[ 1.866192] ip (247) used greatest stack depth: 12408 bytes left [ 2.057622] ip (256) used greatest stack depth: 12328 bytes left [ 2.258326] 8021q: 802.1Q VLAN Support v1.8 [ 2.527227] br1: port 1(veth1) entered blocking state [ 2.527307] br1: port 1(veth1) entered disabled state [ 2.527381] veth1: entered allmulticast mode [ 2.527462] veth1: entered promiscuous mode [ 2.539582] br1: port 1(veth1) entered blocking state [ 2.539645] br1: port 1(veth1) entered forwarding state [ 15.736290] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 15.736365] #PF: supervisor write access in kernel mode [ 15.736406] #PF: error_code(0x0002) - not-present page [ 15.736446] PGD 49e1067 P4D 49e1067 PUD 35a5067 PMD 0 [ 15.736488] Oops: Oops: 0002 [#1] SMP [ 15.736519] CPU: 3 UID: 0 PID: 434 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 15.736588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.736639] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 15.736690] 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 [ 15.736815] RSP: 0018:ffffaa08408eb610 EFLAGS: 00010046 [ 15.736851] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 15.736899] RDX: ffffaa08408eb648 RSI: 0000000000000000 RDI: 0000000000000000 [ 15.736953] RBP: ffffaa08408eb648 R08: ffff8917c1398873 R09: 0000000000000002 [ 15.737001] R10: ffff8917feda8640 R11: ffff8917c1398090 R12: 0000000000000000 [ 15.737048] R13: ffffaa08408eb740 R14: 0000000000000020 R15: 00000000ffffffff [ 15.737098] FS: 00007f0c4b5de800(0000) GS:ffff891866b5a000(0000) knlGS:0000000000000000 [ 15.737151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.737196] CR2: 0000000000000000 CR3: 00000000037b9005 CR4: 0000000000772ef0 [ 15.737245] PKRU: 55555554 [ 15.737261] Call Trace: [ 15.737279] [ 15.737302] __cancel_work+0x29/0xe0 [ 15.737344] ? queue_delayed_work_on+0x54/0x60 [ 15.737380] __cancel_work_sync+0x16/0x80 [ 15.737411] __dev_close_many+0x11b/0x280 [ 15.737446] netif_close_many+0x98/0x160 [ 15.737475] unregister_netdevice_many_notify+0x1d8/0xa50 [ 15.737513] ? vlan_vid_del+0xfc/0x180 [ 15.737545] rtnl_dellink+0x156/0x350 [ 15.737581] ? virtio_fs_enqueue_req+0x352/0x570 [ 15.737620] ? netdev_run_todo+0x63/0x550 [ 15.737650] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 15.737688] rtnetlink_rcv_msg+0x358/0x400 [ 15.737720] ? get_page_from_freelist+0x15b4/0x1770 [ 15.737761] ? rtnl_calcit.isra.0+0x110/0x110 [ 15.737793] netlink_rcv_skb+0x57/0x100 [ 15.737824] netlink_unicast+0x252/0x380 [ 15.737853] ? __alloc_skb+0xfc/0x1e0 [ 15.737883] netlink_sendmsg+0x1be/0x3e0 [ 15.737914] ____sys_sendmsg+0x132/0x260 [ 15.737943] ? copy_msghdr_from_user+0x6c/0xa0 [ 15.737982] ___sys_sendmsg+0x87/0xd0 [ 15.738012] ? do_wp_page+0x369/0xe90 [ 15.738041] ? ___pte_offset_map+0x1b/0xd0 [ 15.738071] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 15.738113] ? fsnotify_grab_connector+0x48/0x80 [ 15.738150] ? fsnotify_destroy_marks+0x29/0x150 [ 15.738189] __sys_sendmsg+0x71/0xd0 [ 15.738219] do_syscall_64+0xa4/0xfd0 [ 15.738251] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.738288] RIP: 0033:0x7f0c4b7ac1d7 [ 15.738327] 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 [ 15.738445] RSP: 002b:00007ffd06307388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 15.738498] RAX: ffffffffffffffda RBX: 00007ffd06307ab0 RCX: 00007f0c4b7ac1d7 [ 15.738547] RDX: 0000000000000000 RSI: 00007ffd063073f0 RDI: 0000000000000005 [ 15.738597] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 15.738646] R10: 00007f0c4b6a8f60 R11: 0000000000000246 R12: 0000000000000002 [ 15.738695] R13: 00000000691cc4b7 R14: 0000000000499600 R15: 0000000000000000 [ 15.738744] [ 15.738759] Modules linked in: bridge stp llc 8021q vrf veth [ 15.738809] CR2: 0000000000000000 [ 15.738837] ---[ end trace 0000000000000000 ]--- [ 15.738869] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 15.738908] 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 [ 15.739024] RSP: 0018:ffffaa08408eb610 EFLAGS: 00010046 [ 15.739062] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 15.739109] RDX: ffffaa08408eb648 RSI: 0000000000000000 RDI: 0000000000000000 [ 15.739154] RBP: ffffaa08408eb648 R08: ffff8917c1398873 R09: 0000000000000002 [ 15.739202] R10: ffff8917feda8640 R11: ffff8917c1398090 R12: 0000000000000000 [ 15.739256] R13: ffffaa08408eb740 R14: 0000000000000020 R15: 00000000ffffffff [ 15.739310] FS: 00007f0c4b5de800(0000) GS:ffff891866b5a000(0000) knlGS:0000000000000000 [ 15.739369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.739413] CR2: 0000000000000000 CR3: 00000000037b9005 CR4: 0000000000772ef0 [ 15.739463] PKRU: 55555554 [ 15.739484] note: ip[434] exited with irqs disabled [ 15.739676] ip (434) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr