[ 2.625734] gre: GRE over IPv4 demultiplexer driver [ 2.627204] ip_gre: GRE over IPv4 tunneling driver [ 2.656848] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.656950] #PF: supervisor write access in kernel mode [ 2.657001] #PF: error_code(0x0002) - not-present page [ 2.657055] PGD 2ebd067 P4D 2ebd067 PUD 5d3a067 PMD 0 [ 2.657123] Oops: Oops: 0002 [#1] SMP [ 2.657165] CPU: 0 UID: 0 PID: 323 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.657267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.657332] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.657395] 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 [ 2.657588] RSP: 0018:ffffb453c02b3628 EFLAGS: 00010046 [ 2.657654] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.657734] RDX: ffffb453c02b3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.657811] RBP: ffffb453c02b3660 R08: ffffffff85062a60 R09: 0000000000000101 [ 2.657893] R10: ffffffff858080d8 R11: ffffb453c0003ff8 R12: 0000000000000000 [ 2.657972] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.658060] FS: 00007fe8aeac6800(0000) GS:ffff978a38bda000(0000) knlGS:0000000000000000 [ 2.658145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.658216] CR2: 0000000000000000 CR3: 0000000005d88003 CR4: 0000000000772ef0 [ 2.658294] PKRU: 55555554 [ 2.658322] Call Trace: [ 2.658350] [ 2.658386] __cancel_work+0x29/0xe0 [ 2.658431] ? dev_deactivate_many+0x2c9/0x300 [ 2.658493] __cancel_work_sync+0x16/0x80 [ 2.658534] __dev_close_many+0x11b/0x280 [ 2.658582] __dev_change_flags+0xed/0x220 [ 2.658635] netif_change_flags+0x25/0x60 [ 2.658681] dev_change_flags+0x40/0x80 [ 2.658724] cycle_netdev+0x36/0x70 [vrf] [ 2.658771] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.658812] do_set_master+0x10b/0x170 [ 2.658857] do_setlink.constprop.0+0x320/0x1120 [ 2.658920] ? __nla_validate_parse+0x5d/0xe70 [ 2.658982] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.659042] rtnl_newlink+0x7fa/0xbc0 [ 2.659088] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.659152] ? __rtnl_unlock+0x37/0x60 [ 2.659192] ? netdev_run_todo+0x63/0x550 [ 2.659241] ? rtnl_setlink+0x2c0/0x2c0 [ 2.659289] rtnetlink_rcv_msg+0x358/0x400 [ 2.659337] ? get_page_from_freelist+0x15b4/0x1770 [ 2.659396] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.659452] netlink_rcv_skb+0x57/0x100 [ 2.659501] netlink_unicast+0x252/0x380 [ 2.659548] ? __alloc_skb+0xfc/0x1e0 [ 2.659596] netlink_sendmsg+0x1be/0x3e0 [ 2.659643] ____sys_sendmsg+0x132/0x260 [ 2.659696] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.659757] ___sys_sendmsg+0x87/0xd0 [ 2.659805] ? ___sys_recvmsg+0x87/0xc0 [ 2.659851] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.659909] ? fsnotify_grab_connector+0x48/0x80 [ 2.659965] ? fsnotify_destroy_marks+0x29/0x150 [ 2.660017] __sys_sendmsg+0x71/0xd0 [ 2.660067] do_syscall_64+0xa4/0xfd0 [ 2.660113] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.660173] RIP: 0033:0x7fe8aec941d7 [ 2.660220] 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 [ 2.660403] RSP: 002b:00007ffc18b5f058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.660489] RAX: ffffffffffffffda RBX: 00007ffc18b5f780 RCX: 00007fe8aec941d7 [ 2.660567] RDX: 0000000000000000 RSI: 00007ffc18b5f0c0 RDI: 0000000000000005 [ 2.660648] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.660730] R10: 000000000ad61910 R11: 0000000000000246 R12: 0000000000000004 [ 2.660809] R13: 00000000691cba95 R14: 0000000000499600 R15: 0000000000000000 [ 2.660889] [ 2.660914] Modules linked in: ip_gre gre vrf veth [ 2.660975] CR2: 0000000000000000 [ 2.661014] ---[ end trace 0000000000000000 ]--- [ 2.661067] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.661125] 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 [ 2.661312] RSP: 0018:ffffb453c02b3628 EFLAGS: 00010046 [ 2.661365] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.661445] RDX: ffffb453c02b3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.661525] RBP: ffffb453c02b3660 R08: ffffffff85062a60 R09: 0000000000000101 [ 2.661605] R10: ffffffff858080d8 R11: ffffb453c0003ff8 R12: 0000000000000000 [ 2.661680] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.661760] FS: 00007fe8aeac6800(0000) GS:ffff978a38bda000(0000) knlGS:0000000000000000 [ 2.661843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.661914] CR2: 0000000000000000 CR3: 0000000005d88003 CR4: 0000000000772ef0 [ 2.661995] PKRU: 55555554 [ 2.662018] note: ip[323] exited with irqs disabled [ 2.662555] ip (323) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr