[ 2.279081] GACT probability NOT on [ 2.280255] tc (298) used greatest stack depth: 11840 bytes left [ 2.462534] br1: port 1(veth1) entered blocking state [ 2.462602] br1: port 1(veth1) entered disabled state [ 2.462661] veth1: entered allmulticast mode [ 2.462747] veth1: entered promiscuous mode [ 2.487129] br1: port 1(veth1) entered blocking state [ 2.487231] br1: port 1(veth1) entered forwarding state [ 7.694349] br1: port 2(vx1) entered blocking state [ 7.694502] br1: port 2(vx1) entered disabled state [ 7.694603] vx1: entered allmulticast mode [ 7.694709] vx1: entered promiscuous mode [ 7.694791] br1: port 2(vx1) entered blocking state [ 7.694869] br1: port 2(vx1) entered forwarding state [ 16.460667] vx1: left allmulticast mode [ 16.460743] vx1: left promiscuous mode [ 16.460793] br1: port 2(vx1) entered disabled state [ 16.482531] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 16.482658] #PF: supervisor write access in kernel mode [ 16.482707] #PF: error_code(0x0002) - not-present page [ 16.482755] PGD 9e43067 P4D 9e43067 PUD 9de9067 PMD 0 [ 16.482808] Oops: Oops: 0002 [#1] SMP [ 16.482850] CPU: 3 UID: 0 PID: 2356 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 16.482944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.483004] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.483065] 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 [ 16.483228] RSP: 0018:ffffad5902c63610 EFLAGS: 00010046 [ 16.483278] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 16.483348] RDX: ffffad5902c63648 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.483416] RBP: ffffad5902c63648 R08: 0000000000000006 R09: 0000000000000132 [ 16.483486] R10: ffff91367edaca00 R11: 0000000000000011 R12: 0000000000000000 [ 16.483563] R13: ffffad5902c63740 R14: 0000000000000020 R15: 00000000ffffffff [ 16.483640] FS: 00007f028a1c8800(0000) GS:ffff9136d2d5a000(0000) knlGS:0000000000000000 [ 16.483719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.483784] CR2: 0000000000000000 CR3: 0000000009cca006 CR4: 0000000000772ef0 [ 16.483858] PKRU: 55555554 [ 16.483887] Call Trace: [ 16.483920] [ 16.483950] __cancel_work+0x29/0xe0 [ 16.483997] __cancel_work_sync+0x16/0x80 [ 16.484033] __dev_close_many+0x11b/0x280 [ 16.484082] netif_close_many+0x98/0x160 [ 16.484124] ? rtnl_is_locked+0x15/0x20 [ 16.484166] unregister_netdevice_many_notify+0x1d8/0xa50 [ 16.484219] rtnl_dellink+0x156/0x350 [ 16.484267] ? virtio_fs_enqueue_req+0x352/0x570 [ 16.484324] ? netdev_run_todo+0x63/0x550 [ 16.484373] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 16.484422] rtnetlink_rcv_msg+0x358/0x400 [ 16.484464] ? get_page_from_freelist+0x15b4/0x1770 [ 16.484526] ? rtnl_calcit.isra.0+0x110/0x110 [ 16.484580] netlink_rcv_skb+0x57/0x100 [ 16.484624] netlink_unicast+0x252/0x380 [ 16.484667] ? __alloc_skb+0xfc/0x1e0 [ 16.484712] netlink_sendmsg+0x1be/0x3e0 [ 16.484755] ____sys_sendmsg+0x132/0x260 [ 16.484797] ? copy_msghdr_from_user+0x6c/0xa0 [ 16.484851] ___sys_sendmsg+0x87/0xd0 [ 16.484898] ? do_wp_page+0x369/0xe90 [ 16.484945] ? ___pte_offset_map+0x1b/0xd0 [ 16.484989] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 16.485047] ? fsnotify_grab_connector+0x48/0x80 [ 16.485105] ? fsnotify_destroy_marks+0x29/0x150 [ 16.485161] __sys_sendmsg+0x71/0xd0 [ 16.485207] do_syscall_64+0xa4/0xfd0 [ 16.485250] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.485306] RIP: 0033:0x7f028a3961d7 [ 16.485348] 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 [ 16.485523] RSP: 002b:00007ffcae6fe618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 16.485599] RAX: ffffffffffffffda RBX: 00007ffcae6fed40 RCX: 00007f028a3961d7 [ 16.485672] RDX: 0000000000000000 RSI: 00007ffcae6fe680 RDI: 0000000000000005 [ 16.485750] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 16.485822] R10: 00007f028a292f60 R11: 0000000000000246 R12: 0000000000000002 [ 16.485899] R13: 00000000691cbdd1 R14: 0000000000499600 R15: 0000000000000000 [ 16.485978] [ 16.486008] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 16.486126] CR2: 0000000000000000 [ 16.486161] ---[ end trace 0000000000000000 ]--- [ 16.486207] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.486262] 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 [ 16.486423] RSP: 0018:ffffad5902c63610 EFLAGS: 00010046 [ 16.486474] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 16.486546] RDX: ffffad5902c63648 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.486624] RBP: ffffad5902c63648 R08: 0000000000000006 R09: 0000000000000132 [ 16.486695] R10: ffff91367edaca00 R11: 0000000000000011 R12: 0000000000000000 [ 16.486768] R13: ffffad5902c63740 R14: 0000000000000020 R15: 00000000ffffffff [ 16.486842] FS: 00007f028a1c8800(0000) GS:ffff9136d2d5a000(0000) knlGS:0000000000000000 [ 16.486917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.486981] CR2: 0000000000000000 CR3: 0000000009cca006 CR4: 0000000000772ef0 [ 16.487061] PKRU: 55555554 [ 16.487087] note: ip[2356] exited with irqs disabled [ 16.487422] ip (2356) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr