[ 2.564708] gre: GRE over IPv4 demultiplexer driver [ 2.566424] ip_gre: GRE over IPv4 tunneling driver [ 2.594016] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.594086] #PF: supervisor write access in kernel mode [ 2.594133] #PF: error_code(0x0002) - not-present page [ 2.594167] PGD 830f067 P4D 830f067 PUD 8310067 PMD 0 [ 2.594209] Oops: Oops: 0002 [#1] SMP [ 2.594240] CPU: 0 UID: 0 PID: 309 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.594301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.594343] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.594388] 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 [ 2.594511] RSP: 0018:ffffa2eec05e7628 EFLAGS: 00010046 [ 2.594550] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.594598] RDX: ffffa2eec05e7660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.594649] RBP: ffffa2eec05e7660 R08: 0000000000000000 R09: 0000000000000001 [ 2.594711] R10: 0000000000000001 R11: 000000000000000b R12: 0000000000000000 [ 2.594776] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.594835] FS: 00007f154a394800(0000) GS:ffff8bcc1d3da000(0000) knlGS:0000000000000000 [ 2.594904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.594964] CR2: 0000000000000000 CR3: 0000000008261006 CR4: 0000000000772ef0 [ 2.595020] PKRU: 55555554 [ 2.595036] Call Trace: [ 2.595056] [ 2.595081] __cancel_work+0x29/0xe0 [ 2.595112] ? dev_deactivate_many+0x2c9/0x300 [ 2.595152] __cancel_work_sync+0x16/0x80 [ 2.595181] __dev_close_many+0x11b/0x280 [ 2.595209] __dev_change_flags+0xed/0x220 [ 2.595240] netif_change_flags+0x25/0x60 [ 2.595271] dev_change_flags+0x40/0x80 [ 2.595300] cycle_netdev+0x36/0x70 [vrf] [ 2.595331] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.595361] do_set_master+0x10b/0x170 [ 2.595396] do_setlink.constprop.0+0x320/0x1120 [ 2.595435] ? __nla_validate_parse+0x5d/0xe70 [ 2.595475] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.595517] rtnl_newlink+0x7fa/0xbc0 [ 2.595549] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.595586] ? netdev_run_todo+0x63/0x550 [ 2.595616] ? rtnl_setlink+0x2c0/0x2c0 [ 2.595641] rtnetlink_rcv_msg+0x358/0x400 [ 2.595667] ? get_page_from_freelist+0x15b4/0x1770 [ 2.595714] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.595747] netlink_rcv_skb+0x57/0x100 [ 2.595782] netlink_unicast+0x252/0x380 [ 2.595812] ? __alloc_skb+0xfc/0x1e0 [ 2.595842] netlink_sendmsg+0x1be/0x3e0 [ 2.595868] ____sys_sendmsg+0x132/0x260 [ 2.595913] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.595962] ___sys_sendmsg+0x87/0xd0 [ 2.596001] ? do_wp_page+0x369/0xe90 [ 2.596042] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.596079] ? fsnotify_grab_connector+0x48/0x80 [ 2.596117] ? fsnotify_destroy_marks+0x29/0x150 [ 2.596155] __sys_sendmsg+0x71/0xd0 [ 2.596185] do_syscall_64+0xa4/0xfd0 [ 2.596220] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.596257] RIP: 0033:0x7f154a5621d7 [ 2.596282] 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 [ 2.596399] RSP: 002b:00007ffeaf45bd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.596453] RAX: ffffffffffffffda RBX: 00007ffeaf45c470 RCX: 00007f154a5621d7 [ 2.596502] RDX: 0000000000000000 RSI: 00007ffeaf45bdb0 RDI: 0000000000000005 [ 2.596551] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.596599] R10: 00000000095d3910 R11: 0000000000000246 R12: 0000000000000003 [ 2.596655] R13: 00000000691cbeec R14: 0000000000499600 R15: 0000000000000000 [ 2.596714] [ 2.596730] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.596779] CR2: 0000000000000000 [ 2.596803] ---[ end trace 0000000000000000 ]--- [ 2.596836] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.596877] 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 [ 2.597001] RSP: 0018:ffffa2eec05e7628 EFLAGS: 00010046 [ 2.597036] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.597085] RDX: ffffa2eec05e7660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.597137] RBP: ffffa2eec05e7660 R08: 0000000000000000 R09: 0000000000000001 [ 2.597181] R10: 0000000000000001 R11: 000000000000000b R12: 0000000000000000 [ 2.597228] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.597285] FS: 00007f154a394800(0000) GS:ffff8bcc1d3da000(0000) knlGS:0000000000000000 [ 2.597338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.597387] CR2: 0000000000000000 CR3: 0000000008261006 CR4: 0000000000772ef0 [ 2.597442] PKRU: 55555554 [ 2.597466] note: ip[309] exited with irqs disabled [ 2.597694] ip (309) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr