[ 2.596218] br1: port 1(vx10) entered blocking state [ 2.596312] br1: port 1(vx10) entered disabled state [ 2.596373] vx10: entered allmulticast mode [ 2.596546] vx10: entered promiscuous mode [ 2.596587] br1: port 1(vx10) entered blocking state [ 2.596627] br1: port 1(vx10) entered forwarding state [ 2.641404] br1: port 2(vx20) entered blocking state [ 2.641474] br1: port 2(vx20) entered disabled state [ 2.641536] vx20: entered allmulticast mode [ 2.641620] vx20: entered promiscuous mode [ 2.641665] br1: port 2(vx20) entered blocking state [ 2.641705] br1: port 2(vx20) entered forwarding state [ 2.663384] br1: port 3(veth1) entered blocking state [ 2.663451] br1: port 3(veth1) entered disabled state [ 2.663524] veth1: entered allmulticast mode [ 2.663631] veth1: entered promiscuous mode [ 2.674141] br1: port 3(veth1) entered blocking state [ 2.674219] br1: port 3(veth1) entered forwarding state [ 2.694394] br1: port 4(veth2) entered blocking state [ 2.694474] br1: port 4(veth2) entered disabled state [ 2.694554] veth2: entered allmulticast mode [ 2.694643] veth2: entered promiscuous mode [ 2.705398] br1: port 4(veth2) entered blocking state [ 2.705514] br1: port 4(veth2) entered forwarding state [ 2.788931] 8021q: 802.1Q VLAN Support v1.8 [ 2.789734] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.789803] #PF: supervisor write access in kernel mode [ 2.789855] #PF: error_code(0x0002) - not-present page [ 2.789900] PGD 2ed2067 P4D 2ed2067 PUD 77dd067 PMD 0 [ 2.789951] Oops: Oops: 0002 [#1] SMP [ 2.789992] CPU: 3 UID: 0 PID: 337 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.790075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.790131] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.790188] 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 [ 2.790352] RSP: 0018:ffffc0d1402c3770 EFLAGS: 00010046 [ 2.790402] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff9cd30321d528 [ 2.790468] RDX: ffffc0d1402c37a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.790538] RBP: ffffc0d1402c37a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.790605] R10: ffffffff962080d8 R11: ffffc0d14013cff8 R12: 0000000000000000 [ 2.790671] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.790743] FS: 00007f1d94c6e800(0000) GS:ffff9cd3a835a000(0000) knlGS:0000000000000000 [ 2.790816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.790879] CR2: 0000000000000000 CR3: 000000000775f002 CR4: 0000000000772ef0 [ 2.790953] PKRU: 55555554 [ 2.790980] Call Trace: [ 2.791005] [ 2.791033] __cancel_work+0x29/0xe0 [ 2.791077] __cancel_work_sync+0x16/0x80 [ 2.791118] __dev_close_many+0x11b/0x280 [ 2.791162] __dev_change_flags+0xed/0x220 [ 2.791204] netif_change_flags+0x25/0x60 [ 2.791242] dev_change_flags+0x40/0x80 [ 2.791277] cycle_netdev+0x36/0x70 [vrf] [ 2.791315] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.791349] do_set_master+0x10b/0x170 [ 2.791391] rtnl_newlink+0x580/0xbc0 [ 2.791434] ? rtnl_setlink+0x2c0/0x2c0 [ 2.791471] rtnetlink_rcv_msg+0x358/0x400 [ 2.791505] ? update_load_avg+0x6f/0x350 [ 2.791544] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.791589] netlink_rcv_skb+0x57/0x100 [ 2.791631] netlink_unicast+0x252/0x380 [ 2.791668] ? __alloc_skb+0xfc/0x1e0 [ 2.791709] netlink_sendmsg+0x1be/0x3e0 [ 2.791749] ____sys_sendmsg+0x132/0x260 [ 2.791790] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.791842] ___sys_sendmsg+0x87/0xd0 [ 2.791883] ? __handle_mm_fault+0xa3e/0xe50 [ 2.791933] __sys_sendmsg+0x71/0xd0 [ 2.791975] do_syscall_64+0xa4/0xfd0 [ 2.792015] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.792066] RIP: 0033:0x7f1d94e3c1d7 [ 2.792103] Code: Unable to access opcode bytes at 0x7f1d94e3c1ad. [ 2.792164] RSP: 002b:00007fff5a0521c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.792231] RAX: ffffffffffffffda RBX: 00007fff5a0528f0 RCX: 00007f1d94e3c1d7 [ 2.792299] RDX: 0000000000000000 RSI: 00007fff5a052230 RDI: 0000000000000005 [ 2.792372] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.792439] R10: 00007f1d94ecaac0 R11: 0000000000000246 R12: 00007fff5a052938 [ 2.792505] R13: 00000000691cc2aa R14: 0000000000499600 R15: 00007fff5a052328 [ 2.792577] [ 2.792605] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.792697] CR2: 0000000000000000 [ 2.792736] ---[ end trace 0000000000000000 ]--- [ 2.792787] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.792839] 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 [ 2.792994] RSP: 0018:ffffc0d1402c3770 EFLAGS: 00010046 [ 2.793039] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff9cd30321d528 [ 2.793105] RDX: ffffc0d1402c37a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.793174] RBP: ffffc0d1402c37a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.793243] R10: ffffffff962080d8 R11: ffffc0d14013cff8 R12: 0000000000000000 [ 2.793309] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.793380] FS: 00007f1d94c6e800(0000) GS:ffff9cd3a835a000(0000) knlGS:0000000000000000 [ 2.793454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.793514] CR2: 00007f1d94e3c1ad CR3: 000000000775f002 CR4: 0000000000772ef0 [ 2.793582] PKRU: 55555554 [ 2.793603] note: ip[337] exited with irqs disabled [ 2.793824] ip (337) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr