[ 2.746781] 8021q: 802.1Q VLAN Support v1.8 [ 2.799218] gre: GRE over IPv4 demultiplexer driver [ 2.805974] ip6_gre: GRE over IPv6 tunneling driver [ 2.833197] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.833268] #PF: supervisor write access in kernel mode [ 2.833313] #PF: error_code(0x0002) - not-present page [ 2.833355] PGD 6ba2067 P4D 6ba2067 PUD 6ba5067 PMD 0 [ 2.833405] Oops: Oops: 0002 [#1] SMP [ 2.833439] CPU: 0 UID: 0 PID: 354 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.833506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.833559] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.833610] 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 [ 2.833742] RSP: 0018:ffffa6380027b628 EFLAGS: 00010046 [ 2.833785] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.833856] RDX: ffffa6380027b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.833920] RBP: ffffa6380027b660 R08: ffffffffa7862a60 R09: 0000000000000101 [ 2.833973] R10: ffffffffa80080d8 R11: ffffa63800003ff8 R12: 0000000000000000 [ 2.834028] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.834088] FS: 00007f3fd067a800(0000) GS:ffff9083163da000(0000) knlGS:0000000000000000 [ 2.834160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.834213] CR2: 0000000000000000 CR3: 0000000006b36001 CR4: 0000000000772ef0 [ 2.834273] PKRU: 55555554 [ 2.834301] Call Trace: [ 2.834332] [ 2.834358] __cancel_work+0x29/0xe0 [ 2.834399] ? dev_deactivate_many+0x2c9/0x300 [ 2.834443] __cancel_work_sync+0x16/0x80 [ 2.834478] __dev_close_many+0x11b/0x280 [ 2.834517] __dev_change_flags+0xed/0x220 [ 2.834551] netif_change_flags+0x25/0x60 [ 2.834584] dev_change_flags+0x40/0x80 [ 2.834618] cycle_netdev+0x36/0x70 [vrf] [ 2.834656] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.834691] do_set_master+0x10b/0x170 [ 2.834726] do_setlink.constprop.0+0x320/0x1120 [ 2.834767] ? __nla_validate_parse+0x5d/0xe70 [ 2.834817] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.834865] rtnl_newlink+0x7fa/0xbc0 [ 2.834907] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.834954] ? __rtnl_unlock+0x37/0x60 [ 2.834987] ? netdev_run_todo+0x63/0x550 [ 2.835022] ? rtnl_setlink+0x2c0/0x2c0 [ 2.835056] rtnetlink_rcv_msg+0x358/0x400 [ 2.835095] ? get_page_from_freelist+0x15b4/0x1770 [ 2.835146] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.835227] netlink_rcv_skb+0x57/0x100 [ 2.835271] netlink_unicast+0x252/0x380 [ 2.835304] ? __alloc_skb+0xfc/0x1e0 [ 2.835353] netlink_sendmsg+0x1be/0x3e0 [ 2.835394] ____sys_sendmsg+0x132/0x260 [ 2.835426] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.835470] ___sys_sendmsg+0x87/0xd0 [ 2.835504] ? ___sys_recvmsg+0x87/0xc0 [ 2.835538] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.835617] ? fsnotify_grab_connector+0x48/0x80 [ 2.835676] ? fsnotify_destroy_marks+0x29/0x150 [ 2.835711] __sys_sendmsg+0x71/0xd0 [ 2.835748] do_syscall_64+0xa4/0xfd0 [ 2.835793] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.835846] RIP: 0033:0x7f3fd08481d7 [ 2.835885] 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 [ 2.836011] RSP: 002b:00007fffb9b997e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.836072] RAX: ffffffffffffffda RBX: 00007fffb9b99f10 RCX: 00007f3fd08481d7 [ 2.836131] RDX: 0000000000000000 RSI: 00007fffb9b99850 RDI: 0000000000000005 [ 2.836184] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.836237] R10: 000000000d93b910 R11: 0000000000000246 R12: 0000000000000004 [ 2.836290] R13: 00000000691cc7bb R14: 0000000000499600 R15: 0000000000000000 [ 2.836346] [ 2.836363] Modules linked in: ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth [ 2.836432] CR2: 0000000000000000 [ 2.836461] ---[ end trace 0000000000000000 ]--- [ 2.836505] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.836559] 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 [ 2.836728] RSP: 0018:ffffa6380027b628 EFLAGS: 00010046 [ 2.836795] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.836874] RDX: ffffa6380027b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.836931] RBP: ffffa6380027b660 R08: ffffffffa7862a60 R09: 0000000000000101 [ 2.836986] R10: ffffffffa80080d8 R11: ffffa63800003ff8 R12: 0000000000000000 [ 2.837048] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.837103] FS: 00007f3fd067a800(0000) GS:ffff9083163da000(0000) knlGS:0000000000000000 [ 2.837163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.837214] CR2: 0000000000000000 CR3: 0000000006b36001 CR4: 0000000000772ef0 [ 2.837275] PKRU: 55555554 [ 2.837299] note: ip[354] exited with irqs disabled [ 2.837602] ip (354) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr