[ 1.788317] ip (253) used greatest stack depth: 12296 bytes left [ 2.105951] lag1: Mode changed to "loadbalance" [ 2.150164] lag1: Port device veth0 added [ 2.159059] lag1: Port device veth6 added [ 2.214558] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.214645] #PF: supervisor write access in kernel mode [ 2.214686] #PF: error_code(0x0002) - not-present page [ 2.214722] PGD 32c9067 P4D 32c9067 PUD 4f12067 PMD 0 [ 2.214759] Oops: Oops: 0002 [#1] SMP [ 2.214791] CPU: 3 UID: 0 PID: 307 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.214852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.214892] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.214940] 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 [ 2.215054] RSP: 0018:ffffb359c03eb628 EFLAGS: 00010046 [ 2.215092] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.215141] RDX: ffffb359c03eb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.215188] RBP: ffffb359c03eb660 R08: 0000000000000001 R09: 0000000000000001 [ 2.215237] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 2.215287] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.215337] FS: 00007f8b79e60800(0000) GS:ffff8979b595a000(0000) knlGS:0000000000000000 [ 2.215391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.215443] CR2: 0000000000000000 CR3: 0000000004ded006 CR4: 0000000000772ef0 [ 2.215505] PKRU: 55555554 [ 2.215526] Call Trace: [ 2.215544] [ 2.215566] __cancel_work+0x29/0xe0 [ 2.215600] ? dev_mc_unsync+0x78/0x90 [ 2.215635] __cancel_work_sync+0x16/0x80 [ 2.215666] __dev_close_many+0x11b/0x280 [ 2.215699] __dev_change_flags+0xed/0x220 [ 2.215734] netif_change_flags+0x25/0x60 [ 2.215769] dev_change_flags+0x40/0x80 [ 2.215800] cycle_netdev+0x36/0x70 [vrf] [ 2.215830] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.215855] do_set_master+0x10b/0x170 [ 2.215890] do_setlink.constprop.0+0x320/0x1120 [ 2.215929] ? __nla_validate_parse+0x5d/0xe70 [ 2.215971] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.216013] rtnl_newlink+0x7fa/0xbc0 [ 2.216044] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.216085] ? __rtnl_unlock+0x37/0x60 [ 2.216116] ? netdev_run_todo+0x63/0x550 [ 2.216145] ? rtnl_setlink+0x2c0/0x2c0 [ 2.216176] rtnetlink_rcv_msg+0x358/0x400 [ 2.216206] ? get_page_from_freelist+0x15b4/0x1770 [ 2.216243] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.216282] netlink_rcv_skb+0x57/0x100 [ 2.216314] netlink_unicast+0x252/0x380 [ 2.216343] ? __alloc_skb+0xfc/0x1e0 [ 2.216374] netlink_sendmsg+0x1be/0x3e0 [ 2.216404] ____sys_sendmsg+0x132/0x260 [ 2.216434] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.216473] ___sys_sendmsg+0x87/0xd0 [ 2.216503] ? ___sys_recvmsg+0x87/0xc0 [ 2.216533] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.216574] ? fsnotify_grab_connector+0x48/0x80 [ 2.216612] ? fsnotify_destroy_marks+0x29/0x150 [ 2.216646] __sys_sendmsg+0x71/0xd0 [ 2.216676] do_syscall_64+0xa4/0xfd0 [ 2.216708] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.216746] RIP: 0033:0x7f8b7a02e1d7 [ 2.216777] 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 [ 2.216895] RSP: 002b:00007ffe000a8b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.216950] RAX: ffffffffffffffda RBX: 00007ffe000a9280 RCX: 00007f8b7a02e1d7 [ 2.217000] RDX: 0000000000000000 RSI: 00007ffe000a8bc0 RDI: 0000000000000005 [ 2.217048] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.217096] R10: 000000001a3b6910 R11: 0000000000000246 R12: 0000000000000004 [ 2.217145] R13: 00000000691ccf7a R14: 0000000000499600 R15: 0000000000000000 [ 2.217200] [ 2.217216] Modules linked in: vrf veth [ 2.217247] CR2: 0000000000000000 [ 2.217277] ---[ end trace 0000000000000000 ]--- [ 2.217314] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.217356] 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 [ 2.217470] RSP: 0018:ffffb359c03eb628 EFLAGS: 00010046 [ 2.217502] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.217556] RDX: ffffb359c03eb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.217605] RBP: ffffb359c03eb660 R08: 0000000000000001 R09: 0000000000000001 [ 2.217655] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 2.217703] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.217753] FS: 00007f8b79e60800(0000) GS:ffff8979b595a000(0000) knlGS:0000000000000000 [ 2.217820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.217865] CR2: 0000000000000000 CR3: 0000000004ded006 CR4: 0000000000772ef0 [ 2.217916] PKRU: 55555554 [ 2.217937] note: ip[307] exited with irqs disabled [ 2.218111] ip (307) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr