[ 1.846211] ip (251) used greatest stack depth: 12408 bytes left [ 2.060582] ip (267) used greatest stack depth: 12376 bytes left [ 2.104712] ip (273) used greatest stack depth: 12200 bytes left [ 2.268871] lag1: Mode changed to "loadbalance" [ 2.319972] lag1: Port device veth0 added [ 2.331634] lag1: Port device veth6 added [ 2.398308] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.398376] #PF: supervisor write access in kernel mode [ 2.398413] #PF: error_code(0x0002) - not-present page [ 2.398461] PGD 4f19067 P4D 4f19067 PUD 4e90067 PMD 0 [ 2.398505] Oops: Oops: 0002 [#1] SMP [ 2.398544] CPU: 3 UID: 0 PID: 306 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.398611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.398657] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.398708] 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 [ 2.398824] RSP: 0018:ffffa6bdc031b628 EFLAGS: 00010046 [ 2.398870] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.398924] RDX: ffffa6bdc031b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.398992] RBP: ffffa6bdc031b660 R08: 0000000000000001 R09: 0000000000000001 [ 2.399047] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.399110] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.399166] FS: 00007f46ea368800(0000) GS:ffff9573e835a000(0000) knlGS:0000000000000000 [ 2.399224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.399283] CR2: 0000000000000000 CR3: 0000000006299002 CR4: 0000000000772ef0 [ 2.399354] PKRU: 55555554 [ 2.399382] Call Trace: [ 2.399409] [ 2.399440] __cancel_work+0x29/0xe0 [ 2.399484] ? dev_mc_unsync+0x78/0x90 [ 2.399527] __cancel_work_sync+0x16/0x80 [ 2.399570] __dev_close_many+0x11b/0x280 [ 2.399619] __dev_change_flags+0xed/0x220 [ 2.399665] netif_change_flags+0x25/0x60 [ 2.399709] dev_change_flags+0x40/0x80 [ 2.399745] cycle_netdev+0x36/0x70 [vrf] [ 2.399787] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.399831] do_set_master+0x10b/0x170 [ 2.399883] do_setlink.constprop.0+0x320/0x1120 [ 2.399933] ? __nla_validate_parse+0x5d/0xe70 [ 2.399989] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.400037] rtnl_newlink+0x7fa/0xbc0 [ 2.400078] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.400133] ? __rtnl_unlock+0x37/0x60 [ 2.400176] ? netdev_run_todo+0x63/0x550 [ 2.400215] ? rtnl_setlink+0x2c0/0x2c0 [ 2.400259] rtnetlink_rcv_msg+0x358/0x400 [ 2.400304] ? get_page_from_freelist+0x15b4/0x1770 [ 2.400368] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.400417] netlink_rcv_skb+0x57/0x100 [ 2.400461] netlink_unicast+0x252/0x380 [ 2.400505] ? __alloc_skb+0xfc/0x1e0 [ 2.400552] netlink_sendmsg+0x1be/0x3e0 [ 2.400597] ____sys_sendmsg+0x132/0x260 [ 2.400643] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.400701] ___sys_sendmsg+0x87/0xd0 [ 2.400747] ? ___sys_recvmsg+0x87/0xc0 [ 2.400790] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.400853] ? fsnotify_grab_connector+0x48/0x80 [ 2.400909] ? fsnotify_destroy_marks+0x29/0x150 [ 2.400963] __sys_sendmsg+0x71/0xd0 [ 2.401012] do_syscall_64+0xa4/0xfd0 [ 2.401063] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.401119] RIP: 0033:0x7f46ea5361d7 [ 2.401162] 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 [ 2.401338] RSP: 002b:00007fff45719438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.401413] RAX: ffffffffffffffda RBX: 00007fff45719b60 RCX: 00007f46ea5361d7 [ 2.401483] RDX: 0000000000000000 RSI: 00007fff457194a0 RDI: 0000000000000005 [ 2.401554] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.401625] R10: 000000001f0b3910 R11: 0000000000000246 R12: 0000000000000004 [ 2.401700] R13: 00000000691cbc42 R14: 0000000000499600 R15: 0000000000000000 [ 2.401778] [ 2.401802] Modules linked in: vrf veth [ 2.401848] CR2: 0000000000000000 [ 2.401884] ---[ end trace 0000000000000000 ]--- [ 2.401935] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.401995] 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 [ 2.402174] RSP: 0018:ffffa6bdc031b628 EFLAGS: 00010046 [ 2.402231] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.402309] RDX: ffffa6bdc031b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.402385] RBP: ffffa6bdc031b660 R08: 0000000000000001 R09: 0000000000000001 [ 2.402461] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.402538] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.402617] FS: 00007f46ea368800(0000) GS:ffff9573e835a000(0000) knlGS:0000000000000000 [ 2.402700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.402769] CR2: 0000000000000000 CR3: 0000000006299002 CR4: 0000000000772ef0 [ 2.402852] PKRU: 55555554 [ 2.402877] note: ip[306] exited with irqs disabled [ 2.403105] ip (306) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr