[ 2.533397] 8021q: 802.1Q VLAN Support v1.8 [ 2.584177] gre: GRE over IPv4 demultiplexer driver [ 2.585594] ip_gre: GRE over IPv4 tunneling driver [ 2.608698] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.608795] #PF: supervisor write access in kernel mode [ 2.608842] #PF: error_code(0x0002) - not-present page [ 2.608888] PGD 53fc067 P4D 53fc067 PUD 53a7067 PMD 0 [ 2.608947] Oops: Oops: 0002 [#1] SMP [ 2.608990] CPU: 2 UID: 0 PID: 334 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.609077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.609134] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.609205] 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 [ 2.609371] RSP: 0018:ffffa99f402cb628 EFLAGS: 00010046 [ 2.609417] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.609495] RDX: ffffa99f402cb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.609571] RBP: ffffa99f402cb660 R08: ffffffffa1e62a60 R09: 0000000000000101 [ 2.609647] R10: ffffffffa26080d8 R11: ffffa99f40110ff8 R12: 0000000000000000 [ 2.609725] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.609804] FS: 00007f6223300800(0000) GS:ffff8dc35beda000(0000) knlGS:0000000000000000 [ 2.609885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.609946] CR2: 0000000000000000 CR3: 00000000053fe002 CR4: 0000000000772ef0 [ 2.610033] PKRU: 55555554 [ 2.610067] Call Trace: [ 2.610089] [ 2.610117] __cancel_work+0x29/0xe0 [ 2.610159] ? dev_deactivate_many+0x2c9/0x300 [ 2.610211] __cancel_work_sync+0x16/0x80 [ 2.610257] __dev_close_many+0x11b/0x280 [ 2.610304] __dev_change_flags+0xed/0x220 [ 2.610340] netif_change_flags+0x25/0x60 [ 2.610381] dev_change_flags+0x40/0x80 [ 2.610416] cycle_netdev+0x36/0x70 [vrf] [ 2.610459] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.610494] do_set_master+0x10b/0x170 [ 2.610530] do_setlink.constprop.0+0x320/0x1120 [ 2.610592] ? __nla_validate_parse+0x5d/0xe70 [ 2.610649] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.610712] rtnl_newlink+0x7fa/0xbc0 [ 2.610748] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.610798] ? __rtnl_unlock+0x37/0x60 [ 2.610840] ? netdev_run_todo+0x63/0x550 [ 2.610878] ? rtnl_setlink+0x2c0/0x2c0 [ 2.610914] rtnetlink_rcv_msg+0x358/0x400 [ 2.610952] ? get_page_from_freelist+0x15b4/0x1770 [ 2.611006] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.611055] netlink_rcv_skb+0x57/0x100 [ 2.611104] netlink_unicast+0x252/0x380 [ 2.611141] ? __alloc_skb+0xfc/0x1e0 [ 2.611182] netlink_sendmsg+0x1be/0x3e0 [ 2.611220] ____sys_sendmsg+0x132/0x260 [ 2.611264] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.611315] ___sys_sendmsg+0x87/0xd0 [ 2.611356] ? ___sys_recvmsg+0x87/0xc0 [ 2.611390] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.611444] ? fsnotify_grab_connector+0x48/0x80 [ 2.611502] ? fsnotify_destroy_marks+0x29/0x150 [ 2.611549] __sys_sendmsg+0x71/0xd0 [ 2.611590] do_syscall_64+0xa4/0xfd0 [ 2.611635] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.611679] RIP: 0033:0x7f62234ce1d7 [ 2.611719] 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 [ 2.611893] RSP: 002b:00007fffd5b4ffb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.611961] RAX: ffffffffffffffda RBX: 00007fffd5b506e0 RCX: 00007f62234ce1d7 [ 2.612036] RDX: 0000000000000000 RSI: 00007fffd5b50020 RDI: 0000000000000005 [ 2.612109] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.612183] R10: 0000000020aaa910 R11: 0000000000000246 R12: 0000000000000004 [ 2.612257] R13: 00000000691cc8eb R14: 0000000000499600 R15: 0000000000000000 [ 2.612330] [ 2.612354] Modules linked in: ip_gre gre 8021q dummy vrf veth [ 2.612419] CR2: 0000000000000000 [ 2.612463] ---[ end trace 0000000000000000 ]--- [ 2.612515] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.612562] 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 [ 2.612739] RSP: 0018:ffffa99f402cb628 EFLAGS: 00010046 [ 2.612789] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.612865] RDX: ffffa99f402cb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.612937] RBP: ffffa99f402cb660 R08: ffffffffa1e62a60 R09: 0000000000000101 [ 2.613010] R10: ffffffffa26080d8 R11: ffffa99f40110ff8 R12: 0000000000000000 [ 2.613083] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.613153] FS: 00007f6223300800(0000) GS:ffff8dc35beda000(0000) knlGS:0000000000000000 [ 2.613234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.613299] CR2: 0000000000000000 CR3: 00000000053fe002 CR4: 0000000000772ef0 [ 2.613373] PKRU: 55555554 [ 2.613393] note: ip[334] exited with irqs disabled [ 2.613766] ip (334) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr