[ 1.822661] ip (249) used greatest stack depth: 12344 bytes left [ 2.553426] br1: port 1(vx10) entered blocking state [ 2.553521] br1: port 1(vx10) entered disabled state [ 2.553593] vx10: entered allmulticast mode [ 2.553700] vx10: entered promiscuous mode [ 2.553772] br1: port 1(vx10) entered blocking state [ 2.553820] br1: port 1(vx10) entered forwarding state [ 2.598872] br1: port 2(vx20) entered blocking state [ 2.598965] br1: port 2(vx20) entered disabled state [ 2.599046] vx20: entered allmulticast mode [ 2.599141] vx20: entered promiscuous mode [ 2.599200] br1: port 2(vx20) entered blocking state [ 2.599263] br1: port 2(vx20) entered forwarding state [ 2.620829] br1: port 3(veth1) entered blocking state [ 2.620898] br1: port 3(veth1) entered disabled state [ 2.620973] veth1: entered allmulticast mode [ 2.621075] veth1: entered promiscuous mode [ 2.631401] br1: port 3(veth1) entered blocking state [ 2.631459] br1: port 3(veth1) entered forwarding state [ 2.652848] br1: port 4(veth2) entered blocking state [ 2.652908] br1: port 4(veth2) entered disabled state [ 2.652960] veth2: entered allmulticast mode [ 2.653045] veth2: entered promiscuous mode [ 2.653461] ip (328) used greatest stack depth: 12088 bytes left [ 2.664062] br1: port 4(veth2) entered blocking state [ 2.664128] br1: port 4(veth2) entered forwarding state [ 2.706531] br1: port 5(vx4001) entered blocking state [ 2.706607] br1: port 5(vx4001) entered disabled state [ 2.706671] vx4001: entered allmulticast mode [ 2.706757] vx4001: entered promiscuous mode [ 2.706815] br1: port 5(vx4001) entered blocking state [ 2.706862] br1: port 5(vx4001) entered forwarding state [ 2.795901] 8021q: 802.1Q VLAN Support v1.8 [ 2.796619] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.796682] #PF: supervisor write access in kernel mode [ 2.796731] #PF: error_code(0x0002) - not-present page [ 2.796768] PGD 8c92067 P4D 8c92067 PUD 8c91067 PMD 0 [ 2.796808] Oops: Oops: 0002 [#1] SMP [ 2.796843] CPU: 0 UID: 0 PID: 342 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.796910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.796959] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.797006] 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 [ 2.797139] RSP: 0018:ffffb3e440353770 EFLAGS: 00010046 [ 2.797173] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff8c2fc4a76728 [ 2.797225] RDX: ffffb3e4403537a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.797278] RBP: ffffb3e4403537a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.797332] R10: ffffffffb08080d8 R11: ffffb3e440003ff8 R12: 0000000000000000 [ 2.797384] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.797438] FS: 00007f9d5a108800(0000) GS:ffff8c304dbda000(0000) knlGS:0000000000000000 [ 2.797496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.797562] CR2: 0000000000000000 CR3: 0000000005f47002 CR4: 0000000000772ef0 [ 2.797625] PKRU: 55555554 [ 2.797648] Call Trace: [ 2.797668] [ 2.797691] __cancel_work+0x29/0xe0 [ 2.797723] __cancel_work_sync+0x16/0x80 [ 2.797756] __dev_close_many+0x11b/0x280 [ 2.797789] __dev_change_flags+0xed/0x220 [ 2.797822] netif_change_flags+0x25/0x60 [ 2.797853] dev_change_flags+0x40/0x80 [ 2.797885] cycle_netdev+0x36/0x70 [vrf] [ 2.797917] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.797950] do_set_master+0x10b/0x170 [ 2.797990] rtnl_newlink+0x580/0xbc0 [ 2.798023] ? rtnl_setlink+0x2c0/0x2c0 [ 2.798058] rtnetlink_rcv_msg+0x358/0x400 [ 2.798099] ? update_load_avg+0x6f/0x350 [ 2.798131] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.798178] netlink_rcv_skb+0x57/0x100 [ 2.798212] netlink_unicast+0x252/0x380 [ 2.798243] ? __alloc_skb+0xfc/0x1e0 [ 2.798276] netlink_sendmsg+0x1be/0x3e0 [ 2.798304] ____sys_sendmsg+0x132/0x260 [ 2.798336] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.798377] ___sys_sendmsg+0x87/0xd0 [ 2.798411] ? __handle_mm_fault+0xa3e/0xe50 [ 2.798450] __sys_sendmsg+0x71/0xd0 [ 2.798482] do_syscall_64+0xa4/0xfd0 [ 2.798523] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.798564] RIP: 0033:0x7f9d5a2d61d7 [ 2.798593] Code: Unable to access opcode bytes at 0x7f9d5a2d61ad. [ 2.798639] RSP: 002b:00007ffc681668a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.798692] RAX: ffffffffffffffda RBX: 00007ffc68166fd0 RCX: 00007f9d5a2d61d7 [ 2.798745] RDX: 0000000000000000 RSI: 00007ffc68166910 RDI: 0000000000000005 [ 2.798804] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.798861] R10: 00007f9d5a364ac0 R11: 0000000000000246 R12: 00007ffc68167018 [ 2.798916] R13: 00000000691cd87a R14: 0000000000499600 R15: 00007ffc68166a08 [ 2.798969] [ 2.798992] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.799070] CR2: 0000000000000000 [ 2.799102] ---[ end trace 0000000000000000 ]--- [ 2.799142] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.799190] 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 [ 2.799337] RSP: 0018:ffffb3e440353770 EFLAGS: 00010046 [ 2.799371] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff8c2fc4a76728 [ 2.799431] RDX: ffffb3e4403537a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.799480] RBP: ffffb3e4403537a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.799537] R10: ffffffffb08080d8 R11: ffffb3e440003ff8 R12: 0000000000000000 [ 2.799589] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.799643] FS: 00007f9d5a108800(0000) GS:ffff8c304dbda000(0000) knlGS:0000000000000000 [ 2.799715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.799771] CR2: 00007f9d5a2d61ad CR3: 0000000005f47002 CR4: 0000000000772ef0 [ 2.799824] PKRU: 55555554 [ 2.799846] note: ip[342] exited with irqs disabled [ 2.800061] ip (342) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr