exit [?2004l exit [ 3558.855044] BUG: unable to handle page fault for address: 00007f072ccb4fff [ 3558.855777] #PF: supervisor write access in kernel mode [ 3558.856266] #PF: error_code(0x0002) - not-present page [ 3558.856815] PGD 0 P4D 0 [ 3558.857055] Oops: 0002 [#1] PREEMPT SMP NOPTI [ 3558.857531] CPU: 1 PID: 10 Comm: kworker/u8:0 Tainted: G W 6.8.0-rc2-virtme #1 [ 3558.858389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3558.859509] Workqueue: netns cleanup_net [ 3558.859919] RIP: 0010:__mutex_lock+0x399/0x7a0 [ 3558.860342] Code: e7 65 48 8b 14 25 00 f1 02 00 48 89 55 b0 e8 ae af 2d ff 49 8b 44 24 58 49 8d 54 24 50 4d 89 6c 24 58 48 89 55 a0 48 89 45 a8 <4c> 89 28 4d 39 6c 24 50 0f 84 32 03 00 00 65 48 8b 14 25 00 f1 02 [ 3558.862140] RSP: 0018:ffffb7c28005ba30 EFLAGS: 00010246 [ 3558.862610] RAX: 00007f072ccb4fff RBX: 0000000000000000 RCX: 0000000000000000 [ 3558.863366] RDX: ffff93a843979250 RSI: ffffb7c28005ba50 RDI: ffff93a843979200 [ 3558.864099] RBP: ffffb7c28005bab0 R08: 0000000000000001 R09: 0000000000000000 [ 3558.864802] R10: 0000000000000000 R11: ffffffffbdb4ca08 R12: ffff93a843979200 [ 3558.865533] R13: ffffb7c28005ba50 R14: ffff93a843979208 R15: ffff93a843979268 [ 3558.866227] FS: 0000000000000000(0000) GS:ffff93a87ec80000(0000) knlGS:0000000000000000 [ 3558.867017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3558.867602] CR2: 00007f072ccb4fff CR3: 0000000015460001 CR4: 0000000000770ef0 [ 3558.868319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3558.869047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3558.869761] PKRU: 55555554 [ 3558.870026] Call Trace: [ 3558.870297] [ 3558.870540] ? __die+0x24/0x70 [ 3558.870856] ? page_fault_oops+0x15b/0x450 [ 3558.871301] ? __warn+0x141/0x170 [ 3558.871652] ? __mutex_lock+0x351/0x7a0 [ 3558.872060] ? lock_acquire+0x179/0x2b0 [ 3558.872327] ? trace_hardirqs_off_finish+0x3d/0x90 [ 3558.872610] ? trace_hardirqs_off_finish+0x3d/0x90 [ 3558.872910] ? exc_page_fault+0x6e/0x1d0 [ 3558.873153] ? asm_exc_page_fault+0x26/0x30 [ 3558.873408] ? __mutex_lock+0x399/0x7a0 [ 3558.873639] ? refcount_dec_and_mutex_lock+0x35/0x80 [ 3558.873935] ? refcount_dec_and_mutex_lock+0x35/0x80 [ 3558.874225] refcount_dec_and_mutex_lock+0x35/0x80 [ 3558.874685] __tcf_action_put+0x1e/0x70 [ 3558.875027] tcf_action_destroy+0x31/0x80 [ 3558.875319] tcf_exts_destroy+0x20/0x40 [ 3558.875621] __fl_destroy_filter+0x1e/0x80 [cls_flower] [ 3558.876085] __fl_delete+0x12d/0x180 [cls_flower] [ 3558.876509] fl_destroy+0xbd/0x140 [cls_flower] [ 3558.876977] tcf_proto_destroy+0x1f/0xc0 [ 3558.877336] tcf_chain_flush+0xab/0x170 [ 3P5o5w8e.r8i7n7g5 8o9f]f . __t c f_block_put+0xd2/0x190 [ 3558.877986] clsact_destroy+0xa0/0x380 [sch_ingress] [ 3558.878279] __qdisc_destroy+0x51/0x150 [ 3558.878505] dev_shutdown+0x78/0x190 [ 3558.878715] unregister_netdevice_many_notify+0x23e/0x7f0 [ 3558.879032] default_device_exit_batch+0x2b3/0x320 [ 3558.879314] cleanup_net+0x288/0x400 [ 3558.879528] ? process_one_work+0x16c/0x4b0 [ 3558.879776] process_one_work+0x1d6/0x4b0 [ 3558.880016] worker_thread+0x1c1/0x3d0 [ 3558.880239] ? __pfx_worker_thread+0x10/0x10 [ 3558.880492] kthread+0xda/0x110 [ 3558.880682] ? __pfx_kthread+0x10/0x10 [ 3558.880907] ret_from_fork+0x31/0x50 [ 3558.881122] ? __pfx_kthread+0x10/0x10 [ 3558.881343] ret_from_fork_asm+0x1b/0x30 [ 3558.881578] [ 3558.881715] Modules linked in: act_gact cls_flower sch_ingress ip6t_REJECT ipt_REJECT sch_etf sch_fq dccp_ipv6 dccp_ipv4 dccp vxlan nft_chain_nat xt_nat nf_nat xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables libcrc32c nf_defrag_ipv6 poly1305_generic libpoly1305 chacha_generic libchacha chacha20poly1305 tls [ 3558.883358] CR2: 00007f072ccb4fff [ 3558.883559] ---[ end trace 0000000000000000 ]--- [ 3558.883833] RIP: 0010:__mutex_lock+0x399/0x7a0 [ 3558.884097] Code: e7 65 48 8b 14 25 00 f1 02 00 48 89 55 b0 e8 ae af 2d ff 49 8b 44 24 58 49 8d 54 24 50 4d 89 6c 24 58 48 89 55 a0 48 89 45 a8 <4c> 89 28 4d 39 6c 24 50 0f 84 32 03 00 00 65 48 8b 14 25 00 f1 02 [ 3558.885154] RSP: 0018:ffffb7c28005ba30 EFLAGS: 00010246 [ 3558.885464] RAX: 00007f072ccb4fff RBX: 0000000000000000 RCX: 0000000000000000 [ 3558.885884] RDX: ffff93a843979250 RSI: ffffb7c28005ba50 RDI: ffff93a843979200 [ 3558.886299] RBP: ffffb7c28005bab0 R08: 0000000000000001 R09: 0000000000000000 [ 3558.886714] R10: 0000000000000000 R11: ffffffffbdb4ca08 R12: ffff93a843979200 [ 3558.887133] R13: ffffb7c28005ba50 R14: ffff93a843979208 R15: ffff93a843979268 [ 3558.887554] FS: 0000000000000000(0000) GS:ffff93a87ec80000(0000) knlGS:0000000000000000 [ 3558.888030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3558.888373] CR2: 00007f072ccb4fff CR3: 0000000015460001 CR4: 0000000000770ef0 [ 3558.888787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3558.889206] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3558.889621] PKRU: 55555554 [ 3558.889783] note: kworker/u8:0[10] exited with irqs disabled [ 3558.890129] note: kworker/u8:0[10] exited with preempt_count 2 [ 3558.891033] ACPI: PM: Preparing to enter system sleep state S5 [ 3558.891470] kvm: exiting hardware virtualization [ 3558.891762] reboot: Power down