.553326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1688.553695][ C0] rcu: 0-....: (1116900 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=242250
[ 1688.554258][ C0] rcu: (t=1118509 jiffies g=477977 q=5795 ncpus=4)
[ 1688.554599][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1688.555076][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1688.555700][ C0] Workqueue: netns cleanup_net
[ 1688.555954][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1688.556221][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1688.557207][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1688.557527][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1688.557931][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1688.558334][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1688.558739][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1688.559142][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1688.559546][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1688.559998][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1688.560334][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1688.560740][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1688.561144][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1688.561548][ C0] PKRU: 55555554
[ 1688.561732][ C0] Call Trace:
[ 1688.561908][ C0]
[ 1688.562057][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1688.562336][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1688.562592][ C0] ? check_cpu_stall+0x284/0x500
[ 1688.562845][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1688.563136][ C0] ? rcu_pending+0x92/0x360
[ 1688.563371][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1688.563646][ C0] ? update_process_times+0xb9/0x110
[ 1688.563920][ C0] ? tick_sched_handle+0x67/0x130
[ 1688.564181][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1688.564470][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1688.564716][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1688.565031][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1688.565310][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1688.565601][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1688.565871][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1688.566180][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1688.566445][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1688.566760][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1688.567064][ C0]
[ 1688.567215][ C0]
[ 1688.567373][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1688.567692][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1688.567993][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1688.568292][ C0] ? kasan_report+0xd2/0xf0
[ 1688.568527][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1688.568827][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1688.569114][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1688.569432][ C0] ? __pfx___schedule+0x10/0x10
[ 1688.569684][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1688.569938][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1688.570213][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1688.570502][ C0] ? lock_acquire+0x1c1/0x220
[ 1688.570741][ C0] ? __mutex_lock+0x33e/0xb10
[ 1688.570985][ C0] ? __mutex_lock+0x811/0xb10
[ 1688.571227][ C0] _raw_spin_lock+0x67/0x80
[ 1688.571460][ C0] __mutex_lock+0x33e/0xb10
[ 1688.571694][ C0] ? __lock_release+0x40f/0x880
[ 1688.571948][ C0] ? __pfx___lock_release+0x10/0x10
[ 1688.572217][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1688.572519][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1688.572779][ C0] ? __pfx___up_read+0x10/0x10
[ 1688.573026][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1688.573297][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1688.573572][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1688.573864][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1688.574164][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1688.574453][ C0] __tcf_action_put+0x3d/0xf0
[ 1688.574697][ C0] tcf_action_destroy+0x43/0x130
[ 1688.574952][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1688.575194][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1688.575520][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1688.575796][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1688.576099][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1688.576396][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1688.576685][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1688.576999][ C0] ? __lock_release+0x40f/0x880
[ 1688.577255][ C0] ? __mutex_lock+0x26e/0xb10
[ 1688.577501][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1688.577785][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1688.578096][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1688.578406][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1688.578657][ C0] tcf_chain_flush+0x1e0/0x320
[ 1688.578902][ C0] __tcf_block_put+0x113/0x270
[ 1688.579149][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1688.579459][ C0] __qdisc_destroy+0xee/0x340
[ 1688.579702][ C0] dev_shutdown+0x129/0x350
[ 1688.579935][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1688.580261][ C0] ? rtnl_is_locked+0x15/0x20
[ 1688.580506][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1688.580824][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1688.581167][ C0] ? mutex_is_locked+0x17/0x50
[ 1688.581414][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1688.581720][ C0] cleanup_net+0x4cf/0xb60
[ 1688.581952][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1688.582241][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1688.582496][ C0] ? lock_acquire+0x1c1/0x220
[ 1688.582736][ C0] ? process_one_work+0x714/0x1310
[ 1688.583000][ C0] process_one_work+0x78c/0x1310
[ 1688.583256][ C0] ? hlock_class+0x4e/0x130
[ 1688.583492][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1688.583767][ C0] ? assign_work+0x16c/0x240
[ 1688.584006][ C0] worker_thread+0x73d/0x1010
[ 1688.584252][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1688.584593][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1688.584858][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1688.585120][ C0] kthread+0x28f/0x360
[ 1688.585331][ C0] ? __pfx_kthread+0x10/0x10
[ 1688.585570][ C0] ret_from_fork+0x31/0x70
[ 1688.585801][ C0] ? __pfx_kthread+0x10/0x10
[ 1688.586035][ C0] ret_from_fork_asm+0x1b/0x30
[ 1688.586288][ C0]
[ 1712.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1065s! [kworker/u8:1:71]
[ 1712.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1712.556972][ C0] irq event stamp: 164379
[ 1712.557203][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1712.557681][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1712.558162][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1712.558641][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1712.559113][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1712.559593][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1712.560220][ C0] Workqueue: netns cleanup_net
[ 1712.560471][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 1712.560737][ C0] Code: 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 <85> c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7
[ 1712.561723][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1712.562035][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1712.562441][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1712.562845][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1712.563248][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1712.563661][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1712.564065][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1712.564520][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1712.564857][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1712.565262][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1712.565670][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1712.566074][ C0] PKRU: 55555554
[ 1712.566259][ C0] Call Trace:
[ 1712.566433][ C0]
[ 1712.566585][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1712.566854][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1712.567103][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1712.567391][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1712.567667][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1712.567962][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1712.568232][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1712.568545][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1712.568811][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1712.569126][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1712.569427][ C0]
[ 1712.569580][ C0]
[ 1712.569733][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1712.570055][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1712.570355][ C0] ? kasan_report+0x29/0xf0
[ 1712.570593][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1712.570883][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1712.571199][ C0] ? __pfx___schedule+0x10/0x10
[ 1712.571454][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1712.571714][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1712.571989][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1712.572279][ C0] ? lock_acquire+0x1c1/0x220
[ 1712.572520][ C0] ? __mutex_lock+0x33e/0xb10
[ 1712.572765][ C0] ? __mutex_lock+0x811/0xb10
[ 1712.573006][ C0] _raw_spin_lock+0x67/0x80
[ 1712.573241][ C0] __mutex_lock+0x33e/0xb10
[ 1712.573476][ C0] ? __lock_release+0x40f/0x880
[ 1712.573727][ C0] ? __pfx___lock_release+0x10/0x10
[ 1712.573993][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1712.574294][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1712.574554][ C0] ? __pfx___up_read+0x10/0x10
[ 1712.574806][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1712.575077][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1712.575358][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1712.575655][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1712.575958][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1712.576249][ C0] __tcf_action_put+0x3d/0xf0
[ 1712.576495][ C0] tcf_action_destroy+0x43/0x130
[ 1712.576751][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1712.576995][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1712.577327][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1712.577606][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1712.577911][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1712.578208][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1712.578501][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1712.578814][ C0] ? __lock_release+0x40f/0x880
[ 1712.579066][ C0] ? __mutex_lock+0x26e/0xb10
[ 1712.579310][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1712.579597][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1712.579910][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1712.580219][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1712.580472][ C0] tcf_chain_flush+0x1e0/0x320
[ 1712.580719][ C0] __tcf_block_put+0x113/0x270
[ 1712.580966][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1712.581276][ C0] __qdisc_destroy+0xee/0x340
[ 1712.581522][ C0] dev_shutdown+0x129/0x350
[ 1712.581754][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1712.582082][ C0] ? rtnl_is_locked+0x15/0x20
[ 1712.582328][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1712.582650][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1712.582993][ C0] ? mutex_is_locked+0x17/0x50
[ 1712.583241][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1712.583551][ C0] cleanup_net+0x4cf/0xb60
[ 1712.583780][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1712.584069][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1712.584325][ C0] ? lock_acquire+0x1c1/0x220
[ 1712.584567][ C0] ? process_one_work+0x714/0x1310
[ 1712.584833][ C0] process_one_work+0x78c/0x1310
[ 1712.585089][ C0] ? hlock_class+0x4e/0x130
[ 1712.585322][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1712.585600][ C0] ? assign_work+0x16c/0x240
[ 1712.585839][ C0] worker_thread+0x73d/0x1010
[ 1712.586082][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1712.586421][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1712.586684][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1712.586946][ C0] kthread+0x28f/0x360
[ 1712.587163][ C0] ? __pfx_kthread+0x10/0x10
[ 1712.587403][ C0] ret_from_fork+0x31/0x70
[ 1712.587634][ C0] ? __pfx_kthread+0x10/0x10
[ 1712.587869][ C0] ret_from_fork_asm+0x1b/0x30
[ 1712.588123][ C0]
[ 1740.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1092s! [kworker/u8:1:71]
[ 1740.556272][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1740.556981][ C0] irq event stamp: 164379
[ 1740.557207][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1740.557688][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1740.558165][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1740.558638][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1740.559109][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1740.559588][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1740.560206][ C0] Workqueue: netns cleanup_net
[ 1740.560457][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1740.560723][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1740.561706][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1740.562016][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1740.562422][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1740.562826][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1740.563228][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1740.563630][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1740.564034][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1740.564487][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1740.564823][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1740.565226][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1740.565629][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1740.566034][ C0] PKRU: 55555554
[ 1740.566216][ C0] Call Trace:
[ 1740.566391][ C0]
[ 1740.566541][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1740.566807][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1740.567057][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1740.567340][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1740.567615][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1740.567905][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1740.568177][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1740.568486][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1740.568753][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1740.569069][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1740.569374][ C0]
[ 1740.569527][ C0]
[ 1740.569679][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1740.569998][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1740.570292][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1740.570586][ C0] ? kasan_report+0xd2/0xf0
[ 1740.570824][ C0] kasan_check_range+0x39/0x1c0
[ 1740.571078][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1740.571363][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1740.571679][ C0] ? __pfx___schedule+0x10/0x10
[ 1740.571931][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1740.572186][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1740.572461][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1740.572750][ C0] ? lock_acquire+0x1c1/0x220
[ 1740.572989][ C0] ? __mutex_lock+0x33e/0xb10
[ 1740.573234][ C0] ? __mutex_lock+0x811/0xb10
[ 1740.573477][ C0] _raw_spin_lock+0x67/0x80
[ 1740.573709][ C0] __mutex_lock+0x33e/0xb10
[ 1740.573943][ C0] ? __lock_release+0x40f/0x880
[ 1740.574193][ C0] ? __pfx___lock_release+0x10/0x10
[ 1740.574461][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1740.574763][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1740.575022][ C0] ? __pfx___up_read+0x10/0x10
[ 1740.575269][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1740.575542][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1740.575816][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1740.576110][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1740.576412][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1740.576701][ C0] __tcf_action_put+0x3d/0xf0
[ 1740.576945][ C0] tcf_action_destroy+0x43/0x130
[ 1740.577205][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1740.577449][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1740.577773][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1740.578050][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1740.578356][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1740.578652][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1740.578942][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1740.579257][ C0] ? __lock_release+0x40f/0x880
[ 1740.579508][ C0] ? __mutex_lock+0x26e/0xb10
[ 1740.579752][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1740.580037][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1740.580349][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1740.580659][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1740.580910][ C0] tcf_chain_flush+0x1e0/0x320
[ 1740.581156][ C0] __tcf_block_put+0x113/0x270
[ 1740.581406][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1740.581714][ C0] __qdisc_destroy+0xee/0x340
[ 1740.581958][ C0] dev_shutdown+0x129/0x350
[ 1740.582191][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1740.582518][ C0] ? rtnl_is_locked+0x15/0x20
[ 1740.582763][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1740.583082][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1740.583427][ C0] ? mutex_is_locked+0x17/0x50
[ 1740.583674][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1740.583982][ C0] cleanup_net+0x4cf/0xb60
[ 1740.584215][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1740.584507][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1740.584762][ C0] ? lock_acquire+0x1c1/0x220
[ 1740.585002][ C0] ? process_one_work+0x714/0x1310
[ 1740.585266][ C0] process_one_work+0x78c/0x1310
[ 1740.585522][ C0] ? hlock_class+0x4e/0x130
[ 1740.585757][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1740.586032][ C0] ? assign_work+0x16c/0x240
[ 1740.586272][ C0] worker_thread+0x73d/0x1010
[ 1740.586516][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1740.586851][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1740.587120][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1740.587383][ C0] kthread+0x28f/0x360
[ 1740.587594][ C0] ? __pfx_kthread+0x10/0x10
[ 1740.587832][ C0] ret_from_fork+0x31/0x70
[ 1740.588062][ C0] ? __pfx_kthread+0x10/0x10
[ 1740.588297][ C0] ret_from_fork_asm+0x1b/0x30
[ 1740.588552][ C0]
[ 1766.590326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1766.590700][ C0] rcu: 0-....: (1194842 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=258759
[ 1766.591259][ C0] rcu: (t=1196546 jiffies g=477977 q=5801 ncpus=4)
[ 1766.591599][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1766.592078][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1766.592697][ C0] Workqueue: netns cleanup_net
[ 1766.592950][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 1766.593217][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 1766.594200][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1766.594513][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 1766.594916][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1766.595321][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1766.595725][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1766.596126][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1766.596533][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1766.596991][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1766.597329][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1766.597734][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1766.598137][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1766.598542][ C0] PKRU: 55555554
[ 1766.598725][ C0] Call Trace:
[ 1766.598900][ C0]
[ 1766.599049][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1766.599329][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1766.599586][ C0] ? check_cpu_stall+0x284/0x500
[ 1766.599839][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1766.600131][ C0] ? rcu_pending+0x92/0x360
[ 1766.600365][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1766.600638][ C0] ? update_process_times+0xb9/0x110
[ 1766.600911][ C0] ? tick_sched_handle+0x67/0x130
[ 1766.601171][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1766.601459][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1766.601705][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1766.602020][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1766.602295][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1766.602589][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1766.602858][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1766.603167][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1766.603432][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1766.603745][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1766.604044][ C0]
[ 1766.604196][ C0]
[ 1766.604350][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1766.604670][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1766.604961][ C0] ? kasan_report+0x19/0xf0
[ 1766.605197][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1766.605490][ C0] kasan_check_range+0x39/0x1c0
[ 1766.605743][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1766.606029][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1766.606345][ C0] ? __pfx___schedule+0x10/0x10
[ 1766.606596][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1766.606850][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1766.607132][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1766.607423][ C0] ? lock_acquire+0x1c1/0x220
[ 1766.607665][ C0] ? __mutex_lock+0x33e/0xb10
[ 1766.607906][ C0] ? __mutex_lock+0x811/0xb10
[ 1766.608147][ C0] _raw_spin_lock+0x67/0x80
[ 1766.608383][ C0] __mutex_lock+0x33e/0xb10
[ 1766.608615][ C0] ? __lock_release+0x40f/0x880
[ 1766.608864][ C0] ? __pfx___lock_release+0x10/0x10
[ 1766.609133][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1766.609434][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1766.609692][ C0] ? __pfx___up_read+0x10/0x10
[ 1766.609940][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1766.610210][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1766.610483][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1766.610782][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1766.611079][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1766.611371][ C0] __tcf_action_put+0x3d/0xf0
[ 1766.611615][ C0] tcf_action_destroy+0x43/0x130
[ 1766.611869][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1766.612111][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1766.612435][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1766.612712][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1766.613017][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1766.613314][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1766.613605][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1766.613920][ C0] ? __lock_release+0x40f/0x880
[ 1766.614170][ C0] ? __mutex_lock+0x26e/0xb10
[ 1766.614413][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1766.614700][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1766.615009][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1766.615317][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1766.615570][ C0] tcf_chain_flush+0x1e0/0x320
[ 1766.615817][ C0] __tcf_block_put+0x113/0x270
[ 1766.616065][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1766.616372][ C0] __qdisc_destroy+0xee/0x340
[ 1766.616615][ C0] dev_shutdown+0x129/0x350
[ 1766.616850][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1766.617179][ C0] ? rtnl_is_locked+0x15/0x20
[ 1766.617422][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1766.617740][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1766.618086][ C0] ? mutex_is_locked+0x17/0x50
[ 1766.618331][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1766.618638][ C0] cleanup_net+0x4cf/0xb60
[ 1766.618869][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1766.619155][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1766.619409][ C0] ? lock_acquire+0x1c1/0x220
[ 1766.619653][ C0] ? process_one_work+0x714/0x1310
[ 1766.619918][ C0] process_one_work+0x78c/0x1310
[ 1766.620174][ C0] ? hlock_class+0x4e/0x130
[ 1766.620409][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1766.620686][ C0] ? assign_work+0x16c/0x240
[ 1766.620924][ C0] worker_thread+0x73d/0x1010
[ 1766.621167][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1766.621503][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1766.621765][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1766.622029][ C0] kthread+0x28f/0x360
[ 1766.622241][ C0] ? __pfx_kthread+0x10/0x10
[ 1766.622477][ C0] ret_from_fork+0x31/0x70
[ 1766.622709][ C0] ? __pfx_kthread+0x10/0x10
[ 1766.622945][ C0] ret_from_fork_asm+0x1b/0x30
[ 1766.623197][ C0]
[ 1783.115348][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1212840 jiffies s: 1289 root: 0x1/.
[ 1783.116009][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1783.116394][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1783.116676][ C0] NMI backtrace for cpu 0
[ 1783.116681][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1783.116685][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1783.116689][ C0] Workqueue: netns cleanup_net
[ 1783.116698][ C0] RIP: 0010:__kasan_check_read+0x8/0x20
[ 1783.116705][ C0] Code: 5d 41 5c e9 9a b3 9b ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 af ef ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
[ 1783.116707][ C0] RSP: 0018:ffffc9000051f3d8 EFLAGS: 00000206
[ 1783.116710][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 1783.116712][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1783.116714][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1783.116715][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1783.116717][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1783.116718][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1783.116720][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1783.116723][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1783.116725][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1783.116726][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1783.116728][ C0] PKRU: 55555554
[ 1783.116729][ C0] Call Trace:
[ 1783.116732][ C0]
[ 1783.116736][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1783.116742][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1783.116748][ C0] ? nmi_handle+0x153/0x420
[ 1783.116753][ C0] ? default_do_nmi+0x41/0x100
[ 1783.116759][ C0] ? exc_nmi+0xf3/0x120
[ 1783.116762][ C0] ? end_repeat_nmi+0xf/0x60
[ 1783.116767][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1783.116772][ C0] ? __kasan_check_read+0x8/0x20
[ 1783.116780][ C0] ? __kasan_check_read+0x8/0x20
[ 1783.116783][ C0] ? __kasan_check_read+0x8/0x20
[ 1783.116786][ C0]
[ 1783.116787][ C0]
[ 1783.116788][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1783.116792][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1783.116796][ C0] ? __pfx___schedule+0x10/0x10
[ 1783.116801][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1783.116808][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1783.116811][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1783.116814][ C0] ? lock_acquire+0x1c1/0x220
[ 1783.116817][ C0] ? __mutex_lock+0x33e/0xb10
[ 1783.116821][ C0] ? __mutex_lock+0x811/0xb10
[ 1783.116824][ C0] _raw_spin_lock+0x67/0x80
[ 1783.116828][ C0] __mutex_lock+0x33e/0xb10
[ 1783.116831][ C0] ? __lock_release+0x40f/0x880
[ 1783.116834][ C0] ? __pfx___lock_release+0x10/0x10
[ 1783.116837][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1783.116843][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1783.116847][ C0] ? __pfx___up_read+0x10/0x10
[ 1783.116851][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1783.116854][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1783.116860][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1783.116867][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1783.116870][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1783.116875][ C0] __tcf_action_put+0x3d/0xf0
[ 1783.116881][ C0] tcf_action_destroy+0x43/0x130
[ 1783.116885][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1783.116888][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1783.116899][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1783.116908][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1783.116916][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1783.116925][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1783.116935][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1783.116942][ C0] ? __lock_release+0x40f/0x880
[ 1783.116946][ C0] ? __mutex_lock+0x26e/0xb10
[ 1783.116950][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1783.116959][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1783.116967][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1783.116972][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1783.116976][ C0] tcf_chain_flush+0x1e0/0x320
[ 1783.116981][ C0] __tcf_block_put+0x113/0x270
[ 1783.116985][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1783.116993][ C0] __qdisc_destroy+0xee/0x340
[ 1783.116998][ C0] dev_shutdown+0x129/0x350
[ 1783.117002][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1783.117006][ C0] ? rtnl_is_locked+0x15/0x20
[ 1783.117010][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1783.117013][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1783.117016][ C0] ? mutex_is_locked+0x17/0x50
[ 1783.117019][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1783.117025][ C0] cleanup_net+0x4cf/0xb60
[ 1783.117028][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1783.117031][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1783.117034][ C0] ? lock_acquire+0x1c1/0x220
[ 1783.117036][ C0] ? process_one_work+0x714/0x1310
[ 1783.117042][ C0] process_one_work+0x78c/0x1310
[ 1783.117046][ C0] ? hlock_class+0x4e/0x130
[ 1783.117050][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1783.117054][ C0] ? assign_work+0x16c/0x240
[ 1783.117058][ C0] worker_thread+0x73d/0x1010
[ 1783.117061][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1783.117065][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1783.117068][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1783.117070][ C0] kthread+0x28f/0x360
[ 1783.117073][ C0] ? __pfx_kthread+0x10/0x10
[ 1783.117076][ C0] ret_from_fork+0x31/0x70
[ 1783.117079][ C0] ? __pfx_kthread+0x10/0x10
[ 1783.117081][ C0] ret_from_fork_asm+0x1b/0x30
[ 1783.117091][ C0]
[ 1808.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1155s! [kworker/u8:1:71]
[ 1808.556273][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1808.556985][ C0] irq event stamp: 164379
[ 1808.557208][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1808.557689][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1808.558164][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1808.558639][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1808.559108][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1808.559587][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1808.560208][ C0] Workqueue: netns cleanup_net
[ 1808.560458][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1808.560733][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1808.561718][ C0] RSP: 0018:ffffc9000051f310 EFLAGS: 00000247
[ 1808.562030][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1808.562435][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1808.562837][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1808.563239][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1808.563644][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1808.564047][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1808.564502][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1808.564838][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1808.565242][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1808.565648][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1808.566052][ C0] PKRU: 55555554
[ 1808.566236][ C0] Call Trace:
[ 1808.566410][ C0]
[ 1808.566562][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1808.566838][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1808.567085][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1808.567365][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1808.567645][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1808.567940][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1808.568210][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1808.568524][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1808.568793][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1808.569105][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1808.569405][ C0]
[ 1808.569557][ C0]
[ 1808.569709][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1808.570027][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1808.570320][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1808.570616][ C0] ? report_enabled+0x19/0x30
[ 1808.570856][ C0] kasan_report+0x41/0xf0
[ 1808.571081][ C0] kasan_check_range+0x39/0x1c0
[ 1808.571336][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1808.571620][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1808.571936][ C0] ? __pfx___schedule+0x10/0x10
[ 1808.572189][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1808.572445][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1808.572719][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1808.573011][ C0] ? lock_acquire+0x1c1/0x220
[ 1808.573251][ C0] ? __mutex_lock+0x33e/0xb10
[ 1808.573496][ C0] ? __mutex_lock+0x811/0xb10
[ 1808.573739][ C0] _raw_spin_lock+0x67/0x80
[ 1808.573970][ C0] __mutex_lock+0x33e/0xb10
[ 1808.574206][ C0] ? __lock_release+0x40f/0x880
[ 1808.574458][ C0] ? __pfx___lock_release+0x10/0x10
[ 1808.574724][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1808.575026][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1808.575286][ C0] ? __pfx___up_read+0x10/0x10
[ 1808.575534][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1808.575806][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1808.576080][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1808.576375][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1808.576680][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1808.576973][ C0] __tcf_action_put+0x3d/0xf0
[ 1808.577218][ C0] tcf_action_destroy+0x43/0x130
[ 1808.577475][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1808.577717][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1808.578040][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1808.578316][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1808.578621][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1808.578919][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1808.579206][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1808.579523][ C0] ? __lock_release+0x40f/0x880
[ 1808.579772][ C0] ? __mutex_lock+0x26e/0xb10
[ 1808.580015][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1808.580300][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1808.580613][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1808.580919][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1808.581170][ C0] tcf_chain_flush+0x1e0/0x320
[ 1808.581416][ C0] __tcf_block_put+0x113/0x270
[ 1808.581665][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1808.581973][ C0] __qdisc_destroy+0xee/0x340
[ 1808.582217][ C0] dev_shutdown+0x129/0x350
[ 1808.582452][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1808.582776][ C0] ? rtnl_is_locked+0x15/0x20
[ 1808.583020][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1808.583339][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1808.583683][ C0] ? mutex_is_locked+0x17/0x50
[ 1808.583929][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1808.584235][ C0] cleanup_net+0x4cf/0xb60
[ 1808.584465][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1808.584753][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1808.585008][ C0] ? lock_acquire+0x1c1/0x220
[ 1808.585246][ C0] ? process_one_work+0x714/0x1310
[ 1808.585515][ C0] process_one_work+0x78c/0x1310
[ 1808.585769][ C0] ? hlock_class+0x4e/0x130
[ 1808.586005][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1808.586281][ C0] ? assign_work+0x16c/0x240
[ 1808.586521][ C0] worker_thread+0x73d/0x1010
[ 1808.586769][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1808.587106][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1808.587370][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1808.587631][ C0] kthread+0x28f/0x360
[ 1808.587844][ C0] ? __pfx_kthread+0x10/0x10
[ 1808.588082][ C0] ret_from_fork+0x31/0x70
[ 1808.588311][ C0] ? __pfx_kthread+0x10/0x10
[ 1808.588548][ C0] ret_from_fork_asm+0x1b/0x30
[ 1808.588800][ C0]
[ 1836.555812][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1181s! [kworker/u8:1:71]
[ 1836.556273][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1836.556988][ C0] irq event stamp: 164379
[ 1836.557209][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1836.557693][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1836.558170][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1836.558644][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1836.559113][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1836.559595][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1836.560212][ C0] Workqueue: netns cleanup_net
[ 1836.560465][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1836.560796][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1836.561777][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1836.562089][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1836.562495][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1836.562899][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1836.563303][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1836.563707][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1836.564110][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1836.564564][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1836.564908][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1836.565312][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1836.565716][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1836.566120][ C0] PKRU: 55555554
[ 1836.566302][ C0] Call Trace:
[ 1836.566479][ C0]
[ 1836.566639][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1836.566908][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1836.567155][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1836.567438][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1836.567713][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1836.568008][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1836.568278][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1836.568590][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1836.568855][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1836.569170][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1836.569470][ C0]
[ 1836.569621][ C0]
[ 1836.569773][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1836.570093][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1836.570395][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1836.570695][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1836.571010][ C0] ? __pfx___schedule+0x10/0x10
[ 1836.571263][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1836.571518][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1836.571794][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1836.572082][ C0] ? lock_acquire+0x1c1/0x220
[ 1836.572324][ C0] ? __mutex_lock+0x33e/0xb10
[ 1836.572567][ C0] ? __mutex_lock+0x811/0xb10
[ 1836.572810][ C0] _raw_spin_lock+0x67/0x80
[ 1836.573044][ C0] __mutex_lock+0x33e/0xb10
[ 1836.573276][ C0] ? __lock_release+0x40f/0x880
[ 1836.573527][ C0] ? __pfx___lock_release+0x10/0x10
[ 1836.573793][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1836.574098][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1836.574358][ C0] ? __pfx___up_read+0x10/0x10
[ 1836.574609][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1836.574879][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1836.575150][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1836.575447][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1836.575743][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1836.576034][ C0] __tcf_action_put+0x3d/0xf0
[ 1836.576279][ C0] tcf_action_destroy+0x43/0x130
[ 1836.576543][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1836.576785][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1836.577108][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1836.577385][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1836.577691][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1836.577987][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1836.578278][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1836.578595][ C0] ? __lock_release+0x40f/0x880
[ 1836.578844][ C0] ? __mutex_lock+0x26e/0xb10
[ 1836.579086][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1836.579374][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1836.579685][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1836.580001][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1836.580252][ C0] tcf_chain_flush+0x1e0/0x320
[ 1836.580502][ C0] __tcf_block_put+0x113/0x270
[ 1836.580749][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1836.581059][ C0] __qdisc_destroy+0xee/0x340
[ 1836.581303][ C0] dev_shutdown+0x129/0x350
[ 1836.581541][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1836.581867][ C0] ? rtnl_is_locked+0x15/0x20
[ 1836.582108][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1836.582429][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1836.582776][ C0] ? mutex_is_locked+0x17/0x50
[ 1836.583021][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1836.583329][ C0] cleanup_net+0x4cf/0xb60
[ 1836.583560][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1836.583848][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1836.584102][ C0] ? lock_acquire+0x1c1/0x220
[ 1836.584346][ C0] ? process_one_work+0x714/0x1310
[ 1836.584613][ C0] process_one_work+0x78c/0x1310
[ 1836.584869][ C0] ? hlock_class+0x4e/0x130
[ 1836.585101][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1836.585382][ C0] ? assign_work+0x16c/0x240
[ 1836.585618][ C0] worker_thread+0x73d/0x1010
[ 1836.585861][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1836.586198][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1836.586461][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1836.586736][ C0] kthread+0x28f/0x360
[ 1836.586951][ C0] ? __pfx_kthread+0x10/0x10
[ 1836.587187][ C0] ret_from_fork+0x31/0x70
[ 1836.587421][ C0] ? __pfx_kthread+0x10/0x10
[ 1836.587659][ C0] ret_from_fork_asm+0x1b/0x30
[ 1836.587908][ C0]
[ 1844.627326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1844.627693][ C0] rcu: 0-....: (1272758 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=275687
[ 1844.628257][ C0] rcu: (t=1274583 jiffies g=477977 q=5801 ncpus=4)
[ 1844.628598][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1844.629079][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1844.629701][ C0] Workqueue: netns cleanup_net
[ 1844.629954][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1844.630287][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1844.631284][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1844.631601][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1844.632005][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1844.632414][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1844.632817][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1844.633221][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1844.633625][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1844.634079][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1844.634419][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1844.634825][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1844.635229][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1844.635638][ C0] PKRU: 55555554
[ 1844.635821][ C0] Call Trace:
[ 1844.635996][ C0]
[ 1844.636146][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1844.636426][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1844.636689][ C0] ? check_cpu_stall+0x284/0x500
[ 1844.636942][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1844.637236][ C0] ? rcu_pending+0x92/0x360
[ 1844.637471][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1844.637747][ C0] ? update_process_times+0xb9/0x110
[ 1844.638022][ C0] ? tick_sched_handle+0x67/0x130
[ 1844.638283][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1844.638571][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1844.638819][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1844.639135][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1844.639412][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1844.639706][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1844.639979][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1844.640289][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1844.640557][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1844.640870][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1844.641173][ C0]
[ 1844.641325][ C0]
[ 1844.641479][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1844.641800][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1844.642098][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1844.642401][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1844.642718][ C0] ? __pfx___schedule+0x10/0x10
[ 1844.642972][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1844.643227][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1844.643504][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1844.643791][ C0] ? lock_acquire+0x1c1/0x220
[ 1844.644034][ C0] ? __mutex_lock+0x33e/0xb10
[ 1844.644280][ C0] ? __mutex_lock+0x811/0xb10
[ 1844.644523][ C0] _raw_spin_lock+0x67/0x80
[ 1844.644756][ C0] __mutex_lock+0x33e/0xb10
[ 1844.644992][ C0] ? __lock_release+0x40f/0x880
[ 1844.645244][ C0] ? __pfx___lock_release+0x10/0x10
[ 1844.645511][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1844.645811][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1844.646072][ C0] ? __pfx___up_read+0x10/0x10
[ 1844.646321][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1844.646597][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1844.646874][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1844.647170][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1844.647471][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1844.647760][ C0] __tcf_action_put+0x3d/0xf0
[ 1844.648006][ C0] tcf_action_destroy+0x43/0x130
[ 1844.648263][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1844.648509][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1844.648832][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1844.649112][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1844.649420][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1844.649720][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1844.650009][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1844.650331][ C0] ? __lock_release+0x40f/0x880
[ 1844.650584][ C0] ? __mutex_lock+0x26e/0xb10
[ 1844.650828][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1844.651115][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1844.651430][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1844.651737][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1844.651991][ C0] tcf_chain_flush+0x1e0/0x320
[ 1844.652240][ C0] __tcf_block_put+0x113/0x270
[ 1844.652491][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1844.652800][ C0] __qdisc_destroy+0xee/0x340
[ 1844.653043][ C0] dev_shutdown+0x129/0x350
[ 1844.653279][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1844.653607][ C0] ? rtnl_is_locked+0x15/0x20
[ 1844.653852][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1844.654173][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1844.654520][ C0] ? mutex_is_locked+0x17/0x50
[ 1844.654768][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1844.655074][ C0] cleanup_net+0x4cf/0xb60
[ 1844.655305][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.655595][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1844.655849][ C0] ? lock_acquire+0x1c1/0x220
[ 1844.656093][ C0] ? process_one_work+0x714/0x1310
[ 1844.656360][ C0] process_one_work+0x78c/0x1310
[ 1844.656622][ C0] ? hlock_class+0x4e/0x130
[ 1844.656859][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1844.657136][ C0] ? assign_work+0x16c/0x240
[ 1844.657379][ C0] worker_thread+0x73d/0x1010
[ 1844.657622][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1844.657962][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1844.658226][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1844.658491][ C0] kthread+0x28f/0x360
[ 1844.658703][ C0] ? __pfx_kthread+0x10/0x10
[ 1844.658942][ C0] ret_from_fork+0x31/0x70
[ 1844.659171][ C0] ? __pfx_kthread+0x10/0x10
[ 1844.659411][ C0] ret_from_fork_asm+0x1b/0x30
[ 1844.659666][ C0]
[ 1872.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1214s! [kworker/u8:1:71]
[ 1872.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1872.556982][ C0] irq event stamp: 164379
[ 1872.557204][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1872.557691][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1872.558168][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1872.558644][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1872.559115][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1872.559598][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1872.560218][ C0] Workqueue: netns cleanup_net
[ 1872.560469][ C0] RIP: 0010:__kasan_check_read+0x8/0x20
[ 1872.560769][ C0] Code: 5d 41 5c e9 9a b3 9b ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 af ef ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
[ 1872.561753][ C0] RSP: 0018:ffffc9000051f3d8 EFLAGS: 00000206
[ 1872.562064][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 1872.562471][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1872.562874][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1872.563277][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1872.563685][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1872.564088][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1872.564542][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1872.564880][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1872.565285][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1872.565694][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1872.566096][ C0] PKRU: 55555554
[ 1872.566281][ C0] Call Trace:
[ 1872.566459][ C0]
[ 1872.566611][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1872.566881][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1872.567130][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1872.567412][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1872.567688][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1872.567981][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1872.568251][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1872.568564][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1872.568831][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1872.569143][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1872.569445][ C0]
[ 1872.569598][ C0]
[ 1872.569751][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1872.570072][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1872.570366][ C0] ? __kasan_check_read+0x8/0x20
[ 1872.570622][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1872.570907][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1872.571222][ C0] ? __pfx___schedule+0x10/0x10
[ 1872.571480][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1872.571735][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1872.572009][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1872.572300][ C0] ? lock_acquire+0x1c1/0x220
[ 1872.572545][ C0] ? __mutex_lock+0x33e/0xb10
[ 1872.572787][ C0] ? __mutex_lock+0x811/0xb10
[ 1872.573031][ C0] _raw_spin_lock+0x67/0x80
[ 1872.573267][ C0] __mutex_lock+0x33e/0xb10
[ 1872.573502][ C0] ? __lock_release+0x40f/0x880
[ 1872.573754][ C0] ? __pfx___lock_release+0x10/0x10
[ 1872.574026][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1872.574330][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1872.574592][ C0] ? __pfx___up_read+0x10/0x10
[ 1872.574844][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1872.575115][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1872.575391][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1872.575688][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1872.575987][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1872.576279][ C0] __tcf_action_put+0x3d/0xf0
[ 1872.576529][ C0] tcf_action_destroy+0x43/0x130
[ 1872.576785][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1872.577029][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1872.577359][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1872.577636][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1872.577942][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1872.578239][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1872.578534][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1872.578849][ C0] ? __lock_release+0x40f/0x880
[ 1872.579100][ C0] ? __mutex_lock+0x26e/0xb10
[ 1872.579345][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1872.579633][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1872.579946][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1872.580256][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1872.580511][ C0] tcf_chain_flush+0x1e0/0x320
[ 1872.580759][ C0] __tcf_block_put+0x113/0x270
[ 1872.581006][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1872.581315][ C0] __qdisc_destroy+0xee/0x340
[ 1872.581561][ C0] dev_shutdown+0x129/0x350
[ 1872.581796][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1872.582122][ C0] ? rtnl_is_locked+0x15/0x20
[ 1872.582368][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1872.582689][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1872.583034][ C0] ? mutex_is_locked+0x17/0x50
[ 1872.583278][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1872.583590][ C0] cleanup_net+0x4cf/0xb60
[ 1872.583820][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1872.584108][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1872.584365][ C0] ? lock_acquire+0x1c1/0x220
[ 1872.584608][ C0] ? process_one_work+0x714/0x1310
[ 1872.584874][ C0] process_one_work+0x78c/0x1310
[ 1872.585131][ C0] ? hlock_class+0x4e/0x130
[ 1872.585365][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1872.585644][ C0] ? assign_work+0x16c/0x240
[ 1872.585882][ C0] worker_thread+0x73d/0x1010
[ 1872.586124][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1872.586467][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1872.586730][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1872.586992][ C0] kthread+0x28f/0x360
[ 1872.587205][ C0] ? __pfx_kthread+0x10/0x10
[ 1872.587443][ C0] ret_from_fork+0x31/0x70
[ 1872.587675][ C0] ? __pfx_kthread+0x10/0x10
[ 1872.587911][ C0] ret_from_fork_asm+0x1b/0x30
[ 1872.588163][ C0]
[ 1881.419342][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1311144 jiffies s: 1289 root: 0x1/.
[ 1881.419999][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1881.420385][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1881.420666][ C0] NMI backtrace for cpu 0
[ 1881.420671][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1881.420675][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1881.420678][ C0] Workqueue: netns cleanup_net
[ 1881.420682][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 1881.420689][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 1881.420691][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 1881.420694][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1881.420695][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1881.420697][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1881.420699][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1881.420701][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 1881.420702][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1881.420704][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1881.420708][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1881.420710][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1881.420711][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1881.420712][ C0] PKRU: 55555554
[ 1881.420713][ C0] Call Trace:
[ 1881.420716][ C0]
[ 1881.420719][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1881.420725][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1881.420729][ C0] ? nmi_handle+0x153/0x420
[ 1881.420735][ C0] ? default_do_nmi+0x41/0x100
[ 1881.420739][ C0] ? exc_nmi+0xf3/0x120
[ 1881.420742][ C0] ? end_repeat_nmi+0xf/0x60
[ 1881.420746][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1881.420752][ C0] ? kasan_report+0x22/0xf0
[ 1881.420755][ C0] ? kasan_report+0x22/0xf0
[ 1881.420758][ C0] ? kasan_report+0x22/0xf0
[ 1881.420761][ C0]
[ 1881.420762][ C0]
[ 1881.420766][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1881.420769][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1881.420773][ C0] ? __pfx___schedule+0x10/0x10
[ 1881.420779][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1881.420784][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1881.420786][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1881.420790][ C0] ? lock_acquire+0x1c1/0x220
[ 1881.420792][ C0] ? __mutex_lock+0x33e/0xb10
[ 1881.420796][ C0] ? __mutex_lock+0x811/0xb10
[ 1881.420798][ C0] _raw_spin_lock+0x67/0x80
[ 1881.420801][ C0] __mutex_lock+0x33e/0xb10
[ 1881.420804][ C0] ? __lock_release+0x40f/0x880
[ 1881.420807][ C0] ? __pfx___lock_release+0x10/0x10
[ 1881.420810][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1881.420815][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1881.420818][ C0] ? __pfx___up_read+0x10/0x10
[ 1881.420821][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1881.420823][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1881.420827][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1881.420833][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1881.420836][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1881.420841][ C0] __tcf_action_put+0x3d/0xf0
[ 1881.420846][ C0] tcf_action_destroy+0x43/0x130
[ 1881.420850][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1881.420853][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1881.420863][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1881.420871][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1881.420879][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1881.420888][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1881.420898][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1881.420905][ C0] ? __lock_release+0x40f/0x880
[ 1881.420909][ C0] ? __mutex_lock+0x26e/0xb10
[ 1881.420913][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1881.420922][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1881.420930][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1881.420935][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1881.420939][ C0] tcf_chain_flush+0x1e0/0x320
[ 1881.420943][ C0] __tcf_block_put+0x113/0x270
[ 1881.420947][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1881.420955][ C0] __qdisc_destroy+0xee/0x340
[ 1881.420960][ C0] dev_shutdown+0x129/0x350
[ 1881.420964][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1881.420968][ C0] ? rtnl_is_locked+0x15/0x20
[ 1881.420972][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1881.420974][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1881.420977][ C0] ? mutex_is_locked+0x17/0x50
[ 1881.420980][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1881.420986][ C0] cleanup_net+0x4cf/0xb60
[ 1881.420989][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1881.420992][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1881.420995][ C0] ? lock_acquire+0x1c1/0x220
[ 1881.420997][ C0] ? process_one_work+0x714/0x1310
[ 1881.421001][ C0] process_one_work+0x78c/0x1310
[ 1881.421005][ C0] ? hlock_class+0x4e/0x130
[ 1881.421009][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1881.421013][ C0] ? assign_work+0x16c/0x240
[ 1881.421017][ C0] worker_thread+0x73d/0x1010
[ 1881.421020][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1881.421024][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1881.421027][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1881.421029][ C0] kthread+0x28f/0x360
[ 1881.421032][ C0] ? __pfx_kthread+0x10/0x10
[ 1881.421034][ C0] ret_from_fork+0x31/0x70
[ 1881.421037][ C0] ? __pfx_kthread+0x10/0x10
[ 1881.421039][ C0] ret_from_fork_asm+0x1b/0x30
[ 1881.421048][ C0]
[ 1908.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1248s! [kworker/u8:1:71]
[ 1908.556277][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1908.556985][ C0] irq event stamp: 164379
[ 1908.557205][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1908.557691][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1908.558167][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1908.558640][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1908.559108][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1908.559592][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1908.560209][ C0] Workqueue: netns cleanup_net
[ 1908.560461][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 1908.560725][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 1908.561709][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 1908.562021][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 1908.562425][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1908.562832][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1908.563234][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 1908.563639][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 1908.564040][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1908.564494][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1908.564833][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1908.565238][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1908.565641][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1908.566045][ C0] PKRU: 55555554
[ 1908.566233][ C0] Call Trace:
[ 1908.566409][ C0]
[ 1908.566560][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1908.566827][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1908.567076][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1908.567359][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1908.567637][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1908.567927][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1908.568196][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1908.568509][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1908.568774][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1908.569089][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1908.569391][ C0]
[ 1908.569543][ C0]
[ 1908.569694][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1908.570014][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1908.570309][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 1908.570601][ C0] ? kasan_report+0xd2/0xf0
[ 1908.570840][ C0] kasan_check_range+0x39/0x1c0
[ 1908.571095][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 1908.571379][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1908.571696][ C0] ? __pfx___schedule+0x10/0x10
[ 1908.571949][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1908.572204][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1908.572481][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1908.572769][ C0] ? lock_acquire+0x1c1/0x220
[ 1908.573012][ C0] ? __mutex_lock+0x33e/0xb10
[ 1908.573255][ C0] ? __mutex_lock+0x811/0xb10
[ 1908.573500][ C0] _raw_spin_lock+0x67/0x80
[ 1908.573733][ C0] __mutex_lock+0x33e/0xb10
[ 1908.573970][ C0] ? __lock_release+0x40f/0x880
[ 1908.574222][ C0] ? __pfx___lock_release+0x10/0x10
[ 1908.574493][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1908.574797][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1908.575059][ C0] ? __pfx___up_read+0x10/0x10
[ 1908.575307][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1908.575589][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1908.575866][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1908.576164][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1908.576479][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1908.576770][ C0] __tcf_action_put+0x3d/0xf0
[ 1908.577015][ C0] tcf_action_destroy+0x43/0x130
[ 1908.577270][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1908.577515][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1908.577840][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1908.578117][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1908.578421][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1908.578719][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1908.579008][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1908.579324][ C0] ? __lock_release+0x40f/0x880
[ 1908.579576][ C0] ? __mutex_lock+0x26e/0xb10
[ 1908.579820][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1908.580106][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1908.580419][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1908.580728][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1908.580979][ C0] tcf_chain_flush+0x1e0/0x320
[ 1908.581226][ C0] __tcf_block_put+0x113/0x270
[ 1908.581476][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1908.581785][ C0] __qdisc_destroy+0xee/0x340
[ 1908.582028][ C0] dev_shutdown+0x129/0x350
[ 1908.582262][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1908.582590][ C0] ? rtnl_is_locked+0x15/0x20
[ 1908.582835][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1908.583154][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1908.583502][ C0] ? mutex_is_locked+0x17/0x50
[ 1908.583748][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1908.584054][ C0] cleanup_net+0x4cf/0xb60
[ 1908.584284][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1908.584574][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1908.584829][ C0] ? lock_acquire+0x1c1/0x220
[ 1908.585069][ C0] ? process_one_work+0x714/0x1310
[ 1908.585335][ C0] process_one_work+0x78c/0x1310
[ 1908.585592][ C0] ? hlock_class+0x4e/0x130
[ 1908.585828][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1908.586104][ C0] ? assign_work+0x16c/0x240
[ 1908.586348][ C0] worker_thread+0x73d/0x1010
[ 1908.586591][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1908.586928][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1908.587190][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1908.587453][ C0] kthread+0x28f/0x360
[ 1908.587663][ C0] ? __pfx_kthread+0x10/0x10
[ 1908.587901][ C0] ret_from_fork+0x31/0x70
[ 1908.588131][ C0] ? __pfx_kthread+0x10/0x10
[ 1908.588368][ C0] ret_from_fork_asm+0x1b/0x30
[ 1908.588621][ C0]
[ 1922.662326][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 1922.662689][ C0] rcu: 0-....: (1350672 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=292291
[ 1922.663251][ C0] rcu: (t=1352618 jiffies g=477977 q=5801 ncpus=4)
[ 1922.663591][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1922.664072][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1922.664692][ C0] Workqueue: netns cleanup_net
[ 1922.664943][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1922.665278][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1922.666267][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1922.666584][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1922.666987][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1922.667393][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1922.667802][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1922.668205][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1922.668610][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1922.669062][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1922.669400][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1922.669807][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1922.670211][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1922.670613][ C0] PKRU: 55555554
[ 1922.670798][ C0] Call Trace:
[ 1922.670971][ C0]
[ 1922.671120][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 1922.671398][ C0] ? print_cpu_stall+0x263/0x6a0
[ 1922.671654][ C0] ? check_cpu_stall+0x284/0x500
[ 1922.671908][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 1922.672200][ C0] ? rcu_pending+0x92/0x360
[ 1922.672433][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 1922.672707][ C0] ? update_process_times+0xb9/0x110
[ 1922.672981][ C0] ? tick_sched_handle+0x67/0x130
[ 1922.673240][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 1922.673528][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1922.673774][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 1922.674090][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1922.674365][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1922.674657][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1922.674926][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1922.675234][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1922.675500][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1922.675813][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1922.676118][ C0]
[ 1922.676269][ C0]
[ 1922.676424][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1922.676742][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1922.677043][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1922.677344][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1922.677660][ C0] ? __pfx___schedule+0x10/0x10
[ 1922.677913][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1922.678165][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1922.678442][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1922.678727][ C0] ? lock_acquire+0x1c1/0x220
[ 1922.678969][ C0] ? __mutex_lock+0x33e/0xb10
[ 1922.679212][ C0] ? __mutex_lock+0x811/0xb10
[ 1922.679452][ C0] _raw_spin_lock+0x67/0x80
[ 1922.679688][ C0] __mutex_lock+0x33e/0xb10
[ 1922.679922][ C0] ? __lock_release+0x40f/0x880
[ 1922.680171][ C0] ? __pfx___lock_release+0x10/0x10
[ 1922.680439][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1922.680743][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1922.681001][ C0] ? __pfx___up_read+0x10/0x10
[ 1922.681253][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1922.681525][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1922.681798][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1922.682093][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1922.682392][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1922.682680][ C0] __tcf_action_put+0x3d/0xf0
[ 1922.682926][ C0] tcf_action_destroy+0x43/0x130
[ 1922.683181][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1922.683423][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1922.683745][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1922.684023][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1922.684330][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1922.684629][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1922.684918][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1922.685233][ C0] ? __lock_release+0x40f/0x880
[ 1922.685484][ C0] ? __mutex_lock+0x26e/0xb10
[ 1922.685725][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1922.686012][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1922.686326][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1922.686634][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1922.686885][ C0] tcf_chain_flush+0x1e0/0x320
[ 1922.687132][ C0] __tcf_block_put+0x113/0x270
[ 1922.687381][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1922.687687][ C0] __qdisc_destroy+0xee/0x340
[ 1922.687931][ C0] dev_shutdown+0x129/0x350
[ 1922.688166][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1922.688492][ C0] ? rtnl_is_locked+0x15/0x20
[ 1922.688736][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1922.689053][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1922.689399][ C0] ? mutex_is_locked+0x17/0x50
[ 1922.689645][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1922.689950][ C0] cleanup_net+0x4cf/0xb60
[ 1922.690181][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1922.690468][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1922.690722][ C0] ? lock_acquire+0x1c1/0x220
[ 1922.690963][ C0] ? process_one_work+0x714/0x1310
[ 1922.691228][ C0] process_one_work+0x78c/0x1310
[ 1922.691488][ C0] ? hlock_class+0x4e/0x130
[ 1922.691723][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1922.691999][ C0] ? assign_work+0x16c/0x240
[ 1922.692237][ C0] worker_thread+0x73d/0x1010
[ 1922.692478][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1922.692816][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1922.693080][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1922.693342][ C0] kthread+0x28f/0x360
[ 1922.693552][ C0] ? __pfx_kthread+0x10/0x10
[ 1922.693789][ C0] ret_from_fork+0x31/0x70
[ 1922.694017][ C0] ? __pfx_kthread+0x10/0x10
[ 1922.694254][ C0] ret_from_fork_asm+0x1b/0x30
[ 1922.694507][ C0]
[ 1939.528095][ T74] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[ 1948.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1285s! [kworker/u8:1:71]
[ 1948.556277][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1948.556983][ C0] irq event stamp: 164379
[ 1948.557206][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1948.557684][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1948.558158][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1948.558634][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1948.559104][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1948.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1948.560206][ C0] Workqueue: netns cleanup_net
[ 1948.560456][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1948.560731][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1948.561716][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 1948.562027][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1948.562438][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1948.562842][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1948.563248][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1948.563664][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1948.564071][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1948.564528][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1948.564868][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1948.565275][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1948.565686][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1948.566097][ C0] PKRU: 55555554
[ 1948.566282][ C0] Call Trace:
[ 1948.566457][ C0]
[ 1948.566609][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1948.566877][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1948.567124][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1948.567405][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1948.567680][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1948.567972][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1948.568242][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1948.568553][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1948.568819][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1948.569136][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1948.569438][ C0]
[ 1948.569589][ C0]
[ 1948.569742][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1948.570062][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1948.570362][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1948.570662][ C0] ? report_enabled+0x19/0x30
[ 1948.570905][ C0] kasan_report+0x41/0xf0
[ 1948.571130][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1948.571419][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1948.571740][ C0] ? __pfx___schedule+0x10/0x10
[ 1948.571993][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1948.572248][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1948.572525][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1948.572814][ C0] ? lock_acquire+0x1c1/0x220
[ 1948.573055][ C0] ? __mutex_lock+0x33e/0xb10
[ 1948.573297][ C0] ? __mutex_lock+0x811/0xb10
[ 1948.573542][ C0] _raw_spin_lock+0x67/0x80
[ 1948.573778][ C0] __mutex_lock+0x33e/0xb10
[ 1948.574010][ C0] ? __lock_release+0x40f/0x880
[ 1948.574262][ C0] ? __pfx___lock_release+0x10/0x10
[ 1948.574530][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1948.574834][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1948.575093][ C0] ? __pfx___up_read+0x10/0x10
[ 1948.575343][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1948.575615][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1948.575886][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1948.576186][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1948.576483][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1948.576774][ C0] __tcf_action_put+0x3d/0xf0
[ 1948.577018][ C0] tcf_action_destroy+0x43/0x130
[ 1948.577274][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1948.577518][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1948.577846][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1948.578122][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1948.578429][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1948.578725][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1948.579018][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1948.579335][ C0] ? __lock_release+0x40f/0x880
[ 1948.579585][ C0] ? __mutex_lock+0x26e/0xb10
[ 1948.579828][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1948.580114][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1948.580427][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1948.580737][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1948.580989][ C0] tcf_chain_flush+0x1e0/0x320
[ 1948.581237][ C0] __tcf_block_put+0x113/0x270
[ 1948.581486][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1948.581792][ C0] __qdisc_destroy+0xee/0x340
[ 1948.582035][ C0] dev_shutdown+0x129/0x350
[ 1948.582271][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1948.582599][ C0] ? rtnl_is_locked+0x15/0x20
[ 1948.582841][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1948.583164][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1948.583513][ C0] ? mutex_is_locked+0x17/0x50
[ 1948.583757][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1948.584066][ C0] cleanup_net+0x4cf/0xb60
[ 1948.584296][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1948.584586][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1948.584841][ C0] ? lock_acquire+0x1c1/0x220
[ 1948.585087][ C0] ? process_one_work+0x714/0x1310
[ 1948.585352][ C0] process_one_work+0x78c/0x1310
[ 1948.585614][ C0] ? hlock_class+0x4e/0x130
[ 1948.585846][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1948.586131][ C0] ? assign_work+0x16c/0x240
[ 1948.586369][ C0] worker_thread+0x73d/0x1010
[ 1948.586613][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1948.586949][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1948.587211][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1948.587475][ C0] kthread+0x28f/0x360
[ 1948.587692][ C0] ? __pfx_kthread+0x10/0x10
[ 1948.587928][ C0] ret_from_fork+0x31/0x70
[ 1948.588161][ C0] ? __pfx_kthread+0x10/0x10
[ 1948.588398][ C0] ret_from_fork_asm+0x1b/0x30
[ 1948.588649][ C0]
[ 1976.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1311s! [kworker/u8:1:71]
[ 1976.556274][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 1976.556985][ C0] irq event stamp: 164379
[ 1976.557206][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 1976.557685][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 1976.558161][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 1976.558634][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 1976.559110][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1976.559589][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1976.560208][ C0] Workqueue: netns cleanup_net
[ 1976.560459][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 1976.560786][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 1976.561772][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 1976.562083][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 1976.562488][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1976.562893][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1976.563296][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1976.563703][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 1976.564108][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1976.564563][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1976.564904][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1976.565312][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1976.565718][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1976.566126][ C0] PKRU: 55555554
[ 1976.566309][ C0] Call Trace:
[ 1976.566483][ C0]
[ 1976.566640][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 1976.566909][ C0] ? __run_hrtimer+0x1c0/0x710
[ 1976.567155][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 1976.567440][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 1976.567715][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1976.568007][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 1976.568277][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 1976.568587][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 1976.568853][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 1976.569168][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 1976.569470][ C0]
[ 1976.569620][ C0]
[ 1976.569774][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1976.570093][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1976.570393][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 1976.570694][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1976.571009][ C0] ? __pfx___schedule+0x10/0x10
[ 1976.571262][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1976.571518][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1976.571795][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1976.572083][ C0] ? lock_acquire+0x1c1/0x220
[ 1976.572325][ C0] ? __mutex_lock+0x33e/0xb10
[ 1976.572569][ C0] ? __mutex_lock+0x811/0xb10
[ 1976.572810][ C0] _raw_spin_lock+0x67/0x80
[ 1976.573045][ C0] __mutex_lock+0x33e/0xb10
[ 1976.573279][ C0] ? __lock_release+0x40f/0x880
[ 1976.573530][ C0] ? __pfx___lock_release+0x10/0x10
[ 1976.573799][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1976.574100][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1976.574359][ C0] ? __pfx___up_read+0x10/0x10
[ 1976.574608][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1976.574879][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1976.575151][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1976.575450][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1976.575748][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1976.576041][ C0] __tcf_action_put+0x3d/0xf0
[ 1976.576287][ C0] tcf_action_destroy+0x43/0x130
[ 1976.576544][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1976.576785][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1976.577110][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1976.577389][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1976.577695][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1976.577994][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1976.578285][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1976.578603][ C0] ? __lock_release+0x40f/0x880
[ 1976.578855][ C0] ? __mutex_lock+0x26e/0xb10
[ 1976.579096][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1976.579386][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1976.579697][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1976.580008][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1976.580260][ C0] tcf_chain_flush+0x1e0/0x320
[ 1976.580509][ C0] __tcf_block_put+0x113/0x270
[ 1976.580758][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1976.581064][ C0] __qdisc_destroy+0xee/0x340
[ 1976.581309][ C0] dev_shutdown+0x129/0x350
[ 1976.581546][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1976.581872][ C0] ? rtnl_is_locked+0x15/0x20
[ 1976.582114][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1976.582438][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1976.582785][ C0] ? mutex_is_locked+0x17/0x50
[ 1976.583030][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1976.583339][ C0] cleanup_net+0x4cf/0xb60
[ 1976.583570][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1976.583857][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1976.584111][ C0] ? lock_acquire+0x1c1/0x220
[ 1976.584355][ C0] ? process_one_work+0x714/0x1310
[ 1976.584620][ C0] process_one_work+0x78c/0x1310
[ 1976.584879][ C0] ? hlock_class+0x4e/0x130
[ 1976.585113][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1976.585393][ C0] ? assign_work+0x16c/0x240
[ 1976.585630][ C0] worker_thread+0x73d/0x1010
[ 1976.585878][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1976.586214][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1976.586483][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1976.586746][ C0] kthread+0x28f/0x360
[ 1976.586959][ C0] ? __pfx_kthread+0x10/0x10
[ 1976.587195][ C0] ret_from_fork+0x31/0x70
[ 1976.587427][ C0] ? __pfx_kthread+0x10/0x10
[ 1976.587666][ C0] ret_from_fork_asm+0x1b/0x30
[ 1976.587917][ C0]
[ 1979.723346][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1409448 jiffies s: 1289 root: 0x1/.
[ 1979.723992][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 1979.724376][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 1979.724661][ C0] NMI backtrace for cpu 0
[ 1979.724666][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 1979.724670][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1979.724672][ C0] Workqueue: netns cleanup_net
[ 1979.724677][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 1979.724684][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 1979.724687][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 1979.724689][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 1979.724691][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 1979.724693][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 1979.724694][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 1979.724696][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 1979.724698][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 1979.724699][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1979.724703][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 1979.724704][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1979.724705][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1979.724707][ C0] PKRU: 55555554
[ 1979.724708][ C0] Call Trace:
[ 1979.724710][ C0]
[ 1979.724712][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 1979.724718][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 1979.724723][ C0] ? nmi_handle+0x153/0x420
[ 1979.724728][ C0] ? default_do_nmi+0x41/0x100
[ 1979.724733][ C0] ? exc_nmi+0xf3/0x120
[ 1979.724736][ C0] ? end_repeat_nmi+0xf/0x60
[ 1979.724739][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1979.724745][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 1979.724748][ C0] ? report_enabled+0x19/0x30
[ 1979.724751][ C0] ? report_enabled+0x19/0x30
[ 1979.724754][ C0] ? report_enabled+0x19/0x30
[ 1979.724757][ C0]
[ 1979.724758][ C0]
[ 1979.724759][ C0] kasan_report+0x41/0xf0
[ 1979.724765][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 1979.724769][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 1979.724773][ C0] ? __pfx___schedule+0x10/0x10
[ 1979.724778][ C0] do_raw_spin_lock+0x1ec/0x270
[ 1979.724783][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1979.724786][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 1979.724789][ C0] ? lock_acquire+0x1c1/0x220
[ 1979.724792][ C0] ? __mutex_lock+0x33e/0xb10
[ 1979.724795][ C0] ? __mutex_lock+0x811/0xb10
[ 1979.724798][ C0] _raw_spin_lock+0x67/0x80
[ 1979.724801][ C0] __mutex_lock+0x33e/0xb10
[ 1979.724804][ C0] ? __lock_release+0x40f/0x880
[ 1979.724807][ C0] ? __pfx___lock_release+0x10/0x10
[ 1979.724810][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1979.724815][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 1979.724819][ C0] ? __pfx___up_read+0x10/0x10
[ 1979.724823][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 1979.724826][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 1979.724830][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 1979.724836][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 1979.724839][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 1979.724843][ C0] __tcf_action_put+0x3d/0xf0
[ 1979.724848][ C0] tcf_action_destroy+0x43/0x130
[ 1979.724852][ C0] tcf_exts_destroy+0x3c/0xb0
[ 1979.724854][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 1979.724864][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 1979.724873][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 1979.724882][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 1979.724891][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 1979.724900][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 1979.724908][ C0] ? __lock_release+0x40f/0x880
[ 1979.724911][ C0] ? __mutex_lock+0x26e/0xb10
[ 1979.724915][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 1979.724925][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 1979.724933][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1979.724937][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 1979.724942][ C0] tcf_chain_flush+0x1e0/0x320
[ 1979.724946][ C0] __tcf_block_put+0x113/0x270
[ 1979.724950][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 1979.724958][ C0] __qdisc_destroy+0xee/0x340
[ 1979.724962][ C0] dev_shutdown+0x129/0x350
[ 1979.724966][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 1979.724970][ C0] ? rtnl_is_locked+0x15/0x20
[ 1979.724974][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1979.724976][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1979.724979][ C0] ? mutex_is_locked+0x17/0x50
[ 1979.724982][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1979.724988][ C0] cleanup_net+0x4cf/0xb60
[ 1979.724990][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1979.724993][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 1979.724996][ C0] ? lock_acquire+0x1c1/0x220
[ 1979.724999][ C0] ? process_one_work+0x714/0x1310
[ 1979.725003][ C0] process_one_work+0x78c/0x1310
[ 1979.725007][ C0] ? hlock_class+0x4e/0x130
[ 1979.725011][ C0] ? __pfx_process_one_work+0x10/0x10
[ 1979.725016][ C0] ? assign_work+0x16c/0x240
[ 1979.725019][ C0] worker_thread+0x73d/0x1010
[ 1979.725022][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 1979.725027][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1979.725030][ C0] ? __pfx_worker_thread+0x10/0x10
[ 1979.725032][ C0] kthread+0x28f/0x360
[ 1979.725035][ C0] ? __pfx_kthread+0x10/0x10
[ 1979.725037][ C0] ret_from_fork+0x31/0x70
[ 1979.725040][ C0] ? __pfx_kthread+0x10/0x10
[ 1979.725042][ C0] ret_from_fork_asm+0x1b/0x30
[ 1979.725050][ C0]
[ 2000.698325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2000.698699][ C0] rcu: 0-....: (1428587 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=310310
[ 2000.699263][ C0] rcu: (t=1430654 jiffies g=477977 q=5801 ncpus=4)
[ 2000.699603][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2000.700080][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2000.700705][ C0] Workqueue: netns cleanup_net
[ 2000.700958][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2000.701290][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2000.702274][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2000.702586][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2000.702994][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2000.703397][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2000.703801][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2000.704208][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2000.704611][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2000.705071][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2000.705409][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2000.705821][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2000.706231][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2000.706638][ C0] PKRU: 55555554
[ 2000.706824][ C0] Call Trace:
[ 2000.706998][ C0]
[ 2000.707150][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2000.707429][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2000.707688][ C0] ? check_cpu_stall+0x284/0x500
[ 2000.707948][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2000.708239][ C0] ? rcu_pending+0x92/0x360
[ 2000.708476][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2000.708750][ C0] ? update_process_times+0xb9/0x110
[ 2000.709024][ C0] ? tick_sched_handle+0x67/0x130
[ 2000.709285][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2000.709577][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2000.709823][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2000.710143][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2000.710421][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2000.710711][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2000.710979][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2000.711290][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2000.711555][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2000.711871][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2000.712172][ C0]
[ 2000.712324][ C0]
[ 2000.712476][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2000.712796][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2000.713097][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2000.713395][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2000.713711][ C0] ? __pfx___schedule+0x10/0x10
[ 2000.713965][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2000.714219][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2000.714493][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2000.714783][ C0] ? lock_acquire+0x1c1/0x220
[ 2000.715024][ C0] ? __mutex_lock+0x33e/0xb10
[ 2000.715267][ C0] ? __mutex_lock+0x811/0xb10
[ 2000.715511][ C0] _raw_spin_lock+0x67/0x80
[ 2000.715752][ C0] __mutex_lock+0x33e/0xb10
[ 2000.715985][ C0] ? __lock_release+0x40f/0x880
[ 2000.716236][ C0] ? __pfx___lock_release+0x10/0x10
[ 2000.716503][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2000.716806][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2000.717065][ C0] ? __pfx___up_read+0x10/0x10
[ 2000.717314][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2000.717586][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2000.717865][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2000.718162][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2000.718460][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2000.718751][ C0] __tcf_action_put+0x3d/0xf0
[ 2000.718994][ C0] tcf_action_destroy+0x43/0x130
[ 2000.719250][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2000.719494][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2000.719819][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2000.720096][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2000.720401][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2000.720698][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2000.720990][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2000.721305][ C0] ? __lock_release+0x40f/0x880
[ 2000.721556][ C0] ? __mutex_lock+0x26e/0xb10
[ 2000.721800][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2000.722085][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2000.722399][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2000.722709][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2000.722961][ C0] tcf_chain_flush+0x1e0/0x320
[ 2000.723209][ C0] __tcf_block_put+0x113/0x270
[ 2000.723456][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2000.723766][ C0] __qdisc_destroy+0xee/0x340
[ 2000.724010][ C0] dev_shutdown+0x129/0x350
[ 2000.724249][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2000.724576][ C0] ? rtnl_is_locked+0x15/0x20
[ 2000.724820][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2000.725139][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2000.725484][ C0] ? mutex_is_locked+0x17/0x50
[ 2000.725733][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2000.726040][ C0] cleanup_net+0x4cf/0xb60
[ 2000.726270][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2000.726558][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2000.726813][ C0] ? lock_acquire+0x1c1/0x220
[ 2000.727058][ C0] ? process_one_work+0x714/0x1310
[ 2000.727323][ C0] process_one_work+0x78c/0x1310
[ 2000.727578][ C0] ? hlock_class+0x4e/0x130
[ 2000.727810][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2000.728088][ C0] ? assign_work+0x16c/0x240
[ 2000.728325][ C0] worker_thread+0x73d/0x1010
[ 2000.728568][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2000.728904][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2000.729165][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2000.729427][ C0] kthread+0x28f/0x360
[ 2000.729638][ C0] ? __pfx_kthread+0x10/0x10
[ 2000.729874][ C0] ret_from_fork+0x31/0x70
[ 2000.730105][ C0] ? __pfx_kthread+0x10/0x10
[ 2000.730342][ C0] ret_from_fork_asm+0x1b/0x30
[ 2000.730593][ C0]
[ 2028.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1360s! [kworker/u8:1:71]
[ 2028.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2028.556983][ C0] irq event stamp: 164379
[ 2028.557211][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2028.557692][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2028.558172][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2028.558652][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2028.559120][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2028.559599][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2028.560222][ C0] Workqueue: netns cleanup_net
[ 2028.560474][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 2028.560748][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 2028.561735][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 2028.562046][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2028.562450][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2028.562853][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2028.563259][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2028.563666][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2028.564069][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2028.564522][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2028.564858][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2028.565264][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2028.565675][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2028.566078][ C0] PKRU: 55555554
[ 2028.566262][ C0] Call Trace:
[ 2028.566438][ C0]
[ 2028.566588][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2028.566855][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2028.567104][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2028.567383][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2028.567658][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2028.567952][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2028.568221][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2028.568533][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2028.568799][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2028.569114][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2028.569413][ C0]
[ 2028.569567][ C0]
[ 2028.569718][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2028.570039][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2028.570340][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2028.570639][ C0] ? report_enabled+0x19/0x30
[ 2028.570882][ C0] kasan_report+0x41/0xf0
[ 2028.571105][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2028.571409][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2028.571697][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2028.572014][ C0] ? __pfx___schedule+0x10/0x10
[ 2028.572267][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2028.572525][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2028.572800][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2028.573089][ C0] ? lock_acquire+0x1c1/0x220
[ 2028.573330][ C0] ? __mutex_lock+0x33e/0xb10
[ 2028.573574][ C0] ? __mutex_lock+0x811/0xb10
[ 2028.573817][ C0] _raw_spin_lock+0x67/0x80
[ 2028.574052][ C0] __mutex_lock+0x33e/0xb10
[ 2028.574285][ C0] ? __lock_release+0x40f/0x880
[ 2028.574539][ C0] ? __pfx___lock_release+0x10/0x10
[ 2028.574805][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2028.575109][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2028.575371][ C0] ? __pfx___up_read+0x10/0x10
[ 2028.575624][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2028.575895][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2028.576173][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2028.576470][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2028.576768][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2028.577061][ C0] __tcf_action_put+0x3d/0xf0
[ 2028.577303][ C0] tcf_action_destroy+0x43/0x130
[ 2028.577559][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2028.577802][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2028.578124][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2028.578401][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2028.578706][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2028.579003][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2028.579293][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2028.579608][ C0] ? __lock_release+0x40f/0x880
[ 2028.579859][ C0] ? __mutex_lock+0x26e/0xb10
[ 2028.580102][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2028.580389][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2028.580701][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2028.581009][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2028.581261][ C0] tcf_chain_flush+0x1e0/0x320
[ 2028.581509][ C0] __tcf_block_put+0x113/0x270
[ 2028.581755][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2028.582064][ C0] __qdisc_destroy+0xee/0x340
[ 2028.582307][ C0] dev_shutdown+0x129/0x350
[ 2028.582541][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2028.582867][ C0] ? rtnl_is_locked+0x15/0x20
[ 2028.583111][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2028.583430][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2028.583772][ C0] ? mutex_is_locked+0x17/0x50
[ 2028.584019][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2028.584325][ C0] cleanup_net+0x4cf/0xb60
[ 2028.584555][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2028.584844][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2028.585098][ C0] ? lock_acquire+0x1c1/0x220
[ 2028.585339][ C0] ? process_one_work+0x714/0x1310
[ 2028.585609][ C0] process_one_work+0x78c/0x1310
[ 2028.585864][ C0] ? hlock_class+0x4e/0x130
[ 2028.586096][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2028.586374][ C0] ? assign_work+0x16c/0x240
[ 2028.586612][ C0] worker_thread+0x73d/0x1010
[ 2028.586853][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2028.587189][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2028.587453][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2028.587714][ C0] kthread+0x28f/0x360
[ 2028.587924][ C0] ? __pfx_kthread+0x10/0x10
[ 2028.588162][ C0] ret_from_fork+0x31/0x70
[ 2028.588393][ C0] ? __pfx_kthread+0x10/0x10
[ 2028.588628][ C0] ret_from_fork_asm+0x1b/0x30
[ 2028.588880][ C0]
[ 2056.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1386s! [kworker/u8:1:71]
[ 2056.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2056.556973][ C0] irq event stamp: 164379
[ 2056.557193][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2056.557671][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2056.558153][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2056.558629][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2056.559098][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2056.559580][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2056.560200][ C0] Workqueue: netns cleanup_net
[ 2056.560452][ C0] RIP: 0010:kasan_check_range+0x1b/0x1c0
[ 2056.560742][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23
[ 2056.561729][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000286
[ 2056.562040][ C0] RAX: ffff888008e4fa0c RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 2056.562448][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2056.562851][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2056.563255][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2056.563659][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2056.564065][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2056.564519][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2056.564857][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2056.565265][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2056.565676][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2056.566086][ C0] PKRU: 55555554
[ 2056.566270][ C0] Call Trace:
[ 2056.566444][ C0]
[ 2056.566595][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2056.566866][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2056.567114][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2056.567402][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2056.567679][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2056.567974][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2056.568244][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2056.568559][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2056.568824][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2056.569139][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2056.569442][ C0]
[ 2056.569592][ C0]
[ 2056.569746][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2056.570066][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2056.570362][ C0] ? kasan_check_range+0x1b/0x1c0
[ 2056.570623][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2056.570907][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2056.571224][ C0] ? __pfx___schedule+0x10/0x10
[ 2056.571480][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2056.571734][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2056.572009][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2056.572299][ C0] ? lock_acquire+0x1c1/0x220
[ 2056.572540][ C0] ? __mutex_lock+0x33e/0xb10
[ 2056.572784][ C0] ? __mutex_lock+0x811/0xb10
[ 2056.573027][ C0] _raw_spin_lock+0x67/0x80
[ 2056.573261][ C0] __mutex_lock+0x33e/0xb10
[ 2056.573495][ C0] ? __lock_release+0x40f/0x880
[ 2056.573746][ C0] ? __pfx___lock_release+0x10/0x10
[ 2056.574012][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2056.574315][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2056.574577][ C0] ? __pfx___up_read+0x10/0x10
[ 2056.574825][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2056.575097][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2056.575372][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2056.575670][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2056.575969][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2056.576258][ C0] __tcf_action_put+0x3d/0xf0
[ 2056.576503][ C0] tcf_action_destroy+0x43/0x130
[ 2056.576759][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2056.577003][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2056.577328][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2056.577606][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2056.577910][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2056.578208][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2056.578499][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2056.578814][ C0] ? __lock_release+0x40f/0x880
[ 2056.579065][ C0] ? __mutex_lock+0x26e/0xb10
[ 2056.579309][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2056.579595][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2056.579908][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2056.580218][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2056.580472][ C0] tcf_chain_flush+0x1e0/0x320
[ 2056.580718][ C0] __tcf_block_put+0x113/0x270
[ 2056.580966][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2056.581275][ C0] __qdisc_destroy+0xee/0x340
[ 2056.581521][ C0] dev_shutdown+0x129/0x350
[ 2056.581754][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2056.582081][ C0] ? rtnl_is_locked+0x15/0x20
[ 2056.582326][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2056.582648][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2056.582992][ C0] ? mutex_is_locked+0x17/0x50
[ 2056.583241][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2056.583551][ C0] cleanup_net+0x4cf/0xb60
[ 2056.583779][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2056.584069][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2056.584325][ C0] ? lock_acquire+0x1c1/0x220
[ 2056.584568][ C0] ? process_one_work+0x714/0x1310
[ 2056.584834][ C0] process_one_work+0x78c/0x1310
[ 2056.585089][ C0] ? hlock_class+0x4e/0x130
[ 2056.585323][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2056.585605][ C0] ? assign_work+0x16c/0x240
[ 2056.585845][ C0] worker_thread+0x73d/0x1010
[ 2056.586087][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2056.586425][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2056.586688][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2056.586949][ C0] kthread+0x28f/0x360
[ 2056.587163][ C0] ? __pfx_kthread+0x10/0x10
[ 2056.587403][ C0] ret_from_fork+0x31/0x70
[ 2056.587633][ C0] ? __pfx_kthread+0x10/0x10
[ 2056.587868][ C0] ret_from_fork_asm+0x1b/0x30
[ 2056.588122][ C0]
[ 2078.027344][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1507752 jiffies s: 1289 root: 0x1/.
[ 2078.028001][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2078.028386][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2078.028668][ C0] NMI backtrace for cpu 0
[ 2078.028673][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2078.028677][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2078.028680][ C0] Workqueue: netns cleanup_net
[ 2078.028688][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2078.028696][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2078.028699][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2078.028701][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2078.028703][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2078.028705][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2078.028707][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2078.028709][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2078.028710][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2078.028712][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2078.028716][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2078.028718][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2078.028719][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2078.028721][ C0] PKRU: 55555554
[ 2078.028722][ C0] Call Trace:
[ 2078.028725][ C0]
[ 2078.028728][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2078.028733][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2078.028739][ C0] ? nmi_handle+0x153/0x420
[ 2078.028745][ C0] ? default_do_nmi+0x41/0x100
[ 2078.028750][ C0] ? exc_nmi+0xf3/0x120
[ 2078.028752][ C0] ? end_repeat_nmi+0xf/0x60
[ 2078.028757][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2078.028761][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2078.028764][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2078.028768][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2078.028771][ C0]
[ 2078.028772][ C0]
[ 2078.028774][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2078.028778][ C0] ? __pfx___schedule+0x10/0x10
[ 2078.028784][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2078.028791][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2078.028794][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2078.028798][ C0] ? lock_acquire+0x1c1/0x220
[ 2078.028801][ C0] ? __mutex_lock+0x33e/0xb10
[ 2078.028805][ C0] ? __mutex_lock+0x811/0xb10
[ 2078.028808][ C0] _raw_spin_lock+0x67/0x80
[ 2078.028812][ C0] __mutex_lock+0x33e/0xb10
[ 2078.028815][ C0] ? __lock_release+0x40f/0x880
[ 2078.028818][ C0] ? __pfx___lock_release+0x10/0x10
[ 2078.028821][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.028827][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2078.028830][ C0] ? __pfx___up_read+0x10/0x10
[ 2078.028835][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2078.028838][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2078.028843][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2078.028849][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.028852][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.028857][ C0] __tcf_action_put+0x3d/0xf0
[ 2078.028861][ C0] tcf_action_destroy+0x43/0x130
[ 2078.028865][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2078.028869][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2078.028879][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2078.028888][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2078.028897][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2078.028906][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2078.028915][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2078.028923][ C0] ? __lock_release+0x40f/0x880
[ 2078.028927][ C0] ? __mutex_lock+0x26e/0xb10
[ 2078.028931][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2078.028940][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2078.028948][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2078.028953][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2078.028957][ C0] tcf_chain_flush+0x1e0/0x320
[ 2078.028961][ C0] __tcf_block_put+0x113/0x270
[ 2078.028966][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2078.028974][ C0] __qdisc_destroy+0xee/0x340
[ 2078.028979][ C0] dev_shutdown+0x129/0x350
[ 2078.028983][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2078.028988][ C0] ? rtnl_is_locked+0x15/0x20
[ 2078.028992][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2078.028994][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2078.028998][ C0] ? mutex_is_locked+0x17/0x50
[ 2078.029001][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2078.029007][ C0] cleanup_net+0x4cf/0xb60
[ 2078.029010][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2078.029013][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2078.029016][ C0] ? lock_acquire+0x1c1/0x220
[ 2078.029018][ C0] ? process_one_work+0x714/0x1310
[ 2078.029023][ C0] process_one_work+0x78c/0x1310
[ 2078.029028][ C0] ? hlock_class+0x4e/0x130
[ 2078.029031][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2078.029036][ C0] ? assign_work+0x16c/0x240
[ 2078.029039][ C0] worker_thread+0x73d/0x1010
[ 2078.029043][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2078.029047][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2078.029050][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2078.029052][ C0] kthread+0x28f/0x360
[ 2078.029056][ C0] ? __pfx_kthread+0x10/0x10
[ 2078.029058][ C0] ret_from_fork+0x31/0x70
[ 2078.029062][ C0] ? __pfx_kthread+0x10/0x10
[ 2078.029064][ C0] ret_from_fork_asm+0x1b/0x30
[ 2078.029073][ C0]
[ 2078.734325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2078.734690][ C0] rcu: 0-....: (1506503 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=328384
[ 2078.735254][ C0] rcu: (t=1508690 jiffies g=477977 q=5801 ncpus=4)
[ 2078.735601][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2078.736080][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2078.736700][ C0] Workqueue: netns cleanup_net
[ 2078.736950][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2078.737217][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2078.738205][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2078.738517][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2078.738920][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2078.739322][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2078.739728][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2078.740132][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2078.740536][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2078.740988][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2078.741323][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2078.741731][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2078.742134][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2078.742538][ C0] PKRU: 55555554
[ 2078.742721][ C0] Call Trace:
[ 2078.742895][ C0]
[ 2078.743044][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2078.743320][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2078.743576][ C0] ? check_cpu_stall+0x284/0x500
[ 2078.743829][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2078.744121][ C0] ? rcu_pending+0x92/0x360
[ 2078.744357][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2078.744630][ C0] ? update_process_times+0xb9/0x110
[ 2078.744906][ C0] ? tick_sched_handle+0x67/0x130
[ 2078.745166][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2078.745460][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2078.745706][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2078.746022][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2078.746297][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2078.746589][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2078.746860][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2078.747167][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2078.747433][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2078.747749][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2078.748052][ C0]
[ 2078.748203][ C0]
[ 2078.748357][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2078.748683][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2078.748982][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2078.749282][ C0] ? kasan_report+0xd2/0xf0
[ 2078.749519][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2078.749810][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2078.750127][ C0] ? __pfx___schedule+0x10/0x10
[ 2078.750379][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2078.750632][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2078.750909][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2078.751197][ C0] ? lock_acquire+0x1c1/0x220
[ 2078.751440][ C0] ? __mutex_lock+0x33e/0xb10
[ 2078.751683][ C0] ? __mutex_lock+0x811/0xb10
[ 2078.751923][ C0] _raw_spin_lock+0x67/0x80
[ 2078.752157][ C0] __mutex_lock+0x33e/0xb10
[ 2078.752392][ C0] ? __lock_release+0x40f/0x880
[ 2078.752642][ C0] ? __pfx___lock_release+0x10/0x10
[ 2078.752909][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.753210][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2078.753469][ C0] ? __pfx___up_read+0x10/0x10
[ 2078.753717][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2078.753988][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2078.754259][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2078.754557][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.754855][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2078.755147][ C0] __tcf_action_put+0x3d/0xf0
[ 2078.755399][ C0] tcf_action_destroy+0x43/0x130
[ 2078.755656][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2078.755898][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2078.756224][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2078.756506][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2078.756813][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2078.757114][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2078.757404][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2078.757720][ C0] ? __lock_release+0x40f/0x880
[ 2078.757971][ C0] ? __mutex_lock+0x26e/0xb10
[ 2078.758212][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2078.758501][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2078.758812][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2078.759120][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2078.759371][ C0] tcf_chain_flush+0x1e0/0x320
[ 2078.759619][ C0] __tcf_block_put+0x113/0x270
[ 2078.759868][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2078.760174][ C0] __qdisc_destroy+0xee/0x340
[ 2078.760419][ C0] dev_shutdown+0x129/0x350
[ 2078.760654][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2078.760979][ C0] ? rtnl_is_locked+0x15/0x20
[ 2078.761221][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2078.761541][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2078.761887][ C0] ? mutex_is_locked+0x17/0x50
[ 2078.762132][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2078.762437][ C0] cleanup_net+0x4cf/0xb60
[ 2078.762668][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2078.762954][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2078.763209][ C0] ? lock_acquire+0x1c1/0x220
[ 2078.763454][ C0] ? process_one_work+0x714/0x1310
[ 2078.763718][ C0] process_one_work+0x78c/0x1310
[ 2078.763974][ C0] ? hlock_class+0x4e/0x130
[ 2078.764209][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2078.764487][ C0] ? assign_work+0x16c/0x240
[ 2078.764725][ C0] worker_thread+0x73d/0x1010
[ 2078.764966][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2078.765303][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2078.765571][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2078.765834][ C0] kthread+0x28f/0x360
[ 2078.766045][ C0] ? __pfx_kthread+0x10/0x10
[ 2078.766282][ C0] ret_from_fork+0x31/0x70
[ 2078.766513][ C0] ? __pfx_kthread+0x10/0x10
[ 2078.766750][ C0] ret_from_fork_asm+0x1b/0x30
[ 2078.767002][ C0]
[ 2104.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1431s! [kworker/u8:1:71]
[ 2104.556269][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2104.556975][ C0] irq event stamp: 164379
[ 2104.557198][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2104.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2104.558155][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2104.558633][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2104.559103][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2104.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2104.560206][ C0] Workqueue: netns cleanup_net
[ 2104.560457][ C0] RIP: 0010:kasan_report+0x13/0xf0
[ 2104.560724][ C0] Code: 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c <8f> 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00
[ 2104.561709][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000282
[ 2104.562018][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2104.562424][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2104.562827][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2104.563229][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2104.563635][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2104.564042][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2104.564495][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2104.564831][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2104.565240][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2104.565647][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2104.566051][ C0] PKRU: 55555554
[ 2104.566235][ C0] Call Trace:
[ 2104.566407][ C0]
[ 2104.566560][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2104.566828][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2104.567078][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2104.567361][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2104.567639][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2104.567934][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2104.568206][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2104.568519][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2104.568786][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2104.569099][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2104.569402][ C0]
[ 2104.569553][ C0]
[ 2104.569707][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2104.570029][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2104.570326][ C0] ? kasan_report+0x13/0xf0
[ 2104.570566][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2104.570854][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2104.571171][ C0] ? __pfx___schedule+0x10/0x10
[ 2104.571425][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2104.571680][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2104.571955][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2104.572245][ C0] ? lock_acquire+0x1c1/0x220
[ 2104.572486][ C0] ? __mutex_lock+0x33e/0xb10
[ 2104.572731][ C0] ? __mutex_lock+0x811/0xb10
[ 2104.572974][ C0] _raw_spin_lock+0x67/0x80
[ 2104.573208][ C0] __mutex_lock+0x33e/0xb10
[ 2104.573444][ C0] ? __lock_release+0x40f/0x880
[ 2104.573695][ C0] ? __pfx___lock_release+0x10/0x10
[ 2104.573962][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2104.574265][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2104.574526][ C0] ? __pfx___up_read+0x10/0x10
[ 2104.574774][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2104.575046][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2104.575323][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2104.575620][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2104.575919][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2104.576209][ C0] __tcf_action_put+0x3d/0xf0
[ 2104.576454][ C0] tcf_action_destroy+0x43/0x130
[ 2104.576710][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2104.576954][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2104.577279][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2104.577556][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2104.577863][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2104.578161][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2104.578452][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2104.578768][ C0] ? __lock_release+0x40f/0x880
[ 2104.579020][ C0] ? __mutex_lock+0x26e/0xb10
[ 2104.579263][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2104.579551][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2104.579863][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2104.580173][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2104.580428][ C0] tcf_chain_flush+0x1e0/0x320
[ 2104.580674][ C0] __tcf_block_put+0x113/0x270
[ 2104.580921][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2104.581230][ C0] __qdisc_destroy+0xee/0x340
[ 2104.581476][ C0] dev_shutdown+0x129/0x350
[ 2104.581708][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2104.582036][ C0] ? rtnl_is_locked+0x15/0x20
[ 2104.582280][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2104.582602][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2104.582946][ C0] ? mutex_is_locked+0x17/0x50
[ 2104.583193][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2104.583504][ C0] cleanup_net+0x4cf/0xb60
[ 2104.583731][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2104.584021][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2104.584277][ C0] ? lock_acquire+0x1c1/0x220
[ 2104.584519][ C0] ? process_one_work+0x714/0x1310
[ 2104.584785][ C0] process_one_work+0x78c/0x1310
[ 2104.585040][ C0] ? hlock_class+0x4e/0x130
[ 2104.585279][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2104.585557][ C0] ? assign_work+0x16c/0x240
[ 2104.585797][ C0] worker_thread+0x73d/0x1010
[ 2104.586039][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2104.586377][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2104.586640][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2104.586902][ C0] kthread+0x28f/0x360
[ 2104.587112][ C0] ? __pfx_kthread+0x10/0x10
[ 2104.587353][ C0] ret_from_fork+0x31/0x70
[ 2104.587584][ C0] ? __pfx_kthread+0x10/0x10
[ 2104.587819][ C0] ret_from_fork_asm+0x1b/0x30
[ 2104.588076][ C0]
[ 2132.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1457s! [kworker/u8:1:71]
[ 2132.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2132.556979][ C0] irq event stamp: 164379
[ 2132.557199][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2132.557680][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2132.558157][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2132.558631][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2132.559100][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2132.559582][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2132.560201][ C0] Workqueue: netns cleanup_net
[ 2132.560454][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2132.560719][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2132.561703][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2132.562014][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2132.562416][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2132.562823][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2132.563226][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2132.563631][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2132.564034][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2132.564488][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2132.564828][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2132.565236][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2132.565642][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2132.566045][ C0] PKRU: 55555554
[ 2132.566229][ C0] Call Trace:
[ 2132.566405][ C0]
[ 2132.566553][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2132.566820][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2132.567069][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2132.567356][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2132.567633][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2132.567924][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2132.568192][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2132.568505][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2132.568771][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2132.569085][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2132.569386][ C0]
[ 2132.569538][ C0]
[ 2132.569688][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2132.570010][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2132.570311][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2132.570612][ C0] ? kasan_report+0xd2/0xf0
[ 2132.570847][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2132.571149][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2132.571438][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2132.571757][ C0] ? __pfx___schedule+0x10/0x10
[ 2132.572011][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2132.572269][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2132.572547][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2132.572839][ C0] ? lock_acquire+0x1c1/0x220
[ 2132.573082][ C0] ? __mutex_lock+0x33e/0xb10
[ 2132.573329][ C0] ? __mutex_lock+0x811/0xb10
[ 2132.573574][ C0] _raw_spin_lock+0x67/0x80
[ 2132.573808][ C0] __mutex_lock+0x33e/0xb10
[ 2132.574045][ C0] ? __lock_release+0x40f/0x880
[ 2132.574299][ C0] ? __pfx___lock_release+0x10/0x10
[ 2132.574570][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2132.574876][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2132.575142][ C0] ? __pfx___up_read+0x10/0x10
[ 2132.575391][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2132.575667][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2132.575942][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2132.576243][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2132.576548][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2132.576839][ C0] __tcf_action_put+0x3d/0xf0
[ 2132.577085][ C0] tcf_action_destroy+0x43/0x130
[ 2132.577345][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2132.577589][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2132.577914][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2132.578191][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2132.578495][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2132.578794][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2132.579084][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2132.579402][ C0] ? __lock_release+0x40f/0x880
[ 2132.579654][ C0] ? __mutex_lock+0x26e/0xb10
[ 2132.579899][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2132.580184][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2132.580499][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2132.580808][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2132.581059][ C0] tcf_chain_flush+0x1e0/0x320
[ 2132.581306][ C0] __tcf_block_put+0x113/0x270
[ 2132.581557][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2132.581866][ C0] __qdisc_destroy+0xee/0x340
[ 2132.582110][ C0] dev_shutdown+0x129/0x350
[ 2132.582345][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2132.582671][ C0] ? rtnl_is_locked+0x15/0x20
[ 2132.582915][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2132.583235][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2132.583582][ C0] ? mutex_is_locked+0x17/0x50
[ 2132.583828][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2132.584135][ C0] cleanup_net+0x4cf/0xb60
[ 2132.584365][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2132.584654][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2132.584909][ C0] ? lock_acquire+0x1c1/0x220
[ 2132.585155][ C0] ? process_one_work+0x714/0x1310
[ 2132.585423][ C0] process_one_work+0x78c/0x1310
[ 2132.585679][ C0] ? hlock_class+0x4e/0x130
[ 2132.585916][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2132.586192][ C0] ? assign_work+0x16c/0x240
[ 2132.586433][ C0] worker_thread+0x73d/0x1010
[ 2132.586677][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2132.587014][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2132.587278][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2132.587541][ C0] kthread+0x28f/0x360
[ 2132.587752][ C0] ? __pfx_kthread+0x10/0x10
[ 2132.587990][ C0] ret_from_fork+0x31/0x70
[ 2132.588220][ C0] ? __pfx_kthread+0x10/0x10
[ 2132.588459][ C0] ret_from_fork_asm+0x1b/0x30
[ 2132.588712][ C0]
[ 2156.770325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2156.770696][ C0] rcu: 0-....: (1584445 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=346561
[ 2156.771257][ C0] rcu: (t=1586726 jiffies g=477977 q=5801 ncpus=4)
[ 2156.771598][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2156.772079][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2156.772699][ C0] Workqueue: netns cleanup_net
[ 2156.772953][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2156.773220][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2156.774202][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2156.774516][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 2156.774924][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2156.775335][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2156.775739][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2156.776143][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 2156.776549][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2156.777001][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2156.777340][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2156.777744][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2156.778148][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2156.778554][ C0] PKRU: 55555554
[ 2156.778742][ C0] Call Trace:
[ 2156.778917][ C0]
[ 2156.779067][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2156.779347][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2156.779603][ C0] ? check_cpu_stall+0x284/0x500
[ 2156.779856][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2156.780148][ C0] ? rcu_pending+0x92/0x360
[ 2156.780383][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2156.780658][ C0] ? update_process_times+0xb9/0x110
[ 2156.780932][ C0] ? tick_sched_handle+0x67/0x130
[ 2156.781191][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2156.781479][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2156.781725][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2156.782041][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2156.782316][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2156.782610][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2156.782878][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2156.783189][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2156.783455][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2156.783768][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2156.784074][ C0]
[ 2156.784226][ C0]
[ 2156.784379][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2156.784703][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2156.785000][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2156.785295][ C0] ? kasan_report+0xd2/0xf0
[ 2156.785532][ C0] kasan_check_range+0x39/0x1c0
[ 2156.785785][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2156.786071][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2156.786387][ C0] ? __pfx___schedule+0x10/0x10
[ 2156.786639][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2156.786893][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2156.787169][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2156.787458][ C0] ? lock_acquire+0x1c1/0x220
[ 2156.787701][ C0] ? __mutex_lock+0x33e/0xb10
[ 2156.787943][ C0] ? __mutex_lock+0x811/0xb10
[ 2156.788184][ C0] _raw_spin_lock+0x67/0x80
[ 2156.788421][ C0] __mutex_lock+0x33e/0xb10
[ 2156.788654][ C0] ? __lock_release+0x40f/0x880
[ 2156.788903][ C0] ? __pfx___lock_release+0x10/0x10
[ 2156.789174][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2156.789476][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2156.789735][ C0] ? __pfx___up_read+0x10/0x10
[ 2156.789983][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2156.790254][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2156.790528][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2156.790826][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2156.791125][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2156.791421][ C0] __tcf_action_put+0x3d/0xf0
[ 2156.791667][ C0] tcf_action_destroy+0x43/0x130
[ 2156.791924][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2156.792168][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2156.792496][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2156.792774][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2156.793082][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2156.793381][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2156.793672][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2156.793988][ C0] ? __lock_release+0x40f/0x880
[ 2156.794238][ C0] ? __mutex_lock+0x26e/0xb10
[ 2156.794482][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2156.794769][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2156.795082][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2156.795393][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2156.795644][ C0] tcf_chain_flush+0x1e0/0x320
[ 2156.795892][ C0] __tcf_block_put+0x113/0x270
[ 2156.796140][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2156.796447][ C0] __qdisc_destroy+0xee/0x340
[ 2156.796691][ C0] dev_shutdown+0x129/0x350
[ 2156.796927][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2156.797253][ C0] ? rtnl_is_locked+0x15/0x20
[ 2156.797495][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2156.797814][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2156.798161][ C0] ? mutex_is_locked+0x17/0x50
[ 2156.798406][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2156.798713][ C0] cleanup_net+0x4cf/0xb60
[ 2156.798944][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2156.799231][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2156.799487][ C0] ? lock_acquire+0x1c1/0x220
[ 2156.799729][ C0] ? process_one_work+0x714/0x1310
[ 2156.799995][ C0] process_one_work+0x78c/0x1310
[ 2156.800251][ C0] ? hlock_class+0x4e/0x130
[ 2156.800485][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2156.800763][ C0] ? assign_work+0x16c/0x240
[ 2156.801000][ C0] worker_thread+0x73d/0x1010
[ 2156.801243][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2156.801581][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2156.801843][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2156.802107][ C0] kthread+0x28f/0x360
[ 2156.802319][ C0] ? __pfx_kthread+0x10/0x10
[ 2156.802555][ C0] ret_from_fork+0x31/0x70
[ 2156.802787][ C0] ? __pfx_kthread+0x10/0x10
[ 2156.803024][ C0] ret_from_fork_asm+0x1b/0x30
[ 2156.803275][ C0]
[ 2176.331341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1606056 jiffies s: 1289 root: 0x1/.
[ 2176.331995][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2176.332375][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2176.332660][ C0] NMI backtrace for cpu 0
[ 2176.332665][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2176.332669][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2176.332672][ C0] Workqueue: netns cleanup_net
[ 2176.332679][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2176.332687][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2176.332690][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2176.332692][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2176.332694][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2176.332696][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2176.332698][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2176.332700][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2176.332702][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2176.332704][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2176.332708][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2176.332709][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2176.332711][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2176.332712][ C0] PKRU: 55555554
[ 2176.332714][ C0] Call Trace:
[ 2176.332717][ C0]
[ 2176.332720][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2176.332726][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2176.332732][ C0] ? nmi_handle+0x153/0x420
[ 2176.332737][ C0] ? default_do_nmi+0x41/0x100
[ 2176.332742][ C0] ? exc_nmi+0xf3/0x120
[ 2176.332745][ C0] ? end_repeat_nmi+0xf/0x60
[ 2176.332749][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2176.332753][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2176.332756][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2176.332760][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2176.332763][ C0]
[ 2176.332764][ C0]
[ 2176.332766][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2176.332770][ C0] ? __pfx___schedule+0x10/0x10
[ 2176.332776][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2176.332783][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2176.332785][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2176.332789][ C0] ? lock_acquire+0x1c1/0x220
[ 2176.332791][ C0] ? __mutex_lock+0x33e/0xb10
[ 2176.332796][ C0] ? __mutex_lock+0x811/0xb10
[ 2176.332799][ C0] _raw_spin_lock+0x67/0x80
[ 2176.332803][ C0] __mutex_lock+0x33e/0xb10
[ 2176.332806][ C0] ? __lock_release+0x40f/0x880
[ 2176.332809][ C0] ? __pfx___lock_release+0x10/0x10
[ 2176.332811][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2176.332818][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2176.332821][ C0] ? __pfx___up_read+0x10/0x10
[ 2176.332825][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2176.332828][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2176.332833][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2176.332839][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2176.332843][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2176.332848][ C0] __tcf_action_put+0x3d/0xf0
[ 2176.332852][ C0] tcf_action_destroy+0x43/0x130
[ 2176.332856][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2176.332859][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2176.332872][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2176.332880][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2176.332889][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2176.332898][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2176.332908][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2176.332915][ C0] ? __lock_release+0x40f/0x880
[ 2176.332919][ C0] ? __mutex_lock+0x26e/0xb10
[ 2176.332923][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2176.332932][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2176.332940][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2176.332945][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2176.332949][ C0] tcf_chain_flush+0x1e0/0x320
[ 2176.332953][ C0] __tcf_block_put+0x113/0x270
[ 2176.332958][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2176.332966][ C0] __qdisc_destroy+0xee/0x340
[ 2176.332970][ C0] dev_shutdown+0x129/0x350
[ 2176.332974][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2176.332979][ C0] ? rtnl_is_locked+0x15/0x20
[ 2176.332983][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2176.332985][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2176.332989][ C0] ? mutex_is_locked+0x17/0x50
[ 2176.332991][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2176.332998][ C0] cleanup_net+0x4cf/0xb60
[ 2176.333001][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2176.333003][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2176.333007][ C0] ? lock_acquire+0x1c1/0x220
[ 2176.333009][ C0] ? process_one_work+0x714/0x1310
[ 2176.333015][ C0] process_one_work+0x78c/0x1310
[ 2176.333020][ C0] ? hlock_class+0x4e/0x130
[ 2176.333023][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2176.333028][ C0] ? assign_work+0x16c/0x240
[ 2176.333031][ C0] worker_thread+0x73d/0x1010
[ 2176.333034][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2176.333038][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2176.333041][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2176.333044][ C0] kthread+0x28f/0x360
[ 2176.333046][ C0] ? __pfx_kthread+0x10/0x10
[ 2176.333049][ C0] ret_from_fork+0x31/0x70
[ 2176.333052][ C0] ? __pfx_kthread+0x10/0x10
[ 2176.333054][ C0] ret_from_fork_asm+0x1b/0x30
[ 2176.333064][ C0]
[ 2200.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1520s! [kworker/u8:1:71]
[ 2200.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2200.556975][ C0] irq event stamp: 164379
[ 2200.557197][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2200.557676][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2200.558152][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2200.558629][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2200.559097][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2200.559576][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2200.560198][ C0] Workqueue: netns cleanup_net
[ 2200.560450][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2200.560778][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2200.561756][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2200.562067][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2200.562471][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2200.562873][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2200.563278][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2200.563682][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2200.564086][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2200.564539][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2200.564880][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2200.565287][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2200.565691][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2200.566093][ C0] PKRU: 55555554
[ 2200.566277][ C0] Call Trace:
[ 2200.566453][ C0]
[ 2200.566603][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2200.566869][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2200.567117][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2200.567399][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2200.567674][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2200.567967][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2200.568237][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2200.568552][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2200.568819][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2200.569134][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2200.569435][ C0]
[ 2200.569590][ C0]
[ 2200.569742][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2200.570069][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2200.570372][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2200.570673][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2200.570990][ C0] ? __pfx___schedule+0x10/0x10
[ 2200.571245][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2200.571502][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2200.571778][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2200.572068][ C0] ? lock_acquire+0x1c1/0x220
[ 2200.572310][ C0] ? __mutex_lock+0x33e/0xb10
[ 2200.572557][ C0] ? __mutex_lock+0x811/0xb10
[ 2200.572803][ C0] _raw_spin_lock+0x67/0x80
[ 2200.573037][ C0] __mutex_lock+0x33e/0xb10
[ 2200.573274][ C0] ? __lock_release+0x40f/0x880
[ 2200.573528][ C0] ? __pfx___lock_release+0x10/0x10
[ 2200.573797][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2200.574101][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2200.574363][ C0] ? __pfx___up_read+0x10/0x10
[ 2200.574612][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2200.574892][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2200.575167][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2200.575470][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2200.575772][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2200.576062][ C0] __tcf_action_put+0x3d/0xf0
[ 2200.576310][ C0] tcf_action_destroy+0x43/0x130
[ 2200.576570][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2200.576815][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2200.577141][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2200.577420][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2200.577725][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2200.578026][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2200.578317][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2200.578638][ C0] ? __lock_release+0x40f/0x880
[ 2200.578891][ C0] ? __mutex_lock+0x26e/0xb10
[ 2200.579136][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2200.579422][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2200.579735][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2200.580044][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2200.580295][ C0] tcf_chain_flush+0x1e0/0x320
[ 2200.580542][ C0] __tcf_block_put+0x113/0x270
[ 2200.580791][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2200.581100][ C0] __qdisc_destroy+0xee/0x340
[ 2200.581345][ C0] dev_shutdown+0x129/0x350
[ 2200.581578][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2200.581904][ C0] ? rtnl_is_locked+0x15/0x20
[ 2200.582148][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2200.582469][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2200.582814][ C0] ? mutex_is_locked+0x17/0x50
[ 2200.583059][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2200.583368][ C0] cleanup_net+0x4cf/0xb60
[ 2200.583597][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2200.583886][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2200.584141][ C0] ? lock_acquire+0x1c1/0x220
[ 2200.584382][ C0] ? process_one_work+0x714/0x1310
[ 2200.584648][ C0] process_one_work+0x78c/0x1310
[ 2200.584906][ C0] ? hlock_class+0x4e/0x130
[ 2200.585142][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2200.585420][ C0] ? assign_work+0x16c/0x240
[ 2200.585659][ C0] worker_thread+0x73d/0x1010
[ 2200.585902][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2200.586244][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2200.586509][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2200.586771][ C0] kthread+0x28f/0x360
[ 2200.586981][ C0] ? __pfx_kthread+0x10/0x10
[ 2200.587220][ C0] ret_from_fork+0x31/0x70
[ 2200.587454][ C0] ? __pfx_kthread+0x10/0x10
[ 2200.587691][ C0] ret_from_fork_asm+0x1b/0x30
[ 2200.587944][ C0]
[ 2228.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1546s! [kworker/u8:1:71]
[ 2228.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2228.556982][ C0] irq event stamp: 164379
[ 2228.557202][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2228.557680][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2228.558158][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2228.558633][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2228.559101][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2228.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2228.560203][ C0] Workqueue: netns cleanup_net
[ 2228.560454][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2228.560782][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2228.561771][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2228.562082][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2228.562487][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2228.562891][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2228.563296][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2228.563703][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2228.564105][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2228.564559][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2228.564906][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2228.565312][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2228.565717][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2228.566119][ C0] PKRU: 55555554
[ 2228.566303][ C0] Call Trace:
[ 2228.566478][ C0]
[ 2228.566628][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2228.566896][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2228.567144][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2228.567425][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2228.567704][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2228.567995][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2228.568263][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2228.568575][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2228.568841][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2228.569156][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2228.569461][ C0]
[ 2228.569613][ C0]
[ 2228.569764][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2228.570086][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2228.570389][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2228.570687][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2228.571005][ C0] ? __pfx___schedule+0x10/0x10
[ 2228.571258][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2228.571515][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2228.571790][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2228.572079][ C0] ? lock_acquire+0x1c1/0x220
[ 2228.572320][ C0] ? __mutex_lock+0x33e/0xb10
[ 2228.572565][ C0] ? __mutex_lock+0x811/0xb10
[ 2228.572807][ C0] _raw_spin_lock+0x67/0x80
[ 2228.573042][ C0] __mutex_lock+0x33e/0xb10
[ 2228.573274][ C0] ? __lock_release+0x40f/0x880
[ 2228.573526][ C0] ? __pfx___lock_release+0x10/0x10
[ 2228.573793][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2228.574095][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2228.574359][ C0] ? __pfx___up_read+0x10/0x10
[ 2228.574612][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2228.574887][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2228.575161][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2228.575459][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2228.575761][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2228.576051][ C0] __tcf_action_put+0x3d/0xf0
[ 2228.576294][ C0] tcf_action_destroy+0x43/0x130
[ 2228.576551][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2228.576795][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2228.577118][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2228.577396][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2228.577700][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2228.577997][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2228.578287][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2228.578607][ C0] ? __lock_release+0x40f/0x880
[ 2228.578857][ C0] ? __mutex_lock+0x26e/0xb10
[ 2228.579101][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2228.579387][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2228.579704][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2228.580013][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2228.580265][ C0] tcf_chain_flush+0x1e0/0x320
[ 2228.580514][ C0] __tcf_block_put+0x113/0x270
[ 2228.580760][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2228.581068][ C0] __qdisc_destroy+0xee/0x340
[ 2228.581318][ C0] dev_shutdown+0x129/0x350
[ 2228.581553][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2228.581878][ C0] ? rtnl_is_locked+0x15/0x20
[ 2228.582121][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2228.582444][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2228.582790][ C0] ? mutex_is_locked+0x17/0x50
[ 2228.583038][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2228.583347][ C0] cleanup_net+0x4cf/0xb60
[ 2228.583578][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2228.583868][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2228.584125][ C0] ? lock_acquire+0x1c1/0x220
[ 2228.584369][ C0] ? process_one_work+0x714/0x1310
[ 2228.584645][ C0] process_one_work+0x78c/0x1310
[ 2228.584904][ C0] ? hlock_class+0x4e/0x130
[ 2228.585138][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2228.585421][ C0] ? assign_work+0x16c/0x240
[ 2228.585659][ C0] worker_thread+0x73d/0x1010
[ 2228.585906][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2228.586245][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2228.586511][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2228.586774][ C0] kthread+0x28f/0x360
[ 2228.586989][ C0] ? __pfx_kthread+0x10/0x10
[ 2228.587226][ C0] ret_from_fork+0x31/0x70
[ 2228.587461][ C0] ? __pfx_kthread+0x10/0x10
[ 2228.587699][ C0] ret_from_fork_asm+0x1b/0x30
[ 2228.587952][ C0]
[ 2234.807324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2234.807677][ C0] rcu: 0-....: (1662362 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=363679
[ 2234.808237][ C0] rcu: (t=1664763 jiffies g=477977 q=5801 ncpus=4)
[ 2234.808576][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2234.809057][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2234.809682][ C0] Workqueue: netns cleanup_net
[ 2234.809934][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2234.810201][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2234.811183][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2234.811496][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2234.811899][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2234.812305][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2234.812710][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2234.813114][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2234.813518][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2234.813971][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2234.814309][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2234.814721][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2234.815126][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2234.815530][ C0] PKRU: 55555554
[ 2234.815713][ C0] Call Trace:
[ 2234.815887][ C0]
[ 2234.816035][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2234.816314][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2234.816570][ C0] ? check_cpu_stall+0x284/0x500
[ 2234.816824][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2234.817116][ C0] ? rcu_pending+0x92/0x360
[ 2234.817350][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2234.817626][ C0] ? update_process_times+0xb9/0x110
[ 2234.817899][ C0] ? tick_sched_handle+0x67/0x130
[ 2234.818159][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2234.818448][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2234.818694][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2234.819009][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2234.819285][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2234.819579][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2234.819848][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2234.820158][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2234.820424][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2234.820737][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2234.821038][ C0]
[ 2234.821191][ C0]
[ 2234.821344][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2234.821664][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2234.821963][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2234.822263][ C0] ? kasan_report+0xd2/0xf0
[ 2234.822502][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2234.822790][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2234.823107][ C0] ? __pfx___schedule+0x10/0x10
[ 2234.823362][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2234.823615][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2234.823889][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2234.824176][ C0] ? lock_acquire+0x1c1/0x220
[ 2234.824421][ C0] ? __mutex_lock+0x33e/0xb10
[ 2234.824668][ C0] ? __mutex_lock+0x811/0xb10
[ 2234.824911][ C0] _raw_spin_lock+0x67/0x80
[ 2234.825143][ C0] __mutex_lock+0x33e/0xb10
[ 2234.825379][ C0] ? __lock_release+0x40f/0x880
[ 2234.825630][ C0] ? __pfx___lock_release+0x10/0x10
[ 2234.825897][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2234.826201][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2234.826461][ C0] ? __pfx___up_read+0x10/0x10
[ 2234.826713][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2234.826986][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2234.827260][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2234.827555][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2234.827857][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2234.828148][ C0] __tcf_action_put+0x3d/0xf0
[ 2234.828396][ C0] tcf_action_destroy+0x43/0x130
[ 2234.828653][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2234.828898][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2234.829223][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2234.829503][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2234.829808][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2234.830114][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2234.830405][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2234.830721][ C0] ? __lock_release+0x40f/0x880
[ 2234.830972][ C0] ? __mutex_lock+0x26e/0xb10
[ 2234.831217][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2234.831503][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2234.831815][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2234.832123][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2234.832375][ C0] tcf_chain_flush+0x1e0/0x320
[ 2234.832623][ C0] __tcf_block_put+0x113/0x270
[ 2234.832871][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2234.833180][ C0] __qdisc_destroy+0xee/0x340
[ 2234.833422][ C0] dev_shutdown+0x129/0x350
[ 2234.833657][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2234.833981][ C0] ? rtnl_is_locked+0x15/0x20
[ 2234.834225][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2234.834546][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2234.834895][ C0] ? mutex_is_locked+0x17/0x50
[ 2234.835141][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2234.835448][ C0] cleanup_net+0x4cf/0xb60
[ 2234.835675][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2234.835964][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2234.836218][ C0] ? lock_acquire+0x1c1/0x220
[ 2234.836459][ C0] ? process_one_work+0x714/0x1310
[ 2234.836723][ C0] process_one_work+0x78c/0x1310
[ 2234.836980][ C0] ? hlock_class+0x4e/0x130
[ 2234.837216][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2234.837493][ C0] ? assign_work+0x16c/0x240
[ 2234.837733][ C0] worker_thread+0x73d/0x1010
[ 2234.837975][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2234.838312][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2234.838576][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2234.838838][ C0] kthread+0x28f/0x360
[ 2234.839048][ C0] ? __pfx_kthread+0x10/0x10
[ 2234.839286][ C0] ret_from_fork+0x31/0x70
[ 2234.839516][ C0] ? __pfx_kthread+0x10/0x10
[ 2234.839753][ C0] ret_from_fork_asm+0x1b/0x30
[ 2234.840005][ C0]
[ 2260.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1576s! [kworker/u8:1:71]
[ 2260.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2260.556973][ C0] irq event stamp: 164379
[ 2260.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2260.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2260.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2260.558625][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2260.559097][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2260.559577][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2260.560196][ C0] Workqueue: netns cleanup_net
[ 2260.560447][ C0] RIP: 0010:kasan_check_range+0x3e/0x1c0
[ 2260.560742][ C0] Code: b6 c2 48 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 57 e8 ff ff 83 f0 01 5b 5d <41> 5c c3 cc cc cc cc 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd
[ 2260.561725][ C0] RSP: 0018:ffffc9000051f3d0 EFLAGS: 00000202
[ 2260.562037][ C0] RAX: 0000000000000001 RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 2260.562441][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2260.562843][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2260.563246][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2260.563652][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2260.564055][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2260.564512][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2260.564850][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2260.565256][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2260.565662][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2260.566065][ C0] PKRU: 55555554
[ 2260.566249][ C0] Call Trace:
[ 2260.566426][ C0]
[ 2260.566575][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2260.566842][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2260.567091][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2260.567372][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2260.567647][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2260.567941][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2260.568210][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2260.568522][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2260.568788][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2260.569101][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2260.569401][ C0]
[ 2260.569554][ C0]
[ 2260.569706][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2260.570029][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2260.570323][ C0] ? kasan_check_range+0x3e/0x1c0
[ 2260.570587][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2260.570877][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2260.571196][ C0] ? __pfx___schedule+0x10/0x10
[ 2260.571454][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2260.571710][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2260.571988][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2260.572278][ C0] ? lock_acquire+0x1c1/0x220
[ 2260.572524][ C0] ? __mutex_lock+0x33e/0xb10
[ 2260.572775][ C0] ? __mutex_lock+0x811/0xb10
[ 2260.573018][ C0] _raw_spin_lock+0x67/0x80
[ 2260.573255][ C0] __mutex_lock+0x33e/0xb10
[ 2260.573492][ C0] ? __lock_release+0x40f/0x880
[ 2260.573743][ C0] ? __pfx___lock_release+0x10/0x10
[ 2260.574013][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2260.574316][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2260.574584][ C0] ? __pfx___up_read+0x10/0x10
[ 2260.574834][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2260.575107][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2260.575383][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2260.575689][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2260.575990][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2260.576282][ C0] __tcf_action_put+0x3d/0xf0
[ 2260.576531][ C0] tcf_action_destroy+0x43/0x130
[ 2260.576789][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2260.577031][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2260.577359][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2260.577639][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2260.577946][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2260.578246][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2260.578540][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2260.578858][ C0] ? __lock_release+0x40f/0x880
[ 2260.579110][ C0] ? __mutex_lock+0x26e/0xb10
[ 2260.579356][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2260.579646][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2260.579958][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2260.580270][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2260.580526][ C0] tcf_chain_flush+0x1e0/0x320
[ 2260.580775][ C0] __tcf_block_put+0x113/0x270
[ 2260.581024][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2260.581333][ C0] __qdisc_destroy+0xee/0x340
[ 2260.581580][ C0] dev_shutdown+0x129/0x350
[ 2260.581818][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2260.582149][ C0] ? rtnl_is_locked+0x15/0x20
[ 2260.582396][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2260.582716][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2260.583066][ C0] ? mutex_is_locked+0x17/0x50
[ 2260.583313][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2260.583622][ C0] cleanup_net+0x4cf/0xb60
[ 2260.583854][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2260.584142][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2260.584400][ C0] ? lock_acquire+0x1c1/0x220
[ 2260.584647][ C0] ? process_one_work+0x714/0x1310
[ 2260.584914][ C0] process_one_work+0x78c/0x1310
[ 2260.585172][ C0] ? hlock_class+0x4e/0x130
[ 2260.585410][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2260.585689][ C0] ? assign_work+0x16c/0x240
[ 2260.585929][ C0] worker_thread+0x73d/0x1010
[ 2260.586174][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2260.586516][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2260.586787][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2260.587051][ C0] kthread+0x28f/0x360
[ 2260.587264][ C0] ? __pfx_kthread+0x10/0x10
[ 2260.587504][ C0] ret_from_fork+0x31/0x70
[ 2260.587736][ C0] ? __pfx_kthread+0x10/0x10
[ 2260.587981][ C0] ret_from_fork_asm+0x1b/0x30
[ 2260.588232][ C0]
[ 2274.635341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1704360 jiffies s: 1289 root: 0x1/.
[ 2274.635996][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2274.636379][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2274.636660][ C0] NMI backtrace for cpu 0
[ 2274.636665][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2274.636670][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2274.636674][ C0] Workqueue: netns cleanup_net
[ 2274.636681][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 2274.636687][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 2274.636690][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2274.636692][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2274.636694][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2274.636696][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2274.636698][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2274.636699][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2274.636701][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2274.636703][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2274.636707][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2274.636709][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2274.636710][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2274.636711][ C0] PKRU: 55555554
[ 2274.636713][ C0] Call Trace:
[ 2274.636716][ C0]
[ 2274.636719][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2274.636726][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2274.636731][ C0] ? nmi_handle+0x153/0x420
[ 2274.636737][ C0] ? default_do_nmi+0x41/0x100
[ 2274.636742][ C0] ? exc_nmi+0xf3/0x120
[ 2274.636745][ C0] ? end_repeat_nmi+0xf/0x60
[ 2274.636750][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2274.636756][ C0] ? kasan_report+0x22/0xf0
[ 2274.636759][ C0] ? kasan_report+0x22/0xf0
[ 2274.636763][ C0] ? kasan_report+0x22/0xf0
[ 2274.636766][ C0]
[ 2274.636766][ C0]
[ 2274.636770][ C0] kasan_check_range+0x39/0x1c0
[ 2274.636776][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2274.636780][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2274.636784][ C0] ? __pfx___schedule+0x10/0x10
[ 2274.636790][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2274.636796][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2274.636800][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2274.636803][ C0] ? lock_acquire+0x1c1/0x220
[ 2274.636806][ C0] ? __mutex_lock+0x33e/0xb10
[ 2274.636810][ C0] ? __mutex_lock+0x811/0xb10
[ 2274.636813][ C0] _raw_spin_lock+0x67/0x80
[ 2274.636816][ C0] __mutex_lock+0x33e/0xb10
[ 2274.636819][ C0] ? __lock_release+0x40f/0x880
[ 2274.636822][ C0] ? __pfx___lock_release+0x10/0x10
[ 2274.636825][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2274.636831][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2274.636834][ C0] ? __pfx___up_read+0x10/0x10
[ 2274.636838][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2274.636841][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2274.636846][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2274.636852][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2274.636855][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2274.636860][ C0] __tcf_action_put+0x3d/0xf0
[ 2274.636864][ C0] tcf_action_destroy+0x43/0x130
[ 2274.636868][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2274.636872][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2274.636882][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2274.636891][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2274.636899][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2274.636908][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2274.636917][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2274.636925][ C0] ? __lock_release+0x40f/0x880
[ 2274.636928][ C0] ? __mutex_lock+0x26e/0xb10
[ 2274.636933][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2274.636942][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2274.636950][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2274.636955][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2274.636959][ C0] tcf_chain_flush+0x1e0/0x320
[ 2274.636963][ C0] __tcf_block_put+0x113/0x270
[ 2274.636967][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2274.636975][ C0] __qdisc_destroy+0xee/0x340
[ 2274.636980][ C0] dev_shutdown+0x129/0x350
[ 2274.636984][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2274.636988][ C0] ? rtnl_is_locked+0x15/0x20
[ 2274.636992][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2274.636995][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2274.636998][ C0] ? mutex_is_locked+0x17/0x50
[ 2274.637001][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2274.637006][ C0] cleanup_net+0x4cf/0xb60
[ 2274.637009][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2274.637012][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2274.637015][ C0] ? lock_acquire+0x1c1/0x220
[ 2274.637017][ C0] ? process_one_work+0x714/0x1310
[ 2274.637022][ C0] process_one_work+0x78c/0x1310
[ 2274.637027][ C0] ? hlock_class+0x4e/0x130
[ 2274.637030][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2274.637035][ C0] ? assign_work+0x16c/0x240
[ 2274.637038][ C0] worker_thread+0x73d/0x1010
[ 2274.637041][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2274.637045][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2274.637048][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2274.637051][ C0] kthread+0x28f/0x360
[ 2274.637053][ C0] ? __pfx_kthread+0x10/0x10
[ 2274.637056][ C0] ret_from_fork+0x31/0x70
[ 2274.637059][ C0] ? __pfx_kthread+0x10/0x10
[ 2274.637061][ C0] ret_from_fork_asm+0x1b/0x30
[ 2274.637069][ C0]
[ 2300.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1613s! [kworker/u8:1:71]
[ 2300.556266][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2300.556975][ C0] irq event stamp: 164379
[ 2300.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2300.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2300.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2300.558625][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2300.559093][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2300.559574][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2300.560192][ C0] Workqueue: netns cleanup_net
[ 2300.560445][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 2300.560711][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 2300.561694][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2300.562006][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2300.562409][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2300.562814][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2300.563216][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2300.563620][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2300.564024][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2300.564482][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2300.564819][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2300.565224][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2300.565628][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2300.566034][ C0] PKRU: 55555554
[ 2300.566216][ C0] Call Trace:
[ 2300.566392][ C0]
[ 2300.566540][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2300.566809][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2300.567057][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2300.567341][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2300.567617][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2300.567907][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2300.568179][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2300.568490][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2300.568754][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2300.569069][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2300.569370][ C0]
[ 2300.569522][ C0]
[ 2300.569674][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2300.569991][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2300.570292][ C0] ? kasan_report+0x19/0xf0
[ 2300.570530][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2300.570829][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2300.571120][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2300.571438][ C0] ? __pfx___schedule+0x10/0x10
[ 2300.571691][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2300.571945][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2300.572221][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2300.572512][ C0] ? lock_acquire+0x1c1/0x220
[ 2300.572755][ C0] ? __mutex_lock+0x33e/0xb10
[ 2300.572997][ C0] ? __mutex_lock+0x811/0xb10
[ 2300.573239][ C0] _raw_spin_lock+0x67/0x80
[ 2300.573476][ C0] __mutex_lock+0x33e/0xb10
[ 2300.573710][ C0] ? __lock_release+0x40f/0x880
[ 2300.573960][ C0] ? __pfx___lock_release+0x10/0x10
[ 2300.574227][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2300.574537][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2300.574800][ C0] ? __pfx___up_read+0x10/0x10
[ 2300.575049][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2300.575320][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2300.575594][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2300.575893][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2300.576190][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2300.576485][ C0] __tcf_action_put+0x3d/0xf0
[ 2300.576730][ C0] tcf_action_destroy+0x43/0x130
[ 2300.576985][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2300.577227][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2300.577553][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2300.577831][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2300.578137][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2300.578436][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2300.578728][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2300.579044][ C0] ? __lock_release+0x40f/0x880
[ 2300.579294][ C0] ? __mutex_lock+0x26e/0xb10
[ 2300.579538][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2300.579825][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2300.580136][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2300.580447][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2300.580699][ C0] tcf_chain_flush+0x1e0/0x320
[ 2300.580947][ C0] __tcf_block_put+0x113/0x270
[ 2300.581196][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2300.581504][ C0] __qdisc_destroy+0xee/0x340
[ 2300.581749][ C0] dev_shutdown+0x129/0x350
[ 2300.581985][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2300.582311][ C0] ? rtnl_is_locked+0x15/0x20
[ 2300.582555][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2300.582875][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2300.583223][ C0] ? mutex_is_locked+0x17/0x50
[ 2300.583470][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2300.583776][ C0] cleanup_net+0x4cf/0xb60
[ 2300.584007][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2300.584299][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2300.584556][ C0] ? lock_acquire+0x1c1/0x220
[ 2300.584801][ C0] ? process_one_work+0x714/0x1310
[ 2300.585067][ C0] process_one_work+0x78c/0x1310
[ 2300.585326][ C0] ? hlock_class+0x4e/0x130
[ 2300.585564][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2300.585845][ C0] ? assign_work+0x16c/0x240
[ 2300.586082][ C0] worker_thread+0x73d/0x1010
[ 2300.586328][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2300.586668][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2300.586933][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2300.587199][ C0] kthread+0x28f/0x360
[ 2300.587415][ C0] ? __pfx_kthread+0x10/0x10
[ 2300.587653][ C0] ret_from_fork+0x31/0x70
[ 2300.587886][ C0] ? __pfx_kthread+0x10/0x10
[ 2300.588125][ C0] ret_from_fork_asm+0x1b/0x30
[ 2300.588384][ C0]
[ 2312.843325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2312.843688][ C0] rcu: 0-....: (1740276 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=380229
[ 2312.844259][ C0] rcu: (t=1742799 jiffies g=477977 q=5801 ncpus=4)
[ 2312.844600][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2312.845078][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2312.845700][ C0] Workqueue: netns cleanup_net
[ 2312.845953][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2312.846286][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2312.847271][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2312.847584][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2312.847987][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2312.848394][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2312.848798][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2312.849201][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2312.849606][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2312.850059][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2312.850399][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2312.850804][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2312.851207][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2312.851618][ C0] PKRU: 55555554
[ 2312.851800][ C0] Call Trace:
[ 2312.851974][ C0]
[ 2312.852123][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2312.852403][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2312.852658][ C0] ? check_cpu_stall+0x284/0x500
[ 2312.852916][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2312.853209][ C0] ? rcu_pending+0x92/0x360
[ 2312.853443][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2312.853718][ C0] ? update_process_times+0xb9/0x110
[ 2312.853992][ C0] ? tick_sched_handle+0x67/0x130
[ 2312.854256][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2312.854544][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2312.854790][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2312.855106][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2312.855382][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2312.855675][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2312.855945][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2312.856254][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2312.856519][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2312.856832][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2312.857130][ C0]
[ 2312.857282][ C0]
[ 2312.857436][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2312.857756][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2312.858052][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2312.858358][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2312.858675][ C0] ? __pfx___schedule+0x10/0x10
[ 2312.858928][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2312.859181][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2312.859456][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2312.859742][ C0] ? lock_acquire+0x1c1/0x220
[ 2312.859984][ C0] ? __mutex_lock+0x33e/0xb10
[ 2312.860227][ C0] ? __mutex_lock+0x811/0xb10
[ 2312.860468][ C0] _raw_spin_lock+0x67/0x80
[ 2312.860701][ C0] __mutex_lock+0x33e/0xb10
[ 2312.860935][ C0] ? __lock_release+0x40f/0x880
[ 2312.861185][ C0] ? __pfx___lock_release+0x10/0x10
[ 2312.861452][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2312.861750][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2312.862009][ C0] ? __pfx___up_read+0x10/0x10
[ 2312.862260][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2312.862532][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2312.862806][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2312.863100][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2312.863398][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2312.863685][ C0] __tcf_action_put+0x3d/0xf0
[ 2312.863929][ C0] tcf_action_destroy+0x43/0x130
[ 2312.864184][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2312.864431][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2312.864752][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2312.865029][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2312.865331][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2312.865630][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2312.865919][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2312.866235][ C0] ? __lock_release+0x40f/0x880
[ 2312.866486][ C0] ? __mutex_lock+0x26e/0xb10
[ 2312.866729][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2312.867014][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2312.867331][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2312.867637][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2312.867890][ C0] tcf_chain_flush+0x1e0/0x320
[ 2312.868137][ C0] __tcf_block_put+0x113/0x270
[ 2312.868385][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2312.868692][ C0] __qdisc_destroy+0xee/0x340
[ 2312.868933][ C0] dev_shutdown+0x129/0x350
[ 2312.869168][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2312.869493][ C0] ? rtnl_is_locked+0x15/0x20
[ 2312.869738][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2312.870056][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2312.870401][ C0] ? mutex_is_locked+0x17/0x50
[ 2312.870647][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2312.870952][ C0] cleanup_net+0x4cf/0xb60
[ 2312.871181][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2312.871469][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2312.871722][ C0] ? lock_acquire+0x1c1/0x220
[ 2312.871964][ C0] ? process_one_work+0x714/0x1310
[ 2312.872228][ C0] process_one_work+0x78c/0x1310
[ 2312.872487][ C0] ? hlock_class+0x4e/0x130
[ 2312.872723][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2312.873001][ C0] ? assign_work+0x16c/0x240
[ 2312.873241][ C0] worker_thread+0x73d/0x1010
[ 2312.873483][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2312.873823][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2312.874087][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2312.874356][ C0] kthread+0x28f/0x360
[ 2312.874567][ C0] ? __pfx_kthread+0x10/0x10
[ 2312.874807][ C0] ret_from_fork+0x31/0x70
[ 2312.875037][ C0] ? __pfx_kthread+0x10/0x10
[ 2312.875276][ C0] ret_from_fork_asm+0x1b/0x30
[ 2312.875531][ C0]
[ 2340.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1650s! [kworker/u8:1:71]
[ 2340.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2340.556976][ C0] irq event stamp: 164379
[ 2340.557196][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2340.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2340.558153][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2340.558629][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2340.559097][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2340.559579][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2340.560198][ C0] Workqueue: netns cleanup_net
[ 2340.560450][ C0] RIP: 0010:kasan_report+0xda/0xf0
[ 2340.560716][ C0] Code: 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d 48 83 c4 70 44 89 e0 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 45 31 e4 eb e1 0f 1f 00
[ 2340.561700][ C0] RSP: 0018:ffffc9000051f3b0 EFLAGS: 00000282
[ 2340.562015][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2340.562421][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2340.562825][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2340.563229][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2340.563633][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2340.564036][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2340.564495][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2340.564833][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2340.565239][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2340.565644][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2340.566046][ C0] PKRU: 55555554
[ 2340.566230][ C0] Call Trace:
[ 2340.566405][ C0]
[ 2340.566555][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2340.566821][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2340.567069][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2340.567350][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2340.567629][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2340.567921][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2340.568191][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2340.568502][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2340.568767][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2340.569082][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2340.569382][ C0]
[ 2340.569535][ C0]
[ 2340.569686][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2340.570007][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2340.570306][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2340.570606][ C0] ? kasan_report+0xda/0xf0
[ 2340.570843][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2340.571132][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2340.571449][ C0] ? __pfx___schedule+0x10/0x10
[ 2340.571703][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2340.571956][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2340.572231][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2340.572525][ C0] ? lock_acquire+0x1c1/0x220
[ 2340.572765][ C0] ? __mutex_lock+0x33e/0xb10
[ 2340.573008][ C0] ? __mutex_lock+0x811/0xb10
[ 2340.573251][ C0] _raw_spin_lock+0x67/0x80
[ 2340.573486][ C0] __mutex_lock+0x33e/0xb10
[ 2340.573718][ C0] ? __lock_release+0x40f/0x880
[ 2340.573969][ C0] ? __pfx___lock_release+0x10/0x10
[ 2340.574240][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2340.574545][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2340.574807][ C0] ? __pfx___up_read+0x10/0x10
[ 2340.575057][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2340.575327][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2340.575601][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2340.575897][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2340.576195][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2340.576489][ C0] __tcf_action_put+0x3d/0xf0
[ 2340.576731][ C0] tcf_action_destroy+0x43/0x130
[ 2340.576989][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2340.577232][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2340.577558][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2340.577835][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2340.578139][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2340.578438][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2340.578730][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2340.579044][ C0] ? __lock_release+0x40f/0x880
[ 2340.579296][ C0] ? __mutex_lock+0x26e/0xb10
[ 2340.579542][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2340.579828][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2340.580141][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2340.580453][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2340.580705][ C0] tcf_chain_flush+0x1e0/0x320
[ 2340.580953][ C0] __tcf_block_put+0x113/0x270
[ 2340.581199][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2340.581512][ C0] __qdisc_destroy+0xee/0x340
[ 2340.581756][ C0] dev_shutdown+0x129/0x350
[ 2340.581991][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2340.582317][ C0] ? rtnl_is_locked+0x15/0x20
[ 2340.582563][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2340.582883][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2340.583227][ C0] ? mutex_is_locked+0x17/0x50
[ 2340.583475][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2340.583783][ C0] cleanup_net+0x4cf/0xb60
[ 2340.584013][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2340.584306][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2340.584563][ C0] ? lock_acquire+0x1c1/0x220
[ 2340.584806][ C0] ? process_one_work+0x714/0x1310
[ 2340.585071][ C0] process_one_work+0x78c/0x1310
[ 2340.585328][ C0] ? hlock_class+0x4e/0x130
[ 2340.585563][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2340.585842][ C0] ? assign_work+0x16c/0x240
[ 2340.586080][ C0] worker_thread+0x73d/0x1010
[ 2340.586323][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2340.586667][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2340.586930][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2340.587195][ C0] kthread+0x28f/0x360
[ 2340.587409][ C0] ? __pfx_kthread+0x10/0x10
[ 2340.587646][ C0] ret_from_fork+0x31/0x70
[ 2340.587881][ C0] ? __pfx_kthread+0x10/0x10
[ 2340.588119][ C0] ret_from_fork_asm+0x1b/0x30
[ 2340.588373][ C0]
[ 2368.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1676s! [kworker/u8:1:71]
[ 2368.556267][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2368.556975][ C0] irq event stamp: 164379
[ 2368.557194][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2368.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2368.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2368.558627][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2368.559094][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2368.559576][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2368.560193][ C0] Workqueue: netns cleanup_net
[ 2368.560446][ C0] RIP: 0010:kasan_report+0x31/0xf0
[ 2368.560711][ C0] Code: 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 <48> 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7 ff ff 41 89 c4 84 c0 0f
[ 2368.561695][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000246
[ 2368.562005][ C0] RAX: 0000000000000000 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2368.562413][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2368.562816][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2368.563220][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2368.563632][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2368.564038][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2368.564491][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2368.564828][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2368.565235][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2368.565638][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2368.566040][ C0] PKRU: 55555554
[ 2368.566223][ C0] Call Trace:
[ 2368.566397][ C0]
[ 2368.566546][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2368.566813][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2368.567061][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2368.567341][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2368.567619][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2368.567913][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2368.568182][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2368.568494][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2368.568759][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2368.569074][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2368.569374][ C0]
[ 2368.569526][ C0]
[ 2368.569677][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2368.569997][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2368.570291][ C0] ? kasan_report+0x31/0xf0
[ 2368.570527][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2368.570821][ C0] kasan_check_range+0x39/0x1c0
[ 2368.571073][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2368.571360][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2368.571678][ C0] ? __pfx___schedule+0x10/0x10
[ 2368.571933][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2368.572189][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2368.572467][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2368.572755][ C0] ? lock_acquire+0x1c1/0x220
[ 2368.572999][ C0] ? __mutex_lock+0x33e/0xb10
[ 2368.573244][ C0] ? __mutex_lock+0x811/0xb10
[ 2368.573489][ C0] _raw_spin_lock+0x67/0x80
[ 2368.573722][ C0] __mutex_lock+0x33e/0xb10
[ 2368.573962][ C0] ? __lock_release+0x40f/0x880
[ 2368.574219][ C0] ? __pfx___lock_release+0x10/0x10
[ 2368.574489][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2368.574791][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2368.575051][ C0] ? __pfx___up_read+0x10/0x10
[ 2368.575300][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2368.575575][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2368.575850][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2368.576146][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2368.576448][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2368.576737][ C0] __tcf_action_put+0x3d/0xf0
[ 2368.576984][ C0] tcf_action_destroy+0x43/0x130
[ 2368.577242][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2368.577488][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2368.577813][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2368.578091][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2368.578397][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2368.578699][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2368.578989][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2368.579306][ C0] ? __lock_release+0x40f/0x880
[ 2368.579561][ C0] ? __mutex_lock+0x26e/0xb10
[ 2368.579810][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2368.580097][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2368.580414][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2368.580722][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2368.580974][ C0] tcf_chain_flush+0x1e0/0x320
[ 2368.581224][ C0] __tcf_block_put+0x113/0x270
[ 2368.581475][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2368.581785][ C0] __qdisc_destroy+0xee/0x340
[ 2368.582029][ C0] dev_shutdown+0x129/0x350
[ 2368.582266][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2368.582596][ C0] ? rtnl_is_locked+0x15/0x20
[ 2368.582842][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2368.583163][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2368.583511][ C0] ? mutex_is_locked+0x17/0x50
[ 2368.583758][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2368.584075][ C0] cleanup_net+0x4cf/0xb60
[ 2368.584306][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2368.584597][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2368.584853][ C0] ? lock_acquire+0x1c1/0x220
[ 2368.585095][ C0] ? process_one_work+0x714/0x1310
[ 2368.585361][ C0] process_one_work+0x78c/0x1310
[ 2368.585618][ C0] ? hlock_class+0x4e/0x130
[ 2368.585853][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2368.586130][ C0] ? assign_work+0x16c/0x240
[ 2368.586370][ C0] worker_thread+0x73d/0x1010
[ 2368.586612][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2368.586950][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2368.587213][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2368.587478][ C0] kthread+0x28f/0x360
[ 2368.587689][ C0] ? __pfx_kthread+0x10/0x10
[ 2368.587927][ C0] ret_from_fork+0x31/0x70
[ 2368.588155][ C0] ? __pfx_kthread+0x10/0x10
[ 2368.588397][ C0] ret_from_fork_asm+0x1b/0x30
[ 2368.588649][ C0]
[ 2372.939341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1802664 jiffies s: 1289 root: 0x1/.
[ 2372.939987][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2372.940365][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2372.940644][ C0] NMI backtrace for cpu 0
[ 2372.940647][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2372.940651][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2372.940655][ C0] Workqueue: netns cleanup_net
[ 2372.940659][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 2372.940663][ C0] Code: 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 <85> c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7
[ 2372.940666][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2372.940669][ C0] RAX: 0000000000000000 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2372.940670][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2372.940672][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2372.940674][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2372.940675][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2372.940677][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2372.940679][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2372.940682][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2372.940684][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2372.940686][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2372.940687][ C0] PKRU: 55555554
[ 2372.940689][ C0] Call Trace:
[ 2372.940691][ C0]
[ 2372.940692][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2372.940698][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2372.940702][ C0] ? nmi_handle+0x153/0x420
[ 2372.940708][ C0] ? default_do_nmi+0x41/0x100
[ 2372.940713][ C0] ? exc_nmi+0xf3/0x120
[ 2372.940715][ C0] ? end_repeat_nmi+0xf/0x60
[ 2372.940720][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2372.940725][ C0] ? kasan_report+0x29/0xf0
[ 2372.940728][ C0] ? kasan_report+0x29/0xf0
[ 2372.940732][ C0] ? kasan_report+0x29/0xf0
[ 2372.940735][ C0]
[ 2372.940735][ C0]
[ 2372.940739][ C0] kasan_check_range+0x39/0x1c0
[ 2372.940745][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2372.940749][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2372.940753][ C0] ? __pfx___schedule+0x10/0x10
[ 2372.940758][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2372.940763][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2372.940766][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2372.940769][ C0] ? lock_acquire+0x1c1/0x220
[ 2372.940771][ C0] ? __mutex_lock+0x33e/0xb10
[ 2372.940775][ C0] ? __mutex_lock+0x811/0xb10
[ 2372.940778][ C0] _raw_spin_lock+0x67/0x80
[ 2372.940781][ C0] __mutex_lock+0x33e/0xb10
[ 2372.940784][ C0] ? __lock_release+0x40f/0x880
[ 2372.940787][ C0] ? __pfx___lock_release+0x10/0x10
[ 2372.940790][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2372.940795][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2372.940798][ C0] ? __pfx___up_read+0x10/0x10
[ 2372.940801][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2372.940804][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2372.940808][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2372.940813][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2372.940816][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2372.940821][ C0] __tcf_action_put+0x3d/0xf0
[ 2372.940826][ C0] tcf_action_destroy+0x43/0x130
[ 2372.940829][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2372.940832][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2372.940841][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2372.940850][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2372.940858][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2372.940866][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2372.940875][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2372.940883][ C0] ? __lock_release+0x40f/0x880
[ 2372.940886][ C0] ? __mutex_lock+0x26e/0xb10
[ 2372.940890][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2372.940899][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2372.940907][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2372.940912][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2372.940916][ C0] tcf_chain_flush+0x1e0/0x320
[ 2372.940919][ C0] __tcf_block_put+0x113/0x270
[ 2372.940924][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2372.940931][ C0] __qdisc_destroy+0xee/0x340
[ 2372.940935][ C0] dev_shutdown+0x129/0x350
[ 2372.940938][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2372.940942][ C0] ? rtnl_is_locked+0x15/0x20
[ 2372.940946][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2372.940949][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2372.940952][ C0] ? mutex_is_locked+0x17/0x50
[ 2372.940955][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2372.940959][ C0] cleanup_net+0x4cf/0xb60
[ 2372.940962][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2372.940965][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2372.940968][ C0] ? lock_acquire+0x1c1/0x220
[ 2372.940970][ C0] ? process_one_work+0x714/0x1310
[ 2372.940974][ C0] process_one_work+0x78c/0x1310
[ 2372.940978][ C0] ? hlock_class+0x4e/0x130
[ 2372.940981][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2372.940985][ C0] ? assign_work+0x16c/0x240
[ 2372.940989][ C0] worker_thread+0x73d/0x1010
[ 2372.940991][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2372.940995][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2372.940998][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2372.941001][ C0] kthread+0x28f/0x360
[ 2372.941003][ C0] ? __pfx_kthread+0x10/0x10
[ 2372.941005][ C0] ret_from_fork+0x31/0x70
[ 2372.941007][ C0] ? __pfx_kthread+0x10/0x10
[ 2372.941009][ C0] ret_from_fork_asm+0x1b/0x30
[ 2372.941016][ C0]
[ 2390.879324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2390.879694][ C0] rcu: 0-....: (1818191 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=397683
[ 2390.880258][ C0] rcu: (t=1820835 jiffies g=477977 q=5801 ncpus=4)
[ 2390.880597][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2390.881079][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2390.881698][ C0] Workqueue: netns cleanup_net
[ 2390.881952][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 2390.882218][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 2390.883201][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2390.883515][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2390.883924][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2390.884331][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2390.884735][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2390.885138][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2390.885542][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2390.885995][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2390.886333][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2390.886739][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2390.887142][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2390.887547][ C0] PKRU: 55555554
[ 2390.887731][ C0] Call Trace:
[ 2390.887904][ C0]
[ 2390.888053][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2390.888332][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2390.888589][ C0] ? check_cpu_stall+0x284/0x500
[ 2390.888841][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2390.889134][ C0] ? rcu_pending+0x92/0x360
[ 2390.889368][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2390.889641][ C0] ? update_process_times+0xb9/0x110
[ 2390.889914][ C0] ? tick_sched_handle+0x67/0x130
[ 2390.890175][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2390.890462][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2390.890708][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2390.891024][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2390.891298][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2390.891591][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2390.891861][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2390.892171][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2390.892437][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2390.892749][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2390.893051][ C0]
[ 2390.893203][ C0]
[ 2390.893357][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2390.893678][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2390.893982][ C0] ? kasan_report+0x19/0xf0
[ 2390.894220][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2390.894509][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2390.894826][ C0] ? __pfx___schedule+0x10/0x10
[ 2390.895079][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2390.895333][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2390.895608][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2390.895897][ C0] ? lock_acquire+0x1c1/0x220
[ 2390.896137][ C0] ? __mutex_lock+0x33e/0xb10
[ 2390.896382][ C0] ? __mutex_lock+0x811/0xb10
[ 2390.896624][ C0] _raw_spin_lock+0x67/0x80
[ 2390.896859][ C0] __mutex_lock+0x33e/0xb10
[ 2390.897091][ C0] ? __lock_release+0x40f/0x880
[ 2390.897342][ C0] ? __pfx___lock_release+0x10/0x10
[ 2390.897609][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2390.897911][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2390.898173][ C0] ? __pfx___up_read+0x10/0x10
[ 2390.898421][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2390.898692][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2390.898964][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2390.899260][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2390.899559][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2390.899849][ C0] __tcf_action_put+0x3d/0xf0
[ 2390.900091][ C0] tcf_action_destroy+0x43/0x130
[ 2390.900348][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2390.900592][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2390.900916][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2390.901192][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2390.901497][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2390.901793][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2390.902083][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2390.902398][ C0] ? __lock_release+0x40f/0x880
[ 2390.902649][ C0] ? __mutex_lock+0x26e/0xb10
[ 2390.902894][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2390.903178][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2390.903493][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2390.903801][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2390.904057][ C0] tcf_chain_flush+0x1e0/0x320
[ 2390.904305][ C0] __tcf_block_put+0x113/0x270
[ 2390.904552][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2390.904861][ C0] __qdisc_destroy+0xee/0x340
[ 2390.905104][ C0] dev_shutdown+0x129/0x350
[ 2390.905340][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2390.905667][ C0] ? rtnl_is_locked+0x15/0x20
[ 2390.905910][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2390.906229][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2390.906575][ C0] ? mutex_is_locked+0x17/0x50
[ 2390.906820][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2390.907127][ C0] cleanup_net+0x4cf/0xb60
[ 2390.907357][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2390.907646][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2390.907901][ C0] ? lock_acquire+0x1c1/0x220
[ 2390.908143][ C0] ? process_one_work+0x714/0x1310
[ 2390.908410][ C0] process_one_work+0x78c/0x1310
[ 2390.908666][ C0] ? hlock_class+0x4e/0x130
[ 2390.908898][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2390.909177][ C0] ? assign_work+0x16c/0x240
[ 2390.909416][ C0] worker_thread+0x73d/0x1010
[ 2390.909658][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2390.909995][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2390.910257][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2390.910520][ C0] kthread+0x28f/0x360
[ 2390.910732][ C0] ? __pfx_kthread+0x10/0x10
[ 2390.910969][ C0] ret_from_fork+0x31/0x70
[ 2390.911200][ C0] ? __pfx_kthread+0x10/0x10
[ 2390.911437][ C0] ret_from_fork_asm+0x1b/0x30
[ 2390.911689][ C0]
[ 2416.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1721s! [kworker/u8:1:71]
[ 2416.556267][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2416.556975][ C0] irq event stamp: 164379
[ 2416.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2416.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2416.558151][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2416.558630][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2416.559102][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2416.559584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2416.560201][ C0] Workqueue: netns cleanup_net
[ 2416.560452][ C0] RIP: 0010:kasan_check_range+0x1b/0x1c0
[ 2416.560743][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5e 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23
[ 2416.561728][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000286
[ 2416.562038][ C0] RAX: ffff888008e4fa0c RBX: 0000000000000047 RCX: ffffffff906b35b0
[ 2416.562445][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2416.562851][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2416.563253][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2416.563657][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2416.564065][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2416.564519][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2416.564856][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2416.565259][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2416.565665][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2416.566068][ C0] PKRU: 55555554
[ 2416.566252][ C0] Call Trace:
[ 2416.566424][ C0]
[ 2416.566576][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2416.566844][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2416.567090][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2416.567372][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2416.567646][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2416.567937][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2416.568207][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2416.568518][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2416.568783][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2416.569095][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2416.569395][ C0]
[ 2416.569545][ C0]
[ 2416.569699][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2416.570019][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2416.570310][ C0] ? kasan_check_range+0x1b/0x1c0
[ 2416.570571][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2416.570855][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2416.571169][ C0] ? __pfx___schedule+0x10/0x10
[ 2416.571424][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2416.571677][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2416.571951][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2416.572241][ C0] ? lock_acquire+0x1c1/0x220
[ 2416.572483][ C0] ? __mutex_lock+0x33e/0xb10
[ 2416.572725][ C0] ? __mutex_lock+0x811/0xb10
[ 2416.572966][ C0] _raw_spin_lock+0x67/0x80
[ 2416.573201][ C0] __mutex_lock+0x33e/0xb10
[ 2416.573436][ C0] ? __lock_release+0x40f/0x880
[ 2416.573686][ C0] ? __pfx___lock_release+0x10/0x10
[ 2416.573956][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2416.574259][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2416.574519][ C0] ? __pfx___up_read+0x10/0x10
[ 2416.574767][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2416.575037][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2416.575311][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2416.575608][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2416.575906][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2416.576196][ C0] __tcf_action_put+0x3d/0xf0
[ 2416.576440][ C0] tcf_action_destroy+0x43/0x130
[ 2416.576696][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2416.576939][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2416.577262][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2416.577540][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2416.577845][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2416.578141][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2416.578434][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2416.578754][ C0] ? __lock_release+0x40f/0x880
[ 2416.579005][ C0] ? __mutex_lock+0x26e/0xb10
[ 2416.579249][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2416.579536][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2416.579849][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2416.580161][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2416.580415][ C0] tcf_chain_flush+0x1e0/0x320
[ 2416.580662][ C0] __tcf_block_put+0x113/0x270
[ 2416.580908][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2416.581217][ C0] __qdisc_destroy+0xee/0x340
[ 2416.581462][ C0] dev_shutdown+0x129/0x350
[ 2416.581696][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2416.582021][ C0] ? rtnl_is_locked+0x15/0x20
[ 2416.582265][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2416.582585][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2416.582929][ C0] ? mutex_is_locked+0x17/0x50
[ 2416.583179][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2416.583488][ C0] cleanup_net+0x4cf/0xb60
[ 2416.583721][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2416.584009][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2416.584263][ C0] ? lock_acquire+0x1c1/0x220
[ 2416.584506][ C0] ? process_one_work+0x714/0x1310
[ 2416.584770][ C0] process_one_work+0x78c/0x1310
[ 2416.585026][ C0] ? hlock_class+0x4e/0x130
[ 2416.585258][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2416.585537][ C0] ? assign_work+0x16c/0x240
[ 2416.585774][ C0] worker_thread+0x73d/0x1010
[ 2416.586017][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2416.586353][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2416.586616][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2416.586879][ C0] kthread+0x28f/0x360
[ 2416.587089][ C0] ? __pfx_kthread+0x10/0x10
[ 2416.587326][ C0] ret_from_fork+0x31/0x70
[ 2416.587557][ C0] ? __pfx_kthread+0x10/0x10
[ 2416.587793][ C0] ret_from_fork_asm+0x1b/0x30
[ 2416.588043][ C0]
[ 2444.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1747s! [kworker/u8:1:71]
[ 2444.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2444.556972][ C0] irq event stamp: 164379
[ 2444.557191][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2444.557669][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2444.558146][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2444.558621][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2444.559088][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2444.559572][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2444.560192][ C0] Workqueue: netns cleanup_net
[ 2444.560444][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2444.560772][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2444.561754][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2444.562064][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2444.562468][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2444.562869][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2444.563273][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2444.563684][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2444.564085][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2444.564537][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2444.564871][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2444.565278][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2444.565688][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2444.566090][ C0] PKRU: 55555554
[ 2444.566274][ C0] Call Trace:
[ 2444.566450][ C0]
[ 2444.566599][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2444.566865][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2444.567113][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2444.567393][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2444.567669][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2444.567960][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2444.568229][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2444.568540][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2444.568804][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2444.569118][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2444.569416][ C0]
[ 2444.569569][ C0]
[ 2444.569721][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2444.570043][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2444.570342][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2444.570640][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2444.570956][ C0] ? __pfx___schedule+0x10/0x10
[ 2444.571210][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2444.571467][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2444.571741][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2444.572029][ C0] ? lock_acquire+0x1c1/0x220
[ 2444.572270][ C0] ? __mutex_lock+0x33e/0xb10
[ 2444.572516][ C0] ? __mutex_lock+0x811/0xb10
[ 2444.572759][ C0] _raw_spin_lock+0x67/0x80
[ 2444.572992][ C0] __mutex_lock+0x33e/0xb10
[ 2444.573230][ C0] ? __lock_release+0x40f/0x880
[ 2444.573483][ C0] ? __pfx___lock_release+0x10/0x10
[ 2444.573753][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2444.574055][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2444.574314][ C0] ? __pfx___up_read+0x10/0x10
[ 2444.574563][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2444.574835][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2444.575108][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2444.575403][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2444.575704][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2444.575992][ C0] __tcf_action_put+0x3d/0xf0
[ 2444.576238][ C0] tcf_action_destroy+0x43/0x130
[ 2444.576495][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2444.576739][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2444.577065][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2444.577343][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2444.577646][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2444.577944][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2444.578233][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2444.578552][ C0] ? __lock_release+0x40f/0x880
[ 2444.578802][ C0] ? __mutex_lock+0x26e/0xb10
[ 2444.579046][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2444.579332][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2444.579645][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2444.579954][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2444.580206][ C0] tcf_chain_flush+0x1e0/0x320
[ 2444.580454][ C0] __tcf_block_put+0x113/0x270
[ 2444.580703][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2444.581012][ C0] __qdisc_destroy+0xee/0x340
[ 2444.581256][ C0] dev_shutdown+0x129/0x350
[ 2444.581492][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2444.581818][ C0] ? rtnl_is_locked+0x15/0x20
[ 2444.582063][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2444.582384][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2444.582729][ C0] ? mutex_is_locked+0x17/0x50
[ 2444.582975][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2444.583282][ C0] cleanup_net+0x4cf/0xb60
[ 2444.583511][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2444.583804][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2444.584059][ C0] ? lock_acquire+0x1c1/0x220
[ 2444.584298][ C0] ? process_one_work+0x714/0x1310
[ 2444.584566][ C0] process_one_work+0x78c/0x1310
[ 2444.584821][ C0] ? hlock_class+0x4e/0x130
[ 2444.585057][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2444.585334][ C0] ? assign_work+0x16c/0x240
[ 2444.585574][ C0] worker_thread+0x73d/0x1010
[ 2444.585817][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2444.586153][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2444.586418][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2444.586680][ C0] kthread+0x28f/0x360
[ 2444.586890][ C0] ? __pfx_kthread+0x10/0x10
[ 2444.587128][ C0] ret_from_fork+0x31/0x70
[ 2444.587359][ C0] ? __pfx_kthread+0x10/0x10
[ 2444.587595][ C0] ret_from_fork_asm+0x1b/0x30
[ 2444.587851][ C0]
[ 2468.915325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2468.915694][ C0] rcu: 0-....: (1896134 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=414331
[ 2468.916256][ C0] rcu: (t=1898871 jiffies g=477977 q=5804 ncpus=4)
[ 2468.916596][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2468.917073][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2468.917698][ C0] Workqueue: netns cleanup_net
[ 2468.917949][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 2468.918216][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 2468.919200][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2468.919511][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2468.919916][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2468.920319][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2468.920723][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2468.921126][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2468.921532][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2468.921984][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2468.922320][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2468.922724][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2468.923128][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2468.923537][ C0] PKRU: 55555554
[ 2468.923721][ C0] Call Trace:
[ 2468.923892][ C0]
[ 2468.924045][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2468.924323][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2468.924579][ C0] ? check_cpu_stall+0x284/0x500
[ 2468.924832][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2468.925121][ C0] ? rcu_pending+0x92/0x360
[ 2468.925357][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2468.925630][ C0] ? update_process_times+0xb9/0x110
[ 2468.925903][ C0] ? tick_sched_handle+0x67/0x130
[ 2468.926164][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2468.926455][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2468.926699][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2468.927014][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2468.927293][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2468.927587][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2468.927860][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2468.928170][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2468.928437][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2468.928751][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2468.929053][ C0]
[ 2468.929206][ C0]
[ 2468.929359][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2468.929680][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2468.929975][ C0] ? kasan_report+0x22/0xf0
[ 2468.930209][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2468.930505][ C0] kasan_check_range+0x39/0x1c0
[ 2468.930758][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2468.931042][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2468.931360][ C0] ? __pfx___schedule+0x10/0x10
[ 2468.931614][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2468.931867][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2468.932143][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2468.932431][ C0] ? lock_acquire+0x1c1/0x220
[ 2468.932673][ C0] ? __mutex_lock+0x33e/0xb10
[ 2468.932916][ C0] ? __mutex_lock+0x811/0xb10
[ 2468.933157][ C0] _raw_spin_lock+0x67/0x80
[ 2468.933392][ C0] __mutex_lock+0x33e/0xb10
[ 2468.933632][ C0] ? __lock_release+0x40f/0x880
[ 2468.933883][ C0] ? __pfx___lock_release+0x10/0x10
[ 2468.934149][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2468.934449][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2468.934709][ C0] ? __pfx___up_read+0x10/0x10
[ 2468.934957][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2468.935227][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2468.935505][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2468.935800][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2468.936098][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2468.936396][ C0] __tcf_action_put+0x3d/0xf0
[ 2468.936641][ C0] tcf_action_destroy+0x43/0x130
[ 2468.936898][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2468.937142][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2468.937466][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2468.937745][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2468.938047][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2468.938349][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2468.938639][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2468.938955][ C0] ? __lock_release+0x40f/0x880
[ 2468.939207][ C0] ? __mutex_lock+0x26e/0xb10
[ 2468.939451][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2468.939736][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2468.940049][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2468.940358][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2468.940610][ C0] tcf_chain_flush+0x1e0/0x320
[ 2468.940857][ C0] __tcf_block_put+0x113/0x270
[ 2468.941106][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2468.941415][ C0] __qdisc_destroy+0xee/0x340
[ 2468.941657][ C0] dev_shutdown+0x129/0x350
[ 2468.941899][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2468.942226][ C0] ? rtnl_is_locked+0x15/0x20
[ 2468.942471][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2468.942790][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2468.943133][ C0] ? mutex_is_locked+0x17/0x50
[ 2468.943381][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2468.943693][ C0] cleanup_net+0x4cf/0xb60
[ 2468.943923][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2468.944211][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2468.944468][ C0] ? lock_acquire+0x1c1/0x220
[ 2468.944709][ C0] ? process_one_work+0x714/0x1310
[ 2468.944972][ C0] process_one_work+0x78c/0x1310
[ 2468.945228][ C0] ? hlock_class+0x4e/0x130
[ 2468.945465][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2468.945741][ C0] ? assign_work+0x16c/0x240
[ 2468.945980][ C0] worker_thread+0x73d/0x1010
[ 2468.946222][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2468.946561][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2468.946825][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2468.947088][ C0] kthread+0x28f/0x360
[ 2468.947300][ C0] ? __pfx_kthread+0x10/0x10
[ 2468.947539][ C0] ret_from_fork+0x31/0x70
[ 2468.947768][ C0] ? __pfx_kthread+0x10/0x10
[ 2468.948005][ C0] ret_from_fork_asm+0x1b/0x30
[ 2468.948259][ C0]
[ 2471.243342][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1900968 jiffies s: 1289 root: 0x1/.
[ 2471.243989][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2471.244372][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2471.244652][ C0] NMI backtrace for cpu 0
[ 2471.244656][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2471.244660][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2471.244663][ C0] Workqueue: netns cleanup_net
[ 2471.244668][ C0] RIP: 0010:kasan_check_range+0x39/0x1c0
[ 2471.244674][ C0] Code: f8 41 54 44 0f b6 c2 48 01 f0 55 53 72 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 44 89 c2 e8 57 e8 ff ff <83> f0 01 5b 5d 41 5c c3 cc cc cc cc 48 b8 ff ff ff ff ff 7f ff ff
[ 2471.244677][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000286
[ 2471.244680][ C0] RAX: 0000000000000000 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2471.244682][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2471.244684][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2471.244686][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2471.244687][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2471.244689][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2471.244691][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2471.244694][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2471.244696][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2471.244697][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2471.244699][ C0] PKRU: 55555554
[ 2471.244700][ C0] Call Trace:
[ 2471.244702][ C0]
[ 2471.244704][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2471.244710][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2471.244715][ C0] ? nmi_handle+0x153/0x420
[ 2471.244720][ C0] ? default_do_nmi+0x41/0x100
[ 2471.244725][ C0] ? exc_nmi+0xf3/0x120
[ 2471.244728][ C0] ? end_repeat_nmi+0xf/0x60
[ 2471.244732][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2471.244737][ C0] ? kasan_check_range+0x39/0x1c0
[ 2471.244741][ C0] ? kasan_check_range+0x39/0x1c0
[ 2471.244744][ C0] ? kasan_check_range+0x39/0x1c0
[ 2471.244748][ C0]
[ 2471.244749][ C0]
[ 2471.244750][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2471.244754][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2471.244759][ C0] ? __pfx___schedule+0x10/0x10
[ 2471.244764][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2471.244769][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2471.244771][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2471.244775][ C0] ? lock_acquire+0x1c1/0x220
[ 2471.244777][ C0] ? __mutex_lock+0x33e/0xb10
[ 2471.244780][ C0] ? __mutex_lock+0x811/0xb10
[ 2471.244783][ C0] _raw_spin_lock+0x67/0x80
[ 2471.244786][ C0] __mutex_lock+0x33e/0xb10
[ 2471.244789][ C0] ? __lock_release+0x40f/0x880
[ 2471.244792][ C0] ? __pfx___lock_release+0x10/0x10
[ 2471.244795][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2471.244799][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2471.244802][ C0] ? __pfx___up_read+0x10/0x10
[ 2471.244806][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2471.244809][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2471.244813][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2471.244818][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2471.244822][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2471.244826][ C0] __tcf_action_put+0x3d/0xf0
[ 2471.244830][ C0] tcf_action_destroy+0x43/0x130
[ 2471.244834][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2471.244837][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2471.244846][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2471.244854][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2471.244863][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2471.244872][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2471.244881][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2471.244888][ C0] ? __lock_release+0x40f/0x880
[ 2471.244892][ C0] ? __mutex_lock+0x26e/0xb10
[ 2471.244896][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2471.244905][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2471.244913][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2471.244918][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2471.244922][ C0] tcf_chain_flush+0x1e0/0x320
[ 2471.244926][ C0] __tcf_block_put+0x113/0x270
[ 2471.244931][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2471.244938][ C0] __qdisc_destroy+0xee/0x340
[ 2471.244942][ C0] dev_shutdown+0x129/0x350
[ 2471.244946][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2471.244949][ C0] ? rtnl_is_locked+0x15/0x20
[ 2471.244953][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2471.244956][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2471.244959][ C0] ? mutex_is_locked+0x17/0x50
[ 2471.244962][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2471.244967][ C0] cleanup_net+0x4cf/0xb60
[ 2471.244970][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2471.244972][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2471.244976][ C0] ? lock_acquire+0x1c1/0x220
[ 2471.244978][ C0] ? process_one_work+0x714/0x1310
[ 2471.244982][ C0] process_one_work+0x78c/0x1310
[ 2471.244986][ C0] ? hlock_class+0x4e/0x130
[ 2471.244989][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2471.244994][ C0] ? assign_work+0x16c/0x240
[ 2471.244997][ C0] worker_thread+0x73d/0x1010
[ 2471.245000][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2471.245003][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2471.245006][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2471.245009][ C0] kthread+0x28f/0x360
[ 2471.245011][ C0] ? __pfx_kthread+0x10/0x10
[ 2471.245014][ C0] ret_from_fork+0x31/0x70
[ 2471.245016][ C0] ? __pfx_kthread+0x10/0x10
[ 2471.245018][ C0] ret_from_fork_asm+0x1b/0x30
[ 2471.245025][ C0]
[ 2496.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1796s! [kworker/u8:1:71]
[ 2496.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2496.556973][ C0] irq event stamp: 164379
[ 2496.557198][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2496.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2496.558149][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2496.558627][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2496.559094][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2496.559572][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2496.560193][ C0] Workqueue: netns cleanup_net
[ 2496.560444][ C0] RIP: 0010:queued_spin_lock_slowpath+0xa3/0xb90
[ 2496.560769][ C0] Code: 0f 1f 44 00 00 49 89 fd 49 89 fc 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 04 00 00 00 48 89 ef e8 d0 79 e9 fd 41 0f b6 45 00 41 38 c4 7c
[ 2496.561753][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2496.562063][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2496.562468][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2496.562870][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2496.563272][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2496.563682][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2496.564085][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2496.564537][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2496.564872][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2496.565275][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2496.565682][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2496.566086][ C0] PKRU: 55555554
[ 2496.566270][ C0] Call Trace:
[ 2496.566445][ C0]
[ 2496.566596][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2496.566863][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2496.567111][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2496.567393][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2496.567669][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2496.567962][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2496.568231][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2496.568542][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2496.568808][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2496.569122][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2496.569422][ C0]
[ 2496.569574][ C0]
[ 2496.569727][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2496.570051][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2496.570349][ C0] ? queued_spin_lock_slowpath+0xa3/0xb90
[ 2496.570645][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2496.570962][ C0] ? __pfx___schedule+0x10/0x10
[ 2496.571214][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2496.571471][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2496.571749][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2496.572036][ C0] ? lock_acquire+0x1c1/0x220
[ 2496.572277][ C0] ? __mutex_lock+0x33e/0xb10
[ 2496.572523][ C0] ? __mutex_lock+0x811/0xb10
[ 2496.572763][ C0] _raw_spin_lock+0x67/0x80
[ 2496.573000][ C0] __mutex_lock+0x33e/0xb10
[ 2496.573234][ C0] ? __lock_release+0x40f/0x880
[ 2496.573491][ C0] ? __pfx___lock_release+0x10/0x10
[ 2496.573759][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2496.574059][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2496.574317][ C0] ? __pfx___up_read+0x10/0x10
[ 2496.574568][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2496.574838][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2496.575112][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2496.575411][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2496.575711][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2496.575999][ C0] __tcf_action_put+0x3d/0xf0
[ 2496.576245][ C0] tcf_action_destroy+0x43/0x130
[ 2496.576503][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2496.576744][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2496.577067][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2496.577347][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2496.577651][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2496.577950][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2496.578240][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2496.578557][ C0] ? __lock_release+0x40f/0x880
[ 2496.578809][ C0] ? __mutex_lock+0x26e/0xb10
[ 2496.579052][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2496.579342][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2496.579653][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2496.579962][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2496.580213][ C0] tcf_chain_flush+0x1e0/0x320
[ 2496.580463][ C0] __tcf_block_put+0x113/0x270
[ 2496.580712][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2496.581019][ C0] __qdisc_destroy+0xee/0x340
[ 2496.581263][ C0] dev_shutdown+0x129/0x350
[ 2496.581504][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2496.581831][ C0] ? rtnl_is_locked+0x15/0x20
[ 2496.582074][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2496.582394][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2496.582741][ C0] ? mutex_is_locked+0x17/0x50
[ 2496.582987][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2496.583292][ C0] cleanup_net+0x4cf/0xb60
[ 2496.583530][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2496.583816][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2496.584072][ C0] ? lock_acquire+0x1c1/0x220
[ 2496.584314][ C0] ? process_one_work+0x714/0x1310
[ 2496.584581][ C0] process_one_work+0x78c/0x1310
[ 2496.584836][ C0] ? hlock_class+0x4e/0x130
[ 2496.585073][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2496.585350][ C0] ? assign_work+0x16c/0x240
[ 2496.585591][ C0] worker_thread+0x73d/0x1010
[ 2496.585831][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2496.586170][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2496.586436][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2496.586699][ C0] kthread+0x28f/0x360
[ 2496.586910][ C0] ? __pfx_kthread+0x10/0x10
[ 2496.587148][ C0] ret_from_fork+0x31/0x70
[ 2496.587379][ C0] ? __pfx_kthread+0x10/0x10
[ 2496.587617][ C0] ret_from_fork_asm+0x1b/0x30
[ 2496.587870][ C0]
[ 2524.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1822s! [kworker/u8:1:71]
[ 2524.556268][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2524.556972][ C0] irq event stamp: 164379
[ 2524.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2524.557672][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2524.558147][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2524.558626][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2524.559095][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2524.559571][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2524.560191][ C0] Workqueue: netns cleanup_net
[ 2524.560444][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2524.560773][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2524.561755][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2524.562066][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2524.562471][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2524.562873][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2524.563281][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2524.563688][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2524.564092][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2524.564547][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2524.564884][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2524.565287][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2524.565695][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2524.566099][ C0] PKRU: 55555554
[ 2524.566284][ C0] Call Trace:
[ 2524.566458][ C0]
[ 2524.566610][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2524.566878][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2524.567126][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2524.567408][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2524.567684][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2524.567977][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2524.568246][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2524.568558][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2524.568824][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2524.569135][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2524.569436][ C0]
[ 2524.569588][ C0]
[ 2524.569741][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2524.570061][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2524.570360][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2524.570661][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2524.570978][ C0] ? __pfx___schedule+0x10/0x10
[ 2524.571232][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2524.571489][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2524.571765][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2524.572052][ C0] ? lock_acquire+0x1c1/0x220
[ 2524.572295][ C0] ? __mutex_lock+0x33e/0xb10
[ 2524.572542][ C0] ? __mutex_lock+0x811/0xb10
[ 2524.572784][ C0] _raw_spin_lock+0x67/0x80
[ 2524.573018][ C0] __mutex_lock+0x33e/0xb10
[ 2524.573267][ C0] ? __lock_release+0x40f/0x880
[ 2524.573520][ C0] ? __pfx___lock_release+0x10/0x10
[ 2524.573788][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2524.574087][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2524.574348][ C0] ? __pfx___up_read+0x10/0x10
[ 2524.574599][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2524.574871][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2524.575147][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2524.575443][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2524.575743][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2524.576036][ C0] __tcf_action_put+0x3d/0xf0
[ 2524.576281][ C0] tcf_action_destroy+0x43/0x130
[ 2524.576539][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2524.576782][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2524.577109][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2524.577390][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2524.577696][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2524.577996][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2524.578285][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2524.578604][ C0] ? __lock_release+0x40f/0x880
[ 2524.578856][ C0] ? __mutex_lock+0x26e/0xb10
[ 2524.579100][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2524.579388][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2524.579701][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2524.580008][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2524.580261][ C0] tcf_chain_flush+0x1e0/0x320
[ 2524.580515][ C0] __tcf_block_put+0x113/0x270
[ 2524.580763][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2524.581072][ C0] __qdisc_destroy+0xee/0x340
[ 2524.581315][ C0] dev_shutdown+0x129/0x350
[ 2524.581553][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2524.581880][ C0] ? rtnl_is_locked+0x15/0x20
[ 2524.582125][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2524.582446][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2524.582792][ C0] ? mutex_is_locked+0x17/0x50
[ 2524.583039][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2524.583351][ C0] cleanup_net+0x4cf/0xb60
[ 2524.583582][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2524.583870][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2524.584124][ C0] ? lock_acquire+0x1c1/0x220
[ 2524.584367][ C0] ? process_one_work+0x714/0x1310
[ 2524.584632][ C0] process_one_work+0x78c/0x1310
[ 2524.584889][ C0] ? hlock_class+0x4e/0x130
[ 2524.585124][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2524.585402][ C0] ? assign_work+0x16c/0x240
[ 2524.585641][ C0] worker_thread+0x73d/0x1010
[ 2524.585883][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2524.586221][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2524.586487][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2524.586750][ C0] kthread+0x28f/0x360
[ 2524.586961][ C0] ? __pfx_kthread+0x10/0x10
[ 2524.587200][ C0] ret_from_fork+0x31/0x70
[ 2524.587431][ C0] ? __pfx_kthread+0x10/0x10
[ 2524.587669][ C0] ret_from_fork_asm+0x1b/0x30
[ 2524.587920][ C0]
[ 2546.951325][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2546.951694][ C0] rcu: 0-....: (1974050 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=430903
[ 2546.952255][ C0] rcu: (t=1976907 jiffies g=477977 q=5804 ncpus=4)
[ 2546.952595][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2546.953075][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2546.953699][ C0] Workqueue: netns cleanup_net
[ 2546.953952][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 2546.954219][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 2546.955200][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2546.955513][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2546.955915][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2546.956316][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2546.956723][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2546.957125][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2546.957531][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2546.957983][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2546.958325][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2546.958731][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2546.959133][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2546.959535][ C0] PKRU: 55555554
[ 2546.959719][ C0] Call Trace:
[ 2546.959892][ C0]
[ 2546.960041][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2546.960318][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2546.960573][ C0] ? check_cpu_stall+0x284/0x500
[ 2546.960826][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2546.961117][ C0] ? rcu_pending+0x92/0x360
[ 2546.961351][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2546.961623][ C0] ? update_process_times+0xb9/0x110
[ 2546.961897][ C0] ? tick_sched_handle+0x67/0x130
[ 2546.962157][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2546.962446][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2546.962691][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2546.963007][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2546.963287][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2546.963578][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2546.963849][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2546.964158][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2546.964424][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2546.964739][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2546.965042][ C0]
[ 2546.965192][ C0]
[ 2546.965345][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2546.965665][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2546.965961][ C0] ? kasan_report+0x19/0xf0
[ 2546.966207][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2546.966500][ C0] kasan_check_range+0x39/0x1c0
[ 2546.966753][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2546.967037][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2546.967355][ C0] ? __pfx___schedule+0x10/0x10
[ 2546.967609][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2546.967862][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2546.968137][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2546.968428][ C0] ? lock_acquire+0x1c1/0x220
[ 2546.968669][ C0] ? __mutex_lock+0x33e/0xb10
[ 2546.968913][ C0] ? __mutex_lock+0x811/0xb10
[ 2546.969156][ C0] _raw_spin_lock+0x67/0x80
[ 2546.969391][ C0] __mutex_lock+0x33e/0xb10
[ 2546.969625][ C0] ? __lock_release+0x40f/0x880
[ 2546.969876][ C0] ? __pfx___lock_release+0x10/0x10
[ 2546.970143][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2546.970446][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2546.970705][ C0] ? __pfx___up_read+0x10/0x10
[ 2546.970955][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2546.971226][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2546.971502][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2546.971797][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2546.972097][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2546.972386][ C0] __tcf_action_put+0x3d/0xf0
[ 2546.972630][ C0] tcf_action_destroy+0x43/0x130
[ 2546.972884][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2546.973132][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2546.973457][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2546.973733][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2546.974036][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2546.974334][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2546.974622][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2546.974937][ C0] ? __lock_release+0x40f/0x880
[ 2546.975188][ C0] ? __mutex_lock+0x26e/0xb10
[ 2546.975433][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2546.975718][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2546.976029][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2546.976338][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2546.976589][ C0] tcf_chain_flush+0x1e0/0x320
[ 2546.976834][ C0] __tcf_block_put+0x113/0x270
[ 2546.977082][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2546.977390][ C0] __qdisc_destroy+0xee/0x340
[ 2546.977633][ C0] dev_shutdown+0x129/0x350
[ 2546.977864][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2546.978189][ C0] ? rtnl_is_locked+0x15/0x20
[ 2546.978435][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2546.978753][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2546.979096][ C0] ? mutex_is_locked+0x17/0x50
[ 2546.979343][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2546.979649][ C0] cleanup_net+0x4cf/0xb60
[ 2546.979876][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2546.980166][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2546.980425][ C0] ? lock_acquire+0x1c1/0x220
[ 2546.980664][ C0] ? process_one_work+0x714/0x1310
[ 2546.980930][ C0] process_one_work+0x78c/0x1310
[ 2546.981185][ C0] ? hlock_class+0x4e/0x130
[ 2546.981420][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2546.981696][ C0] ? assign_work+0x16c/0x240
[ 2546.981935][ C0] worker_thread+0x73d/0x1010
[ 2546.982177][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2546.982515][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2546.982777][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2546.983038][ C0] kthread+0x28f/0x360
[ 2546.983254][ C0] ? __pfx_kthread+0x10/0x10
[ 2546.983493][ C0] ret_from_fork+0x31/0x70
[ 2546.983724][ C0] ? __pfx_kthread+0x10/0x10
[ 2546.983958][ C0] ret_from_fork_asm+0x1b/0x30
[ 2546.984211][ C0]
[ 2569.547344][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1999272 jiffies s: 1289 root: 0x1/.
[ 2569.548000][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2569.548380][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2569.548661][ C0] NMI backtrace for cpu 0
[ 2569.548666][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2569.548670][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2569.548673][ C0] Workqueue: netns cleanup_net
[ 2569.548681][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 2569.548689][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 2569.548692][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2569.548694][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2569.548696][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2569.548698][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2569.548700][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2569.548702][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2569.548703][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2569.548705][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2569.548708][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2569.548710][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2569.548711][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2569.548713][ C0] PKRU: 55555554
[ 2569.548714][ C0] Call Trace:
[ 2569.548717][ C0]
[ 2569.548720][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2569.548727][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2569.548732][ C0] ? nmi_handle+0x153/0x420
[ 2569.548738][ C0] ? default_do_nmi+0x41/0x100
[ 2569.548744][ C0] ? exc_nmi+0xf3/0x120
[ 2569.548747][ C0] ? end_repeat_nmi+0xf/0x60
[ 2569.548752][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2569.548758][ C0] ? kasan_report+0x22/0xf0
[ 2569.548761][ C0] ? kasan_report+0x22/0xf0
[ 2569.548764][ C0] ? kasan_report+0x22/0xf0
[ 2569.548767][ C0]
[ 2569.548768][ C0]
[ 2569.548770][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2569.548773][ C0] ? kasan_report+0xda/0xf0
[ 2569.548777][ C0] kasan_check_range+0x39/0x1c0
[ 2569.548783][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2569.548787][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2569.548791][ C0] ? __pfx___schedule+0x10/0x10
[ 2569.548797][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2569.548803][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2569.548806][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2569.548809][ C0] ? lock_acquire+0x1c1/0x220
[ 2569.548812][ C0] ? __mutex_lock+0x33e/0xb10
[ 2569.548816][ C0] ? __mutex_lock+0x811/0xb10
[ 2569.548819][ C0] _raw_spin_lock+0x67/0x80
[ 2569.548823][ C0] __mutex_lock+0x33e/0xb10
[ 2569.548826][ C0] ? __lock_release+0x40f/0x880
[ 2569.548829][ C0] ? __pfx___lock_release+0x10/0x10
[ 2569.548832][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2569.548838][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2569.548841][ C0] ? __pfx___up_read+0x10/0x10
[ 2569.548845][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2569.548848][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2569.548854][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2569.548860][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2569.548864][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2569.548868][ C0] __tcf_action_put+0x3d/0xf0
[ 2569.548874][ C0] tcf_action_destroy+0x43/0x130
[ 2569.548877][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2569.548881][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2569.548892][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2569.548901][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2569.548909][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2569.548918][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2569.548928][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2569.548935][ C0] ? __lock_release+0x40f/0x880
[ 2569.548939][ C0] ? __mutex_lock+0x26e/0xb10
[ 2569.548943][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2569.548953][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2569.548961][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2569.548966][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2569.548970][ C0] tcf_chain_flush+0x1e0/0x320
[ 2569.548975][ C0] __tcf_block_put+0x113/0x270
[ 2569.548980][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2569.548988][ C0] __qdisc_destroy+0xee/0x340
[ 2569.548993][ C0] dev_shutdown+0x129/0x350
[ 2569.548997][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2569.549001][ C0] ? rtnl_is_locked+0x15/0x20
[ 2569.549005][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2569.549008][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2569.549011][ C0] ? mutex_is_locked+0x17/0x50
[ 2569.549014][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2569.549021][ C0] cleanup_net+0x4cf/0xb60
[ 2569.549024][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2569.549027][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2569.549030][ C0] ? lock_acquire+0x1c1/0x220
[ 2569.549033][ C0] ? process_one_work+0x714/0x1310
[ 2569.549039][ C0] process_one_work+0x78c/0x1310
[ 2569.549044][ C0] ? hlock_class+0x4e/0x130
[ 2569.549047][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2569.549052][ C0] ? assign_work+0x16c/0x240
[ 2569.549055][ C0] worker_thread+0x73d/0x1010
[ 2569.549058][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2569.549062][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2569.549065][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2569.549068][ C0] kthread+0x28f/0x360
[ 2569.549071][ C0] ? __pfx_kthread+0x10/0x10
[ 2569.549073][ C0] ret_from_fork+0x31/0x70
[ 2569.549077][ C0] ? __pfx_kthread+0x10/0x10
[ 2569.549079][ C0] ret_from_fork_asm+0x1b/0x30
[ 2569.549088][ C0]
[ 2596.555811][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1889s! [kworker/u8:1:71]
[ 2596.556273][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2596.556984][ C0] irq event stamp: 164379
[ 2596.557205][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2596.557682][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2596.558161][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2596.558637][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2596.559104][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2596.559583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2596.560204][ C0] Workqueue: netns cleanup_net
[ 2596.560456][ C0] RIP: 0010:kasan_report+0xdd/0xf0
[ 2596.560726][ C0] Code: ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d 48 83 c4 70 44 89 e0 5b 5d 41 5c <41> 5d 41 5e 41 5f c3 cc cc cc cc 45 31 e4 eb e1 0f 1f 00 90 90 90
[ 2596.561711][ C0] RSP: 0018:ffffc9000051f3c0 EFLAGS: 00000282
[ 2596.562022][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2596.562427][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2596.562829][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2596.563244][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2596.563648][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2596.564050][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2596.564502][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2596.564837][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2596.565245][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2596.565649][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2596.566051][ C0] PKRU: 55555554
[ 2596.566235][ C0] Call Trace:
[ 2596.566412][ C0]
[ 2596.566562][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2596.566830][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2596.567078][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2596.567359][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2596.567636][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2596.567928][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2596.568197][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2596.568511][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2596.568778][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2596.569091][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2596.569392][ C0]
[ 2596.569547][ C0]
[ 2596.569698][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2596.570021][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2596.570322][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2596.570621][ C0] ? kasan_report+0xdd/0xf0
[ 2596.570857][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2596.571145][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2596.571463][ C0] ? __pfx___schedule+0x10/0x10
[ 2596.571716][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2596.571968][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2596.572243][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2596.572533][ C0] ? lock_acquire+0x1c1/0x220
[ 2596.572772][ C0] ? __mutex_lock+0x33e/0xb10
[ 2596.573022][ C0] ? __mutex_lock+0x811/0xb10
[ 2596.573263][ C0] _raw_spin_lock+0x67/0x80
[ 2596.573498][ C0] __mutex_lock+0x33e/0xb10
[ 2596.573732][ C0] ? __lock_release+0x40f/0x880
[ 2596.573982][ C0] ? __pfx___lock_release+0x10/0x10
[ 2596.574247][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2596.574551][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2596.574810][ C0] ? __pfx___up_read+0x10/0x10
[ 2596.575056][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2596.575327][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2596.575601][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2596.575896][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2596.576194][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2596.576485][ C0] __tcf_action_put+0x3d/0xf0
[ 2596.576728][ C0] tcf_action_destroy+0x43/0x130
[ 2596.576983][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2596.577226][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2596.577554][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2596.577830][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2596.578135][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2596.578434][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2596.578723][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2596.579037][ C0] ? __lock_release+0x40f/0x880
[ 2596.579289][ C0] ? __mutex_lock+0x26e/0xb10
[ 2596.579534][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2596.579820][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2596.580131][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2596.580441][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2596.580693][ C0] tcf_chain_flush+0x1e0/0x320
[ 2596.580939][ C0] __tcf_block_put+0x113/0x270
[ 2596.581186][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2596.581496][ C0] __qdisc_destroy+0xee/0x340
[ 2596.581739][ C0] dev_shutdown+0x129/0x350
[ 2596.581971][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2596.582297][ C0] ? rtnl_is_locked+0x15/0x20
[ 2596.582542][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2596.582867][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2596.583211][ C0] ? mutex_is_locked+0x17/0x50
[ 2596.583460][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2596.583766][ C0] cleanup_net+0x4cf/0xb60
[ 2596.583994][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2596.584284][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2596.584541][ C0] ? lock_acquire+0x1c1/0x220
[ 2596.584781][ C0] ? process_one_work+0x714/0x1310
[ 2596.585046][ C0] process_one_work+0x78c/0x1310
[ 2596.585301][ C0] ? hlock_class+0x4e/0x130
[ 2596.585536][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2596.585812][ C0] ? assign_work+0x16c/0x240
[ 2596.586051][ C0] worker_thread+0x73d/0x1010
[ 2596.586293][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2596.586632][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2596.586894][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2596.587154][ C0] kthread+0x28f/0x360
[ 2596.587366][ C0] ? __pfx_kthread+0x10/0x10
[ 2596.587604][ C0] ret_from_fork+0x31/0x70
[ 2596.587836][ C0] ? __pfx_kthread+0x10/0x10
[ 2596.588070][ C0] ret_from_fork_asm+0x1b/0x30
[ 2596.588323][ C0]
[ 2624.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1915s! [kworker/u8:1:71]
[ 2624.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2624.556978][ C0] irq event stamp: 164379
[ 2624.557198][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2624.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2624.558152][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2624.558628][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2624.559095][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2624.559576][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2624.560193][ C0] Workqueue: netns cleanup_net
[ 2624.560443][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 2624.560708][ C0] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca <65> 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 85 c0 0f 85 b7 00
[ 2624.561691][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2624.562001][ C0] RAX: 00000000000000fb RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2624.562405][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2624.562812][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2624.563216][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2624.563617][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2624.564019][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2624.564471][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2624.564806][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2624.565214][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2624.565616][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2624.566018][ C0] PKRU: 55555554
[ 2624.566201][ C0] Call Trace:
[ 2624.566377][ C0]
[ 2624.566528][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2624.566794][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2624.567044][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2624.567329][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2624.567612][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2624.567903][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2624.568172][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2624.568485][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2624.568749][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2624.569063][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2624.569362][ C0]
[ 2624.569515][ C0]
[ 2624.569665][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2624.569983][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2624.570283][ C0] ? kasan_report+0x19/0xf0
[ 2624.570520][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2624.570810][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2624.571125][ C0] ? __pfx___schedule+0x10/0x10
[ 2624.571379][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2624.571631][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2624.571909][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2624.572195][ C0] ? lock_acquire+0x1c1/0x220
[ 2624.572440][ C0] ? __mutex_lock+0x33e/0xb10
[ 2624.572683][ C0] ? __mutex_lock+0x811/0xb10
[ 2624.572928][ C0] _raw_spin_lock+0x67/0x80
[ 2624.573162][ C0] __mutex_lock+0x33e/0xb10
[ 2624.573399][ C0] ? __lock_release+0x40f/0x880
[ 2624.573648][ C0] ? __pfx___lock_release+0x10/0x10
[ 2624.573915][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2624.574216][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2624.574477][ C0] ? __pfx___up_read+0x10/0x10
[ 2624.574724][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2624.574995][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2624.575268][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2624.575567][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2624.575864][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2624.576154][ C0] __tcf_action_put+0x3d/0xf0
[ 2624.576399][ C0] tcf_action_destroy+0x43/0x130
[ 2624.576654][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2624.576894][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2624.577217][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2624.577497][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2624.577801][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2624.578099][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2624.578391][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2624.578707][ C0] ? __lock_release+0x40f/0x880
[ 2624.578958][ C0] ? __mutex_lock+0x26e/0xb10
[ 2624.579199][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2624.579488][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2624.579799][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2624.580107][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2624.580358][ C0] tcf_chain_flush+0x1e0/0x320
[ 2624.580606][ C0] __tcf_block_put+0x113/0x270
[ 2624.580855][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2624.581160][ C0] __qdisc_destroy+0xee/0x340
[ 2624.581406][ C0] dev_shutdown+0x129/0x350
[ 2624.581641][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2624.581965][ C0] ? rtnl_is_locked+0x15/0x20
[ 2624.582208][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2624.582529][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2624.582878][ C0] ? mutex_is_locked+0x17/0x50
[ 2624.583124][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2624.583429][ C0] cleanup_net+0x4cf/0xb60
[ 2624.583659][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2624.583945][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2624.584199][ C0] ? lock_acquire+0x1c1/0x220
[ 2624.584441][ C0] ? process_one_work+0x714/0x1310
[ 2624.584707][ C0] process_one_work+0x78c/0x1310
[ 2624.584963][ C0] ? hlock_class+0x4e/0x130
[ 2624.585197][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2624.585475][ C0] ? assign_work+0x16c/0x240
[ 2624.585712][ C0] worker_thread+0x73d/0x1010
[ 2624.585953][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2624.586289][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2624.586556][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2624.586818][ C0] kthread+0x28f/0x360
[ 2624.587028][ C0] ? __pfx_kthread+0x10/0x10
[ 2624.587264][ C0] ret_from_fork+0x31/0x70
[ 2624.587495][ C0] ? __pfx_kthread+0x10/0x10
[ 2624.587732][ C0] ret_from_fork_asm+0x1b/0x30
[ 2624.587984][ C0]
[ 2624.988324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2624.988667][ C0] rcu: 0-....: (2051965 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=447467
[ 2624.989225][ C0] rcu: (t=2054944 jiffies g=477977 q=5807 ncpus=4)
[ 2624.989564][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2624.990042][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2624.990664][ C0] Workqueue: netns cleanup_net
[ 2624.990911][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 2624.991176][ C0] Code: 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 41 8b 87 e0 17 00 00 <85> c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89 d3 49 89 cd e8 0f f7
[ 2624.992158][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2624.992469][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2624.992884][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2624.993286][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2624.993689][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2624.994091][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2624.994496][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2624.994948][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2624.995283][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2624.995687][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2624.996092][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2624.996497][ C0] PKRU: 55555554
[ 2624.996680][ C0] Call Trace:
[ 2624.996849][ C0]
[ 2624.997000][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2624.997276][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2624.997532][ C0] ? check_cpu_stall+0x284/0x500
[ 2624.997787][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2624.998077][ C0] ? rcu_pending+0x92/0x360
[ 2624.998312][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2624.998586][ C0] ? update_process_times+0xb9/0x110
[ 2624.998858][ C0] ? tick_sched_handle+0x67/0x130
[ 2624.999117][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2624.999407][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2624.999650][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2624.999967][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2625.000242][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2625.000535][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2625.000802][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2625.001110][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2625.001376][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2625.001688][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2625.001986][ C0]
[ 2625.002140][ C0]
[ 2625.002291][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2625.002611][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2625.002914][ C0] ? kasan_report+0x29/0xf0
[ 2625.003148][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2625.003440][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2625.003755][ C0] ? __pfx___schedule+0x10/0x10
[ 2625.004006][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2625.004257][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2625.004535][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2625.004821][ C0] ? lock_acquire+0x1c1/0x220
[ 2625.005063][ C0] ? __mutex_lock+0x33e/0xb10
[ 2625.005305][ C0] ? __mutex_lock+0x811/0xb10
[ 2625.005546][ C0] _raw_spin_lock+0x67/0x80
[ 2625.005781][ C0] __mutex_lock+0x33e/0xb10
[ 2625.006014][ C0] ? __lock_release+0x40f/0x880
[ 2625.006263][ C0] ? __pfx___lock_release+0x10/0x10
[ 2625.006531][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2625.006830][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2625.007095][ C0] ? __pfx___up_read+0x10/0x10
[ 2625.007342][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2625.007612][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2625.007882][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2625.008176][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2625.008474][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2625.008763][ C0] __tcf_action_put+0x3d/0xf0
[ 2625.009007][ C0] tcf_action_destroy+0x43/0x130
[ 2625.009262][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2625.009502][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2625.009824][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2625.010099][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2625.010406][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2625.010704][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2625.010994][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2625.011310][ C0] ? __lock_release+0x40f/0x880
[ 2625.011562][ C0] ? __mutex_lock+0x26e/0xb10
[ 2625.011803][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2625.012091][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2625.012402][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2625.012721][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2625.012973][ C0] tcf_chain_flush+0x1e0/0x320
[ 2625.013221][ C0] __tcf_block_put+0x113/0x270
[ 2625.013470][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2625.013774][ C0] __qdisc_destroy+0xee/0x340
[ 2625.014017][ C0] dev_shutdown+0x129/0x350
[ 2625.014253][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2625.014578][ C0] ? rtnl_is_locked+0x15/0x20
[ 2625.014822][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2625.015140][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2625.015488][ C0] ? mutex_is_locked+0x17/0x50
[ 2625.015732][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2625.016037][ C0] cleanup_net+0x4cf/0xb60
[ 2625.016268][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2625.016555][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2625.016809][ C0] ? lock_acquire+0x1c1/0x220
[ 2625.017053][ C0] ? process_one_work+0x714/0x1310
[ 2625.017316][ C0] process_one_work+0x78c/0x1310
[ 2625.017573][ C0] ? hlock_class+0x4e/0x130
[ 2625.017807][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2625.018085][ C0] ? assign_work+0x16c/0x240
[ 2625.018322][ C0] worker_thread+0x73d/0x1010
[ 2625.018565][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2625.018901][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2625.019165][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2625.019429][ C0] kthread+0x28f/0x360
[ 2625.019640][ C0] ? __pfx_kthread+0x10/0x10
[ 2625.019875][ C0] ret_from_fork+0x31/0x70
[ 2625.020105][ C0] ? __pfx_kthread+0x10/0x10
[ 2625.020343][ C0] ret_from_fork_asm+0x1b/0x30
[ 2625.020593][ C0]
[ 2652.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1941s! [kworker/u8:1:71]
[ 2652.556272][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2652.556981][ C0] irq event stamp: 164379
[ 2652.557203][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2652.557679][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2652.558156][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2652.558632][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2652.559100][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2652.559577][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2652.560199][ C0] Workqueue: netns cleanup_net
[ 2652.560451][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 2652.560717][ C0] Code: 90 90 90 90 90 90 90 90 66 0f 1f 00 41 57 41 56 41 55 41 54 55 53 48 83 ec 70 9c 8f 04 24 0f 01 ca 65 4c 8b 3c 25 80 b8 1f 00 <41> 8b 87 e0 17 00 00 85 c0 0f 85 b7 00 00 00 48 89 fd 49 89 f6 89
[ 2652.561699][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2652.562010][ C0] RAX: 0000000000000001 RBX: ffffed10011c9f42 RCX: ffffffff906b35b0
[ 2652.562413][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2652.562819][ C0] RBP: ffffed10011c9f41 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2652.563222][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2652.563627][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: ffff888005b70040
[ 2652.564029][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2652.564482][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2652.564818][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2652.565223][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2652.565629][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2652.566032][ C0] PKRU: 55555554
[ 2652.566216][ C0] Call Trace:
[ 2652.566392][ C0]
[ 2652.566542][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2652.566810][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2652.567058][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2652.567339][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2652.567615][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2652.567908][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2652.568177][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2652.568489][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2652.568755][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2652.569067][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2652.569367][ C0]
[ 2652.569520][ C0]
[ 2652.569672][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2652.569991][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2652.570282][ C0] ? kasan_report+0x22/0xf0
[ 2652.570521][ C0] kasan_check_range+0x39/0x1c0
[ 2652.570775][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2652.571058][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2652.571377][ C0] ? __pfx___schedule+0x10/0x10
[ 2652.571631][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2652.571885][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2652.572160][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2652.572452][ C0] ? lock_acquire+0x1c1/0x220
[ 2652.572696][ C0] ? __mutex_lock+0x33e/0xb10
[ 2652.572945][ C0] ? __mutex_lock+0x811/0xb10
[ 2652.573188][ C0] _raw_spin_lock+0x67/0x80
[ 2652.573425][ C0] __mutex_lock+0x33e/0xb10
[ 2652.573661][ C0] ? __lock_release+0x40f/0x880
[ 2652.573911][ C0] ? __pfx___lock_release+0x10/0x10
[ 2652.574177][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2652.574482][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2652.574741][ C0] ? __pfx___up_read+0x10/0x10
[ 2652.574987][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2652.575259][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2652.575534][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2652.575828][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2652.576128][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2652.576418][ C0] __tcf_action_put+0x3d/0xf0
[ 2652.576664][ C0] tcf_action_destroy+0x43/0x130
[ 2652.576920][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2652.577162][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2652.577488][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2652.577764][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2652.578073][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2652.578373][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2652.578662][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2652.578978][ C0] ? __lock_release+0x40f/0x880
[ 2652.579227][ C0] ? __mutex_lock+0x26e/0xb10
[ 2652.579473][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2652.579759][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2652.580072][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2652.580384][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2652.580635][ C0] tcf_chain_flush+0x1e0/0x320
[ 2652.580880][ C0] __tcf_block_put+0x113/0x270
[ 2652.581129][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2652.581438][ C0] __qdisc_destroy+0xee/0x340
[ 2652.581683][ C0] dev_shutdown+0x129/0x350
[ 2652.581917][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2652.582242][ C0] ? rtnl_is_locked+0x15/0x20
[ 2652.582488][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2652.582812][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2652.583155][ C0] ? mutex_is_locked+0x17/0x50
[ 2652.583403][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2652.583710][ C0] cleanup_net+0x4cf/0xb60
[ 2652.583939][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2652.584228][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2652.584485][ C0] ? lock_acquire+0x1c1/0x220
[ 2652.584724][ C0] ? process_one_work+0x714/0x1310
[ 2652.584989][ C0] process_one_work+0x78c/0x1310
[ 2652.585244][ C0] ? hlock_class+0x4e/0x130
[ 2652.585480][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2652.585755][ C0] ? assign_work+0x16c/0x240
[ 2652.585994][ C0] worker_thread+0x73d/0x1010
[ 2652.586237][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2652.586575][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2652.586837][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2652.587100][ C0] kthread+0x28f/0x360
[ 2652.587310][ C0] ? __pfx_kthread+0x10/0x10
[ 2652.587549][ C0] ret_from_fork+0x31/0x70
[ 2652.587779][ C0] ? __pfx_kthread+0x10/0x10
[ 2652.588015][ C0] ret_from_fork_asm+0x1b/0x30
[ 2652.588267][ C0]
[ 2667.851343][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2097576 jiffies s: 1289 root: 0x1/.
[ 2667.852000][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2667.852383][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2667.852671][ C0] NMI backtrace for cpu 0
[ 2667.852676][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2667.852680][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2667.852684][ C0] Workqueue: netns cleanup_net
[ 2667.852690][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 2667.852696][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 05 b9 a9 a4 05 48 d1 e8 83 e0 01 75 0d f0 48 0f ba 2d a7 a9 a4 05 00 <0f> 93 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40
[ 2667.852699][ C0] RSP: 0018:ffffc9000051f330 EFLAGS: 00000247
[ 2667.852702][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2667.852703][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2667.852705][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2667.852707][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2667.852709][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2667.852711][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2667.852713][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2667.852716][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2667.852718][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2667.852719][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2667.852721][ C0] PKRU: 55555554
[ 2667.852722][ C0] Call Trace:
[ 2667.852725][ C0]
[ 2667.852728][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2667.852734][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2667.852739][ C0] ? nmi_handle+0x153/0x420
[ 2667.852744][ C0] ? default_do_nmi+0x41/0x100
[ 2667.852749][ C0] ? exc_nmi+0xf3/0x120
[ 2667.852752][ C0] ? end_repeat_nmi+0xf/0x60
[ 2667.852755][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2667.852761][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2667.852765][ C0] ? report_enabled+0x19/0x30
[ 2667.852768][ C0] ? report_enabled+0x19/0x30
[ 2667.852772][ C0] ? report_enabled+0x19/0x30
[ 2667.852775][ C0]
[ 2667.852776][ C0]
[ 2667.852777][ C0] kasan_report+0x41/0xf0
[ 2667.852781][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2667.852786][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2667.852790][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2667.852794][ C0] ? __pfx___schedule+0x10/0x10
[ 2667.852800][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2667.852806][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2667.852809][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2667.852813][ C0] ? lock_acquire+0x1c1/0x220
[ 2667.852815][ C0] ? __mutex_lock+0x33e/0xb10
[ 2667.852819][ C0] ? __mutex_lock+0x811/0xb10
[ 2667.852822][ C0] _raw_spin_lock+0x67/0x80
[ 2667.852826][ C0] __mutex_lock+0x33e/0xb10
[ 2667.852829][ C0] ? __lock_release+0x40f/0x880
[ 2667.852832][ C0] ? __pfx___lock_release+0x10/0x10
[ 2667.852835][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2667.852841][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2667.852844][ C0] ? __pfx___up_read+0x10/0x10
[ 2667.852848][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2667.852851][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2667.852856][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2667.852862][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2667.852866][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2667.852870][ C0] __tcf_action_put+0x3d/0xf0
[ 2667.852875][ C0] tcf_action_destroy+0x43/0x130
[ 2667.852878][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2667.852882][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2667.852892][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2667.852901][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2667.852910][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2667.852919][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2667.852928][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2667.852936][ C0] ? __lock_release+0x40f/0x880
[ 2667.852940][ C0] ? __mutex_lock+0x26e/0xb10
[ 2667.852944][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2667.852954][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2667.852962][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2667.852967][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2667.852971][ C0] tcf_chain_flush+0x1e0/0x320
[ 2667.852975][ C0] __tcf_block_put+0x113/0x270
[ 2667.852979][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2667.852987][ C0] __qdisc_destroy+0xee/0x340
[ 2667.852992][ C0] dev_shutdown+0x129/0x350
[ 2667.852996][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2667.853001][ C0] ? rtnl_is_locked+0x15/0x20
[ 2667.853005][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2667.853008][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2667.853011][ C0] ? mutex_is_locked+0x17/0x50
[ 2667.853014][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2667.853019][ C0] cleanup_net+0x4cf/0xb60
[ 2667.853022][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2667.853025][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2667.853028][ C0] ? lock_acquire+0x1c1/0x220
[ 2667.853030][ C0] ? process_one_work+0x714/0x1310
[ 2667.853034][ C0] process_one_work+0x78c/0x1310
[ 2667.853039][ C0] ? hlock_class+0x4e/0x130
[ 2667.853042][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2667.853047][ C0] ? assign_work+0x16c/0x240
[ 2667.853051][ C0] worker_thread+0x73d/0x1010
[ 2667.853054][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2667.853058][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2667.853061][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2667.853064][ C0] kthread+0x28f/0x360
[ 2667.853067][ C0] ? __pfx_kthread+0x10/0x10
[ 2667.853069][ C0] ret_from_fork+0x31/0x70
[ 2667.853072][ C0] ? __pfx_kthread+0x10/0x10
[ 2667.853074][ C0] ret_from_fork_asm+0x1b/0x30
[ 2667.853083][ C0]
[ 2692.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1978s! [kworker/u8:1:71]
[ 2692.556270][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2692.556976][ C0] irq event stamp: 164379
[ 2692.557195][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2692.557674][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2692.558149][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2692.558625][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2692.559093][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2692.559575][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2692.560193][ C0] Workqueue: netns cleanup_net
[ 2692.560445][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2692.560710][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2692.561693][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2692.562005][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 2692.562413][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2692.562819][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2692.563222][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2692.563627][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 2692.564027][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2692.564481][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2692.564819][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2692.565225][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2692.565630][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2692.566032][ C0] PKRU: 55555554
[ 2692.566216][ C0] Call Trace:
[ 2692.566392][ C0]
[ 2692.566542][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2692.566808][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2692.567056][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2692.567338][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2692.567616][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2692.567905][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2692.568173][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2692.568486][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2692.568750][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2692.569065][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2692.569365][ C0]
[ 2692.569517][ C0]
[ 2692.569668][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2692.569987][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2692.570282][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2692.570575][ C0] ? kasan_report+0xd2/0xf0
[ 2692.570812][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2692.571110][ C0] kasan_check_range+0x39/0x1c0
[ 2692.571365][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2692.571652][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2692.571968][ C0] ? __pfx___schedule+0x10/0x10
[ 2692.572220][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2692.572480][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2692.572758][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2692.573045][ C0] ? lock_acquire+0x1c1/0x220
[ 2692.573287][ C0] ? __mutex_lock+0x33e/0xb10
[ 2692.573531][ C0] ? __mutex_lock+0x811/0xb10
[ 2692.573771][ C0] _raw_spin_lock+0x67/0x80
[ 2692.574009][ C0] __mutex_lock+0x33e/0xb10
[ 2692.574242][ C0] ? __lock_release+0x40f/0x880
[ 2692.574493][ C0] ? __pfx___lock_release+0x10/0x10
[ 2692.574761][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2692.575063][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2692.575322][ C0] ? __pfx___up_read+0x10/0x10
[ 2692.575573][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2692.575843][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2692.576116][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2692.576416][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2692.576715][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2692.577005][ C0] __tcf_action_put+0x3d/0xf0
[ 2692.577250][ C0] tcf_action_destroy+0x43/0x130
[ 2692.577507][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2692.577747][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2692.578072][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2692.578349][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2692.578655][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2692.578952][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2692.579242][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2692.579560][ C0] ? __lock_release+0x40f/0x880
[ 2692.579811][ C0] ? __mutex_lock+0x26e/0xb10
[ 2692.580052][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2692.580342][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2692.580653][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2692.580961][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2692.581213][ C0] tcf_chain_flush+0x1e0/0x320
[ 2692.581463][ C0] __tcf_block_put+0x113/0x270
[ 2692.581711][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2692.582017][ C0] __qdisc_destroy+0xee/0x340
[ 2692.582261][ C0] dev_shutdown+0x129/0x350
[ 2692.582502][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2692.582829][ C0] ? rtnl_is_locked+0x15/0x20
[ 2692.583072][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2692.583392][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2692.583740][ C0] ? mutex_is_locked+0x17/0x50
[ 2692.583985][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2692.584291][ C0] cleanup_net+0x4cf/0xb60
[ 2692.584523][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2692.584811][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2692.585066][ C0] ? lock_acquire+0x1c1/0x220
[ 2692.585307][ C0] ? process_one_work+0x714/0x1310
[ 2692.585574][ C0] process_one_work+0x78c/0x1310
[ 2692.585830][ C0] ? hlock_class+0x4e/0x130
[ 2692.586064][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2692.586345][ C0] ? assign_work+0x16c/0x240
[ 2692.586583][ C0] worker_thread+0x73d/0x1010
[ 2692.586824][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2692.587159][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2692.587424][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2692.587687][ C0] kthread+0x28f/0x360
[ 2692.587897][ C0] ? __pfx_kthread+0x10/0x10
[ 2692.588133][ C0] ret_from_fork+0x31/0x70
[ 2692.588364][ C0] ? __pfx_kthread+0x10/0x10
[ 2692.588602][ C0] ret_from_fork_asm+0x1b/0x30
[ 2692.588853][ C0]
[ 2703.024324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2703.024676][ C0] rcu: 0-....: (2129879 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=464186
[ 2703.025239][ C0] rcu: (t=2132980 jiffies g=477977 q=5810 ncpus=4)
[ 2703.025578][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2703.026056][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2703.026676][ C0] Workqueue: netns cleanup_net
[ 2703.026927][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2703.027259][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2703.028243][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2703.028559][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2703.028960][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2703.029364][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2703.029769][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2703.030170][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2703.030575][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2703.031026][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2703.031363][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2703.031770][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2703.032174][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2703.032580][ C0] PKRU: 55555554
[ 2703.032763][ C0] Call Trace:
[ 2703.032936][ C0]
[ 2703.033084][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2703.033361][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2703.033618][ C0] ? check_cpu_stall+0x284/0x500
[ 2703.033871][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2703.034162][ C0] ? rcu_pending+0x92/0x360
[ 2703.034394][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2703.034667][ C0] ? update_process_times+0xb9/0x110
[ 2703.034942][ C0] ? tick_sched_handle+0x67/0x130
[ 2703.035200][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2703.035488][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2703.035733][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2703.036047][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2703.036321][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2703.036614][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2703.036883][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2703.037190][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2703.037456][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2703.037769][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2703.038070][ C0]
[ 2703.038220][ C0]
[ 2703.038374][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2703.038692][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2703.038990][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2703.039288][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2703.039604][ C0] ? __pfx___schedule+0x10/0x10
[ 2703.039855][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2703.040106][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2703.040384][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2703.040672][ C0] ? lock_acquire+0x1c1/0x220
[ 2703.040914][ C0] ? __mutex_lock+0x33e/0xb10
[ 2703.041157][ C0] ? __mutex_lock+0x811/0xb10
[ 2703.041397][ C0] _raw_spin_lock+0x67/0x80
[ 2703.041629][ C0] __mutex_lock+0x33e/0xb10
[ 2703.041863][ C0] ? __lock_release+0x40f/0x880
[ 2703.042112][ C0] ? __pfx___lock_release+0x10/0x10
[ 2703.042385][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2703.042684][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2703.042942][ C0] ? __pfx___up_read+0x10/0x10
[ 2703.043192][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2703.043463][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2703.043735][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2703.044031][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2703.044328][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2703.044618][ C0] __tcf_action_put+0x3d/0xf0
[ 2703.044863][ C0] tcf_action_destroy+0x43/0x130
[ 2703.045117][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2703.045357][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2703.045680][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2703.045956][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2703.046260][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2703.046560][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2703.046849][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2703.047163][ C0] ? __lock_release+0x40f/0x880
[ 2703.047415][ C0] ? __mutex_lock+0x26e/0xb10
[ 2703.047655][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2703.047943][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2703.048252][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2703.048561][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2703.048812][ C0] tcf_chain_flush+0x1e0/0x320
[ 2703.049058][ C0] __tcf_block_put+0x113/0x270
[ 2703.049306][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2703.049611][ C0] __qdisc_destroy+0xee/0x340
[ 2703.049854][ C0] dev_shutdown+0x129/0x350
[ 2703.050089][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2703.050416][ C0] ? rtnl_is_locked+0x15/0x20
[ 2703.050657][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2703.050975][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2703.051321][ C0] ? mutex_is_locked+0x17/0x50
[ 2703.051567][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2703.051870][ C0] cleanup_net+0x4cf/0xb60
[ 2703.052100][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2703.052391][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2703.052646][ C0] ? lock_acquire+0x1c1/0x220
[ 2703.052887][ C0] ? process_one_work+0x714/0x1310
[ 2703.053152][ C0] process_one_work+0x78c/0x1310
[ 2703.053409][ C0] ? hlock_class+0x4e/0x130
[ 2703.053644][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2703.053920][ C0] ? assign_work+0x16c/0x240
[ 2703.054157][ C0] worker_thread+0x73d/0x1010
[ 2703.054398][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2703.054735][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2703.054998][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2703.055260][ C0] kthread+0x28f/0x360
[ 2703.055471][ C0] ? __pfx_kthread+0x10/0x10
[ 2703.055707][ C0] ret_from_fork+0x31/0x70
[ 2703.055935][ C0] ? __pfx_kthread+0x10/0x10
[ 2703.056172][ C0] ret_from_fork_asm+0x1b/0x30
[ 2703.056424][ C0]
[ 2728.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 2012s! [kworker/u8:1:71]
[ 2728.556258][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2728.556964][ C0] irq event stamp: 164379
[ 2728.557184][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2728.557661][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2728.558140][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2728.558614][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2728.559082][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2728.559562][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2728.560181][ C0] Workqueue: netns cleanup_net
[ 2728.560432][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2728.560698][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2728.561684][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2728.561994][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2728.562403][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2728.562806][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2728.563211][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2728.563614][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2728.564016][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2728.564470][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2728.564805][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2728.565214][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2728.565618][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2728.566019][ C0] PKRU: 55555554
[ 2728.566203][ C0] Call Trace:
[ 2728.566377][ C0]
[ 2728.566525][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2728.566790][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2728.567039][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2728.567318][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2728.567597][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2728.567888][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2728.568156][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2728.568469][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2728.568735][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2728.569049][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2728.569350][ C0]
[ 2728.569504][ C0]
[ 2728.569655][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2728.569974][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2728.570273][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2728.570572][ C0] ? kasan_report+0xd2/0xf0
[ 2728.570810][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2728.571097][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2728.571416][ C0] ? __pfx___schedule+0x10/0x10
[ 2728.571670][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2728.571923][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2728.572201][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2728.572493][ C0] ? lock_acquire+0x1c1/0x220
[ 2728.572734][ C0] ? __mutex_lock+0x33e/0xb10
[ 2728.572976][ C0] ? __mutex_lock+0x811/0xb10
[ 2728.573219][ C0] _raw_spin_lock+0x67/0x80
[ 2728.573454][ C0] __mutex_lock+0x33e/0xb10
[ 2728.573686][ C0] ? __lock_release+0x40f/0x880
[ 2728.573936][ C0] ? __pfx___lock_release+0x10/0x10
[ 2728.574201][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2728.574505][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2728.574766][ C0] ? __pfx___up_read+0x10/0x10
[ 2728.575014][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2728.575284][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2728.575559][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2728.575854][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2728.576151][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2728.576441][ C0] __tcf_action_put+0x3d/0xf0
[ 2728.576683][ C0] tcf_action_destroy+0x43/0x130
[ 2728.576939][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2728.577182][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2728.577506][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2728.577782][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2728.578086][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2728.578383][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2728.578674][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2728.578988][ C0] ? __lock_release+0x40f/0x880
[ 2728.579238][ C0] ? __mutex_lock+0x26e/0xb10
[ 2728.579484][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2728.579768][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2728.580080][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2728.580390][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2728.580640][ C0] tcf_chain_flush+0x1e0/0x320
[ 2728.580887][ C0] __tcf_block_put+0x113/0x270
[ 2728.581132][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2728.581442][ C0] __qdisc_destroy+0xee/0x340
[ 2728.581687][ C0] dev_shutdown+0x129/0x350
[ 2728.581920][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2728.582248][ C0] ? rtnl_is_locked+0x15/0x20
[ 2728.582492][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2728.582809][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2728.583153][ C0] ? mutex_is_locked+0x17/0x50
[ 2728.583399][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2728.583710][ C0] cleanup_net+0x4cf/0xb60
[ 2728.583939][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2728.584227][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2728.584483][ C0] ? lock_acquire+0x1c1/0x220
[ 2728.584724][ C0] ? process_one_work+0x714/0x1310
[ 2728.584989][ C0] process_one_work+0x78c/0x1310
[ 2728.585244][ C0] ? hlock_class+0x4e/0x130
[ 2728.585481][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2728.585759][ C0] ? assign_work+0x16c/0x240
[ 2728.585996][ C0] worker_thread+0x73d/0x1010
[ 2728.586238][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2728.586577][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2728.586839][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2728.587102][ C0] kthread+0x28f/0x360
[ 2728.587313][ C0] ? __pfx_kthread+0x10/0x10
[ 2728.587551][ C0] ret_from_fork+0x31/0x70
[ 2728.587781][ C0] ? __pfx_kthread+0x10/0x10
[ 2728.588017][ C0] ret_from_fork_asm+0x1b/0x30
[ 2728.588267][ C0]
[ 2756.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 2038s! [kworker/u8:1:71]
[ 2756.556258][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2756.556965][ C0] irq event stamp: 164379
[ 2756.557184][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2756.557663][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2756.558138][ C0] softirqs last enabled at (164328): [] __do_softirq+0x519/0x7ff
[ 2756.558612][ C0] softirqs last disabled at (163773): [] irq_exit_rcu+0x98/0xc0
[ 2756.559079][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2756.559561][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2756.560179][ C0] Workqueue: netns cleanup_net
[ 2756.560430][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 2756.560758][ C0] Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 43 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e2 00 00
[ 2756.561738][ C0] RSP: 0018:ffffc9000051f3e0 EFLAGS: 00000206
[ 2756.562049][ C0] RAX: 0000000000000000 RBX: 0000000000000047 RCX: ffffffff906b3f0c
[ 2756.562457][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2756.562861][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2756.563264][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 2756.563668][ C0] R13: ffffed10011c9f41 R14: 0000000000000001 R15: 1ffff920000a3e7d
[ 2756.564070][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2756.564522][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2756.564858][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2756.565262][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2756.565666][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2756.566069][ C0] PKRU: 55555554
[ 2756.566251][ C0] Call Trace:
[ 2756.566427][ C0]
[ 2756.566575][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 2756.566844][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2756.567090][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 2756.567372][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2756.567648][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2756.567938][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2756.568206][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2756.568517][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2756.568781][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2756.569096][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2756.569397][ C0]
[ 2756.569548][ C0]
[ 2756.569700][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2756.570020][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2756.570320][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 2756.570622][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2756.570937][ C0] ? __pfx___schedule+0x10/0x10
[ 2756.571189][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2756.571444][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2756.571719][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2756.572008][ C0] ? lock_acquire+0x1c1/0x220
[ 2756.572253][ C0] ? __mutex_lock+0x33e/0xb10
[ 2756.572497][ C0] ? __mutex_lock+0x811/0xb10
[ 2756.572739][ C0] _raw_spin_lock+0x67/0x80
[ 2756.572976][ C0] __mutex_lock+0x33e/0xb10
[ 2756.573207][ C0] ? __lock_release+0x40f/0x880
[ 2756.573461][ C0] ? __pfx___lock_release+0x10/0x10
[ 2756.573726][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2756.574029][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2756.574286][ C0] ? __pfx___up_read+0x10/0x10
[ 2756.574538][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2756.574809][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2756.575082][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2756.575380][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2756.575677][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2756.575968][ C0] __tcf_action_put+0x3d/0xf0
[ 2756.576212][ C0] tcf_action_destroy+0x43/0x130
[ 2756.576468][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2756.576716][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2756.577038][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2756.577314][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2756.577621][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2756.577917][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2756.578210][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2756.578526][ C0] ? __lock_release+0x40f/0x880
[ 2756.578776][ C0] ? __mutex_lock+0x26e/0xb10
[ 2756.579019][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2756.579305][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2756.579617][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2756.579927][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2756.580178][ C0] tcf_chain_flush+0x1e0/0x320
[ 2756.580429][ C0] __tcf_block_put+0x113/0x270
[ 2756.580675][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2756.580982][ C0] __qdisc_destroy+0xee/0x340
[ 2756.581224][ C0] dev_shutdown+0x129/0x350
[ 2756.581462][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2756.581787][ C0] ? rtnl_is_locked+0x15/0x20
[ 2756.582028][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2756.582355][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2756.582702][ C0] ? mutex_is_locked+0x17/0x50
[ 2756.582946][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2756.583254][ C0] cleanup_net+0x4cf/0xb60
[ 2756.583486][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2756.583773][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2756.584028][ C0] ? lock_acquire+0x1c1/0x220
[ 2756.584270][ C0] ? process_one_work+0x714/0x1310
[ 2756.584536][ C0] process_one_work+0x78c/0x1310
[ 2756.584792][ C0] ? hlock_class+0x4e/0x130
[ 2756.585025][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2756.585304][ C0] ? assign_work+0x16c/0x240
[ 2756.585543][ C0] worker_thread+0x73d/0x1010
[ 2756.585785][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2756.586121][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2756.586385][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2756.586647][ C0] kthread+0x28f/0x360
[ 2756.586861][ C0] ? __pfx_kthread+0x10/0x10
[ 2756.587097][ C0] ret_from_fork+0x31/0x70
[ 2756.587328][ C0] ? __pfx_kthread+0x10/0x10
[ 2756.587566][ C0] ret_from_fork_asm+0x1b/0x30
[ 2756.587816][ C0]
[ 2766.155341][ T49] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2195880 jiffies s: 1289 root: 0x1/.
[ 2766.155978][ T49] rcu: blocking rcu_node structures (internal RCU debug):
[ 2766.156354][ T49] Sending NMI from CPU 2 to CPUs 0:
[ 2766.156635][ C0] NMI backtrace for cpu 0
[ 2766.156638][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2766.156642][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2766.156644][ C0] Workqueue: netns cleanup_net
[ 2766.156650][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2766.156656][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2766.156659][ C0] RSP: 0018:ffffc9000051f318 EFLAGS: 00000286
[ 2766.156662][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b35b0
[ 2766.156663][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2766.156665][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2766.156667][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2766.156669][ C0] R13: ffffffff906b35b0 R14: 0000000000000004 R15: ffff888005b70040
[ 2766.156671][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2766.156673][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2766.156676][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2766.156678][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2766.156679][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2766.156681][ C0] PKRU: 55555554
[ 2766.156682][ C0] Call Trace:
[ 2766.156684][ C0]
[ 2766.156686][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 2766.156693][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 2766.156698][ C0] ? nmi_handle+0x153/0x420
[ 2766.156703][ C0] ? default_do_nmi+0x41/0x100
[ 2766.156708][ C0] ? exc_nmi+0xf3/0x120
[ 2766.156711][ C0] ? end_repeat_nmi+0xf/0x60
[ 2766.156715][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2766.156722][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 2766.156725][ C0] ? kasan_report+0xd2/0xf0
[ 2766.156729][ C0] ? kasan_report+0xd2/0xf0
[ 2766.156732][ C0] ? kasan_report+0xd2/0xf0
[ 2766.156734][ C0]
[ 2766.156735][ C0]
[ 2766.156739][ C0] kasan_check_range+0x39/0x1c0
[ 2766.156745][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 2766.156748][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2766.156753][ C0] ? __pfx___schedule+0x10/0x10
[ 2766.156758][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2766.156765][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2766.156768][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2766.156771][ C0] ? lock_acquire+0x1c1/0x220
[ 2766.156774][ C0] ? __mutex_lock+0x33e/0xb10
[ 2766.156779][ C0] ? __mutex_lock+0x811/0xb10
[ 2766.156782][ C0] _raw_spin_lock+0x67/0x80
[ 2766.156785][ C0] __mutex_lock+0x33e/0xb10
[ 2766.156788][ C0] ? __lock_release+0x40f/0x880
[ 2766.156792][ C0] ? __pfx___lock_release+0x10/0x10
[ 2766.156794][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2766.156799][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2766.156803][ C0] ? __pfx___up_read+0x10/0x10
[ 2766.156807][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2766.156810][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2766.156815][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2766.156821][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2766.156824][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2766.156829][ C0] __tcf_action_put+0x3d/0xf0
[ 2766.156834][ C0] tcf_action_destroy+0x43/0x130
[ 2766.156837][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2766.156840][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2766.156855][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2766.156863][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2766.156871][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2766.156880][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2766.156889][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2766.156897][ C0] ? __lock_release+0x40f/0x880
[ 2766.156901][ C0] ? __mutex_lock+0x26e/0xb10
[ 2766.156905][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2766.156914][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2766.156922][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2766.156927][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2766.156931][ C0] tcf_chain_flush+0x1e0/0x320
[ 2766.156936][ C0] __tcf_block_put+0x113/0x270
[ 2766.156940][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2766.156947][ C0] __qdisc_destroy+0xee/0x340
[ 2766.156951][ C0] dev_shutdown+0x129/0x350
[ 2766.156955][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2766.156960][ C0] ? rtnl_is_locked+0x15/0x20
[ 2766.156964][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2766.156967][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2766.156971][ C0] ? mutex_is_locked+0x17/0x50
[ 2766.156973][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2766.156980][ C0] cleanup_net+0x4cf/0xb60
[ 2766.156982][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2766.156985][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2766.156988][ C0] ? lock_acquire+0x1c1/0x220
[ 2766.156991][ C0] ? process_one_work+0x714/0x1310
[ 2766.156996][ C0] process_one_work+0x78c/0x1310
[ 2766.157000][ C0] ? hlock_class+0x4e/0x130
[ 2766.157004][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2766.157008][ C0] ? assign_work+0x16c/0x240
[ 2766.157012][ C0] worker_thread+0x73d/0x1010
[ 2766.157015][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2766.157019][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2766.157022][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2766.157024][ C0] kthread+0x28f/0x360
[ 2766.157027][ C0] ? __pfx_kthread+0x10/0x10
[ 2766.157029][ C0] ret_from_fork+0x31/0x70
[ 2766.157032][ C0] ? __pfx_kthread+0x10/0x10
[ 2766.157034][ C0] ret_from_fork_asm+0x1b/0x30
[ 2766.157042][ C0]
[ 2781.060324][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 2781.060677][ C0] rcu: 0-....: (2207794 ticks this GP) idle=b65c/1/0x4000000000000000 softirq=265111/265113 fqs=480825
[ 2781.061240][ C0] rcu: (t=2211016 jiffies g=477977 q=5817 ncpus=4)
[ 2781.061577][ C0] CPU: 0 PID: 71 Comm: kworker/u8:1 Tainted: G B L 6.8.0-rc2-virtme #1
[ 2781.062056][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2781.062677][ C0] Workqueue: netns cleanup_net
[ 2781.062927][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 2781.063192][ C0] Code: 24 28 4c 89 6c 24 30 e8 7c f5 ff ff 48 8d 7c 24 10 e8 92 fa ff ff 0f b6 d3 48 89 ee 48 8d 7c 24 08 e8 02 fd ff ff ff 34 24 9d <48> 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc
[ 2781.064174][ C0] RSP: 0018:ffffc9000051f338 EFLAGS: 00000282
[ 2781.064488][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff906b3f0c
[ 2781.064891][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888008e4fa08
[ 2781.065292][ C0] RBP: ffff888008e4fa08 R08: 0000000000000000 R09: ffffed10011c9f41
[ 2781.065698][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 2781.066103][ C0] R13: ffffffff906b3f0c R14: 0000000000000004 R15: ffff888005b70040
[ 2781.066506][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 2781.066958][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2781.067292][ C0] CR2: 00007fd3e64bd270 CR3: 000000001c334002 CR4: 0000000000770ef0
[ 2781.067698][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2781.068102][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2781.068504][ C0] PKRU: 55555554
[ 2781.068687][ C0] Call Trace:
[ 2781.068859][ C0]
[ 2781.069007][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 2781.069283][ C0] ? print_cpu_stall+0x263/0x6a0
[ 2781.069539][ C0] ? check_cpu_stall+0x284/0x500
[ 2781.069791][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 2781.070081][ C0] ? rcu_pending+0x92/0x360
[ 2781.070315][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 2781.070588][ C0] ? update_process_times+0xb9/0x110
[ 2781.070862][ C0] ? tick_sched_handle+0x67/0x130
[ 2781.071122][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 2781.071410][ C0] ? __run_hrtimer+0x1c0/0x710
[ 2781.071656][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 2781.071975][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 2781.072250][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 2781.072540][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 2781.072809][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 2781.073125][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 2781.073389][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 2781.073703][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 2781.074006][ C0]
[ 2781.074156][ C0]
[ 2781.074308][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2781.074628][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2781.074929][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2781.075228][ C0] ? kasan_report+0xd2/0xf0
[ 2781.075462][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 2781.075763][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 2781.076051][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 2781.076368][ C0] ? __pfx___schedule+0x10/0x10
[ 2781.076620][ C0] do_raw_spin_lock+0x1ec/0x270
[ 2781.076873][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2781.077147][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 2781.077437][ C0] ? lock_acquire+0x1c1/0x220
[ 2781.077677][ C0] ? __mutex_lock+0x33e/0xb10
[ 2781.077920][ C0] ? __mutex_lock+0x811/0xb10
[ 2781.078162][ C0] _raw_spin_lock+0x67/0x80
[ 2781.078394][ C0] __mutex_lock+0x33e/0xb10
[ 2781.078628][ C0] ? __lock_release+0x40f/0x880
[ 2781.078881][ C0] ? __pfx___lock_release+0x10/0x10
[ 2781.079147][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2781.079449][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 2781.079709][ C0] ? __pfx___up_read+0x10/0x10
[ 2781.079954][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 2781.080226][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 2781.080500][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 2781.080792][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 2781.081092][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 2781.081381][ C0] __tcf_action_put+0x3d/0xf0
[ 2781.081624][ C0] tcf_action_destroy+0x43/0x130
[ 2781.081879][ C0] tcf_exts_destroy+0x3c/0xb0
[ 2781.082125][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 2781.082449][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 2781.082725][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 2781.083029][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 2781.083328][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 2781.083620][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 2781.083934][ C0] ? __lock_release+0x40f/0x880
[ 2781.084185][ C0] ? __mutex_lock+0x26e/0xb10
[ 2781.084429][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 2781.084714][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 2781.085026][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 2781.085335][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 2781.085589][ C0] tcf_chain_flush+0x1e0/0x320
[ 2781.085835][ C0] __tcf_block_put+0x113/0x270
[ 2781.086082][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 2781.086392][ C0] __qdisc_destroy+0xee/0x340
[ 2781.086635][ C0] dev_shutdown+0x129/0x350
[ 2781.086868][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 2781.087194][ C0] ? rtnl_is_locked+0x15/0x20
[ 2781.087439][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 2781.087758][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 2781.088101][ C0] ? mutex_is_locked+0x17/0x50
[ 2781.088348][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 2781.088654][ C0] cleanup_net+0x4cf/0xb60
[ 2781.088882][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2781.089172][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 2781.089430][ C0] ? lock_acquire+0x1c1/0x220
[ 2781.089670][ C0] ? process_one_work+0x714/0x1310
[ 2781.089936][ C0] process_one_work+0x78c/0x1310
[ 2781.090191][ C0] ? hlock_class+0x4e/0x130
[ 2781.090425][ C0] ? __pfx_process_one_work+0x10/0x10
[ 2781.090700][ C0] ? assign_work+0x16c/0x240
[ 2781.090940][ C0] worker_thread+0x73d/0x1010
[ 2781.091183][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 2781.091519][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2781.091781][ C0] ? __pfx_worker_thread+0x10/0x10
[ 2781.092048][ C0] kthread+0x28f/0x360
[ 2781.092256][ C0] ? __pfx_kthread+0x10/0x10
[ 2781.092496][ C0] ret_from_fork+0x31/0x70
[ 2781.092725][ C0] ? __pfx_kthread+0x10/0x10
[ 2781.092960][ C0] ret_from_fork_asm+0x1b/0x30
[ 2781.093211][ C0]
[ 2808.555810][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 2086s! [kworker/u8:1:71]
[ 2808.556265][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls
[ 2808.556975][ C0] irq event stamp: 164379
[ 2808.557194][ C0] hardirqs last enabled at (164379): [] irqentry_exit+0x3b/0x90
[ 2808.557675][ C0] hardirqs last disabled at (164378): [] __do_softirq+0x670/0x7ff
[ 2808.558150][ C0] softirqs last enabled at (164328): [