[ 1.865871] ip (248) used greatest stack depth: 12520 bytes left [ 2.013295] ip (257) used greatest stack depth: 12424 bytes left [ 2.335072] br1: port 1(veth1) entered blocking state [ 2.335132] br1: port 1(veth1) entered disabled state [ 2.335183] veth1: entered allmulticast mode [ 2.335275] veth1: entered promiscuous mode [ 2.344920] br1: port 1(veth1) entered blocking state [ 2.344983] br1: port 1(veth1) entered forwarding state [ 2.354514] br1: port 2(veth2) entered blocking state [ 2.354593] br1: port 2(veth2) entered disabled state [ 2.354658] veth2: entered allmulticast mode [ 2.354750] veth2: entered promiscuous mode [ 2.364224] br1: port 2(veth2) entered blocking state [ 2.364289] br1: port 2(veth2) entered forwarding state [ 8.513306] tc (332) used greatest stack depth: 11840 bytes left [ 13.534695] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 13.534754] #PF: supervisor write access in kernel mode [ 13.534789] #PF: error_code(0x0002) - not-present page [ 13.534820] PGD 55b7067 P4D 55b7067 PUD 55b1067 PMD 0 [ 13.534855] Oops: Oops: 0002 [#1] SMP [ 13.534884] CPU: 2 UID: 0 PID: 657 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 13.534941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.534979] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.535019] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 13.535130] RSP: 0018:ffffb4e5c0aa76b8 EFLAGS: 00010046 [ 13.535165] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 13.535210] RDX: ffffb4e5c0aa76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.535266] RBP: ffffb4e5c0aa76f0 R08: ffff994141b99f73 R09: ffffffff9de6cc80 [ 13.535311] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 13.535356] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 13.535402] FS: 00007fd909968800(0000) GS:ffff9941e06da000(0000) knlGS:0000000000000000 [ 13.535452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.535494] CR2: 0000000000000000 CR3: 00000000074fa003 CR4: 0000000000772ef0 [ 13.535546] PKRU: 55555554 [ 13.535565] Call Trace: [ 13.535582] [ 13.535604] __cancel_work+0x29/0xe0 [ 13.535633] ? linkwatch_urgent_event+0x2f/0xb0 [ 13.535669] __cancel_work_sync+0x16/0x80 [ 13.535702] __dev_close_many+0x11b/0x280 [ 13.535730] __dev_change_flags+0xed/0x220 [ 13.535759] netif_change_flags+0x25/0x60 [ 13.535786] do_setlink.constprop.0+0x2fe/0x1120 [ 13.535823] ? __nla_validate_parse+0x5d/0xe70 [ 13.535858] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 13.535894] rtnl_newlink+0x7fa/0xbc0 [ 13.535923] ? virtio_fs_enqueue_req+0x352/0x570 [ 13.535958] ? netdev_run_todo+0x63/0x550 [ 13.535986] ? rtnl_setlink+0x2c0/0x2c0 [ 13.536014] rtnetlink_rcv_msg+0x358/0x400 [ 13.536042] ? get_page_from_freelist+0x15b4/0x1770 [ 13.536078] ? rtnl_calcit.isra.0+0x110/0x110 [ 13.536113] netlink_rcv_skb+0x57/0x100 [ 13.536143] netlink_unicast+0x252/0x380 [ 13.536170] ? __alloc_skb+0xfc/0x1e0 [ 13.536198] netlink_sendmsg+0x1be/0x3e0 [ 13.536227] ____sys_sendmsg+0x132/0x260 [ 13.536255] ? copy_msghdr_from_user+0x6c/0xa0 [ 13.536291] ___sys_sendmsg+0x87/0xd0 [ 13.536319] ? do_wp_page+0x369/0xe90 [ 13.536347] ? ___pte_offset_map+0x1b/0xd0 [ 13.536376] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 13.536411] ? fsnotify_grab_connector+0x48/0x80 [ 13.536447] ? fsnotify_destroy_marks+0x29/0x150 [ 13.536483] __sys_sendmsg+0x71/0xd0 [ 13.536511] do_syscall_64+0xa4/0xfd0 [ 13.536539] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.536575] RIP: 0033:0x7fd909b361d7 [ 13.536603] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 13.536720] RSP: 002b:00007fff30fb9958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.536770] RAX: ffffffffffffffda RBX: 00007fff30fba080 RCX: 00007fd909b361d7 [ 13.536815] RDX: 0000000000000000 RSI: 00007fff30fb99c0 RDI: 0000000000000005 [ 13.536859] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 13.536904] R10: 00007fd909a32f60 R11: 0000000000000246 R12: 0000000000000003 [ 13.536954] R13: 00000000691cc5e5 R14: 0000000000499600 R15: 0000000000000000 [ 13.536999] [ 13.537019] Modules linked in: act_skbedit cls_flower sch_prio sch_ingress bridge stp llc vrf veth [ 13.537082] CR2: 0000000000000000 [ 13.537110] ---[ end trace 0000000000000000 ]--- [ 13.537145] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.537181] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 13.537295] RSP: 0018:ffffb4e5c0aa76b8 EFLAGS: 00010046 [ 13.537332] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 13.537377] RDX: ffffb4e5c0aa76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.537421] RBP: ffffb4e5c0aa76f0 R08: ffff994141b99f73 R09: ffffffff9de6cc80 [ 13.537466] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 13.537510] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 13.537556] FS: 00007fd909968800(0000) GS:ffff9941e06da000(0000) knlGS:0000000000000000 [ 13.537606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.537648] CR2: 0000000000000000 CR3: 00000000074fa003 CR4: 0000000000772ef0 [ 13.537697] PKRU: 55555554 [ 13.537712] note: ip[657] exited with irqs disabled [ 13.537889] ip (657) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr