[ 2.344735] link0: entered promiscuous mode [ 3.347609] link0: left promiscuous mode [ 3.405751] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3.405826] #PF: supervisor write access in kernel mode [ 3.405864] #PF: error_code(0x0002) - not-present page [ 3.405910] PGD 3f45067 P4D 3f45067 PUD 3f2d067 PMD 0 [ 3.405949] Oops: Oops: 0002 [#1] SMP [ 3.405988] CPU: 2 UID: 0 PID: 286 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 3.406055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.406100] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.406145] 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 [ 3.406282] RSP: 0018:ffffb3ce006c7610 EFLAGS: 00010046 [ 3.406326] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 3.406388] RDX: ffffb3ce006c7648 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.406450] RBP: ffffb3ce006c7648 R08: ffffffff89293e00 R09: 0000000000000101 [ 3.406510] R10: ffffffff89e080d8 R11: ffffb3ce00110ff8 R12: 0000000000000000 [ 3.406588] R13: ffffb3ce006c7740 R14: 0000000000000020 R15: 00000000ffffffff [ 3.406644] FS: 00007f29692b4800(0000) GS:ffff938df4691000(0000) knlGS:0000000000000000 [ 3.406702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.406755] CR2: 0000000000000000 CR3: 0000000003fa3003 CR4: 0000000000772ef0 [ 3.406811] PKRU: 55555554 [ 3.406833] Call Trace: [ 3.406851] [ 3.406874] __cancel_work+0x29/0xe0 [ 3.406910] ? queue_delayed_work_on+0x54/0x60 [ 3.406947] __cancel_work_sync+0x16/0x80 [ 3.406985] __dev_close_many+0x113/0x2b0 [ 3.407022] netif_close_many+0x98/0x160 [ 3.407052] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 3.407089] ? unregister_netdevice_queue+0x29/0xe0 [ 3.407128] rtnl_dellink+0x156/0x350 [ 3.407165] ? virtio_fs_enqueue_req+0x352/0x570 [ 3.407212] ? netdev_run_todo+0x63/0x550 [ 3.407246] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 3.407292] rtnetlink_rcv_msg+0x358/0x400 [ 3.407325] ? get_page_from_freelist+0x15b4/0x1770 [ 3.407367] ? rtnl_calcit.isra.0+0x110/0x110 [ 3.407414] netlink_rcv_skb+0x57/0x100 [ 3.407449] netlink_unicast+0x252/0x380 [ 3.407478] ? __alloc_skb+0xfc/0x1e0 [ 3.407513] netlink_sendmsg+0x1be/0x3e0 [ 3.407544] ____sys_sendmsg+0x132/0x260 [ 3.407574] ? copy_msghdr_from_user+0x6c/0xa0 [ 3.407611] ___sys_sendmsg+0x87/0xd0 [ 3.407648] ? do_wp_page+0x369/0xe90 [ 3.407678] ? ___pte_offset_map+0x1b/0xd0 [ 3.407710] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 3.407760] ? fsnotify_grab_connector+0x48/0x80 [ 3.407799] ? fsnotify_destroy_marks+0x29/0x150 [ 3.407839] __sys_sendmsg+0x71/0xd0 [ 3.407871] do_syscall_64+0xa4/0xfd0 [ 3.407914] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 3.407952] RIP: 0033:0x7f29694821d7 [ 3.407990] 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 [ 3.408107] RSP: 002b:00007ffc9a88da28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3.408161] RAX: ffffffffffffffda RBX: 00007ffc9a88e160 RCX: 00007f29694821d7 [ 3.408224] RDX: 0000000000000000 RSI: 00007ffc9a88da90 RDI: 0000000000000005 [ 3.408290] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 3.408348] R10: 00007f296937e510 R11: 0000000000000246 R12: 0000000000000001 [ 3.408414] R13: 00000000691cd63b R14: 0000000000499600 R15: 0000000000000000 [ 3.408467] [ 3.408488] Modules linked in: [ 3.408519] CR2: 0000000000000000 [ 3.408549] ---[ end trace 0000000000000000 ]--- [ 3.408587] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.408626] 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 [ 3.408766] RSP: 0018:ffffb3ce006c7610 EFLAGS: 00010046 [ 3.408806] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 3.408860] RDX: ffffb3ce006c7648 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.408922] RBP: ffffb3ce006c7648 R08: ffffffff89293e00 R09: 0000000000000101 [ 3.408984] R10: ffffffff89e080d8 R11: ffffb3ce00110ff8 R12: 0000000000000000 [ 3.409045] R13: ffffb3ce006c7740 R14: 0000000000000020 R15: 00000000ffffffff [ 3.409100] FS: 00007f29692b4800(0000) GS:ffff938df4691000(0000) knlGS:0000000000000000 [ 3.409155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.409208] CR2: 0000000000000000 CR3: 0000000003fa3003 CR4: 0000000000772ef0 [ 3.409271] PKRU: 55555554 [ 3.409300] note: ip[286] exited with irqs disabled [ 3.409562] ip (286) used greatest stack depth: 11432 bytes left