[ 2.543349] gre: GRE over IPv4 demultiplexer driver [ 2.544788] ip_gre: GRE over IPv4 tunneling driver [ 2.571479] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.571554] #PF: supervisor write access in kernel mode [ 2.571597] #PF: error_code(0x0002) - not-present page [ 2.571643] PGD 4c13067 P4D 4c13067 PUD 3024067 PMD 0 [ 2.571693] Oops: Oops: 0002 [#1] SMP [ 2.571729] CPU: 1 UID: 0 PID: 308 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.571813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.571870] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.571922] 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 [ 2.572080] RSP: 0018:ffffb95140273628 EFLAGS: 00010046 [ 2.572125] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.572193] RDX: ffffb95140273660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.572261] RBP: ffffb95140273660 R08: 0000000000000800 R09: 0000000000000001 [ 2.572329] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000000 [ 2.572396] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.572465] FS: 00007f141a547800(0000) GS:ffff95be8d85a000(0000) knlGS:0000000000000000 [ 2.572538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.572593] CR2: 0000000000000000 CR3: 0000000005f1f002 CR4: 0000000000772ef0 [ 2.572662] PKRU: 55555554 [ 2.572683] Call Trace: [ 2.572707] [ 2.572731] __cancel_work+0x29/0xe0 [ 2.572769] ? dev_deactivate_many+0x2c9/0x300 [ 2.572814] __cancel_work_sync+0x16/0x80 [ 2.572855] __dev_close_many+0x11b/0x280 [ 2.572896] __dev_change_flags+0xed/0x220 [ 2.572936] netif_change_flags+0x25/0x60 [ 2.572969] dev_change_flags+0x40/0x80 [ 2.573004] cycle_netdev+0x36/0x70 [vrf] [ 2.573037] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.573071] do_set_master+0x10b/0x170 [ 2.573105] do_setlink.constprop.0+0x320/0x1120 [ 2.573157] ? __nla_validate_parse+0x5d/0xe70 [ 2.573208] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.573260] rtnl_newlink+0x7fa/0xbc0 [ 2.573294] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.573346] ? netdev_run_todo+0x63/0x550 [ 2.573380] ? rtnl_setlink+0x2c0/0x2c0 [ 2.573414] rtnetlink_rcv_msg+0x358/0x400 [ 2.573446] ? get_page_from_freelist+0x15b4/0x1770 [ 2.573491] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.573537] netlink_rcv_skb+0x57/0x100 [ 2.573572] netlink_unicast+0x252/0x380 [ 2.573605] ? __alloc_skb+0xfc/0x1e0 [ 2.573645] netlink_sendmsg+0x1be/0x3e0 [ 2.573679] ____sys_sendmsg+0x132/0x260 [ 2.573719] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.573765] ___sys_sendmsg+0x87/0xd0 [ 2.573805] ? do_wp_page+0x369/0xe90 [ 2.573845] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.573897] ? fsnotify_grab_connector+0x48/0x80 [ 2.573948] ? fsnotify_destroy_marks+0x29/0x150 [ 2.573994] __sys_sendmsg+0x71/0xd0 [ 2.574028] do_syscall_64+0xa4/0xfd0 [ 2.574068] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.574114] RIP: 0033:0x7f141a7151d7 [ 2.574154] 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 [ 2.574312] RSP: 002b:00007fffb1061e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.574379] RAX: ffffffffffffffda RBX: 00007fffb10625c0 RCX: 00007f141a7151d7 [ 2.574447] RDX: 0000000000000000 RSI: 00007fffb1061f00 RDI: 0000000000000005 [ 2.574514] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.574581] R10: 0000000033ee2910 R11: 0000000000000246 R12: 0000000000000003 [ 2.574649] R13: 00000000691cd355 R14: 0000000000499600 R15: 0000000000000000 [ 2.574718] [ 2.574739] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.574804] CR2: 0000000000000000 [ 2.574837] ---[ end trace 0000000000000000 ]--- [ 2.574882] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.574928] 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 [ 2.575087] RSP: 0018:ffffb95140273628 EFLAGS: 00010046 [ 2.575132] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.575200] RDX: ffffb95140273660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.575267] RBP: ffffb95140273660 R08: 0000000000000800 R09: 0000000000000001 [ 2.575335] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000000000 [ 2.575403] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.575471] FS: 00007f141a547800(0000) GS:ffff95be8d85a000(0000) knlGS:0000000000000000 [ 2.575539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.575594] CR2: 0000000000000000 CR3: 0000000005f1f002 CR4: 0000000000772ef0 [ 2.575663] PKRU: 55555554 [ 2.575684] note: ip[308] exited with irqs disabled [ 2.575981] ip (308) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr