[ 1.917148] ip (248) used greatest stack depth: 12328 bytes left [ 2.459883] 8021q: 802.1Q VLAN Support v1.8 [ 2.554332] gre: GRE over IPv4 demultiplexer driver [ 2.556282] ip_gre: GRE over IPv4 tunneling driver [ 2.581922] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.581993] #PF: supervisor write access in kernel mode [ 2.582029] #PF: error_code(0x0002) - not-present page [ 2.582068] PGD 70a0067 P4D 70a0067 PUD 71d1067 PMD 0 [ 2.582116] Oops: Oops: 0002 [#1] SMP [ 2.582144] CPU: 2 UID: 0 PID: 317 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.582228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.582279] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.582323] 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 [ 2.582444] RSP: 0000:ffffb6fa802c3628 EFLAGS: 00010046 [ 2.582489] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.582548] RDX: ffffb6fa802c3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.582605] RBP: ffffb6fa802c3660 R08: ffffffffb1462a60 R09: 0000000000000101 [ 2.582652] R10: ffffffffb1c080d8 R11: ffffb6fa80110ff8 R12: 0000000000000000 [ 2.582704] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.582752] FS: 00007f4a5e01b800(0000) GS:ffff93f18c8da000(0000) knlGS:0000000000000000 [ 2.582806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.582845] CR2: 0000000000000000 CR3: 00000000088a3005 CR4: 0000000000772ef0 [ 2.582896] PKRU: 55555554 [ 2.582912] Call Trace: [ 2.582935] [ 2.582959] __cancel_work+0x29/0xe0 [ 2.582994] ? dev_deactivate_many+0x2c9/0x300 [ 2.583039] __cancel_work_sync+0x16/0x80 [ 2.583068] __dev_close_many+0x11b/0x280 [ 2.583097] __dev_change_flags+0xed/0x220 [ 2.583126] netif_change_flags+0x25/0x60 [ 2.583157] dev_change_flags+0x40/0x80 [ 2.583188] cycle_netdev+0x36/0x70 [vrf] [ 2.583221] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.583255] do_set_master+0x10b/0x170 [ 2.583286] do_setlink.constprop.0+0x320/0x1120 [ 2.583322] ? __nla_validate_parse+0x5d/0xe70 [ 2.583363] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.583402] rtnl_newlink+0x7fa/0xbc0 [ 2.583431] ? virtio_fs_enqueue_req+0x32c/0x570 [ 2.583477] ? __rtnl_unlock+0x37/0x60 [ 2.583507] ? netdev_run_todo+0x63/0x550 [ 2.583536] ? rtnl_setlink+0x2c0/0x2c0 [ 2.583565] rtnetlink_rcv_msg+0x358/0x400 [ 2.583596] ? get_page_from_freelist+0x15b4/0x1770 [ 2.583639] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.583675] netlink_rcv_skb+0x57/0x100 [ 2.583705] netlink_unicast+0x252/0x380 [ 2.583733] ? __alloc_skb+0xfc/0x1e0 [ 2.583773] netlink_sendmsg+0x1be/0x3e0 [ 2.583802] ____sys_sendmsg+0x132/0x260 [ 2.583833] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.583876] ___sys_sendmsg+0x87/0xd0 [ 2.583905] ? ___sys_recvmsg+0x87/0xc0 [ 2.583934] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.583970] ? fsnotify_grab_connector+0x48/0x80 [ 2.584006] ? fsnotify_destroy_marks+0x29/0x150 [ 2.584062] __sys_sendmsg+0x71/0xd0 [ 2.584101] do_syscall_64+0xa4/0xfd0 [ 2.584134] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.584172] RIP: 0033:0x7f4a5e1e91d7 [ 2.584208] 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 [ 2.584333] RSP: 002b:00007ffdac8ba5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.584391] RAX: ffffffffffffffda RBX: 00007ffdac8bad00 RCX: 00007f4a5e1e91d7 [ 2.584439] RDX: 0000000000000000 RSI: 00007ffdac8ba640 RDI: 0000000000000005 [ 2.584496] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.584555] R10: 0000000002ffb910 R11: 0000000000000246 R12: 0000000000000004 [ 2.584611] R13: 00000000691cc612 R14: 0000000000499600 R15: 0000000000000000 [ 2.584664] [ 2.584685] Modules linked in: ip_gre gre 8021q vrf veth [ 2.584723] CR2: 0000000000000000 [ 2.584750] ---[ end trace 0000000000000000 ]--- [ 2.584782] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.584819] 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 [ 2.584952] RSP: 0000:ffffb6fa802c3628 EFLAGS: 00010046 [ 2.584989] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.585044] RDX: ffffb6fa802c3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.585100] RBP: ffffb6fa802c3660 R08: ffffffffb1462a60 R09: 0000000000000101 [ 2.585146] R10: ffffffffb1c080d8 R11: ffffb6fa80110ff8 R12: 0000000000000000 [ 2.585214] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.585274] FS: 00007f4a5e01b800(0000) GS:ffff93f18c8da000(0000) knlGS:0000000000000000 [ 2.585336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.585381] CR2: 0000000000000000 CR3: 00000000088a3005 CR4: 0000000000772ef0 [ 2.585435] PKRU: 55555554 [ 2.585456] note: ip[317] exited with irqs disabled [ 2.585705] ip (317) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr