make -C tools/testing/selftests TARGETS=net TEST_PROGS=test_bridge_neigh_ssuppress.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_neigh_suppress.sh
[ 5501.962271][T18809] eth0: renamed from veth0
[ 5502.114766][T18814] swp1: renamed from veth1
[ 5502.586049][T18826] veth0: renamed from veth1
[ 5502.927525][T18828] eth0: renamed from veth0
[ 5503.140624][T18831] swp1: renamed from veth1
[ 5506.975424][T18855] br0: port 1(swp1) entered blocking state
[ 5506.976100][T18855] br0: port 1(swp1) entered disabled state
[ 5506.976447][T18855] swp1: entered allmulticast mode
[ 5506.977807][T18855] swp1: entered promiscuous mode
[ 5506.984067][T14069] br0: port 1(swp1) entered blocking state
[ 5506.984460][T14069] br0: port 1(swp1) entered forwarding state
[ 5507.640506][T18858] br0: port 2(vx0) entered blocking state
[ 5507.640844][T18858] br0: port 2(vx0) entered disabled state
[ 5507.641194][T18858] vx0: entered allmulticast mode
[ 5507.643495][T18858] vx0: entered promiscuous mode
[ 5507.650954][T18858] br0: port 2(vx0) entered blocking state
[ 5507.651291][T18858] br0: port 2(vx0) entered forwarding state
[ 5510.368713][T18877] br0: port 1(swp1) entered blocking state
[ 5510.369057][T18877] br0: port 1(swp1) entered disabled state
[ 5510.369388][T18877] swp1: entered allmulticast mode
[ 5510.371224][T18877] swp1: entered promiscuous mode
[ 5510.374909][T17229] br0: port 1(swp1) entered blocking state
[ 5510.375230][T17229] br0: port 1(swp1) entered forwarding state
[ 5510.858686][T18880] br0: port 2(vx0) entered blocking state
[ 5510.859018][T18880] br0: port 2(vx0) entered disabled state
[ 5510.859341][T18880] vx0: entered allmulticast mode
[ 5510.860695][T18880] vx0: entered promiscuous mode
[ 5510.861281][T18880] br0: port 2(vx0) entered blocking state
[ 5510.861602][T18880] br0: port 2(vx0) entered forwarding state
#
# Per-port ARP suppression - VLAN 10
# ----------------------------------
[ 5517.834105][T18896] GACT probability NOT on
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: "neigh_suppress" is on [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: FDB entry installation [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: Neighbor entry installation [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 down [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 up [ OK ]
# TEST: "neigh_suppress" is off [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 down [ OK ]
# TEST: arping [ OK ]
# TEST: ARP suppression [ OK ]
#
# Per-port ARP suppression - VLAN 20
# ----------------------------------
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: "neigh_suppress" is on [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: FDB entry installation [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: Neighbor entry installation [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 down [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 up [ OK ]
# TEST: "neigh_suppress" is off [ OK ]
# TEST: arping [FAIL]
# TEST: ARP suppression [ OK ]
# TEST: H2 down [ OK ]
# TEST: arping [ OK ]
# TEST: ARP suppression [ OK ]
[ 5544.791801][ T11] br0: port 1(swp1) entered disabled state
[ 5544.810174][ T11] swp1 (unregistering): left allmulticast mode
[ 5544.810588][ T11] swp1 (unregistering): left promiscuous mode
[ 5544.810948][ T11] br0: port 1(swp1) entered disabled state
[ 5545.199649][ T11] br0: port 1(swp1) entered disabled state
[ 5545.209157][ T11] swp1 (unregistering): left allmulticast mode
[ 5545.209554][ T11] swp1 (unregistering): left promiscuous mode
[ 5545.209904][ T11] br0: port 1(swp1) entered disabled state
[ 5545.629091][ T11] vx0: left allmulticast mode
[ 5545.629380][ T11] vx0: left promiscuous mode
[ 5545.629791][ T11] br0: port 2(vx0) entered disabled state
[ 5545.678251][ T11] ==================================================================
[ 5545.678716][ T11] BUG: KASAN: slab-use-after-free in __mutex_lock+0x922/0xb10
[ 5545.679108][ T11] Read of size 8 at addr ffff88800ada8868 by task kworker/u8:0/11
[ 5545.679511][ T11]
[ 5545.679641][ T11] CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1
[ 5545.680044][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5545.680670][ T11] Workqueue: netns cleanup_net
[ 5545.680921][ T11] Call Trace:
[ 5545.681092][ T11]
[ 5545.681248][ T11] dump_stack_lvl+0x64/0xb0
[ 5545.681488][ T11] print_address_description.constprop.0+0x2c/0x3b0
[ 5545.681829][ T11] ? __mutex_lock+0x922/0xb10
[ 5545.682069][ T11] print_report+0xb5/0x270
[ 5545.682303][ T11] ? kasan_addr_to_slab+0x4e/0x90
[ 5545.682579][ T11] kasan_report+0xbe/0xf0
[ 5545.682802][ T11] ? __mutex_lock+0x922/0xb10
[ 5545.683046][ T11] __mutex_lock+0x922/0xb10
[ 5545.683280][ T11] ? __lock_release+0x40f/0x880
[ 5545.683538][ T11] ? __pfx___lock_release+0x10/0x10
[ 5545.683804][ T11] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5545.684101][ T11] ? __pfx___mutex_lock+0x10/0x10
[ 5545.684359][ T11] ? __pfx___up_read+0x10/0x10
[ 5545.684611][ T11] ? refcount_dec_not_one+0x6b/0x180
[ 5545.684881][ T11] ? tc_setup_cb_destroy+0x22b/0x300
[ 5545.685153][ T11] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5545.685455][ T11] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5545.685754][ T11] refcount_dec_and_mutex_lock+0x35/0x90
[ 5545.686042][ T11] __tcf_action_put+0x3d/0xf0
[ 5545.686286][ T11] tcf_action_destroy+0x43/0x130
[ 5545.686548][ T11] tcf_exts_destroy+0x3c/0xb0
[ 5545.686789][ T11] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5545.687110][ T11] __fl_put+0x21a/0x290 [cls_flower]
[ 5545.687390][ T11] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5545.687701][ T11] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5545.688001][ T11] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5545.688291][ T11] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5545.688612][ T11] ? __lock_release+0x40f/0x880
[ 5545.688863][ T11] ? __mutex_lock+0x26e/0xb10
[ 5545.689105][ T11] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5545.689392][ T11] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5545.689709][ T11] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5545.690015][ T11] tcf_proto_destroy+0x6e/0x2e0
[ 5545.690266][ T11] tcf_chain_flush+0x1e0/0x320
[ 5545.690521][ T11] __tcf_block_put+0x113/0x270
[ 5545.690769][ T11] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5545.691076][ T11] __qdisc_destroy+0xee/0x340
[ 5545.691318][ T11] dev_shutdown+0x129/0x350
[ 5545.691563][ T11] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5545.691888][ T11] ? rtnl_is_locked+0x15/0x20
[ 5545.692133][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5545.692465][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5545.692809][ T11] ? mutex_is_locked+0x17/0x50
[ 5545.693055][ T11] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5545.693358][ T11] cleanup_net+0x4cf/0xb60
[ 5545.693594][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5545.693881][ T11] ? __pfx_cleanup_net+0x10/0x10
[ 5545.694136][ T11] ? lock_acquire+0x1c1/0x220
[ 5545.694377][ T11] ? process_one_work+0x714/0x1310
[ 5545.694647][ T11] process_one_work+0x78c/0x1310
[ 5545.694901][ T11] ? hlock_class+0x4e/0x130
[ 5545.695135][ T11] ? __pfx_process_one_work+0x10/0x10
[ 5545.695412][ T11] ? assign_work+0x16c/0x240
[ 5545.695659][ T11] worker_thread+0x73d/0x1010
[ 5545.695902][ T11] ? __pfx_worker_thread+0x10/0x10
[ 5545.696166][ T11] kthread+0x28f/0x360
[ 5545.696377][ T11] ? __pfx_kthread+0x10/0x10
[ 5545.696617][ T11] ret_from_fork+0x31/0x70
[ 5545.696848][ T11] ? __pfx_kthread+0x10/0x10
[ 5545.697087][ T11] ret_from_fork_asm+0x1b/0x30
[ 5545.697341][ T11]
[ 5545.697505][ T11]
[ 5545.697628][ T11] Allocated by task 18896:
[ 5545.697854][ T11] kasan_save_stack+0x24/0x50
[ 5545.698094][ T11] kasan_save_track+0x14/0x30
[ 5545.698335][ T11] __kasan_kmalloc+0x7f/0x90
[ 5545.698577][ T11] tc_action_net_init+0x4d/0x250
[ 5545.698831][ T11] ops_init+0x9b/0x560
[ 5545.699040][ T11] register_pernet_operations+0x2db/0x710
[ 5545.699330][ T11] register_pernet_subsys+0x29/0x50
[ 5545.699602][ T11] tcf_register_action+0xa3/0x600
[ 5545.699860][ T11] do_one_initcall+0xc8/0x3f0
[ 5545.700101][ T11] do_init_module+0x233/0x740
[ 5545.700345][ T11] load_module+0x16b5/0x2350
[ 5545.700590][ T11] init_module_from_file+0xd2/0x130
[ 5545.700857][ T11] idempotent_init_module+0x33a/0x610
[ 5545.701131][ T11] __x64_sys_finit_module+0xbe/0x130
[ 5545.701402][ T11] do_syscall_64+0xc9/0x1e0
[ 5545.701643][ T11] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 5545.701947][ T11]
[ 5545.702069][ T11] Freed by task 11:
[ 5545.702265][ T11] kasan_save_stack+0x24/0x50
[ 5545.702517][ T11] kasan_save_track+0x14/0x30
[ 5545.702758][ T11] kasan_save_free_info+0x3f/0x60
[ 5545.703018][ T11] __kasan_slab_free+0xfc/0x1c0
[ 5545.703267][ T11] kfree+0xf2/0x2d0
[ 5545.703470][ T11] tc_action_net_exit_batch_rtnl+0x292/0x4e0
[ 5545.703777][ T11] cleanup_net+0x496/0xb60
[ 5545.704003][ T11] process_one_work+0x78c/0x1310
[ 5545.704256][ T11] worker_thread+0x73d/0x1010
[ 5545.704502][ T11] kthread+0x28f/0x360
[ 5545.704711][ T11] ret_from_fork+0x31/0x70
[ 5545.704939][ T11] ret_from_fork_asm+0x1b/0x30
[ 5545.705185][ T11]
[ 5545.705307][ T11] The buggy address belongs to the object at ffff88800ada8800
[ 5545.705307][ T11] which belongs to the cache kmalloc-512 of size 512
[ 5545.706013][ T11] The buggy address is located 104 bytes inside of
[ 5545.706013][ T11] freed 512-byte region [ffff88800ada8800, ffff88800ada8a00)
[ 5545.706710][ T11]
[ 5545.706833][ T11] The buggy address belongs to the physical page:
[ 5545.707159][ T11] page:ffffea00002b6a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88800ada9400 pfn:0xada8
[ 5545.707739][ T11] head:ffffea00002b6a00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 5545.708189][ T11] flags: 0x80000000000a40(workingset|slab|head|node=0|zone=1)
[ 5545.708575][ T11] page_type: 0xffffffff()
[ 5545.708800][ T11] raw: 0080000000000a40 ffff8880010431c0 ffffea00004b8810 ffffea00002bfc10
[ 5545.709233][ T11] raw: ffff88800ada9400 0000000000150005 00000001ffffffff 0000000000000000
[ 5545.709674][ T11] page dumped because: kasan: bad access detected
[ 5545.709997][ T11]
[ 5545.710120][ T11] Memory state around the buggy address:
[ 5545.710405][ T11] ffff88800ada8700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 5545.710826][ T11] ffff88800ada8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 5545.711232][ T11] >ffff88800ada8800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 5545.711642][ T11] ^
[ 5545.712022][ T11] ffff88800ada8880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 5545.712441][ T11] ffff88800ada8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 5545.712848][ T11] ==================================================================
[ 5545.713387][ T11] Disabling lock debugging due to kernel taint
[ 5571.714484][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5571.714865][ C0] rcu: 0-....: (26000 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=6495
[ 5571.715423][ C0] rcu: (t=26001 jiffies g=2451281 q=5319 ncpus=4)
[ 5571.715765][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B 6.8.0-rc2-virtme #1
[ 5571.716242][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5571.716871][ C0] Workqueue: netns cleanup_net
[ 5571.717124][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 5571.717390][ 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
[ 5571.718382][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5571.718700][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5571.719105][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5571.719512][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5571.719918][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5571.720324][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5571.720734][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5571.721188][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5571.721533][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5571.721938][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5571.722350][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5571.722759][ C0] PKRU: 55555554
[ 5571.722942][ C0] Call Trace:
[ 5571.723117][ C0]
[ 5571.723268][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5571.723551][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5571.723807][ C0] ? check_cpu_stall+0x284/0x500
[ 5571.724061][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5571.724352][ C0] ? rcu_pending+0x92/0x360
[ 5571.724596][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5571.724870][ C0] ? update_process_times+0xb9/0x110
[ 5571.725142][ C0] ? tick_sched_handle+0x67/0x130
[ 5571.725402][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5571.725701][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5571.725947][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5571.726263][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5571.726545][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5571.726835][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5571.727103][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5571.727414][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5571.727684][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5571.727997][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5571.728297][ C0]
[ 5571.728456][ C0]
[ 5571.728607][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5571.728926][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5571.729228][ C0] ? kasan_report+0x19/0xf0
[ 5571.729474][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5571.729763][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5571.730081][ C0] ? __pfx___schedule+0x10/0x10
[ 5571.730334][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5571.730593][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5571.730868][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5571.731155][ C0] ? lock_acquire+0x1c1/0x220
[ 5571.731397][ C0] ? __mutex_lock+0x33e/0xb10
[ 5571.731646][ C0] ? __mutex_lock+0x811/0xb10
[ 5571.731890][ C0] _raw_spin_lock+0x67/0x80
[ 5571.732123][ C0] __mutex_lock+0x33e/0xb10
[ 5571.732366][ C0] ? __lock_release+0x40f/0x880
[ 5571.732623][ C0] ? __pfx___lock_release+0x10/0x10
[ 5571.732891][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5571.733189][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5571.733457][ C0] ? __pfx___up_read+0x10/0x10
[ 5571.733706][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5571.733976][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5571.734250][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5571.734553][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5571.734853][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5571.735143][ C0] __tcf_action_put+0x3d/0xf0
[ 5571.735388][ C0] tcf_action_destroy+0x43/0x130
[ 5571.735649][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5571.735891][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5571.736215][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5571.736501][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5571.736804][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5571.737104][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5571.737393][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5571.737717][ C0] ? __lock_release+0x40f/0x880
[ 5571.737969][ C0] ? __mutex_lock+0x26e/0xb10
[ 5571.738213][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5571.738505][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5571.738818][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5571.739124][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5571.739377][ C0] tcf_chain_flush+0x1e0/0x320
[ 5571.739631][ C0] __tcf_block_put+0x113/0x270
[ 5571.739880][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5571.740188][ C0] __qdisc_destroy+0xee/0x340
[ 5571.740432][ C0] dev_shutdown+0x129/0x350
[ 5571.740671][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5571.740997][ C0] ? rtnl_is_locked+0x15/0x20
[ 5571.741241][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5571.741569][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5571.741913][ C0] ? mutex_is_locked+0x17/0x50
[ 5571.742159][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5571.742475][ C0] cleanup_net+0x4cf/0xb60
[ 5571.742707][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5571.742994][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5571.743249][ C0] ? lock_acquire+0x1c1/0x220
[ 5571.743498][ C0] ? process_one_work+0x714/0x1310
[ 5571.743766][ C0] process_one_work+0x78c/0x1310
[ 5571.744022][ C0] ? hlock_class+0x4e/0x130
[ 5571.744256][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5571.744539][ C0] ? assign_work+0x16c/0x240
[ 5571.744779][ C0] worker_thread+0x73d/0x1010
[ 5571.745022][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5571.745284][ C0] kthread+0x28f/0x360
[ 5571.745504][ C0] ? __pfx_kthread+0x10/0x10
[ 5571.745742][ C0] ret_from_fork+0x31/0x70
[ 5571.745973][ C0] ? __pfx_kthread+0x10/0x10
[ 5571.746212][ C0] ret_from_fork_asm+0x1b/0x30
[ 5571.746468][ C0]
[ 5580.140507][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 34155 jiffies s: 77393 root: 0x1/.
[ 5580.141164][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 5580.141548][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 5580.141837][ C0] NMI backtrace for cpu 0
[ 5580.141843][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B 6.8.0-rc2-virtme #1
[ 5580.141847][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5580.141849][ C0] Workqueue: netns cleanup_net
[ 5580.141857][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 5580.141862][ 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
[ 5580.141865][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5580.141867][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 5580.141869][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5580.141870][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5580.141871][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 5580.141873][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 5580.141874][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5580.141876][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5580.141879][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5580.141881][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5580.141882][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5580.141883][ C0] PKRU: 55555554
[ 5580.141884][ C0] Call Trace:
[ 5580.141886][ C0]
[ 5580.141889][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 5580.141894][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 5580.141898][ C0] ? nmi_handle+0x153/0x420
[ 5580.141903][ C0] ? default_do_nmi+0x41/0x100
[ 5580.141907][ C0] ? exc_nmi+0xf3/0x120
[ 5580.141909][ C0] ? end_repeat_nmi+0xf/0x60
[ 5580.141912][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5580.141917][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5580.141921][ C0] ? kasan_report+0xd2/0xf0
[ 5580.141924][ C0] ? kasan_report+0xd2/0xf0
[ 5580.141927][ C0] ? kasan_report+0xd2/0xf0
[ 5580.141930][ C0]
[ 5580.141930][ C0]
[ 5580.141934][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5580.141938][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5580.141941][ C0] ? __pfx___schedule+0x10/0x10
[ 5580.141946][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5580.141952][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5580.141954][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5580.141957][ C0] ? lock_acquire+0x1c1/0x220
[ 5580.141960][ C0] ? __mutex_lock+0x33e/0xb10
[ 5580.141964][ C0] ? __mutex_lock+0x811/0xb10
[ 5580.141966][ C0] _raw_spin_lock+0x67/0x80
[ 5580.141969][ C0] __mutex_lock+0x33e/0xb10
[ 5580.141972][ C0] ? __lock_release+0x40f/0x880
[ 5580.141975][ C0] ? __pfx___lock_release+0x10/0x10
[ 5580.141977][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5580.141982][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5580.141985][ C0] ? __pfx___up_read+0x10/0x10
[ 5580.141988][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5580.141991][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5580.141995][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5580.142000][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5580.142003][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5580.142007][ C0] __tcf_action_put+0x3d/0xf0
[ 5580.142011][ C0] tcf_action_destroy+0x43/0x130
[ 5580.142014][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5580.142017][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5580.142027][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5580.142035][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5580.142043][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5580.142052][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5580.142061][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5580.142068][ C0] ? __lock_release+0x40f/0x880
[ 5580.142071][ C0] ? __mutex_lock+0x26e/0xb10
[ 5580.142075][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5580.142084][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5580.142092][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5580.142096][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5580.142101][ C0] tcf_chain_flush+0x1e0/0x320
[ 5580.142104][ C0] __tcf_block_put+0x113/0x270
[ 5580.142108][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5580.142116][ C0] __qdisc_destroy+0xee/0x340
[ 5580.142119][ C0] dev_shutdown+0x129/0x350
[ 5580.142123][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5580.142127][ C0] ? rtnl_is_locked+0x15/0x20
[ 5580.142131][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5580.142133][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5580.142136][ C0] ? mutex_is_locked+0x17/0x50
[ 5580.142139][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5580.142143][ C0] cleanup_net+0x4cf/0xb60
[ 5580.142146][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5580.142149][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5580.142152][ C0] ? lock_acquire+0x1c1/0x220
[ 5580.142154][ C0] ? process_one_work+0x714/0x1310
[ 5580.142158][ C0] process_one_work+0x78c/0x1310
[ 5580.142162][ C0] ? hlock_class+0x4e/0x130
[ 5580.142166][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5580.142170][ C0] ? assign_work+0x16c/0x240
[ 5580.142173][ C0] worker_thread+0x73d/0x1010
[ 5580.142178][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5580.142181][ C0] kthread+0x28f/0x360
[ 5580.142183][ C0] ? __pfx_kthread+0x10/0x10
[ 5580.142186][ C0] ret_from_fork+0x31/0x70
[ 5580.142188][ C0] ? __pfx_kthread+0x10/0x10
[ 5580.142190][ C0] ret_from_fork_asm+0x1b/0x30
[ 5580.142198][ C0]
[ 5604.597587][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 56s! [kworker/u8:0:11]
[ 5604.598053][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5604.598994][ C0] irq event stamp: 6208419
[ 5604.599225][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5604.599713][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5604.600191][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5604.600677][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5604.601149][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B 6.8.0-rc2-virtme #1
[ 5604.601631][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5604.602256][ C0] Workqueue: netns cleanup_net
[ 5604.602513][ C0] RIP: 0010:kasan_report+0x6/0xf0
[ 5604.602774][ C0] Code: 83 c4 68 5b 5d 41 5c 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
[ 5604.603768][ C0] RSP: 0018:ffffc900000bf3b0 EFLAGS: 00000213
[ 5604.604080][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 5604.604494][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5604.604898][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 5604.605299][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5604.605709][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5604.606115][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5604.606573][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5604.606909][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5604.607314][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5604.607723][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5604.608127][ C0] PKRU: 55555554
[ 5604.608310][ C0] Call Trace:
[ 5604.608490][ C0]
[ 5604.608645][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5604.608911][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5604.609158][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5604.609444][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5604.609720][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5604.610014][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5604.610283][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5604.610597][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5604.610864][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5604.611176][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5604.611483][ C0]
[ 5604.611635][ C0]
[ 5604.611791][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5604.612118][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5604.612410][ C0] ? kasan_report+0x6/0xf0
[ 5604.612646][ C0] kasan_check_range+0x39/0x1c0
[ 5604.612899][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 5604.613184][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5604.613510][ C0] ? __pfx___schedule+0x10/0x10
[ 5604.613764][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5604.614017][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5604.614293][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5604.614586][ C0] ? lock_acquire+0x1c1/0x220
[ 5604.614829][ C0] ? __mutex_lock+0x33e/0xb10
[ 5604.615074][ C0] ? __mutex_lock+0x811/0xb10
[ 5604.615315][ C0] _raw_spin_lock+0x67/0x80
[ 5604.615556][ C0] __mutex_lock+0x33e/0xb10
[ 5604.615791][ C0] ? __lock_release+0x40f/0x880
[ 5604.616043][ C0] ? __pfx___lock_release+0x10/0x10
[ 5604.616310][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5604.616619][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5604.616878][ C0] ? __pfx___up_read+0x10/0x10
[ 5604.617125][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5604.617395][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5604.617678][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5604.617977][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5604.618278][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5604.618572][ C0] __tcf_action_put+0x3d/0xf0
[ 5604.618817][ C0] tcf_action_destroy+0x43/0x130
[ 5604.619073][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5604.619317][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5604.619647][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5604.619924][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5604.620228][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5604.620531][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5604.620821][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5604.621137][ C0] ? __lock_release+0x40f/0x880
[ 5604.621388][ C0] ? __mutex_lock+0x26e/0xb10
[ 5604.621639][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5604.621928][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5604.622249][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5604.622564][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5604.622815][ C0] tcf_chain_flush+0x1e0/0x320
[ 5604.623061][ C0] __tcf_block_put+0x113/0x270
[ 5604.623310][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5604.623625][ C0] __qdisc_destroy+0xee/0x340
[ 5604.623869][ C0] dev_shutdown+0x129/0x350
[ 5604.624103][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5604.624430][ C0] ? rtnl_is_locked+0x15/0x20
[ 5604.624679][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5604.624999][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5604.625344][ C0] ? mutex_is_locked+0x17/0x50
[ 5604.625597][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5604.625904][ C0] cleanup_net+0x4cf/0xb60
[ 5604.626132][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5604.626422][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5604.626683][ C0] ? lock_acquire+0x1c1/0x220
[ 5604.626922][ C0] ? process_one_work+0x714/0x1310
[ 5604.627188][ C0] process_one_work+0x78c/0x1310
[ 5604.627451][ C0] ? hlock_class+0x4e/0x130
[ 5604.627687][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5604.627964][ C0] ? assign_work+0x16c/0x240
[ 5604.628203][ C0] worker_thread+0x73d/0x1010
[ 5604.628454][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5604.628717][ C0] kthread+0x28f/0x360
[ 5604.628928][ C0] ? __pfx_kthread+0x10/0x10
[ 5604.629165][ C0] ret_from_fork+0x31/0x70
[ 5604.629393][ C0] ? __pfx_kthread+0x10/0x10
[ 5604.629639][ C0] ret_from_fork_asm+0x1b/0x30
[ 5604.629891][ C0]
[ 5632.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 82s! [kworker/u8:0:11]
[ 5632.598023][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5632.598961][ C0] irq event stamp: 6208419
[ 5632.599188][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5632.599677][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5632.600159][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5632.600646][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5632.601119][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5632.601604][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5632.602234][ C0] Workqueue: netns cleanup_net
[ 5632.602493][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 5632.602759][ 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
[ 5632.603748][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5632.604059][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5632.604470][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5632.604873][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5632.605276][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5632.605684][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5632.606089][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5632.606549][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5632.606886][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5632.607294][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5632.607704][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5632.608109][ C0] PKRU: 55555554
[ 5632.608294][ C0] Call Trace:
[ 5632.608474][ C0]
[ 5632.608627][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5632.608894][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5632.609141][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5632.609428][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5632.609709][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5632.610002][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5632.610272][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5632.610586][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5632.610853][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5632.611164][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5632.611471][ C0]
[ 5632.611622][ C0]
[ 5632.611777][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5632.612105][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5632.612404][ C0] ? kasan_report+0x19/0xf0
[ 5632.612648][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5632.612937][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5632.613255][ C0] ? __pfx___schedule+0x10/0x10
[ 5632.613517][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5632.613771][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5632.614045][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5632.614334][ C0] ? lock_acquire+0x1c1/0x220
[ 5632.614582][ C0] ? __mutex_lock+0x33e/0xb10
[ 5632.614827][ C0] ? __mutex_lock+0x811/0xb10
[ 5632.615070][ C0] _raw_spin_lock+0x67/0x80
[ 5632.615305][ C0] __mutex_lock+0x33e/0xb10
[ 5632.615545][ C0] ? __lock_release+0x40f/0x880
[ 5632.615797][ C0] ? __pfx___lock_release+0x10/0x10
[ 5632.616064][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5632.616368][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5632.616633][ C0] ? __pfx___up_read+0x10/0x10
[ 5632.616881][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5632.617152][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5632.617424][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5632.617726][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5632.618026][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5632.618316][ C0] __tcf_action_put+0x3d/0xf0
[ 5632.618565][ C0] tcf_action_destroy+0x43/0x130
[ 5632.618820][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5632.619062][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5632.619386][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5632.619668][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5632.619974][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5632.620272][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5632.620568][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5632.620882][ C0] ? __lock_release+0x40f/0x880
[ 5632.621134][ C0] ? __mutex_lock+0x26e/0xb10
[ 5632.621377][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5632.621674][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5632.621993][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5632.622302][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5632.622560][ C0] tcf_chain_flush+0x1e0/0x320
[ 5632.622807][ C0] __tcf_block_put+0x113/0x270
[ 5632.623054][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5632.623362][ C0] __qdisc_destroy+0xee/0x340
[ 5632.623611][ C0] dev_shutdown+0x129/0x350
[ 5632.623844][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5632.624168][ C0] ? rtnl_is_locked+0x15/0x20
[ 5632.624412][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5632.624737][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5632.625080][ C0] ? mutex_is_locked+0x17/0x50
[ 5632.625327][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5632.625641][ C0] cleanup_net+0x4cf/0xb60
[ 5632.625870][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5632.626163][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5632.626418][ C0] ? lock_acquire+0x1c1/0x220
[ 5632.626665][ C0] ? process_one_work+0x714/0x1310
[ 5632.626930][ C0] process_one_work+0x78c/0x1310
[ 5632.627185][ C0] ? hlock_class+0x4e/0x130
[ 5632.627419][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5632.627701][ C0] ? assign_work+0x16c/0x240
[ 5632.627940][ C0] worker_thread+0x73d/0x1010
[ 5632.628184][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5632.628452][ C0] kthread+0x28f/0x360
[ 5632.628663][ C0] ? __pfx_kthread+0x10/0x10
[ 5632.628901][ C0] ret_from_fork+0x31/0x70
[ 5632.629130][ C0] ? __pfx_kthread+0x10/0x10
[ 5632.629369][ C0] ret_from_fork_asm+0x1b/0x30
[ 5632.629629][ C0]
[ 5649.746483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5649.746861][ C0] rcu: 0-....: (103913 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=25996
[ 5649.747431][ C0] rcu: (t=104033 jiffies g=2451281 q=5397 ncpus=4)
[ 5649.747775][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5649.748256][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5649.748883][ C0] Workqueue: netns cleanup_net
[ 5649.749136][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 5649.749403][ 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
[ 5649.750387][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5649.750705][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 5649.751107][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5649.751515][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5649.751929][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 5649.752334][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 5649.752744][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5649.753198][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5649.753541][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5649.753948][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5649.754351][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5649.754760][ C0] PKRU: 55555554
[ 5649.754943][ C0] Call Trace:
[ 5649.755117][ C0]
[ 5649.755267][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5649.755548][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5649.755805][ C0] ? check_cpu_stall+0x284/0x500
[ 5649.756060][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5649.756352][ C0] ? rcu_pending+0x92/0x360
[ 5649.756593][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5649.756864][ C0] ? update_process_times+0xb9/0x110
[ 5649.757139][ C0] ? tick_sched_handle+0x67/0x130
[ 5649.757398][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5649.757693][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5649.757938][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5649.758255][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5649.758534][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5649.758826][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5649.759094][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5649.759401][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5649.759672][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5649.759988][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5649.760287][ C0]
[ 5649.760446][ C0]
[ 5649.760600][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5649.760917][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5649.761219][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5649.761525][ C0] ? kasan_report+0xd2/0xf0
[ 5649.761760][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5649.762058][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5649.762373][ C0] ? __pfx___schedule+0x10/0x10
[ 5649.762630][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5649.762881][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5649.763159][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5649.763454][ C0] ? lock_acquire+0x1c1/0x220
[ 5649.763697][ C0] ? __mutex_lock+0x33e/0xb10
[ 5649.763940][ C0] ? __mutex_lock+0x811/0xb10
[ 5649.764179][ C0] _raw_spin_lock+0x67/0x80
[ 5649.764414][ C0] __mutex_lock+0x33e/0xb10
[ 5649.764656][ C0] ? __lock_release+0x40f/0x880
[ 5649.764906][ C0] ? __pfx___lock_release+0x10/0x10
[ 5649.765174][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5649.765483][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5649.765743][ C0] ? __pfx___up_read+0x10/0x10
[ 5649.765991][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5649.766262][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5649.766539][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5649.766838][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5649.767136][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5649.767427][ C0] __tcf_action_put+0x3d/0xf0
[ 5649.767676][ C0] tcf_action_destroy+0x43/0x130
[ 5649.767930][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5649.768170][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5649.768501][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5649.768779][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5649.769083][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5649.769380][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5649.769675][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5649.769994][ C0] ? __lock_release+0x40f/0x880
[ 5649.770245][ C0] ? __mutex_lock+0x26e/0xb10
[ 5649.770492][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5649.770781][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5649.771092][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5649.771400][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5649.771658][ C0] tcf_chain_flush+0x1e0/0x320
[ 5649.771912][ C0] __tcf_block_put+0x113/0x270
[ 5649.772161][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5649.772476][ C0] __qdisc_destroy+0xee/0x340
[ 5649.772717][ C0] dev_shutdown+0x129/0x350
[ 5649.772952][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5649.773276][ C0] ? rtnl_is_locked+0x15/0x20
[ 5649.773524][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5649.773843][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5649.774193][ C0] ? mutex_is_locked+0x17/0x50
[ 5649.774445][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5649.774748][ C0] cleanup_net+0x4cf/0xb60
[ 5649.774981][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5649.775268][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5649.775530][ C0] ? lock_acquire+0x1c1/0x220
[ 5649.775773][ C0] ? process_one_work+0x714/0x1310
[ 5649.776038][ C0] process_one_work+0x78c/0x1310
[ 5649.776294][ C0] ? hlock_class+0x4e/0x130
[ 5649.776538][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5649.776814][ C0] ? assign_work+0x16c/0x240
[ 5649.777052][ C0] worker_thread+0x73d/0x1010
[ 5649.777294][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5649.777560][ C0] kthread+0x28f/0x360
[ 5649.777773][ C0] ? __pfx_kthread+0x10/0x10
[ 5649.778008][ C0] ret_from_fork+0x31/0x70
[ 5649.778239][ C0] ? __pfx_kthread+0x10/0x10
[ 5649.778481][ C0] ret_from_fork_asm+0x1b/0x30
[ 5649.778731][ C0]
[ 5676.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/u8:0:11]
[ 5676.598030][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5676.598966][ C0] irq event stamp: 6208419
[ 5676.599194][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5676.599684][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5676.600165][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5676.600648][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5676.601120][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5676.601604][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5676.602227][ C0] Workqueue: netns cleanup_net
[ 5676.602485][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5676.602812][ 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
[ 5676.603802][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5676.604114][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5676.604523][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5676.604928][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5676.605332][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5676.605738][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5676.606140][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5676.606598][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5676.606936][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5676.607343][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5676.607753][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5676.608155][ C0] PKRU: 55555554
[ 5676.608340][ C0] Call Trace:
[ 5676.608521][ C0]
[ 5676.608677][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5676.608945][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5676.609191][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5676.609478][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5676.609754][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5676.610045][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5676.610314][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5676.610627][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5676.610895][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5676.611208][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5676.611517][ C0]
[ 5676.611668][ C0]
[ 5676.611829][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5676.612148][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5676.612457][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5676.612758][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5676.613074][ C0] ? __pfx___schedule+0x10/0x10
[ 5676.613325][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5676.613586][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5676.613863][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5676.614150][ C0] ? lock_acquire+0x1c1/0x220
[ 5676.614392][ C0] ? __mutex_lock+0x33e/0xb10
[ 5676.614644][ C0] ? __mutex_lock+0x811/0xb10
[ 5676.614884][ C0] _raw_spin_lock+0x67/0x80
[ 5676.615119][ C0] __mutex_lock+0x33e/0xb10
[ 5676.615354][ C0] ? __lock_release+0x40f/0x880
[ 5676.615612][ C0] ? __pfx___lock_release+0x10/0x10
[ 5676.615880][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5676.616179][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5676.616443][ C0] ? __pfx___up_read+0x10/0x10
[ 5676.616692][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5676.616963][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5676.617236][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5676.617540][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5676.617839][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5676.618129][ C0] __tcf_action_put+0x3d/0xf0
[ 5676.618374][ C0] tcf_action_destroy+0x43/0x130
[ 5676.618639][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5676.618879][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5676.619204][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5676.619491][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5676.619795][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5676.620095][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5676.620386][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5676.620707][ C0] ? __lock_release+0x40f/0x880
[ 5676.620960][ C0] ? __mutex_lock+0x26e/0xb10
[ 5676.621202][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5676.621501][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5676.621819][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5676.622130][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5676.622383][ C0] tcf_chain_flush+0x1e0/0x320
[ 5676.622637][ C0] __tcf_block_put+0x113/0x270
[ 5676.622885][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5676.623191][ C0] __qdisc_destroy+0xee/0x340
[ 5676.623442][ C0] dev_shutdown+0x129/0x350
[ 5676.623679][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5676.624003][ C0] ? rtnl_is_locked+0x15/0x20
[ 5676.624245][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5676.624570][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5676.624918][ C0] ? mutex_is_locked+0x17/0x50
[ 5676.625164][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5676.625474][ C0] cleanup_net+0x4cf/0xb60
[ 5676.625707][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5676.625994][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5676.626249][ C0] ? lock_acquire+0x1c1/0x220
[ 5676.626497][ C0] ? process_one_work+0x714/0x1310
[ 5676.626764][ C0] process_one_work+0x78c/0x1310
[ 5676.627020][ C0] ? hlock_class+0x4e/0x130
[ 5676.627257][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5676.627542][ C0] ? assign_work+0x16c/0x240
[ 5676.627781][ C0] worker_thread+0x73d/0x1010
[ 5676.628026][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5676.628290][ C0] kthread+0x28f/0x360
[ 5676.628510][ C0] ? __pfx_kthread+0x10/0x10
[ 5676.628747][ C0] ret_from_fork+0x31/0x70
[ 5676.628979][ C0] ? __pfx_kthread+0x10/0x10
[ 5676.629216][ C0] ret_from_fork_asm+0x1b/0x30
[ 5676.629473][ C0]
[ 5678.444557][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 132459 jiffies s: 77393 root: 0x1/.
[ 5678.445514][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 5678.446042][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 5678.446453][ C0] NMI backtrace for cpu 0
[ 5678.446460][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5678.446464][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5678.446467][ C0] Workqueue: netns cleanup_net
[ 5678.446473][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5678.446481][ 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
[ 5678.446483][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5678.446486][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5678.446488][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5678.446489][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5678.446490][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5678.446492][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5678.446494][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5678.446496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5678.446500][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5678.446501][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5678.446502][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5678.446503][ C0] PKRU: 55555554
[ 5678.446504][ C0] Call Trace:
[ 5678.446507][ C0]
[ 5678.446510][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 5678.446514][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 5678.446518][ C0] ? nmi_handle+0x153/0x420
[ 5678.446523][ C0] ? default_do_nmi+0x41/0x100
[ 5678.446527][ C0] ? exc_nmi+0xf3/0x120
[ 5678.446530][ C0] ? end_repeat_nmi+0xf/0x60
[ 5678.446534][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5678.446537][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5678.446540][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5678.446544][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5678.446547][ C0]
[ 5678.446548][ C0]
[ 5678.446549][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5678.446553][ C0] ? __pfx___schedule+0x10/0x10
[ 5678.446558][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5678.446564][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5678.446567][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5678.446570][ C0] ? lock_acquire+0x1c1/0x220
[ 5678.446572][ C0] ? __mutex_lock+0x33e/0xb10
[ 5678.446576][ C0] ? __mutex_lock+0x811/0xb10
[ 5678.446579][ C0] _raw_spin_lock+0x67/0x80
[ 5678.446582][ C0] __mutex_lock+0x33e/0xb10
[ 5678.446585][ C0] ? __lock_release+0x40f/0x880
[ 5678.446588][ C0] ? __pfx___lock_release+0x10/0x10
[ 5678.446591][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5678.446596][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5678.446599][ C0] ? __pfx___up_read+0x10/0x10
[ 5678.446603][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5678.446605][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5678.446609][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5678.446617][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5678.446620][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5678.446624][ C0] __tcf_action_put+0x3d/0xf0
[ 5678.446629][ C0] tcf_action_destroy+0x43/0x130
[ 5678.446633][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5678.446636][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5678.446647][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5678.446656][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5678.446664][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5678.446673][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5678.446682][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5678.446690][ C0] ? __lock_release+0x40f/0x880
[ 5678.446693][ C0] ? __mutex_lock+0x26e/0xb10
[ 5678.446697][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5678.446706][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5678.446714][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5678.446719][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5678.446723][ C0] tcf_chain_flush+0x1e0/0x320
[ 5678.446727][ C0] __tcf_block_put+0x113/0x270
[ 5678.446731][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5678.446739][ C0] __qdisc_destroy+0xee/0x340
[ 5678.446742][ C0] dev_shutdown+0x129/0x350
[ 5678.446746][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5678.446750][ C0] ? rtnl_is_locked+0x15/0x20
[ 5678.446754][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5678.446757][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5678.446760][ C0] ? mutex_is_locked+0x17/0x50
[ 5678.446762][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5678.446768][ C0] cleanup_net+0x4cf/0xb60
[ 5678.446771][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5678.446773][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5678.446777][ C0] ? lock_acquire+0x1c1/0x220
[ 5678.446779][ C0] ? process_one_work+0x714/0x1310
[ 5678.446783][ C0] process_one_work+0x78c/0x1310
[ 5678.446788][ C0] ? hlock_class+0x4e/0x130
[ 5678.446792][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5678.446796][ C0] ? assign_work+0x16c/0x240
[ 5678.446800][ C0] worker_thread+0x73d/0x1010
[ 5678.446805][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5678.446807][ C0] kthread+0x28f/0x360
[ 5678.446810][ C0] ? __pfx_kthread+0x10/0x10
[ 5678.446813][ C0] ret_from_fork+0x31/0x70
[ 5678.446815][ C0] ? __pfx_kthread+0x10/0x10
[ 5678.446817][ C0] ret_from_fork_asm+0x1b/0x30
[ 5678.446824][ C0]
[ 5704.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 149s! [kworker/u8:0:11]
[ 5704.598065][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5704.599037][ C0] irq event stamp: 6208419
[ 5704.599283][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5704.599774][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5704.600279][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5704.600769][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5704.601269][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5704.601766][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5704.602417][ C0] Workqueue: netns cleanup_net
[ 5704.602676][ C0] RIP: 0010:kasan_report+0xda/0xf0
[ 5704.602954][ 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
[ 5704.603971][ C0] RSP: 0018:ffffc900000bf390 EFLAGS: 00000286
[ 5704.604300][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 5704.604711][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5704.605134][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5704.605549][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 5704.605968][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 5704.606396][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5704.606859][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5704.607222][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5704.607640][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5704.608059][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5704.608489][ C0] PKRU: 55555554
[ 5704.608675][ C0] Call Trace:
[ 5704.608850][ C0]
[ 5704.609011][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5704.609297][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5704.609553][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5704.609839][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5704.610133][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5704.610446][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5704.610718][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5704.611039][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5704.611324][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5704.611655][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5704.611968][ C0]
[ 5704.612133][ C0]
[ 5704.612291][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5704.612620][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5704.612923][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5704.613236][ C0] ? kasan_report+0xda/0xf0
[ 5704.613480][ C0] kasan_check_range+0x39/0x1c0
[ 5704.613736][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 5704.614033][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5704.614372][ C0] ? __pfx___schedule+0x10/0x10
[ 5704.614634][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5704.614900][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5704.615194][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5704.615493][ C0] ? lock_acquire+0x1c1/0x220
[ 5704.615738][ C0] ? __mutex_lock+0x33e/0xb10
[ 5704.615989][ C0] ? __mutex_lock+0x811/0xb10
[ 5704.616247][ C0] _raw_spin_lock+0x67/0x80
[ 5704.616492][ C0] __mutex_lock+0x33e/0xb10
[ 5704.616726][ C0] ? __lock_release+0x40f/0x880
[ 5704.616986][ C0] ? __pfx___lock_release+0x10/0x10
[ 5704.617281][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5704.617594][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5704.617858][ C0] ? __pfx___up_read+0x10/0x10
[ 5704.618126][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5704.618412][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5704.618695][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5704.619004][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5704.619321][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5704.619624][ C0] __tcf_action_put+0x3d/0xf0
[ 5704.619876][ C0] tcf_action_destroy+0x43/0x130
[ 5704.620150][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5704.620399][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5704.620735][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5704.621022][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5704.621345][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5704.621661][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5704.621965][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5704.622303][ C0] ? __lock_release+0x40f/0x880
[ 5704.622565][ C0] ? __mutex_lock+0x26e/0xb10
[ 5704.622811][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5704.623116][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5704.623447][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5704.623762][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5704.624024][ C0] tcf_chain_flush+0x1e0/0x320
[ 5704.624286][ C0] __tcf_block_put+0x113/0x270
[ 5704.624543][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5704.624852][ C0] __qdisc_destroy+0xee/0x340
[ 5704.625111][ C0] dev_shutdown+0x129/0x350
[ 5704.625358][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5704.625695][ C0] ? rtnl_is_locked+0x15/0x20
[ 5704.625948][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5704.626291][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5704.626645][ C0] ? mutex_is_locked+0x17/0x50
[ 5704.626904][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5704.627231][ C0] cleanup_net+0x4cf/0xb60
[ 5704.627471][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5704.627763][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5704.628028][ C0] ? lock_acquire+0x1c1/0x220
[ 5704.628285][ C0] ? process_one_work+0x714/0x1310
[ 5704.628559][ C0] process_one_work+0x78c/0x1310
[ 5704.628818][ C0] ? hlock_class+0x4e/0x130
[ 5704.629059][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5704.629357][ C0] ? assign_work+0x16c/0x240
[ 5704.629606][ C0] worker_thread+0x73d/0x1010
[ 5704.629857][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5704.630140][ C0] kthread+0x28f/0x360
[ 5704.630361][ C0] ? __pfx_kthread+0x10/0x10
[ 5704.630609][ C0] ret_from_fork+0x31/0x70
[ 5704.630841][ C0] ? __pfx_kthread+0x10/0x10
[ 5704.631095][ C0] ret_from_fork_asm+0x1b/0x30
[ 5704.631359][ C0]
[ 5727.778483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5727.778865][ C0] rcu: 0-....: (181824 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=45497
[ 5727.779441][ C0] rcu: (t=182065 jiffies g=2451281 q=5428 ncpus=4)
[ 5727.779780][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5727.780269][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5727.780903][ C0] Workqueue: netns cleanup_net
[ 5727.781166][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 5727.781438][ 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
[ 5727.782449][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 5727.782764][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 5727.783177][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5727.783589][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 5727.783995][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5727.784406][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5727.784818][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5727.785281][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5727.785625][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5727.786033][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5727.786450][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5727.786856][ C0] PKRU: 55555554
[ 5727.787039][ C0] Call Trace:
[ 5727.787222][ C0]
[ 5727.787373][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5727.787660][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5727.787917][ C0] ? check_cpu_stall+0x284/0x500
[ 5727.788178][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5727.788477][ C0] ? rcu_pending+0x92/0x360
[ 5727.788712][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5727.788988][ C0] ? update_process_times+0xb9/0x110
[ 5727.789271][ C0] ? tick_sched_handle+0x67/0x130
[ 5727.789538][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5727.789826][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5727.790078][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5727.790402][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5727.790684][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5727.790980][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5727.791257][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5727.791582][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5727.791849][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5727.792169][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5727.792478][ C0]
[ 5727.792631][ C0]
[ 5727.792784][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5727.793114][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5727.793409][ C0] ? kasan_report+0x19/0xf0
[ 5727.793655][ C0] kasan_check_range+0x39/0x1c0
[ 5727.793910][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 5727.794202][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5727.794525][ C0] ? __pfx___schedule+0x10/0x10
[ 5727.794780][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5727.795034][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5727.795316][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5727.795610][ C0] ? lock_acquire+0x1c1/0x220
[ 5727.795854][ C0] ? __mutex_lock+0x33e/0xb10
[ 5727.796104][ C0] ? __mutex_lock+0x811/0xb10
[ 5727.796347][ C0] _raw_spin_lock+0x67/0x80
[ 5727.796591][ C0] __mutex_lock+0x33e/0xb10
[ 5727.796827][ C0] ? __lock_release+0x40f/0x880
[ 5727.797087][ C0] ? __pfx___lock_release+0x10/0x10
[ 5727.797356][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5727.797667][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5727.797928][ C0] ? __pfx___up_read+0x10/0x10
[ 5727.798183][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5727.798462][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5727.798740][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5727.799039][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5727.799347][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5727.799642][ C0] __tcf_action_put+0x3d/0xf0
[ 5727.799888][ C0] tcf_action_destroy+0x43/0x130
[ 5727.800152][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5727.800395][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5727.800726][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5727.801004][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5727.801315][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5727.801629][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5727.801919][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5727.802242][ C0] ? __lock_release+0x40f/0x880
[ 5727.802500][ C0] ? __mutex_lock+0x26e/0xb10
[ 5727.802745][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5727.803032][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5727.803352][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5727.803669][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5727.803921][ C0] tcf_chain_flush+0x1e0/0x320
[ 5727.804177][ C0] __tcf_block_put+0x113/0x270
[ 5727.804430][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5727.804743][ C0] __qdisc_destroy+0xee/0x340
[ 5727.804987][ C0] dev_shutdown+0x129/0x350
[ 5727.805230][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5727.805562][ C0] ? rtnl_is_locked+0x15/0x20
[ 5727.805806][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5727.806134][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5727.806486][ C0] ? mutex_is_locked+0x17/0x50
[ 5727.806733][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5727.807042][ C0] cleanup_net+0x4cf/0xb60
[ 5727.807283][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5727.807582][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5727.807838][ C0] ? lock_acquire+0x1c1/0x220
[ 5727.808087][ C0] ? process_one_work+0x714/0x1310
[ 5727.808352][ C0] process_one_work+0x78c/0x1310
[ 5727.808617][ C0] ? hlock_class+0x4e/0x130
[ 5727.808853][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5727.809138][ C0] ? assign_work+0x16c/0x240
[ 5727.809378][ C0] worker_thread+0x73d/0x1010
[ 5727.809630][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5727.809894][ C0] kthread+0x28f/0x360
[ 5727.810113][ C0] ? __pfx_kthread+0x10/0x10
[ 5727.810353][ C0] ret_from_fork+0x31/0x70
[ 5727.810588][ C0] ? __pfx_kthread+0x10/0x10
[ 5727.810826][ C0] ret_from_fork_asm+0x1b/0x30
[ 5727.811086][ C0]
[ 5752.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 194s! [kworker/u8:0:11]
[ 5752.598053][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5752.598998][ C0] irq event stamp: 6208419
[ 5752.599231][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5752.599717][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5752.600207][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5752.600693][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5752.601176][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5752.601669][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5752.602303][ C0] Workqueue: netns cleanup_net
[ 5752.602557][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 5752.602826][ 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
[ 5752.603827][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5752.604144][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5752.604554][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5752.604965][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5752.605378][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5752.605789][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5752.606200][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5752.606662][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5752.607005][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5752.607419][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5752.607831][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5752.608241][ C0] PKRU: 55555554
[ 5752.608426][ C0] Call Trace:
[ 5752.608604][ C0]
[ 5752.608756][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5752.609027][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5752.609279][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5752.609564][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5752.609846][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5752.610139][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5752.610411][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5752.610726][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5752.610995][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5752.611311][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5752.611623][ C0]
[ 5752.611776][ C0]
[ 5752.611930][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5752.612252][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5752.612556][ C0] ? kasan_report+0x19/0xf0
[ 5752.612795][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5752.613093][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5752.613386][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5752.613705][ C0] ? __pfx___schedule+0x10/0x10
[ 5752.613962][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5752.614219][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5752.614498][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5752.614791][ C0] ? lock_acquire+0x1c1/0x220
[ 5752.615036][ C0] ? __mutex_lock+0x33e/0xb10
[ 5752.615282][ C0] ? __mutex_lock+0x811/0xb10
[ 5752.615528][ C0] _raw_spin_lock+0x67/0x80
[ 5752.615765][ C0] __mutex_lock+0x33e/0xb10
[ 5752.616000][ C0] ? __lock_release+0x40f/0x880
[ 5752.616255][ C0] ? __pfx___lock_release+0x10/0x10
[ 5752.616525][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5752.616836][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5752.617099][ C0] ? __pfx___up_read+0x10/0x10
[ 5752.617351][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5752.617625][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5752.617903][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5752.618208][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5752.618515][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5752.618811][ C0] __tcf_action_put+0x3d/0xf0
[ 5752.619058][ C0] tcf_action_destroy+0x43/0x130
[ 5752.619318][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5752.619565][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5752.619895][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5752.620178][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5752.620486][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5752.620789][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5752.621084][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5752.621407][ C0] ? __lock_release+0x40f/0x880
[ 5752.621663][ C0] ? __mutex_lock+0x26e/0xb10
[ 5752.621910][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5752.622201][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5752.622518][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5752.622830][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5752.623087][ C0] tcf_chain_flush+0x1e0/0x320
[ 5752.623335][ C0] __tcf_block_put+0x113/0x270
[ 5752.623585][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5752.623901][ C0] __qdisc_destroy+0xee/0x340
[ 5752.624149][ C0] dev_shutdown+0x129/0x350
[ 5752.624386][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5752.624721][ C0] ? rtnl_is_locked+0x15/0x20
[ 5752.624966][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5752.625290][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5752.625640][ C0] ? mutex_is_locked+0x17/0x50
[ 5752.625886][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5752.626197][ C0] cleanup_net+0x4cf/0xb60
[ 5752.626430][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5752.626722][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5752.626979][ C0] ? lock_acquire+0x1c1/0x220
[ 5752.627222][ C0] ? process_one_work+0x714/0x1310
[ 5752.627490][ C0] process_one_work+0x78c/0x1310
[ 5752.627751][ C0] ? hlock_class+0x4e/0x130
[ 5752.627985][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5752.628265][ C0] ? assign_work+0x16c/0x240
[ 5752.628508][ C0] worker_thread+0x73d/0x1010
[ 5752.628754][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5752.629020][ C0] kthread+0x28f/0x360
[ 5752.629232][ C0] ? __pfx_kthread+0x10/0x10
[ 5752.629473][ C0] ret_from_fork+0x31/0x70
[ 5752.629705][ C0] ? __pfx_kthread+0x10/0x10
[ 5752.629944][ C0] ret_from_fork_asm+0x1b/0x30
[ 5752.630200][ C0]
[ 5776.748498][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 230763 jiffies s: 77393 root: 0x1/.
[ 5776.749468][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 5776.749870][ T41] INFO: task kworker/3:2:16358 blocked for more than 122 seconds.
[ 5776.750028][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 5776.750443][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 5776.750866][ C0] NMI backtrace for cpu 0
[ 5776.750876][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5776.750880][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5776.750882][ C0] Workqueue: netns cleanup_net
[ 5776.750889][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 5776.750895][ 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
[ 5776.750897][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 5776.750899][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 5776.750901][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5776.750903][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 5776.750904][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5776.750906][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5776.750907][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5776.750909][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5776.750913][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5776.750914][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5776.750916][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5776.750917][ C0] PKRU: 55555554
[ 5776.750918][ C0] Call Trace:
[ 5776.750921][ C0]
[ 5776.750924][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 5776.750929][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 5776.750934][ C0] ? nmi_handle+0x153/0x420
[ 5776.750939][ C0] ? default_do_nmi+0x41/0x100
[ 5776.750943][ C0] ? exc_nmi+0xf3/0x120
[ 5776.750946][ C0] ? end_repeat_nmi+0xf/0x60
[ 5776.750950][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5776.750955][ C0] ? kasan_report+0x19/0xf0
[ 5776.750958][ C0] ? kasan_report+0x19/0xf0
[ 5776.750961][ C0] ? kasan_report+0x19/0xf0
[ 5776.750964][ C0]
[ 5776.750965][ C0]
[ 5776.750968][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5776.750971][ C0] kasan_check_range+0x39/0x1c0
[ 5776.750976][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 5776.750979][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5776.750983][ C0] ? __pfx___schedule+0x10/0x10
[ 5776.750988][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5776.750994][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5776.750997][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5776.751000][ C0] ? lock_acquire+0x1c1/0x220
[ 5776.751002][ C0] ? __mutex_lock+0x33e/0xb10
[ 5776.751007][ C0] ? __mutex_lock+0x811/0xb10
[ 5776.751010][ C0] _raw_spin_lock+0x67/0x80
[ 5776.751013][ C0] __mutex_lock+0x33e/0xb10
[ 5776.751016][ C0] ? __lock_release+0x40f/0x880
[ 5776.751019][ C0] ? __pfx___lock_release+0x10/0x10
[ 5776.751021][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5776.751027][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5776.751030][ C0] ? __pfx___up_read+0x10/0x10
[ 5776.751034][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5776.751037][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5776.751041][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5776.751048][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5776.751051][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5776.751055][ C0] __tcf_action_put+0x3d/0xf0
[ 5776.751059][ C0] tcf_action_destroy+0x43/0x130
[ 5776.751063][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5776.751066][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5776.751077][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5776.751086][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5776.751094][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5776.751103][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5776.751112][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5776.751119][ C0] ? __lock_release+0x40f/0x880
[ 5776.751123][ C0] ? __mutex_lock+0x26e/0xb10
[ 5776.751127][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5776.751136][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5776.751144][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5776.751148][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5776.751152][ C0] tcf_chain_flush+0x1e0/0x320
[ 5776.751156][ C0] __tcf_block_put+0x113/0x270
[ 5776.751160][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5776.751169][ C0] __qdisc_destroy+0xee/0x340
[ 5776.751172][ C0] dev_shutdown+0x129/0x350
[ 5776.751175][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5776.751180][ C0] ? rtnl_is_locked+0x15/0x20
[ 5776.751184][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5776.751186][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5776.751189][ C0] ? mutex_is_locked+0x17/0x50
[ 5776.751192][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5776.751197][ C0] cleanup_net+0x4cf/0xb60
[ 5776.751200][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5776.751203][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5776.751206][ C0] ? lock_acquire+0x1c1/0x220
[ 5776.751209][ C0] ? process_one_work+0x714/0x1310
[ 5776.751214][ C0] process_one_work+0x78c/0x1310
[ 5776.751218][ C0] ? hlock_class+0x4e/0x130
[ 5776.751221][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5776.751226][ C0] ? assign_work+0x16c/0x240
[ 5776.751229][ C0] worker_thread+0x73d/0x1010
[ 5776.751234][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5776.751236][ C0] kthread+0x28f/0x360
[ 5776.751245][ C0] ? __pfx_kthread+0x10/0x10
[ 5776.751248][ C0] ret_from_fork+0x31/0x70
[ 5776.751250][ C0] ? __pfx_kthread+0x10/0x10
[ 5776.751252][ C0] ret_from_fork_asm+0x1b/0x30
[ 5776.751260][ C0]
[ 5776.779368][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5776.779813][ T41] task:kworker/3:2 state:D stack:26944 pid:16358 tgid:16358 ppid:2 flags:0x00004000
[ 5776.780345][ T41] Workqueue: events linkwatch_event
[ 5776.780624][ T41] Call Trace:
[ 5776.780796][ T41]
[ 5776.780953][ T41] __schedule+0x705/0x1ac0
[ 5776.781186][ T41] ? __pfx___schedule+0x10/0x10
[ 5776.781454][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 5776.781733][ T41] schedule+0xeb/0x280
[ 5776.781948][ T41] schedule_preempt_disabled+0x15/0x30
[ 5776.782235][ T41] __mutex_lock+0x5e4/0xb10
[ 5776.782472][ T41] ? linkwatch_event+0xe/0x60
[ 5776.782720][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 5776.782981][ T41] ? __pfx_debug_object_deactivate+0x10/0x10
[ 5776.783299][ T41] ? lock_acquire+0x1c1/0x220
[ 5776.783550][ T41] ? linkwatch_event+0xe/0x60
[ 5776.783794][ T41] linkwatch_event+0xe/0x60
[ 5776.784027][ T41] process_one_work+0x78c/0x1310
[ 5776.784291][ T41] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5776.784588][ T41] ? __pfx_process_one_work+0x10/0x10
[ 5776.784864][ T41] ? assign_work+0x16c/0x240
[ 5776.785103][ T41] worker_thread+0x73d/0x1010
[ 5776.785351][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 5776.785695][ T41] ? __pfx_worker_thread+0x10/0x10
[ 5776.785958][ T41] ? __pfx_worker_thread+0x10/0x10
[ 5776.786228][ T41] kthread+0x28f/0x360
[ 5776.786439][ T41] ? __pfx_kthread+0x10/0x10
[ 5776.786683][ T41] ret_from_fork+0x31/0x70
[ 5776.786913][ T41] ? __pfx_kthread+0x10/0x10
[ 5776.787148][ T41] ret_from_fork_asm+0x1b/0x30
[ 5776.787405][ T41]
[ 5776.787575][ T41] INFO: task ip:19040 blocked for more than 122 seconds.
[ 5776.787930][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 5776.788296][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5776.788739][ T41] task:ip state:D stack:26608 pid:19040 tgid:19040 ppid:18770 flags:0x00004002
[ 5776.789267][ T41] Call Trace:
[ 5776.789436][ T41]
[ 5776.789598][ T41] __schedule+0x705/0x1ac0
[ 5776.789829][ T41] ? __pfx___schedule+0x10/0x10
[ 5776.790078][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 5776.790353][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5776.790649][ T41] ? lock_acquire+0x1c1/0x220
[ 5776.790894][ T41] ? lock_acquire+0x1c1/0x220
[ 5776.791136][ T41] ? schedule+0x163/0x280
[ 5776.791372][ T41] schedule+0xeb/0x280
[ 5776.791590][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 5776.791884][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 5776.792201][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 5776.792525][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 5776.792836][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 5776.793111][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 5776.793428][ T41] ? mnt_release_group_id+0x44/0x90
[ 5776.793705][ T41] ? __up_write+0x190/0x520
[ 5776.793941][ T41] namespace_unlock+0x1a4/0x420
[ 5776.794194][ T41] ? umount_tree+0x6ee/0xfb0
[ 5776.794440][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 5776.794722][ T41] ? __pfx_umount_tree+0x10/0x10
[ 5776.794980][ T41] ? lock_acquire+0x1c1/0x220
[ 5776.795229][ T41] do_umount+0x378/0xb10
[ 5776.795450][ T41] ? __pfx_do_umount+0x10/0x10
[ 5776.795703][ T41] ? user_path_at_empty+0x49/0x60
[ 5776.795963][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 5776.796234][ T41] path_umount+0x1f6/0x360
[ 5776.796467][ T41] __x64_sys_umount+0x10b/0x130
[ 5776.796725][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 5776.797001][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 5776.797279][ T41] do_syscall_64+0xc9/0x1e0
[ 5776.797523][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 5776.797828][ T41] RIP: 0033:0x7fade615b63b
[ 5776.798062][ T41] RSP: 002b:00007fff492c5b58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 5776.798501][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007fade615b63b
[ 5776.798906][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff492c5b60
[ 5776.799314][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fff492c59f0
[ 5776.799726][ T41] R10: 00007fade60218d0 R11: 0000000000000202 R12: 00007fff492c6d10
[ 5776.800130][ T41] R13: 0000000000000001 R14: 00007fff492c8a32 R15: 0000000000000000
[ 5776.800549][ T41]
[ 5776.800711][ T41] INFO: lockdep is turned off.
[ 5804.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 242s! [kworker/u8:0:11]
[ 5804.598073][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5804.599032][ C0] irq event stamp: 6208419
[ 5804.599263][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5804.599752][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5804.600242][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5804.600733][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5804.601222][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5804.601711][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5804.602349][ C0] Workqueue: netns cleanup_net
[ 5804.602606][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5804.602947][ 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
[ 5804.603949][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5804.604267][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5804.604681][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5804.605097][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5804.605508][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5804.605923][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5804.606329][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5804.606789][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5804.607135][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5804.607550][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5804.607967][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5804.608375][ C0] PKRU: 55555554
[ 5804.608569][ C0] Call Trace:
[ 5804.608745][ C0]
[ 5804.608905][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5804.609175][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5804.609424][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5804.609715][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5804.610004][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5804.610300][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5804.610576][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5804.610902][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5804.611182][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5804.611502][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5804.611804][ C0]
[ 5804.611965][ C0]
[ 5804.612119][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5804.612447][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5804.612754][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5804.613066][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5804.613387][ C0] ? __pfx___schedule+0x10/0x10
[ 5804.613647][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5804.613910][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5804.614190][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5804.614484][ C0] ? lock_acquire+0x1c1/0x220
[ 5804.614727][ C0] ? __mutex_lock+0x33e/0xb10
[ 5804.614979][ C0] ? __mutex_lock+0x811/0xb10
[ 5804.615222][ C0] _raw_spin_lock+0x67/0x80
[ 5804.615463][ C0] __mutex_lock+0x33e/0xb10
[ 5804.615698][ C0] ? __lock_release+0x40f/0x880
[ 5804.615957][ C0] ? __pfx___lock_release+0x10/0x10
[ 5804.616225][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5804.616536][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5804.616796][ C0] ? __pfx___up_read+0x10/0x10
[ 5804.617051][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5804.617325][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5804.617607][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5804.617912][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5804.618220][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5804.618516][ C0] __tcf_action_put+0x3d/0xf0
[ 5804.618764][ C0] tcf_action_destroy+0x43/0x130
[ 5804.619028][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5804.619272][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5804.619604][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5804.619890][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5804.620194][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5804.620503][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5804.620794][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5804.621127][ C0] ? __lock_release+0x40f/0x880
[ 5804.621379][ C0] ? __mutex_lock+0x26e/0xb10
[ 5804.621632][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5804.621927][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5804.622242][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5804.622561][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5804.622814][ C0] tcf_chain_flush+0x1e0/0x320
[ 5804.623070][ C0] __tcf_block_put+0x113/0x270
[ 5804.623319][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5804.623636][ C0] __qdisc_destroy+0xee/0x340
[ 5804.623886][ C0] dev_shutdown+0x129/0x350
[ 5804.624124][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5804.624458][ C0] ? rtnl_is_locked+0x15/0x20
[ 5804.624703][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5804.625032][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5804.625378][ C0] ? mutex_is_locked+0x17/0x50
[ 5804.625633][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5804.625948][ C0] cleanup_net+0x4cf/0xb60
[ 5804.626180][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5804.626476][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5804.626734][ C0] ? lock_acquire+0x1c1/0x220
[ 5804.626982][ C0] ? process_one_work+0x714/0x1310
[ 5804.627247][ C0] process_one_work+0x78c/0x1310
[ 5804.627510][ C0] ? hlock_class+0x4e/0x130
[ 5804.627747][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5804.628030][ C0] ? assign_work+0x16c/0x240
[ 5804.628272][ C0] worker_thread+0x73d/0x1010
[ 5804.628526][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5804.628792][ C0] kthread+0x28f/0x360
[ 5804.629012][ C0] ? __pfx_kthread+0x10/0x10
[ 5804.629252][ C0] ret_from_fork+0x31/0x70
[ 5804.629490][ C0] ? __pfx_kthread+0x10/0x10
[ 5804.629729][ C0] ret_from_fork_asm+0x1b/0x30
[ 5804.629990][ C0]
[ 5805.812483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5805.812874][ C0] rcu: 0-....: (259765 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=64998
[ 5805.813447][ C0] rcu: (t=260099 jiffies g=2451281 q=5499 ncpus=4)
[ 5805.813793][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5805.814281][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5805.814918][ C0] Workqueue: netns cleanup_net
[ 5805.815171][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5805.815511][ 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
[ 5805.816509][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5805.816821][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5805.817236][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5805.817648][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5805.818061][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5805.818472][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5805.818889][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5805.819342][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5805.819688][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5805.820101][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5805.820514][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5805.820933][ C0] PKRU: 55555554
[ 5805.821126][ C0] Call Trace:
[ 5805.821299][ C0]
[ 5805.821458][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5805.821741][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5805.822006][ C0] ? check_cpu_stall+0x284/0x500
[ 5805.822263][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5805.822561][ C0] ? rcu_pending+0x92/0x360
[ 5805.822796][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5805.823076][ C0] ? update_process_times+0xb9/0x110
[ 5805.823351][ C0] ? tick_sched_handle+0x67/0x130
[ 5805.823619][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5805.823917][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5805.824165][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5805.824489][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5805.824766][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5805.825069][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5805.825339][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5805.825655][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5805.825930][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5805.826247][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5805.826554][ C0]
[ 5805.826709][ C0]
[ 5805.826864][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5805.827190][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5805.827497][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5805.827800][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5805.828124][ C0] ? __pfx___schedule+0x10/0x10
[ 5805.828379][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5805.828642][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5805.828928][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5805.829217][ C0] ? lock_acquire+0x1c1/0x220
[ 5805.829465][ C0] ? __mutex_lock+0x33e/0xb10
[ 5805.829711][ C0] ? __mutex_lock+0x811/0xb10
[ 5805.829963][ C0] _raw_spin_lock+0x67/0x80
[ 5805.830198][ C0] __mutex_lock+0x33e/0xb10
[ 5805.830439][ C0] ? __lock_release+0x40f/0x880
[ 5805.830694][ C0] ? __pfx___lock_release+0x10/0x10
[ 5805.830968][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5805.831276][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5805.831545][ C0] ? __pfx___up_read+0x10/0x10
[ 5805.831794][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5805.832075][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5805.832349][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5805.832651][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5805.832964][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5805.833255][ C0] __tcf_action_put+0x3d/0xf0
[ 5805.833508][ C0] tcf_action_destroy+0x43/0x130
[ 5805.833767][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5805.834019][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5805.834345][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5805.834629][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5805.834941][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5805.835243][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5805.835542][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5805.835862][ C0] ? __lock_release+0x40f/0x880
[ 5805.836119][ C0] ? __mutex_lock+0x26e/0xb10
[ 5805.836366][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5805.836660][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5805.836982][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5805.837293][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5805.837551][ C0] tcf_chain_flush+0x1e0/0x320
[ 5805.837798][ C0] __tcf_block_put+0x113/0x270
[ 5805.838055][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5805.838366][ C0] __qdisc_destroy+0xee/0x340
[ 5805.838617][ C0] dev_shutdown+0x129/0x350
[ 5805.838851][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5805.839184][ C0] ? rtnl_is_locked+0x15/0x20
[ 5805.839431][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5805.839757][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5805.840112][ C0] ? mutex_is_locked+0x17/0x50
[ 5805.840360][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5805.840675][ C0] cleanup_net+0x4cf/0xb60
[ 5805.840914][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5805.841212][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5805.841475][ C0] ? lock_acquire+0x1c1/0x220
[ 5805.841715][ C0] ? process_one_work+0x714/0x1310
[ 5805.841987][ C0] process_one_work+0x78c/0x1310
[ 5805.842245][ C0] ? hlock_class+0x4e/0x130
[ 5805.842489][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5805.842767][ C0] ? assign_work+0x16c/0x240
[ 5805.843014][ C0] worker_thread+0x73d/0x1010
[ 5805.843261][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5805.843531][ C0] kthread+0x28f/0x360
[ 5805.843743][ C0] ? __pfx_kthread+0x10/0x10
[ 5805.843990][ C0] ret_from_fork+0x31/0x70
[ 5805.844219][ C0] ? __pfx_kthread+0x10/0x10
[ 5805.844464][ C0] ret_from_fork_asm+0x1b/0x30
[ 5805.844718][ C0]
[ 5832.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 269s! [kworker/u8:0:11]
[ 5832.598055][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5832.598994][ C0] irq event stamp: 6208419
[ 5832.599223][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5832.599705][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5832.600202][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5832.600681][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5832.601169][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5832.601651][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5832.602279][ C0] Workqueue: netns cleanup_net
[ 5832.602530][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5832.602864][ 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
[ 5832.603849][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5832.604173][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5832.604582][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5832.604999][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5832.605407][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5832.605814][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5832.606226][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5832.606682][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5832.607030][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5832.607441][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5832.607845][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5832.608262][ C0] PKRU: 55555554
[ 5832.608446][ C0] Call Trace:
[ 5832.608621][ C0]
[ 5832.608771][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5832.609047][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5832.609296][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5832.609578][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5832.609861][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5832.610157][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5832.610427][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5832.610740][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5832.611023][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5832.611338][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5832.611638][ C0]
[ 5832.611790][ C0]
[ 5832.611955][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5832.612277][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5832.612580][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5832.612889][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5832.613207][ C0] ? __pfx___schedule+0x10/0x10
[ 5832.613464][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5832.613720][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5832.614003][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5832.614296][ C0] ? lock_acquire+0x1c1/0x220
[ 5832.614540][ C0] ? __mutex_lock+0x33e/0xb10
[ 5832.614783][ C0] ? __mutex_lock+0x811/0xb10
[ 5832.615033][ C0] _raw_spin_lock+0x67/0x80
[ 5832.615271][ C0] __mutex_lock+0x33e/0xb10
[ 5832.615504][ C0] ? __lock_release+0x40f/0x880
[ 5832.615756][ C0] ? __pfx___lock_release+0x10/0x10
[ 5832.616037][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5832.616341][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5832.616607][ C0] ? __pfx___up_read+0x10/0x10
[ 5832.616861][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5832.617139][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5832.617415][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5832.617715][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5832.618022][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5832.618315][ C0] __tcf_action_put+0x3d/0xf0
[ 5832.618559][ C0] tcf_action_destroy+0x43/0x130
[ 5832.618815][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5832.619066][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5832.619395][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5832.619675][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5832.619995][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5832.620294][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5832.620588][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5832.620912][ C0] ? __lock_release+0x40f/0x880
[ 5832.621170][ C0] ? __mutex_lock+0x26e/0xb10
[ 5832.621415][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5832.621702][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5832.622022][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5832.622331][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5832.622584][ C0] tcf_chain_flush+0x1e0/0x320
[ 5832.622833][ C0] __tcf_block_put+0x113/0x270
[ 5832.623088][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5832.623396][ C0] __qdisc_destroy+0xee/0x340
[ 5832.623641][ C0] dev_shutdown+0x129/0x350
[ 5832.623887][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5832.624218][ C0] ? rtnl_is_locked+0x15/0x20
[ 5832.624461][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5832.624781][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5832.625136][ C0] ? mutex_is_locked+0x17/0x50
[ 5832.625382][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5832.625690][ C0] cleanup_net+0x4cf/0xb60
[ 5832.625929][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5832.626220][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5832.626477][ C0] ? lock_acquire+0x1c1/0x220
[ 5832.626722][ C0] ? process_one_work+0x714/0x1310
[ 5832.626996][ C0] process_one_work+0x78c/0x1310
[ 5832.627254][ C0] ? hlock_class+0x4e/0x130
[ 5832.627487][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5832.627767][ C0] ? assign_work+0x16c/0x240
[ 5832.628016][ C0] worker_thread+0x73d/0x1010
[ 5832.628263][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5832.628527][ C0] kthread+0x28f/0x360
[ 5832.628740][ C0] ? __pfx_kthread+0x10/0x10
[ 5832.628988][ C0] ret_from_fork+0x31/0x70
[ 5832.629223][ C0] ? __pfx_kthread+0x10/0x10
[ 5832.629461][ C0] ret_from_fork_asm+0x1b/0x30
[ 5832.629714][ C0]
[ 5860.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 295s! [kworker/u8:0:11]
[ 5860.598035][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5860.598984][ C0] irq event stamp: 6208419
[ 5860.599215][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5860.599696][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5860.600183][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5860.600666][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5860.601145][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5860.601637][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5860.602260][ C0] Workqueue: netns cleanup_net
[ 5860.602511][ C0] RIP: 0010:kasan_report+0xce/0xf0
[ 5860.602778][ C0] Code: 24 20 88 5c 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 34 24 9d 48 83 c4 70 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3
[ 5860.603766][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000246
[ 5860.604081][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 5860.604486][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5860.604895][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5860.605301][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 5860.605706][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 5860.606111][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5860.606566][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5860.606908][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5860.607316][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5860.607722][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5860.608128][ C0] PKRU: 55555554
[ 5860.608312][ C0] Call Trace:
[ 5860.608489][ C0]
[ 5860.608640][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5860.608908][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5860.609158][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5860.609441][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5860.609721][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5860.610014][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5860.610287][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5860.610601][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5860.610871][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5860.611188][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5860.611489][ C0]
[ 5860.611642][ C0]
[ 5860.611796][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5860.612117][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5860.612415][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 5860.612708][ C0] ? kasan_report+0xce/0xf0
[ 5860.612946][ C0] ? kasan_report+0x41/0xf0
[ 5860.613184][ C0] kasan_check_range+0x39/0x1c0
[ 5860.613438][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 5860.613727][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5860.614046][ C0] ? __pfx___schedule+0x10/0x10
[ 5860.614301][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5860.614556][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5860.614835][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5860.615125][ C0] ? lock_acquire+0x1c1/0x220
[ 5860.615369][ C0] ? __mutex_lock+0x33e/0xb10
[ 5860.615614][ C0] ? __mutex_lock+0x811/0xb10
[ 5860.615855][ C0] _raw_spin_lock+0x67/0x80
[ 5860.616093][ C0] __mutex_lock+0x33e/0xb10
[ 5860.616330][ C0] ? __lock_release+0x40f/0x880
[ 5860.616583][ C0] ? __pfx___lock_release+0x10/0x10
[ 5860.616853][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5860.617154][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5860.617416][ C0] ? __pfx___up_read+0x10/0x10
[ 5860.617670][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5860.617943][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5860.618219][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5860.618517][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5860.618819][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5860.619110][ C0] __tcf_action_put+0x3d/0xf0
[ 5860.619358][ C0] tcf_action_destroy+0x43/0x130
[ 5860.619616][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5860.619859][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5860.620184][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5860.620464][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5860.620771][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5860.621079][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5860.621371][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5860.621691][ C0] ? __lock_release+0x40f/0x880
[ 5860.621945][ C0] ? __mutex_lock+0x26e/0xb10
[ 5860.622189][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5860.622479][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5860.622793][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5860.623103][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5860.623358][ C0] tcf_chain_flush+0x1e0/0x320
[ 5860.623608][ C0] __tcf_block_put+0x113/0x270
[ 5860.623859][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5860.624169][ C0] __qdisc_destroy+0xee/0x340
[ 5860.624414][ C0] dev_shutdown+0x129/0x350
[ 5860.624652][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5860.624980][ C0] ? rtnl_is_locked+0x15/0x20
[ 5860.625227][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5860.625549][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5860.625897][ C0] ? mutex_is_locked+0x17/0x50
[ 5860.626146][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5860.626451][ C0] cleanup_net+0x4cf/0xb60
[ 5860.626685][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5860.626974][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5860.627232][ C0] ? lock_acquire+0x1c1/0x220
[ 5860.627476][ C0] ? process_one_work+0x714/0x1310
[ 5860.627743][ C0] process_one_work+0x78c/0x1310
[ 5860.628002][ C0] ? hlock_class+0x4e/0x130
[ 5860.628239][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5860.628520][ C0] ? assign_work+0x16c/0x240
[ 5860.628760][ C0] worker_thread+0x73d/0x1010
[ 5860.629013][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5860.629278][ C0] kthread+0x28f/0x360
[ 5860.629494][ C0] ? __pfx_kthread+0x10/0x10
[ 5860.629733][ C0] ret_from_fork+0x31/0x70
[ 5860.629966][ C0] ? __pfx_kthread+0x10/0x10
[ 5860.630209][ C0] ret_from_fork_asm+0x1b/0x30
[ 5860.630461][ C0]
[ 5875.052499][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 329067 jiffies s: 77393 root: 0x1/.
[ 5875.053151][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 5875.053533][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 5875.053816][ C0] NMI backtrace for cpu 0
[ 5875.053821][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5875.053825][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5875.053827][ C0] Workqueue: netns cleanup_net
[ 5875.053832][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5875.053838][ 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
[ 5875.053840][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5875.053842][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5875.053844][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5875.053845][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5875.053847][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5875.053848][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5875.053849][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5875.053851][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5875.053855][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5875.053856][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5875.053857][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5875.053858][ C0] PKRU: 55555554
[ 5875.053859][ C0] Call Trace:
[ 5875.053862][ C0]
[ 5875.053864][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 5875.053869][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 5875.053873][ C0] ? nmi_handle+0x153/0x420
[ 5875.053877][ C0] ? default_do_nmi+0x41/0x100
[ 5875.053881][ C0] ? exc_nmi+0xf3/0x120
[ 5875.053883][ C0] ? end_repeat_nmi+0xf/0x60
[ 5875.053887][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5875.053891][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5875.053894][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5875.053898][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5875.053901][ C0]
[ 5875.053902][ C0]
[ 5875.053903][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5875.053907][ C0] ? __pfx___schedule+0x10/0x10
[ 5875.053912][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5875.053917][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5875.053920][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5875.053923][ C0] ? lock_acquire+0x1c1/0x220
[ 5875.053925][ C0] ? __mutex_lock+0x33e/0xb10
[ 5875.053929][ C0] ? __mutex_lock+0x811/0xb10
[ 5875.053931][ C0] _raw_spin_lock+0x67/0x80
[ 5875.053934][ C0] __mutex_lock+0x33e/0xb10
[ 5875.053937][ C0] ? __lock_release+0x40f/0x880
[ 5875.053940][ C0] ? __pfx___lock_release+0x10/0x10
[ 5875.053943][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5875.053948][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5875.053951][ C0] ? __pfx___up_read+0x10/0x10
[ 5875.053954][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5875.053957][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5875.053960][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5875.053967][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5875.053970][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5875.053974][ C0] __tcf_action_put+0x3d/0xf0
[ 5875.053978][ C0] tcf_action_destroy+0x43/0x130
[ 5875.053982][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5875.053985][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5875.053994][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5875.054002][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5875.054011][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5875.054020][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5875.054029][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5875.054037][ C0] ? __lock_release+0x40f/0x880
[ 5875.054040][ C0] ? __mutex_lock+0x26e/0xb10
[ 5875.054044][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5875.054054][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5875.054061][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5875.054066][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5875.054070][ C0] tcf_chain_flush+0x1e0/0x320
[ 5875.054074][ C0] __tcf_block_put+0x113/0x270
[ 5875.054078][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5875.054086][ C0] __qdisc_destroy+0xee/0x340
[ 5875.054089][ C0] dev_shutdown+0x129/0x350
[ 5875.054093][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5875.054097][ C0] ? rtnl_is_locked+0x15/0x20
[ 5875.054100][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5875.054103][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5875.054106][ C0] ? mutex_is_locked+0x17/0x50
[ 5875.054108][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5875.054113][ C0] cleanup_net+0x4cf/0xb60
[ 5875.054115][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5875.054118][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5875.054121][ C0] ? lock_acquire+0x1c1/0x220
[ 5875.054123][ C0] ? process_one_work+0x714/0x1310
[ 5875.054127][ C0] process_one_work+0x78c/0x1310
[ 5875.054131][ C0] ? hlock_class+0x4e/0x130
[ 5875.054135][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5875.054139][ C0] ? assign_work+0x16c/0x240
[ 5875.054142][ C0] worker_thread+0x73d/0x1010
[ 5875.054148][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5875.054150][ C0] kthread+0x28f/0x360
[ 5875.054152][ C0] ? __pfx_kthread+0x10/0x10
[ 5875.054155][ C0] ret_from_fork+0x31/0x70
[ 5875.054157][ C0] ? __pfx_kthread+0x10/0x10
[ 5875.054159][ C0] ret_from_fork_asm+0x1b/0x30
[ 5875.054166][ C0]
[ 5883.845482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5883.845856][ C0] rcu: 0-....: (337678 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=84498
[ 5883.846421][ C0] rcu: (t=338132 jiffies g=2451281 q=5511 ncpus=4)
[ 5883.846761][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5883.847240][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5883.847869][ C0] Workqueue: netns cleanup_net
[ 5883.848128][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5883.848466][ 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
[ 5883.849460][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5883.849774][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5883.850181][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5883.850588][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5883.850999][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5883.851409][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5883.851819][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5883.852275][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5883.852614][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5883.853023][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5883.853433][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5883.853841][ C0] PKRU: 55555554
[ 5883.854027][ C0] Call Trace:
[ 5883.854201][ C0]
[ 5883.854353][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5883.854632][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5883.854890][ C0] ? check_cpu_stall+0x284/0x500
[ 5883.855148][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5883.855440][ C0] ? rcu_pending+0x92/0x360
[ 5883.855677][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5883.855952][ C0] ? update_process_times+0xb9/0x110
[ 5883.856227][ C0] ? tick_sched_handle+0x67/0x130
[ 5883.856489][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5883.856783][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5883.857031][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5883.857349][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5883.857630][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5883.857924][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5883.858194][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5883.858508][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5883.858775][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5883.859091][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5883.859394][ C0]
[ 5883.859548][ C0]
[ 5883.859701][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5883.860024][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5883.860327][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5883.860629][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5883.860954][ C0] ? __pfx___schedule+0x10/0x10
[ 5883.861209][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5883.861464][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5883.861741][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5883.862032][ C0] ? lock_acquire+0x1c1/0x220
[ 5883.862276][ C0] ? __mutex_lock+0x33e/0xb10
[ 5883.862521][ C0] ? __mutex_lock+0x811/0xb10
[ 5883.862765][ C0] _raw_spin_lock+0x67/0x80
[ 5883.863002][ C0] __mutex_lock+0x33e/0xb10
[ 5883.863237][ C0] ? __lock_release+0x40f/0x880
[ 5883.863490][ C0] ? __pfx___lock_release+0x10/0x10
[ 5883.863759][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5883.864064][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5883.864326][ C0] ? __pfx___up_read+0x10/0x10
[ 5883.864581][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5883.864855][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5883.865128][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5883.865428][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5883.865729][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5883.866022][ C0] __tcf_action_put+0x3d/0xf0
[ 5883.866267][ C0] tcf_action_destroy+0x43/0x130
[ 5883.866525][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5883.866769][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5883.867096][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5883.867376][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5883.867685][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5883.867984][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5883.868278][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5883.868596][ C0] ? __lock_release+0x40f/0x880
[ 5883.868849][ C0] ? __mutex_lock+0x26e/0xb10
[ 5883.869096][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5883.869385][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5883.869702][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5883.870014][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5883.870272][ C0] tcf_chain_flush+0x1e0/0x320
[ 5883.870522][ C0] __tcf_block_put+0x113/0x270
[ 5883.870775][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5883.871085][ C0] __qdisc_destroy+0xee/0x340
[ 5883.871332][ C0] dev_shutdown+0x129/0x350
[ 5883.871568][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5883.871896][ C0] ? rtnl_is_locked+0x15/0x20
[ 5883.872141][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5883.872463][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5883.872811][ C0] ? mutex_is_locked+0x17/0x50
[ 5883.873059][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5883.873367][ C0] cleanup_net+0x4cf/0xb60
[ 5883.873600][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5883.873894][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5883.874152][ C0] ? lock_acquire+0x1c1/0x220
[ 5883.874396][ C0] ? process_one_work+0x714/0x1310
[ 5883.874665][ C0] process_one_work+0x78c/0x1310
[ 5883.874923][ C0] ? hlock_class+0x4e/0x130
[ 5883.875158][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5883.875439][ C0] ? assign_work+0x16c/0x240
[ 5883.875680][ C0] worker_thread+0x73d/0x1010
[ 5883.875927][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5883.876192][ C0] kthread+0x28f/0x360
[ 5883.876403][ C0] ? __pfx_kthread+0x10/0x10
[ 5883.876644][ C0] ret_from_fork+0x31/0x70
[ 5883.876876][ C0] ? __pfx_kthread+0x10/0x10
[ 5883.877115][ C0] ret_from_fork_asm+0x1b/0x30
[ 5883.877369][ C0]
[ 5899.629515][ T41] INFO: task kworker/u8:1:71 blocked for more than 122 seconds.
[ 5899.630072][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 5899.630550][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5899.631135][ T41] task:kworker/u8:1 state:D stack:29104 pid:71 tgid:71 ppid:2 flags:0x00004000
[ 5899.631833][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 5899.632261][ T41] Call Trace:
[ 5899.632496][ T41]
[ 5899.632701][ T41] __schedule+0x705/0x1ac0
[ 5899.633008][ T41] ? __pfx___schedule+0x10/0x10
[ 5899.633343][ T41] ? __mutex_trylock_common+0x79/0x260
[ 5899.633721][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 5899.634076][ T41] ? lock_acquire+0x1c1/0x220
[ 5899.634394][ T41] ? schedule+0x163/0x280
[ 5899.634697][ T41] schedule+0xeb/0x280
[ 5899.634974][ T41] schedule_preempt_disabled+0x15/0x30
[ 5899.635343][ T41] __mutex_lock+0x5e4/0xb10
[ 5899.635662][ T41] ? addrconf_verify_work+0x12/0x30
[ 5899.636013][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 5899.636362][ T41] ? addrconf_verify_work+0x12/0x30
[ 5899.636720][ T41] addrconf_verify_work+0x12/0x30
[ 5899.637062][ T41] process_one_work+0x78c/0x1310
[ 5899.637402][ T41] ? __pfx_process_one_work+0x10/0x10
[ 5899.637779][ T41] ? assign_work+0x16c/0x240
[ 5899.638091][ T41] ? lock_release+0x1d5/0x250
[ 5899.638413][ T41] worker_thread+0x73d/0x1010
[ 5899.638742][ T41] ? __pfx_worker_thread+0x10/0x10
[ 5899.639088][ T41] kthread+0x28f/0x360
[ 5899.639365][ T41] ? __pfx_kthread+0x10/0x10
[ 5899.639687][ T41] ret_from_fork+0x31/0x70
[ 5899.639994][ T41] ? __pfx_kthread+0x10/0x10
[ 5899.640308][ T41] ret_from_fork_asm+0x1b/0x30
[ 5899.640651][ T41]
[ 5899.640868][ T41] INFO: task kworker/3:2:16358 blocked for more than 245 seconds.
[ 5899.641391][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 5899.641866][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5899.642448][ T41] task:kworker/3:2 state:D stack:26944 pid:16358 tgid:16358 ppid:2 flags:0x00004000
[ 5899.643142][ T41] Workqueue: events linkwatch_event
[ 5899.643504][ T41] Call Trace:
[ 5899.643729][ T41]
[ 5899.643933][ T41] __schedule+0x705/0x1ac0
[ 5899.644237][ T41] ? __pfx___schedule+0x10/0x10
[ 5899.644576][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 5899.644935][ T41] schedule+0xeb/0x280
[ 5899.645216][ T41] schedule_preempt_disabled+0x15/0x30
[ 5899.645592][ T41] __mutex_lock+0x5e4/0xb10
[ 5899.645903][ T41] ? linkwatch_event+0xe/0x60
[ 5899.646223][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 5899.646571][ T41] ? __pfx_debug_object_deactivate+0x10/0x10
[ 5899.646980][ T41] ? lock_acquire+0x1c1/0x220
[ 5899.647301][ T41] ? linkwatch_event+0xe/0x60
[ 5899.647628][ T41] linkwatch_event+0xe/0x60
[ 5899.647937][ T41] process_one_work+0x78c/0x1310
[ 5899.648277][ T41] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5899.648663][ T41] ? __pfx_process_one_work+0x10/0x10
[ 5899.649030][ T41] ? assign_work+0x16c/0x240
[ 5899.649346][ T41] worker_thread+0x73d/0x1010
[ 5899.649673][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 5899.650119][ T41] ? __pfx_worker_thread+0x10/0x10
[ 5899.650467][ T41] ? __pfx_worker_thread+0x10/0x10
[ 5899.650860][ T41] kthread+0x28f/0x360
[ 5899.651142][ T41] ? __pfx_kthread+0x10/0x10
[ 5899.651455][ T41] ret_from_fork+0x31/0x70
[ 5899.651763][ T41] ? __pfx_kthread+0x10/0x10
[ 5899.652077][ T41] ret_from_fork_asm+0x1b/0x30
[ 5899.652409][ T41]
[ 5899.652630][ T41] INFO: task ip:19040 blocked for more than 245 seconds.
[ 5899.653104][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 5899.653581][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5899.654161][ T41] task:ip state:D stack:26608 pid:19040 tgid:19040 ppid:18770 flags:0x00004002
[ 5899.654856][ T41] Call Trace:
[ 5899.655083][ T41]
[ 5899.655287][ T41] __schedule+0x705/0x1ac0
[ 5899.655605][ T41] ? __pfx___schedule+0x10/0x10
[ 5899.655937][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 5899.656292][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5899.656681][ T41] ? lock_acquire+0x1c1/0x220
[ 5899.657001][ T41] ? lock_acquire+0x1c1/0x220
[ 5899.657325][ T41] ? schedule+0x163/0x280
[ 5899.657627][ T41] schedule+0xeb/0x280
[ 5899.657910][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 5899.658292][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 5899.658717][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 5899.659132][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 5899.659551][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 5899.659912][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 5899.660322][ T41] ? mnt_release_group_id+0x44/0x90
[ 5899.660688][ T41] ? __up_write+0x190/0x520
[ 5899.661001][ T41] namespace_unlock+0x1a4/0x420
[ 5899.661334][ T41] ? umount_tree+0x6ee/0xfb0
[ 5899.661652][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 5899.662019][ T41] ? __pfx_umount_tree+0x10/0x10
[ 5899.662358][ T41] ? lock_acquire+0x1c1/0x220
[ 5899.662685][ T41] do_umount+0x378/0xb10
[ 5899.662978][ T41] ? __pfx_do_umount+0x10/0x10
[ 5899.663305][ T41] ? user_path_at_empty+0x49/0x60
[ 5899.663655][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 5899.664006][ T41] path_umount+0x1f6/0x360
[ 5899.664310][ T41] __x64_sys_umount+0x10b/0x130
[ 5899.664646][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 5899.665011][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 5899.665367][ T41] do_syscall_64+0xc9/0x1e0
[ 5899.665685][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 5899.666087][ T41] RIP: 0033:0x7fade615b63b
[ 5899.666393][ T41] RSP: 002b:00007fff492c5b58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 5899.666961][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007fade615b63b
[ 5899.667506][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff492c5b60
[ 5899.668038][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fff492c59f0
[ 5899.668577][ T41] R10: 00007fade60218d0 R11: 0000000000000202 R12: 00007fff492c6d10
[ 5899.669111][ T41] R13: 0000000000000001 R14: 00007fff492c8a32 R15: 0000000000000000
[ 5899.669655][ T41]
[ 5899.669867][ T41] INFO: lockdep is turned off.
[ 5908.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 339s! [kworker/u8:0:11]
[ 5908.598053][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5908.598991][ C0] irq event stamp: 6208419
[ 5908.599221][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5908.599705][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5908.600188][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5908.600675][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5908.601152][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5908.601633][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5908.602260][ C0] Workqueue: netns cleanup_net
[ 5908.602512][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 5908.602779][ 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
[ 5908.603773][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5908.604086][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5908.604492][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5908.604897][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5908.605303][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5908.605709][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 5908.606116][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5908.606571][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5908.606908][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5908.607316][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5908.607726][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5908.608131][ C0] PKRU: 55555554
[ 5908.608316][ C0] Call Trace:
[ 5908.608492][ C0]
[ 5908.608644][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5908.608914][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5908.609164][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5908.609446][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5908.609724][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5908.610020][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5908.610291][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5908.610608][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5908.610876][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5908.611193][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5908.611493][ C0]
[ 5908.611649][ C0]
[ 5908.611802][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5908.612125][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5908.612426][ C0] ? kasan_report+0x29/0xf0
[ 5908.612666][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5908.612958][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5908.613278][ C0] ? __pfx___schedule+0x10/0x10
[ 5908.613536][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5908.613792][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5908.614069][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5908.614362][ C0] ? lock_acquire+0x1c1/0x220
[ 5908.614606][ C0] ? __mutex_lock+0x33e/0xb10
[ 5908.614850][ C0] ? __mutex_lock+0x811/0xb10
[ 5908.615098][ C0] _raw_spin_lock+0x67/0x80
[ 5908.615334][ C0] __mutex_lock+0x33e/0xb10
[ 5908.615568][ C0] ? __lock_release+0x40f/0x880
[ 5908.615822][ C0] ? __pfx___lock_release+0x10/0x10
[ 5908.616090][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5908.616396][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5908.616658][ C0] ? __pfx___up_read+0x10/0x10
[ 5908.616908][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5908.617181][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5908.617458][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5908.617757][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5908.618057][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5908.618352][ C0] __tcf_action_put+0x3d/0xf0
[ 5908.618596][ C0] tcf_action_destroy+0x43/0x130
[ 5908.618854][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5908.619100][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5908.619427][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5908.619706][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5908.620014][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5908.620314][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5908.620613][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5908.620931][ C0] ? __lock_release+0x40f/0x880
[ 5908.621187][ C0] ? __mutex_lock+0x26e/0xb10
[ 5908.621434][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5908.621722][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5908.622036][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5908.622347][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5908.622602][ C0] tcf_chain_flush+0x1e0/0x320
[ 5908.622852][ C0] __tcf_block_put+0x113/0x270
[ 5908.623101][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5908.623412][ C0] __qdisc_destroy+0xee/0x340
[ 5908.623659][ C0] dev_shutdown+0x129/0x350
[ 5908.623896][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5908.624224][ C0] ? rtnl_is_locked+0x15/0x20
[ 5908.624470][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5908.624792][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5908.625141][ C0] ? mutex_is_locked+0x17/0x50
[ 5908.625389][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5908.625698][ C0] cleanup_net+0x4cf/0xb60
[ 5908.625931][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5908.626221][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5908.626479][ C0] ? lock_acquire+0x1c1/0x220
[ 5908.626724][ C0] ? process_one_work+0x714/0x1310
[ 5908.626992][ C0] process_one_work+0x78c/0x1310
[ 5908.627251][ C0] ? hlock_class+0x4e/0x130
[ 5908.627486][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5908.627768][ C0] ? assign_work+0x16c/0x240
[ 5908.628007][ C0] worker_thread+0x73d/0x1010
[ 5908.628254][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5908.628519][ C0] kthread+0x28f/0x360
[ 5908.628730][ C0] ? __pfx_kthread+0x10/0x10
[ 5908.628971][ C0] ret_from_fork+0x31/0x70
[ 5908.629203][ C0] ? __pfx_kthread+0x10/0x10
[ 5908.629440][ C0] ret_from_fork_asm+0x1b/0x30
[ 5908.629695][ C0]
[ 5936.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 365s! [kworker/u8:0:11]
[ 5936.598026][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 5936.598952][ C0] irq event stamp: 6208419
[ 5936.599179][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 5936.599663][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 5936.600144][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 5936.600631][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 5936.601104][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5936.601584][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5936.602216][ C0] Workqueue: netns cleanup_net
[ 5936.602465][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 5936.602732][ 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
[ 5936.603719][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 5936.604030][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 5936.604437][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5936.604841][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5936.605245][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 5936.605651][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 5936.606059][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5936.606513][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5936.606851][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5936.607257][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5936.607665][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5936.608071][ C0] PKRU: 55555554
[ 5936.608256][ C0] Call Trace:
[ 5936.608427][ C0]
[ 5936.608582][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 5936.608849][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5936.609098][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 5936.609381][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5936.609658][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5936.609955][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5936.610225][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5936.610549][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5936.610816][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5936.611128][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5936.611429][ C0]
[ 5936.611581][ C0]
[ 5936.611736][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5936.612056][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5936.612355][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5936.612657][ C0] ? kasan_report+0xd2/0xf0
[ 5936.612894][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 5936.613185][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5936.613503][ C0] ? __pfx___schedule+0x10/0x10
[ 5936.613760][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5936.614014][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5936.614290][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5936.614578][ C0] ? lock_acquire+0x1c1/0x220
[ 5936.614821][ C0] ? __mutex_lock+0x33e/0xb10
[ 5936.615065][ C0] ? __mutex_lock+0x811/0xb10
[ 5936.615307][ C0] _raw_spin_lock+0x67/0x80
[ 5936.615542][ C0] __mutex_lock+0x33e/0xb10
[ 5936.615777][ C0] ? __lock_release+0x40f/0x880
[ 5936.616029][ C0] ? __pfx___lock_release+0x10/0x10
[ 5936.616297][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5936.616597][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5936.616858][ C0] ? __pfx___up_read+0x10/0x10
[ 5936.617106][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5936.617378][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5936.617654][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5936.617950][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5936.618254][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5936.618544][ C0] __tcf_action_put+0x3d/0xf0
[ 5936.618790][ C0] tcf_action_destroy+0x43/0x130
[ 5936.619046][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5936.619290][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5936.619615][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5936.619894][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5936.620198][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5936.620505][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5936.620795][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5936.621112][ C0] ? __lock_release+0x40f/0x880
[ 5936.621368][ C0] ? __mutex_lock+0x26e/0xb10
[ 5936.621612][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5936.621900][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5936.622214][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5936.622522][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5936.622775][ C0] tcf_chain_flush+0x1e0/0x320
[ 5936.623023][ C0] __tcf_block_put+0x113/0x270
[ 5936.623272][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5936.623581][ C0] __qdisc_destroy+0xee/0x340
[ 5936.623824][ C0] dev_shutdown+0x129/0x350
[ 5936.624060][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5936.624386][ C0] ? rtnl_is_locked+0x15/0x20
[ 5936.624631][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5936.624952][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5936.625298][ C0] ? mutex_is_locked+0x17/0x50
[ 5936.625547][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5936.625852][ C0] cleanup_net+0x4cf/0xb60
[ 5936.626083][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5936.626372][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5936.626627][ C0] ? lock_acquire+0x1c1/0x220
[ 5936.626870][ C0] ? process_one_work+0x714/0x1310
[ 5936.627135][ C0] process_one_work+0x78c/0x1310
[ 5936.627391][ C0] ? hlock_class+0x4e/0x130
[ 5936.627627][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5936.627905][ C0] ? assign_work+0x16c/0x240
[ 5936.628145][ C0] worker_thread+0x73d/0x1010
[ 5936.628390][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5936.628653][ C0] kthread+0x28f/0x360
[ 5936.628866][ C0] ? __pfx_kthread+0x10/0x10
[ 5936.629104][ C0] ret_from_fork+0x31/0x70
[ 5936.629338][ C0] ? __pfx_kthread+0x10/0x10
[ 5936.629581][ C0] ret_from_fork_asm+0x1b/0x30
[ 5936.629833][ C0]
[ 5961.880482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 5961.880856][ C0] rcu: 0-....: (415620 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=104000
[ 5961.881426][ C0] rcu: (t=416167 jiffies g=2451281 q=5511 ncpus=4)
[ 5961.881766][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5961.882246][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5961.882871][ C0] Workqueue: netns cleanup_net
[ 5961.883124][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5961.883458][ 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
[ 5961.884448][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5961.884761][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5961.885169][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5961.885577][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5961.885983][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5961.886392][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5961.886799][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5961.887260][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5961.887599][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5961.888008][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5961.888417][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5961.888824][ C0] PKRU: 55555554
[ 5961.889010][ C0] Call Trace:
[ 5961.889184][ C0]
[ 5961.889336][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 5961.889614][ C0] ? print_cpu_stall+0x263/0x6a0
[ 5961.889873][ C0] ? check_cpu_stall+0x284/0x500
[ 5961.890129][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 5961.890424][ C0] ? rcu_pending+0x92/0x360
[ 5961.890661][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 5961.890935][ C0] ? update_process_times+0xb9/0x110
[ 5961.891209][ C0] ? tick_sched_handle+0x67/0x130
[ 5961.891471][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 5961.891765][ C0] ? __run_hrtimer+0x1c0/0x710
[ 5961.892011][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 5961.892328][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 5961.892608][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 5961.892902][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 5961.893172][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 5961.893485][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 5961.893753][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 5961.894069][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 5961.894371][ C0]
[ 5961.894525][ C0]
[ 5961.894678][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 5961.895000][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5961.895303][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5961.895603][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5961.895922][ C0] ? __pfx___schedule+0x10/0x10
[ 5961.896177][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5961.896432][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5961.896710][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5961.897002][ C0] ? lock_acquire+0x1c1/0x220
[ 5961.897245][ C0] ? __mutex_lock+0x33e/0xb10
[ 5961.897490][ C0] ? __mutex_lock+0x811/0xb10
[ 5961.897734][ C0] _raw_spin_lock+0x67/0x80
[ 5961.897971][ C0] __mutex_lock+0x33e/0xb10
[ 5961.898206][ C0] ? __lock_release+0x40f/0x880
[ 5961.898458][ C0] ? __pfx___lock_release+0x10/0x10
[ 5961.898726][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5961.899029][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5961.899292][ C0] ? __pfx___up_read+0x10/0x10
[ 5961.899545][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5961.899818][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5961.900092][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5961.900398][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5961.900699][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5961.900992][ C0] __tcf_action_put+0x3d/0xf0
[ 5961.901236][ C0] tcf_action_destroy+0x43/0x130
[ 5961.901493][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5961.901739][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5961.902067][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5961.902346][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5961.902652][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5961.902950][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5961.903242][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5961.903558][ C0] ? __lock_release+0x40f/0x880
[ 5961.903811][ C0] ? __mutex_lock+0x26e/0xb10
[ 5961.904056][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5961.904342][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5961.904656][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5961.904967][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5961.905220][ C0] tcf_chain_flush+0x1e0/0x320
[ 5961.905467][ C0] __tcf_block_put+0x113/0x270
[ 5961.905716][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5961.906026][ C0] __qdisc_destroy+0xee/0x340
[ 5961.906271][ C0] dev_shutdown+0x129/0x350
[ 5961.906505][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5961.906832][ C0] ? rtnl_is_locked+0x15/0x20
[ 5961.907086][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5961.907406][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5961.907752][ C0] ? mutex_is_locked+0x17/0x50
[ 5961.908001][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5961.908311][ C0] cleanup_net+0x4cf/0xb60
[ 5961.908543][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5961.908832][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5961.909089][ C0] ? lock_acquire+0x1c1/0x220
[ 5961.909332][ C0] ? process_one_work+0x714/0x1310
[ 5961.909599][ C0] process_one_work+0x78c/0x1310
[ 5961.909856][ C0] ? hlock_class+0x4e/0x130
[ 5961.910091][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5961.910372][ C0] ? assign_work+0x16c/0x240
[ 5961.910611][ C0] worker_thread+0x73d/0x1010
[ 5961.910858][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5961.911122][ C0] kthread+0x28f/0x360
[ 5961.911333][ C0] ? __pfx_kthread+0x10/0x10
[ 5961.911573][ C0] ret_from_fork+0x31/0x70
[ 5961.911802][ C0] ? __pfx_kthread+0x10/0x10
[ 5961.912041][ C0] ret_from_fork_asm+0x1b/0x30
[ 5961.912294][ C0]
[ 5973.357183][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 427371 jiffies s: 77393 root: 0x1/.
[ 5973.357848][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 5973.358224][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 5973.358509][ C0] NMI backtrace for cpu 0
[ 5973.358514][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 5973.358518][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5973.358520][ C0] Workqueue: netns cleanup_net
[ 5973.358527][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 5973.358533][ 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
[ 5973.358535][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 5973.358537][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 5973.358539][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 5973.358540][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 5973.358542][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 5973.358543][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 5973.358545][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 5973.358547][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5973.358550][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 5973.358552][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5973.358553][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5973.358554][ C0] PKRU: 55555554
[ 5973.358555][ C0] Call Trace:
[ 5973.358558][ C0]
[ 5973.358561][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 5973.358566][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 5973.358570][ C0] ? nmi_handle+0x153/0x420
[ 5973.358574][ C0] ? default_do_nmi+0x41/0x100
[ 5973.358578][ C0] ? exc_nmi+0xf3/0x120
[ 5973.358580][ C0] ? end_repeat_nmi+0xf/0x60
[ 5973.358585][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 5973.358588][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5973.358591][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5973.358595][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 5973.358598][ C0]
[ 5973.358599][ C0]
[ 5973.358600][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 5973.358604][ C0] ? __pfx___schedule+0x10/0x10
[ 5973.358609][ C0] do_raw_spin_lock+0x1ec/0x270
[ 5973.358615][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 5973.358618][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5973.358621][ C0] ? lock_acquire+0x1c1/0x220
[ 5973.358624][ C0] ? __mutex_lock+0x33e/0xb10
[ 5973.358628][ C0] ? __mutex_lock+0x811/0xb10
[ 5973.358630][ C0] _raw_spin_lock+0x67/0x80
[ 5973.358633][ C0] __mutex_lock+0x33e/0xb10
[ 5973.358636][ C0] ? __lock_release+0x40f/0x880
[ 5973.358639][ C0] ? __pfx___lock_release+0x10/0x10
[ 5973.358641][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5973.358647][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 5973.358650][ C0] ? __pfx___up_read+0x10/0x10
[ 5973.358654][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 5973.358656][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 5973.358660][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 5973.358666][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 5973.358669][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 5973.358673][ C0] __tcf_action_put+0x3d/0xf0
[ 5973.358678][ C0] tcf_action_destroy+0x43/0x130
[ 5973.358682][ C0] tcf_exts_destroy+0x3c/0xb0
[ 5973.358685][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 5973.358695][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 5973.358703][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 5973.358711][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 5973.358720][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 5973.358729][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 5973.358736][ C0] ? __lock_release+0x40f/0x880
[ 5973.358739][ C0] ? __mutex_lock+0x26e/0xb10
[ 5973.358744][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 5973.358753][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 5973.358761][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 5973.358765][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 5973.358769][ C0] tcf_chain_flush+0x1e0/0x320
[ 5973.358773][ C0] __tcf_block_put+0x113/0x270
[ 5973.358777][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 5973.358785][ C0] __qdisc_destroy+0xee/0x340
[ 5973.358789][ C0] dev_shutdown+0x129/0x350
[ 5973.358793][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 5973.358797][ C0] ? rtnl_is_locked+0x15/0x20
[ 5973.358800][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 5973.358803][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 5973.358806][ C0] ? mutex_is_locked+0x17/0x50
[ 5973.358809][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 5973.358814][ C0] cleanup_net+0x4cf/0xb60
[ 5973.358816][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 5973.358819][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 5973.358822][ C0] ? lock_acquire+0x1c1/0x220
[ 5973.358824][ C0] ? process_one_work+0x714/0x1310
[ 5973.358829][ C0] process_one_work+0x78c/0x1310
[ 5973.358833][ C0] ? hlock_class+0x4e/0x130
[ 5973.358836][ C0] ? __pfx_process_one_work+0x10/0x10
[ 5973.358841][ C0] ? assign_work+0x16c/0x240
[ 5973.358844][ C0] worker_thread+0x73d/0x1010
[ 5973.358849][ C0] ? __pfx_worker_thread+0x10/0x10
[ 5973.358851][ C0] kthread+0x28f/0x360
[ 5973.358854][ C0] ? __pfx_kthread+0x10/0x10
[ 5973.358857][ C0] ret_from_fork+0x31/0x70
[ 5973.358859][ C0] ? __pfx_kthread+0x10/0x10
[ 5973.358861][ C0] ret_from_fork_asm+0x1b/0x30
[ 5973.358868][ C0]
[ 6000.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 425s! [kworker/u8:0:11]
[ 6000.598022][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6000.598955][ C0] irq event stamp: 6208419
[ 6000.599185][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6000.599666][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6000.600153][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6000.600634][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6000.601109][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6000.601592][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6000.602219][ C0] Workqueue: netns cleanup_net
[ 6000.602472][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 6000.602739][ 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
[ 6000.603732][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6000.604045][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6000.604451][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6000.604859][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6000.605269][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6000.605677][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6000.606084][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6000.606539][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6000.606879][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6000.607292][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6000.607700][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6000.608107][ C0] PKRU: 55555554
[ 6000.608293][ C0] Call Trace:
[ 6000.608470][ C0]
[ 6000.608621][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6000.608890][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6000.609139][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6000.609422][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6000.609703][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6000.609997][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6000.610274][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6000.610588][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6000.610857][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6000.611175][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6000.611477][ C0]
[ 6000.611633][ C0]
[ 6000.611786][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6000.612115][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6000.612413][ C0] ? kasan_report+0x19/0xf0
[ 6000.612651][ C0] kasan_check_range+0x39/0x1c0
[ 6000.612905][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6000.613193][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6000.613512][ C0] ? __pfx___schedule+0x10/0x10
[ 6000.613768][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6000.614024][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6000.614301][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6000.614596][ C0] ? lock_acquire+0x1c1/0x220
[ 6000.614843][ C0] ? __mutex_lock+0x33e/0xb10
[ 6000.615088][ C0] ? __mutex_lock+0x811/0xb10
[ 6000.615333][ C0] _raw_spin_lock+0x67/0x80
[ 6000.615571][ C0] __mutex_lock+0x33e/0xb10
[ 6000.615806][ C0] ? __lock_release+0x40f/0x880
[ 6000.616060][ C0] ? __pfx___lock_release+0x10/0x10
[ 6000.616329][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6000.616634][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6000.616897][ C0] ? __pfx___up_read+0x10/0x10
[ 6000.617148][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6000.617421][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6000.617697][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6000.617997][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6000.618297][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6000.618592][ C0] __tcf_action_put+0x3d/0xf0
[ 6000.618838][ C0] tcf_action_destroy+0x43/0x130
[ 6000.619096][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6000.619343][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6000.619670][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6000.619950][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6000.620262][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6000.620563][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6000.620859][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6000.621177][ C0] ? __lock_release+0x40f/0x880
[ 6000.621429][ C0] ? __mutex_lock+0x26e/0xb10
[ 6000.621676][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6000.621966][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6000.622281][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6000.622595][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6000.622850][ C0] tcf_chain_flush+0x1e0/0x320
[ 6000.623100][ C0] __tcf_block_put+0x113/0x270
[ 6000.623349][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6000.623661][ C0] __qdisc_destroy+0xee/0x340
[ 6000.623907][ C0] dev_shutdown+0x129/0x350
[ 6000.624144][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6000.624475][ C0] ? rtnl_is_locked+0x15/0x20
[ 6000.624720][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6000.625043][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6000.625393][ C0] ? mutex_is_locked+0x17/0x50
[ 6000.625642][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6000.625952][ C0] cleanup_net+0x4cf/0xb60
[ 6000.626185][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6000.626476][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6000.626734][ C0] ? lock_acquire+0x1c1/0x220
[ 6000.626979][ C0] ? process_one_work+0x714/0x1310
[ 6000.627247][ C0] process_one_work+0x78c/0x1310
[ 6000.627506][ C0] ? hlock_class+0x4e/0x130
[ 6000.627741][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6000.628022][ C0] ? assign_work+0x16c/0x240
[ 6000.628262][ C0] worker_thread+0x73d/0x1010
[ 6000.628511][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6000.628776][ C0] kthread+0x28f/0x360
[ 6000.628987][ C0] ? __pfx_kthread+0x10/0x10
[ 6000.629229][ C0] ret_from_fork+0x31/0x70
[ 6000.629462][ C0] ? __pfx_kthread+0x10/0x10
[ 6000.629700][ C0] ret_from_fork_asm+0x1b/0x30
[ 6000.629956][ C0]
[ 6022.509863][ T41] INFO: task kworker/u8:1:71 blocked for more than 245 seconds.
[ 6022.510314][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 6022.510736][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6022.511177][ T41] task:kworker/u8:1 state:D stack:29104 pid:71 tgid:71 ppid:2 flags:0x00004000
[ 6022.511710][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 6022.512036][ T41] Call Trace:
[ 6022.512210][ T41]
[ 6022.512365][ T41] __schedule+0x705/0x1ac0
[ 6022.512607][ T41] ? __pfx___schedule+0x10/0x10
[ 6022.512862][ T41] ? __mutex_trylock_common+0x79/0x260
[ 6022.513144][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 6022.513413][ T41] ? lock_acquire+0x1c1/0x220
[ 6022.513663][ T41] ? schedule+0x163/0x280
[ 6022.513887][ T41] schedule+0xeb/0x280
[ 6022.514101][ T41] schedule_preempt_disabled+0x15/0x30
[ 6022.514383][ T41] __mutex_lock+0x5e4/0xb10
[ 6022.514626][ T41] ? addrconf_verify_work+0x12/0x30
[ 6022.514894][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 6022.515157][ T41] ? addrconf_verify_work+0x12/0x30
[ 6022.515424][ T41] addrconf_verify_work+0x12/0x30
[ 6022.515691][ T41] process_one_work+0x78c/0x1310
[ 6022.515950][ T41] ? __pfx_process_one_work+0x10/0x10
[ 6022.516228][ T41] ? assign_work+0x16c/0x240
[ 6022.516466][ T41] ? lock_release+0x1d5/0x250
[ 6022.516715][ T41] worker_thread+0x73d/0x1010
[ 6022.516962][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6022.517227][ T41] kthread+0x28f/0x360
[ 6022.517439][ T41] ? __pfx_kthread+0x10/0x10
[ 6022.517683][ T41] ret_from_fork+0x31/0x70
[ 6022.517913][ T41] ? __pfx_kthread+0x10/0x10
[ 6022.518156][ T41] ret_from_fork_asm+0x1b/0x30
[ 6022.518412][ T41]
[ 6022.518578][ T41] INFO: task kworker/3:2:16358 blocked for more than 368 seconds.
[ 6022.518976][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 6022.519333][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6022.519780][ T41] task:kworker/3:2 state:D stack:26944 pid:16358 tgid:16358 ppid:2 flags:0x00004000
[ 6022.520310][ T41] Workqueue: events linkwatch_event
[ 6022.520585][ T41] Call Trace:
[ 6022.520758][ T41]
[ 6022.520911][ T41] __schedule+0x705/0x1ac0
[ 6022.521144][ T41] ? __pfx___schedule+0x10/0x10
[ 6022.521396][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 6022.521676][ T41] schedule+0xeb/0x280
[ 6022.521888][ T41] schedule_preempt_disabled+0x15/0x30
[ 6022.522169][ T41] __mutex_lock+0x5e4/0xb10
[ 6022.522405][ T41] ? linkwatch_event+0xe/0x60
[ 6022.522655][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 6022.522916][ T41] ? __pfx_debug_object_deactivate+0x10/0x10
[ 6022.523229][ T41] ? lock_acquire+0x1c1/0x220
[ 6022.523471][ T41] ? linkwatch_event+0xe/0x60
[ 6022.523718][ T41] linkwatch_event+0xe/0x60
[ 6022.523954][ T41] process_one_work+0x78c/0x1310
[ 6022.524213][ T41] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6022.524508][ T41] ? __pfx_process_one_work+0x10/0x10
[ 6022.524791][ T41] ? assign_work+0x16c/0x240
[ 6022.525031][ T41] worker_thread+0x73d/0x1010
[ 6022.525276][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 6022.525620][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6022.525886][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6022.526151][ T41] kthread+0x28f/0x360
[ 6022.526363][ T41] ? __pfx_kthread+0x10/0x10
[ 6022.526607][ T41] ret_from_fork+0x31/0x70
[ 6022.526837][ T41] ? __pfx_kthread+0x10/0x10
[ 6022.527076][ T41] ret_from_fork_asm+0x1b/0x30
[ 6022.527328][ T41]
[ 6022.527494][ T41] INFO: task ip:19040 blocked for more than 368 seconds.
[ 6022.527855][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 6022.528212][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6022.528657][ T41] task:ip state:D stack:26608 pid:19040 tgid:19040 ppid:18770 flags:0x00004002
[ 6022.529185][ T41] Call Trace:
[ 6022.529359][ T41]
[ 6022.529517][ T41] __schedule+0x705/0x1ac0
[ 6022.529751][ T41] ? __pfx___schedule+0x10/0x10
[ 6022.530003][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 6022.530277][ T41] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6022.530574][ T41] ? lock_acquire+0x1c1/0x220
[ 6022.530819][ T41] ? lock_acquire+0x1c1/0x220
[ 6022.531062][ T41] ? schedule+0x163/0x280
[ 6022.531288][ T41] schedule+0xeb/0x280
[ 6022.531507][ T41] synchronize_rcu_expedited+0x3c8/0x500
[ 6022.531798][ T41] ? __pfx_synchronize_rcu_expedited+0x10/0x10
[ 6022.532117][ T41] ? __pfx_autoremove_wake_function+0x10/0x10
[ 6022.532432][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 6022.532751][ T41] ? __pfx_wait_rcu_exp_gp+0x10/0x10
[ 6022.533027][ T41] ? trace_irq_enable.constprop.0+0xd4/0x100
[ 6022.533340][ T41] ? mnt_release_group_id+0x44/0x90
[ 6022.533619][ T41] ? __up_write+0x190/0x520
[ 6022.533860][ T41] namespace_unlock+0x1a4/0x420
[ 6022.534112][ T41] ? umount_tree+0x6ee/0xfb0
[ 6022.534351][ T41] ? __pfx_namespace_unlock+0x10/0x10
[ 6022.534635][ T41] ? __pfx_umount_tree+0x10/0x10
[ 6022.534893][ T41] ? lock_acquire+0x1c1/0x220
[ 6022.535137][ T41] do_umount+0x378/0xb10
[ 6022.535360][ T41] ? __pfx_do_umount+0x10/0x10
[ 6022.535613][ T41] ? user_path_at_empty+0x49/0x60
[ 6022.535875][ T41] ? __kasan_slab_free+0x107/0x1c0
[ 6022.536142][ T41] path_umount+0x1f6/0x360
[ 6022.536372][ T41] __x64_sys_umount+0x10b/0x130
[ 6022.536629][ T41] ? __pfx___x64_sys_umount+0x10/0x10
[ 6022.536907][ T41] ? do_user_addr_fault+0x46e/0xba0
[ 6022.537178][ T41] do_syscall_64+0xc9/0x1e0
[ 6022.537414][ T41] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 6022.537728][ T41] RIP: 0033:0x7fade615b63b
[ 6022.537961][ T41] RSP: 002b:00007fff492c5b58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 6022.538389][ T41] RAX: ffffffffffffffda RBX: 000000000046d7b0 RCX: 00007fade615b63b
[ 6022.538801][ T41] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff492c5b60
[ 6022.539208][ T41] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fff492c59f0
[ 6022.539619][ T41] R10: 00007fade60218d0 R11: 0000000000000202 R12: 00007fff492c6d10
[ 6022.540030][ T41] R13: 0000000000000001 R14: 00007fff492c8a32 R15: 0000000000000000
[ 6022.540441][ T41]
[ 6022.540607][ T41] INFO: lockdep is turned off.
[ 6028.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 451s! [kworker/u8:0:11]
[ 6028.598038][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6028.598972][ C0] irq event stamp: 6208419
[ 6028.599201][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6028.599683][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6028.600167][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6028.600654][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6028.601129][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6028.601608][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6028.602231][ C0] Workqueue: netns cleanup_net
[ 6028.602482][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 6028.602748][ 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
[ 6028.603738][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6028.604052][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6028.604458][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6028.604864][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6028.605269][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6028.605678][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6028.606084][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6028.606538][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6028.606876][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6028.607284][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6028.607693][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6028.608100][ C0] PKRU: 55555554
[ 6028.608285][ C0] Call Trace:
[ 6028.608460][ C0]
[ 6028.608614][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6028.608883][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6028.609133][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6028.609415][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6028.609694][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6028.609997][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6028.610269][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6028.610581][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6028.610848][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6028.611164][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6028.611466][ C0]
[ 6028.611619][ C0]
[ 6028.611774][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6028.612098][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6028.612392][ C0] ? kasan_report+0x19/0xf0
[ 6028.612633][ C0] kasan_check_range+0x39/0x1c0
[ 6028.612888][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6028.613175][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6028.613495][ C0] ? __pfx___schedule+0x10/0x10
[ 6028.613750][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6028.614005][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6028.614283][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6028.614574][ C0] ? lock_acquire+0x1c1/0x220
[ 6028.614818][ C0] ? __mutex_lock+0x33e/0xb10
[ 6028.615064][ C0] ? __mutex_lock+0x811/0xb10
[ 6028.615309][ C0] _raw_spin_lock+0x67/0x80
[ 6028.615543][ C0] __mutex_lock+0x33e/0xb10
[ 6028.615781][ C0] ? __lock_release+0x40f/0x880
[ 6028.616035][ C0] ? __pfx___lock_release+0x10/0x10
[ 6028.616304][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6028.616608][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6028.616870][ C0] ? __pfx___up_read+0x10/0x10
[ 6028.617117][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6028.617397][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6028.617676][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6028.617973][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6028.618276][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6028.618568][ C0] __tcf_action_put+0x3d/0xf0
[ 6028.618815][ C0] tcf_action_destroy+0x43/0x130
[ 6028.619073][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6028.619319][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6028.619646][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6028.619925][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6028.620235][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6028.620537][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6028.620828][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6028.621147][ C0] ? __lock_release+0x40f/0x880
[ 6028.621400][ C0] ? __mutex_lock+0x26e/0xb10
[ 6028.621646][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6028.621934][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6028.622249][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6028.622561][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6028.622814][ C0] tcf_chain_flush+0x1e0/0x320
[ 6028.623063][ C0] __tcf_block_put+0x113/0x270
[ 6028.623315][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6028.623626][ C0] __qdisc_destroy+0xee/0x340
[ 6028.623871][ C0] dev_shutdown+0x129/0x350
[ 6028.624106][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6028.624435][ C0] ? rtnl_is_locked+0x15/0x20
[ 6028.624681][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6028.625004][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6028.625350][ C0] ? mutex_is_locked+0x17/0x50
[ 6028.625600][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6028.625909][ C0] cleanup_net+0x4cf/0xb60
[ 6028.626139][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6028.626431][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6028.626688][ C0] ? lock_acquire+0x1c1/0x220
[ 6028.626929][ C0] ? process_one_work+0x714/0x1310
[ 6028.627195][ C0] process_one_work+0x78c/0x1310
[ 6028.627455][ C0] ? hlock_class+0x4e/0x130
[ 6028.627693][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6028.627972][ C0] ? assign_work+0x16c/0x240
[ 6028.628217][ C0] worker_thread+0x73d/0x1010
[ 6028.628464][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6028.628731][ C0] kthread+0x28f/0x360
[ 6028.628943][ C0] ? __pfx_kthread+0x10/0x10
[ 6028.629183][ C0] ret_from_fork+0x31/0x70
[ 6028.629413][ C0] ? __pfx_kthread+0x10/0x10
[ 6028.629653][ C0] ret_from_fork_asm+0x1b/0x30
[ 6028.629908][ C0]
[ 6039.914482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6039.914855][ C0] rcu: 0-....: (493536 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=123502
[ 6039.915425][ C0] rcu: (t=494201 jiffies g=2451281 q=5543 ncpus=4)
[ 6039.915762][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6039.916246][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6039.916868][ C0] Workqueue: netns cleanup_net
[ 6039.917122][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6039.917390][ 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
[ 6039.918380][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6039.918695][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6039.919101][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6039.919510][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6039.919918][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6039.920328][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6039.920734][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6039.921189][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6039.921529][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6039.921940][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6039.922347][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6039.922752][ C0] PKRU: 55555554
[ 6039.922937][ C0] Call Trace:
[ 6039.923111][ C0]
[ 6039.923261][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6039.923539][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6039.923798][ C0] ? check_cpu_stall+0x284/0x500
[ 6039.924053][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6039.924348][ C0] ? rcu_pending+0x92/0x360
[ 6039.924582][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6039.924858][ C0] ? update_process_times+0xb9/0x110
[ 6039.925134][ C0] ? tick_sched_handle+0x67/0x130
[ 6039.925397][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6039.925687][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6039.925935][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6039.926254][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6039.926531][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6039.926825][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6039.927096][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6039.927407][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6039.927675][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6039.927989][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6039.928293][ C0]
[ 6039.928446][ C0]
[ 6039.928602][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6039.928922][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6039.929225][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6039.929528][ C0] ? kasan_report+0xd2/0xf0
[ 6039.929767][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6039.930072][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6039.930395][ C0] ? __pfx___schedule+0x10/0x10
[ 6039.930650][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6039.930905][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6039.931183][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6039.931474][ C0] ? lock_acquire+0x1c1/0x220
[ 6039.931718][ C0] ? __mutex_lock+0x33e/0xb10
[ 6039.931964][ C0] ? __mutex_lock+0x811/0xb10
[ 6039.932206][ C0] _raw_spin_lock+0x67/0x80
[ 6039.932442][ C0] __mutex_lock+0x33e/0xb10
[ 6039.932679][ C0] ? __lock_release+0x40f/0x880
[ 6039.932932][ C0] ? __pfx___lock_release+0x10/0x10
[ 6039.933201][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6039.933506][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6039.933767][ C0] ? __pfx___up_read+0x10/0x10
[ 6039.934017][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6039.934288][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6039.934564][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6039.934862][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6039.935165][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6039.935457][ C0] __tcf_action_put+0x3d/0xf0
[ 6039.935703][ C0] tcf_action_destroy+0x43/0x130
[ 6039.935961][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6039.936205][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6039.936530][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6039.936812][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6039.937118][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6039.937420][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6039.937712][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6039.938031][ C0] ? __lock_release+0x40f/0x880
[ 6039.938285][ C0] ? __mutex_lock+0x26e/0xb10
[ 6039.938530][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6039.938819][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6039.939133][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6039.939445][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6039.939699][ C0] tcf_chain_flush+0x1e0/0x320
[ 6039.939953][ C0] __tcf_block_put+0x113/0x270
[ 6039.940203][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6039.940514][ C0] __qdisc_destroy+0xee/0x340
[ 6039.940760][ C0] dev_shutdown+0x129/0x350
[ 6039.940998][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6039.941326][ C0] ? rtnl_is_locked+0x15/0x20
[ 6039.941572][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6039.941894][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6039.942242][ C0] ? mutex_is_locked+0x17/0x50
[ 6039.942491][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6039.942796][ C0] cleanup_net+0x4cf/0xb60
[ 6039.943031][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6039.943319][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6039.943577][ C0] ? lock_acquire+0x1c1/0x220
[ 6039.943822][ C0] ? process_one_work+0x714/0x1310
[ 6039.944088][ C0] process_one_work+0x78c/0x1310
[ 6039.944346][ C0] ? hlock_class+0x4e/0x130
[ 6039.944583][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6039.944862][ C0] ? assign_work+0x16c/0x240
[ 6039.945103][ C0] worker_thread+0x73d/0x1010
[ 6039.945348][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6039.945614][ C0] kthread+0x28f/0x360
[ 6039.945827][ C0] ? __pfx_kthread+0x10/0x10
[ 6039.946064][ C0] ret_from_fork+0x31/0x70
[ 6039.946298][ C0] ? __pfx_kthread+0x10/0x10
[ 6039.946537][ C0] ret_from_fork_asm+0x1b/0x30
[ 6039.946789][ C0]
[ 6064.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 485s! [kworker/u8:0:11]
[ 6064.598026][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6064.598956][ C0] irq event stamp: 6208419
[ 6064.599185][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6064.599664][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6064.600152][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6064.600631][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6064.601103][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6064.601587][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6064.602209][ C0] Workqueue: netns cleanup_net
[ 6064.602459][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6064.602789][ 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
[ 6064.603781][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6064.604094][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6064.604499][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6064.604907][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6064.605314][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6064.605720][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6064.606126][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6064.606581][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6064.606921][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6064.607334][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6064.607741][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6064.608146][ C0] PKRU: 55555554
[ 6064.608333][ C0] Call Trace:
[ 6064.608510][ C0]
[ 6064.608660][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6064.608928][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6064.609177][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6064.609460][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6064.609740][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6064.610038][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6064.610308][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6064.610621][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6064.610891][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6064.611206][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6064.611508][ C0]
[ 6064.611660][ C0]
[ 6064.611813][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6064.612134][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6064.612435][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6064.612735][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6064.613052][ C0] ? __pfx___schedule+0x10/0x10
[ 6064.613306][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6064.613561][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6064.613837][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6064.614129][ C0] ? lock_acquire+0x1c1/0x220
[ 6064.614371][ C0] ? __mutex_lock+0x33e/0xb10
[ 6064.614619][ C0] ? __mutex_lock+0x811/0xb10
[ 6064.614864][ C0] _raw_spin_lock+0x67/0x80
[ 6064.615100][ C0] __mutex_lock+0x33e/0xb10
[ 6064.615336][ C0] ? __lock_release+0x40f/0x880
[ 6064.615588][ C0] ? __pfx___lock_release+0x10/0x10
[ 6064.615854][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6064.616157][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6064.616418][ C0] ? __pfx___up_read+0x10/0x10
[ 6064.616667][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6064.616940][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6064.617212][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6064.617510][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6064.617809][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6064.618101][ C0] __tcf_action_put+0x3d/0xf0
[ 6064.618345][ C0] tcf_action_destroy+0x43/0x130
[ 6064.618603][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6064.618848][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6064.619172][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6064.619451][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6064.619757][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6064.620062][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6064.620355][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6064.620672][ C0] ? __lock_release+0x40f/0x880
[ 6064.620923][ C0] ? __mutex_lock+0x26e/0xb10
[ 6064.621169][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6064.621456][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6064.621771][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6064.622083][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6064.622337][ C0] tcf_chain_flush+0x1e0/0x320
[ 6064.622587][ C0] __tcf_block_put+0x113/0x270
[ 6064.622834][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6064.623144][ C0] __qdisc_destroy+0xee/0x340
[ 6064.623392][ C0] dev_shutdown+0x129/0x350
[ 6064.623628][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6064.623955][ C0] ? rtnl_is_locked+0x15/0x20
[ 6064.624200][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6064.624520][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6064.624867][ C0] ? mutex_is_locked+0x17/0x50
[ 6064.625115][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6064.625423][ C0] cleanup_net+0x4cf/0xb60
[ 6064.625655][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6064.625945][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6064.626202][ C0] ? lock_acquire+0x1c1/0x220
[ 6064.626446][ C0] ? process_one_work+0x714/0x1310
[ 6064.626714][ C0] process_one_work+0x78c/0x1310
[ 6064.626972][ C0] ? hlock_class+0x4e/0x130
[ 6064.627205][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6064.627484][ C0] ? assign_work+0x16c/0x240
[ 6064.627723][ C0] worker_thread+0x73d/0x1010
[ 6064.627969][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6064.628233][ C0] kthread+0x28f/0x360
[ 6064.628444][ C0] ? __pfx_kthread+0x10/0x10
[ 6064.628684][ C0] ret_from_fork+0x31/0x70
[ 6064.628915][ C0] ? __pfx_kthread+0x10/0x10
[ 6064.629153][ C0] ret_from_fork_asm+0x1b/0x30
[ 6064.629406][ C0]
[ 6071.660503][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 525675 jiffies s: 77393 root: 0x1/.
[ 6071.661144][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6071.661520][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6071.661797][ C0] NMI backtrace for cpu 0
[ 6071.661801][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6071.661805][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6071.661807][ C0] Workqueue: netns cleanup_net
[ 6071.661811][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 6071.661817][ 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
[ 6071.661819][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6071.661821][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6071.661823][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6071.661825][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6071.661826][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6071.661827][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 6071.661829][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6071.661831][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6071.661834][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6071.661835][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6071.661836][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6071.661837][ C0] PKRU: 55555554
[ 6071.661838][ C0] Call Trace:
[ 6071.661840][ C0]
[ 6071.661842][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6071.661847][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6071.661851][ C0] ? nmi_handle+0x153/0x420
[ 6071.661856][ C0] ? default_do_nmi+0x41/0x100
[ 6071.661859][ C0] ? exc_nmi+0xf3/0x120
[ 6071.661862][ C0] ? end_repeat_nmi+0xf/0x60
[ 6071.661866][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6071.661871][ C0] ? kasan_report+0x22/0xf0
[ 6071.661874][ C0] ? kasan_report+0x22/0xf0
[ 6071.661877][ C0] ? kasan_report+0x22/0xf0
[ 6071.661880][ C0]
[ 6071.661881][ C0]
[ 6071.661884][ C0] kasan_check_range+0x39/0x1c0
[ 6071.661889][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6071.661892][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6071.661896][ C0] ? __pfx___schedule+0x10/0x10
[ 6071.661900][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6071.661905][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6071.661907][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6071.661910][ C0] ? lock_acquire+0x1c1/0x220
[ 6071.661912][ C0] ? __mutex_lock+0x33e/0xb10
[ 6071.661916][ C0] ? __mutex_lock+0x811/0xb10
[ 6071.661919][ C0] _raw_spin_lock+0x67/0x80
[ 6071.661922][ C0] __mutex_lock+0x33e/0xb10
[ 6071.661924][ C0] ? __lock_release+0x40f/0x880
[ 6071.661927][ C0] ? __pfx___lock_release+0x10/0x10
[ 6071.661930][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6071.661934][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6071.661937][ C0] ? __pfx___up_read+0x10/0x10
[ 6071.661940][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6071.661943][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6071.661946][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6071.661952][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6071.661955][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6071.661958][ C0] __tcf_action_put+0x3d/0xf0
[ 6071.661962][ C0] tcf_action_destroy+0x43/0x130
[ 6071.661965][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6071.661967][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6071.661976][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6071.661985][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6071.661993][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6071.662001][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6071.662010][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6071.662018][ C0] ? __lock_release+0x40f/0x880
[ 6071.662021][ C0] ? __mutex_lock+0x26e/0xb10
[ 6071.662025][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6071.662034][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6071.662042][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6071.662046][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6071.662050][ C0] tcf_chain_flush+0x1e0/0x320
[ 6071.662054][ C0] __tcf_block_put+0x113/0x270
[ 6071.662058][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6071.662065][ C0] __qdisc_destroy+0xee/0x340
[ 6071.662068][ C0] dev_shutdown+0x129/0x350
[ 6071.662071][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6071.662075][ C0] ? rtnl_is_locked+0x15/0x20
[ 6071.662079][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6071.662081][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6071.662085][ C0] ? mutex_is_locked+0x17/0x50
[ 6071.662087][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6071.662091][ C0] cleanup_net+0x4cf/0xb60
[ 6071.662094][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6071.662096][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6071.662099][ C0] ? lock_acquire+0x1c1/0x220
[ 6071.662101][ C0] ? process_one_work+0x714/0x1310
[ 6071.662105][ C0] process_one_work+0x78c/0x1310
[ 6071.662109][ C0] ? hlock_class+0x4e/0x130
[ 6071.662112][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6071.662116][ C0] ? assign_work+0x16c/0x240
[ 6071.662119][ C0] worker_thread+0x73d/0x1010
[ 6071.662124][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6071.662127][ C0] kthread+0x28f/0x360
[ 6071.662128][ C0] ? __pfx_kthread+0x10/0x10
[ 6071.662131][ C0] ret_from_fork+0x31/0x70
[ 6071.662133][ C0] ? __pfx_kthread+0x10/0x10
[ 6071.662134][ C0] ret_from_fork_asm+0x1b/0x30
[ 6071.662141][ C0]
[ 6096.597572][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 514s! [kworker/u8:0:11]
[ 6096.598029][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6096.598959][ C0] irq event stamp: 6208419
[ 6096.599188][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6096.599670][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6096.600155][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6096.600637][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6096.601110][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6096.601593][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6096.602213][ C0] Workqueue: netns cleanup_net
[ 6096.602464][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6096.602794][ 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
[ 6096.603784][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6096.604098][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6096.604503][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6096.604911][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6096.605318][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6096.605724][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6096.606130][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6096.606584][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6096.606925][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6096.607336][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6096.607742][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6096.608146][ C0] PKRU: 55555554
[ 6096.608331][ C0] Call Trace:
[ 6096.608507][ C0]
[ 6096.608658][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6096.608926][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6096.609175][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6096.609457][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6096.609742][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6096.610035][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6096.610305][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6096.610621][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6096.610887][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6096.611203][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6096.611503][ C0]
[ 6096.611656][ C0]
[ 6096.611807][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6096.612128][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6096.612430][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6096.612730][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6096.613047][ C0] ? __pfx___schedule+0x10/0x10
[ 6096.613301][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6096.613556][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6096.613831][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6096.614123][ C0] ? lock_acquire+0x1c1/0x220
[ 6096.614364][ C0] ? __mutex_lock+0x33e/0xb10
[ 6096.614608][ C0] ? __mutex_lock+0x811/0xb10
[ 6096.614853][ C0] _raw_spin_lock+0x67/0x80
[ 6096.615089][ C0] __mutex_lock+0x33e/0xb10
[ 6096.615322][ C0] ? __lock_release+0x40f/0x880
[ 6096.615574][ C0] ? __pfx___lock_release+0x10/0x10
[ 6096.615841][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6096.616145][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6096.616405][ C0] ? __pfx___up_read+0x10/0x10
[ 6096.616655][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6096.616927][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6096.617201][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6096.617502][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6096.617802][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6096.618094][ C0] __tcf_action_put+0x3d/0xf0
[ 6096.618337][ C0] tcf_action_destroy+0x43/0x130
[ 6096.618595][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6096.618839][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6096.619164][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6096.619443][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6096.619757][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6096.620056][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6096.620350][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6096.620667][ C0] ? __lock_release+0x40f/0x880
[ 6096.620918][ C0] ? __mutex_lock+0x26e/0xb10
[ 6096.621163][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6096.621450][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6096.621765][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6096.622077][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6096.622330][ C0] tcf_chain_flush+0x1e0/0x320
[ 6096.622583][ C0] __tcf_block_put+0x113/0x270
[ 6096.622830][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6096.623140][ C0] __qdisc_destroy+0xee/0x340
[ 6096.623385][ C0] dev_shutdown+0x129/0x350
[ 6096.623620][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6096.623947][ C0] ? rtnl_is_locked+0x15/0x20
[ 6096.624191][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6096.624512][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6096.624859][ C0] ? mutex_is_locked+0x17/0x50
[ 6096.625106][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6096.625413][ C0] cleanup_net+0x4cf/0xb60
[ 6096.625645][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6096.625937][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6096.626193][ C0] ? lock_acquire+0x1c1/0x220
[ 6096.626437][ C0] ? process_one_work+0x714/0x1310
[ 6096.626703][ C0] process_one_work+0x78c/0x1310
[ 6096.626961][ C0] ? hlock_class+0x4e/0x130
[ 6096.627195][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6096.627474][ C0] ? assign_work+0x16c/0x240
[ 6096.627714][ C0] worker_thread+0x73d/0x1010
[ 6096.627961][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6096.628223][ C0] kthread+0x28f/0x360
[ 6096.628434][ C0] ? __pfx_kthread+0x10/0x10
[ 6096.628675][ C0] ret_from_fork+0x31/0x70
[ 6096.628905][ C0] ? __pfx_kthread+0x10/0x10
[ 6096.629142][ C0] ret_from_fork_asm+0x1b/0x30
[ 6096.629395][ C0]
[ 6117.949482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6117.949859][ C0] rcu: 0-....: (571452 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=143004
[ 6117.950427][ C0] rcu: (t=572236 jiffies g=2451281 q=5570 ncpus=4)
[ 6117.950767][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6117.951248][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6117.951875][ C0] Workqueue: netns cleanup_net
[ 6117.952130][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6117.952468][ 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
[ 6117.953460][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6117.953775][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6117.954182][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6117.954590][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6117.954997][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6117.955407][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6117.955814][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6117.956270][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6117.956610][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6117.957017][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6117.957427][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6117.957833][ C0] PKRU: 55555554
[ 6117.958020][ C0] Call Trace:
[ 6117.958193][ C0]
[ 6117.958346][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6117.958625][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6117.958883][ C0] ? check_cpu_stall+0x284/0x500
[ 6117.959140][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6117.959432][ C0] ? rcu_pending+0x92/0x360
[ 6117.959676][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6117.959951][ C0] ? update_process_times+0xb9/0x110
[ 6117.960226][ C0] ? tick_sched_handle+0x67/0x130
[ 6117.960488][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6117.960781][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6117.961029][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6117.961347][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6117.961628][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6117.961921][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6117.962191][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6117.962505][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6117.962773][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6117.963089][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6117.963393][ C0]
[ 6117.963547][ C0]
[ 6117.963700][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6117.964022][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6117.964326][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6117.964628][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6117.964946][ C0] ? __pfx___schedule+0x10/0x10
[ 6117.965200][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6117.965455][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6117.965732][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6117.966025][ C0] ? lock_acquire+0x1c1/0x220
[ 6117.966268][ C0] ? __mutex_lock+0x33e/0xb10
[ 6117.966513][ C0] ? __mutex_lock+0x811/0xb10
[ 6117.966759][ C0] _raw_spin_lock+0x67/0x80
[ 6117.966995][ C0] __mutex_lock+0x33e/0xb10
[ 6117.967230][ C0] ? __lock_release+0x40f/0x880
[ 6117.967484][ C0] ? __pfx___lock_release+0x10/0x10
[ 6117.967753][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6117.968061][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6117.968323][ C0] ? __pfx___up_read+0x10/0x10
[ 6117.968574][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6117.968847][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6117.969123][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6117.969422][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6117.969728][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6117.970022][ C0] __tcf_action_put+0x3d/0xf0
[ 6117.970266][ C0] tcf_action_destroy+0x43/0x130
[ 6117.970524][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6117.970771][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6117.971098][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6117.971377][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6117.971688][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6117.971987][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6117.972282][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6117.972601][ C0] ? __lock_release+0x40f/0x880
[ 6117.972854][ C0] ? __mutex_lock+0x26e/0xb10
[ 6117.973101][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6117.973389][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6117.973706][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6117.974017][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6117.974273][ C0] tcf_chain_flush+0x1e0/0x320
[ 6117.974523][ C0] __tcf_block_put+0x113/0x270
[ 6117.974771][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6117.975084][ C0] __qdisc_destroy+0xee/0x340
[ 6117.975330][ C0] dev_shutdown+0x129/0x350
[ 6117.975567][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6117.975896][ C0] ? rtnl_is_locked+0x15/0x20
[ 6117.976142][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6117.976464][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6117.976812][ C0] ? mutex_is_locked+0x17/0x50
[ 6117.977060][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6117.977371][ C0] cleanup_net+0x4cf/0xb60
[ 6117.977603][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6117.977894][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6117.978152][ C0] ? lock_acquire+0x1c1/0x220
[ 6117.978396][ C0] ? process_one_work+0x714/0x1310
[ 6117.978664][ C0] process_one_work+0x78c/0x1310
[ 6117.978924][ C0] ? hlock_class+0x4e/0x130
[ 6117.979159][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6117.979440][ C0] ? assign_work+0x16c/0x240
[ 6117.979686][ C0] worker_thread+0x73d/0x1010
[ 6117.979935][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6117.980199][ C0] kthread+0x28f/0x360
[ 6117.980411][ C0] ? __pfx_kthread+0x10/0x10
[ 6117.980653][ C0] ret_from_fork+0x31/0x70
[ 6117.980884][ C0] ? __pfx_kthread+0x10/0x10
[ 6117.981123][ C0] ret_from_fork_asm+0x1b/0x30
[ 6117.981377][ C0]
[ 6144.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 559s! [kworker/u8:0:11]
[ 6144.598031][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6144.598962][ C0] irq event stamp: 6208419
[ 6144.599191][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6144.599678][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6144.600161][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6144.600643][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6144.601119][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6144.601601][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6144.602226][ C0] Workqueue: netns cleanup_net
[ 6144.602477][ C0] RIP: 0010:queued_spin_lock_slowpath+0xa8/0xb90
[ 6144.602805][ C0] Code: 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 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
[ 6144.603798][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6144.604111][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6144.604520][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6144.604926][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6144.605333][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6144.605742][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6144.606150][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6144.606606][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6144.606944][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6144.607352][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6144.607762][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6144.608169][ C0] PKRU: 55555554
[ 6144.608355][ C0] Call Trace:
[ 6144.608530][ C0]
[ 6144.608684][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6144.608952][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6144.609201][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6144.609489][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6144.609768][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6144.610064][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6144.610337][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6144.610650][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6144.610918][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6144.611234][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6144.611537][ C0]
[ 6144.611691][ C0]
[ 6144.611846][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6144.612170][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6144.612471][ C0] ? queued_spin_lock_slowpath+0xa8/0xb90
[ 6144.612769][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6144.613089][ C0] ? __pfx___schedule+0x10/0x10
[ 6144.613345][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6144.613601][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6144.613881][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6144.614171][ C0] ? lock_acquire+0x1c1/0x220
[ 6144.614416][ C0] ? __mutex_lock+0x33e/0xb10
[ 6144.614663][ C0] ? __mutex_lock+0x811/0xb10
[ 6144.614906][ C0] _raw_spin_lock+0x67/0x80
[ 6144.615144][ C0] __mutex_lock+0x33e/0xb10
[ 6144.615381][ C0] ? __lock_release+0x40f/0x880
[ 6144.615636][ C0] ? __pfx___lock_release+0x10/0x10
[ 6144.615906][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6144.616207][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6144.616475][ C0] ? __pfx___up_read+0x10/0x10
[ 6144.616727][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6144.617000][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6144.617277][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6144.617577][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6144.617883][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6144.618174][ C0] __tcf_action_put+0x3d/0xf0
[ 6144.618421][ C0] tcf_action_destroy+0x43/0x130
[ 6144.618680][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6144.618923][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6144.619249][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6144.619535][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6144.619840][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6144.620142][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6144.620434][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6144.620753][ C0] ? __lock_release+0x40f/0x880
[ 6144.621006][ C0] ? __mutex_lock+0x26e/0xb10
[ 6144.621250][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6144.621540][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6144.621855][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6144.622165][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6144.622420][ C0] tcf_chain_flush+0x1e0/0x320
[ 6144.622670][ C0] __tcf_block_put+0x113/0x270
[ 6144.622920][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6144.623230][ C0] __qdisc_destroy+0xee/0x340
[ 6144.623476][ C0] dev_shutdown+0x129/0x350
[ 6144.623714][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6144.624042][ C0] ? rtnl_is_locked+0x15/0x20
[ 6144.624287][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6144.624609][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6144.624958][ C0] ? mutex_is_locked+0x17/0x50
[ 6144.625206][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6144.625512][ C0] cleanup_net+0x4cf/0xb60
[ 6144.625745][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6144.626034][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6144.626292][ C0] ? lock_acquire+0x1c1/0x220
[ 6144.626537][ C0] ? process_one_work+0x714/0x1310
[ 6144.626803][ C0] process_one_work+0x78c/0x1310
[ 6144.627061][ C0] ? hlock_class+0x4e/0x130
[ 6144.627298][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6144.627578][ C0] ? assign_work+0x16c/0x240
[ 6144.627820][ C0] worker_thread+0x73d/0x1010
[ 6144.628065][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6144.628331][ C0] kthread+0x28f/0x360
[ 6144.628545][ C0] ? __pfx_kthread+0x10/0x10
[ 6144.628783][ C0] ret_from_fork+0x31/0x70
[ 6144.629018][ C0] ? __pfx_kthread+0x10/0x10
[ 6144.629258][ C0] ret_from_fork_asm+0x1b/0x30
[ 6144.629519][ C0]
[ 6145.388513][ T41] INFO: task kworker/u8:1:71 blocked for more than 368 seconds.
[ 6145.388942][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 6145.389304][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6145.389763][ T41] task:kworker/u8:1 state:D stack:29104 pid:71 tgid:71 ppid:2 flags:0x00004000
[ 6145.390293][ T41] Workqueue: ipv6_addrconf addrconf_verify_work
[ 6145.390625][ T41] Call Trace:
[ 6145.390800][ T41]
[ 6145.390956][ T41] __schedule+0x705/0x1ac0
[ 6145.391194][ T41] ? __pfx___schedule+0x10/0x10
[ 6145.391448][ T41] ? __mutex_trylock_common+0x79/0x260
[ 6145.391737][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 6145.392009][ T41] ? lock_acquire+0x1c1/0x220
[ 6145.392253][ T41] ? schedule+0x163/0x280
[ 6145.392478][ T41] schedule+0xeb/0x280
[ 6145.392699][ T41] schedule_preempt_disabled+0x15/0x30
[ 6145.392981][ T41] __mutex_lock+0x5e4/0xb10
[ 6145.393219][ T41] ? addrconf_verify_work+0x12/0x30
[ 6145.393495][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 6145.393761][ T41] ? addrconf_verify_work+0x12/0x30
[ 6145.394030][ T41] addrconf_verify_work+0x12/0x30
[ 6145.394291][ T41] process_one_work+0x78c/0x1310
[ 6145.394556][ T41] ? __pfx_process_one_work+0x10/0x10
[ 6145.394836][ T41] ? assign_work+0x16c/0x240
[ 6145.395076][ T41] ? lock_release+0x1d5/0x250
[ 6145.395322][ T41] worker_thread+0x73d/0x1010
[ 6145.395573][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6145.395839][ T41] kthread+0x28f/0x360
[ 6145.396052][ T41] ? __pfx_kthread+0x10/0x10
[ 6145.396291][ T41] ret_from_fork+0x31/0x70
[ 6145.396526][ T41] ? __pfx_kthread+0x10/0x10
[ 6145.396766][ T41] ret_from_fork_asm+0x1b/0x30
[ 6145.397020][ T41]
[ 6145.397183][ T41] INFO: task kworker/3:2:16358 blocked for more than 491 seconds.
[ 6145.397589][ T41] Tainted: G B L 6.8.0-rc2-virtme #1
[ 6145.397952][ T41] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6145.398401][ T41] task:kworker/3:2 state:D stack:26944 pid:16358 tgid:16358 ppid:2 flags:0x00004000
[ 6145.398935][ T41] Workqueue: events linkwatch_event
[ 6145.399209][ T41] Call Trace:
[ 6145.399384][ T41]
[ 6145.399549][ T41] __schedule+0x705/0x1ac0
[ 6145.399785][ T41] ? __pfx___schedule+0x10/0x10
[ 6145.400041][ T41] ? do_raw_spin_trylock+0xb9/0x190
[ 6145.400316][ T41] schedule+0xeb/0x280
[ 6145.400536][ T41] schedule_preempt_disabled+0x15/0x30
[ 6145.400820][ T41] __mutex_lock+0x5e4/0xb10
[ 6145.401060][ T41] ? linkwatch_event+0xe/0x60
[ 6145.401308][ T41] ? __pfx___mutex_lock+0x10/0x10
[ 6145.401575][ T41] ? __pfx_debug_object_deactivate+0x10/0x10
[ 6145.401891][ T41] ? lock_acquire+0x1c1/0x220
[ 6145.402136][ T41] ? linkwatch_event+0xe/0x60
[ 6145.402378][ T41] linkwatch_event+0xe/0x60
[ 6145.402621][ T41] process_one_work+0x78c/0x1310
[ 6145.402881][ T41] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6145.403171][ T41] ? __pfx_process_one_work+0x10/0x10
[ 6145.403453][ T41] ? assign_work+0x16c/0x240
[ 6145.403697][ T41] worker_thread+0x73d/0x1010
[ 6145.403944][ T41] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 6145.404283][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6145.404556][ T41] ? __pfx_worker_thread+0x10/0x10
[ 6145.404823][ T41] kthread+0x28f/0x360
[ 6145.405038][ T41] ? __pfx_kthread+0x10/0x10
[ 6145.405279][ T41] ret_from_fork+0x31/0x70
[ 6145.405518][ T41] ? __pfx_kthread+0x10/0x10
[ 6145.405760][ T41] ret_from_fork_asm+0x1b/0x30
[ 6145.406013][ T41]
[ 6145.406174][ T41] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 6145.406643][ T41] INFO: lockdep is turned off.
[ 6169.964513][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 623979 jiffies s: 77393 root: 0x1/.
[ 6169.965168][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6169.965549][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6169.965832][ C0] NMI backtrace for cpu 0
[ 6169.965838][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6169.965842][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6169.965844][ C0] Workqueue: netns cleanup_net
[ 6169.965851][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6169.965858][ 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
[ 6169.965860][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6169.965862][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6169.965864][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6169.965865][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6169.965867][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6169.965868][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6169.965870][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6169.965872][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6169.965875][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6169.965877][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6169.965878][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6169.965879][ C0] PKRU: 55555554
[ 6169.965880][ C0] Call Trace:
[ 6169.965884][ C0]
[ 6169.965887][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6169.965892][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6169.965896][ C0] ? nmi_handle+0x153/0x420
[ 6169.965901][ C0] ? default_do_nmi+0x41/0x100
[ 6169.965905][ C0] ? exc_nmi+0xf3/0x120
[ 6169.965907][ C0] ? end_repeat_nmi+0xf/0x60
[ 6169.965911][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6169.965915][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6169.965918][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6169.965921][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6169.965925][ C0]
[ 6169.965925][ C0]
[ 6169.965927][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6169.965931][ C0] ? __pfx___schedule+0x10/0x10
[ 6169.965935][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6169.965941][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6169.965944][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6169.965947][ C0] ? lock_acquire+0x1c1/0x220
[ 6169.965950][ C0] ? __mutex_lock+0x33e/0xb10
[ 6169.965953][ C0] ? __mutex_lock+0x811/0xb10
[ 6169.965956][ C0] _raw_spin_lock+0x67/0x80
[ 6169.965959][ C0] __mutex_lock+0x33e/0xb10
[ 6169.965962][ C0] ? __lock_release+0x40f/0x880
[ 6169.965965][ C0] ? __pfx___lock_release+0x10/0x10
[ 6169.965967][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6169.965973][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6169.965976][ C0] ? __pfx___up_read+0x10/0x10
[ 6169.965980][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6169.965983][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6169.965988][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6169.965995][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6169.965998][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6169.966003][ C0] __tcf_action_put+0x3d/0xf0
[ 6169.966007][ C0] tcf_action_destroy+0x43/0x130
[ 6169.966011][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6169.966014][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6169.966025][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6169.966033][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6169.966041][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6169.966050][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6169.966059][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6169.966067][ C0] ? __lock_release+0x40f/0x880
[ 6169.966070][ C0] ? __mutex_lock+0x26e/0xb10
[ 6169.966074][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6169.966083][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6169.966091][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6169.966095][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6169.966099][ C0] tcf_chain_flush+0x1e0/0x320
[ 6169.966103][ C0] __tcf_block_put+0x113/0x270
[ 6169.966107][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6169.966115][ C0] __qdisc_destroy+0xee/0x340
[ 6169.966119][ C0] dev_shutdown+0x129/0x350
[ 6169.966123][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6169.966127][ C0] ? rtnl_is_locked+0x15/0x20
[ 6169.966130][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6169.966133][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6169.966136][ C0] ? mutex_is_locked+0x17/0x50
[ 6169.966138][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6169.966144][ C0] cleanup_net+0x4cf/0xb60
[ 6169.966146][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6169.966149][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6169.966152][ C0] ? lock_acquire+0x1c1/0x220
[ 6169.966154][ C0] ? process_one_work+0x714/0x1310
[ 6169.966159][ C0] process_one_work+0x78c/0x1310
[ 6169.966163][ C0] ? hlock_class+0x4e/0x130
[ 6169.966166][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6169.966170][ C0] ? assign_work+0x16c/0x240
[ 6169.966174][ C0] worker_thread+0x73d/0x1010
[ 6169.966179][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6169.966181][ C0] kthread+0x28f/0x360
[ 6169.966184][ C0] ? __pfx_kthread+0x10/0x10
[ 6169.966187][ C0] ret_from_fork+0x31/0x70
[ 6169.966190][ C0] ? __pfx_kthread+0x10/0x10
[ 6169.966192][ C0] ret_from_fork_asm+0x1b/0x30
[ 6169.966200][ C0]
[ 6195.982483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6195.982863][ C0] rcu: 0-....: (649397 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=162506
[ 6195.983431][ C0] rcu: (t=650269 jiffies g=2451281 q=5577 ncpus=4)
[ 6195.983770][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6195.984254][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6195.984877][ C0] Workqueue: netns cleanup_net
[ 6195.985132][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6195.985399][ 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
[ 6195.986393][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6195.986707][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6195.987112][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6195.987520][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6195.987924][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6195.988328][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6195.988732][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6195.989193][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6195.989534][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6195.989942][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6195.990355][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6195.990761][ C0] PKRU: 55555554
[ 6195.990945][ C0] Call Trace:
[ 6195.991119][ C0]
[ 6195.991269][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6195.991550][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6195.991806][ C0] ? check_cpu_stall+0x284/0x500
[ 6195.992060][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6195.992354][ C0] ? rcu_pending+0x92/0x360
[ 6195.992588][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6195.992862][ C0] ? update_process_times+0xb9/0x110
[ 6195.993137][ C0] ? tick_sched_handle+0x67/0x130
[ 6195.993398][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6195.993686][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6195.993934][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6195.994250][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6195.994526][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6195.994821][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6195.995089][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6195.995400][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6195.995666][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6195.995979][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6195.996281][ C0]
[ 6195.996434][ C0]
[ 6195.996589][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6195.996912][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6195.997206][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6195.997501][ C0] ? kasan_report+0xd2/0xf0
[ 6195.997736][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6195.998032][ C0] kasan_check_range+0x39/0x1c0
[ 6195.998287][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6195.998573][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6195.998892][ C0] ? __pfx___schedule+0x10/0x10
[ 6195.999159][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6195.999413][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6195.999689][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6195.999977][ C0] ? lock_acquire+0x1c1/0x220
[ 6196.000220][ C0] ? __mutex_lock+0x33e/0xb10
[ 6196.000466][ C0] ? __mutex_lock+0x811/0xb10
[ 6196.000709][ C0] _raw_spin_lock+0x67/0x80
[ 6196.000943][ C0] __mutex_lock+0x33e/0xb10
[ 6196.001179][ C0] ? __lock_release+0x40f/0x880
[ 6196.001435][ C0] ? __pfx___lock_release+0x10/0x10
[ 6196.001703][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6196.002005][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6196.002266][ C0] ? __pfx___up_read+0x10/0x10
[ 6196.002513][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6196.002787][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6196.003062][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6196.003366][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6196.003668][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6196.003958][ C0] __tcf_action_put+0x3d/0xf0
[ 6196.004204][ C0] tcf_action_destroy+0x43/0x130
[ 6196.004462][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6196.004713][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6196.005039][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6196.005319][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6196.005626][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6196.005929][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6196.006219][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6196.006538][ C0] ? __lock_release+0x40f/0x880
[ 6196.006792][ C0] ? __mutex_lock+0x26e/0xb10
[ 6196.007038][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6196.007330][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6196.007646][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6196.007956][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6196.008208][ C0] tcf_chain_flush+0x1e0/0x320
[ 6196.008457][ C0] __tcf_block_put+0x113/0x270
[ 6196.008706][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6196.009017][ C0] __qdisc_destroy+0xee/0x340
[ 6196.009266][ C0] dev_shutdown+0x129/0x350
[ 6196.009502][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6196.009829][ C0] ? rtnl_is_locked+0x15/0x20
[ 6196.010074][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6196.010403][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6196.010748][ C0] ? mutex_is_locked+0x17/0x50
[ 6196.010995][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6196.011302][ C0] cleanup_net+0x4cf/0xb60
[ 6196.011532][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6196.011822][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6196.012076][ C0] ? lock_acquire+0x1c1/0x220
[ 6196.012318][ C0] ? process_one_work+0x714/0x1310
[ 6196.012583][ C0] process_one_work+0x78c/0x1310
[ 6196.012840][ C0] ? hlock_class+0x4e/0x130
[ 6196.013076][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6196.013354][ C0] ? assign_work+0x16c/0x240
[ 6196.013595][ C0] worker_thread+0x73d/0x1010
[ 6196.013841][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6196.014105][ C0] kthread+0x28f/0x360
[ 6196.014316][ C0] ? __pfx_kthread+0x10/0x10
[ 6196.014554][ C0] ret_from_fork+0x31/0x70
[ 6196.014784][ C0] ? __pfx_kthread+0x10/0x10
[ 6196.015023][ C0] ret_from_fork_asm+0x1b/0x30
[ 6196.015276][ C0]
[ 6220.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 630s! [kworker/u8:0:11]
[ 6220.598032][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6220.598964][ C0] irq event stamp: 6208419
[ 6220.599200][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6220.599683][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6220.600168][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6220.600657][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6220.601135][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6220.601621][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6220.602247][ C0] Workqueue: netns cleanup_net
[ 6220.602497][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6220.602826][ 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
[ 6220.603809][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6220.604121][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6220.604525][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6220.604928][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6220.605333][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6220.605745][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6220.606152][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6220.606610][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6220.606948][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6220.607357][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6220.607765][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6220.608170][ C0] PKRU: 55555554
[ 6220.608356][ C0] Call Trace:
[ 6220.608531][ C0]
[ 6220.608682][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6220.608950][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6220.609206][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6220.609488][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6220.609764][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6220.610060][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6220.610329][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6220.610646][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6220.610912][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6220.611226][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6220.611525][ C0]
[ 6220.611678][ C0]
[ 6220.611830][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6220.612152][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6220.612451][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6220.612755][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6220.613072][ C0] ? __pfx___schedule+0x10/0x10
[ 6220.613326][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6220.613582][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6220.613859][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6220.614147][ C0] ? lock_acquire+0x1c1/0x220
[ 6220.614390][ C0] ? __mutex_lock+0x33e/0xb10
[ 6220.614636][ C0] ? __mutex_lock+0x811/0xb10
[ 6220.614879][ C0] _raw_spin_lock+0x67/0x80
[ 6220.615113][ C0] __mutex_lock+0x33e/0xb10
[ 6220.615350][ C0] ? __lock_release+0x40f/0x880
[ 6220.615603][ C0] ? __pfx___lock_release+0x10/0x10
[ 6220.615877][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6220.616178][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6220.616439][ C0] ? __pfx___up_read+0x10/0x10
[ 6220.616687][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6220.616961][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6220.617236][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6220.617532][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6220.617833][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6220.618121][ C0] __tcf_action_put+0x3d/0xf0
[ 6220.618368][ C0] tcf_action_destroy+0x43/0x130
[ 6220.618628][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6220.618873][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6220.619205][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6220.619484][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6220.619788][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6220.620093][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6220.620385][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6220.620703][ C0] ? __lock_release+0x40f/0x880
[ 6220.620956][ C0] ? __mutex_lock+0x26e/0xb10
[ 6220.621202][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6220.621490][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6220.621805][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6220.622115][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6220.622367][ C0] tcf_chain_flush+0x1e0/0x320
[ 6220.622618][ C0] __tcf_block_put+0x113/0x270
[ 6220.622868][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6220.623178][ C0] __qdisc_destroy+0xee/0x340
[ 6220.623423][ C0] dev_shutdown+0x129/0x350
[ 6220.623660][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6220.623987][ C0] ? rtnl_is_locked+0x15/0x20
[ 6220.624232][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6220.624554][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6220.624900][ C0] ? mutex_is_locked+0x17/0x50
[ 6220.625148][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6220.625456][ C0] cleanup_net+0x4cf/0xb60
[ 6220.625687][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6220.625979][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6220.626234][ C0] ? lock_acquire+0x1c1/0x220
[ 6220.626477][ C0] ? process_one_work+0x714/0x1310
[ 6220.626745][ C0] process_one_work+0x78c/0x1310
[ 6220.627008][ C0] ? hlock_class+0x4e/0x130
[ 6220.627248][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6220.627525][ C0] ? assign_work+0x16c/0x240
[ 6220.627765][ C0] worker_thread+0x73d/0x1010
[ 6220.628011][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6220.628275][ C0] kthread+0x28f/0x360
[ 6220.628487][ C0] ? __pfx_kthread+0x10/0x10
[ 6220.628726][ C0] ret_from_fork+0x31/0x70
[ 6220.628956][ C0] ? __pfx_kthread+0x10/0x10
[ 6220.629201][ C0] ret_from_fork_asm+0x1b/0x30
[ 6220.629454][ C0]
[ 6248.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 656s! [kworker/u8:0:11]
[ 6248.598033][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6248.598971][ C0] irq event stamp: 6208419
[ 6248.599198][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6248.599684][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6248.600164][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6248.600646][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6248.601120][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6248.601600][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6248.602229][ C0] Workqueue: netns cleanup_net
[ 6248.602479][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 6248.602753][ 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
[ 6248.603741][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6248.604052][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6248.604460][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6248.604865][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6248.605271][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6248.605676][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6248.606083][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6248.606539][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6248.606876][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6248.607282][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6248.607694][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6248.608100][ C0] PKRU: 55555554
[ 6248.608284][ C0] Call Trace:
[ 6248.608456][ C0]
[ 6248.608609][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6248.608882][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6248.609129][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6248.609411][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6248.609688][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6248.609981][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6248.610251][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6248.610560][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6248.610827][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6248.611140][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6248.611442][ C0]
[ 6248.611594][ C0]
[ 6248.611749][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6248.612069][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6248.612371][ C0] ? kasan_report+0x19/0xf0
[ 6248.612612][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6248.612901][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6248.613222][ C0] ? __pfx___schedule+0x10/0x10
[ 6248.613477][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6248.613738][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6248.614015][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6248.614306][ C0] ? lock_acquire+0x1c1/0x220
[ 6248.614547][ C0] ? __mutex_lock+0x33e/0xb10
[ 6248.614793][ C0] ? __mutex_lock+0x811/0xb10
[ 6248.615036][ C0] _raw_spin_lock+0x67/0x80
[ 6248.615271][ C0] __mutex_lock+0x33e/0xb10
[ 6248.615507][ C0] ? __lock_release+0x40f/0x880
[ 6248.615759][ C0] ? __pfx___lock_release+0x10/0x10
[ 6248.616027][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6248.616330][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6248.616591][ C0] ? __pfx___up_read+0x10/0x10
[ 6248.616838][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6248.617112][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6248.617386][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6248.617681][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6248.617982][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6248.618273][ C0] __tcf_action_put+0x3d/0xf0
[ 6248.618518][ C0] tcf_action_destroy+0x43/0x130
[ 6248.618775][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6248.619028][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6248.619353][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6248.619630][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6248.619943][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6248.620243][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6248.620535][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6248.620853][ C0] ? __lock_release+0x40f/0x880
[ 6248.621105][ C0] ? __mutex_lock+0x26e/0xb10
[ 6248.621351][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6248.621639][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6248.621954][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6248.622266][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6248.622520][ C0] tcf_chain_flush+0x1e0/0x320
[ 6248.622767][ C0] __tcf_block_put+0x113/0x270
[ 6248.623018][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6248.623329][ C0] __qdisc_destroy+0xee/0x340
[ 6248.623574][ C0] dev_shutdown+0x129/0x350
[ 6248.623816][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6248.624142][ C0] ? rtnl_is_locked+0x15/0x20
[ 6248.624387][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6248.624708][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6248.625053][ C0] ? mutex_is_locked+0x17/0x50
[ 6248.625301][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6248.625608][ C0] cleanup_net+0x4cf/0xb60
[ 6248.625837][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6248.626128][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6248.626384][ C0] ? lock_acquire+0x1c1/0x220
[ 6248.626626][ C0] ? process_one_work+0x714/0x1310
[ 6248.626892][ C0] process_one_work+0x78c/0x1310
[ 6248.627149][ C0] ? hlock_class+0x4e/0x130
[ 6248.627385][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6248.627663][ C0] ? assign_work+0x16c/0x240
[ 6248.627903][ C0] worker_thread+0x73d/0x1010
[ 6248.628150][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6248.628412][ C0] kthread+0x28f/0x360
[ 6248.628624][ C0] ? __pfx_kthread+0x10/0x10
[ 6248.628863][ C0] ret_from_fork+0x31/0x70
[ 6248.629100][ C0] ? __pfx_kthread+0x10/0x10
[ 6248.629339][ C0] ret_from_fork_asm+0x1b/0x30
[ 6248.629593][ C0]
[ 6268.268509][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 722283 jiffies s: 77393 root: 0x1/.
[ 6268.269516][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6268.270074][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6268.270509][ C0] NMI backtrace for cpu 0
[ 6268.270514][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6268.270518][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6268.270521][ C0] Workqueue: netns cleanup_net
[ 6268.270529][ C0] RIP: 0010:kasan_report+0xda/0xf0
[ 6268.270534][ 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
[ 6268.270537][ C0] RSP: 0018:ffffc900000bf390 EFLAGS: 00000286
[ 6268.270540][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6268.270541][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6268.270543][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6268.270545][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6268.270546][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6268.270548][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6268.270550][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6268.270553][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6268.270555][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6268.270556][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6268.270557][ C0] PKRU: 55555554
[ 6268.270558][ C0] Call Trace:
[ 6268.270561][ C0]
[ 6268.270565][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6268.270570][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6268.270575][ C0] ? nmi_handle+0x153/0x420
[ 6268.270580][ C0] ? default_do_nmi+0x41/0x100
[ 6268.270584][ C0] ? exc_nmi+0xf3/0x120
[ 6268.270586][ C0] ? end_repeat_nmi+0xf/0x60
[ 6268.270590][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6268.270595][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6268.270598][ C0] ? kasan_report+0xda/0xf0
[ 6268.270601][ C0] ? kasan_report+0xda/0xf0
[ 6268.270604][ C0] ? kasan_report+0xda/0xf0
[ 6268.270607][ C0]
[ 6268.270609][ C0]
[ 6268.270610][ C0] kasan_check_range+0x39/0x1c0
[ 6268.270615][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6268.270619][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6268.270623][ C0] ? __pfx___schedule+0x10/0x10
[ 6268.270628][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6268.270633][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6268.270636][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6268.270639][ C0] ? lock_acquire+0x1c1/0x220
[ 6268.270641][ C0] ? __mutex_lock+0x33e/0xb10
[ 6268.270646][ C0] ? __mutex_lock+0x811/0xb10
[ 6268.270648][ C0] _raw_spin_lock+0x67/0x80
[ 6268.270652][ C0] __mutex_lock+0x33e/0xb10
[ 6268.270655][ C0] ? __lock_release+0x40f/0x880
[ 6268.270658][ C0] ? __pfx___lock_release+0x10/0x10
[ 6268.270660][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6268.270666][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6268.270669][ C0] ? __pfx___up_read+0x10/0x10
[ 6268.270673][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6268.270676][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6268.270680][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6268.270688][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6268.270691][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6268.270695][ C0] __tcf_action_put+0x3d/0xf0
[ 6268.270701][ C0] tcf_action_destroy+0x43/0x130
[ 6268.270704][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6268.270708][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6268.270718][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6268.270727][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6268.270735][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6268.270744][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6268.270754][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6268.270761][ C0] ? __lock_release+0x40f/0x880
[ 6268.270765][ C0] ? __mutex_lock+0x26e/0xb10
[ 6268.270769][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6268.270778][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6268.270786][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6268.270791][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6268.270795][ C0] tcf_chain_flush+0x1e0/0x320
[ 6268.270798][ C0] __tcf_block_put+0x113/0x270
[ 6268.270803][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6268.270810][ C0] __qdisc_destroy+0xee/0x340
[ 6268.270814][ C0] dev_shutdown+0x129/0x350
[ 6268.270817][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6268.270821][ C0] ? rtnl_is_locked+0x15/0x20
[ 6268.270826][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6268.270828][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6268.270831][ C0] ? mutex_is_locked+0x17/0x50
[ 6268.270834][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6268.270839][ C0] cleanup_net+0x4cf/0xb60
[ 6268.270842][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6268.270845][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6268.270848][ C0] ? lock_acquire+0x1c1/0x220
[ 6268.270850][ C0] ? process_one_work+0x714/0x1310
[ 6268.270855][ C0] process_one_work+0x78c/0x1310
[ 6268.270860][ C0] ? hlock_class+0x4e/0x130
[ 6268.270863][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6268.270868][ C0] ? assign_work+0x16c/0x240
[ 6268.270871][ C0] worker_thread+0x73d/0x1010
[ 6268.270876][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6268.270879][ C0] kthread+0x28f/0x360
[ 6268.270881][ C0] ? __pfx_kthread+0x10/0x10
[ 6268.270884][ C0] ret_from_fork+0x31/0x70
[ 6268.270887][ C0] ? __pfx_kthread+0x10/0x10
[ 6268.270888][ C0] ret_from_fork_asm+0x1b/0x30
[ 6268.270897][ C0]
[ 6274.015483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6274.015865][ C0] rcu: 0-....: (727311 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=182007
[ 6274.016435][ C0] rcu: (t=728302 jiffies g=2451281 q=5577 ncpus=4)
[ 6274.016776][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6274.017261][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6274.017887][ C0] Workqueue: netns cleanup_net
[ 6274.018141][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6274.018479][ 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
[ 6274.019473][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6274.019787][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6274.020195][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6274.020608][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6274.021014][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6274.021421][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6274.021831][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6274.022287][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6274.022629][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6274.023038][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6274.023445][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6274.023854][ C0] PKRU: 55555554
[ 6274.024038][ C0] Call Trace:
[ 6274.024213][ C0]
[ 6274.024365][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6274.024645][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6274.024904][ C0] ? check_cpu_stall+0x284/0x500
[ 6274.025160][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6274.025453][ C0] ? rcu_pending+0x92/0x360
[ 6274.025690][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6274.025966][ C0] ? update_process_times+0xb9/0x110
[ 6274.026241][ C0] ? tick_sched_handle+0x67/0x130
[ 6274.026505][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6274.026794][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6274.027043][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6274.027363][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6274.027642][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6274.027938][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6274.028209][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6274.028522][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6274.028798][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6274.029113][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6274.029415][ C0]
[ 6274.029569][ C0]
[ 6274.029722][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6274.030044][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6274.030345][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6274.030647][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6274.030966][ C0] ? __pfx___schedule+0x10/0x10
[ 6274.031220][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6274.031475][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6274.031752][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6274.032042][ C0] ? lock_acquire+0x1c1/0x220
[ 6274.032286][ C0] ? __mutex_lock+0x33e/0xb10
[ 6274.032532][ C0] ? __mutex_lock+0x811/0xb10
[ 6274.032777][ C0] _raw_spin_lock+0x67/0x80
[ 6274.033010][ C0] __mutex_lock+0x33e/0xb10
[ 6274.033247][ C0] ? __lock_release+0x40f/0x880
[ 6274.033501][ C0] ? __pfx___lock_release+0x10/0x10
[ 6274.033775][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6274.034077][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6274.034337][ C0] ? __pfx___up_read+0x10/0x10
[ 6274.034584][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6274.034859][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6274.035135][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6274.035433][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6274.035735][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6274.036025][ C0] __tcf_action_put+0x3d/0xf0
[ 6274.036274][ C0] tcf_action_destroy+0x43/0x130
[ 6274.036532][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6274.036778][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6274.037105][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6274.037385][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6274.037689][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6274.037992][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6274.038283][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6274.038602][ C0] ? __lock_release+0x40f/0x880
[ 6274.038863][ C0] ? __mutex_lock+0x26e/0xb10
[ 6274.039109][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6274.039397][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6274.039712][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6274.040023][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6274.040276][ C0] tcf_chain_flush+0x1e0/0x320
[ 6274.040527][ C0] __tcf_block_put+0x113/0x270
[ 6274.040777][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6274.041088][ C0] __qdisc_destroy+0xee/0x340
[ 6274.041332][ C0] dev_shutdown+0x129/0x350
[ 6274.041569][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6274.041896][ C0] ? rtnl_is_locked+0x15/0x20
[ 6274.042142][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6274.042465][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6274.042816][ C0] ? mutex_is_locked+0x17/0x50
[ 6274.043064][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6274.043372][ C0] cleanup_net+0x4cf/0xb60
[ 6274.043602][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6274.043892][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6274.044149][ C0] ? lock_acquire+0x1c1/0x220
[ 6274.044391][ C0] ? process_one_work+0x714/0x1310
[ 6274.044658][ C0] process_one_work+0x78c/0x1310
[ 6274.044917][ C0] ? hlock_class+0x4e/0x130
[ 6274.045153][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6274.045432][ C0] ? assign_work+0x16c/0x240
[ 6274.045672][ C0] worker_thread+0x73d/0x1010
[ 6274.045918][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6274.046184][ C0] kthread+0x28f/0x360
[ 6274.046396][ C0] ? __pfx_kthread+0x10/0x10
[ 6274.046636][ C0] ret_from_fork+0x31/0x70
[ 6274.046866][ C0] ? __pfx_kthread+0x10/0x10
[ 6274.047105][ C0] ret_from_fork_asm+0x1b/0x30
[ 6274.047359][ C0]
[ 6297.828026][ T73] kmemleak: 1193 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[ 6300.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 704s! [kworker/u8:0:11]
[ 6300.598040][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6300.598983][ C0] irq event stamp: 6208419
[ 6300.599214][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6300.599705][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6300.600186][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6300.600681][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6300.601159][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6300.601641][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6300.602269][ C0] Workqueue: netns cleanup_net
[ 6300.602521][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 6300.602789][ 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
[ 6300.603781][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6300.604095][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6300.604502][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6300.604907][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6300.605314][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6300.605723][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6300.606130][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6300.606592][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6300.606928][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6300.607336][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6300.607743][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6300.608147][ C0] PKRU: 55555554
[ 6300.608331][ C0] Call Trace:
[ 6300.608506][ C0]
[ 6300.608666][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6300.608934][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6300.609184][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6300.609466][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6300.609743][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6300.610039][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6300.610309][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6300.610623][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6300.610891][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6300.611206][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6300.611511][ C0]
[ 6300.611665][ C0]
[ 6300.611818][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6300.612141][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6300.612442][ C0] ? kasan_report+0x19/0xf0
[ 6300.612682][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6300.612973][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6300.613304][ C0] ? __pfx___schedule+0x10/0x10
[ 6300.613560][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6300.613815][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6300.614092][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6300.614385][ C0] ? lock_acquire+0x1c1/0x220
[ 6300.614629][ C0] ? __mutex_lock+0x33e/0xb10
[ 6300.614872][ C0] ? __mutex_lock+0x811/0xb10
[ 6300.615117][ C0] _raw_spin_lock+0x67/0x80
[ 6300.615354][ C0] __mutex_lock+0x33e/0xb10
[ 6300.615588][ C0] ? __lock_release+0x40f/0x880
[ 6300.615841][ C0] ? __pfx___lock_release+0x10/0x10
[ 6300.616109][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6300.616419][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6300.616680][ C0] ? __pfx___up_read+0x10/0x10
[ 6300.616929][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6300.617202][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6300.617476][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6300.617775][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6300.618074][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6300.618369][ C0] __tcf_action_put+0x3d/0xf0
[ 6300.618620][ C0] tcf_action_destroy+0x43/0x130
[ 6300.618880][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6300.619124][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6300.619455][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6300.619733][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6300.620039][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6300.620340][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6300.620634][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6300.620951][ C0] ? __lock_release+0x40f/0x880
[ 6300.621204][ C0] ? __mutex_lock+0x26e/0xb10
[ 6300.621448][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6300.621735][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6300.622049][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6300.622359][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6300.622625][ C0] tcf_chain_flush+0x1e0/0x320
[ 6300.622875][ C0] __tcf_block_put+0x113/0x270
[ 6300.623123][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6300.623433][ C0] __qdisc_destroy+0xee/0x340
[ 6300.623678][ C0] dev_shutdown+0x129/0x350
[ 6300.623915][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6300.624242][ C0] ? rtnl_is_locked+0x15/0x20
[ 6300.624486][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6300.624811][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6300.625160][ C0] ? mutex_is_locked+0x17/0x50
[ 6300.625406][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6300.625713][ C0] cleanup_net+0x4cf/0xb60
[ 6300.625946][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6300.626237][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6300.626502][ C0] ? lock_acquire+0x1c1/0x220
[ 6300.626745][ C0] ? process_one_work+0x714/0x1310
[ 6300.627012][ C0] process_one_work+0x78c/0x1310
[ 6300.627270][ C0] ? hlock_class+0x4e/0x130
[ 6300.627507][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6300.627789][ C0] ? assign_work+0x16c/0x240
[ 6300.628026][ C0] worker_thread+0x73d/0x1010
[ 6300.628273][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6300.628540][ C0] kthread+0x28f/0x360
[ 6300.628765][ C0] ? __pfx_kthread+0x10/0x10
[ 6300.629006][ C0] ret_from_fork+0x31/0x70
[ 6300.629236][ C0] ? __pfx_kthread+0x10/0x10
[ 6300.629472][ C0] ret_from_fork_asm+0x1b/0x30
[ 6300.629726][ C0]
[ 6328.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 730s! [kworker/u8:0:11]
[ 6328.598036][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6328.598973][ C0] irq event stamp: 6208419
[ 6328.599203][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6328.599686][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6328.600170][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6328.600651][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6328.601127][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6328.601614][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6328.602238][ C0] Workqueue: netns cleanup_net
[ 6328.602490][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 6328.602768][ 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
[ 6328.603759][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 6328.604073][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6328.604481][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6328.604888][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6328.605294][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6328.605700][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6328.606106][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6328.606565][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6328.606905][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6328.607313][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6328.607719][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6328.608128][ C0] PKRU: 55555554
[ 6328.608312][ C0] Call Trace:
[ 6328.608494][ C0]
[ 6328.608644][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6328.608913][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6328.609160][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6328.609446][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6328.609724][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6328.610017][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6328.610289][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6328.610605][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6328.610872][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6328.611188][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6328.611489][ C0]
[ 6328.611642][ C0]
[ 6328.611795][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6328.612115][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6328.612413][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6328.612707][ C0] ? report_enabled+0x19/0x30
[ 6328.612952][ C0] kasan_report+0x41/0xf0
[ 6328.613180][ C0] kasan_check_range+0x39/0x1c0
[ 6328.613434][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6328.613722][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6328.614042][ C0] ? __pfx___schedule+0x10/0x10
[ 6328.614296][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6328.614550][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6328.614830][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6328.615119][ C0] ? lock_acquire+0x1c1/0x220
[ 6328.615364][ C0] ? __mutex_lock+0x33e/0xb10
[ 6328.615611][ C0] ? __mutex_lock+0x811/0xb10
[ 6328.615853][ C0] _raw_spin_lock+0x67/0x80
[ 6328.616090][ C0] __mutex_lock+0x33e/0xb10
[ 6328.616328][ C0] ? __lock_release+0x40f/0x880
[ 6328.616580][ C0] ? __pfx___lock_release+0x10/0x10
[ 6328.616849][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6328.617152][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6328.617415][ C0] ? __pfx___up_read+0x10/0x10
[ 6328.617664][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6328.617937][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6328.618210][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6328.618514][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6328.618816][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6328.619109][ C0] __tcf_action_put+0x3d/0xf0
[ 6328.619356][ C0] tcf_action_destroy+0x43/0x130
[ 6328.619614][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6328.619857][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6328.620183][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6328.620463][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6328.620773][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6328.621074][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6328.621366][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6328.621686][ C0] ? __lock_release+0x40f/0x880
[ 6328.621940][ C0] ? __mutex_lock+0x26e/0xb10
[ 6328.622184][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6328.622474][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6328.622788][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6328.623099][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6328.623356][ C0] tcf_chain_flush+0x1e0/0x320
[ 6328.623606][ C0] __tcf_block_put+0x113/0x270
[ 6328.623857][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6328.624165][ C0] __qdisc_destroy+0xee/0x340
[ 6328.624411][ C0] dev_shutdown+0x129/0x350
[ 6328.624649][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6328.624978][ C0] ? rtnl_is_locked+0x15/0x20
[ 6328.625223][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6328.625545][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6328.625894][ C0] ? mutex_is_locked+0x17/0x50
[ 6328.626143][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6328.626449][ C0] cleanup_net+0x4cf/0xb60
[ 6328.626683][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6328.626973][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6328.627231][ C0] ? lock_acquire+0x1c1/0x220
[ 6328.627475][ C0] ? process_one_work+0x714/0x1310
[ 6328.627744][ C0] process_one_work+0x78c/0x1310
[ 6328.628003][ C0] ? hlock_class+0x4e/0x130
[ 6328.628241][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6328.628526][ C0] ? assign_work+0x16c/0x240
[ 6328.628767][ C0] worker_thread+0x73d/0x1010
[ 6328.629015][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6328.629280][ C0] kthread+0x28f/0x360
[ 6328.629495][ C0] ? __pfx_kthread+0x10/0x10
[ 6328.629733][ C0] ret_from_fork+0x31/0x70
[ 6328.629966][ C0] ? __pfx_kthread+0x10/0x10
[ 6328.630205][ C0] ret_from_fork_asm+0x1b/0x30
[ 6328.630458][ C0]
[ 6352.048484][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6352.048869][ C0] rcu: 0-....: (805250 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=201508
[ 6352.049443][ C0] rcu: (t=806335 jiffies g=2451281 q=5577 ncpus=4)
[ 6352.049787][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6352.050269][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6352.050899][ C0] Workqueue: netns cleanup_net
[ 6352.051155][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 6352.051433][ 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
[ 6352.052422][ C0] RSP: 0018:ffffc900000bf330 EFLAGS: 00000247
[ 6352.052738][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6352.053144][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6352.053552][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6352.053959][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6352.054367][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6352.054775][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6352.055231][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6352.055570][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6352.055980][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6352.056389][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6352.056797][ C0] PKRU: 55555554
[ 6352.056982][ C0] Call Trace:
[ 6352.057160][ C0]
[ 6352.057312][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6352.057594][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6352.057852][ C0] ? check_cpu_stall+0x284/0x500
[ 6352.058109][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6352.058409][ C0] ? rcu_pending+0x92/0x360
[ 6352.058646][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6352.058920][ C0] ? update_process_times+0xb9/0x110
[ 6352.059196][ C0] ? tick_sched_handle+0x67/0x130
[ 6352.059458][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6352.059749][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6352.059997][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6352.060314][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6352.060594][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6352.060884][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6352.061154][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6352.061466][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6352.061735][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6352.062051][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6352.062355][ C0]
[ 6352.062508][ C0]
[ 6352.062662][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6352.062983][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6352.063299][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6352.063613][ C0] ? report_enabled+0x19/0x30
[ 6352.063854][ C0] kasan_report+0x41/0xf0
[ 6352.064083][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6352.064376][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6352.064694][ C0] ? __pfx___schedule+0x10/0x10
[ 6352.064947][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6352.065201][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6352.065476][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6352.065765][ C0] ? lock_acquire+0x1c1/0x220
[ 6352.066005][ C0] ? __mutex_lock+0x33e/0xb10
[ 6352.066248][ C0] ? __mutex_lock+0x811/0xb10
[ 6352.066491][ C0] _raw_spin_lock+0x67/0x80
[ 6352.066725][ C0] __mutex_lock+0x33e/0xb10
[ 6352.066961][ C0] ? __lock_release+0x40f/0x880
[ 6352.067213][ C0] ? __pfx___lock_release+0x10/0x10
[ 6352.067481][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6352.067783][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6352.068042][ C0] ? __pfx___up_read+0x10/0x10
[ 6352.068289][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6352.068567][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6352.068841][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6352.069138][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6352.069438][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6352.069727][ C0] __tcf_action_put+0x3d/0xf0
[ 6352.069974][ C0] tcf_action_destroy+0x43/0x130
[ 6352.070230][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6352.070473][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6352.070801][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6352.071080][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6352.071384][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6352.071684][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6352.071974][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6352.072291][ C0] ? __lock_release+0x40f/0x880
[ 6352.072548][ C0] ? __mutex_lock+0x26e/0xb10
[ 6352.072792][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6352.073078][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6352.073391][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6352.073700][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6352.073955][ C0] tcf_chain_flush+0x1e0/0x320
[ 6352.074204][ C0] __tcf_block_put+0x113/0x270
[ 6352.074452][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6352.074764][ C0] __qdisc_destroy+0xee/0x340
[ 6352.075007][ C0] dev_shutdown+0x129/0x350
[ 6352.075242][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6352.075568][ C0] ? rtnl_is_locked+0x15/0x20
[ 6352.075812][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6352.076131][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6352.076476][ C0] ? mutex_is_locked+0x17/0x50
[ 6352.076725][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6352.077033][ C0] cleanup_net+0x4cf/0xb60
[ 6352.077263][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6352.077554][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6352.077810][ C0] ? lock_acquire+0x1c1/0x220
[ 6352.078049][ C0] ? process_one_work+0x714/0x1310
[ 6352.078317][ C0] process_one_work+0x78c/0x1310
[ 6352.078579][ C0] ? hlock_class+0x4e/0x130
[ 6352.078814][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6352.079091][ C0] ? assign_work+0x16c/0x240
[ 6352.079331][ C0] worker_thread+0x73d/0x1010
[ 6352.079578][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6352.079841][ C0] kthread+0x28f/0x360
[ 6352.080052][ C0] ? __pfx_kthread+0x10/0x10
[ 6352.080291][ C0] ret_from_fork+0x31/0x70
[ 6352.080522][ C0] ? __pfx_kthread+0x10/0x10
[ 6352.080760][ C0] ret_from_fork_asm+0x1b/0x30
[ 6352.081015][ C0]
[ 6366.572500][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 820587 jiffies s: 77393 root: 0x1/.
[ 6366.573172][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6366.573555][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6366.573836][ C0] NMI backtrace for cpu 0
[ 6366.573845][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6366.573850][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6366.573853][ C0] Workqueue: netns cleanup_net
[ 6366.573863][ C0] RIP: 0010:kasan_report+0xd6/0xf0
[ 6366.573871][ C0] Code: 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 45 31 e4 eb
[ 6366.573874][ C0] RSP: 0018:ffffc900000bf388 EFLAGS: 00000286
[ 6366.573876][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6366.573878][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6366.573880][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6366.573882][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6366.573883][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6366.573885][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6366.573887][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6366.573891][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6366.573892][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6366.573893][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6366.573895][ C0] PKRU: 55555554
[ 6366.573895][ C0] Call Trace:
[ 6366.573900][ C0]
[ 6366.573904][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6366.573911][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6366.573916][ C0] ? nmi_handle+0x153/0x420
[ 6366.573922][ C0] ? default_do_nmi+0x41/0x100
[ 6366.573928][ C0] ? exc_nmi+0xf3/0x120
[ 6366.573931][ C0] ? end_repeat_nmi+0xf/0x60
[ 6366.573935][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6366.573941][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6366.573945][ C0] ? kasan_report+0xd6/0xf0
[ 6366.573948][ C0] ? kasan_report+0xd6/0xf0
[ 6366.573951][ C0] ? kasan_report+0xd6/0xf0
[ 6366.573954][ C0]
[ 6366.573955][ C0]
[ 6366.573957][ C0] kasan_check_range+0x39/0x1c0
[ 6366.573963][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6366.573967][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6366.573971][ C0] ? __pfx___schedule+0x10/0x10
[ 6366.573977][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6366.573984][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6366.573987][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6366.573990][ C0] ? lock_acquire+0x1c1/0x220
[ 6366.573993][ C0] ? __mutex_lock+0x33e/0xb10
[ 6366.573997][ C0] ? __mutex_lock+0x811/0xb10
[ 6366.574000][ C0] _raw_spin_lock+0x67/0x80
[ 6366.574004][ C0] __mutex_lock+0x33e/0xb10
[ 6366.574007][ C0] ? __lock_release+0x40f/0x880
[ 6366.574010][ C0] ? __pfx___lock_release+0x10/0x10
[ 6366.574013][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6366.574019][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6366.574022][ C0] ? __pfx___up_read+0x10/0x10
[ 6366.574027][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6366.574030][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6366.574035][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6366.574043][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6366.574046][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6366.574050][ C0] __tcf_action_put+0x3d/0xf0
[ 6366.574056][ C0] tcf_action_destroy+0x43/0x130
[ 6366.574060][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6366.574063][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6366.574076][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6366.574085][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6366.574093][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6366.574102][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6366.574111][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6366.574119][ C0] ? __lock_release+0x40f/0x880
[ 6366.574123][ C0] ? __mutex_lock+0x26e/0xb10
[ 6366.574127][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6366.574136][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6366.574144][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6366.574149][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6366.574153][ C0] tcf_chain_flush+0x1e0/0x320
[ 6366.574157][ C0] __tcf_block_put+0x113/0x270
[ 6366.574162][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6366.574170][ C0] __qdisc_destroy+0xee/0x340
[ 6366.574174][ C0] dev_shutdown+0x129/0x350
[ 6366.574177][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6366.574182][ C0] ? rtnl_is_locked+0x15/0x20
[ 6366.574187][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6366.574189][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6366.574193][ C0] ? mutex_is_locked+0x17/0x50
[ 6366.574196][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6366.574203][ C0] cleanup_net+0x4cf/0xb60
[ 6366.574206][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6366.574209][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6366.574212][ C0] ? lock_acquire+0x1c1/0x220
[ 6366.574214][ C0] ? process_one_work+0x714/0x1310
[ 6366.574220][ C0] process_one_work+0x78c/0x1310
[ 6366.574225][ C0] ? hlock_class+0x4e/0x130
[ 6366.574228][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6366.574233][ C0] ? assign_work+0x16c/0x240
[ 6366.574236][ C0] worker_thread+0x73d/0x1010
[ 6366.574242][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6366.574244][ C0] kthread+0x28f/0x360
[ 6366.574248][ C0] ? __pfx_kthread+0x10/0x10
[ 6366.574251][ C0] ret_from_fork+0x31/0x70
[ 6366.574254][ C0] ? __pfx_kthread+0x10/0x10
[ 6366.574256][ C0] ret_from_fork_asm+0x1b/0x30
[ 6366.574266][ C0]
[ 6392.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 790s! [kworker/u8:0:11]
[ 6392.598040][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6392.598978][ C0] irq event stamp: 6208419
[ 6392.599204][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6392.599690][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6392.600169][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6392.600647][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6392.601123][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6392.601603][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6392.602227][ C0] Workqueue: netns cleanup_net
[ 6392.602477][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6392.602807][ 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
[ 6392.603799][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6392.604114][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6392.604521][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6392.604926][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6392.605329][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6392.605732][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6392.606137][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6392.606596][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6392.606932][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6392.607337][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6392.607742][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6392.608148][ C0] PKRU: 55555554
[ 6392.608338][ C0] Call Trace:
[ 6392.608514][ C0]
[ 6392.608668][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6392.608937][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6392.609184][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6392.609468][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6392.609746][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6392.610037][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6392.610311][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6392.610622][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6392.610889][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6392.611205][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6392.611508][ C0]
[ 6392.611661][ C0]
[ 6392.611815][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6392.612134][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6392.612434][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6392.612738][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6392.613056][ C0] ? __pfx___schedule+0x10/0x10
[ 6392.613310][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6392.613567][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6392.613847][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6392.614136][ C0] ? lock_acquire+0x1c1/0x220
[ 6392.614380][ C0] ? __mutex_lock+0x33e/0xb10
[ 6392.614627][ C0] ? __mutex_lock+0x811/0xb10
[ 6392.614870][ C0] _raw_spin_lock+0x67/0x80
[ 6392.615106][ C0] __mutex_lock+0x33e/0xb10
[ 6392.615341][ C0] ? __lock_release+0x40f/0x880
[ 6392.615593][ C0] ? __pfx___lock_release+0x10/0x10
[ 6392.615862][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6392.616165][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6392.616425][ C0] ? __pfx___up_read+0x10/0x10
[ 6392.616678][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6392.616949][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6392.617224][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6392.617523][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6392.617826][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6392.618119][ C0] __tcf_action_put+0x3d/0xf0
[ 6392.618370][ C0] tcf_action_destroy+0x43/0x130
[ 6392.618630][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6392.618872][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6392.619197][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6392.619476][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6392.619784][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6392.620084][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6392.620376][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6392.620694][ C0] ? __lock_release+0x40f/0x880
[ 6392.620946][ C0] ? __mutex_lock+0x26e/0xb10
[ 6392.621190][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6392.621479][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6392.621791][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6392.622103][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6392.622356][ C0] tcf_chain_flush+0x1e0/0x320
[ 6392.622608][ C0] __tcf_block_put+0x113/0x270
[ 6392.622857][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6392.623168][ C0] __qdisc_destroy+0xee/0x340
[ 6392.623413][ C0] dev_shutdown+0x129/0x350
[ 6392.623653][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6392.623980][ C0] ? rtnl_is_locked+0x15/0x20
[ 6392.624224][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6392.624547][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6392.624895][ C0] ? mutex_is_locked+0x17/0x50
[ 6392.625141][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6392.625448][ C0] cleanup_net+0x4cf/0xb60
[ 6392.625683][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6392.625971][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6392.626227][ C0] ? lock_acquire+0x1c1/0x220
[ 6392.626471][ C0] ? process_one_work+0x714/0x1310
[ 6392.626740][ C0] process_one_work+0x78c/0x1310
[ 6392.626997][ C0] ? hlock_class+0x4e/0x130
[ 6392.627232][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6392.627515][ C0] ? assign_work+0x16c/0x240
[ 6392.627753][ C0] worker_thread+0x73d/0x1010
[ 6392.627998][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6392.628266][ C0] kthread+0x28f/0x360
[ 6392.628480][ C0] ? __pfx_kthread+0x10/0x10
[ 6392.628720][ C0] ret_from_fork+0x31/0x70
[ 6392.628953][ C0] ? __pfx_kthread+0x10/0x10
[ 6392.629190][ C0] ret_from_fork_asm+0x1b/0x30
[ 6392.629443][ C0]
[ 6420.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 816s! [kworker/u8:0:11]
[ 6420.598038][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6420.598970][ C0] irq event stamp: 6208419
[ 6420.599199][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6420.599684][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6420.600166][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6420.600646][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6420.601118][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6420.601600][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6420.602223][ C0] Workqueue: netns cleanup_net
[ 6420.602475][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6420.602744][ 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
[ 6420.603736][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6420.604048][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6420.604451][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6420.604861][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6420.605267][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6420.605676][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6420.606081][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6420.606557][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6420.606912][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6420.607323][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6420.607733][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6420.608143][ C0] PKRU: 55555554
[ 6420.608327][ C0] Call Trace:
[ 6420.608504][ C0]
[ 6420.608657][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6420.608925][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6420.609175][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6420.609456][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6420.609736][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6420.610028][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6420.610299][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6420.610613][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6420.610880][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6420.611196][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6420.611497][ C0]
[ 6420.611650][ C0]
[ 6420.611801][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6420.612123][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6420.612425][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6420.612727][ C0] ? kasan_report+0xd2/0xf0
[ 6420.612964][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6420.613267][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6420.613560][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6420.613879][ C0] ? __pfx___schedule+0x10/0x10
[ 6420.614135][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6420.614390][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6420.614668][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6420.614956][ C0] ? lock_acquire+0x1c1/0x220
[ 6420.615201][ C0] ? __mutex_lock+0x33e/0xb10
[ 6420.615447][ C0] ? __mutex_lock+0x811/0xb10
[ 6420.615692][ C0] _raw_spin_lock+0x67/0x80
[ 6420.615926][ C0] __mutex_lock+0x33e/0xb10
[ 6420.616163][ C0] ? __lock_release+0x40f/0x880
[ 6420.616415][ C0] ? __pfx___lock_release+0x10/0x10
[ 6420.616686][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6420.616990][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6420.617251][ C0] ? __pfx___up_read+0x10/0x10
[ 6420.617499][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6420.617774][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6420.618056][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6420.618353][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6420.618657][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6420.618946][ C0] __tcf_action_put+0x3d/0xf0
[ 6420.619193][ C0] tcf_action_destroy+0x43/0x130
[ 6420.619452][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6420.619700][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6420.620025][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6420.620305][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6420.620613][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6420.620915][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6420.621205][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6420.621525][ C0] ? __lock_release+0x40f/0x880
[ 6420.621777][ C0] ? __mutex_lock+0x26e/0xb10
[ 6420.622023][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6420.622310][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6420.622629][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6420.622938][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6420.623191][ C0] tcf_chain_flush+0x1e0/0x320
[ 6420.623441][ C0] __tcf_block_put+0x113/0x270
[ 6420.623694][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6420.624005][ C0] __qdisc_destroy+0xee/0x340
[ 6420.624250][ C0] dev_shutdown+0x129/0x350
[ 6420.624488][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6420.624818][ C0] ? rtnl_is_locked+0x15/0x20
[ 6420.625065][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6420.625387][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6420.625736][ C0] ? mutex_is_locked+0x17/0x50
[ 6420.625984][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6420.626295][ C0] cleanup_net+0x4cf/0xb60
[ 6420.626529][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6420.626820][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6420.627076][ C0] ? lock_acquire+0x1c1/0x220
[ 6420.627318][ C0] ? process_one_work+0x714/0x1310
[ 6420.627587][ C0] process_one_work+0x78c/0x1310
[ 6420.627845][ C0] ? hlock_class+0x4e/0x130
[ 6420.628088][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6420.628366][ C0] ? assign_work+0x16c/0x240
[ 6420.628609][ C0] worker_thread+0x73d/0x1010
[ 6420.628859][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6420.629125][ C0] kthread+0x28f/0x360
[ 6420.629337][ C0] ? __pfx_kthread+0x10/0x10
[ 6420.629578][ C0] ret_from_fork+0x31/0x70
[ 6420.629810][ C0] ? __pfx_kthread+0x10/0x10
[ 6420.630050][ C0] ret_from_fork_asm+0x1b/0x30
[ 6420.630304][ C0]
[ 6430.079483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6430.079856][ C0] rcu: 0-....: (883162 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=221008
[ 6430.080423][ C0] rcu: (t=884366 jiffies g=2451281 q=5577 ncpus=4)
[ 6430.080764][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6430.081242][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6430.081871][ C0] Workqueue: netns cleanup_net
[ 6430.082125][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 6430.082393][ 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
[ 6430.083378][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6430.083692][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6430.084096][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6430.084502][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6430.084908][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6430.085315][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 6430.085721][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6430.086181][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6430.086518][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6430.086924][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6430.087332][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6430.087738][ C0] PKRU: 55555554
[ 6430.087924][ C0] Call Trace:
[ 6430.088103][ C0]
[ 6430.088253][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6430.088533][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6430.088790][ C0] ? check_cpu_stall+0x284/0x500
[ 6430.089046][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6430.089336][ C0] ? rcu_pending+0x92/0x360
[ 6430.089573][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6430.089847][ C0] ? update_process_times+0xb9/0x110
[ 6430.090120][ C0] ? tick_sched_handle+0x67/0x130
[ 6430.090381][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6430.090674][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6430.090927][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6430.091242][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6430.091520][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6430.091812][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6430.092085][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6430.092396][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6430.092662][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6430.092976][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6430.093279][ C0]
[ 6430.093431][ C0]
[ 6430.093582][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6430.093904][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6430.094200][ C0] ? kasan_report+0x22/0xf0
[ 6430.094435][ C0] kasan_check_range+0x39/0x1c0
[ 6430.094690][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6430.094977][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6430.095292][ C0] ? __pfx___schedule+0x10/0x10
[ 6430.095550][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6430.095806][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6430.096088][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6430.096376][ C0] ? lock_acquire+0x1c1/0x220
[ 6430.096621][ C0] ? __mutex_lock+0x33e/0xb10
[ 6430.096863][ C0] ? __mutex_lock+0x811/0xb10
[ 6430.097105][ C0] _raw_spin_lock+0x67/0x80
[ 6430.097341][ C0] __mutex_lock+0x33e/0xb10
[ 6430.097575][ C0] ? __lock_release+0x40f/0x880
[ 6430.097826][ C0] ? __pfx___lock_release+0x10/0x10
[ 6430.098098][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6430.098403][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6430.098668][ C0] ? __pfx___up_read+0x10/0x10
[ 6430.098916][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6430.099188][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6430.099460][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6430.099762][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6430.100059][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6430.100350][ C0] __tcf_action_put+0x3d/0xf0
[ 6430.100596][ C0] tcf_action_destroy+0x43/0x130
[ 6430.100850][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6430.101091][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6430.101415][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6430.101693][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6430.101998][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6430.102296][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6430.102590][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6430.102907][ C0] ? __lock_release+0x40f/0x880
[ 6430.103156][ C0] ? __mutex_lock+0x26e/0xb10
[ 6430.103398][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6430.103688][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6430.103997][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6430.104305][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6430.104559][ C0] tcf_chain_flush+0x1e0/0x320
[ 6430.104808][ C0] __tcf_block_put+0x113/0x270
[ 6430.105055][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6430.105361][ C0] __qdisc_destroy+0xee/0x340
[ 6430.105606][ C0] dev_shutdown+0x129/0x350
[ 6430.105841][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6430.106172][ C0] ? rtnl_is_locked+0x15/0x20
[ 6430.106413][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6430.106734][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6430.107080][ C0] ? mutex_is_locked+0x17/0x50
[ 6430.107325][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6430.107633][ C0] cleanup_net+0x4cf/0xb60
[ 6430.107863][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6430.108154][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6430.108408][ C0] ? lock_acquire+0x1c1/0x220
[ 6430.108651][ C0] ? process_one_work+0x714/0x1310
[ 6430.108915][ C0] process_one_work+0x78c/0x1310
[ 6430.109171][ C0] ? hlock_class+0x4e/0x130
[ 6430.109405][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6430.109684][ C0] ? assign_work+0x16c/0x240
[ 6430.109920][ C0] worker_thread+0x73d/0x1010
[ 6430.110166][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6430.110428][ C0] kthread+0x28f/0x360
[ 6430.110641][ C0] ? __pfx_kthread+0x10/0x10
[ 6430.110881][ C0] ret_from_fork+0x31/0x70
[ 6430.111123][ C0] ? __pfx_kthread+0x10/0x10
[ 6430.111372][ C0] ret_from_fork_asm+0x1b/0x30
[ 6430.111625][ C0]
[ 6456.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 850s! [kworker/u8:0:11]
[ 6456.598036][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6456.598968][ C0] irq event stamp: 6208419
[ 6456.599197][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6456.599682][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6456.600161][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6456.600645][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6456.601120][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6456.601598][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6456.602224][ C0] Workqueue: netns cleanup_net
[ 6456.602476][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6456.602744][ 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
[ 6456.603731][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6456.604045][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6456.604450][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6456.604856][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6456.605263][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6456.605670][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6456.606074][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6456.606530][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6456.606867][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6456.607274][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6456.607683][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6456.608093][ C0] PKRU: 55555554
[ 6456.608278][ C0] Call Trace:
[ 6456.608454][ C0]
[ 6456.608609][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6456.608876][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6456.609125][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6456.609407][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6456.609683][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6456.609978][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6456.610249][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6456.610563][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6456.610831][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6456.611146][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6456.611445][ C0]
[ 6456.611601][ C0]
[ 6456.611753][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6456.612075][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6456.612376][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6456.612678][ C0] ? kasan_report+0xd2/0xf0
[ 6456.612917][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6456.613208][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6456.613528][ C0] ? __pfx___schedule+0x10/0x10
[ 6456.613783][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6456.614039][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6456.614315][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6456.614612][ C0] ? lock_acquire+0x1c1/0x220
[ 6456.614854][ C0] ? __mutex_lock+0x33e/0xb10
[ 6456.615099][ C0] ? __mutex_lock+0x811/0xb10
[ 6456.615342][ C0] _raw_spin_lock+0x67/0x80
[ 6456.615577][ C0] __mutex_lock+0x33e/0xb10
[ 6456.615813][ C0] ? __lock_release+0x40f/0x880
[ 6456.616066][ C0] ? __pfx___lock_release+0x10/0x10
[ 6456.616334][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6456.616641][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6456.616913][ C0] ? __pfx___up_read+0x10/0x10
[ 6456.617160][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6456.617433][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6456.617711][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6456.618011][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6456.618312][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6456.618601][ C0] __tcf_action_put+0x3d/0xf0
[ 6456.618847][ C0] tcf_action_destroy+0x43/0x130
[ 6456.619103][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6456.619352][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6456.619680][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6456.619958][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6456.620262][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6456.620564][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6456.620854][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6456.621170][ C0] ? __lock_release+0x40f/0x880
[ 6456.621422][ C0] ? __mutex_lock+0x26e/0xb10
[ 6456.621669][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6456.621959][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6456.622274][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6456.622586][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6456.622838][ C0] tcf_chain_flush+0x1e0/0x320
[ 6456.623086][ C0] __tcf_block_put+0x113/0x270
[ 6456.623335][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6456.623650][ C0] __qdisc_destroy+0xee/0x340
[ 6456.623895][ C0] dev_shutdown+0x129/0x350
[ 6456.624130][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6456.624457][ C0] ? rtnl_is_locked+0x15/0x20
[ 6456.624704][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6456.625023][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6456.625369][ C0] ? mutex_is_locked+0x17/0x50
[ 6456.625619][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6456.625926][ C0] cleanup_net+0x4cf/0xb60
[ 6456.626156][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6456.626446][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6456.626704][ C0] ? lock_acquire+0x1c1/0x220
[ 6456.626944][ C0] ? process_one_work+0x714/0x1310
[ 6456.627211][ C0] process_one_work+0x78c/0x1310
[ 6456.627467][ C0] ? hlock_class+0x4e/0x130
[ 6456.627706][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6456.627987][ C0] ? assign_work+0x16c/0x240
[ 6456.628228][ C0] worker_thread+0x73d/0x1010
[ 6456.628474][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6456.628740][ C0] kthread+0x28f/0x360
[ 6456.628951][ C0] ? __pfx_kthread+0x10/0x10
[ 6456.629190][ C0] ret_from_fork+0x31/0x70
[ 6456.629420][ C0] ? __pfx_kthread+0x10/0x10
[ 6456.629659][ C0] ret_from_fork_asm+0x1b/0x30
[ 6456.629914][ C0]
[ 6464.877165][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 918891 jiffies s: 77393 root: 0x1/.
[ 6464.877829][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6464.878195][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6464.878481][ C0] NMI backtrace for cpu 0
[ 6464.878490][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6464.878496][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6464.878499][ C0] Workqueue: netns cleanup_net
[ 6464.878510][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6464.878518][ 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
[ 6464.878521][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6464.878524][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6464.878526][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6464.878527][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6464.878529][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6464.878531][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6464.878533][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6464.878535][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6464.878540][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6464.878541][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6464.878543][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6464.878544][ C0] PKRU: 55555554
[ 6464.878545][ C0] Call Trace:
[ 6464.878550][ C0]
[ 6464.878556][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6464.878562][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6464.878568][ C0] ? nmi_handle+0x153/0x420
[ 6464.878573][ C0] ? default_do_nmi+0x41/0x100
[ 6464.878579][ C0] ? exc_nmi+0xf3/0x120
[ 6464.878581][ C0] ? end_repeat_nmi+0xf/0x60
[ 6464.878587][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6464.878590][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6464.878593][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6464.878597][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6464.878600][ C0]
[ 6464.878601][ C0]
[ 6464.878603][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6464.878607][ C0] ? __pfx___schedule+0x10/0x10
[ 6464.878613][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6464.878620][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6464.878623][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6464.878626][ C0] ? lock_acquire+0x1c1/0x220
[ 6464.878629][ C0] ? __mutex_lock+0x33e/0xb10
[ 6464.878633][ C0] ? __mutex_lock+0x811/0xb10
[ 6464.878635][ C0] _raw_spin_lock+0x67/0x80
[ 6464.878639][ C0] __mutex_lock+0x33e/0xb10
[ 6464.878642][ C0] ? __lock_release+0x40f/0x880
[ 6464.878645][ C0] ? __pfx___lock_release+0x10/0x10
[ 6464.878647][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6464.878654][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6464.878657][ C0] ? __pfx___up_read+0x10/0x10
[ 6464.878661][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6464.878664][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6464.878670][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6464.878679][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6464.878682][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6464.878686][ C0] __tcf_action_put+0x3d/0xf0
[ 6464.878691][ C0] tcf_action_destroy+0x43/0x130
[ 6464.878696][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6464.878699][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6464.878712][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6464.878721][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6464.878729][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6464.878738][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6464.878748][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6464.878755][ C0] ? __lock_release+0x40f/0x880
[ 6464.878759][ C0] ? __mutex_lock+0x26e/0xb10
[ 6464.878763][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6464.878773][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6464.878781][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6464.878786][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6464.878790][ C0] tcf_chain_flush+0x1e0/0x320
[ 6464.878795][ C0] __tcf_block_put+0x113/0x270
[ 6464.878799][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6464.878807][ C0] __qdisc_destroy+0xee/0x340
[ 6464.878812][ C0] dev_shutdown+0x129/0x350
[ 6464.878816][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6464.878821][ C0] ? rtnl_is_locked+0x15/0x20
[ 6464.878825][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6464.878828][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6464.878831][ C0] ? mutex_is_locked+0x17/0x50
[ 6464.878834][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6464.878841][ C0] cleanup_net+0x4cf/0xb60
[ 6464.878844][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6464.878847][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6464.878850][ C0] ? lock_acquire+0x1c1/0x220
[ 6464.878852][ C0] ? process_one_work+0x714/0x1310
[ 6464.878858][ C0] process_one_work+0x78c/0x1310
[ 6464.878863][ C0] ? hlock_class+0x4e/0x130
[ 6464.878866][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6464.878871][ C0] ? assign_work+0x16c/0x240
[ 6464.878874][ C0] worker_thread+0x73d/0x1010
[ 6464.878880][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6464.878882][ C0] kthread+0x28f/0x360
[ 6464.878886][ C0] ? __pfx_kthread+0x10/0x10
[ 6464.878888][ C0] ret_from_fork+0x31/0x70
[ 6464.878892][ C0] ? __pfx_kthread+0x10/0x10
[ 6464.878894][ C0] ret_from_fork_asm+0x1b/0x30
[ 6464.878904][ C0]
[ 6492.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 883s! [kworker/u8:0:11]
[ 6492.598080][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6492.599024][ C0] irq event stamp: 6208419
[ 6492.599252][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6492.599753][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6492.600240][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6492.600729][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6492.601205][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6492.601693][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6492.602319][ C0] Workqueue: netns cleanup_net
[ 6492.602576][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6492.602907][ 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
[ 6492.603906][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6492.604218][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6492.604630][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6492.605036][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6492.605441][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6492.605851][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6492.606256][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6492.606717][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6492.607056][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6492.607465][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6492.608009][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6492.608577][ C0] PKRU: 55555554
[ 6492.608773][ C0] Call Trace:
[ 6492.608947][ C0]
[ 6492.609102][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6492.609373][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6492.609631][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6492.609913][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6492.610190][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6492.610489][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6492.610765][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6492.611078][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6492.611347][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6492.611675][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6492.611978][ C0]
[ 6492.612131][ C0]
[ 6492.612289][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6492.612619][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6492.612919][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6492.613221][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6492.613548][ C0] ? __pfx___schedule+0x10/0x10
[ 6492.613804][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6492.614060][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6492.614340][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6492.614637][ C0] ? lock_acquire+0x1c1/0x220
[ 6492.614882][ C0] ? __mutex_lock+0x33e/0xb10
[ 6492.615126][ C0] ? __mutex_lock+0x811/0xb10
[ 6492.615369][ C0] _raw_spin_lock+0x67/0x80
[ 6492.615622][ C0] __mutex_lock+0x33e/0xb10
[ 6492.615860][ C0] ? __lock_release+0x40f/0x880
[ 6492.616111][ C0] ? __pfx___lock_release+0x10/0x10
[ 6492.616381][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6492.616691][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6492.616962][ C0] ? __pfx___up_read+0x10/0x10
[ 6492.617213][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6492.617491][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6492.617795][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6492.618094][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6492.618394][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6492.618692][ C0] __tcf_action_put+0x3d/0xf0
[ 6492.618943][ C0] tcf_action_destroy+0x43/0x130
[ 6492.619199][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6492.619442][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6492.619783][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6492.620066][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6492.620376][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6492.620688][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6492.620980][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6492.621297][ C0] ? __lock_release+0x40f/0x880
[ 6492.621559][ C0] ? __mutex_lock+0x26e/0xb10
[ 6492.621804][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6492.622095][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6492.622408][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6492.622724][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6492.622979][ C0] tcf_chain_flush+0x1e0/0x320
[ 6492.623231][ C0] __tcf_block_put+0x113/0x270
[ 6492.623486][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6492.623805][ C0] __qdisc_destroy+0xee/0x340
[ 6492.624048][ C0] dev_shutdown+0x129/0x350
[ 6492.624285][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6492.624626][ C0] ? rtnl_is_locked+0x15/0x20
[ 6492.624873][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6492.625197][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6492.625554][ C0] ? mutex_is_locked+0x17/0x50
[ 6492.625802][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6492.626111][ C0] cleanup_net+0x4cf/0xb60
[ 6492.626345][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6492.626640][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6492.626896][ C0] ? lock_acquire+0x1c1/0x220
[ 6492.627139][ C0] ? process_one_work+0x714/0x1310
[ 6492.627404][ C0] process_one_work+0x78c/0x1310
[ 6492.627685][ C0] ? hlock_class+0x4e/0x130
[ 6492.627930][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6492.628209][ C0] ? assign_work+0x16c/0x240
[ 6492.628449][ C0] worker_thread+0x73d/0x1010
[ 6492.628705][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6492.628967][ C0] kthread+0x28f/0x360
[ 6492.629180][ C0] ? __pfx_kthread+0x10/0x10
[ 6492.629419][ C0] ret_from_fork+0x31/0x70
[ 6492.629660][ C0] ? __pfx_kthread+0x10/0x10
[ 6492.629900][ C0] ret_from_fork_asm+0x1b/0x30
[ 6492.630154][ C0]
[ 6508.111485][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6508.111881][ C0] rcu: 0-....: (961074 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=240509
[ 6508.112449][ C0] rcu: (t=962398 jiffies g=2451281 q=5580 ncpus=4)
[ 6508.112799][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6508.113281][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6508.113913][ C0] Workqueue: netns cleanup_net
[ 6508.114164][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 6508.114432][ 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
[ 6508.115425][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6508.115743][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6508.116152][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6508.116567][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6508.116971][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6508.117375][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6508.117805][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6508.118259][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6508.118604][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6508.119012][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6508.119415][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6508.119830][ C0] PKRU: 55555554
[ 6508.120021][ C0] Call Trace:
[ 6508.120195][ C0]
[ 6508.120348][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6508.120637][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6508.120896][ C0] ? check_cpu_stall+0x284/0x500
[ 6508.121152][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6508.121443][ C0] ? rcu_pending+0x92/0x360
[ 6508.121687][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6508.121962][ C0] ? update_process_times+0xb9/0x110
[ 6508.122236][ C0] ? tick_sched_handle+0x67/0x130
[ 6508.122505][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6508.122796][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6508.123042][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6508.123360][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6508.123643][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6508.123938][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6508.124206][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6508.124524][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6508.124789][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6508.125103][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6508.125404][ C0]
[ 6508.125565][ C0]
[ 6508.125718][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6508.126038][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6508.126341][ C0] ? kasan_report+0x19/0xf0
[ 6508.126587][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6508.126883][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6508.127173][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6508.127501][ C0] ? __pfx___schedule+0x10/0x10
[ 6508.127798][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6508.128054][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6508.128332][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6508.128628][ C0] ? lock_acquire+0x1c1/0x220
[ 6508.128873][ C0] ? __mutex_lock+0x33e/0xb10
[ 6508.129119][ C0] ? __mutex_lock+0x811/0xb10
[ 6508.129363][ C0] _raw_spin_lock+0x67/0x80
[ 6508.129605][ C0] __mutex_lock+0x33e/0xb10
[ 6508.129842][ C0] ? __lock_release+0x40f/0x880
[ 6508.130095][ C0] ? __pfx___lock_release+0x10/0x10
[ 6508.130363][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6508.130675][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6508.130936][ C0] ? __pfx___up_read+0x10/0x10
[ 6508.131185][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6508.131463][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6508.131754][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6508.132055][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6508.132360][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6508.132660][ C0] __tcf_action_put+0x3d/0xf0
[ 6508.132908][ C0] tcf_action_destroy+0x43/0x130
[ 6508.133167][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6508.133415][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6508.133750][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6508.134034][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6508.134340][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6508.134649][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6508.134940][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6508.135258][ C0] ? __lock_release+0x40f/0x880
[ 6508.135518][ C0] ? __mutex_lock+0x26e/0xb10
[ 6508.135763][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6508.136051][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6508.136368][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6508.136684][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6508.136936][ C0] tcf_chain_flush+0x1e0/0x320
[ 6508.137185][ C0] __tcf_block_put+0x113/0x270
[ 6508.137433][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6508.137773][ C0] __qdisc_destroy+0xee/0x340
[ 6508.138016][ C0] dev_shutdown+0x129/0x350
[ 6508.138254][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6508.138588][ C0] ? rtnl_is_locked+0x15/0x20
[ 6508.138833][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6508.139153][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6508.139505][ C0] ? mutex_is_locked+0x17/0x50
[ 6508.139754][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6508.140062][ C0] cleanup_net+0x4cf/0xb60
[ 6508.140293][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6508.140590][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6508.140846][ C0] ? lock_acquire+0x1c1/0x220
[ 6508.141089][ C0] ? process_one_work+0x714/0x1310
[ 6508.141356][ C0] process_one_work+0x78c/0x1310
[ 6508.141623][ C0] ? hlock_class+0x4e/0x130
[ 6508.141859][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6508.142137][ C0] ? assign_work+0x16c/0x240
[ 6508.142376][ C0] worker_thread+0x73d/0x1010
[ 6508.142628][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6508.142896][ C0] kthread+0x28f/0x360
[ 6508.143108][ C0] ? __pfx_kthread+0x10/0x10
[ 6508.143346][ C0] ret_from_fork+0x31/0x70
[ 6508.143584][ C0] ? __pfx_kthread+0x10/0x10
[ 6508.143823][ C0] ret_from_fork_asm+0x1b/0x30
[ 6508.144075][ C0]
[ 6532.597575][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 920s! [kworker/u8:0:11]
[ 6532.598056][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6532.599019][ C0] irq event stamp: 6208419
[ 6532.599258][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6532.599768][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6532.600276][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6532.600783][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6532.601280][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6532.601783][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6532.602437][ C0] Workqueue: netns cleanup_net
[ 6532.602702][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 6532.602988][ 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
[ 6532.604019][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 6532.604343][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6532.604769][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6532.605195][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6532.605619][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6532.606044][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6532.606467][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6532.606943][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6532.607298][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6532.607733][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6532.608156][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6532.608580][ C0] PKRU: 55555554
[ 6532.608773][ C0] Call Trace:
[ 6532.608958][ C0]
[ 6532.609116][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6532.609395][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6532.609657][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6532.609952][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6532.610242][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6532.610551][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6532.610835][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6532.611171][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6532.611451][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6532.611785][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6532.612106][ C0]
[ 6532.612274][ C0]
[ 6532.612439][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6532.612778][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6532.613090][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6532.613395][ C0] ? report_enabled+0x19/0x30
[ 6532.613652][ C0] kasan_report+0x41/0xf0
[ 6532.613887][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6532.614196][ C0] ? kasan_report+0xda/0xf0
[ 6532.614442][ C0] kasan_check_range+0x39/0x1c0
[ 6532.614709][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6532.615010][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6532.615345][ C0] ? __pfx___schedule+0x10/0x10
[ 6532.615616][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6532.615882][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6532.616173][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6532.616474][ C0] ? lock_acquire+0x1c1/0x220
[ 6532.616731][ C0] ? __mutex_lock+0x33e/0xb10
[ 6532.616989][ C0] ? __mutex_lock+0x811/0xb10
[ 6532.617242][ C0] _raw_spin_lock+0x67/0x80
[ 6532.617497][ C0] __mutex_lock+0x33e/0xb10
[ 6532.617746][ C0] ? __lock_release+0x40f/0x880
[ 6532.618008][ C0] ? __pfx___lock_release+0x10/0x10
[ 6532.618288][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6532.618605][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6532.618879][ C0] ? __pfx___up_read+0x10/0x10
[ 6532.619139][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6532.619425][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6532.619716][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6532.620029][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6532.620344][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6532.620651][ C0] __tcf_action_put+0x3d/0xf0
[ 6532.620909][ C0] tcf_action_destroy+0x43/0x130
[ 6532.621183][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6532.621435][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6532.621778][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6532.622071][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6532.622388][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6532.622704][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6532.623006][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6532.623337][ C0] ? __lock_release+0x40f/0x880
[ 6532.623603][ C0] ? __mutex_lock+0x26e/0xb10
[ 6532.623856][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6532.624158][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6532.624485][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6532.624808][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6532.625076][ C0] tcf_chain_flush+0x1e0/0x320
[ 6532.625338][ C0] __tcf_block_put+0x113/0x270
[ 6532.625605][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6532.625929][ C0] __qdisc_destroy+0xee/0x340
[ 6532.626187][ C0] dev_shutdown+0x129/0x350
[ 6532.626436][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6532.626785][ C0] ? rtnl_is_locked+0x15/0x20
[ 6532.627043][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6532.627378][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6532.627749][ C0] ? mutex_is_locked+0x17/0x50
[ 6532.628010][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6532.628329][ C0] cleanup_net+0x4cf/0xb60
[ 6532.628577][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6532.628882][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6532.629150][ C0] ? lock_acquire+0x1c1/0x220
[ 6532.629406][ C0] ? process_one_work+0x714/0x1310
[ 6532.629688][ C0] process_one_work+0x78c/0x1310
[ 6532.629960][ C0] ? hlock_class+0x4e/0x130
[ 6532.630209][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6532.630502][ C0] ? assign_work+0x16c/0x240
[ 6532.630755][ C0] worker_thread+0x73d/0x1010
[ 6532.631012][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6532.631289][ C0] kthread+0x28f/0x360
[ 6532.631516][ C0] ? __pfx_kthread+0x10/0x10
[ 6532.631768][ C0] ret_from_fork+0x31/0x70
[ 6532.632012][ C0] ? __pfx_kthread+0x10/0x10
[ 6532.632264][ C0] ret_from_fork_asm+0x1b/0x30
[ 6532.632532][ C0]
[ 6560.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 947s! [kworker/u8:0:11]
[ 6560.598053][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6560.599024][ C0] irq event stamp: 6208419
[ 6560.599263][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6560.599766][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6560.600266][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6560.600766][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6560.601258][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6560.601755][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6560.602409][ C0] Workqueue: netns cleanup_net
[ 6560.602673][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 6560.602961][ 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
[ 6560.603989][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 6560.604313][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6560.604734][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6560.605155][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6560.605584][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6560.606012][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6560.606455][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6560.606943][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6560.607294][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6560.607733][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6560.608157][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6560.608583][ C0] PKRU: 55555554
[ 6560.608776][ C0] Call Trace:
[ 6560.608959][ C0]
[ 6560.609119][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6560.609398][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6560.609663][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6560.609964][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6560.610254][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6560.610565][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6560.610847][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6560.611172][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6560.611452][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6560.611787][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6560.612104][ C0]
[ 6560.612265][ C0]
[ 6560.612426][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6560.612764][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6560.613074][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6560.613382][ C0] ? report_enabled+0x19/0x30
[ 6560.613640][ C0] kasan_report+0x41/0xf0
[ 6560.613874][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6560.614185][ C0] ? kasan_report+0xda/0xf0
[ 6560.614430][ C0] kasan_check_range+0x39/0x1c0
[ 6560.614700][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6560.615000][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6560.615334][ C0] ? __pfx___schedule+0x10/0x10
[ 6560.615603][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6560.615871][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6560.616160][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6560.616467][ C0] ? lock_acquire+0x1c1/0x220
[ 6560.616723][ C0] ? __mutex_lock+0x33e/0xb10
[ 6560.616978][ C0] ? __mutex_lock+0x811/0xb10
[ 6560.617235][ C0] _raw_spin_lock+0x67/0x80
[ 6560.617492][ C0] __mutex_lock+0x33e/0xb10
[ 6560.617738][ C0] ? __lock_release+0x40f/0x880
[ 6560.618003][ C0] ? __pfx___lock_release+0x10/0x10
[ 6560.618285][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6560.618607][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6560.618884][ C0] ? __pfx___up_read+0x10/0x10
[ 6560.619146][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6560.619435][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6560.619725][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6560.620037][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6560.620351][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6560.620660][ C0] __tcf_action_put+0x3d/0xf0
[ 6560.620917][ C0] tcf_action_destroy+0x43/0x130
[ 6560.621188][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6560.621445][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6560.621785][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6560.622079][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6560.622399][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6560.622716][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6560.623024][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6560.623355][ C0] ? __lock_release+0x40f/0x880
[ 6560.623619][ C0] ? __mutex_lock+0x26e/0xb10
[ 6560.623875][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6560.624176][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6560.624508][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6560.624834][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6560.625101][ C0] tcf_chain_flush+0x1e0/0x320
[ 6560.625360][ C0] __tcf_block_put+0x113/0x270
[ 6560.625622][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6560.625948][ C0] __qdisc_destroy+0xee/0x340
[ 6560.626207][ C0] dev_shutdown+0x129/0x350
[ 6560.626454][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6560.626803][ C0] ? rtnl_is_locked+0x15/0x20
[ 6560.627058][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6560.627400][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6560.627767][ C0] ? mutex_is_locked+0x17/0x50
[ 6560.628026][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6560.628349][ C0] cleanup_net+0x4cf/0xb60
[ 6560.628596][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6560.628899][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6560.629170][ C0] ? lock_acquire+0x1c1/0x220
[ 6560.629423][ C0] ? process_one_work+0x714/0x1310
[ 6560.629702][ C0] process_one_work+0x78c/0x1310
[ 6560.629974][ C0] ? hlock_class+0x4e/0x130
[ 6560.630220][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6560.630514][ C0] ? assign_work+0x16c/0x240
[ 6560.630764][ C0] worker_thread+0x73d/0x1010
[ 6560.631024][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6560.631301][ C0] kthread+0x28f/0x360
[ 6560.631525][ C0] ? __pfx_kthread+0x10/0x10
[ 6560.631775][ C0] ret_from_fork+0x31/0x70
[ 6560.632019][ C0] ? __pfx_kthread+0x10/0x10
[ 6560.632268][ C0] ret_from_fork_asm+0x1b/0x30
[ 6560.632537][ C0]
[ 6563.180508][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1017195 jiffies s: 77393 root: 0x1/.
[ 6563.181168][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6563.181547][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6563.181829][ C0] NMI backtrace for cpu 0
[ 6563.181836][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6563.181839][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6563.181842][ C0] Workqueue: netns cleanup_net
[ 6563.181847][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 6563.181852][ 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
[ 6563.181856][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6563.181858][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6563.181860][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6563.181862][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6563.181863][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6563.181865][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 6563.181866][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6563.181868][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6563.181872][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6563.181873][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6563.181874][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6563.181875][ C0] PKRU: 55555554
[ 6563.181876][ C0] Call Trace:
[ 6563.181879][ C0]
[ 6563.181881][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6563.181887][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6563.181892][ C0] ? nmi_handle+0x153/0x420
[ 6563.181898][ C0] ? default_do_nmi+0x41/0x100
[ 6563.181902][ C0] ? exc_nmi+0xf3/0x120
[ 6563.181905][ C0] ? end_repeat_nmi+0xf/0x60
[ 6563.181909][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6563.181914][ C0] ? kasan_report+0x29/0xf0
[ 6563.181917][ C0] ? kasan_report+0x29/0xf0
[ 6563.181920][ C0] ? kasan_report+0x29/0xf0
[ 6563.181923][ C0]
[ 6563.181923][ C0]
[ 6563.181925][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6563.181928][ C0] ? kasan_report+0xda/0xf0
[ 6563.181932][ C0] kasan_check_range+0x39/0x1c0
[ 6563.181937][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6563.181941][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6563.181945][ C0] ? __pfx___schedule+0x10/0x10
[ 6563.181950][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6563.181956][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6563.181958][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6563.181961][ C0] ? lock_acquire+0x1c1/0x220
[ 6563.181964][ C0] ? __mutex_lock+0x33e/0xb10
[ 6563.181968][ C0] ? __mutex_lock+0x811/0xb10
[ 6563.181971][ C0] _raw_spin_lock+0x67/0x80
[ 6563.181974][ C0] __mutex_lock+0x33e/0xb10
[ 6563.181977][ C0] ? __lock_release+0x40f/0x880
[ 6563.181981][ C0] ? __pfx___lock_release+0x10/0x10
[ 6563.181983][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6563.181989][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6563.181992][ C0] ? __pfx___up_read+0x10/0x10
[ 6563.181995][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6563.181998][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6563.182003][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6563.182009][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6563.182012][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6563.182017][ C0] __tcf_action_put+0x3d/0xf0
[ 6563.182021][ C0] tcf_action_destroy+0x43/0x130
[ 6563.182025][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6563.182027][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6563.182037][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6563.182046][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6563.182054][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6563.182063][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6563.182072][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6563.182080][ C0] ? __lock_release+0x40f/0x880
[ 6563.182083][ C0] ? __mutex_lock+0x26e/0xb10
[ 6563.182088][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6563.182097][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6563.182105][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6563.182109][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6563.182113][ C0] tcf_chain_flush+0x1e0/0x320
[ 6563.182117][ C0] __tcf_block_put+0x113/0x270
[ 6563.182121][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6563.182129][ C0] __qdisc_destroy+0xee/0x340
[ 6563.182133][ C0] dev_shutdown+0x129/0x350
[ 6563.182136][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6563.182141][ C0] ? rtnl_is_locked+0x15/0x20
[ 6563.182145][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6563.182147][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6563.182151][ C0] ? mutex_is_locked+0x17/0x50
[ 6563.182153][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6563.182158][ C0] cleanup_net+0x4cf/0xb60
[ 6563.182161][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6563.182163][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6563.182166][ C0] ? lock_acquire+0x1c1/0x220
[ 6563.182168][ C0] ? process_one_work+0x714/0x1310
[ 6563.182172][ C0] process_one_work+0x78c/0x1310
[ 6563.182177][ C0] ? hlock_class+0x4e/0x130
[ 6563.182181][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6563.182185][ C0] ? assign_work+0x16c/0x240
[ 6563.182188][ C0] worker_thread+0x73d/0x1010
[ 6563.182194][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6563.182196][ C0] kthread+0x28f/0x360
[ 6563.182199][ C0] ? __pfx_kthread+0x10/0x10
[ 6563.182201][ C0] ret_from_fork+0x31/0x70
[ 6563.182204][ C0] ? __pfx_kthread+0x10/0x10
[ 6563.182206][ C0] ret_from_fork_asm+0x1b/0x30
[ 6563.182213][ C0]
[ 6586.144484][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6586.144881][ C0] rcu: 0-....: (1038980 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=260010
[ 6586.145474][ C0] rcu: (t=1040431 jiffies g=2451281 q=5609 ncpus=4)
[ 6586.145832][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6586.146334][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6586.146979][ C0] Workqueue: netns cleanup_net
[ 6586.147253][ C0] RIP: 0010:kasan_report+0xd6/0xf0
[ 6586.147535][ C0] Code: 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 45 31 e4 eb
[ 6586.148565][ C0] RSP: 0018:ffffc900000bf388 EFLAGS: 00000286
[ 6586.148897][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6586.149320][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6586.149744][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6586.150170][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6586.150605][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6586.151043][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6586.151535][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6586.151899][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6586.152328][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6586.152752][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6586.153177][ C0] PKRU: 55555554
[ 6586.153370][ C0] Call Trace:
[ 6586.153555][ C0]
[ 6586.153714][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6586.154008][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6586.154277][ C0] ? check_cpu_stall+0x284/0x500
[ 6586.154547][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6586.154856][ C0] ? rcu_pending+0x92/0x360
[ 6586.155102][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6586.155391][ C0] ? update_process_times+0xb9/0x110
[ 6586.155680][ C0] ? tick_sched_handle+0x67/0x130
[ 6586.155953][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6586.156256][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6586.156515][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6586.156846][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6586.157139][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6586.157453][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6586.157736][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6586.158060][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6586.158338][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6586.158669][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6586.158986][ C0]
[ 6586.159146][ C0]
[ 6586.159307][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6586.159644][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6586.159954][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6586.160262][ C0] ? kasan_report+0xd6/0xf0
[ 6586.160508][ C0] kasan_check_range+0x39/0x1c0
[ 6586.160779][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6586.161078][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6586.161409][ C0] ? __pfx___schedule+0x10/0x10
[ 6586.161677][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6586.161944][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6586.162234][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6586.162540][ C0] ? lock_acquire+0x1c1/0x220
[ 6586.162796][ C0] ? __mutex_lock+0x33e/0xb10
[ 6586.163052][ C0] ? __mutex_lock+0x811/0xb10
[ 6586.163308][ C0] _raw_spin_lock+0x67/0x80
[ 6586.163557][ C0] __mutex_lock+0x33e/0xb10
[ 6586.163802][ C0] ? __lock_release+0x40f/0x880
[ 6586.164066][ C0] ? __pfx___lock_release+0x10/0x10
[ 6586.164349][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6586.164669][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6586.164943][ C0] ? __pfx___up_read+0x10/0x10
[ 6586.165205][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6586.165491][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6586.165781][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6586.166101][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6586.166415][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6586.166722][ C0] __tcf_action_put+0x3d/0xf0
[ 6586.166978][ C0] tcf_action_destroy+0x43/0x130
[ 6586.167249][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6586.167507][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6586.167847][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6586.168137][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6586.168457][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6586.168772][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6586.169077][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6586.169410][ C0] ? __lock_release+0x40f/0x880
[ 6586.169672][ C0] ? __mutex_lock+0x26e/0xb10
[ 6586.169934][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6586.170236][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6586.170565][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6586.170893][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6586.171159][ C0] tcf_chain_flush+0x1e0/0x320
[ 6586.171421][ C0] __tcf_block_put+0x113/0x270
[ 6586.171682][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6586.172009][ C0] __qdisc_destroy+0xee/0x340
[ 6586.172268][ C0] dev_shutdown+0x129/0x350
[ 6586.172518][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6586.172863][ C0] ? rtnl_is_locked+0x15/0x20
[ 6586.173120][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6586.173458][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6586.173826][ C0] ? mutex_is_locked+0x17/0x50
[ 6586.174083][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6586.174408][ C0] cleanup_net+0x4cf/0xb60
[ 6586.174653][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6586.174956][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6586.175225][ C0] ? lock_acquire+0x1c1/0x220
[ 6586.175481][ C0] ? process_one_work+0x714/0x1310
[ 6586.175763][ C0] process_one_work+0x78c/0x1310
[ 6586.176034][ C0] ? hlock_class+0x4e/0x130
[ 6586.176278][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6586.176573][ C0] ? assign_work+0x16c/0x240
[ 6586.176822][ C0] worker_thread+0x73d/0x1010
[ 6586.177083][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6586.177365][ C0] kthread+0x28f/0x360
[ 6586.177587][ C0] ? __pfx_kthread+0x10/0x10
[ 6586.177839][ C0] ret_from_fork+0x31/0x70
[ 6586.178084][ C0] ? __pfx_kthread+0x10/0x10
[ 6586.178332][ C0] ret_from_fork_asm+0x1b/0x30
[ 6586.178603][ C0]
[ 6612.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 995s! [kworker/u8:0:11]
[ 6612.598053][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6612.599020][ C0] irq event stamp: 6208419
[ 6612.599256][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6612.599768][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6612.600269][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6612.600770][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6612.601267][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6612.601769][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6612.602449][ C0] Workqueue: netns cleanup_net
[ 6612.602713][ C0] RIP: 0010:__asan_report_load4_noabort+0x0/0x20
[ 6612.603057][ C0] Code: 0c 24 31 d2 be 02 00 00 00 e9 4c e0 ff ff 66 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 90 0f 1e fa 48 8b 0c 24 31 d2 be 04 00 00 00 e9 1c e0 ff ff 66 66
[ 6612.604089][ C0] RSP: 0018:ffffc900000bf3d8 EFLAGS: 00000282
[ 6612.604411][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb35b0
[ 6612.604839][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6612.605263][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6612.605690][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6612.606114][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6612.606539][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6612.607014][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6612.607378][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6612.607809][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6612.608236][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6612.608663][ C0] PKRU: 55555554
[ 6612.608857][ C0] Call Trace:
[ 6612.609040][ C0]
[ 6612.609201][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6612.609483][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6612.609744][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6612.610042][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6612.610334][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6612.610643][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6612.610931][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6612.611255][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6612.611535][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6612.611868][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6612.612186][ C0]
[ 6612.612346][ C0]
[ 6612.612509][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6612.612846][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6612.613156][ C0] ? __pfx___asan_report_load4_noabort+0x10/0x10
[ 6612.613502][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6612.613806][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6612.614141][ C0] ? __pfx___schedule+0x10/0x10
[ 6612.614410][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6612.614678][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6612.614970][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6612.615275][ C0] ? lock_acquire+0x1c1/0x220
[ 6612.615528][ C0] ? __mutex_lock+0x33e/0xb10
[ 6612.615787][ C0] ? __mutex_lock+0x811/0xb10
[ 6612.616042][ C0] _raw_spin_lock+0x67/0x80
[ 6612.616289][ C0] __mutex_lock+0x33e/0xb10
[ 6612.616536][ C0] ? __lock_release+0x40f/0x880
[ 6612.616801][ C0] ? __pfx___lock_release+0x10/0x10
[ 6612.617086][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6612.617407][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6612.617683][ C0] ? __pfx___up_read+0x10/0x10
[ 6612.617945][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6612.618234][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6612.618525][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6612.618836][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6612.619150][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6612.619455][ C0] __tcf_action_put+0x3d/0xf0
[ 6612.619715][ C0] tcf_action_destroy+0x43/0x130
[ 6612.619983][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6612.620239][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6612.620584][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6612.620879][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6612.621200][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6612.621516][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6612.621823][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6612.622154][ C0] ? __lock_release+0x40f/0x880
[ 6612.622422][ C0] ? __mutex_lock+0x26e/0xb10
[ 6612.622682][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6612.622983][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6612.623315][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6612.623642][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6612.623908][ C0] tcf_chain_flush+0x1e0/0x320
[ 6612.624169][ C0] __tcf_block_put+0x113/0x270
[ 6612.624430][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6612.624761][ C0] __qdisc_destroy+0xee/0x340
[ 6612.625019][ C0] dev_shutdown+0x129/0x350
[ 6612.625266][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6612.625612][ C0] ? rtnl_is_locked+0x15/0x20
[ 6612.625870][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6612.626207][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6612.626578][ C0] ? mutex_is_locked+0x17/0x50
[ 6612.626838][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6612.627168][ C0] cleanup_net+0x4cf/0xb60
[ 6612.627409][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6612.627717][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6612.627986][ C0] ? lock_acquire+0x1c1/0x220
[ 6612.628241][ C0] ? process_one_work+0x714/0x1310
[ 6612.628522][ C0] process_one_work+0x78c/0x1310
[ 6612.628794][ C0] ? hlock_class+0x4e/0x130
[ 6612.629040][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6612.629333][ C0] ? assign_work+0x16c/0x240
[ 6612.629588][ C0] worker_thread+0x73d/0x1010
[ 6612.629845][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6612.630123][ C0] kthread+0x28f/0x360
[ 6612.630346][ C0] ? __pfx_kthread+0x10/0x10
[ 6612.630601][ C0] ret_from_fork+0x31/0x70
[ 6612.630842][ C0] ? __pfx_kthread+0x10/0x10
[ 6612.631093][ C0] ret_from_fork_asm+0x1b/0x30
[ 6612.631361][ C0]
[ 6640.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1021s! [kworker/u8:0:11]
[ 6640.598058][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6640.599027][ C0] irq event stamp: 6208419
[ 6640.599263][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6640.599770][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6640.600271][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6640.600774][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6640.601271][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6640.601771][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6640.602424][ C0] Workqueue: netns cleanup_net
[ 6640.602687][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6640.602966][ 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
[ 6640.603997][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6640.604323][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6640.604751][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6640.605173][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6640.605596][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6640.606018][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6640.606442][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6640.606919][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6640.607275][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6640.607703][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6640.608127][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6640.608550][ C0] PKRU: 55555554
[ 6640.608745][ C0] Call Trace:
[ 6640.608926][ C0]
[ 6640.609088][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6640.609370][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6640.609634][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6640.609929][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6640.610221][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6640.610533][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6640.610816][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6640.611141][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6640.611420][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6640.611753][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6640.612067][ C0]
[ 6640.612225][ C0]
[ 6640.612386][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6640.612723][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6640.613036][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6640.613356][ C0] ? kasan_report+0xd2/0xf0
[ 6640.613606][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6640.613911][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6640.614245][ C0] ? __pfx___schedule+0x10/0x10
[ 6640.614514][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6640.614781][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6640.615073][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6640.615375][ C0] ? lock_acquire+0x1c1/0x220
[ 6640.615637][ C0] ? __mutex_lock+0x33e/0xb10
[ 6640.615896][ C0] ? __mutex_lock+0x811/0xb10
[ 6640.616150][ C0] _raw_spin_lock+0x67/0x80
[ 6640.616396][ C0] __mutex_lock+0x33e/0xb10
[ 6640.616645][ C0] ? __lock_release+0x40f/0x880
[ 6640.616910][ C0] ? __pfx___lock_release+0x10/0x10
[ 6640.617197][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6640.617519][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6640.617792][ C0] ? __pfx___up_read+0x10/0x10
[ 6640.618053][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6640.618341][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6640.618631][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6640.618943][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6640.619260][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6640.619568][ C0] __tcf_action_put+0x3d/0xf0
[ 6640.619827][ C0] tcf_action_destroy+0x43/0x130
[ 6640.620098][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6640.620354][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6640.620697][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6640.620990][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6640.621309][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6640.621633][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6640.621939][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6640.622274][ C0] ? __lock_release+0x40f/0x880
[ 6640.622544][ C0] ? __mutex_lock+0x26e/0xb10
[ 6640.622801][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6640.623105][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6640.623444][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6640.623770][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6640.624036][ C0] tcf_chain_flush+0x1e0/0x320
[ 6640.624298][ C0] __tcf_block_put+0x113/0x270
[ 6640.624564][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6640.624889][ C0] __qdisc_destroy+0xee/0x340
[ 6640.625146][ C0] dev_shutdown+0x129/0x350
[ 6640.625394][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6640.625738][ C0] ? rtnl_is_locked+0x15/0x20
[ 6640.625997][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6640.626338][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6640.626705][ C0] ? mutex_is_locked+0x17/0x50
[ 6640.626977][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6640.627300][ C0] cleanup_net+0x4cf/0xb60
[ 6640.627546][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6640.627849][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6640.628117][ C0] ? lock_acquire+0x1c1/0x220
[ 6640.628372][ C0] ? process_one_work+0x714/0x1310
[ 6640.628651][ C0] process_one_work+0x78c/0x1310
[ 6640.628921][ C0] ? hlock_class+0x4e/0x130
[ 6640.629169][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6640.629462][ C0] ? assign_work+0x16c/0x240
[ 6640.629716][ C0] worker_thread+0x73d/0x1010
[ 6640.629972][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6640.630249][ C0] kthread+0x28f/0x360
[ 6640.630473][ C0] ? __pfx_kthread+0x10/0x10
[ 6640.630722][ C0] ret_from_fork+0x31/0x70
[ 6640.630966][ C0] ? __pfx_kthread+0x10/0x10
[ 6640.631217][ C0] ret_from_fork_asm+0x1b/0x30
[ 6640.631483][ C0]
[ 6661.484519][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1115499 jiffies s: 77393 root: 0x1/.
[ 6661.485192][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6661.485572][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6661.485855][ C0] NMI backtrace for cpu 0
[ 6661.485864][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6661.485869][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6661.485872][ C0] Workqueue: netns cleanup_net
[ 6661.485882][ C0] RIP: 0010:queued_spin_lock_slowpath+0xba/0xb90
[ 6661.485890][ C0] Code: 00 fc ff df 49 c1 ed 03 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
[ 6661.485893][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000213
[ 6661.485896][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb35b0
[ 6661.485898][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6661.485899][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6661.485901][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6661.485903][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6661.485904][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6661.485906][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6661.485910][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6661.485912][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6661.485913][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6661.485914][ C0] PKRU: 55555554
[ 6661.485915][ C0] Call Trace:
[ 6661.485921][ C0]
[ 6661.485925][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6661.485931][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6661.485937][ C0] ? nmi_handle+0x153/0x420
[ 6661.485942][ C0] ? default_do_nmi+0x41/0x100
[ 6661.485948][ C0] ? exc_nmi+0xf3/0x120
[ 6661.485950][ C0] ? end_repeat_nmi+0xf/0x60
[ 6661.485955][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6661.485959][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6661.485963][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6661.485966][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6661.485969][ C0]
[ 6661.485970][ C0]
[ 6661.485971][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6661.485975][ C0] ? __pfx___schedule+0x10/0x10
[ 6661.485981][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6661.485988][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6661.485991][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6661.485994][ C0] ? lock_acquire+0x1c1/0x220
[ 6661.485997][ C0] ? __mutex_lock+0x33e/0xb10
[ 6661.486001][ C0] ? __mutex_lock+0x811/0xb10
[ 6661.486004][ C0] _raw_spin_lock+0x67/0x80
[ 6661.486007][ C0] __mutex_lock+0x33e/0xb10
[ 6661.486011][ C0] ? __lock_release+0x40f/0x880
[ 6661.486014][ C0] ? __pfx___lock_release+0x10/0x10
[ 6661.486016][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6661.486023][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6661.486026][ C0] ? __pfx___up_read+0x10/0x10
[ 6661.486031][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6661.486034][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6661.486040][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6661.486048][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6661.486052][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6661.486056][ C0] __tcf_action_put+0x3d/0xf0
[ 6661.486062][ C0] tcf_action_destroy+0x43/0x130
[ 6661.486066][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6661.486069][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6661.486081][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6661.486090][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6661.486098][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6661.486107][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6661.486117][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6661.486125][ C0] ? __lock_release+0x40f/0x880
[ 6661.486128][ C0] ? __mutex_lock+0x26e/0xb10
[ 6661.486132][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6661.486142][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6661.486150][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6661.486154][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6661.486159][ C0] tcf_chain_flush+0x1e0/0x320
[ 6661.486162][ C0] __tcf_block_put+0x113/0x270
[ 6661.486167][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6661.486175][ C0] __qdisc_destroy+0xee/0x340
[ 6661.486180][ C0] dev_shutdown+0x129/0x350
[ 6661.486184][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6661.486188][ C0] ? rtnl_is_locked+0x15/0x20
[ 6661.486192][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6661.486195][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6661.486198][ C0] ? mutex_is_locked+0x17/0x50
[ 6661.486201][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6661.486207][ C0] cleanup_net+0x4cf/0xb60
[ 6661.486210][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6661.486213][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6661.486216][ C0] ? lock_acquire+0x1c1/0x220
[ 6661.486218][ C0] ? process_one_work+0x714/0x1310
[ 6661.486224][ C0] process_one_work+0x78c/0x1310
[ 6661.486228][ C0] ? hlock_class+0x4e/0x130
[ 6661.486232][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6661.486236][ C0] ? assign_work+0x16c/0x240
[ 6661.486240][ C0] worker_thread+0x73d/0x1010
[ 6661.486246][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6661.486248][ C0] kthread+0x28f/0x360
[ 6661.486251][ C0] ? __pfx_kthread+0x10/0x10
[ 6661.486254][ C0] ret_from_fork+0x31/0x70
[ 6661.486258][ C0] ? __pfx_kthread+0x10/0x10
[ 6661.486259][ C0] ret_from_fork_asm+0x1b/0x30
[ 6661.486269][ C0]
[ 6664.182484][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6664.182872][ C0] rcu: 0-....: (1116892 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=279512
[ 6664.183468][ C0] rcu: (t=1118469 jiffies g=2451281 q=5636 ncpus=4)
[ 6664.183829][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6664.184326][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6664.184975][ C0] Workqueue: netns cleanup_net
[ 6664.185240][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6664.185591][ 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
[ 6664.186630][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6664.186974][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6664.187412][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6664.187851][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6664.188288][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6664.188731][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6664.189154][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6664.189630][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6664.189982][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6664.190408][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6664.190833][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6664.191257][ C0] PKRU: 55555554
[ 6664.191450][ C0] Call Trace:
[ 6664.191633][ C0]
[ 6664.191794][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6664.192088][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6664.192361][ C0] ? check_cpu_stall+0x284/0x500
[ 6664.192632][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6664.192939][ C0] ? rcu_pending+0x92/0x360
[ 6664.193186][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6664.193479][ C0] ? update_process_times+0xb9/0x110
[ 6664.193770][ C0] ? tick_sched_handle+0x67/0x130
[ 6664.194044][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6664.194352][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6664.194611][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6664.194943][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6664.195235][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6664.195542][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6664.195826][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6664.196152][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6664.196433][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6664.196769][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6664.197091][ C0]
[ 6664.197251][ C0]
[ 6664.197409][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6664.197746][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6664.198063][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6664.198376][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6664.198710][ C0] ? __pfx___schedule+0x10/0x10
[ 6664.198977][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6664.199244][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6664.199536][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6664.199841][ C0] ? lock_acquire+0x1c1/0x220
[ 6664.200096][ C0] ? __mutex_lock+0x33e/0xb10
[ 6664.200350][ C0] ? __mutex_lock+0x811/0xb10
[ 6664.200607][ C0] _raw_spin_lock+0x67/0x80
[ 6664.200856][ C0] __mutex_lock+0x33e/0xb10
[ 6664.201100][ C0] ? __lock_release+0x40f/0x880
[ 6664.201365][ C0] ? __pfx___lock_release+0x10/0x10
[ 6664.201646][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6664.201966][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6664.202240][ C0] ? __pfx___up_read+0x10/0x10
[ 6664.202503][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6664.202790][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6664.203076][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6664.203388][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6664.203703][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6664.204010][ C0] __tcf_action_put+0x3d/0xf0
[ 6664.204264][ C0] tcf_action_destroy+0x43/0x130
[ 6664.204534][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6664.204790][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6664.205131][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6664.205424][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6664.205748][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6664.206061][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6664.206369][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6664.206701][ C0] ? __lock_release+0x40f/0x880
[ 6664.206969][ C0] ? __mutex_lock+0x26e/0xb10
[ 6664.207226][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6664.207529][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6664.207858][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6664.208185][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6664.208451][ C0] tcf_chain_flush+0x1e0/0x320
[ 6664.208713][ C0] __tcf_block_put+0x113/0x270
[ 6664.208983][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6664.209309][ C0] __qdisc_destroy+0xee/0x340
[ 6664.209569][ C0] dev_shutdown+0x129/0x350
[ 6664.209817][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6664.210159][ C0] ? rtnl_is_locked+0x15/0x20
[ 6664.210414][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6664.210754][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6664.211119][ C0] ? mutex_is_locked+0x17/0x50
[ 6664.211378][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6664.211705][ C0] cleanup_net+0x4cf/0xb60
[ 6664.211947][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6664.212250][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6664.212521][ C0] ? lock_acquire+0x1c1/0x220
[ 6664.212776][ C0] ? process_one_work+0x714/0x1310
[ 6664.213055][ C0] process_one_work+0x78c/0x1310
[ 6664.213326][ C0] ? hlock_class+0x4e/0x130
[ 6664.213573][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6664.213867][ C0] ? assign_work+0x16c/0x240
[ 6664.214116][ C0] worker_thread+0x73d/0x1010
[ 6664.214373][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6664.214651][ C0] kthread+0x28f/0x360
[ 6664.214873][ C0] ? __pfx_kthread+0x10/0x10
[ 6664.215125][ C0] ret_from_fork+0x31/0x70
[ 6664.215367][ C0] ? __pfx_kthread+0x10/0x10
[ 6664.215617][ C0] ret_from_fork_asm+0x1b/0x30
[ 6664.215883][ C0]
[ 6688.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1066s! [kworker/u8:0:11]
[ 6688.598058][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6688.599041][ C0] irq event stamp: 6208419
[ 6688.599277][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6688.599780][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6688.600281][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6688.600779][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6688.601271][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6688.601772][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6688.602422][ C0] Workqueue: netns cleanup_net
[ 6688.602685][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6688.603033][ 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
[ 6688.604063][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6688.604386][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6688.604811][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6688.605235][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6688.605663][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6688.606083][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6688.606508][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6688.606986][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6688.607338][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6688.607769][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6688.608193][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6688.608615][ C0] PKRU: 55555554
[ 6688.608806][ C0] Call Trace:
[ 6688.608987][ C0]
[ 6688.609144][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6688.609429][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6688.609696][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6688.610002][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6688.610302][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6688.610619][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6688.610900][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6688.611222][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6688.611503][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6688.611833][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6688.612147][ C0]
[ 6688.612306][ C0]
[ 6688.612465][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6688.612802][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6688.613115][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6688.613430][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6688.613764][ C0] ? __pfx___schedule+0x10/0x10
[ 6688.614027][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6688.614293][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6688.614585][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6688.614886][ C0] ? lock_acquire+0x1c1/0x220
[ 6688.615138][ C0] ? __mutex_lock+0x33e/0xb10
[ 6688.615390][ C0] ? __mutex_lock+0x811/0xb10
[ 6688.615647][ C0] _raw_spin_lock+0x67/0x80
[ 6688.615896][ C0] __mutex_lock+0x33e/0xb10
[ 6688.616139][ C0] ? __lock_release+0x40f/0x880
[ 6688.616401][ C0] ? __pfx___lock_release+0x10/0x10
[ 6688.616689][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6688.617004][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6688.617274][ C0] ? __pfx___up_read+0x10/0x10
[ 6688.617535][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6688.617820][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6688.618106][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6688.618418][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6688.618732][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6688.619037][ C0] __tcf_action_put+0x3d/0xf0
[ 6688.619293][ C0] tcf_action_destroy+0x43/0x130
[ 6688.619563][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6688.619816][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6688.620157][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6688.620447][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6688.620771][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6688.621082][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6688.621388][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6688.621719][ C0] ? __lock_release+0x40f/0x880
[ 6688.621979][ C0] ? __mutex_lock+0x26e/0xb10
[ 6688.622232][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6688.622531][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6688.622856][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6688.623179][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6688.623442][ C0] tcf_chain_flush+0x1e0/0x320
[ 6688.623704][ C0] __tcf_block_put+0x113/0x270
[ 6688.623963][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6688.624282][ C0] __qdisc_destroy+0xee/0x340
[ 6688.624541][ C0] dev_shutdown+0x129/0x350
[ 6688.624789][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6688.625128][ C0] ? rtnl_is_locked+0x15/0x20
[ 6688.625381][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6688.625720][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6688.626083][ C0] ? mutex_is_locked+0x17/0x50
[ 6688.626336][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6688.626657][ C0] cleanup_net+0x4cf/0xb60
[ 6688.626901][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6688.627200][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6688.627468][ C0] ? lock_acquire+0x1c1/0x220
[ 6688.627724][ C0] ? process_one_work+0x714/0x1310
[ 6688.628002][ C0] process_one_work+0x78c/0x1310
[ 6688.628271][ C0] ? hlock_class+0x4e/0x130
[ 6688.628516][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6688.628809][ C0] ? assign_work+0x16c/0x240
[ 6688.629056][ C0] worker_thread+0x73d/0x1010
[ 6688.629312][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6688.629588][ C0] kthread+0x28f/0x360
[ 6688.629809][ C0] ? __pfx_kthread+0x10/0x10
[ 6688.630058][ C0] ret_from_fork+0x31/0x70
[ 6688.630298][ C0] ? __pfx_kthread+0x10/0x10
[ 6688.630546][ C0] ret_from_fork_asm+0x1b/0x30
[ 6688.630813][ C0]
[ 6716.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1092s! [kworker/u8:0:11]
[ 6716.598056][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6716.599025][ C0] irq event stamp: 6208419
[ 6716.599262][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6716.599769][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6716.600272][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6716.600774][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6716.601270][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6716.601772][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6716.602419][ C0] Workqueue: netns cleanup_net
[ 6716.602682][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6716.603028][ 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
[ 6716.604067][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6716.604393][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6716.604818][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6716.605244][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6716.605671][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6716.606094][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6716.606523][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6716.607003][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6716.607359][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6716.607793][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6716.608220][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6716.608651][ C0] PKRU: 55555554
[ 6716.608842][ C0] Call Trace:
[ 6716.609026][ C0]
[ 6716.609185][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6716.609468][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6716.609734][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6716.610041][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6716.610343][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6716.610663][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6716.610957][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6716.611296][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6716.611590][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6716.611922][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6716.612239][ C0]
[ 6716.612399][ C0]
[ 6716.612564][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6716.612901][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6716.613217][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6716.613536][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6716.613870][ C0] ? __pfx___schedule+0x10/0x10
[ 6716.614136][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6716.614403][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6716.614696][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6716.615000][ C0] ? lock_acquire+0x1c1/0x220
[ 6716.615256][ C0] ? __mutex_lock+0x33e/0xb10
[ 6716.615513][ C0] ? __mutex_lock+0x811/0xb10
[ 6716.615772][ C0] _raw_spin_lock+0x67/0x80
[ 6716.616021][ C0] __mutex_lock+0x33e/0xb10
[ 6716.616268][ C0] ? __lock_release+0x40f/0x880
[ 6716.616539][ C0] ? __pfx___lock_release+0x10/0x10
[ 6716.616823][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6716.617140][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6716.617414][ C0] ? __pfx___up_read+0x10/0x10
[ 6716.617676][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6716.617962][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6716.618250][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6716.618567][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6716.618881][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6716.619188][ C0] __tcf_action_put+0x3d/0xf0
[ 6716.619445][ C0] tcf_action_destroy+0x43/0x130
[ 6716.619717][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6716.619973][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6716.620317][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6716.620612][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6716.620935][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6716.621249][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6716.621558][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6716.621892][ C0] ? __lock_release+0x40f/0x880
[ 6716.622156][ C0] ? __mutex_lock+0x26e/0xb10
[ 6716.622412][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6716.622720][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6716.623046][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6716.623374][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6716.623645][ C0] tcf_chain_flush+0x1e0/0x320
[ 6716.623907][ C0] __tcf_block_put+0x113/0x270
[ 6716.624169][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6716.624497][ C0] __qdisc_destroy+0xee/0x340
[ 6716.624755][ C0] dev_shutdown+0x129/0x350
[ 6716.625005][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6716.625348][ C0] ? rtnl_is_locked+0x15/0x20
[ 6716.625608][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6716.625945][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6716.626312][ C0] ? mutex_is_locked+0x17/0x50
[ 6716.626576][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6716.626899][ C0] cleanup_net+0x4cf/0xb60
[ 6716.627144][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6716.627447][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6716.627719][ C0] ? lock_acquire+0x1c1/0x220
[ 6716.627976][ C0] ? process_one_work+0x714/0x1310
[ 6716.628257][ C0] process_one_work+0x78c/0x1310
[ 6716.628531][ C0] ? hlock_class+0x4e/0x130
[ 6716.628777][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6716.629071][ C0] ? assign_work+0x16c/0x240
[ 6716.629320][ C0] worker_thread+0x73d/0x1010
[ 6716.629583][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6716.629860][ C0] kthread+0x28f/0x360
[ 6716.630083][ C0] ? __pfx_kthread+0x10/0x10
[ 6716.630333][ C0] ret_from_fork+0x31/0x70
[ 6716.630579][ C0] ? __pfx_kthread+0x10/0x10
[ 6716.630827][ C0] ret_from_fork_asm+0x1b/0x30
[ 6716.631094][ C0]
[ 6742.215482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6742.215864][ C0] rcu: 0-....: (1194829 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=299013
[ 6742.216458][ C0] rcu: (t=1196502 jiffies g=2451281 q=5640 ncpus=4)
[ 6742.216799][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6742.217273][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6742.217894][ C0] Workqueue: netns cleanup_net
[ 6742.218148][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6742.218417][ 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
[ 6742.219397][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6742.219710][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6742.220112][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6742.220516][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6742.220919][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6742.221324][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6742.221728][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6742.222180][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6742.222515][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6742.222922][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6742.223327][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6742.223730][ C0] PKRU: 55555554
[ 6742.223914][ C0] Call Trace:
[ 6742.224087][ C0]
[ 6742.224238][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6742.224516][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6742.224773][ C0] ? check_cpu_stall+0x284/0x500
[ 6742.225026][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6742.225316][ C0] ? rcu_pending+0x92/0x360
[ 6742.225551][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6742.225825][ C0] ? update_process_times+0xb9/0x110
[ 6742.226099][ C0] ? tick_sched_handle+0x67/0x130
[ 6742.226360][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6742.226672][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6742.226918][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6742.227232][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6742.227508][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6742.227799][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6742.228069][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6742.228379][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6742.228644][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6742.228958][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6742.229260][ C0]
[ 6742.229414][ C0]
[ 6742.229564][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6742.229884][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6742.230180][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6742.230471][ C0] ? kasan_report+0xd2/0xf0
[ 6742.230710][ C0] kasan_check_range+0x39/0x1c0
[ 6742.230964][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6742.231246][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6742.231562][ C0] ? __pfx___schedule+0x10/0x10
[ 6742.231814][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6742.232068][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6742.232342][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6742.232630][ C0] ? lock_acquire+0x1c1/0x220
[ 6742.232874][ C0] ? __mutex_lock+0x33e/0xb10
[ 6742.233116][ C0] ? __mutex_lock+0x811/0xb10
[ 6742.233357][ C0] _raw_spin_lock+0x67/0x80
[ 6742.233590][ C0] __mutex_lock+0x33e/0xb10
[ 6742.233823][ C0] ? __lock_release+0x40f/0x880
[ 6742.234073][ C0] ? __pfx___lock_release+0x10/0x10
[ 6742.234342][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6742.234643][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6742.234901][ C0] ? __pfx___up_read+0x10/0x10
[ 6742.235145][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6742.235420][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6742.235695][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6742.235989][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6742.236289][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6742.236595][ C0] __tcf_action_put+0x3d/0xf0
[ 6742.236841][ C0] tcf_action_destroy+0x43/0x130
[ 6742.237097][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6742.237340][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6742.237667][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6742.237944][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6742.238247][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6742.238546][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6742.238836][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6742.239152][ C0] ? __lock_release+0x40f/0x880
[ 6742.239404][ C0] ? __mutex_lock+0x26e/0xb10
[ 6742.239649][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6742.239937][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6742.240251][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6742.240562][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6742.240813][ C0] tcf_chain_flush+0x1e0/0x320
[ 6742.241061][ C0] __tcf_block_put+0x113/0x270
[ 6742.241309][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6742.241621][ C0] __qdisc_destroy+0xee/0x340
[ 6742.241865][ C0] dev_shutdown+0x129/0x350
[ 6742.242099][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6742.242426][ C0] ? rtnl_is_locked+0x15/0x20
[ 6742.242672][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6742.242993][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6742.243337][ C0] ? mutex_is_locked+0x17/0x50
[ 6742.243584][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6742.243893][ C0] cleanup_net+0x4cf/0xb60
[ 6742.244122][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6742.244412][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6742.244667][ C0] ? lock_acquire+0x1c1/0x220
[ 6742.244907][ C0] ? process_one_work+0x714/0x1310
[ 6742.245173][ C0] process_one_work+0x78c/0x1310
[ 6742.245430][ C0] ? hlock_class+0x4e/0x130
[ 6742.245667][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6742.245943][ C0] ? assign_work+0x16c/0x240
[ 6742.246183][ C0] worker_thread+0x73d/0x1010
[ 6742.246436][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6742.246700][ C0] kthread+0x28f/0x360
[ 6742.246910][ C0] ? __pfx_kthread+0x10/0x10
[ 6742.247149][ C0] ret_from_fork+0x31/0x70
[ 6742.247378][ C0] ? __pfx_kthread+0x10/0x10
[ 6742.247616][ C0] ret_from_fork_asm+0x1b/0x30
[ 6742.247871][ C0]
[ 6759.788498][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1213803 jiffies s: 77393 root: 0x1/.
[ 6759.789173][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6759.789548][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6759.789826][ C0] NMI backtrace for cpu 0
[ 6759.789832][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6759.789836][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6759.789838][ C0] Workqueue: netns cleanup_net
[ 6759.789846][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6759.789852][ 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
[ 6759.789855][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6759.789857][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6759.789859][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6759.789860][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6759.789862][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6759.789864][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6759.789865][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6759.789867][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6759.789871][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6759.789872][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6759.789873][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6759.789875][ C0] PKRU: 55555554
[ 6759.789876][ C0] Call Trace:
[ 6759.789879][ C0]
[ 6759.789883][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6759.789890][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6759.789895][ C0] ? nmi_handle+0x153/0x420
[ 6759.789901][ C0] ? default_do_nmi+0x41/0x100
[ 6759.789906][ C0] ? exc_nmi+0xf3/0x120
[ 6759.789908][ C0] ? end_repeat_nmi+0xf/0x60
[ 6759.789912][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6759.789917][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6759.789920][ C0] ? kasan_report+0xd2/0xf0
[ 6759.789923][ C0] ? kasan_report+0xd2/0xf0
[ 6759.789926][ C0] ? kasan_report+0xd2/0xf0
[ 6759.789929][ C0]
[ 6759.789930][ C0]
[ 6759.789931][ C0] ? kasan_report+0xd6/0xf0
[ 6759.789935][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6759.789939][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6759.789944][ C0] ? __pfx___schedule+0x10/0x10
[ 6759.789948][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6759.789954][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6759.789956][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6759.789959][ C0] ? lock_acquire+0x1c1/0x220
[ 6759.789962][ C0] ? __mutex_lock+0x33e/0xb10
[ 6759.789966][ C0] ? __mutex_lock+0x811/0xb10
[ 6759.789968][ C0] _raw_spin_lock+0x67/0x80
[ 6759.789971][ C0] __mutex_lock+0x33e/0xb10
[ 6759.789974][ C0] ? __lock_release+0x40f/0x880
[ 6759.789978][ C0] ? __pfx___lock_release+0x10/0x10
[ 6759.789980][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6759.789985][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6759.789989][ C0] ? __pfx___up_read+0x10/0x10
[ 6759.789992][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6759.789996][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6759.790000][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6759.790008][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6759.790011][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6759.790015][ C0] __tcf_action_put+0x3d/0xf0
[ 6759.790020][ C0] tcf_action_destroy+0x43/0x130
[ 6759.790023][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6759.790026][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6759.790038][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6759.790046][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6759.790054][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6759.790063][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6759.790073][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6759.790080][ C0] ? __lock_release+0x40f/0x880
[ 6759.790084][ C0] ? __mutex_lock+0x26e/0xb10
[ 6759.790088][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6759.790097][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6759.790105][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6759.790110][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6759.790114][ C0] tcf_chain_flush+0x1e0/0x320
[ 6759.790118][ C0] __tcf_block_put+0x113/0x270
[ 6759.790122][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6759.790130][ C0] __qdisc_destroy+0xee/0x340
[ 6759.790134][ C0] dev_shutdown+0x129/0x350
[ 6759.790138][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6759.790142][ C0] ? rtnl_is_locked+0x15/0x20
[ 6759.790145][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6759.790148][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6759.790151][ C0] ? mutex_is_locked+0x17/0x50
[ 6759.790154][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6759.790159][ C0] cleanup_net+0x4cf/0xb60
[ 6759.790162][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6759.790165][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6759.790168][ C0] ? lock_acquire+0x1c1/0x220
[ 6759.790170][ C0] ? process_one_work+0x714/0x1310
[ 6759.790175][ C0] process_one_work+0x78c/0x1310
[ 6759.790180][ C0] ? hlock_class+0x4e/0x130
[ 6759.790183][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6759.790187][ C0] ? assign_work+0x16c/0x240
[ 6759.790190][ C0] worker_thread+0x73d/0x1010
[ 6759.790196][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6759.790198][ C0] kthread+0x28f/0x360
[ 6759.790201][ C0] ? __pfx_kthread+0x10/0x10
[ 6759.790203][ C0] ret_from_fork+0x31/0x70
[ 6759.790206][ C0] ? __pfx_kthread+0x10/0x10
[ 6759.790208][ C0] ret_from_fork_asm+0x1b/0x30
[ 6759.790216][ C0]
[ 6784.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1155s! [kworker/u8:0:11]
[ 6784.598016][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6784.598921][ C0] irq event stamp: 6208419
[ 6784.599145][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6784.599612][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6784.600082][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6784.600548][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6784.601007][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6784.601474][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6784.602080][ C0] Workqueue: netns cleanup_net
[ 6784.602322][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6784.602642][ 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
[ 6784.603611][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6784.603914][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6784.604307][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6784.604701][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6784.605097][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6784.605491][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6784.605883][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6784.606730][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6784.607059][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6784.607459][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6784.607854][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6784.608250][ C0] PKRU: 55555554
[ 6784.608430][ C0] Call Trace:
[ 6784.608601][ C0]
[ 6784.608747][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6784.609010][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6784.609251][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6784.609525][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6784.609799][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6784.610084][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6784.610345][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6784.610648][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6784.610907][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6784.611213][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6784.611504][ C0]
[ 6784.611654][ C0]
[ 6784.611801][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6784.612111][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6784.612404][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6784.612695][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6784.613004][ C0] ? __pfx___schedule+0x10/0x10
[ 6784.613251][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6784.613499][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6784.613767][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6784.614050][ C0] ? lock_acquire+0x1c1/0x220
[ 6784.614284][ C0] ? __mutex_lock+0x33e/0xb10
[ 6784.614523][ C0] ? __mutex_lock+0x811/0xb10
[ 6784.614760][ C0] _raw_spin_lock+0x67/0x80
[ 6784.614989][ C0] __mutex_lock+0x33e/0xb10
[ 6784.615216][ C0] ? __lock_release+0x40f/0x880
[ 6784.615462][ C0] ? __pfx___lock_release+0x10/0x10
[ 6784.615722][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6784.616016][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6784.616278][ C0] ? __pfx___up_read+0x10/0x10
[ 6784.616519][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6784.616785][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6784.617051][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6784.617341][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6784.617633][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6784.617916][ C0] __tcf_action_put+0x3d/0xf0
[ 6784.618153][ C0] tcf_action_destroy+0x43/0x130
[ 6784.618404][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6784.618641][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6784.618958][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6784.619229][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6784.619526][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6784.619818][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6784.620102][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6784.620408][ C0] ? __lock_release+0x40f/0x880
[ 6784.620655][ C0] ? __mutex_lock+0x26e/0xb10
[ 6784.620893][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6784.621173][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6784.621479][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6784.621781][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6784.622028][ C0] tcf_chain_flush+0x1e0/0x320
[ 6784.622269][ C0] __tcf_block_put+0x113/0x270
[ 6784.622511][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6784.622813][ C0] __qdisc_destroy+0xee/0x340
[ 6784.623052][ C0] dev_shutdown+0x129/0x350
[ 6784.623281][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6784.623600][ C0] ? rtnl_is_locked+0x15/0x20
[ 6784.623838][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6784.624152][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6784.624494][ C0] ? mutex_is_locked+0x17/0x50
[ 6784.624736][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6784.625037][ C0] cleanup_net+0x4cf/0xb60
[ 6784.625261][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6784.625552][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6784.625803][ C0] ? lock_acquire+0x1c1/0x220
[ 6784.626040][ C0] ? process_one_work+0x714/0x1310
[ 6784.626309][ C0] process_one_work+0x78c/0x1310
[ 6784.626560][ C0] ? hlock_class+0x4e/0x130
[ 6784.626789][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6784.627061][ C0] ? assign_work+0x16c/0x240
[ 6784.627297][ C0] worker_thread+0x73d/0x1010
[ 6784.627538][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6784.627800][ C0] kthread+0x28f/0x360
[ 6784.628006][ C0] ? __pfx_kthread+0x10/0x10
[ 6784.628240][ C0] ret_from_fork+0x31/0x70
[ 6784.628464][ C0] ? __pfx_kthread+0x10/0x10
[ 6784.628697][ C0] ret_from_fork_asm+0x1b/0x30
[ 6784.628944][ C0]
[ 6812.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1181s! [kworker/u8:0:11]
[ 6812.598035][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6812.598974][ C0] irq event stamp: 6208419
[ 6812.599204][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6812.599698][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6812.600181][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6812.600672][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6812.601145][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6812.601631][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6812.602257][ C0] Workqueue: netns cleanup_net
[ 6812.602515][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6812.602781][ 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
[ 6812.603775][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6812.604087][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6812.604499][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6812.604905][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6812.605311][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6812.605724][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6812.606156][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6812.606616][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6812.606952][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6812.607358][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6812.607775][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6812.608201][ C0] PKRU: 55555554
[ 6812.608386][ C0] Call Trace:
[ 6812.608569][ C0]
[ 6812.608733][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6812.609000][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6812.609248][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6812.609534][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6812.609810][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6812.610106][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6812.610376][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6812.610694][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6812.610959][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6812.611273][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6812.611588][ C0]
[ 6812.611742][ C0]
[ 6812.611894][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6812.612214][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6812.612516][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6812.612812][ C0] ? kasan_report+0xd2/0xf0
[ 6812.613049][ C0] kasan_check_range+0x39/0x1c0
[ 6812.613302][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6812.613597][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6812.613915][ C0] ? __pfx___schedule+0x10/0x10
[ 6812.614168][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6812.614421][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6812.614706][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6812.614995][ C0] ? lock_acquire+0x1c1/0x220
[ 6812.615239][ C0] ? __mutex_lock+0x33e/0xb10
[ 6812.615486][ C0] ? __mutex_lock+0x811/0xb10
[ 6812.615735][ C0] _raw_spin_lock+0x67/0x80
[ 6812.615971][ C0] __mutex_lock+0x33e/0xb10
[ 6812.616212][ C0] ? __lock_release+0x40f/0x880
[ 6812.616462][ C0] ? __pfx___lock_release+0x10/0x10
[ 6812.616742][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6812.617042][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6812.617303][ C0] ? __pfx___up_read+0x10/0x10
[ 6812.617558][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6812.617831][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6812.618105][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6812.618405][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6812.618712][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6812.619003][ C0] __tcf_action_put+0x3d/0xf0
[ 6812.619248][ C0] tcf_action_destroy+0x43/0x130
[ 6812.619515][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6812.619757][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6812.620083][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6812.620360][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6812.620675][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6812.620973][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6812.621264][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6812.621588][ C0] ? __lock_release+0x40f/0x880
[ 6812.621841][ C0] ? __mutex_lock+0x26e/0xb10
[ 6812.622084][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6812.622375][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6812.622694][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6812.623004][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6812.623258][ C0] tcf_chain_flush+0x1e0/0x320
[ 6812.623519][ C0] __tcf_block_put+0x113/0x270
[ 6812.623770][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6812.624078][ C0] __qdisc_destroy+0xee/0x340
[ 6812.624323][ C0] dev_shutdown+0x129/0x350
[ 6812.624568][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6812.624897][ C0] ? rtnl_is_locked+0x15/0x20
[ 6812.625140][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6812.625460][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6812.625817][ C0] ? mutex_is_locked+0x17/0x50
[ 6812.626075][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6812.626381][ C0] cleanup_net+0x4cf/0xb60
[ 6812.626622][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6812.626911][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6812.627167][ C0] ? lock_acquire+0x1c1/0x220
[ 6812.627412][ C0] ? process_one_work+0x714/0x1310
[ 6812.627689][ C0] process_one_work+0x78c/0x1310
[ 6812.627948][ C0] ? hlock_class+0x4e/0x130
[ 6812.628184][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6812.628464][ C0] ? assign_work+0x16c/0x240
[ 6812.628711][ C0] worker_thread+0x73d/0x1010
[ 6812.628959][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6812.629224][ C0] kthread+0x28f/0x360
[ 6812.629437][ C0] ? __pfx_kthread+0x10/0x10
[ 6812.629684][ C0] ret_from_fork+0x31/0x70
[ 6812.629914][ C0] ? __pfx_kthread+0x10/0x10
[ 6812.630152][ C0] ret_from_fork_asm+0x1b/0x30
[ 6812.630403][ C0]
[ 6820.249483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6820.249864][ C0] rcu: 0-....: (1272744 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=318514
[ 6820.250446][ C0] rcu: (t=1274536 jiffies g=2451281 q=5643 ncpus=4)
[ 6820.250794][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6820.251282][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6820.252031][ C0] Workqueue: netns cleanup_net
[ 6820.252356][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6820.252698][ 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
[ 6820.253959][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6820.254361][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6820.254882][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6820.255403][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6820.255926][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6820.256454][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6820.256976][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6820.257564][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6820.257998][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6820.258523][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6820.259045][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6820.259568][ C0] PKRU: 55555554
[ 6820.259805][ C0] Call Trace:
[ 6820.260029][ C0]
[ 6820.260222][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6820.260578][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6820.260909][ C0] ? check_cpu_stall+0x284/0x500
[ 6820.261237][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6820.261612][ C0] ? rcu_pending+0x92/0x360
[ 6820.261914][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6820.262265][ C0] ? update_process_times+0xb9/0x110
[ 6820.262625][ C0] ? tick_sched_handle+0x67/0x130
[ 6820.262960][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6820.263332][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6820.263648][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6820.264057][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6820.264413][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6820.264789][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6820.265136][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6820.265534][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6820.265877][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6820.266285][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6820.266673][ C0]
[ 6820.266868][ C0]
[ 6820.267065][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6820.267474][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6820.267855][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6820.268232][ C0] ? kasan_report+0xd2/0xf0
[ 6820.268540][ C0] kasan_check_range+0x39/0x1c0
[ 6820.268865][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6820.269230][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6820.269643][ C0] ? __pfx___schedule+0x10/0x10
[ 6820.269968][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6820.270294][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6820.270648][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6820.271021][ C0] ? lock_acquire+0x1c1/0x220
[ 6820.271330][ C0] ? __mutex_lock+0x33e/0xb10
[ 6820.271644][ C0] ? __mutex_lock+0x811/0xb10
[ 6820.271956][ C0] _raw_spin_lock+0x67/0x80
[ 6820.272258][ C0] __mutex_lock+0x33e/0xb10
[ 6820.272561][ C0] ? __lock_release+0x40f/0x880
[ 6820.272884][ C0] ? __pfx___lock_release+0x10/0x10
[ 6820.273231][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6820.273619][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6820.273956][ C0] ? __pfx___up_read+0x10/0x10
[ 6820.274276][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6820.274628][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6820.274981][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6820.275365][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6820.275753][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6820.276134][ C0] __tcf_action_put+0x3d/0xf0
[ 6820.276449][ C0] tcf_action_destroy+0x43/0x130
[ 6820.276781][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6820.277095][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6820.277516][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6820.277874][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6820.278268][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6820.278654][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6820.279030][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6820.279437][ C0] ? __lock_release+0x40f/0x880
[ 6820.279761][ C0] ? __mutex_lock+0x26e/0xb10
[ 6820.280076][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6820.280446][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6820.280851][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6820.281251][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6820.281576][ C0] tcf_chain_flush+0x1e0/0x320
[ 6820.281895][ C0] __tcf_block_put+0x113/0x270
[ 6820.282215][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6820.282615][ C0] __qdisc_destroy+0xee/0x340
[ 6820.282928][ C0] dev_shutdown+0x129/0x350
[ 6820.283230][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6820.283651][ C0] ? rtnl_is_locked+0x15/0x20
[ 6820.283965][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6820.284378][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6820.284824][ C0] ? mutex_is_locked+0x17/0x50
[ 6820.285141][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6820.285536][ C0] cleanup_net+0x4cf/0xb60
[ 6820.285831][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6820.286211][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6820.286539][ C0] ? lock_acquire+0x1c1/0x220
[ 6820.286850][ C0] ? process_one_work+0x714/0x1310
[ 6820.287192][ C0] process_one_work+0x78c/0x1310
[ 6820.287523][ C0] ? hlock_class+0x4e/0x130
[ 6820.287824][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6820.288184][ C0] ? assign_work+0x16c/0x240
[ 6820.288493][ C0] worker_thread+0x73d/0x1010
[ 6820.288810][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6820.289152][ C0] kthread+0x28f/0x360
[ 6820.289422][ C0] ? __pfx_kthread+0x10/0x10
[ 6820.289728][ C0] ret_from_fork+0x31/0x70
[ 6820.290022][ C0] ? __pfx_kthread+0x10/0x10
[ 6820.290328][ C0] ret_from_fork_asm+0x1b/0x30
[ 6820.290653][ C0]
[ 6844.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1211s! [kworker/u8:0:11]
[ 6844.598042][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6844.598985][ C0] irq event stamp: 6208419
[ 6844.599212][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6844.599702][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6844.600183][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6844.600670][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6844.601144][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6844.601630][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6844.602260][ C0] Workqueue: netns cleanup_net
[ 6844.602522][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6844.602851][ 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
[ 6844.603845][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6844.604156][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6844.604569][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6844.604976][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6844.605382][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6844.605791][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6844.606207][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6844.606673][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6844.607012][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6844.607418][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6844.607830][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6844.608251][ C0] PKRU: 55555554
[ 6844.608434][ C0] Call Trace:
[ 6844.608627][ C0]
[ 6844.608779][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6844.609045][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6844.609290][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6844.609580][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6844.609856][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6844.610147][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6844.610417][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6844.610738][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6844.611003][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6844.611316][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6844.611625][ C0]
[ 6844.611776][ C0]
[ 6844.611929][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6844.612246][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6844.612554][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6844.612855][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6844.613173][ C0] ? __pfx___schedule+0x10/0x10
[ 6844.613425][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6844.613687][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6844.613963][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6844.614252][ C0] ? lock_acquire+0x1c1/0x220
[ 6844.614505][ C0] ? __mutex_lock+0x33e/0xb10
[ 6844.614750][ C0] ? __mutex_lock+0x811/0xb10
[ 6844.614992][ C0] _raw_spin_lock+0x67/0x80
[ 6844.615229][ C0] __mutex_lock+0x33e/0xb10
[ 6844.615463][ C0] ? __lock_release+0x40f/0x880
[ 6844.615721][ C0] ? __pfx___lock_release+0x10/0x10
[ 6844.615996][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6844.616297][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6844.616567][ C0] ? __pfx___up_read+0x10/0x10
[ 6844.616818][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6844.617090][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6844.617363][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6844.617669][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6844.617967][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6844.618260][ C0] __tcf_action_put+0x3d/0xf0
[ 6844.618516][ C0] tcf_action_destroy+0x43/0x130
[ 6844.618773][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6844.619016][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6844.619342][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6844.619628][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6844.619933][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6844.620231][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6844.620530][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6844.620847][ C0] ? __lock_release+0x40f/0x880
[ 6844.621098][ C0] ? __mutex_lock+0x26e/0xb10
[ 6844.621340][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6844.621635][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6844.621948][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6844.622259][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6844.622523][ C0] tcf_chain_flush+0x1e0/0x320
[ 6844.622773][ C0] __tcf_block_put+0x113/0x270
[ 6844.623025][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6844.623332][ C0] __qdisc_destroy+0xee/0x340
[ 6844.623585][ C0] dev_shutdown+0x129/0x350
[ 6844.623820][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6844.624146][ C0] ? rtnl_is_locked+0x15/0x20
[ 6844.624387][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6844.624714][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6844.625063][ C0] ? mutex_is_locked+0x17/0x50
[ 6844.625310][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6844.625622][ C0] cleanup_net+0x4cf/0xb60
[ 6844.625853][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6844.626148][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6844.626403][ C0] ? lock_acquire+0x1c1/0x220
[ 6844.626658][ C0] ? process_one_work+0x714/0x1310
[ 6844.626923][ C0] process_one_work+0x78c/0x1310
[ 6844.627181][ C0] ? hlock_class+0x4e/0x130
[ 6844.627416][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6844.627702][ C0] ? assign_work+0x16c/0x240
[ 6844.627940][ C0] worker_thread+0x73d/0x1010
[ 6844.628187][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6844.628450][ C0] kthread+0x28f/0x360
[ 6844.628669][ C0] ? __pfx_kthread+0x10/0x10
[ 6844.628909][ C0] ret_from_fork+0x31/0x70
[ 6844.629140][ C0] ? __pfx_kthread+0x10/0x10
[ 6844.629376][ C0] ret_from_fork_asm+0x1b/0x30
[ 6844.629635][ C0]
[ 6858.092498][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1312107 jiffies s: 77393 root: 0x1/.
[ 6858.093339][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6858.093822][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6858.094183][ C0] NMI backtrace for cpu 0
[ 6858.094187][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6858.094191][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6858.094194][ C0] Workqueue: netns cleanup_net
[ 6858.094202][ C0] RIP: 0010:kasan_report+0x16/0xf0
[ 6858.094208][ 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
[ 6858.094212][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 6858.094215][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 6858.094217][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6858.094219][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 6858.094221][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6858.094223][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6858.094226][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6858.094228][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6858.094232][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6858.094235][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6858.094237][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6858.094238][ C0] PKRU: 55555554
[ 6858.094240][ C0] Call Trace:
[ 6858.094244][ C0]
[ 6858.094248][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6858.094255][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6858.094260][ C0] ? nmi_handle+0x153/0x420
[ 6858.094266][ C0] ? default_do_nmi+0x41/0x100
[ 6858.094271][ C0] ? exc_nmi+0xf3/0x120
[ 6858.094275][ C0] ? end_repeat_nmi+0xf/0x60
[ 6858.094281][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6858.094287][ C0] ? kasan_report+0x16/0xf0
[ 6858.094291][ C0] ? kasan_report+0x16/0xf0
[ 6858.094295][ C0] ? kasan_report+0x16/0xf0
[ 6858.094299][ C0]
[ 6858.094300][ C0]
[ 6858.094306][ C0] kasan_check_range+0x39/0x1c0
[ 6858.094312][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6858.094317][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6858.094322][ C0] ? __pfx___schedule+0x10/0x10
[ 6858.094329][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6858.094335][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6858.094339][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6858.094343][ C0] ? lock_acquire+0x1c1/0x220
[ 6858.094346][ C0] ? __mutex_lock+0x33e/0xb10
[ 6858.094351][ C0] ? __mutex_lock+0x811/0xb10
[ 6858.094355][ C0] _raw_spin_lock+0x67/0x80
[ 6858.094359][ C0] __mutex_lock+0x33e/0xb10
[ 6858.094363][ C0] ? __lock_release+0x40f/0x880
[ 6858.094367][ C0] ? __pfx___lock_release+0x10/0x10
[ 6858.094370][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6858.094377][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6858.094381][ C0] ? __pfx___up_read+0x10/0x10
[ 6858.094386][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6858.094389][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6858.094394][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6858.094404][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6858.094408][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6858.094413][ C0] __tcf_action_put+0x3d/0xf0
[ 6858.094419][ C0] tcf_action_destroy+0x43/0x130
[ 6858.094424][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6858.094428][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6858.094444][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6858.094456][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6858.094469][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6858.094484][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6858.094498][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6858.094509][ C0] ? __lock_release+0x40f/0x880
[ 6858.094514][ C0] ? __mutex_lock+0x26e/0xb10
[ 6858.094519][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6858.094534][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6858.094545][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6858.094551][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6858.094557][ C0] tcf_chain_flush+0x1e0/0x320
[ 6858.094562][ C0] __tcf_block_put+0x113/0x270
[ 6858.094568][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6858.094579][ C0] __qdisc_destroy+0xee/0x340
[ 6858.094583][ C0] dev_shutdown+0x129/0x350
[ 6858.094588][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6858.094593][ C0] ? rtnl_is_locked+0x15/0x20
[ 6858.094598][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6858.094601][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6858.094606][ C0] ? mutex_is_locked+0x17/0x50
[ 6858.094609][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6858.094616][ C0] cleanup_net+0x4cf/0xb60
[ 6858.094620][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6858.094624][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6858.094628][ C0] ? lock_acquire+0x1c1/0x220
[ 6858.094631][ C0] ? process_one_work+0x714/0x1310
[ 6858.094637][ C0] process_one_work+0x78c/0x1310
[ 6858.094643][ C0] ? hlock_class+0x4e/0x130
[ 6858.094648][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6858.094654][ C0] ? assign_work+0x16c/0x240
[ 6858.094659][ C0] worker_thread+0x73d/0x1010
[ 6858.094667][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6858.094670][ C0] kthread+0x28f/0x360
[ 6858.094674][ C0] ? __pfx_kthread+0x10/0x10
[ 6858.094677][ C0] ret_from_fork+0x31/0x70
[ 6858.094681][ C0] ? __pfx_kthread+0x10/0x10
[ 6858.094684][ C0] ret_from_fork_asm+0x1b/0x30
[ 6858.094694][ C0]
[ 6884.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1248s! [kworker/u8:0:11]
[ 6884.598039][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6884.598968][ C0] irq event stamp: 6208419
[ 6884.599193][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6884.599675][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6884.600156][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6884.600634][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6884.601107][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6884.601586][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6884.602211][ C0] Workqueue: netns cleanup_net
[ 6884.602459][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 6884.602734][ 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
[ 6884.603720][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 6884.604031][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 6884.604438][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6884.604843][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6884.605247][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6884.605650][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 6884.606062][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6884.606516][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6884.606854][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6884.607262][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6884.607668][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6884.608088][ C0] PKRU: 55555554
[ 6884.608282][ C0] Call Trace:
[ 6884.608455][ C0]
[ 6884.608616][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6884.608882][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6884.609129][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6884.609411][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6884.609688][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6884.609982][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6884.610252][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6884.610562][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6884.610827][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6884.611140][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6884.611442][ C0]
[ 6884.611594][ C0]
[ 6884.611748][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6884.612066][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6884.612359][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6884.612654][ C0] ? report_enabled+0x19/0x30
[ 6884.612895][ C0] kasan_report+0x41/0xf0
[ 6884.613123][ C0] kasan_check_range+0x39/0x1c0
[ 6884.613376][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 6884.613661][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6884.613978][ C0] ? __pfx___schedule+0x10/0x10
[ 6884.614232][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6884.614485][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6884.614761][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6884.615048][ C0] ? lock_acquire+0x1c1/0x220
[ 6884.615291][ C0] ? __mutex_lock+0x33e/0xb10
[ 6884.615536][ C0] ? __mutex_lock+0x811/0xb10
[ 6884.615785][ C0] _raw_spin_lock+0x67/0x80
[ 6884.616018][ C0] __mutex_lock+0x33e/0xb10
[ 6884.616253][ C0] ? __lock_release+0x40f/0x880
[ 6884.616509][ C0] ? __pfx___lock_release+0x10/0x10
[ 6884.616777][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6884.617078][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6884.617338][ C0] ? __pfx___up_read+0x10/0x10
[ 6884.617584][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6884.617860][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6884.618135][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6884.618429][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6884.618729][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6884.619017][ C0] __tcf_action_put+0x3d/0xf0
[ 6884.619262][ C0] tcf_action_destroy+0x43/0x130
[ 6884.619518][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6884.619761][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6884.620085][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6884.620363][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6884.620664][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6884.620965][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6884.621255][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6884.621571][ C0] ? __lock_release+0x40f/0x880
[ 6884.621824][ C0] ? __mutex_lock+0x26e/0xb10
[ 6884.622068][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6884.622355][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6884.622669][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6884.622980][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6884.623231][ C0] tcf_chain_flush+0x1e0/0x320
[ 6884.623480][ C0] __tcf_block_put+0x113/0x270
[ 6884.623728][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6884.624037][ C0] __qdisc_destroy+0xee/0x340
[ 6884.624280][ C0] dev_shutdown+0x129/0x350
[ 6884.624515][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6884.624841][ C0] ? rtnl_is_locked+0x15/0x20
[ 6884.625086][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6884.625406][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6884.625757][ C0] ? mutex_is_locked+0x17/0x50
[ 6884.626004][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6884.626310][ C0] cleanup_net+0x4cf/0xb60
[ 6884.626540][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6884.626828][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6884.627083][ C0] ? lock_acquire+0x1c1/0x220
[ 6884.627324][ C0] ? process_one_work+0x714/0x1310
[ 6884.627590][ C0] process_one_work+0x78c/0x1310
[ 6884.627847][ C0] ? hlock_class+0x4e/0x130
[ 6884.628083][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6884.628359][ C0] ? assign_work+0x16c/0x240
[ 6884.628599][ C0] worker_thread+0x73d/0x1010
[ 6884.628845][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6884.629108][ C0] kthread+0x28f/0x360
[ 6884.629318][ C0] ? __pfx_kthread+0x10/0x10
[ 6884.629556][ C0] ret_from_fork+0x31/0x70
[ 6884.629786][ C0] ? __pfx_kthread+0x10/0x10
[ 6884.630024][ C0] ret_from_fork_asm+0x1b/0x30
[ 6884.630277][ C0]
[ 6898.290484][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6898.290879][ C0] rcu: 0-....: (1350657 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=338015
[ 6898.291470][ C0] rcu: (t=1352577 jiffies g=2451281 q=5643 ncpus=4)
[ 6898.291830][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6898.292329][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6898.292975][ C0] Workqueue: netns cleanup_net
[ 6898.293241][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6898.293592][ 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
[ 6898.294622][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6898.294946][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6898.295368][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6898.295804][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6898.296226][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6898.296650][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6898.297075][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6898.297549][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6898.297903][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6898.298326][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6898.298749][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6898.299175][ C0] PKRU: 55555554
[ 6898.299367][ C0] Call Trace:
[ 6898.299551][ C0]
[ 6898.299711][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6898.300004][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6898.300274][ C0] ? check_cpu_stall+0x284/0x500
[ 6898.300540][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6898.300847][ C0] ? rcu_pending+0x92/0x360
[ 6898.301095][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6898.301380][ C0] ? update_process_times+0xb9/0x110
[ 6898.301671][ C0] ? tick_sched_handle+0x67/0x130
[ 6898.301945][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6898.302249][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6898.302508][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6898.302840][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6898.303131][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6898.303438][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6898.303725][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6898.304051][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6898.304331][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6898.304664][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6898.304977][ C0]
[ 6898.305138][ C0]
[ 6898.305296][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6898.305647][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6898.305963][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6898.306277][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6898.306612][ C0] ? __pfx___schedule+0x10/0x10
[ 6898.306880][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6898.307147][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6898.307437][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6898.307739][ C0] ? lock_acquire+0x1c1/0x220
[ 6898.307997][ C0] ? __mutex_lock+0x33e/0xb10
[ 6898.308252][ C0] ? __mutex_lock+0x811/0xb10
[ 6898.308509][ C0] _raw_spin_lock+0x67/0x80
[ 6898.308754][ C0] __mutex_lock+0x33e/0xb10
[ 6898.309004][ C0] ? __lock_release+0x40f/0x880
[ 6898.309270][ C0] ? __pfx___lock_release+0x10/0x10
[ 6898.309553][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6898.309868][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6898.310141][ C0] ? __pfx___up_read+0x10/0x10
[ 6898.310403][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6898.310694][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6898.310989][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6898.311307][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6898.311623][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6898.311927][ C0] __tcf_action_put+0x3d/0xf0
[ 6898.312187][ C0] tcf_action_destroy+0x43/0x130
[ 6898.312455][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6898.312717][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6898.313060][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6898.313350][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6898.313670][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6898.313985][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6898.314290][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6898.314628][ C0] ? __lock_release+0x40f/0x880
[ 6898.314893][ C0] ? __mutex_lock+0x26e/0xb10
[ 6898.315151][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6898.315452][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6898.315790][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6898.316114][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6898.316377][ C0] tcf_chain_flush+0x1e0/0x320
[ 6898.316639][ C0] __tcf_block_put+0x113/0x270
[ 6898.316903][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6898.317226][ C0] __qdisc_destroy+0xee/0x340
[ 6898.317480][ C0] dev_shutdown+0x129/0x350
[ 6898.317728][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6898.318072][ C0] ? rtnl_is_locked+0x15/0x20
[ 6898.318330][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6898.318669][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6898.319032][ C0] ? mutex_is_locked+0x17/0x50
[ 6898.319294][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6898.319619][ C0] cleanup_net+0x4cf/0xb60
[ 6898.319859][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6898.320162][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6898.320429][ C0] ? lock_acquire+0x1c1/0x220
[ 6898.320682][ C0] ? process_one_work+0x714/0x1310
[ 6898.320960][ C0] process_one_work+0x78c/0x1310
[ 6898.321230][ C0] ? hlock_class+0x4e/0x130
[ 6898.321479][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6898.321771][ C0] ? assign_work+0x16c/0x240
[ 6898.322027][ C0] worker_thread+0x73d/0x1010
[ 6898.322285][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6898.322562][ C0] kthread+0x28f/0x360
[ 6898.322783][ C0] ? __pfx_kthread+0x10/0x10
[ 6898.323033][ C0] ret_from_fork+0x31/0x70
[ 6898.323274][ C0] ? __pfx_kthread+0x10/0x10
[ 6898.323524][ C0] ret_from_fork_asm+0x1b/0x30
[ 6898.323791][ C0]
[ 6920.351339][ T73] kmemleak: 18 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[ 6924.597574][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1286s! [kworker/u8:0:11]
[ 6924.598062][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6924.599042][ C0] irq event stamp: 6208419
[ 6924.599282][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6924.599792][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6924.600299][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6924.600803][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6924.601301][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6924.601804][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6924.602452][ C0] Workqueue: netns cleanup_net
[ 6924.602719][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 6924.603066][ 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
[ 6924.604099][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 6924.604427][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 6924.604853][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6924.605276][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6924.605725][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6924.606155][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6924.606583][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6924.607059][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6924.607414][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6924.607844][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6924.608273][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6924.608703][ C0] PKRU: 55555554
[ 6924.608898][ C0] Call Trace:
[ 6924.609082][ C0]
[ 6924.609242][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6924.609527][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6924.609792][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6924.610092][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6924.610384][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6924.610700][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6924.610985][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6924.611314][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6924.611600][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6924.611933][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6924.612250][ C0]
[ 6924.612412][ C0]
[ 6924.612576][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6924.612917][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6924.613238][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 6924.613561][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6924.613903][ C0] ? __pfx___schedule+0x10/0x10
[ 6924.614172][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6924.614445][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6924.614737][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6924.615040][ C0] ? lock_acquire+0x1c1/0x220
[ 6924.615297][ C0] ? __mutex_lock+0x33e/0xb10
[ 6924.615563][ C0] ? __mutex_lock+0x811/0xb10
[ 6924.615820][ C0] _raw_spin_lock+0x67/0x80
[ 6924.616068][ C0] __mutex_lock+0x33e/0xb10
[ 6924.616318][ C0] ? __lock_release+0x40f/0x880
[ 6924.616588][ C0] ? __pfx___lock_release+0x10/0x10
[ 6924.616869][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6924.617191][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6924.617469][ C0] ? __pfx___up_read+0x10/0x10
[ 6924.617733][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6924.618022][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6924.618311][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6924.618627][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6924.618943][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6924.619251][ C0] __tcf_action_put+0x3d/0xf0
[ 6924.619514][ C0] tcf_action_destroy+0x43/0x130
[ 6924.619787][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6924.620044][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6924.620388][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6924.620682][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6924.621003][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6924.621316][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6924.621625][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6924.621958][ C0] ? __lock_release+0x40f/0x880
[ 6924.622223][ C0] ? __mutex_lock+0x26e/0xb10
[ 6924.622480][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6924.622785][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6924.623114][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6924.623440][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6924.623706][ C0] tcf_chain_flush+0x1e0/0x320
[ 6924.623967][ C0] __tcf_block_put+0x113/0x270
[ 6924.624229][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6924.624560][ C0] __qdisc_destroy+0xee/0x340
[ 6924.624813][ C0] dev_shutdown+0x129/0x350
[ 6924.625062][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6924.625406][ C0] ? rtnl_is_locked+0x15/0x20
[ 6924.625671][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6924.626004][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6924.626367][ C0] ? mutex_is_locked+0x17/0x50
[ 6924.626628][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6924.626950][ C0] cleanup_net+0x4cf/0xb60
[ 6924.627191][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6924.627499][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6924.627767][ C0] ? lock_acquire+0x1c1/0x220
[ 6924.628020][ C0] ? process_one_work+0x714/0x1310
[ 6924.628297][ C0] process_one_work+0x78c/0x1310
[ 6924.628572][ C0] ? hlock_class+0x4e/0x130
[ 6924.628822][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6924.629117][ C0] ? assign_work+0x16c/0x240
[ 6924.629370][ C0] worker_thread+0x73d/0x1010
[ 6924.629637][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6924.629913][ C0] kthread+0x28f/0x360
[ 6924.630135][ C0] ? __pfx_kthread+0x10/0x10
[ 6924.630384][ C0] ret_from_fork+0x31/0x70
[ 6924.630630][ C0] ? __pfx_kthread+0x10/0x10
[ 6924.630878][ C0] ret_from_fork_asm+0x1b/0x30
[ 6924.631147][ C0]
[ 6952.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1312s! [kworker/u8:0:11]
[ 6952.598042][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 6952.598976][ C0] irq event stamp: 6208419
[ 6952.599206][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 6952.599692][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 6952.600172][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 6952.600656][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 6952.601132][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6952.601612][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6952.602240][ C0] Workqueue: netns cleanup_net
[ 6952.602494][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6952.602760][ 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
[ 6952.603750][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6952.604064][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6952.604471][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6952.604877][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6952.605284][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6952.605715][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6952.606121][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6952.606577][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6952.606914][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6952.607323][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6952.607731][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6952.608138][ C0] PKRU: 55555554
[ 6952.608325][ C0] Call Trace:
[ 6952.608500][ C0]
[ 6952.608652][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 6952.608922][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6952.609174][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 6952.609456][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6952.609734][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6952.610031][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6952.610303][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6952.610617][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6952.610884][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6952.611202][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6952.611501][ C0]
[ 6952.611655][ C0]
[ 6952.611808][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6952.612131][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6952.612433][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6952.612734][ C0] ? kasan_report+0xd2/0xf0
[ 6952.612973][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6952.613263][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6952.613582][ C0] ? __pfx___schedule+0x10/0x10
[ 6952.613838][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6952.614096][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6952.614374][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6952.614665][ C0] ? lock_acquire+0x1c1/0x220
[ 6952.614908][ C0] ? __mutex_lock+0x33e/0xb10
[ 6952.615154][ C0] ? __mutex_lock+0x811/0xb10
[ 6952.615410][ C0] _raw_spin_lock+0x67/0x80
[ 6952.615645][ C0] __mutex_lock+0x33e/0xb10
[ 6952.615881][ C0] ? __lock_release+0x40f/0x880
[ 6952.616133][ C0] ? __pfx___lock_release+0x10/0x10
[ 6952.616401][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6952.616706][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6952.616966][ C0] ? __pfx___up_read+0x10/0x10
[ 6952.617214][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6952.617488][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6952.617764][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6952.618060][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6952.618360][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6952.618650][ C0] __tcf_action_put+0x3d/0xf0
[ 6952.618900][ C0] tcf_action_destroy+0x43/0x130
[ 6952.619156][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6952.619401][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6952.619727][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6952.620005][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6952.620309][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6952.620608][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6952.620899][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6952.621216][ C0] ? __lock_release+0x40f/0x880
[ 6952.621468][ C0] ? __mutex_lock+0x26e/0xb10
[ 6952.621713][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6952.622000][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6952.622313][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6952.622623][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6952.622875][ C0] tcf_chain_flush+0x1e0/0x320
[ 6952.623122][ C0] __tcf_block_put+0x113/0x270
[ 6952.623371][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6952.623682][ C0] __qdisc_destroy+0xee/0x340
[ 6952.623926][ C0] dev_shutdown+0x129/0x350
[ 6952.624160][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6952.624488][ C0] ? rtnl_is_locked+0x15/0x20
[ 6952.624733][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6952.625057][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6952.625410][ C0] ? mutex_is_locked+0x17/0x50
[ 6952.625657][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6952.625963][ C0] cleanup_net+0x4cf/0xb60
[ 6952.626192][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6952.626482][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6952.626739][ C0] ? lock_acquire+0x1c1/0x220
[ 6952.626979][ C0] ? process_one_work+0x714/0x1310
[ 6952.627246][ C0] process_one_work+0x78c/0x1310
[ 6952.627502][ C0] ? hlock_class+0x4e/0x130
[ 6952.627742][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6952.628019][ C0] ? assign_work+0x16c/0x240
[ 6952.628260][ C0] worker_thread+0x73d/0x1010
[ 6952.628505][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6952.628769][ C0] kthread+0x28f/0x360
[ 6952.628981][ C0] ? __pfx_kthread+0x10/0x10
[ 6952.629220][ C0] ret_from_fork+0x31/0x70
[ 6952.629449][ C0] ? __pfx_kthread+0x10/0x10
[ 6952.629688][ C0] ret_from_fork_asm+0x1b/0x30
[ 6952.629943][ C0]
[ 6956.397163][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1410411 jiffies s: 77393 root: 0x1/.
[ 6956.397824][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 6956.398191][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 6956.398476][ C0] NMI backtrace for cpu 0
[ 6956.398482][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6956.398487][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6956.398489][ C0] Workqueue: netns cleanup_net
[ 6956.398497][ C0] RIP: 0010:queued_spin_lock_slowpath+0xba/0xb90
[ 6956.398504][ C0] Code: 00 fc ff df 49 c1 ed 03 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
[ 6956.398506][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000213
[ 6956.398509][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb35b0
[ 6956.398511][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6956.398513][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6956.398514][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 6956.398516][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 6956.398518][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6956.398520][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6956.398523][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6956.398525][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6956.398526][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6956.398527][ C0] PKRU: 55555554
[ 6956.398529][ C0] Call Trace:
[ 6956.398532][ C0]
[ 6956.398535][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 6956.398541][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 6956.398545][ C0] ? nmi_handle+0x153/0x420
[ 6956.398551][ C0] ? default_do_nmi+0x41/0x100
[ 6956.398555][ C0] ? exc_nmi+0xf3/0x120
[ 6956.398557][ C0] ? end_repeat_nmi+0xf/0x60
[ 6956.398562][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 6956.398565][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6956.398569][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6956.398572][ C0] ? queued_spin_lock_slowpath+0xba/0xb90
[ 6956.398576][ C0]
[ 6956.398576][ C0]
[ 6956.398578][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6956.398581][ C0] ? __pfx___schedule+0x10/0x10
[ 6956.398586][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6956.398592][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6956.398595][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6956.398598][ C0] ? lock_acquire+0x1c1/0x220
[ 6956.398601][ C0] ? __mutex_lock+0x33e/0xb10
[ 6956.398605][ C0] ? __mutex_lock+0x811/0xb10
[ 6956.398607][ C0] _raw_spin_lock+0x67/0x80
[ 6956.398611][ C0] __mutex_lock+0x33e/0xb10
[ 6956.398614][ C0] ? __lock_release+0x40f/0x880
[ 6956.398617][ C0] ? __pfx___lock_release+0x10/0x10
[ 6956.398620][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6956.398625][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6956.398629][ C0] ? __pfx___up_read+0x10/0x10
[ 6956.398633][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6956.398636][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6956.398640][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6956.398647][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6956.398651][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6956.398655][ C0] __tcf_action_put+0x3d/0xf0
[ 6956.398659][ C0] tcf_action_destroy+0x43/0x130
[ 6956.398663][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6956.398666][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6956.398677][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6956.398686][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6956.398694][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6956.398703][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6956.398712][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6956.398720][ C0] ? __lock_release+0x40f/0x880
[ 6956.398724][ C0] ? __mutex_lock+0x26e/0xb10
[ 6956.398728][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6956.398738][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6956.398746][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6956.398750][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6956.398754][ C0] tcf_chain_flush+0x1e0/0x320
[ 6956.398758][ C0] __tcf_block_put+0x113/0x270
[ 6956.398763][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6956.398770][ C0] __qdisc_destroy+0xee/0x340
[ 6956.398774][ C0] dev_shutdown+0x129/0x350
[ 6956.398778][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6956.398782][ C0] ? rtnl_is_locked+0x15/0x20
[ 6956.398786][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6956.398788][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6956.398792][ C0] ? mutex_is_locked+0x17/0x50
[ 6956.398794][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6956.398800][ C0] cleanup_net+0x4cf/0xb60
[ 6956.398803][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6956.398805][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6956.398809][ C0] ? lock_acquire+0x1c1/0x220
[ 6956.398811][ C0] ? process_one_work+0x714/0x1310
[ 6956.398816][ C0] process_one_work+0x78c/0x1310
[ 6956.398820][ C0] ? hlock_class+0x4e/0x130
[ 6956.398824][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6956.398828][ C0] ? assign_work+0x16c/0x240
[ 6956.398831][ C0] worker_thread+0x73d/0x1010
[ 6956.398837][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6956.398839][ C0] kthread+0x28f/0x360
[ 6956.398842][ C0] ? __pfx_kthread+0x10/0x10
[ 6956.398845][ C0] ret_from_fork+0x31/0x70
[ 6956.398848][ C0] ? __pfx_kthread+0x10/0x10
[ 6956.398850][ C0] ret_from_fork_asm+0x1b/0x30
[ 6956.398858][ C0]
[ 6976.324482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 6976.324860][ C0] rcu: 0-....: (1428570 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=357516
[ 6976.325460][ C0] rcu: (t=1430611 jiffies g=2451281 q=5643 ncpus=4)
[ 6976.325804][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 6976.326282][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6976.326903][ C0] Workqueue: netns cleanup_net
[ 6976.327156][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 6976.327422][ 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
[ 6976.328407][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 6976.328720][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 6976.329126][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 6976.329531][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 6976.329936][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 6976.330343][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 6976.330749][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 6976.331204][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6976.331541][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 6976.331948][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6976.332356][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6976.332762][ C0] PKRU: 55555554
[ 6976.332948][ C0] Call Trace:
[ 6976.333120][ C0]
[ 6976.333273][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 6976.333552][ C0] ? print_cpu_stall+0x263/0x6a0
[ 6976.333810][ C0] ? check_cpu_stall+0x284/0x500
[ 6976.334068][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 6976.334360][ C0] ? rcu_pending+0x92/0x360
[ 6976.334596][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 6976.334872][ C0] ? update_process_times+0xb9/0x110
[ 6976.335147][ C0] ? tick_sched_handle+0x67/0x130
[ 6976.335430][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 6976.335720][ C0] ? __run_hrtimer+0x1c0/0x710
[ 6976.335965][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 6976.336280][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 6976.336559][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 6976.336851][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 6976.337119][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 6976.337430][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 6976.337697][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 6976.338011][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 6976.338313][ C0]
[ 6976.338469][ C0]
[ 6976.338620][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 6976.338939][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6976.339242][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 6976.339539][ C0] ? kasan_report+0xd2/0xf0
[ 6976.339779][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 6976.340068][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 6976.340384][ C0] ? __pfx___schedule+0x10/0x10
[ 6976.340637][ C0] do_raw_spin_lock+0x1ec/0x270
[ 6976.340890][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 6976.341164][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 6976.341454][ C0] ? lock_acquire+0x1c1/0x220
[ 6976.341696][ C0] ? __mutex_lock+0x33e/0xb10
[ 6976.341938][ C0] ? __mutex_lock+0x811/0xb10
[ 6976.342183][ C0] _raw_spin_lock+0x67/0x80
[ 6976.342418][ C0] __mutex_lock+0x33e/0xb10
[ 6976.342651][ C0] ? __lock_release+0x40f/0x880
[ 6976.342902][ C0] ? __pfx___lock_release+0x10/0x10
[ 6976.343167][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6976.343471][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 6976.343731][ C0] ? __pfx___up_read+0x10/0x10
[ 6976.343979][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 6976.344251][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 6976.344523][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 6976.344821][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 6976.345120][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 6976.345419][ C0] __tcf_action_put+0x3d/0xf0
[ 6976.345662][ C0] tcf_action_destroy+0x43/0x130
[ 6976.345919][ C0] tcf_exts_destroy+0x3c/0xb0
[ 6976.346163][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 6976.346489][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 6976.346767][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 6976.347074][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 6976.347373][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 6976.347667][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 6976.347982][ C0] ? __lock_release+0x40f/0x880
[ 6976.348234][ C0] ? __mutex_lock+0x26e/0xb10
[ 6976.348480][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 6976.348767][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 6976.349082][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 6976.349393][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 6976.349648][ C0] tcf_chain_flush+0x1e0/0x320
[ 6976.349897][ C0] __tcf_block_put+0x113/0x270
[ 6976.350144][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 6976.350455][ C0] __qdisc_destroy+0xee/0x340
[ 6976.350700][ C0] dev_shutdown+0x129/0x350
[ 6976.350935][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 6976.351263][ C0] ? rtnl_is_locked+0x15/0x20
[ 6976.351507][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 6976.351828][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 6976.352174][ C0] ? mutex_is_locked+0x17/0x50
[ 6976.352422][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 6976.352730][ C0] cleanup_net+0x4cf/0xb60
[ 6976.352961][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6976.353251][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 6976.353509][ C0] ? lock_acquire+0x1c1/0x220
[ 6976.353753][ C0] ? process_one_work+0x714/0x1310
[ 6976.354020][ C0] process_one_work+0x78c/0x1310
[ 6976.354280][ C0] ? hlock_class+0x4e/0x130
[ 6976.354515][ C0] ? __pfx_process_one_work+0x10/0x10
[ 6976.354796][ C0] ? assign_work+0x16c/0x240
[ 6976.355035][ C0] worker_thread+0x73d/0x1010
[ 6976.355304][ C0] ? __pfx_worker_thread+0x10/0x10
[ 6976.355567][ C0] kthread+0x28f/0x360
[ 6976.355777][ C0] ? __pfx_kthread+0x10/0x10
[ 6976.356018][ C0] ret_from_fork+0x31/0x70
[ 6976.356248][ C0] ? __pfx_kthread+0x10/0x10
[ 6976.356484][ C0] ret_from_fork_asm+0x1b/0x30
[ 6976.356738][ C0]
[ 7000.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1356s! [kworker/u8:0:11]
[ 7000.598025][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7000.598929][ C0] irq event stamp: 6208419
[ 7000.599150][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7000.599621][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7000.600089][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7000.600555][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7000.601020][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7000.601488][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7000.602092][ C0] Workqueue: netns cleanup_net
[ 7000.602333][ C0] RIP: 0010:__kasan_check_read+0x0/0x20
[ 7000.602616][ C0] Code: 48 c7 c7 b0 c2 9e 9e 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
[ 7000.603576][ C0] RSP: 0018:ffffc900000bf3d8 EFLAGS: 00000202
[ 7000.603882][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7000.604277][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7000.604671][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7000.605065][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7000.605468][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7000.605863][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7000.606306][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7000.606635][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7000.607032][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7000.607431][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7000.607827][ C0] PKRU: 55555554
[ 7000.608008][ C0] Call Trace:
[ 7000.608177][ C0]
[ 7000.608326][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7000.608588][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7000.608831][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7000.609106][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7000.609376][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7000.609665][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7000.609930][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7000.610238][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7000.610499][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7000.610804][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7000.611097][ C0]
[ 7000.611246][ C0]
[ 7000.611399][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7000.611713][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7000.612004][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 7000.612284][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7000.612562][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7000.612872][ C0] ? __pfx___schedule+0x10/0x10
[ 7000.613120][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7000.613369][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7000.613638][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7000.613921][ C0] ? lock_acquire+0x1c1/0x220
[ 7000.614157][ C0] ? __mutex_lock+0x33e/0xb10
[ 7000.614396][ C0] ? __mutex_lock+0x811/0xb10
[ 7000.614634][ C0] _raw_spin_lock+0x67/0x80
[ 7000.614861][ C0] __mutex_lock+0x33e/0xb10
[ 7000.615092][ C0] ? __lock_release+0x40f/0x880
[ 7000.615342][ C0] ? __pfx___lock_release+0x10/0x10
[ 7000.615603][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7000.615897][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7000.616152][ C0] ? __pfx___up_read+0x10/0x10
[ 7000.616393][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7000.616661][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7000.616927][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7000.617215][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7000.617509][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7000.617791][ C0] __tcf_action_put+0x3d/0xf0
[ 7000.618031][ C0] tcf_action_destroy+0x43/0x130
[ 7000.618281][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7000.618519][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7000.618838][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7000.619111][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7000.619409][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7000.619702][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7000.619985][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7000.620295][ C0] ? __lock_release+0x40f/0x880
[ 7000.620542][ C0] ? __mutex_lock+0x26e/0xb10
[ 7000.620781][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7000.621061][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7000.621368][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7000.621672][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7000.621918][ C0] tcf_chain_flush+0x1e0/0x320
[ 7000.622159][ C0] __tcf_block_put+0x113/0x270
[ 7000.622402][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7000.622705][ C0] __qdisc_destroy+0xee/0x340
[ 7000.622943][ C0] dev_shutdown+0x129/0x350
[ 7000.623171][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7000.623490][ C0] ? rtnl_is_locked+0x15/0x20
[ 7000.623731][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7000.624045][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7000.624381][ C0] ? mutex_is_locked+0x17/0x50
[ 7000.624623][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7000.624923][ C0] cleanup_net+0x4cf/0xb60
[ 7000.625154][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7000.625439][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7000.625689][ C0] ? lock_acquire+0x1c1/0x220
[ 7000.625923][ C0] ? process_one_work+0x714/0x1310
[ 7000.626184][ C0] process_one_work+0x78c/0x1310
[ 7000.626434][ C0] ? hlock_class+0x4e/0x130
[ 7000.626664][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7000.626935][ C0] ? assign_work+0x16c/0x240
[ 7000.627168][ C0] worker_thread+0x73d/0x1010
[ 7000.627409][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7000.627667][ C0] kthread+0x28f/0x360
[ 7000.627872][ C0] ? __pfx_kthread+0x10/0x10
[ 7000.628106][ C0] ret_from_fork+0x31/0x70
[ 7000.628329][ C0] ? __pfx_kthread+0x10/0x10
[ 7000.628562][ C0] ret_from_fork_asm+0x1b/0x30
[ 7000.628809][ C0]
[ 7028.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1382s! [kworker/u8:0:11]
[ 7028.598032][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7028.598962][ C0] irq event stamp: 6208419
[ 7028.599192][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7028.599672][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7028.600154][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7028.600634][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7028.601106][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7028.601585][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7028.602208][ C0] Workqueue: netns cleanup_net
[ 7028.602457][ C0] RIP: 0010:kasan_report+0x0/0xf0
[ 7028.602720][ C0] Code: e8 f5 fd ff ff 48 83 c4 68 5b 5d 41 5c 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
[ 7028.603707][ C0] RSP: 0018:ffffc900000bf3b8 EFLAGS: 00000213
[ 7028.604020][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7028.604428][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7028.604835][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7028.605250][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7028.605658][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7028.606063][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7028.606519][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7028.606856][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7028.607266][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7028.607674][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7028.608079][ C0] PKRU: 55555554
[ 7028.608265][ C0] Call Trace:
[ 7028.608440][ C0]
[ 7028.608593][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7028.608861][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7028.609109][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7028.609392][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7028.609671][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7028.609965][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7028.610235][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7028.610548][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7028.610824][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7028.611140][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7028.611438][ C0]
[ 7028.611593][ C0]
[ 7028.611745][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7028.612066][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7028.612360][ C0] ? __pfx_kasan_report+0x10/0x10
[ 7028.612620][ C0] kasan_check_range+0x39/0x1c0
[ 7028.612872][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7028.613160][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7028.613477][ C0] ? __pfx___schedule+0x10/0x10
[ 7028.613730][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7028.613982][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7028.614261][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7028.614551][ C0] ? lock_acquire+0x1c1/0x220
[ 7028.614795][ C0] ? __mutex_lock+0x33e/0xb10
[ 7028.615045][ C0] ? __mutex_lock+0x811/0xb10
[ 7028.615287][ C0] _raw_spin_lock+0x67/0x80
[ 7028.615524][ C0] __mutex_lock+0x33e/0xb10
[ 7028.615758][ C0] ? __lock_release+0x40f/0x880
[ 7028.616009][ C0] ? __pfx___lock_release+0x10/0x10
[ 7028.616278][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7028.616579][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7028.616839][ C0] ? __pfx___up_read+0x10/0x10
[ 7028.617088][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7028.617359][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7028.617632][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7028.617944][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7028.618254][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7028.618555][ C0] __tcf_action_put+0x3d/0xf0
[ 7028.618808][ C0] tcf_action_destroy+0x43/0x130
[ 7028.619074][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7028.619323][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7028.619669][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7028.619947][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7028.620256][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7028.620556][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7028.620849][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7028.621167][ C0] ? __lock_release+0x40f/0x880
[ 7028.621419][ C0] ? __mutex_lock+0x26e/0xb10
[ 7028.621663][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7028.621957][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7028.622268][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7028.622580][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7028.622832][ C0] tcf_chain_flush+0x1e0/0x320
[ 7028.623081][ C0] __tcf_block_put+0x113/0x270
[ 7028.623331][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7028.623638][ C0] __qdisc_destroy+0xee/0x340
[ 7028.623884][ C0] dev_shutdown+0x129/0x350
[ 7028.624120][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7028.624447][ C0] ? rtnl_is_locked+0x15/0x20
[ 7028.624691][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7028.625018][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7028.625369][ C0] ? mutex_is_locked+0x17/0x50
[ 7028.625617][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7028.625923][ C0] cleanup_net+0x4cf/0xb60
[ 7028.626156][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7028.626445][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7028.626703][ C0] ? lock_acquire+0x1c1/0x220
[ 7028.626946][ C0] ? process_one_work+0x714/0x1310
[ 7028.627214][ C0] process_one_work+0x78c/0x1310
[ 7028.627472][ C0] ? hlock_class+0x4e/0x130
[ 7028.627709][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7028.627991][ C0] ? assign_work+0x16c/0x240
[ 7028.628230][ C0] worker_thread+0x73d/0x1010
[ 7028.628476][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7028.628740][ C0] kthread+0x28f/0x360
[ 7028.628953][ C0] ? __pfx_kthread+0x10/0x10
[ 7028.629192][ C0] ret_from_fork+0x31/0x70
[ 7028.629425][ C0] ? __pfx_kthread+0x10/0x10
[ 7028.629664][ C0] ret_from_fork_asm+0x1b/0x30
[ 7028.629916][ C0]
[ 7054.357482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7054.357862][ C0] rcu: 0-....: (1506511 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=377017
[ 7054.358435][ C0] rcu: (t=1508644 jiffies g=2451281 q=5643 ncpus=4)
[ 7054.358778][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7054.359256][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7054.359881][ C0] Workqueue: netns cleanup_net
[ 7054.360134][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 7054.360411][ 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
[ 7054.361399][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 7054.361713][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 7054.362120][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7054.362525][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7054.362934][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7054.363341][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 7054.363748][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7054.364201][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7054.364536][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7054.364950][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7054.365354][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7054.365759][ C0] PKRU: 55555554
[ 7054.365944][ C0] Call Trace:
[ 7054.366118][ C0]
[ 7054.366268][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7054.366545][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7054.366801][ C0] ? check_cpu_stall+0x284/0x500
[ 7054.367056][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7054.367348][ C0] ? rcu_pending+0x92/0x360
[ 7054.367581][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7054.367855][ C0] ? update_process_times+0xb9/0x110
[ 7054.368130][ C0] ? tick_sched_handle+0x67/0x130
[ 7054.368391][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7054.368681][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7054.368929][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7054.369245][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7054.369522][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7054.369814][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7054.370085][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7054.370394][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7054.370660][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7054.370975][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7054.371278][ C0]
[ 7054.371431][ C0]
[ 7054.371585][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7054.371903][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7054.372200][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7054.372493][ C0] ? report_enabled+0x19/0x30
[ 7054.372738][ C0] kasan_report+0x41/0xf0
[ 7054.372966][ C0] kasan_check_range+0x39/0x1c0
[ 7054.373219][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7054.373506][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7054.373824][ C0] ? __pfx___schedule+0x10/0x10
[ 7054.374086][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7054.374339][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7054.374618][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7054.374910][ C0] ? lock_acquire+0x1c1/0x220
[ 7054.375154][ C0] ? __mutex_lock+0x33e/0xb10
[ 7054.375399][ C0] ? __mutex_lock+0x811/0xb10
[ 7054.375640][ C0] _raw_spin_lock+0x67/0x80
[ 7054.375877][ C0] __mutex_lock+0x33e/0xb10
[ 7054.376113][ C0] ? __lock_release+0x40f/0x880
[ 7054.376365][ C0] ? __pfx___lock_release+0x10/0x10
[ 7054.376640][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.376940][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7054.377200][ C0] ? __pfx___up_read+0x10/0x10
[ 7054.377448][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7054.377720][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7054.377993][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7054.378292][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.378593][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.378882][ C0] __tcf_action_put+0x3d/0xf0
[ 7054.379127][ C0] tcf_action_destroy+0x43/0x130
[ 7054.379384][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7054.379626][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7054.379949][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7054.380229][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7054.380534][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7054.380835][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7054.381125][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7054.381443][ C0] ? __lock_release+0x40f/0x880
[ 7054.381695][ C0] ? __mutex_lock+0x26e/0xb10
[ 7054.381939][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7054.382227][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7054.382539][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7054.382848][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7054.383101][ C0] tcf_chain_flush+0x1e0/0x320
[ 7054.383349][ C0] __tcf_block_put+0x113/0x270
[ 7054.383599][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7054.383907][ C0] __qdisc_destroy+0xee/0x340
[ 7054.384150][ C0] dev_shutdown+0x129/0x350
[ 7054.384386][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7054.384713][ C0] ? rtnl_is_locked+0x15/0x20
[ 7054.384962][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7054.385282][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7054.385629][ C0] ? mutex_is_locked+0x17/0x50
[ 7054.385876][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7054.386186][ C0] cleanup_net+0x4cf/0xb60
[ 7054.386432][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7054.386736][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7054.387007][ C0] ? lock_acquire+0x1c1/0x220
[ 7054.387262][ C0] ? process_one_work+0x714/0x1310
[ 7054.387543][ C0] process_one_work+0x78c/0x1310
[ 7054.387813][ C0] ? hlock_class+0x4e/0x130
[ 7054.388049][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7054.388328][ C0] ? assign_work+0x16c/0x240
[ 7054.388571][ C0] worker_thread+0x73d/0x1010
[ 7054.388815][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7054.389079][ C0] kthread+0x28f/0x360
[ 7054.389296][ C0] ? __pfx_kthread+0x10/0x10
[ 7054.389533][ C0] ret_from_fork+0x31/0x70
[ 7054.389765][ C0] ? __pfx_kthread+0x10/0x10
[ 7054.390002][ C0] ret_from_fork_asm+0x1b/0x30
[ 7054.390253][ C0]
[ 7054.700502][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1508715 jiffies s: 77393 root: 0x1/.
[ 7054.701151][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7054.701529][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7054.701815][ C0] NMI backtrace for cpu 0
[ 7054.701820][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7054.701823][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7054.701826][ C0] Workqueue: netns cleanup_net
[ 7054.701831][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7054.701837][ 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
[ 7054.701840][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7054.701842][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7054.701844][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7054.701846][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7054.701848][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7054.701850][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7054.701851][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7054.701853][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7054.701856][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7054.701858][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7054.701859][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7054.701861][ C0] PKRU: 55555554
[ 7054.701862][ C0] Call Trace:
[ 7054.701864][ C0]
[ 7054.701867][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7054.701871][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7054.701875][ C0] ? nmi_handle+0x153/0x420
[ 7054.701880][ C0] ? default_do_nmi+0x41/0x100
[ 7054.701884][ C0] ? exc_nmi+0xf3/0x120
[ 7054.701887][ C0] ? end_repeat_nmi+0xf/0x60
[ 7054.701891][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7054.701895][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7054.701898][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7054.701902][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7054.701905][ C0]
[ 7054.701906][ C0]
[ 7054.701907][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7054.701911][ C0] ? __pfx___schedule+0x10/0x10
[ 7054.701916][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7054.701921][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7054.701924][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7054.701927][ C0] ? lock_acquire+0x1c1/0x220
[ 7054.701930][ C0] ? __mutex_lock+0x33e/0xb10
[ 7054.701934][ C0] ? __mutex_lock+0x811/0xb10
[ 7054.701937][ C0] _raw_spin_lock+0x67/0x80
[ 7054.701940][ C0] __mutex_lock+0x33e/0xb10
[ 7054.701943][ C0] ? __lock_release+0x40f/0x880
[ 7054.701946][ C0] ? __pfx___lock_release+0x10/0x10
[ 7054.701949][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.701954][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7054.701957][ C0] ? __pfx___up_read+0x10/0x10
[ 7054.701961][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7054.701964][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7054.701969][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7054.701975][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.701978][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7054.701983][ C0] __tcf_action_put+0x3d/0xf0
[ 7054.701987][ C0] tcf_action_destroy+0x43/0x130
[ 7054.701990][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7054.701993][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7054.702003][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7054.702012][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7054.702021][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7054.702029][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7054.702039][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7054.702046][ C0] ? __lock_release+0x40f/0x880
[ 7054.702050][ C0] ? __mutex_lock+0x26e/0xb10
[ 7054.702054][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7054.702064][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7054.702072][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7054.702076][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7054.702080][ C0] tcf_chain_flush+0x1e0/0x320
[ 7054.702084][ C0] __tcf_block_put+0x113/0x270
[ 7054.702089][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7054.702097][ C0] __qdisc_destroy+0xee/0x340
[ 7054.702101][ C0] dev_shutdown+0x129/0x350
[ 7054.702104][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7054.702108][ C0] ? rtnl_is_locked+0x15/0x20
[ 7054.702112][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7054.702115][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7054.702118][ C0] ? mutex_is_locked+0x17/0x50
[ 7054.702121][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7054.702127][ C0] cleanup_net+0x4cf/0xb60
[ 7054.702129][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7054.702132][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7054.702135][ C0] ? lock_acquire+0x1c1/0x220
[ 7054.702137][ C0] ? process_one_work+0x714/0x1310
[ 7054.702142][ C0] process_one_work+0x78c/0x1310
[ 7054.702146][ C0] ? hlock_class+0x4e/0x130
[ 7054.702150][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7054.702154][ C0] ? assign_work+0x16c/0x240
[ 7054.702158][ C0] worker_thread+0x73d/0x1010
[ 7054.702163][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7054.702165][ C0] kthread+0x28f/0x360
[ 7054.702168][ C0] ? __pfx_kthread+0x10/0x10
[ 7054.702170][ C0] ret_from_fork+0x31/0x70
[ 7054.702173][ C0] ? __pfx_kthread+0x10/0x10
[ 7054.702176][ C0] ret_from_fork_asm+0x1b/0x30
[ 7054.702183][ C0]
[ 7080.597572][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1431s! [kworker/u8:0:11]
[ 7080.598033][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7080.598961][ C0] irq event stamp: 6208419
[ 7080.599191][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7080.599669][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7080.600151][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7080.600630][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7080.601102][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7080.601587][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7080.602205][ C0] Workqueue: netns cleanup_net
[ 7080.602455][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 7080.602721][ 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
[ 7080.603706][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7080.604019][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7080.604425][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7080.604836][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7080.605243][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7080.605648][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 7080.606053][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7080.606507][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7080.606845][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7080.607255][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7080.607659][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7080.608062][ C0] PKRU: 55555554
[ 7080.608247][ C0] Call Trace:
[ 7080.608422][ C0]
[ 7080.608573][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7080.608841][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7080.609090][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7080.609371][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7080.609651][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7080.609944][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7080.610215][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7080.610527][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7080.610794][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7080.611110][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7080.611410][ C0]
[ 7080.611564][ C0]
[ 7080.611716][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7080.612037][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7080.612334][ C0] ? kasan_report+0x29/0xf0
[ 7080.612570][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7080.612867][ C0] kasan_check_range+0x39/0x1c0
[ 7080.613122][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7080.613409][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7080.613729][ C0] ? __pfx___schedule+0x10/0x10
[ 7080.613984][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7080.614238][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7080.614515][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7080.614806][ C0] ? lock_acquire+0x1c1/0x220
[ 7080.615053][ C0] ? __mutex_lock+0x33e/0xb10
[ 7080.615298][ C0] ? __mutex_lock+0x811/0xb10
[ 7080.615541][ C0] _raw_spin_lock+0x67/0x80
[ 7080.615775][ C0] __mutex_lock+0x33e/0xb10
[ 7080.616012][ C0] ? __lock_release+0x40f/0x880
[ 7080.616265][ C0] ? __pfx___lock_release+0x10/0x10
[ 7080.616537][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7080.616840][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7080.617100][ C0] ? __pfx___up_read+0x10/0x10
[ 7080.617349][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7080.617624][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7080.617899][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7080.618194][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7080.618497][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7080.618786][ C0] __tcf_action_put+0x3d/0xf0
[ 7080.619032][ C0] tcf_action_destroy+0x43/0x130
[ 7080.619289][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7080.619533][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7080.619862][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7080.620142][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7080.620446][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7080.620747][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7080.621037][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7080.621354][ C0] ? __lock_release+0x40f/0x880
[ 7080.621607][ C0] ? __mutex_lock+0x26e/0xb10
[ 7080.621852][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7080.622139][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7080.622454][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7080.622763][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7080.623015][ C0] tcf_chain_flush+0x1e0/0x320
[ 7080.623264][ C0] __tcf_block_put+0x113/0x270
[ 7080.623515][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7080.623824][ C0] __qdisc_destroy+0xee/0x340
[ 7080.624067][ C0] dev_shutdown+0x129/0x350
[ 7080.624305][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7080.624632][ C0] ? rtnl_is_locked+0x15/0x20
[ 7080.624884][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7080.625205][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7080.625552][ C0] ? mutex_is_locked+0x17/0x50
[ 7080.625799][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7080.626105][ C0] cleanup_net+0x4cf/0xb60
[ 7080.626336][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7080.626626][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7080.626882][ C0] ? lock_acquire+0x1c1/0x220
[ 7080.627124][ C0] ? process_one_work+0x714/0x1310
[ 7080.627390][ C0] process_one_work+0x78c/0x1310
[ 7080.627648][ C0] ? hlock_class+0x4e/0x130
[ 7080.627884][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7080.628162][ C0] ? assign_work+0x16c/0x240
[ 7080.628403][ C0] worker_thread+0x73d/0x1010
[ 7080.628649][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7080.628915][ C0] kthread+0x28f/0x360
[ 7080.629126][ C0] ? __pfx_kthread+0x10/0x10
[ 7080.629364][ C0] ret_from_fork+0x31/0x70
[ 7080.629595][ C0] ? __pfx_kthread+0x10/0x10
[ 7080.629834][ C0] ret_from_fork_asm+0x1b/0x30
[ 7080.630086][ C0]
[ 7108.597572][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1457s! [kworker/u8:0:11]
[ 7108.598028][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7108.598956][ C0] irq event stamp: 6208419
[ 7108.599187][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7108.599666][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7108.600147][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7108.600628][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7108.601100][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7108.601579][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7108.602199][ C0] Workqueue: netns cleanup_net
[ 7108.602450][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 7108.602716][ 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
[ 7108.603709][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7108.604022][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7108.604426][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7108.604836][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7108.605247][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 7108.605651][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7108.606055][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7108.606510][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7108.606847][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7108.607259][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7108.607664][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7108.608068][ C0] PKRU: 55555554
[ 7108.608252][ C0] Call Trace:
[ 7108.608427][ C0]
[ 7108.608577][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7108.608843][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7108.609092][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7108.609373][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7108.609651][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7108.609944][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7108.610215][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7108.610526][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7108.610793][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7108.611109][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7108.611408][ C0]
[ 7108.611564][ C0]
[ 7108.611716][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7108.612036][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7108.612337][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7108.612636][ C0] ? kasan_report+0xd2/0xf0
[ 7108.612874][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7108.613176][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7108.613466][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7108.613786][ C0] ? __pfx___schedule+0x10/0x10
[ 7108.614041][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7108.614294][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7108.614575][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7108.614864][ C0] ? lock_acquire+0x1c1/0x220
[ 7108.615107][ C0] ? __mutex_lock+0x33e/0xb10
[ 7108.615352][ C0] ? __mutex_lock+0x811/0xb10
[ 7108.615594][ C0] _raw_spin_lock+0x67/0x80
[ 7108.615828][ C0] __mutex_lock+0x33e/0xb10
[ 7108.616064][ C0] ? __lock_release+0x40f/0x880
[ 7108.616317][ C0] ? __pfx___lock_release+0x10/0x10
[ 7108.616588][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7108.616888][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7108.617149][ C0] ? __pfx___up_read+0x10/0x10
[ 7108.617399][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7108.617672][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7108.617949][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7108.618245][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7108.618546][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7108.618838][ C0] __tcf_action_put+0x3d/0xf0
[ 7108.619084][ C0] tcf_action_destroy+0x43/0x130
[ 7108.619341][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7108.619587][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7108.619911][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7108.620191][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7108.620496][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7108.620799][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7108.621090][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7108.621408][ C0] ? __lock_release+0x40f/0x880
[ 7108.621662][ C0] ? __mutex_lock+0x26e/0xb10
[ 7108.621908][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7108.622195][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7108.622511][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7108.622821][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7108.623075][ C0] tcf_chain_flush+0x1e0/0x320
[ 7108.623325][ C0] __tcf_block_put+0x113/0x270
[ 7108.623575][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7108.623885][ C0] __qdisc_destroy+0xee/0x340
[ 7108.624128][ C0] dev_shutdown+0x129/0x350
[ 7108.624365][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7108.624699][ C0] ? rtnl_is_locked+0x15/0x20
[ 7108.624945][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7108.625266][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7108.625614][ C0] ? mutex_is_locked+0x17/0x50
[ 7108.625862][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7108.626168][ C0] cleanup_net+0x4cf/0xb60
[ 7108.626400][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7108.626690][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7108.626947][ C0] ? lock_acquire+0x1c1/0x220
[ 7108.627191][ C0] ? process_one_work+0x714/0x1310
[ 7108.627457][ C0] process_one_work+0x78c/0x1310
[ 7108.627715][ C0] ? hlock_class+0x4e/0x130
[ 7108.627951][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7108.628229][ C0] ? assign_work+0x16c/0x240
[ 7108.628471][ C0] worker_thread+0x73d/0x1010
[ 7108.628716][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7108.628981][ C0] kthread+0x28f/0x360
[ 7108.629194][ C0] ? __pfx_kthread+0x10/0x10
[ 7108.629433][ C0] ret_from_fork+0x31/0x70
[ 7108.629665][ C0] ? __pfx_kthread+0x10/0x10
[ 7108.629904][ C0] ret_from_fork_asm+0x1b/0x30
[ 7108.630157][ C0]
[ 7132.390482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7132.390861][ C0] rcu: 0-....: (1584425 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=396518
[ 7132.391433][ C0] rcu: (t=1586677 jiffies g=2451281 q=5643 ncpus=4)
[ 7132.391778][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7132.392257][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7132.392886][ C0] Workqueue: netns cleanup_net
[ 7132.393140][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 7132.393407][ 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
[ 7132.394398][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7132.394723][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7132.395130][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7132.395538][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7132.395944][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7132.396353][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 7132.396760][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7132.397216][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7132.397555][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7132.397964][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7132.398373][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7132.398778][ C0] PKRU: 55555554
[ 7132.398964][ C0] Call Trace:
[ 7132.399138][ C0]
[ 7132.399290][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7132.399569][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7132.399827][ C0] ? check_cpu_stall+0x284/0x500
[ 7132.400086][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7132.400377][ C0] ? rcu_pending+0x92/0x360
[ 7132.400616][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7132.400889][ C0] ? update_process_times+0xb9/0x110
[ 7132.401163][ C0] ? tick_sched_handle+0x67/0x130
[ 7132.401424][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7132.401719][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7132.401966][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7132.402283][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7132.402564][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7132.402856][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7132.403126][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7132.403439][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7132.403708][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7132.404024][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7132.404327][ C0]
[ 7132.404485][ C0]
[ 7132.404639][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7132.404962][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7132.405259][ C0] ? kasan_report+0x29/0xf0
[ 7132.405497][ C0] kasan_check_range+0x39/0x1c0
[ 7132.405753][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7132.406042][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7132.406360][ C0] ? __pfx___schedule+0x10/0x10
[ 7132.406615][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7132.406870][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7132.407149][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7132.407440][ C0] ? lock_acquire+0x1c1/0x220
[ 7132.407685][ C0] ? __mutex_lock+0x33e/0xb10
[ 7132.407932][ C0] ? __mutex_lock+0x811/0xb10
[ 7132.408175][ C0] _raw_spin_lock+0x67/0x80
[ 7132.408413][ C0] __mutex_lock+0x33e/0xb10
[ 7132.408650][ C0] ? __lock_release+0x40f/0x880
[ 7132.408902][ C0] ? __pfx___lock_release+0x10/0x10
[ 7132.409171][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7132.409479][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7132.409742][ C0] ? __pfx___up_read+0x10/0x10
[ 7132.409991][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7132.410265][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7132.410538][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7132.410840][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7132.411141][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7132.411435][ C0] __tcf_action_put+0x3d/0xf0
[ 7132.411685][ C0] tcf_action_destroy+0x43/0x130
[ 7132.411944][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7132.412189][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7132.412517][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7132.412800][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7132.413110][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7132.413413][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7132.413709][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7132.414031][ C0] ? __lock_release+0x40f/0x880
[ 7132.414286][ C0] ? __mutex_lock+0x26e/0xb10
[ 7132.414542][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7132.414835][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7132.415148][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7132.415464][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7132.415720][ C0] tcf_chain_flush+0x1e0/0x320
[ 7132.415974][ C0] __tcf_block_put+0x113/0x270
[ 7132.416225][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7132.416535][ C0] __qdisc_destroy+0xee/0x340
[ 7132.416782][ C0] dev_shutdown+0x129/0x350
[ 7132.417020][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7132.417350][ C0] ? rtnl_is_locked+0x15/0x20
[ 7132.417596][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7132.417919][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7132.418270][ C0] ? mutex_is_locked+0x17/0x50
[ 7132.418521][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7132.418828][ C0] cleanup_net+0x4cf/0xb60
[ 7132.419062][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7132.419353][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7132.419611][ C0] ? lock_acquire+0x1c1/0x220
[ 7132.419855][ C0] ? process_one_work+0x714/0x1310
[ 7132.420124][ C0] process_one_work+0x78c/0x1310
[ 7132.420388][ C0] ? hlock_class+0x4e/0x130
[ 7132.420628][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7132.420910][ C0] ? assign_work+0x16c/0x240
[ 7132.421152][ C0] worker_thread+0x73d/0x1010
[ 7132.421400][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7132.421666][ C0] kthread+0x28f/0x360
[ 7132.421880][ C0] ? __pfx_kthread+0x10/0x10
[ 7132.422119][ C0] ret_from_fork+0x31/0x70
[ 7132.422353][ C0] ? __pfx_kthread+0x10/0x10
[ 7132.422592][ C0] ret_from_fork_asm+0x1b/0x30
[ 7132.422849][ C0]
[ 7153.004519][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1607019 jiffies s: 77393 root: 0x1/.
[ 7153.005182][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7153.005558][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7153.005843][ C0] NMI backtrace for cpu 0
[ 7153.005850][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7153.005854][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7153.005857][ C0] Workqueue: netns cleanup_net
[ 7153.005865][ C0] RIP: 0010:__kasan_check_read+0x0/0x20
[ 7153.005870][ C0] Code: 48 c7 c7 b0 c2 9e 9e 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
[ 7153.005873][ C0] RSP: 0018:ffffc900000bf3d8 EFLAGS: 00000202
[ 7153.005875][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7153.005877][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7153.005878][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7153.005880][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7153.005882][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7153.005883][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7153.005885][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7153.005889][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7153.005890][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7153.005892][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7153.005893][ C0] PKRU: 55555554
[ 7153.005894][ C0] Call Trace:
[ 7153.005898][ C0]
[ 7153.005901][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7153.005906][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7153.005910][ C0] ? nmi_handle+0x153/0x420
[ 7153.005915][ C0] ? default_do_nmi+0x41/0x100
[ 7153.005920][ C0] ? exc_nmi+0xf3/0x120
[ 7153.005922][ C0] ? end_repeat_nmi+0xf/0x60
[ 7153.005927][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7153.005932][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 7153.005935][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 7153.005937][ C0] ? __pfx___kasan_check_read+0x10/0x10
[ 7153.005940][ C0]
[ 7153.005941][ C0]
[ 7153.005942][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7153.005946][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7153.005950][ C0] ? __pfx___schedule+0x10/0x10
[ 7153.005955][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7153.005960][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7153.005962][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7153.005966][ C0] ? lock_acquire+0x1c1/0x220
[ 7153.005968][ C0] ? __mutex_lock+0x33e/0xb10
[ 7153.005972][ C0] ? __mutex_lock+0x811/0xb10
[ 7153.005975][ C0] _raw_spin_lock+0x67/0x80
[ 7153.005978][ C0] __mutex_lock+0x33e/0xb10
[ 7153.005981][ C0] ? __lock_release+0x40f/0x880
[ 7153.005985][ C0] ? __pfx___lock_release+0x10/0x10
[ 7153.005987][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7153.005992][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7153.005995][ C0] ? __pfx___up_read+0x10/0x10
[ 7153.005998][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7153.006001][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7153.006005][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7153.006012][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7153.006015][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7153.006019][ C0] __tcf_action_put+0x3d/0xf0
[ 7153.006023][ C0] tcf_action_destroy+0x43/0x130
[ 7153.006027][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7153.006030][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7153.006041][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7153.006049][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7153.006057][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7153.006066][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7153.006076][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7153.006083][ C0] ? __lock_release+0x40f/0x880
[ 7153.006087][ C0] ? __mutex_lock+0x26e/0xb10
[ 7153.006091][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7153.006101][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7153.006108][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7153.006113][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7153.006117][ C0] tcf_chain_flush+0x1e0/0x320
[ 7153.006121][ C0] __tcf_block_put+0x113/0x270
[ 7153.006127][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7153.006134][ C0] __qdisc_destroy+0xee/0x340
[ 7153.006138][ C0] dev_shutdown+0x129/0x350
[ 7153.006142][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7153.006146][ C0] ? rtnl_is_locked+0x15/0x20
[ 7153.006149][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7153.006152][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7153.006155][ C0] ? mutex_is_locked+0x17/0x50
[ 7153.006158][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7153.006163][ C0] cleanup_net+0x4cf/0xb60
[ 7153.006166][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7153.006169][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7153.006172][ C0] ? lock_acquire+0x1c1/0x220
[ 7153.006174][ C0] ? process_one_work+0x714/0x1310
[ 7153.006179][ C0] process_one_work+0x78c/0x1310
[ 7153.006183][ C0] ? hlock_class+0x4e/0x130
[ 7153.006186][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7153.006191][ C0] ? assign_work+0x16c/0x240
[ 7153.006195][ C0] worker_thread+0x73d/0x1010
[ 7153.006200][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7153.006202][ C0] kthread+0x28f/0x360
[ 7153.006205][ C0] ? __pfx_kthread+0x10/0x10
[ 7153.006208][ C0] ret_from_fork+0x31/0x70
[ 7153.006211][ C0] ? __pfx_kthread+0x10/0x10
[ 7153.006213][ C0] ret_from_fork_asm+0x1b/0x30
[ 7153.006221][ C0]
[ 7180.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1524s! [kworker/u8:0:11]
[ 7180.598031][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7180.598969][ C0] irq event stamp: 6208419
[ 7180.599199][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7180.599686][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7180.600172][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7180.600655][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7180.601131][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7180.601617][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7180.602240][ C0] Workqueue: netns cleanup_net
[ 7180.602492][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7180.602823][ 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
[ 7180.603815][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7180.604130][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7180.604543][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7180.604952][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7180.605359][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7180.605766][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7180.606171][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7180.606627][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7180.606970][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7180.607380][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7180.607788][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7180.608193][ C0] PKRU: 55555554
[ 7180.608379][ C0] Call Trace:
[ 7180.608556][ C0]
[ 7180.608708][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7180.608978][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7180.609228][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7180.609512][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7180.609793][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7180.610087][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7180.610357][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7180.610672][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7180.610942][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7180.611258][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7180.611562][ C0]
[ 7180.611715][ C0]
[ 7180.611868][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7180.612190][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7180.612494][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7180.612797][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7180.613116][ C0] ? __pfx___schedule+0x10/0x10
[ 7180.613371][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7180.613628][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7180.613904][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7180.614205][ C0] ? lock_acquire+0x1c1/0x220
[ 7180.614452][ C0] ? __mutex_lock+0x33e/0xb10
[ 7180.614697][ C0] ? __mutex_lock+0x811/0xb10
[ 7180.614942][ C0] _raw_spin_lock+0x67/0x80
[ 7180.615179][ C0] __mutex_lock+0x33e/0xb10
[ 7180.615413][ C0] ? __lock_release+0x40f/0x880
[ 7180.615669][ C0] ? __pfx___lock_release+0x10/0x10
[ 7180.615937][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7180.616242][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7180.616508][ C0] ? __pfx___up_read+0x10/0x10
[ 7180.616759][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7180.617033][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7180.617307][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7180.617610][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7180.617911][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7180.618205][ C0] __tcf_action_put+0x3d/0xf0
[ 7180.618451][ C0] tcf_action_destroy+0x43/0x130
[ 7180.618710][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7180.618956][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7180.619283][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7180.619564][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7180.619872][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7180.620172][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7180.620467][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7180.620787][ C0] ? __lock_release+0x40f/0x880
[ 7180.621043][ C0] ? __mutex_lock+0x26e/0xb10
[ 7180.621290][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7180.621580][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7180.621895][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7180.622208][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7180.622462][ C0] tcf_chain_flush+0x1e0/0x320
[ 7180.622715][ C0] __tcf_block_put+0x113/0x270
[ 7180.622965][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7180.623275][ C0] __qdisc_destroy+0xee/0x340
[ 7180.623523][ C0] dev_shutdown+0x129/0x350
[ 7180.623761][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7180.624089][ C0] ? rtnl_is_locked+0x15/0x20
[ 7180.624339][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7180.624663][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7180.625012][ C0] ? mutex_is_locked+0x17/0x50
[ 7180.625259][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7180.625569][ C0] cleanup_net+0x4cf/0xb60
[ 7180.625802][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7180.626092][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7180.626350][ C0] ? lock_acquire+0x1c1/0x220
[ 7180.626596][ C0] ? process_one_work+0x714/0x1310
[ 7180.626865][ C0] process_one_work+0x78c/0x1310
[ 7180.627125][ C0] ? hlock_class+0x4e/0x130
[ 7180.627360][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7180.627644][ C0] ? assign_work+0x16c/0x240
[ 7180.627884][ C0] worker_thread+0x73d/0x1010
[ 7180.628133][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7180.628399][ C0] kthread+0x28f/0x360
[ 7180.628613][ C0] ? __pfx_kthread+0x10/0x10
[ 7180.628855][ C0] ret_from_fork+0x31/0x70
[ 7180.629088][ C0] ? __pfx_kthread+0x10/0x10
[ 7180.629328][ C0] ret_from_fork_asm+0x1b/0x30
[ 7180.629585][ C0]
[ 7208.597572][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1550s! [kworker/u8:0:11]
[ 7208.598032][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7208.598960][ C0] irq event stamp: 6208419
[ 7208.599188][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7208.599669][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7208.600148][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7208.600629][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7208.601101][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7208.601579][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7208.602203][ C0] Workqueue: netns cleanup_net
[ 7208.602453][ C0] RIP: 0010:kasan_report+0x16/0xf0
[ 7208.602720][ 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
[ 7208.603707][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7208.604019][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7208.604429][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7208.604834][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7208.605238][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7208.605645][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7208.606048][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7208.606503][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7208.606840][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7208.607249][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7208.607657][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7208.608060][ C0] PKRU: 55555554
[ 7208.608245][ C0] Call Trace:
[ 7208.608421][ C0]
[ 7208.608575][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7208.608843][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7208.609091][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7208.609372][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7208.609650][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7208.609944][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7208.610213][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7208.610527][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7208.610794][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7208.611109][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7208.611406][ C0]
[ 7208.611561][ C0]
[ 7208.611713][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7208.612033][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7208.612333][ C0] ? kasan_report+0x16/0xf0
[ 7208.612571][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7208.612864][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7208.613181][ C0] ? __pfx___schedule+0x10/0x10
[ 7208.613434][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7208.613689][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7208.613965][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7208.614260][ C0] ? lock_acquire+0x1c1/0x220
[ 7208.614504][ C0] ? __mutex_lock+0x33e/0xb10
[ 7208.614747][ C0] ? __mutex_lock+0x811/0xb10
[ 7208.614991][ C0] _raw_spin_lock+0x67/0x80
[ 7208.615227][ C0] __mutex_lock+0x33e/0xb10
[ 7208.615460][ C0] ? __lock_release+0x40f/0x880
[ 7208.615713][ C0] ? __pfx___lock_release+0x10/0x10
[ 7208.615980][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7208.616283][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7208.616547][ C0] ? __pfx___up_read+0x10/0x10
[ 7208.616797][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7208.617068][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7208.617342][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7208.617641][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7208.617939][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7208.618231][ C0] __tcf_action_put+0x3d/0xf0
[ 7208.618475][ C0] tcf_action_destroy+0x43/0x130
[ 7208.618733][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7208.618976][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7208.619301][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7208.619579][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7208.619886][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7208.620183][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7208.620476][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7208.620794][ C0] ? __lock_release+0x40f/0x880
[ 7208.621046][ C0] ? __mutex_lock+0x26e/0xb10
[ 7208.621292][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7208.621581][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7208.621892][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7208.622203][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7208.622456][ C0] tcf_chain_flush+0x1e0/0x320
[ 7208.622707][ C0] __tcf_block_put+0x113/0x270
[ 7208.622955][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7208.623262][ C0] __qdisc_destroy+0xee/0x340
[ 7208.623509][ C0] dev_shutdown+0x129/0x350
[ 7208.623746][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7208.624081][ C0] ? rtnl_is_locked+0x15/0x20
[ 7208.624324][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7208.624646][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7208.624994][ C0] ? mutex_is_locked+0x17/0x50
[ 7208.625241][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7208.625554][ C0] cleanup_net+0x4cf/0xb60
[ 7208.625788][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7208.626077][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7208.626336][ C0] ? lock_acquire+0x1c1/0x220
[ 7208.626582][ C0] ? process_one_work+0x714/0x1310
[ 7208.626849][ C0] process_one_work+0x78c/0x1310
[ 7208.627110][ C0] ? hlock_class+0x4e/0x130
[ 7208.627346][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7208.627629][ C0] ? assign_work+0x16c/0x240
[ 7208.627869][ C0] worker_thread+0x73d/0x1010
[ 7208.628117][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7208.628382][ C0] kthread+0x28f/0x360
[ 7208.628595][ C0] ? __pfx_kthread+0x10/0x10
[ 7208.628837][ C0] ret_from_fork+0x31/0x70
[ 7208.629071][ C0] ? __pfx_kthread+0x10/0x10
[ 7208.629308][ C0] ret_from_fork_asm+0x1b/0x30
[ 7208.629564][ C0]
[ 7210.423483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7210.423827][ C0] rcu: 0-....: (1662339 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=416019
[ 7210.424404][ C0] rcu: (t=1664710 jiffies g=2451281 q=5643 ncpus=4)
[ 7210.424745][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7210.425226][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7210.425845][ C0] Workqueue: netns cleanup_net
[ 7210.426095][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7210.426425][ 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
[ 7210.427411][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7210.427725][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7210.428131][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7210.428538][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7210.428946][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7210.429350][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7210.429757][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7210.430210][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7210.430549][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7210.430958][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7210.431362][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7210.431767][ C0] PKRU: 55555554
[ 7210.431952][ C0] Call Trace:
[ 7210.432124][ C0]
[ 7210.432273][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7210.432551][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7210.432806][ C0] ? check_cpu_stall+0x284/0x500
[ 7210.433061][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7210.433353][ C0] ? rcu_pending+0x92/0x360
[ 7210.433586][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7210.433862][ C0] ? update_process_times+0xb9/0x110
[ 7210.434142][ C0] ? tick_sched_handle+0x67/0x130
[ 7210.434403][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7210.434692][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7210.434939][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7210.435259][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7210.435540][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7210.435836][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7210.436104][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7210.436415][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7210.436684][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7210.436997][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7210.437299][ C0]
[ 7210.437451][ C0]
[ 7210.437608][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7210.437929][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7210.438229][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7210.438533][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7210.438852][ C0] ? __pfx___schedule+0x10/0x10
[ 7210.439107][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7210.439362][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7210.439641][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7210.439931][ C0] ? lock_acquire+0x1c1/0x220
[ 7210.440175][ C0] ? __mutex_lock+0x33e/0xb10
[ 7210.440422][ C0] ? __mutex_lock+0x811/0xb10
[ 7210.440666][ C0] _raw_spin_lock+0x67/0x80
[ 7210.440902][ C0] __mutex_lock+0x33e/0xb10
[ 7210.441137][ C0] ? __lock_release+0x40f/0x880
[ 7210.441390][ C0] ? __pfx___lock_release+0x10/0x10
[ 7210.441665][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7210.441963][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7210.442223][ C0] ? __pfx___up_read+0x10/0x10
[ 7210.442472][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7210.442746][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7210.443020][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7210.443316][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7210.443619][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7210.443909][ C0] __tcf_action_put+0x3d/0xf0
[ 7210.444158][ C0] tcf_action_destroy+0x43/0x130
[ 7210.444415][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7210.444659][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7210.444980][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7210.445261][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7210.445565][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7210.445866][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7210.446158][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7210.446475][ C0] ? __lock_release+0x40f/0x880
[ 7210.446731][ C0] ? __mutex_lock+0x26e/0xb10
[ 7210.446974][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7210.447263][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7210.447577][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7210.447885][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7210.448139][ C0] tcf_chain_flush+0x1e0/0x320
[ 7210.448388][ C0] __tcf_block_put+0x113/0x270
[ 7210.448639][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7210.448949][ C0] __qdisc_destroy+0xee/0x340
[ 7210.449191][ C0] dev_shutdown+0x129/0x350
[ 7210.449426][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7210.449754][ C0] ? rtnl_is_locked+0x15/0x20
[ 7210.449998][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7210.450318][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7210.450666][ C0] ? mutex_is_locked+0x17/0x50
[ 7210.450914][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7210.451219][ C0] cleanup_net+0x4cf/0xb60
[ 7210.451451][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7210.451739][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7210.451999][ C0] ? lock_acquire+0x1c1/0x220
[ 7210.452241][ C0] ? process_one_work+0x714/0x1310
[ 7210.452506][ C0] process_one_work+0x78c/0x1310
[ 7210.452769][ C0] ? hlock_class+0x4e/0x130
[ 7210.453004][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7210.453282][ C0] ? assign_work+0x16c/0x240
[ 7210.453524][ C0] worker_thread+0x73d/0x1010
[ 7210.453767][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7210.454032][ C0] kthread+0x28f/0x360
[ 7210.454250][ C0] ? __pfx_kthread+0x10/0x10
[ 7210.454486][ C0] ret_from_fork+0x31/0x70
[ 7210.454718][ C0] ? __pfx_kthread+0x10/0x10
[ 7210.454957][ C0] ret_from_fork_asm+0x1b/0x30
[ 7210.455206][ C0]
[ 7236.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1576s! [kworker/u8:0:11]
[ 7236.598033][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7236.598967][ C0] irq event stamp: 6208419
[ 7236.599197][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7236.599681][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7236.600164][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7236.600649][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7236.601120][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7236.601600][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7236.602222][ C0] Workqueue: netns cleanup_net
[ 7236.602472][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7236.602804][ 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
[ 7236.603791][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7236.604111][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7236.604516][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7236.604921][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7236.605327][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7236.605733][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7236.606138][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7236.606592][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7236.606928][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7236.607336][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7236.607742][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7236.608145][ C0] PKRU: 55555554
[ 7236.608330][ C0] Call Trace:
[ 7236.608506][ C0]
[ 7236.608660][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7236.608927][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7236.609174][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7236.609455][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7236.609734][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7236.610028][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7236.610298][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7236.610610][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7236.610877][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7236.611192][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7236.611492][ C0]
[ 7236.611648][ C0]
[ 7236.611800][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7236.612121][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7236.612423][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7236.612724][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7236.613043][ C0] ? __pfx___schedule+0x10/0x10
[ 7236.613300][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7236.613555][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7236.613831][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7236.614125][ C0] ? lock_acquire+0x1c1/0x220
[ 7236.614371][ C0] ? __mutex_lock+0x33e/0xb10
[ 7236.614618][ C0] ? __mutex_lock+0x811/0xb10
[ 7236.614861][ C0] _raw_spin_lock+0x67/0x80
[ 7236.615094][ C0] __mutex_lock+0x33e/0xb10
[ 7236.615330][ C0] ? __lock_release+0x40f/0x880
[ 7236.615587][ C0] ? __pfx___lock_release+0x10/0x10
[ 7236.615854][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7236.616156][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7236.616418][ C0] ? __pfx___up_read+0x10/0x10
[ 7236.616667][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7236.616940][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7236.617213][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7236.617508][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7236.617809][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7236.618097][ C0] __tcf_action_put+0x3d/0xf0
[ 7236.618342][ C0] tcf_action_destroy+0x43/0x130
[ 7236.618600][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7236.618843][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7236.619168][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7236.619446][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7236.619755][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7236.620054][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7236.620344][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7236.620662][ C0] ? __lock_release+0x40f/0x880
[ 7236.620914][ C0] ? __mutex_lock+0x26e/0xb10
[ 7236.621158][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7236.621444][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7236.621759][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7236.622069][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7236.622321][ C0] tcf_chain_flush+0x1e0/0x320
[ 7236.622568][ C0] __tcf_block_put+0x113/0x270
[ 7236.622818][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7236.623127][ C0] __qdisc_destroy+0xee/0x340
[ 7236.623371][ C0] dev_shutdown+0x129/0x350
[ 7236.623606][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7236.623935][ C0] ? rtnl_is_locked+0x15/0x20
[ 7236.624179][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7236.624501][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7236.624846][ C0] ? mutex_is_locked+0x17/0x50
[ 7236.625094][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7236.625399][ C0] cleanup_net+0x4cf/0xb60
[ 7236.625630][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7236.625921][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7236.626177][ C0] ? lock_acquire+0x1c1/0x220
[ 7236.626419][ C0] ? process_one_work+0x714/0x1310
[ 7236.626688][ C0] process_one_work+0x78c/0x1310
[ 7236.626945][ C0] ? hlock_class+0x4e/0x130
[ 7236.627183][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7236.627462][ C0] ? assign_work+0x16c/0x240
[ 7236.627705][ C0] worker_thread+0x73d/0x1010
[ 7236.627957][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7236.628221][ C0] kthread+0x28f/0x360
[ 7236.628434][ C0] ? __pfx_kthread+0x10/0x10
[ 7236.628676][ C0] ret_from_fork+0x31/0x70
[ 7236.628908][ C0] ? __pfx_kthread+0x10/0x10
[ 7236.629149][ C0] ret_from_fork_asm+0x1b/0x30
[ 7236.629403][ C0]
[ 7251.308496][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1705323 jiffies s: 77393 root: 0x1/.
[ 7251.309155][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7251.309529][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7251.309811][ C0] NMI backtrace for cpu 0
[ 7251.309818][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7251.309823][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7251.309826][ C0] Workqueue: netns cleanup_net
[ 7251.309834][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7251.309840][ 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
[ 7251.309843][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7251.309846][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7251.309848][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7251.309849][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7251.309851][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7251.309853][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7251.309854][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7251.309857][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7251.309860][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7251.309862][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7251.309863][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7251.309865][ C0] PKRU: 55555554
[ 7251.309866][ C0] Call Trace:
[ 7251.309870][ C0]
[ 7251.309873][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7251.309878][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7251.309882][ C0] ? nmi_handle+0x153/0x420
[ 7251.309887][ C0] ? default_do_nmi+0x41/0x100
[ 7251.309891][ C0] ? exc_nmi+0xf3/0x120
[ 7251.309894][ C0] ? end_repeat_nmi+0xf/0x60
[ 7251.309898][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7251.309901][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7251.309905][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7251.309908][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7251.309912][ C0]
[ 7251.309913][ C0]
[ 7251.309914][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7251.309918][ C0] ? __pfx___schedule+0x10/0x10
[ 7251.309923][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7251.309928][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7251.309931][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7251.309934][ C0] ? lock_acquire+0x1c1/0x220
[ 7251.309936][ C0] ? __mutex_lock+0x33e/0xb10
[ 7251.309940][ C0] ? __mutex_lock+0x811/0xb10
[ 7251.309943][ C0] _raw_spin_lock+0x67/0x80
[ 7251.309946][ C0] __mutex_lock+0x33e/0xb10
[ 7251.309949][ C0] ? __lock_release+0x40f/0x880
[ 7251.309952][ C0] ? __pfx___lock_release+0x10/0x10
[ 7251.309955][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7251.309960][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7251.309963][ C0] ? __pfx___up_read+0x10/0x10
[ 7251.309967][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7251.309970][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7251.309974][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7251.309982][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7251.309986][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7251.309990][ C0] __tcf_action_put+0x3d/0xf0
[ 7251.309995][ C0] tcf_action_destroy+0x43/0x130
[ 7251.309998][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7251.310001][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7251.310012][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7251.310021][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7251.310029][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7251.310038][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7251.310047][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7251.310055][ C0] ? __lock_release+0x40f/0x880
[ 7251.310058][ C0] ? __mutex_lock+0x26e/0xb10
[ 7251.310063][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7251.310072][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7251.310080][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7251.310085][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7251.310089][ C0] tcf_chain_flush+0x1e0/0x320
[ 7251.310093][ C0] __tcf_block_put+0x113/0x270
[ 7251.310097][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7251.310105][ C0] __qdisc_destroy+0xee/0x340
[ 7251.310108][ C0] dev_shutdown+0x129/0x350
[ 7251.310112][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7251.310116][ C0] ? rtnl_is_locked+0x15/0x20
[ 7251.310120][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7251.310122][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7251.310126][ C0] ? mutex_is_locked+0x17/0x50
[ 7251.310128][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7251.310134][ C0] cleanup_net+0x4cf/0xb60
[ 7251.310137][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7251.310139][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7251.310143][ C0] ? lock_acquire+0x1c1/0x220
[ 7251.310145][ C0] ? process_one_work+0x714/0x1310
[ 7251.310150][ C0] process_one_work+0x78c/0x1310
[ 7251.310154][ C0] ? hlock_class+0x4e/0x130
[ 7251.310158][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7251.310162][ C0] ? assign_work+0x16c/0x240
[ 7251.310166][ C0] worker_thread+0x73d/0x1010
[ 7251.310171][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7251.310174][ C0] kthread+0x28f/0x360
[ 7251.310177][ C0] ? __pfx_kthread+0x10/0x10
[ 7251.310180][ C0] ret_from_fork+0x31/0x70
[ 7251.310183][ C0] ? __pfx_kthread+0x10/0x10
[ 7251.310185][ C0] ret_from_fork_asm+0x1b/0x30
[ 7251.310193][ C0]
[ 7276.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1613s! [kworker/u8:0:11]
[ 7276.598039][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7276.598970][ C0] irq event stamp: 6208419
[ 7276.599198][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7276.599682][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7276.600162][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7276.600646][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7276.601119][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7276.601599][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7276.602223][ C0] Workqueue: netns cleanup_net
[ 7276.602473][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 7276.602750][ 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
[ 7276.603745][ C0] RSP: 0018:ffffc900000bf310 EFLAGS: 00000247
[ 7276.604059][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 7276.604465][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7276.604871][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7276.605278][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7276.605685][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 7276.606091][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7276.606549][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7276.606887][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7276.607296][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7276.607707][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7276.608119][ C0] PKRU: 55555554
[ 7276.608304][ C0] Call Trace:
[ 7276.608479][ C0]
[ 7276.608633][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7276.608901][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7276.609150][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7276.609432][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7276.609711][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7276.610007][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7276.610277][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7276.610592][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7276.610859][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7276.611175][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7276.611474][ C0]
[ 7276.611630][ C0]
[ 7276.611782][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7276.612103][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7276.612397][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7276.612695][ C0] ? report_enabled+0x19/0x30
[ 7276.612940][ C0] kasan_report+0x41/0xf0
[ 7276.613166][ C0] kasan_check_range+0x39/0x1c0
[ 7276.613420][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7276.613707][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7276.614029][ C0] ? __pfx___schedule+0x10/0x10
[ 7276.614284][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7276.614540][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7276.614816][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7276.615108][ C0] ? lock_acquire+0x1c1/0x220
[ 7276.615349][ C0] ? __mutex_lock+0x33e/0xb10
[ 7276.615597][ C0] ? __mutex_lock+0x811/0xb10
[ 7276.615841][ C0] _raw_spin_lock+0x67/0x80
[ 7276.616076][ C0] __mutex_lock+0x33e/0xb10
[ 7276.616313][ C0] ? __lock_release+0x40f/0x880
[ 7276.616567][ C0] ? __pfx___lock_release+0x10/0x10
[ 7276.616835][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7276.617140][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7276.617404][ C0] ? __pfx___up_read+0x10/0x10
[ 7276.617657][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7276.617933][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7276.618211][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7276.618512][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7276.618816][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7276.619108][ C0] __tcf_action_put+0x3d/0xf0
[ 7276.619355][ C0] tcf_action_destroy+0x43/0x130
[ 7276.619615][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7276.619860][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7276.620188][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7276.620469][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7276.620778][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7276.621080][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7276.621375][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7276.621696][ C0] ? __lock_release+0x40f/0x880
[ 7276.621950][ C0] ? __mutex_lock+0x26e/0xb10
[ 7276.622197][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7276.622485][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7276.622805][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7276.623118][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7276.623372][ C0] tcf_chain_flush+0x1e0/0x320
[ 7276.623623][ C0] __tcf_block_put+0x113/0x270
[ 7276.623881][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7276.624194][ C0] __qdisc_destroy+0xee/0x340
[ 7276.624441][ C0] dev_shutdown+0x129/0x350
[ 7276.624676][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7276.625006][ C0] ? rtnl_is_locked+0x15/0x20
[ 7276.625253][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7276.625579][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7276.625929][ C0] ? mutex_is_locked+0x17/0x50
[ 7276.626178][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7276.626487][ C0] cleanup_net+0x4cf/0xb60
[ 7276.626719][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7276.627013][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7276.627273][ C0] ? lock_acquire+0x1c1/0x220
[ 7276.627519][ C0] ? process_one_work+0x714/0x1310
[ 7276.627786][ C0] process_one_work+0x78c/0x1310
[ 7276.628047][ C0] ? hlock_class+0x4e/0x130
[ 7276.628284][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7276.628567][ C0] ? assign_work+0x16c/0x240
[ 7276.628811][ C0] worker_thread+0x73d/0x1010
[ 7276.629059][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7276.629324][ C0] kthread+0x28f/0x360
[ 7276.629537][ C0] ? __pfx_kthread+0x10/0x10
[ 7276.629779][ C0] ret_from_fork+0x31/0x70
[ 7276.630008][ C0] ? __pfx_kthread+0x10/0x10
[ 7276.630250][ C0] ret_from_fork_asm+0x1b/0x30
[ 7276.630505][ C0]
[ 7288.454482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7288.454845][ C0] rcu: 0-....: (1740251 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=435520
[ 7288.455413][ C0] rcu: (t=1742741 jiffies g=2451281 q=5643 ncpus=4)
[ 7288.455759][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7288.456236][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7288.456859][ C0] Workqueue: netns cleanup_net
[ 7288.457107][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7288.457441][ 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
[ 7288.458430][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7288.458743][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7288.459152][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7288.459558][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7288.459963][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7288.460369][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7288.460779][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7288.461233][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7288.461573][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7288.461980][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7288.462387][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7288.462795][ C0] PKRU: 55555554
[ 7288.462980][ C0] Call Trace:
[ 7288.463152][ C0]
[ 7288.463304][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7288.463583][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7288.463845][ C0] ? check_cpu_stall+0x284/0x500
[ 7288.464100][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7288.464390][ C0] ? rcu_pending+0x92/0x360
[ 7288.464627][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7288.464900][ C0] ? update_process_times+0xb9/0x110
[ 7288.465174][ C0] ? tick_sched_handle+0x67/0x130
[ 7288.465435][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7288.465725][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7288.465971][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7288.466289][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7288.466567][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7288.466861][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7288.467130][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7288.467440][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7288.467708][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7288.468023][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7288.468321][ C0]
[ 7288.468476][ C0]
[ 7288.468629][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7288.468950][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7288.469251][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7288.469552][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7288.469870][ C0] ? __pfx___schedule+0x10/0x10
[ 7288.470123][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7288.470377][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7288.470655][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7288.470944][ C0] ? lock_acquire+0x1c1/0x220
[ 7288.471186][ C0] ? __mutex_lock+0x33e/0xb10
[ 7288.471431][ C0] ? __mutex_lock+0x811/0xb10
[ 7288.471676][ C0] _raw_spin_lock+0x67/0x80
[ 7288.471909][ C0] __mutex_lock+0x33e/0xb10
[ 7288.472145][ C0] ? __lock_release+0x40f/0x880
[ 7288.472397][ C0] ? __pfx___lock_release+0x10/0x10
[ 7288.472665][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7288.472968][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7288.473229][ C0] ? __pfx___up_read+0x10/0x10
[ 7288.473478][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7288.473757][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7288.474031][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7288.474326][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7288.474630][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7288.474921][ C0] __tcf_action_put+0x3d/0xf0
[ 7288.475165][ C0] tcf_action_destroy+0x43/0x130
[ 7288.475422][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7288.475665][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7288.475990][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7288.476268][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7288.476575][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7288.476875][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7288.477165][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7288.477481][ C0] ? __lock_release+0x40f/0x880
[ 7288.477735][ C0] ? __mutex_lock+0x26e/0xb10
[ 7288.477990][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7288.478278][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7288.478594][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7288.478905][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7288.479158][ C0] tcf_chain_flush+0x1e0/0x320
[ 7288.479405][ C0] __tcf_block_put+0x113/0x270
[ 7288.479657][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7288.479969][ C0] __qdisc_destroy+0xee/0x340
[ 7288.480215][ C0] dev_shutdown+0x129/0x350
[ 7288.480450][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7288.480780][ C0] ? rtnl_is_locked+0x15/0x20
[ 7288.481027][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7288.481349][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7288.481696][ C0] ? mutex_is_locked+0x17/0x50
[ 7288.481945][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7288.482254][ C0] cleanup_net+0x4cf/0xb60
[ 7288.482486][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7288.482779][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7288.483039][ C0] ? lock_acquire+0x1c1/0x220
[ 7288.483282][ C0] ? process_one_work+0x714/0x1310
[ 7288.483550][ C0] process_one_work+0x78c/0x1310
[ 7288.483816][ C0] ? hlock_class+0x4e/0x130
[ 7288.484052][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7288.484335][ C0] ? assign_work+0x16c/0x240
[ 7288.484579][ C0] worker_thread+0x73d/0x1010
[ 7288.484827][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7288.485092][ C0] kthread+0x28f/0x360
[ 7288.485303][ C0] ? __pfx_kthread+0x10/0x10
[ 7288.485544][ C0] ret_from_fork+0x31/0x70
[ 7288.485775][ C0] ? __pfx_kthread+0x10/0x10
[ 7288.486014][ C0] ret_from_fork_asm+0x1b/0x30
[ 7288.486268][ C0]
[ 7312.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1647s! [kworker/u8:0:11]
[ 7312.598030][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7312.598958][ C0] irq event stamp: 6208419
[ 7312.599188][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7312.599669][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7312.600152][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7312.600631][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7312.601106][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7312.601587][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7312.602206][ C0] Workqueue: netns cleanup_net
[ 7312.602456][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7312.602788][ 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
[ 7312.603782][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7312.604095][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7312.604501][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7312.604906][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7312.605313][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7312.605719][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7312.606125][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7312.606581][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7312.606919][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7312.607329][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7312.607736][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7312.608140][ C0] PKRU: 55555554
[ 7312.608324][ C0] Call Trace:
[ 7312.608500][ C0]
[ 7312.608652][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7312.608918][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7312.609167][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7312.609447][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7312.609729][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7312.610020][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7312.610291][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7312.610604][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7312.610871][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7312.611187][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7312.611487][ C0]
[ 7312.611641][ C0]
[ 7312.611793][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7312.612115][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7312.612417][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7312.612718][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7312.613035][ C0] ? __pfx___schedule+0x10/0x10
[ 7312.613290][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7312.613546][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7312.613827][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7312.614118][ C0] ? lock_acquire+0x1c1/0x220
[ 7312.614360][ C0] ? __mutex_lock+0x33e/0xb10
[ 7312.614605][ C0] ? __mutex_lock+0x811/0xb10
[ 7312.614849][ C0] _raw_spin_lock+0x67/0x80
[ 7312.615085][ C0] __mutex_lock+0x33e/0xb10
[ 7312.615319][ C0] ? __lock_release+0x40f/0x880
[ 7312.615572][ C0] ? __pfx___lock_release+0x10/0x10
[ 7312.615839][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7312.616143][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7312.616405][ C0] ? __pfx___up_read+0x10/0x10
[ 7312.616656][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7312.616929][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7312.617201][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7312.617500][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7312.617800][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7312.618092][ C0] __tcf_action_put+0x3d/0xf0
[ 7312.618336][ C0] tcf_action_destroy+0x43/0x130
[ 7312.618594][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7312.618839][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7312.619165][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7312.619443][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7312.619750][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7312.620049][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7312.620345][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7312.620664][ C0] ? __lock_release+0x40f/0x880
[ 7312.620915][ C0] ? __mutex_lock+0x26e/0xb10
[ 7312.621160][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7312.621446][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7312.621765][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7312.622076][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7312.622331][ C0] tcf_chain_flush+0x1e0/0x320
[ 7312.622584][ C0] __tcf_block_put+0x113/0x270
[ 7312.622833][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7312.623146][ C0] __qdisc_destroy+0xee/0x340
[ 7312.623392][ C0] dev_shutdown+0x129/0x350
[ 7312.623636][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7312.623966][ C0] ? rtnl_is_locked+0x15/0x20
[ 7312.624212][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7312.624539][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7312.624895][ C0] ? mutex_is_locked+0x17/0x50
[ 7312.625142][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7312.625452][ C0] cleanup_net+0x4cf/0xb60
[ 7312.625684][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7312.625976][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7312.626233][ C0] ? lock_acquire+0x1c1/0x220
[ 7312.626481][ C0] ? process_one_work+0x714/0x1310
[ 7312.626750][ C0] process_one_work+0x78c/0x1310
[ 7312.627010][ C0] ? hlock_class+0x4e/0x130
[ 7312.627244][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7312.627526][ C0] ? assign_work+0x16c/0x240
[ 7312.627766][ C0] worker_thread+0x73d/0x1010
[ 7312.628014][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7312.628278][ C0] kthread+0x28f/0x360
[ 7312.628489][ C0] ? __pfx_kthread+0x10/0x10
[ 7312.628732][ C0] ret_from_fork+0x31/0x70
[ 7312.628962][ C0] ? __pfx_kthread+0x10/0x10
[ 7312.629200][ C0] ret_from_fork_asm+0x1b/0x30
[ 7312.629452][ C0]
[ 7340.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1673s! [kworker/u8:0:11]
[ 7340.598031][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7340.598958][ C0] irq event stamp: 6208419
[ 7340.599186][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7340.599666][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7340.600148][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7340.600626][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7340.601097][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7340.601580][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7340.602199][ C0] Workqueue: netns cleanup_net
[ 7340.602450][ C0] RIP: 0010:kasan_report+0xd6/0xf0
[ 7340.602716][ C0] Code: 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 45 31 e4 eb
[ 7340.603708][ C0] RSP: 0018:ffffc900000bf388 EFLAGS: 00000286
[ 7340.604022][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 7340.604425][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7340.604834][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7340.605238][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 7340.605643][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 7340.606049][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7340.606507][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7340.606847][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7340.607254][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7340.607661][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7340.608066][ C0] PKRU: 55555554
[ 7340.608250][ C0] Call Trace:
[ 7340.608427][ C0]
[ 7340.608578][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7340.608845][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7340.609094][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7340.609375][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7340.609657][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7340.609948][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7340.610218][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7340.610532][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7340.610798][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7340.611112][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7340.611411][ C0]
[ 7340.611565][ C0]
[ 7340.611718][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7340.612038][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7340.612335][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7340.612628][ C0] ? kasan_report+0xd6/0xf0
[ 7340.612865][ C0] kasan_check_range+0x39/0x1c0
[ 7340.613119][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7340.613405][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7340.613731][ C0] ? __pfx___schedule+0x10/0x10
[ 7340.613985][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7340.614240][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7340.614516][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7340.614806][ C0] ? lock_acquire+0x1c1/0x220
[ 7340.615048][ C0] ? __mutex_lock+0x33e/0xb10
[ 7340.615294][ C0] ? __mutex_lock+0x811/0xb10
[ 7340.615540][ C0] _raw_spin_lock+0x67/0x80
[ 7340.615773][ C0] __mutex_lock+0x33e/0xb10
[ 7340.616010][ C0] ? __lock_release+0x40f/0x880
[ 7340.616263][ C0] ? __pfx___lock_release+0x10/0x10
[ 7340.616535][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7340.616838][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7340.617101][ C0] ? __pfx___up_read+0x10/0x10
[ 7340.617349][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7340.617625][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7340.617899][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7340.618195][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7340.618498][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7340.618788][ C0] __tcf_action_put+0x3d/0xf0
[ 7340.619036][ C0] tcf_action_destroy+0x43/0x130
[ 7340.619293][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7340.619538][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7340.619864][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7340.620143][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7340.620449][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7340.620750][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7340.621041][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7340.621361][ C0] ? __lock_release+0x40f/0x880
[ 7340.621617][ C0] ? __mutex_lock+0x26e/0xb10
[ 7340.621866][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7340.622153][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7340.622479][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7340.622791][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7340.623044][ C0] tcf_chain_flush+0x1e0/0x320
[ 7340.623294][ C0] __tcf_block_put+0x113/0x270
[ 7340.623556][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7340.623867][ C0] __qdisc_destroy+0xee/0x340
[ 7340.624112][ C0] dev_shutdown+0x129/0x350
[ 7340.624349][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7340.624678][ C0] ? rtnl_is_locked+0x15/0x20
[ 7340.624925][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7340.625248][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7340.625599][ C0] ? mutex_is_locked+0x17/0x50
[ 7340.625848][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7340.626156][ C0] cleanup_net+0x4cf/0xb60
[ 7340.626387][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7340.626681][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7340.626939][ C0] ? lock_acquire+0x1c1/0x220
[ 7340.627179][ C0] ? process_one_work+0x714/0x1310
[ 7340.627449][ C0] process_one_work+0x78c/0x1310
[ 7340.627708][ C0] ? hlock_class+0x4e/0x130
[ 7340.627947][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7340.628225][ C0] ? assign_work+0x16c/0x240
[ 7340.628467][ C0] worker_thread+0x73d/0x1010
[ 7340.628716][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7340.628981][ C0] kthread+0x28f/0x360
[ 7340.629194][ C0] ? __pfx_kthread+0x10/0x10
[ 7340.629434][ C0] ret_from_fork+0x31/0x70
[ 7340.629666][ C0] ? __pfx_kthread+0x10/0x10
[ 7340.629906][ C0] ret_from_fork_asm+0x1b/0x30
[ 7340.630162][ C0]
[ 7349.612497][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1803627 jiffies s: 77393 root: 0x1/.
[ 7349.613161][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7349.613558][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7349.613838][ C0] NMI backtrace for cpu 0
[ 7349.613844][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7349.613848][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7349.613850][ C0] Workqueue: netns cleanup_net
[ 7349.613856][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 7349.613861][ 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
[ 7349.613864][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7349.613867][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7349.613868][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7349.613870][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7349.613872][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7349.613873][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7349.613875][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7349.613877][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7349.613881][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7349.613883][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7349.613884][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7349.613885][ C0] PKRU: 55555554
[ 7349.613886][ C0] Call Trace:
[ 7349.613889][ C0]
[ 7349.613893][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7349.613898][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7349.613902][ C0] ? nmi_handle+0x153/0x420
[ 7349.613908][ C0] ? default_do_nmi+0x41/0x100
[ 7349.613912][ C0] ? exc_nmi+0xf3/0x120
[ 7349.613914][ C0] ? end_repeat_nmi+0xf/0x60
[ 7349.613919][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7349.613924][ C0] ? kasan_report+0x19/0xf0
[ 7349.613927][ C0] ? kasan_report+0x19/0xf0
[ 7349.613930][ C0] ? kasan_report+0x19/0xf0
[ 7349.613932][ C0]
[ 7349.613933][ C0]
[ 7349.613937][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7349.613941][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7349.613945][ C0] ? __pfx___schedule+0x10/0x10
[ 7349.613950][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7349.613955][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7349.613957][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7349.613961][ C0] ? lock_acquire+0x1c1/0x220
[ 7349.613963][ C0] ? __mutex_lock+0x33e/0xb10
[ 7349.613967][ C0] ? __mutex_lock+0x811/0xb10
[ 7349.613969][ C0] _raw_spin_lock+0x67/0x80
[ 7349.613973][ C0] __mutex_lock+0x33e/0xb10
[ 7349.613976][ C0] ? __lock_release+0x40f/0x880
[ 7349.613979][ C0] ? __pfx___lock_release+0x10/0x10
[ 7349.613982][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7349.613987][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7349.613990][ C0] ? __pfx___up_read+0x10/0x10
[ 7349.613994][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7349.613997][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7349.614001][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7349.614007][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7349.614011][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7349.614015][ C0] __tcf_action_put+0x3d/0xf0
[ 7349.614020][ C0] tcf_action_destroy+0x43/0x130
[ 7349.614023][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7349.614026][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7349.614037][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7349.614046][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7349.614054][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7349.614063][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7349.614072][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7349.614080][ C0] ? __lock_release+0x40f/0x880
[ 7349.614083][ C0] ? __mutex_lock+0x26e/0xb10
[ 7349.614087][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7349.614097][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7349.614105][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7349.614110][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7349.614114][ C0] tcf_chain_flush+0x1e0/0x320
[ 7349.614118][ C0] __tcf_block_put+0x113/0x270
[ 7349.614122][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7349.614129][ C0] __qdisc_destroy+0xee/0x340
[ 7349.614133][ C0] dev_shutdown+0x129/0x350
[ 7349.614136][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7349.614140][ C0] ? rtnl_is_locked+0x15/0x20
[ 7349.614144][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7349.614147][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7349.614150][ C0] ? mutex_is_locked+0x17/0x50
[ 7349.614153][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7349.614158][ C0] cleanup_net+0x4cf/0xb60
[ 7349.614161][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7349.614163][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7349.614167][ C0] ? lock_acquire+0x1c1/0x220
[ 7349.614169][ C0] ? process_one_work+0x714/0x1310
[ 7349.614173][ C0] process_one_work+0x78c/0x1310
[ 7349.614178][ C0] ? hlock_class+0x4e/0x130
[ 7349.614181][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7349.614185][ C0] ? assign_work+0x16c/0x240
[ 7349.614189][ C0] worker_thread+0x73d/0x1010
[ 7349.614194][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7349.614196][ C0] kthread+0x28f/0x360
[ 7349.614199][ C0] ? __pfx_kthread+0x10/0x10
[ 7349.614202][ C0] ret_from_fork+0x31/0x70
[ 7349.614205][ C0] ? __pfx_kthread+0x10/0x10
[ 7349.614207][ C0] ret_from_fork_asm+0x1b/0x30
[ 7349.614214][ C0]
[ 7366.487483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7366.487856][ C0] rcu: 0-....: (1818166 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=455021
[ 7366.488424][ C0] rcu: (t=1820774 jiffies g=2451281 q=5643 ncpus=4)
[ 7366.488768][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7366.489246][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7366.489865][ C0] Workqueue: netns cleanup_net
[ 7366.490119][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7366.490451][ 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
[ 7366.491438][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7366.491765][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7366.492170][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7366.492578][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7366.492984][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7366.493395][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7366.493804][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7366.494261][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7366.494602][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7366.495012][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7366.495418][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7366.495829][ C0] PKRU: 55555554
[ 7366.496013][ C0] Call Trace:
[ 7366.496189][ C0]
[ 7366.496340][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7366.496624][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7366.496882][ C0] ? check_cpu_stall+0x284/0x500
[ 7366.497138][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7366.497431][ C0] ? rcu_pending+0x92/0x360
[ 7366.497668][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7366.497944][ C0] ? update_process_times+0xb9/0x110
[ 7366.498220][ C0] ? tick_sched_handle+0x67/0x130
[ 7366.498482][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7366.498772][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7366.499020][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7366.499340][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7366.499619][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7366.499917][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7366.500189][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7366.500502][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7366.500771][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7366.501085][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7366.501387][ C0]
[ 7366.501543][ C0]
[ 7366.501698][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7366.502021][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7366.502321][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7366.502627][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7366.502946][ C0] ? __pfx___schedule+0x10/0x10
[ 7366.503201][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7366.503463][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7366.503742][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7366.504031][ C0] ? lock_acquire+0x1c1/0x220
[ 7366.504275][ C0] ? __mutex_lock+0x33e/0xb10
[ 7366.504521][ C0] ? __mutex_lock+0x811/0xb10
[ 7366.504766][ C0] _raw_spin_lock+0x67/0x80
[ 7366.505001][ C0] __mutex_lock+0x33e/0xb10
[ 7366.505239][ C0] ? __lock_release+0x40f/0x880
[ 7366.505492][ C0] ? __pfx___lock_release+0x10/0x10
[ 7366.505762][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7366.506063][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7366.506324][ C0] ? __pfx___up_read+0x10/0x10
[ 7366.506574][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7366.506848][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7366.507124][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7366.507422][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7366.507726][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7366.508017][ C0] __tcf_action_put+0x3d/0xf0
[ 7366.508265][ C0] tcf_action_destroy+0x43/0x130
[ 7366.508525][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7366.508770][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7366.509096][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7366.509377][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7366.509683][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7366.509987][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7366.510279][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7366.510599][ C0] ? __lock_release+0x40f/0x880
[ 7366.510855][ C0] ? __mutex_lock+0x26e/0xb10
[ 7366.511100][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7366.511389][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7366.511706][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7366.512017][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7366.512271][ C0] tcf_chain_flush+0x1e0/0x320
[ 7366.512521][ C0] __tcf_block_put+0x113/0x270
[ 7366.512773][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7366.513085][ C0] __qdisc_destroy+0xee/0x340
[ 7366.513333][ C0] dev_shutdown+0x129/0x350
[ 7366.513571][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7366.513901][ C0] ? rtnl_is_locked+0x15/0x20
[ 7366.514147][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7366.514470][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7366.514822][ C0] ? mutex_is_locked+0x17/0x50
[ 7366.515070][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7366.515378][ C0] cleanup_net+0x4cf/0xb60
[ 7366.515612][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7366.515902][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7366.516161][ C0] ? lock_acquire+0x1c1/0x220
[ 7366.516404][ C0] ? process_one_work+0x714/0x1310
[ 7366.516672][ C0] process_one_work+0x78c/0x1310
[ 7366.516931][ C0] ? hlock_class+0x4e/0x130
[ 7366.517168][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7366.517447][ C0] ? assign_work+0x16c/0x240
[ 7366.517689][ C0] worker_thread+0x73d/0x1010
[ 7366.517935][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7366.518200][ C0] kthread+0x28f/0x360
[ 7366.518412][ C0] ? __pfx_kthread+0x10/0x10
[ 7366.518654][ C0] ret_from_fork+0x31/0x70
[ 7366.518885][ C0] ? __pfx_kthread+0x10/0x10
[ 7366.519125][ C0] ret_from_fork_asm+0x1b/0x30
[ 7366.519378][ C0]
[ 7392.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1721s! [kworker/u8:0:11]
[ 7392.598038][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7392.598968][ C0] irq event stamp: 6208419
[ 7392.599194][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7392.599679][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7392.600160][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7392.600639][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7392.601115][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7392.601597][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7392.602219][ C0] Workqueue: netns cleanup_net
[ 7392.602467][ C0] RIP: 0010:kasan_report+0x22/0xf0
[ 7392.602733][ 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
[ 7392.603728][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7392.604038][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7392.604445][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7392.604851][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7392.605253][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7392.605657][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 7392.606063][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7392.606519][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7392.606857][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7392.607263][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7392.607671][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7392.608077][ C0] PKRU: 55555554
[ 7392.608261][ C0] Call Trace:
[ 7392.608434][ C0]
[ 7392.608588][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7392.608858][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7392.609104][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7392.609388][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7392.609667][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7392.609959][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7392.610229][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7392.610540][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7392.610807][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7392.611122][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7392.611424][ C0]
[ 7392.611576][ C0]
[ 7392.611730][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7392.612051][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7392.612351][ C0] ? kasan_report+0x22/0xf0
[ 7392.612589][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7392.612888][ C0] ? kasan_report+0xd6/0xf0
[ 7392.613125][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7392.613419][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7392.613738][ C0] ? __pfx___schedule+0x10/0x10
[ 7392.613991][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7392.614245][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7392.614524][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7392.614816][ C0] ? lock_acquire+0x1c1/0x220
[ 7392.615058][ C0] ? __mutex_lock+0x33e/0xb10
[ 7392.615302][ C0] ? __mutex_lock+0x811/0xb10
[ 7392.615556][ C0] _raw_spin_lock+0x67/0x80
[ 7392.615792][ C0] __mutex_lock+0x33e/0xb10
[ 7392.616026][ C0] ? __lock_release+0x40f/0x880
[ 7392.616279][ C0] ? __pfx___lock_release+0x10/0x10
[ 7392.616551][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7392.616856][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7392.617117][ C0] ? __pfx___up_read+0x10/0x10
[ 7392.617366][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7392.617640][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7392.617915][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7392.618214][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7392.618516][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7392.618809][ C0] __tcf_action_put+0x3d/0xf0
[ 7392.619053][ C0] tcf_action_destroy+0x43/0x130
[ 7392.619310][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7392.619558][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7392.619887][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7392.620167][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7392.620475][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7392.620775][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7392.621074][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7392.621392][ C0] ? __lock_release+0x40f/0x880
[ 7392.621646][ C0] ? __mutex_lock+0x26e/0xb10
[ 7392.621894][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7392.622180][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7392.622498][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7392.622812][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7392.623068][ C0] tcf_chain_flush+0x1e0/0x320
[ 7392.623322][ C0] __tcf_block_put+0x113/0x270
[ 7392.623572][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7392.623884][ C0] __qdisc_destroy+0xee/0x340
[ 7392.624130][ C0] dev_shutdown+0x129/0x350
[ 7392.624367][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7392.624697][ C0] ? rtnl_is_locked+0x15/0x20
[ 7392.624944][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7392.625265][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7392.625614][ C0] ? mutex_is_locked+0x17/0x50
[ 7392.625862][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7392.626172][ C0] cleanup_net+0x4cf/0xb60
[ 7392.626404][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7392.626696][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7392.626953][ C0] ? lock_acquire+0x1c1/0x220
[ 7392.627198][ C0] ? process_one_work+0x714/0x1310
[ 7392.627466][ C0] process_one_work+0x78c/0x1310
[ 7392.627725][ C0] ? hlock_class+0x4e/0x130
[ 7392.627961][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7392.628240][ C0] ? assign_work+0x16c/0x240
[ 7392.628481][ C0] worker_thread+0x73d/0x1010
[ 7392.628730][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7392.628995][ C0] kthread+0x28f/0x360
[ 7392.629207][ C0] ? __pfx_kthread+0x10/0x10
[ 7392.629448][ C0] ret_from_fork+0x31/0x70
[ 7392.629681][ C0] ? __pfx_kthread+0x10/0x10
[ 7392.629923][ C0] ret_from_fork_asm+0x1b/0x30
[ 7392.630178][ C0]
[ 7420.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1747s! [kworker/u8:0:11]
[ 7420.598032][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7420.598960][ C0] irq event stamp: 6208419
[ 7420.599185][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7420.599674][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7420.600155][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7420.600634][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7420.601107][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7420.601588][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7420.602206][ C0] Workqueue: netns cleanup_net
[ 7420.602456][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 7420.602723][ 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
[ 7420.603718][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7420.604029][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7420.604436][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7420.604846][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7420.605248][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7420.605651][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7420.606056][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7420.606515][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7420.606853][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7420.607258][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7420.607663][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7420.608068][ C0] PKRU: 55555554
[ 7420.608251][ C0] Call Trace:
[ 7420.608424][ C0]
[ 7420.608576][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7420.608844][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7420.609089][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7420.609372][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7420.609649][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7420.609941][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7420.610211][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7420.610520][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7420.610785][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7420.611099][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7420.611400][ C0]
[ 7420.611552][ C0]
[ 7420.611709][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7420.612027][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7420.612322][ C0] ? kasan_report+0x19/0xf0
[ 7420.612560][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7420.612859][ C0] kasan_check_range+0x39/0x1c0
[ 7420.613118][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7420.613402][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7420.613720][ C0] ? __pfx___schedule+0x10/0x10
[ 7420.613974][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7420.614226][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7420.614507][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7420.614797][ C0] ? lock_acquire+0x1c1/0x220
[ 7420.615037][ C0] ? __mutex_lock+0x33e/0xb10
[ 7420.615279][ C0] ? __mutex_lock+0x811/0xb10
[ 7420.615523][ C0] _raw_spin_lock+0x67/0x80
[ 7420.615758][ C0] __mutex_lock+0x33e/0xb10
[ 7420.615990][ C0] ? __lock_release+0x40f/0x880
[ 7420.616241][ C0] ? __pfx___lock_release+0x10/0x10
[ 7420.616511][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7420.616813][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7420.617072][ C0] ? __pfx___up_read+0x10/0x10
[ 7420.617320][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7420.617592][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7420.617864][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7420.618161][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7420.618459][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7420.618751][ C0] __tcf_action_put+0x3d/0xf0
[ 7420.618994][ C0] tcf_action_destroy+0x43/0x130
[ 7420.619253][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7420.619498][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7420.619822][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7420.620098][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7420.620403][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7420.620703][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7420.620996][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7420.621310][ C0] ? __lock_release+0x40f/0x880
[ 7420.621562][ C0] ? __mutex_lock+0x26e/0xb10
[ 7420.621806][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7420.622091][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7420.622404][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7420.622715][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7420.622967][ C0] tcf_chain_flush+0x1e0/0x320
[ 7420.623219][ C0] __tcf_block_put+0x113/0x270
[ 7420.623469][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7420.623780][ C0] __qdisc_destroy+0xee/0x340
[ 7420.624023][ C0] dev_shutdown+0x129/0x350
[ 7420.624257][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7420.624584][ C0] ? rtnl_is_locked+0x15/0x20
[ 7420.624827][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7420.625146][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7420.625493][ C0] ? mutex_is_locked+0x17/0x50
[ 7420.625738][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7420.626046][ C0] cleanup_net+0x4cf/0xb60
[ 7420.626280][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7420.626573][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7420.626828][ C0] ? lock_acquire+0x1c1/0x220
[ 7420.627070][ C0] ? process_one_work+0x714/0x1310
[ 7420.627335][ C0] process_one_work+0x78c/0x1310
[ 7420.627602][ C0] ? hlock_class+0x4e/0x130
[ 7420.627835][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7420.628113][ C0] ? assign_work+0x16c/0x240
[ 7420.628351][ C0] worker_thread+0x73d/0x1010
[ 7420.628599][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7420.628862][ C0] kthread+0x28f/0x360
[ 7420.629072][ C0] ? __pfx_kthread+0x10/0x10
[ 7420.629311][ C0] ret_from_fork+0x31/0x70
[ 7420.629544][ C0] ? __pfx_kthread+0x10/0x10
[ 7420.629781][ C0] ret_from_fork_asm+0x1b/0x30
[ 7420.630033][ C0]
[ 7444.519483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7444.519861][ C0] rcu: 0-....: (1896105 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=474522
[ 7444.520429][ C0] rcu: (t=1898806 jiffies g=2451281 q=5646 ncpus=4)
[ 7444.520772][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7444.521248][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7444.521869][ C0] Workqueue: netns cleanup_net
[ 7444.522120][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 7444.522385][ 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
[ 7444.523370][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7444.523684][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7444.524088][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7444.524491][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7444.524900][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 7444.525305][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7444.525709][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7444.526161][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7444.526496][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7444.526905][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7444.527309][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7444.527712][ C0] PKRU: 55555554
[ 7444.527895][ C0] Call Trace:
[ 7444.528069][ C0]
[ 7444.528219][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7444.528496][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7444.528752][ C0] ? check_cpu_stall+0x284/0x500
[ 7444.529006][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7444.529296][ C0] ? rcu_pending+0x92/0x360
[ 7444.529532][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7444.529803][ C0] ? update_process_times+0xb9/0x110
[ 7444.530076][ C0] ? tick_sched_handle+0x67/0x130
[ 7444.530336][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7444.530626][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7444.530872][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7444.531190][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7444.531465][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7444.531757][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7444.532027][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7444.532347][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7444.532613][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7444.532932][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7444.533234][ C0]
[ 7444.533386][ C0]
[ 7444.533540][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7444.533859][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7444.534163][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7444.534465][ C0] ? kasan_report+0xd2/0xf0
[ 7444.534703][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7444.534995][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7444.535313][ C0] ? __pfx___schedule+0x10/0x10
[ 7444.535566][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7444.535820][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7444.536102][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7444.536391][ C0] ? lock_acquire+0x1c1/0x220
[ 7444.536635][ C0] ? __mutex_lock+0x33e/0xb10
[ 7444.536878][ C0] ? __mutex_lock+0x811/0xb10
[ 7444.537119][ C0] _raw_spin_lock+0x67/0x80
[ 7444.537355][ C0] __mutex_lock+0x33e/0xb10
[ 7444.537593][ C0] ? __lock_release+0x40f/0x880
[ 7444.537843][ C0] ? __pfx___lock_release+0x10/0x10
[ 7444.538113][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7444.538414][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7444.538676][ C0] ? __pfx___up_read+0x10/0x10
[ 7444.538925][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7444.539197][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7444.539471][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7444.539773][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7444.540072][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7444.540363][ C0] __tcf_action_put+0x3d/0xf0
[ 7444.540610][ C0] tcf_action_destroy+0x43/0x130
[ 7444.540865][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7444.541107][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7444.541432][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7444.541711][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7444.542019][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7444.542319][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7444.542612][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7444.542932][ C0] ? __lock_release+0x40f/0x880
[ 7444.543185][ C0] ? __mutex_lock+0x26e/0xb10
[ 7444.543427][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7444.543718][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7444.544029][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7444.544340][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7444.544595][ C0] tcf_chain_flush+0x1e0/0x320
[ 7444.544845][ C0] __tcf_block_put+0x113/0x270
[ 7444.545094][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7444.545402][ C0] __qdisc_destroy+0xee/0x340
[ 7444.545646][ C0] dev_shutdown+0x129/0x350
[ 7444.545882][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7444.546211][ C0] ? rtnl_is_locked+0x15/0x20
[ 7444.546453][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7444.546780][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7444.547129][ C0] ? mutex_is_locked+0x17/0x50
[ 7444.547376][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7444.547682][ C0] cleanup_net+0x4cf/0xb60
[ 7444.547914][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7444.548204][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7444.548460][ C0] ? lock_acquire+0x1c1/0x220
[ 7444.548704][ C0] ? process_one_work+0x714/0x1310
[ 7444.548969][ C0] process_one_work+0x78c/0x1310
[ 7444.549227][ C0] ? hlock_class+0x4e/0x130
[ 7444.549464][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7444.549745][ C0] ? assign_work+0x16c/0x240
[ 7444.549982][ C0] worker_thread+0x73d/0x1010
[ 7444.550230][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7444.550494][ C0] kthread+0x28f/0x360
[ 7444.550708][ C0] ? __pfx_kthread+0x10/0x10
[ 7444.550945][ C0] ret_from_fork+0x31/0x70
[ 7444.551178][ C0] ? __pfx_kthread+0x10/0x10
[ 7444.551417][ C0] ret_from_fork_asm+0x1b/0x30
[ 7444.551670][ C0]
[ 7447.917174][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1901931 jiffies s: 77393 root: 0x1/.
[ 7447.917849][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7447.918217][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7447.918504][ C0] NMI backtrace for cpu 0
[ 7447.918511][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7447.918515][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7447.918519][ C0] Workqueue: netns cleanup_net
[ 7447.918526][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 7447.918532][ 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
[ 7447.918535][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7447.918537][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7447.918539][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7447.918541][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7447.918542][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7447.918544][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7447.918546][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7447.918548][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7447.918552][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7447.918554][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7447.918555][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7447.918556][ C0] PKRU: 55555554
[ 7447.918557][ C0] Call Trace:
[ 7447.918561][ C0]
[ 7447.918564][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7447.918569][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7447.918573][ C0] ? nmi_handle+0x153/0x420
[ 7447.918578][ C0] ? default_do_nmi+0x41/0x100
[ 7447.918582][ C0] ? exc_nmi+0xf3/0x120
[ 7447.918585][ C0] ? end_repeat_nmi+0xf/0x60
[ 7447.918590][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7447.918594][ C0] ? kasan_report+0x19/0xf0
[ 7447.918597][ C0] ? kasan_report+0x19/0xf0
[ 7447.918600][ C0] ? kasan_report+0x19/0xf0
[ 7447.918603][ C0]
[ 7447.918604][ C0]
[ 7447.918608][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7447.918612][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7447.918616][ C0] ? __pfx___schedule+0x10/0x10
[ 7447.918620][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7447.918626][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7447.918629][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7447.918632][ C0] ? lock_acquire+0x1c1/0x220
[ 7447.918635][ C0] ? __mutex_lock+0x33e/0xb10
[ 7447.918639][ C0] ? __mutex_lock+0x811/0xb10
[ 7447.918641][ C0] _raw_spin_lock+0x67/0x80
[ 7447.918644][ C0] __mutex_lock+0x33e/0xb10
[ 7447.918647][ C0] ? __lock_release+0x40f/0x880
[ 7447.918651][ C0] ? __pfx___lock_release+0x10/0x10
[ 7447.918653][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7447.918658][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7447.918662][ C0] ? __pfx___up_read+0x10/0x10
[ 7447.918665][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7447.918668][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7447.918672][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7447.918680][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7447.918683][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7447.918687][ C0] __tcf_action_put+0x3d/0xf0
[ 7447.918693][ C0] tcf_action_destroy+0x43/0x130
[ 7447.918697][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7447.918700][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7447.918711][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7447.918720][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7447.918728][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7447.918737][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7447.918746][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7447.918754][ C0] ? __lock_release+0x40f/0x880
[ 7447.918758][ C0] ? __mutex_lock+0x26e/0xb10
[ 7447.918762][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7447.918771][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7447.918779][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7447.918784][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7447.918788][ C0] tcf_chain_flush+0x1e0/0x320
[ 7447.918792][ C0] __tcf_block_put+0x113/0x270
[ 7447.918796][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7447.918804][ C0] __qdisc_destroy+0xee/0x340
[ 7447.918808][ C0] dev_shutdown+0x129/0x350
[ 7447.918812][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7447.918816][ C0] ? rtnl_is_locked+0x15/0x20
[ 7447.918820][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7447.918822][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7447.918826][ C0] ? mutex_is_locked+0x17/0x50
[ 7447.918828][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7447.918834][ C0] cleanup_net+0x4cf/0xb60
[ 7447.918837][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7447.918840][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7447.918843][ C0] ? lock_acquire+0x1c1/0x220
[ 7447.918845][ C0] ? process_one_work+0x714/0x1310
[ 7447.918850][ C0] process_one_work+0x78c/0x1310
[ 7447.918854][ C0] ? hlock_class+0x4e/0x130
[ 7447.918858][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7447.918862][ C0] ? assign_work+0x16c/0x240
[ 7447.918866][ C0] worker_thread+0x73d/0x1010
[ 7447.918871][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7447.918874][ C0] kthread+0x28f/0x360
[ 7447.918876][ C0] ? __pfx_kthread+0x10/0x10
[ 7447.918879][ C0] ret_from_fork+0x31/0x70
[ 7447.918881][ C0] ? __pfx_kthread+0x10/0x10
[ 7447.918883][ C0] ret_from_fork_asm+0x1b/0x30
[ 7447.918891][ C0]
[ 7472.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1796s! [kworker/u8:0:11]
[ 7472.598033][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7472.598964][ C0] irq event stamp: 6208419
[ 7472.599194][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7472.599681][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7472.600165][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7472.600650][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7472.601124][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7472.601607][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7472.602235][ C0] Workqueue: netns cleanup_net
[ 7472.602487][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7472.602823][ 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
[ 7472.603813][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7472.604128][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7472.604535][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7472.604940][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7472.605352][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7472.605761][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7472.606166][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7472.606623][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7472.606964][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7472.607373][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7472.607784][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7472.608189][ C0] PKRU: 55555554
[ 7472.608373][ C0] Call Trace:
[ 7472.608550][ C0]
[ 7472.608701][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7472.608971][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7472.609220][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7472.609503][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7472.609783][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7472.610077][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7472.610347][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7472.610661][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7472.610929][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7472.611244][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7472.611544][ C0]
[ 7472.611699][ C0]
[ 7472.611851][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7472.612173][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7472.612475][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7472.612785][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7472.613105][ C0] ? __pfx___schedule+0x10/0x10
[ 7472.613360][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7472.613617][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7472.613896][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7472.614187][ C0] ? lock_acquire+0x1c1/0x220
[ 7472.614429][ C0] ? __mutex_lock+0x33e/0xb10
[ 7472.614678][ C0] ? __mutex_lock+0x811/0xb10
[ 7472.614922][ C0] _raw_spin_lock+0x67/0x80
[ 7472.615158][ C0] __mutex_lock+0x33e/0xb10
[ 7472.615394][ C0] ? __lock_release+0x40f/0x880
[ 7472.615647][ C0] ? __pfx___lock_release+0x10/0x10
[ 7472.615915][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7472.616219][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7472.616480][ C0] ? __pfx___up_read+0x10/0x10
[ 7472.616733][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7472.617006][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7472.617282][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7472.617579][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7472.617881][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7472.618172][ C0] __tcf_action_put+0x3d/0xf0
[ 7472.618417][ C0] tcf_action_destroy+0x43/0x130
[ 7472.618677][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7472.618922][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7472.619250][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7472.619532][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7472.619839][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7472.620139][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7472.620432][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7472.620751][ C0] ? __lock_release+0x40f/0x880
[ 7472.621005][ C0] ? __mutex_lock+0x26e/0xb10
[ 7472.621250][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7472.621539][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7472.621855][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7472.622166][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7472.622420][ C0] tcf_chain_flush+0x1e0/0x320
[ 7472.622673][ C0] __tcf_block_put+0x113/0x270
[ 7472.622927][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7472.623237][ C0] __qdisc_destroy+0xee/0x340
[ 7472.623483][ C0] dev_shutdown+0x129/0x350
[ 7472.623720][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7472.624049][ C0] ? rtnl_is_locked+0x15/0x20
[ 7472.624295][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7472.624618][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7472.624965][ C0] ? mutex_is_locked+0x17/0x50
[ 7472.625213][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7472.625523][ C0] cleanup_net+0x4cf/0xb60
[ 7472.625752][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7472.626044][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7472.626301][ C0] ? lock_acquire+0x1c1/0x220
[ 7472.626544][ C0] ? process_one_work+0x714/0x1310
[ 7472.626814][ C0] process_one_work+0x78c/0x1310
[ 7472.627072][ C0] ? hlock_class+0x4e/0x130
[ 7472.627308][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7472.627588][ C0] ? assign_work+0x16c/0x240
[ 7472.627830][ C0] worker_thread+0x73d/0x1010
[ 7472.628076][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7472.628341][ C0] kthread+0x28f/0x360
[ 7472.628555][ C0] ? __pfx_kthread+0x10/0x10
[ 7472.628795][ C0] ret_from_fork+0x31/0x70
[ 7472.629024][ C0] ? __pfx_kthread+0x10/0x10
[ 7472.629264][ C0] ret_from_fork_asm+0x1b/0x30
[ 7472.629518][ C0]
[ 7500.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1822s! [kworker/u8:0:11]
[ 7500.598042][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7500.598974][ C0] irq event stamp: 6208419
[ 7500.599202][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7500.599687][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7500.600174][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7500.600656][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7500.601132][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7500.601617][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7500.602239][ C0] Workqueue: netns cleanup_net
[ 7500.602492][ C0] RIP: 0010:report_enabled+0xa/0x30
[ 7500.602767][ C0] Code: ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 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
[ 7500.603766][ C0] RSP: 0018:ffffc900000bf330 EFLAGS: 00000247
[ 7500.604079][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7500.604489][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7500.604899][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7500.605308][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7500.605717][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7500.606125][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7500.606584][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7500.606925][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7500.607336][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7500.607747][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7500.608156][ C0] PKRU: 55555554
[ 7500.608341][ C0] Call Trace:
[ 7500.608517][ C0]
[ 7500.608671][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7500.608941][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7500.609190][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7500.609475][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7500.609757][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7500.610050][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7500.610322][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7500.610636][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7500.610905][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7500.611222][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7500.611528][ C0]
[ 7500.611682][ C0]
[ 7500.611836][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7500.612156][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7500.612461][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7500.612773][ C0] ? report_enabled+0xa/0x30
[ 7500.613012][ C0] kasan_report+0x41/0xf0
[ 7500.613242][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7500.613535][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7500.613856][ C0] ? __pfx___schedule+0x10/0x10
[ 7500.614112][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7500.614367][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7500.614647][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7500.614940][ C0] ? lock_acquire+0x1c1/0x220
[ 7500.615184][ C0] ? __mutex_lock+0x33e/0xb10
[ 7500.615433][ C0] ? __mutex_lock+0x811/0xb10
[ 7500.615681][ C0] _raw_spin_lock+0x67/0x80
[ 7500.615915][ C0] __mutex_lock+0x33e/0xb10
[ 7500.616155][ C0] ? __lock_release+0x40f/0x880
[ 7500.616408][ C0] ? __pfx___lock_release+0x10/0x10
[ 7500.616679][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7500.616984][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7500.617248][ C0] ? __pfx___up_read+0x10/0x10
[ 7500.617499][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7500.617774][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7500.618052][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7500.618349][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7500.618655][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7500.618946][ C0] __tcf_action_put+0x3d/0xf0
[ 7500.619196][ C0] tcf_action_destroy+0x43/0x130
[ 7500.619455][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7500.619703][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7500.620031][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7500.620313][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7500.620621][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7500.620923][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7500.621216][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7500.621537][ C0] ? __lock_release+0x40f/0x880
[ 7500.621792][ C0] ? __mutex_lock+0x26e/0xb10
[ 7500.622039][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7500.622329][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7500.622650][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7500.622962][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7500.623217][ C0] tcf_chain_flush+0x1e0/0x320
[ 7500.623469][ C0] __tcf_block_put+0x113/0x270
[ 7500.623724][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7500.624036][ C0] __qdisc_destroy+0xee/0x340
[ 7500.624282][ C0] dev_shutdown+0x129/0x350
[ 7500.624520][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7500.624849][ C0] ? rtnl_is_locked+0x15/0x20
[ 7500.625097][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7500.625421][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7500.625772][ C0] ? mutex_is_locked+0x17/0x50
[ 7500.626022][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7500.626333][ C0] cleanup_net+0x4cf/0xb60
[ 7500.626565][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7500.626859][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7500.627117][ C0] ? lock_acquire+0x1c1/0x220
[ 7500.627359][ C0] ? process_one_work+0x714/0x1310
[ 7500.627631][ C0] process_one_work+0x78c/0x1310
[ 7500.627891][ C0] ? hlock_class+0x4e/0x130
[ 7500.628130][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7500.628412][ C0] ? assign_work+0x16c/0x240
[ 7500.628655][ C0] worker_thread+0x73d/0x1010
[ 7500.628903][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7500.629170][ C0] kthread+0x28f/0x360
[ 7500.629384][ C0] ? __pfx_kthread+0x10/0x10
[ 7500.629628][ C0] ret_from_fork+0x31/0x70
[ 7500.629859][ C0] ? __pfx_kthread+0x10/0x10
[ 7500.630100][ C0] ret_from_fork_asm+0x1b/0x30
[ 7500.630354][ C0]
[ 7522.552483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7522.552859][ C0] rcu: 0-....: (1974018 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=494023
[ 7522.553427][ C0] rcu: (t=1976839 jiffies g=2451281 q=5649 ncpus=4)
[ 7522.553772][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7522.554252][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7522.554885][ C0] Workqueue: netns cleanup_net
[ 7522.555136][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 7522.555406][ 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
[ 7522.556403][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7522.556718][ C0] RAX: 0000000000000001 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7522.557128][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7522.557536][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7522.557941][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7522.558351][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7522.558763][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7522.559218][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7522.559559][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7522.559968][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7522.560381][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7522.560788][ C0] PKRU: 55555554
[ 7522.560973][ C0] Call Trace:
[ 7522.561144][ C0]
[ 7522.561299][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7522.561577][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7522.561835][ C0] ? check_cpu_stall+0x284/0x500
[ 7522.562092][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7522.562382][ C0] ? rcu_pending+0x92/0x360
[ 7522.562624][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7522.562898][ C0] ? update_process_times+0xb9/0x110
[ 7522.563172][ C0] ? tick_sched_handle+0x67/0x130
[ 7522.563433][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7522.563726][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7522.563972][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7522.564289][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7522.564570][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7522.564863][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7522.565131][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7522.565443][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7522.565710][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7522.566027][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7522.566328][ C0]
[ 7522.566482][ C0]
[ 7522.566635][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7522.566957][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7522.567252][ C0] ? kasan_report+0x19/0xf0
[ 7522.567491][ C0] kasan_check_range+0x39/0x1c0
[ 7522.567747][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7522.568033][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7522.568351][ C0] ? __pfx___schedule+0x10/0x10
[ 7522.568608][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7522.568864][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7522.569145][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7522.569437][ C0] ? lock_acquire+0x1c1/0x220
[ 7522.569681][ C0] ? __mutex_lock+0x33e/0xb10
[ 7522.569925][ C0] ? __mutex_lock+0x811/0xb10
[ 7522.570170][ C0] _raw_spin_lock+0x67/0x80
[ 7522.570406][ C0] __mutex_lock+0x33e/0xb10
[ 7522.570642][ C0] ? __lock_release+0x40f/0x880
[ 7522.570894][ C0] ? __pfx___lock_release+0x10/0x10
[ 7522.571162][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7522.571466][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7522.571728][ C0] ? __pfx___up_read+0x10/0x10
[ 7522.571978][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7522.572251][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7522.572528][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7522.572828][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7522.573128][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7522.573421][ C0] __tcf_action_put+0x3d/0xf0
[ 7522.573667][ C0] tcf_action_destroy+0x43/0x130
[ 7522.573927][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7522.574172][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7522.574500][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7522.574778][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7522.575085][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7522.575383][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7522.575678][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7522.575996][ C0] ? __lock_release+0x40f/0x880
[ 7522.576248][ C0] ? __mutex_lock+0x26e/0xb10
[ 7522.576495][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7522.576782][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7522.577098][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7522.577409][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7522.577666][ C0] tcf_chain_flush+0x1e0/0x320
[ 7522.577915][ C0] __tcf_block_put+0x113/0x270
[ 7522.578165][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7522.578477][ C0] __qdisc_destroy+0xee/0x340
[ 7522.578723][ C0] dev_shutdown+0x129/0x350
[ 7522.578958][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7522.579286][ C0] ? rtnl_is_locked+0x15/0x20
[ 7522.579531][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7522.579854][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7522.580201][ C0] ? mutex_is_locked+0x17/0x50
[ 7522.580449][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7522.580757][ C0] cleanup_net+0x4cf/0xb60
[ 7522.580989][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7522.581281][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7522.581540][ C0] ? lock_acquire+0x1c1/0x220
[ 7522.581785][ C0] ? process_one_work+0x714/0x1310
[ 7522.582057][ C0] process_one_work+0x78c/0x1310
[ 7522.582315][ C0] ? hlock_class+0x4e/0x130
[ 7522.582558][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7522.582839][ C0] ? assign_work+0x16c/0x240
[ 7522.583078][ C0] worker_thread+0x73d/0x1010
[ 7522.583325][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7522.583590][ C0] kthread+0x28f/0x360
[ 7522.583802][ C0] ? __pfx_kthread+0x10/0x10
[ 7522.584043][ C0] ret_from_fork+0x31/0x70
[ 7522.584275][ C0] ? __pfx_kthread+0x10/0x10
[ 7522.584514][ C0] ret_from_fork_asm+0x1b/0x30
[ 7522.584769][ C0]
[ 7546.220512][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2000235 jiffies s: 77393 root: 0x1/.
[ 7546.221201][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7546.221589][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7546.221885][ C0] NMI backtrace for cpu 0
[ 7546.221892][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7546.221897][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7546.221901][ C0] Workqueue: netns cleanup_net
[ 7546.221909][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 7546.221914][ 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
[ 7546.221918][ C0] RSP: 0018:ffffc900000bf330 EFLAGS: 00000247
[ 7546.221921][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7546.221923][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7546.221925][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7546.221927][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7546.221928][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7546.221930][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7546.221933][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7546.221937][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7546.221939][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7546.221940][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7546.221942][ C0] PKRU: 55555554
[ 7546.221943][ C0] Call Trace:
[ 7546.221946][ C0]
[ 7546.221950][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7546.221956][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7546.221960][ C0] ? nmi_handle+0x153/0x420
[ 7546.221965][ C0] ? default_do_nmi+0x41/0x100
[ 7546.221971][ C0] ? exc_nmi+0xf3/0x120
[ 7546.221973][ C0] ? end_repeat_nmi+0xf/0x60
[ 7546.221977][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7546.221983][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7546.221986][ C0] ? report_enabled+0x19/0x30
[ 7546.221990][ C0] ? report_enabled+0x19/0x30
[ 7546.221993][ C0] ? report_enabled+0x19/0x30
[ 7546.221996][ C0]
[ 7546.221997][ C0]
[ 7546.221998][ C0] kasan_report+0x41/0xf0
[ 7546.222003][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7546.222007][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7546.222012][ C0] ? __pfx___schedule+0x10/0x10
[ 7546.222017][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7546.222022][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7546.222025][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7546.222028][ C0] ? lock_acquire+0x1c1/0x220
[ 7546.222030][ C0] ? __mutex_lock+0x33e/0xb10
[ 7546.222034][ C0] ? __mutex_lock+0x811/0xb10
[ 7546.222037][ C0] _raw_spin_lock+0x67/0x80
[ 7546.222041][ C0] __mutex_lock+0x33e/0xb10
[ 7546.222044][ C0] ? __lock_release+0x40f/0x880
[ 7546.222047][ C0] ? __pfx___lock_release+0x10/0x10
[ 7546.222049][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7546.222055][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7546.222058][ C0] ? __pfx___up_read+0x10/0x10
[ 7546.222061][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7546.222064][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7546.222069][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7546.222078][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7546.222081][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7546.222086][ C0] __tcf_action_put+0x3d/0xf0
[ 7546.222091][ C0] tcf_action_destroy+0x43/0x130
[ 7546.222094][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7546.222098][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7546.222109][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7546.222118][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7546.222126][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7546.222136][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7546.222145][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7546.222153][ C0] ? __lock_release+0x40f/0x880
[ 7546.222157][ C0] ? __mutex_lock+0x26e/0xb10
[ 7546.222161][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7546.222171][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7546.222179][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7546.222184][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7546.222188][ C0] tcf_chain_flush+0x1e0/0x320
[ 7546.222192][ C0] __tcf_block_put+0x113/0x270
[ 7546.222197][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7546.222206][ C0] __qdisc_destroy+0xee/0x340
[ 7546.222209][ C0] dev_shutdown+0x129/0x350
[ 7546.222213][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7546.222217][ C0] ? rtnl_is_locked+0x15/0x20
[ 7546.222221][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7546.222224][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7546.222227][ C0] ? mutex_is_locked+0x17/0x50
[ 7546.222230][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7546.222236][ C0] cleanup_net+0x4cf/0xb60
[ 7546.222239][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7546.222242][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7546.222245][ C0] ? lock_acquire+0x1c1/0x220
[ 7546.222248][ C0] ? process_one_work+0x714/0x1310
[ 7546.222253][ C0] process_one_work+0x78c/0x1310
[ 7546.222257][ C0] ? hlock_class+0x4e/0x130
[ 7546.222260][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7546.222265][ C0] ? assign_work+0x16c/0x240
[ 7546.222268][ C0] worker_thread+0x73d/0x1010
[ 7546.222274][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7546.222276][ C0] kthread+0x28f/0x360
[ 7546.222279][ C0] ? __pfx_kthread+0x10/0x10
[ 7546.222281][ C0] ret_from_fork+0x31/0x70
[ 7546.222284][ C0] ? __pfx_kthread+0x10/0x10
[ 7546.222287][ C0] ret_from_fork_asm+0x1b/0x30
[ 7546.222295][ C0]
[ 7572.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1889s! [kworker/u8:0:11]
[ 7572.598033][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7572.598966][ C0] irq event stamp: 6208419
[ 7572.599193][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7572.599674][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7572.600154][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7572.600633][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7572.601107][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7572.601585][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7572.602211][ C0] Workqueue: netns cleanup_net
[ 7572.602464][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 7572.602734][ 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
[ 7572.603721][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7572.604035][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb35b0
[ 7572.604442][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7572.604849][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7572.605254][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 7572.605668][ C0] R13: ffffffff9dcb35b0 R14: 0000000000000004 R15: ffff888001c02640
[ 7572.606076][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7572.606535][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7572.606875][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7572.607283][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7572.607699][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7572.608105][ C0] PKRU: 55555554
[ 7572.608292][ C0] Call Trace:
[ 7572.608467][ C0]
[ 7572.608623][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7572.608891][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7572.609140][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7572.609424][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7572.609703][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7572.610002][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7572.610273][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7572.610587][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7572.610855][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7572.611169][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7572.611470][ C0]
[ 7572.611626][ C0]
[ 7572.611780][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7572.612101][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7572.612401][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7572.612699][ C0] ? kasan_report+0xd2/0xf0
[ 7572.612938][ C0] kasan_check_range+0x39/0x1c0
[ 7572.613193][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7572.613483][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7572.613804][ C0] ? __pfx___schedule+0x10/0x10
[ 7572.614058][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7572.614313][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7572.614594][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7572.614884][ C0] ? lock_acquire+0x1c1/0x220
[ 7572.615129][ C0] ? __mutex_lock+0x33e/0xb10
[ 7572.615374][ C0] ? __mutex_lock+0x811/0xb10
[ 7572.615619][ C0] _raw_spin_lock+0x67/0x80
[ 7572.615859][ C0] __mutex_lock+0x33e/0xb10
[ 7572.616094][ C0] ? __lock_release+0x40f/0x880
[ 7572.616346][ C0] ? __pfx___lock_release+0x10/0x10
[ 7572.616617][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7572.616921][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7572.617184][ C0] ? __pfx___up_read+0x10/0x10
[ 7572.617434][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7572.617710][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7572.617983][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7572.618285][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7572.618586][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7572.618881][ C0] __tcf_action_put+0x3d/0xf0
[ 7572.619127][ C0] tcf_action_destroy+0x43/0x130
[ 7572.619386][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7572.619631][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7572.619959][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7572.620237][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7572.620548][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7572.620848][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7572.621142][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7572.621461][ C0] ? __lock_release+0x40f/0x880
[ 7572.621717][ C0] ? __mutex_lock+0x26e/0xb10
[ 7572.621962][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7572.622253][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7572.622575][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7572.622888][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7572.623142][ C0] tcf_chain_flush+0x1e0/0x320
[ 7572.623391][ C0] __tcf_block_put+0x113/0x270
[ 7572.623644][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7572.623953][ C0] __qdisc_destroy+0xee/0x340
[ 7572.624199][ C0] dev_shutdown+0x129/0x350
[ 7572.624436][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7572.624764][ C0] ? rtnl_is_locked+0x15/0x20
[ 7572.625008][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7572.625329][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7572.625681][ C0] ? mutex_is_locked+0x17/0x50
[ 7572.625930][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7572.626239][ C0] cleanup_net+0x4cf/0xb60
[ 7572.626473][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7572.626764][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7572.627022][ C0] ? lock_acquire+0x1c1/0x220
[ 7572.627266][ C0] ? process_one_work+0x714/0x1310
[ 7572.627536][ C0] process_one_work+0x78c/0x1310
[ 7572.627796][ C0] ? hlock_class+0x4e/0x130
[ 7572.628032][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7572.628312][ C0] ? assign_work+0x16c/0x240
[ 7572.628552][ C0] worker_thread+0x73d/0x1010
[ 7572.628799][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7572.629063][ C0] kthread+0x28f/0x360
[ 7572.629277][ C0] ? __pfx_kthread+0x10/0x10
[ 7572.629518][ C0] ret_from_fork+0x31/0x70
[ 7572.629750][ C0] ? __pfx_kthread+0x10/0x10
[ 7572.629990][ C0] ret_from_fork_asm+0x1b/0x30
[ 7572.630242][ C0]
[ 7600.585482][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7600.585851][ C0] rcu: 0-....: (2051963 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=513523
[ 7600.586424][ C0] rcu: (t=2054872 jiffies g=2451281 q=5652 ncpus=4)
[ 7600.586770][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7600.587252][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7600.587876][ C0] Workqueue: netns cleanup_net
[ 7600.588130][ C0] RIP: 0010:report_enabled+0x19/0x30
[ 7600.588405][ 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
[ 7600.589395][ C0] RSP: 0018:ffffc900000bf330 EFLAGS: 00000247
[ 7600.589713][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7600.590120][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7600.590530][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7600.590939][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7600.591343][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7600.591753][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7600.592214][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7600.592556][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7600.592964][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7600.593371][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7600.593780][ C0] PKRU: 55555554
[ 7600.593964][ C0] Call Trace:
[ 7600.594140][ C0]
[ 7600.594292][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7600.594574][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7600.594832][ C0] ? check_cpu_stall+0x284/0x500
[ 7600.595088][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7600.595380][ C0] ? rcu_pending+0x92/0x360
[ 7600.595616][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7600.595893][ C0] ? update_process_times+0xb9/0x110
[ 7600.596168][ C0] ? tick_sched_handle+0x67/0x130
[ 7600.596431][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7600.596724][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7600.596971][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7600.597289][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7600.597568][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7600.597864][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7600.598134][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7600.598448][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7600.598718][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7600.599032][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7600.599334][ C0]
[ 7600.599488][ C0]
[ 7600.599643][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7600.599964][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7600.600268][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7600.600573][ C0] ? report_enabled+0x19/0x30
[ 7600.600818][ C0] kasan_report+0x41/0xf0
[ 7600.601043][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7600.601347][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7600.601639][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7600.601960][ C0] ? __pfx___schedule+0x10/0x10
[ 7600.602217][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7600.602473][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7600.602750][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7600.603041][ C0] ? lock_acquire+0x1c1/0x220
[ 7600.603282][ C0] ? __mutex_lock+0x33e/0xb10
[ 7600.603530][ C0] ? __mutex_lock+0x811/0xb10
[ 7600.603775][ C0] _raw_spin_lock+0x67/0x80
[ 7600.604012][ C0] __mutex_lock+0x33e/0xb10
[ 7600.604247][ C0] ? __lock_release+0x40f/0x880
[ 7600.604501][ C0] ? __pfx___lock_release+0x10/0x10
[ 7600.604770][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7600.605074][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7600.605336][ C0] ? __pfx___up_read+0x10/0x10
[ 7600.605588][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7600.605863][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7600.606138][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7600.606437][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7600.606741][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7600.607031][ C0] __tcf_action_put+0x3d/0xf0
[ 7600.607277][ C0] tcf_action_destroy+0x43/0x130
[ 7600.607535][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7600.607783][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7600.608110][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7600.608389][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7600.608698][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7600.608998][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7600.609291][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7600.609610][ C0] ? __lock_release+0x40f/0x880
[ 7600.609862][ C0] ? __mutex_lock+0x26e/0xb10
[ 7600.610108][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7600.610394][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7600.610713][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7600.611024][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7600.611276][ C0] tcf_chain_flush+0x1e0/0x320
[ 7600.611524][ C0] __tcf_block_put+0x113/0x270
[ 7600.611775][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7600.612086][ C0] __qdisc_destroy+0xee/0x340
[ 7600.612335][ C0] dev_shutdown+0x129/0x350
[ 7600.612571][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7600.612899][ C0] ? rtnl_is_locked+0x15/0x20
[ 7600.613145][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7600.613466][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7600.613812][ C0] ? mutex_is_locked+0x17/0x50
[ 7600.614060][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7600.614368][ C0] cleanup_net+0x4cf/0xb60
[ 7600.614600][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7600.614891][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7600.615148][ C0] ? lock_acquire+0x1c1/0x220
[ 7600.615390][ C0] ? process_one_work+0x714/0x1310
[ 7600.615657][ C0] process_one_work+0x78c/0x1310
[ 7600.615916][ C0] ? hlock_class+0x4e/0x130
[ 7600.616154][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7600.616431][ C0] ? assign_work+0x16c/0x240
[ 7600.616674][ C0] worker_thread+0x73d/0x1010
[ 7600.616920][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7600.617184][ C0] kthread+0x28f/0x360
[ 7600.617397][ C0] ? __pfx_kthread+0x10/0x10
[ 7600.617638][ C0] ret_from_fork+0x31/0x70
[ 7600.617867][ C0] ? __pfx_kthread+0x10/0x10
[ 7600.618106][ C0] ret_from_fork_asm+0x1b/0x30
[ 7600.618360][ C0]
[ 7624.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1937s! [kworker/u8:0:11]
[ 7624.598038][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7624.598966][ C0] irq event stamp: 6208419
[ 7624.599195][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7624.599676][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7624.600162][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7624.600644][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7624.601115][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7624.601597][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7624.602222][ C0] Workqueue: netns cleanup_net
[ 7624.602472][ C0] RIP: 0010:kasan_report+0x29/0xf0
[ 7624.602739][ 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
[ 7624.603725][ C0] RSP: 0018:ffffc900000bf318 EFLAGS: 00000286
[ 7624.604038][ C0] RAX: 0000000000000000 RBX: ffffed10015b5102 RCX: ffffffff9dcb35b0
[ 7624.604442][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7624.604852][ C0] RBP: ffffed10015b5101 R08: 0000000000000000 R09: ffffed10015b5101
[ 7624.605256][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7624.605662][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: ffff888001c02640
[ 7624.606066][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7624.606523][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7624.606864][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7624.607271][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7624.607679][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7624.608083][ C0] PKRU: 55555554
[ 7624.608267][ C0] Call Trace:
[ 7624.608442][ C0]
[ 7624.608595][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7624.608862][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7624.609111][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7624.609393][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7624.609674][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7624.609967][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7624.610237][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7624.610551][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7624.610817][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7624.611134][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7624.611435][ C0]
[ 7624.611589][ C0]
[ 7624.611743][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7624.612069][ C0] ? queued_spin_lock_slowpath+0xb0/0xb90
[ 7624.612365][ C0] ? kasan_report+0x29/0xf0
[ 7624.612605][ C0] kasan_check_range+0x39/0x1c0
[ 7624.612859][ C0] queued_spin_lock_slowpath+0xb0/0xb90
[ 7624.613149][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7624.613468][ C0] ? __pfx___schedule+0x10/0x10
[ 7624.613723][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7624.613978][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7624.614257][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7624.614549][ C0] ? lock_acquire+0x1c1/0x220
[ 7624.614794][ C0] ? __mutex_lock+0x33e/0xb10
[ 7624.615039][ C0] ? __mutex_lock+0x811/0xb10
[ 7624.615284][ C0] _raw_spin_lock+0x67/0x80
[ 7624.615523][ C0] __mutex_lock+0x33e/0xb10
[ 7624.615758][ C0] ? __lock_release+0x40f/0x880
[ 7624.616011][ C0] ? __pfx___lock_release+0x10/0x10
[ 7624.616280][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7624.616586][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7624.616847][ C0] ? __pfx___up_read+0x10/0x10
[ 7624.617097][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7624.617370][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7624.617645][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7624.617948][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7624.618248][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7624.618545][ C0] __tcf_action_put+0x3d/0xf0
[ 7624.618792][ C0] tcf_action_destroy+0x43/0x130
[ 7624.619049][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7624.619292][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7624.619623][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7624.619901][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7624.620209][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7624.620511][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7624.620806][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7624.621125][ C0] ? __lock_release+0x40f/0x880
[ 7624.621377][ C0] ? __mutex_lock+0x26e/0xb10
[ 7624.621624][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7624.621914][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7624.622232][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7624.622545][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7624.622799][ C0] tcf_chain_flush+0x1e0/0x320
[ 7624.623048][ C0] __tcf_block_put+0x113/0x270
[ 7624.623300][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7624.623610][ C0] __qdisc_destroy+0xee/0x340
[ 7624.623857][ C0] dev_shutdown+0x129/0x350
[ 7624.624095][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7624.624423][ C0] ? rtnl_is_locked+0x15/0x20
[ 7624.624667][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7624.624989][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7624.625338][ C0] ? mutex_is_locked+0x17/0x50
[ 7624.625587][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7624.625898][ C0] cleanup_net+0x4cf/0xb60
[ 7624.626130][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7624.626419][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7624.626680][ C0] ? lock_acquire+0x1c1/0x220
[ 7624.626924][ C0] ? process_one_work+0x714/0x1310
[ 7624.627192][ C0] process_one_work+0x78c/0x1310
[ 7624.627452][ C0] ? hlock_class+0x4e/0x130
[ 7624.627689][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7624.627971][ C0] ? assign_work+0x16c/0x240
[ 7624.628212][ C0] worker_thread+0x73d/0x1010
[ 7624.628460][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7624.628728][ C0] kthread+0x28f/0x360
[ 7624.628940][ C0] ? __pfx_kthread+0x10/0x10
[ 7624.629179][ C0] ret_from_fork+0x31/0x70
[ 7624.629411][ C0] ? __pfx_kthread+0x10/0x10
[ 7624.629649][ C0] ret_from_fork_asm+0x1b/0x30
[ 7624.629903][ C0]
[ 7644.524530][T18026] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2098539 jiffies s: 77393 root: 0x1/.
[ 7644.525213][T18026] rcu: blocking rcu_node structures (internal RCU debug):
[ 7644.525612][T18026] Sending NMI from CPU 3 to CPUs 0:
[ 7644.525905][ C0] NMI backtrace for cpu 0
[ 7644.525913][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7644.525918][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7644.525921][ C0] Workqueue: netns cleanup_net
[ 7644.525930][ C0] RIP: 0010:kasan_report+0x19/0xf0
[ 7644.525936][ 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
[ 7644.525939][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7644.525942][ C0] RAX: 00000000000000fb RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7644.525944][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7644.525946][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7644.525948][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7644.525950][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7644.525951][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7644.525953][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7644.525957][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7644.525959][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7644.525960][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7644.525962][ C0] PKRU: 55555554
[ 7644.525963][ C0] Call Trace:
[ 7644.525966][ C0]
[ 7644.525969][ C0] ? nmi_cpu_backtrace+0x112/0x220
[ 7644.525975][ C0] ? nmi_cpu_backtrace_handler+0x11/0x20
[ 7644.525980][ C0] ? nmi_handle+0x153/0x420
[ 7644.525985][ C0] ? default_do_nmi+0x41/0x100
[ 7644.525990][ C0] ? exc_nmi+0xf3/0x120
[ 7644.525993][ C0] ? end_repeat_nmi+0xf/0x60
[ 7644.525998][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7644.526003][ C0] ? kasan_report+0x19/0xf0
[ 7644.526006][ C0] ? kasan_report+0x19/0xf0
[ 7644.526010][ C0] ? kasan_report+0x19/0xf0
[ 7644.526013][ C0]
[ 7644.526014][ C0]
[ 7644.526018][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7644.526021][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7644.526025][ C0] ? __pfx___schedule+0x10/0x10
[ 7644.526030][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7644.526035][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7644.526038][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7644.526041][ C0] ? lock_acquire+0x1c1/0x220
[ 7644.526044][ C0] ? __mutex_lock+0x33e/0xb10
[ 7644.526048][ C0] ? __mutex_lock+0x811/0xb10
[ 7644.526051][ C0] _raw_spin_lock+0x67/0x80
[ 7644.526054][ C0] __mutex_lock+0x33e/0xb10
[ 7644.526057][ C0] ? __lock_release+0x40f/0x880
[ 7644.526060][ C0] ? __pfx___lock_release+0x10/0x10
[ 7644.526063][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7644.526069][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7644.526072][ C0] ? __pfx___up_read+0x10/0x10
[ 7644.526075][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7644.526078][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7644.526082][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7644.526088][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7644.526091][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7644.526095][ C0] __tcf_action_put+0x3d/0xf0
[ 7644.526100][ C0] tcf_action_destroy+0x43/0x130
[ 7644.526103][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7644.526106][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7644.526117][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7644.526126][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7644.526134][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7644.526143][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7644.526152][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7644.526160][ C0] ? __lock_release+0x40f/0x880
[ 7644.526163][ C0] ? __mutex_lock+0x26e/0xb10
[ 7644.526168][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7644.526177][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7644.526186][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7644.526190][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7644.526194][ C0] tcf_chain_flush+0x1e0/0x320
[ 7644.526199][ C0] __tcf_block_put+0x113/0x270
[ 7644.526203][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7644.526211][ C0] __qdisc_destroy+0xee/0x340
[ 7644.526215][ C0] dev_shutdown+0x129/0x350
[ 7644.526219][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7644.526223][ C0] ? rtnl_is_locked+0x15/0x20
[ 7644.526226][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7644.526229][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7644.526233][ C0] ? mutex_is_locked+0x17/0x50
[ 7644.526235][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7644.526241][ C0] cleanup_net+0x4cf/0xb60
[ 7644.526243][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7644.526247][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7644.526250][ C0] ? lock_acquire+0x1c1/0x220
[ 7644.526252][ C0] ? process_one_work+0x714/0x1310
[ 7644.526258][ C0] process_one_work+0x78c/0x1310
[ 7644.526262][ C0] ? hlock_class+0x4e/0x130
[ 7644.526266][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7644.526271][ C0] ? assign_work+0x16c/0x240
[ 7644.526274][ C0] worker_thread+0x73d/0x1010
[ 7644.526279][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7644.526282][ C0] kthread+0x28f/0x360
[ 7644.526285][ C0] ? __pfx_kthread+0x10/0x10
[ 7644.526288][ C0] ret_from_fork+0x31/0x70
[ 7644.526291][ C0] ? __pfx_kthread+0x10/0x10
[ 7644.526293][ C0] ret_from_fork_asm+0x1b/0x30
[ 7644.526301][ C0]
[ 7668.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 1978s! [kworker/u8:0:11]
[ 7668.598032][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7668.598962][ C0] irq event stamp: 6208419
[ 7668.599189][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7668.599669][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7668.600151][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7668.600630][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7668.601102][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7668.601583][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7668.602204][ C0] Workqueue: netns cleanup_net
[ 7668.602454][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7668.602785][ 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
[ 7668.603772][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7668.604085][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7668.604490][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7668.604897][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7668.605300][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7668.605705][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7668.606110][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7668.606564][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7668.606903][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7668.607311][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7668.607720][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7668.608125][ C0] PKRU: 55555554
[ 7668.608310][ C0] Call Trace:
[ 7668.608486][ C0]
[ 7668.608638][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7668.608909][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7668.609157][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7668.609440][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7668.609719][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7668.610013][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7668.610283][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7668.610598][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7668.610867][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7668.611182][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7668.611483][ C0]
[ 7668.611638][ C0]
[ 7668.611796][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7668.612120][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7668.612424][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7668.612728][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7668.613047][ C0] ? __pfx___schedule+0x10/0x10
[ 7668.613301][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7668.613558][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7668.613834][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7668.614126][ C0] ? lock_acquire+0x1c1/0x220
[ 7668.614370][ C0] ? __mutex_lock+0x33e/0xb10
[ 7668.614615][ C0] ? __mutex_lock+0x811/0xb10
[ 7668.614862][ C0] _raw_spin_lock+0x67/0x80
[ 7668.615100][ C0] __mutex_lock+0x33e/0xb10
[ 7668.615333][ C0] ? __lock_release+0x40f/0x880
[ 7668.615588][ C0] ? __pfx___lock_release+0x10/0x10
[ 7668.615856][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7668.616162][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7668.616422][ C0] ? __pfx___up_read+0x10/0x10
[ 7668.616674][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7668.616948][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7668.617222][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7668.617524][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7668.617824][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7668.618118][ C0] __tcf_action_put+0x3d/0xf0
[ 7668.618363][ C0] tcf_action_destroy+0x43/0x130
[ 7668.618622][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7668.618867][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7668.619192][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7668.619469][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7668.619779][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7668.620077][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7668.620373][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7668.620692][ C0] ? __lock_release+0x40f/0x880
[ 7668.620945][ C0] ? __mutex_lock+0x26e/0xb10
[ 7668.621189][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7668.621478][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7668.621796][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7668.622108][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7668.622362][ C0] tcf_chain_flush+0x1e0/0x320
[ 7668.622616][ C0] __tcf_block_put+0x113/0x270
[ 7668.622865][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7668.623174][ C0] __qdisc_destroy+0xee/0x340
[ 7668.623420][ C0] dev_shutdown+0x129/0x350
[ 7668.623659][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7668.623987][ C0] ? rtnl_is_locked+0x15/0x20
[ 7668.624230][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7668.624556][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7668.624905][ C0] ? mutex_is_locked+0x17/0x50
[ 7668.625152][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7668.625462][ C0] cleanup_net+0x4cf/0xb60
[ 7668.625696][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7668.625985][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7668.626242][ C0] ? lock_acquire+0x1c1/0x220
[ 7668.626487][ C0] ? process_one_work+0x714/0x1310
[ 7668.626757][ C0] process_one_work+0x78c/0x1310
[ 7668.627015][ C0] ? hlock_class+0x4e/0x130
[ 7668.627249][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7668.627534][ C0] ? assign_work+0x16c/0x240
[ 7668.627773][ C0] worker_thread+0x73d/0x1010
[ 7668.628020][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7668.628286][ C0] kthread+0x28f/0x360
[ 7668.628498][ C0] ? __pfx_kthread+0x10/0x10
[ 7668.628739][ C0] ret_from_fork+0x31/0x70
[ 7668.628971][ C0] ? __pfx_kthread+0x10/0x10
[ 7668.629208][ C0] ret_from_fork_asm+0x1b/0x30
[ 7668.629463][ C0]
[ 7678.620483][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 7678.620849][ C0] rcu: 0-....: (2129878 ticks this GP) idle=9384/1/0x4000000000000000 softirq=1673408/1673433 fqs=533025
[ 7678.621419][ C0] rcu: (t=2132907 jiffies g=2451281 q=5679 ncpus=4)
[ 7678.621769][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7678.622247][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7678.622873][ C0] Workqueue: netns cleanup_net
[ 7678.623124][ C0] RIP: 0010:queued_spin_lock_slowpath+0x12d/0xb90
[ 7678.623457][ 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
[ 7678.624444][ C0] RSP: 0018:ffffc900000bf3e0 EFLAGS: 00000202
[ 7678.624756][ C0] RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff9dcb3f0c
[ 7678.625163][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7678.625569][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7678.625972][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000003
[ 7678.626377][ C0] R13: ffffed10015b5101 R14: 0000000000000001 R15: 1ffff92000017e7d
[ 7678.626785][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7678.627239][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7678.627577][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7678.627983][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7678.628390][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7678.628797][ C0] PKRU: 55555554
[ 7678.628982][ C0] Call Trace:
[ 7678.629154][ C0]
[ 7678.629307][ C0] ? rcu_dump_cpu_stacks+0x2a3/0x4c0
[ 7678.629585][ C0] ? print_cpu_stall+0x263/0x6a0
[ 7678.629843][ C0] ? check_cpu_stall+0x284/0x500
[ 7678.630098][ C0] ? debug_object_deactivate+0x216/0x3a0
[ 7678.630389][ C0] ? rcu_pending+0x92/0x360
[ 7678.630626][ C0] ? rcu_sched_clock_irq+0x107/0x3f0
[ 7678.630900][ C0] ? update_process_times+0xb9/0x110
[ 7678.631174][ C0] ? tick_sched_handle+0x67/0x130
[ 7678.631435][ C0] ? tick_nohz_highres_handler+0xa7/0xd0
[ 7678.631727][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7678.631976][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10
[ 7678.632294][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7678.632573][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7678.632867][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7678.633136][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7678.633448][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7678.633716][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7678.634033][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7678.634332][ C0]
[ 7678.634489][ C0]
[ 7678.634641][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7678.634962][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7678.635263][ C0] ? queued_spin_lock_slowpath+0x12d/0xb90
[ 7678.635563][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7678.635882][ C0] ? __pfx___schedule+0x10/0x10
[ 7678.636136][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7678.636390][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7678.636668][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7678.636959][ C0] ? lock_acquire+0x1c1/0x220
[ 7678.637200][ C0] ? __mutex_lock+0x33e/0xb10
[ 7678.637448][ C0] ? __mutex_lock+0x811/0xb10
[ 7678.637693][ C0] _raw_spin_lock+0x67/0x80
[ 7678.637928][ C0] __mutex_lock+0x33e/0xb10
[ 7678.638164][ C0] ? __lock_release+0x40f/0x880
[ 7678.638417][ C0] ? __pfx___lock_release+0x10/0x10
[ 7678.638687][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7678.638992][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7678.639254][ C0] ? __pfx___up_read+0x10/0x10
[ 7678.639505][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7678.639781][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7678.640059][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7678.640355][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7678.640659][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7678.640950][ C0] __tcf_action_put+0x3d/0xf0
[ 7678.641196][ C0] tcf_action_destroy+0x43/0x130
[ 7678.641453][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7678.641702][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7678.642030][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7678.642308][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7678.642616][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7678.642916][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7678.643208][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7678.643526][ C0] ? __lock_release+0x40f/0x880
[ 7678.643778][ C0] ? __mutex_lock+0x26e/0xb10
[ 7678.644022][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7678.644307][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7678.644622][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7678.644933][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7678.645185][ C0] tcf_chain_flush+0x1e0/0x320
[ 7678.645431][ C0] __tcf_block_put+0x113/0x270
[ 7678.645682][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7678.645992][ C0] __qdisc_destroy+0xee/0x340
[ 7678.646238][ C0] dev_shutdown+0x129/0x350
[ 7678.646472][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7678.646800][ C0] ? rtnl_is_locked+0x15/0x20
[ 7678.647045][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7678.647369][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7678.647716][ C0] ? mutex_is_locked+0x17/0x50
[ 7678.647964][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7678.648270][ C0] cleanup_net+0x4cf/0xb60
[ 7678.648500][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7678.648792][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7678.649049][ C0] ? lock_acquire+0x1c1/0x220
[ 7678.649290][ C0] ? process_one_work+0x714/0x1310
[ 7678.649559][ C0] process_one_work+0x78c/0x1310
[ 7678.649816][ C0] ? hlock_class+0x4e/0x130
[ 7678.650051][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7678.650328][ C0] ? assign_work+0x16c/0x240
[ 7678.650569][ C0] worker_thread+0x73d/0x1010
[ 7678.650817][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7678.651081][ C0] kthread+0x28f/0x360
[ 7678.651292][ C0] ? __pfx_kthread+0x10/0x10
[ 7678.651533][ C0] ret_from_fork+0x31/0x70
[ 7678.651766][ C0] ? __pfx_kthread+0x10/0x10
[ 7678.652006][ C0] ret_from_fork_asm+0x1b/0x30
[ 7678.652257][ C0]
[ 7704.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 2012s! [kworker/u8:0:11]
[ 7704.598042][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7704.598969][ C0] irq event stamp: 6208419
[ 7704.599199][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7704.599680][ C0] hardirqs last disabled at (6208418): [] __do_softirq+0x670/0x7ff
[ 7704.600164][ C0] softirqs last enabled at (6207758): [] __do_softirq+0x519/0x7ff
[ 7704.600645][ C0] softirqs last disabled at (6206285): [] irq_exit_rcu+0x98/0xc0
[ 7704.601117][ C0] CPU: 0 PID: 11 Comm: kworker/u8:0 Tainted: G B L 6.8.0-rc2-virtme #1
[ 7704.601599][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7704.602220][ C0] Workqueue: netns cleanup_net
[ 7704.602468][ C0] RIP: 0010:kasan_report+0xd2/0xf0
[ 7704.602735][ 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
[ 7704.603728][ C0] RSP: 0018:ffffc900000bf338 EFLAGS: 00000282
[ 7704.604041][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9dcb3f0c
[ 7704.604445][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88800ada8808
[ 7704.604852][ C0] RBP: ffff88800ada8808 R08: 0000000000000000 R09: ffffed10015b5101
[ 7704.605258][ C0] R10: 0000000000000003 R11: ffff8880353fc508 R12: 0000000000000000
[ 7704.605666][ C0] R13: ffffffff9dcb3f0c R14: 0000000000000004 R15: ffff888001c02640
[ 7704.606070][ C0] FS: 0000000000000000(0000) GS:ffff888035200000(0000) knlGS:0000000000000000
[ 7704.606525][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7704.606861][ C0] CR2: 00007fd62fd91270 CR3: 0000000011734005 CR4: 0000000000770ef0
[ 7704.607271][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7704.607677][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7704.608081][ C0] PKRU: 55555554
[ 7704.608265][ C0] Call Trace:
[ 7704.608440][ C0]
[ 7704.608592][ C0] ? watchdog_timer_fn+0x2cf/0x3c0
[ 7704.608859][ C0] ? __run_hrtimer+0x1c0/0x710
[ 7704.609108][ C0] ? __pfx_watchdog_timer_fn+0x10/0x10
[ 7704.609389][ C0] ? __hrtimer_run_queues+0x197/0x270
[ 7704.609669][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 7704.609962][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 7704.610232][ C0] ? ktime_get_update_offsets_now+0xe1/0x2d0
[ 7704.610546][ C0] ? hrtimer_interrupt+0x2c3/0x770
[ 7704.610815][ C0] ? __sysvec_apic_timer_interrupt+0xbe/0x380
[ 7704.611129][ C0] ? sysvec_apic_timer_interrupt+0x70/0x80
[ 7704.611428][ C0]
[ 7704.611582][ C0]
[ 7704.611740][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 7704.612060][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7704.612363][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7704.612664][ C0] ? kasan_report+0xd2/0xf0
[ 7704.612901][ C0] ? queued_spin_lock_slowpath+0xa0c/0xb90
[ 7704.613205][ C0] queued_spin_lock_slowpath+0xa0c/0xb90
[ 7704.613495][ C0] ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[ 7704.613814][ C0] ? __pfx___schedule+0x10/0x10
[ 7704.614069][ C0] do_raw_spin_lock+0x1ec/0x270
[ 7704.614324][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 7704.614602][ C0] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 7704.614890][ C0] ? lock_acquire+0x1c1/0x220
[ 7704.615134][ C0] ? __mutex_lock+0x33e/0xb10
[ 7704.615379][ C0] ? __mutex_lock+0x811/0xb10
[ 7704.615624][ C0] _raw_spin_lock+0x67/0x80
[ 7704.615858][ C0] __mutex_lock+0x33e/0xb10
[ 7704.616094][ C0] ? __lock_release+0x40f/0x880
[ 7704.616346][ C0] ? __pfx___lock_release+0x10/0x10
[ 7704.616616][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7704.616918][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 7704.617178][ C0] ? __pfx___up_read+0x10/0x10
[ 7704.617426][ C0] ? refcount_dec_not_one+0x6b/0x180
[ 7704.617701][ C0] ? tc_setup_cb_destroy+0x22b/0x300
[ 7704.617977][ C0] ? __pfx_refcount_dec_not_one+0x10/0x10
[ 7704.618272][ C0] ? refcount_dec_and_mutex_lock+0x35/0x90
[ 7704.618576][ C0] refcount_dec_and_mutex_lock+0x35/0x90
[ 7704.618866][ C0] __tcf_action_put+0x3d/0xf0
[ 7704.619111][ C0] tcf_action_destroy+0x43/0x130
[ 7704.619369][ C0] tcf_exts_destroy+0x3c/0xb0
[ 7704.619615][ C0] __fl_destroy_filter+0x54/0x120 [cls_flower]
[ 7704.619943][ C0] __fl_put+0x21a/0x290 [cls_flower]
[ 7704.620223][ C0] ? __pfx___fl_put+0x10/0x10 [cls_flower]
[ 7704.620531][ C0] ? __fl_delete+0x33f/0x750 [cls_flower]
[ 7704.620831][ C0] __fl_delete+0x4e4/0x750 [cls_flower]
[ 7704.621122][ C0] ? __pfx___fl_delete+0x10/0x10 [cls_flower]
[ 7704.621439][ C0] ? __lock_release+0x40f/0x880
[ 7704.621701][ C0] ? __mutex_lock+0x26e/0xb10
[ 7704.621946][ C0] fl_destroy+0x1ae/0x300 [cls_flower]
[ 7704.622233][ C0] ? __pfx_fl_destroy+0x10/0x10 [cls_flower]
[ 7704.622551][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 7704.622860][ C0] tcf_proto_destroy+0x6e/0x2e0
[ 7704.623113][ C0] tcf_chain_flush+0x1e0/0x320
[ 7704.623363][ C0] __tcf_block_put+0x113/0x270
[ 7704.623614][ C0] clsact_destroy+0x226/0x800 [sch_ingress]
[ 7704.623927][ C0] __qdisc_destroy+0xee/0x340
[ 7704.624171][ C0] dev_shutdown+0x129/0x350
[ 7704.624409][ C0] unregister_netdevice_many_notify+0x4fe/0x1180
[ 7704.624737][ C0] ? rtnl_is_locked+0x15/0x20
[ 7704.624983][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 7704.625303][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 7704.625652][ C0] ? mutex_is_locked+0x17/0x50
[ 7704.625900][ C0] ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 7704.626207][ C0] cleanup_net+0x4cf/0xb60
[ 7704.626437][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 7704.626728][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 7704.626985][ C0] ? lock_acquire+0x1c1/0x220
[ 7704.627227][ C0] ? process_one_work+0x714/0x1310
[ 7704.627494][ C0] process_one_work+0x78c/0x1310
[ 7704.627754][ C0] ? hlock_class+0x4e/0x130
[ 7704.627990][ C0] ? __pfx_process_one_work+0x10/0x10
[ 7704.628268][ C0] ? assign_work+0x16c/0x240
[ 7704.628510][ C0] worker_thread+0x73d/0x1010
[ 7704.628756][ C0] ? __pfx_worker_thread+0x10/0x10
[ 7704.629021][ C0] kthread+0x28f/0x360
[ 7704.629233][ C0] ? __pfx_kthread+0x10/0x10
[ 7704.629471][ C0] ret_from_fork+0x31/0x70
[ 7704.629704][ C0] ? __pfx_kthread+0x10/0x10
[ 7704.629944][ C0] ret_from_fork_asm+0x1b/0x30
[ 7704.630201][ C0]
[ 7732.597573][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 2038s! [kworker/u8:0:11]
[ 7732.598031][ C0] Modules linked in: act_gact cls_flower sch_ingress vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_REJECT ipt_REJECT nft_compat nf_tables libcrc32c
[ 7732.598959][ C0] irq event stamp: 6208419
[ 7732.599186][ C0] hardirqs last enabled at (6208419): [] irqentry_exit+0x3b/0x90
[ 7732.599669][ C0] hardirqs last disabled at (6208418): [