[ 134.697643] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 134.697714] #PF: supervisor write access in kernel mode [ 134.697751] #PF: error_code(0x0002) - not-present page [ 134.697790] PGD 82ed067 P4D 82ed067 PUD 980f067 PMD 0 [ 134.697830] Oops: Oops: 0002 [#1] SMP [ 134.697861] CPU: 0 UID: 0 PID: 17199 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 134.697929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 134.697977] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 134.698023] 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 [ 134.698142] RSP: 0018:ffffae918ed2b6b8 EFLAGS: 00010046 [ 134.698176] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 134.698225] RDX: ffffae918ed2b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 134.698281] RBP: ffffae918ed2b6f0 R08: ffff896881393673 R09: ffffffff8de6cc80 [ 134.698336] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 134.698385] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 134.698437] FS: 00007f9620874800(0000) GS:ffff8969305da000(0000) knlGS:0000000000000000 [ 134.698492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 134.698546] CR2: 0000000000000000 CR3: 000000000877c002 CR4: 0000000000772ef0 [ 134.698597] PKRU: 55555554 [ 134.698612] Call Trace: [ 134.698637] [ 134.698661] __cancel_work+0x29/0xe0 [ 134.698695] ? linkwatch_urgent_event+0x2f/0xb0 [ 134.698741] __cancel_work_sync+0x16/0x80 [ 134.698773] __dev_close_many+0x11b/0x280 [ 134.698808] __dev_change_flags+0xed/0x220 [ 134.698839] netif_change_flags+0x25/0x60 [ 134.698870] do_setlink.constprop.0+0x2fe/0x1120 [ 134.698913] ? __nla_validate_parse+0x5d/0xe70 [ 134.698952] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 134.698996] rtnl_newlink+0x7fa/0xbc0 [ 134.699027] ? virtio_fs_enqueue_req+0x352/0x570 [ 134.699071] ? netdev_run_todo+0x63/0x550 [ 134.699100] ? rtnl_setlink+0x2c0/0x2c0 [ 134.699126] rtnetlink_rcv_msg+0x358/0x400 [ 134.699157] ? get_page_from_freelist+0x15b4/0x1770 [ 134.699195] ? rtnl_calcit.isra.0+0x110/0x110 [ 134.699228] netlink_rcv_skb+0x57/0x100 [ 134.699261] netlink_unicast+0x252/0x380 [ 134.699293] ? __alloc_skb+0xfc/0x1e0 [ 134.699323] netlink_sendmsg+0x1be/0x3e0 [ 134.699354] ____sys_sendmsg+0x132/0x260 [ 134.699385] ? copy_msghdr_from_user+0x6c/0xa0 [ 134.699422] ___sys_sendmsg+0x87/0xd0 [ 134.699448] ? do_wp_page+0x369/0xe90 [ 134.699482] ? ___pte_offset_map+0x1b/0xd0 [ 134.699513] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 134.699565] ? fsnotify_grab_connector+0x48/0x80 [ 134.699604] ? fsnotify_destroy_marks+0x29/0x150 [ 134.699649] __sys_sendmsg+0x71/0xd0 [ 134.699681] do_syscall_64+0xa4/0xfd0 [ 134.699712] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 134.699751] RIP: 0033:0x7f9620a421d7 [ 134.699782] 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 [ 134.699903] RSP: 002b:00007ffce90b93a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 134.699959] RAX: ffffffffffffffda RBX: 00007ffce90b9ad0 RCX: 00007f9620a421d7 [ 134.700013] RDX: 0000000000000000 RSI: 00007ffce90b9410 RDI: 0000000000000005 [ 134.700062] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 134.700111] R10: 00007f962093ef60 R11: 0000000000000246 R12: 0000000000000003 [ 134.700163] R13: 00000000691ccecc R14: 0000000000499600 R15: 0000000000000000 [ 134.700214] [ 134.700236] Modules linked in: vrf veth [ 134.700268] CR2: 0000000000000000 [ 134.700298] ---[ end trace 0000000000000000 ]--- [ 134.700335] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 134.700375] 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 [ 134.700491] RSP: 0018:ffffae918ed2b6b8 EFLAGS: 00010046 [ 134.700524] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 134.700588] RDX: ffffae918ed2b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 134.700653] RBP: ffffae918ed2b6f0 R08: ffff896881393673 R09: ffffffff8de6cc80 [ 134.700702] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 134.700752] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 134.700803] FS: 00007f9620874800(0000) GS:ffff8969305da000(0000) knlGS:0000000000000000 [ 134.700859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 134.700906] CR2: 0000000000000000 CR3: 000000000877c002 CR4: 0000000000772ef0 [ 134.700957] PKRU: 55555554 [ 134.700978] note: ip[17199] exited with irqs disabled [ 134.701174] ip (17199) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr