[ 2.673577] openvswitch: Open vSwitch switching datapath [ 2.674503] modprobe (237) used greatest stack depth: 12568 bytes left [ 3.939461] netlink: 'python3': attribute type 2 has an invalid length. [ 3.939995] arpping: entered promiscuous mode [ 4.121084] ip (288) used greatest stack depth: 12168 bytes left [ 4.739048] c0: entered promiscuous mode [ 5.469620] s0: entered promiscuous mode [ 7.907013] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 7.907106] #PF: supervisor write access in kernel mode [ 7.907162] #PF: error_code(0x0002) - not-present page [ 7.907207] PGD 32cf067 P4D 32cf067 PUD 3749067 PMD 0 [ 7.907248] Oops: Oops: 0002 [#1] SMP [ 7.907280] CPU: 3 UID: 0 PID: 410 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 7.907340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.907380] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.907436] 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 [ 7.907562] RSP: 0018:ffffb18080747610 EFLAGS: 00010046 [ 7.907601] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.907655] RDX: ffffb18080747648 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.907702] RBP: ffffb18080747648 R08: ffff9962013a0873 R09: 0000000000000002 [ 7.907749] R10: ffff99623eda8840 R11: ffff9962013a0090 R12: 0000000000000000 [ 7.907799] R13: ffffb18080747740 R14: 0000000000000020 R15: 00000000ffffffff [ 7.907857] FS: 00007f641de61800(0000) GS:ffff9962a6b11000(0000) knlGS:0000000000000000 [ 7.907917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.907962] CR2: 0000000000000000 CR3: 000000000365a004 CR4: 0000000000772ef0 [ 7.908018] PKRU: 55555554 [ 7.908040] Call Trace: [ 7.908062] [ 7.908085] __cancel_work+0x29/0xe0 [ 7.908116] ? queue_delayed_work_on+0x54/0x60 [ 7.908155] __cancel_work_sync+0x16/0x80 [ 7.908185] __dev_close_many+0x113/0x2b0 [ 7.908229] netif_close_many+0x98/0x160 [ 7.908262] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 7.908303] ? unregister_netdevice_queue+0x29/0xe0 [ 7.908338] rtnl_dellink+0x156/0x350 [ 7.908378] ? virtio_fs_enqueue_req+0x352/0x570 [ 7.908424] ? netdev_run_todo+0x63/0x550 [ 7.908448] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 7.908485] rtnetlink_rcv_msg+0x358/0x400 [ 7.908523] ? get_page_from_freelist+0x15b4/0x1770 [ 7.908579] ? rtnl_calcit.isra.0+0x110/0x110 [ 7.908619] netlink_rcv_skb+0x57/0x100 [ 7.908658] netlink_unicast+0x252/0x380 [ 7.908688] ? __alloc_skb+0xfc/0x1e0 [ 7.908720] netlink_sendmsg+0x1be/0x3e0 [ 7.908751] ____sys_sendmsg+0x132/0x260 [ 7.908781] ? copy_msghdr_from_user+0x6c/0xa0 [ 7.908825] ___sys_sendmsg+0x87/0xd0 [ 7.908855] ? do_wp_page+0x369/0xe90 [ 7.908887] ? ___pte_offset_map+0x1b/0xd0 [ 7.908917] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 7.908966] ? fsnotify_grab_connector+0x48/0x80 [ 7.909012] ? fsnotify_destroy_marks+0x29/0x150 [ 7.909049] __sys_sendmsg+0x71/0xd0 [ 7.909081] do_syscall_64+0xa4/0xfd0 [ 7.909121] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.909162] RIP: 0033:0x7f641e02f1d7 [ 7.909192] 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 [ 7.909307] RSP: 002b:00007fffbb988148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.909380] RAX: ffffffffffffffda RBX: 00007fffbb988870 RCX: 00007f641e02f1d7 [ 7.909457] RDX: 0000000000000000 RSI: 00007fffbb9881b0 RDI: 0000000000000005 [ 7.909531] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 7.909591] R10: 00007f641df2bf60 R11: 0000000000000246 R12: 0000000000000001 [ 7.909641] R13: 00000000691cba66 R14: 0000000000499600 R15: 0000000000000000 [ 7.909692] [ 7.909715] Modules linked in: openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh [ 7.909788] CR2: 0000000000000000 [ 7.909816] ---[ end trace 0000000000000000 ]--- [ 7.909854] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.909893] 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 [ 7.910012] RSP: 0018:ffffb18080747610 EFLAGS: 00010046 [ 7.910053] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.910102] RDX: ffffb18080747648 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.910152] RBP: ffffb18080747648 R08: ffff9962013a0873 R09: 0000000000000002 [ 7.910208] R10: ffff99623eda8840 R11: ffff9962013a0090 R12: 0000000000000000 [ 7.910257] R13: ffffb18080747740 R14: 0000000000000020 R15: 00000000ffffffff [ 7.910308] FS: 00007f641de61800(0000) GS:ffff9962a6b11000(0000) knlGS:0000000000000000 [ 7.910368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.910413] CR2: 0000000000000000 CR3: 000000000365a004 CR4: 0000000000772ef0 [ 7.910488] PKRU: 55555554 [ 7.910513] note: ip[410] exited with irqs disabled [ 7.910742] ip (410) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr