[ 2.583701] br1: port 1(vx10) entered blocking state [ 2.583817] br1: port 1(vx10) entered disabled state [ 2.583912] vx10: entered allmulticast mode [ 2.584002] vx10: entered promiscuous mode [ 2.584060] br1: port 1(vx10) entered blocking state [ 2.584118] br1: port 1(vx10) entered forwarding state [ 2.627190] br1: port 2(vx20) entered blocking state [ 2.627303] br1: port 2(vx20) entered disabled state [ 2.627399] vx20: entered allmulticast mode [ 2.627519] vx20: entered promiscuous mode [ 2.627612] br1: port 2(vx20) entered blocking state [ 2.627703] br1: port 2(vx20) entered forwarding state [ 2.649647] br1: port 3(veth1) entered blocking state [ 2.649769] br1: port 3(veth1) entered disabled state [ 2.649876] veth1: entered allmulticast mode [ 2.650009] veth1: entered promiscuous mode [ 2.660260] br1: port 3(veth1) entered blocking state [ 2.660325] br1: port 3(veth1) entered forwarding state [ 2.680155] br1: port 4(veth2) entered blocking state [ 2.680220] br1: port 4(veth2) entered disabled state [ 2.680282] veth2: entered allmulticast mode [ 2.680362] veth2: entered promiscuous mode [ 2.690896] br1: port 4(veth2) entered blocking state [ 2.690987] br1: port 4(veth2) entered forwarding state [ 2.781053] 8021q: 802.1Q VLAN Support v1.8 [ 2.781947] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.782013] #PF: supervisor write access in kernel mode [ 2.782049] #PF: error_code(0x0002) - not-present page [ 2.782086] PGD 79a3067 P4D 79a3067 PUD 79bb067 PMD 0 [ 2.782127] Oops: Oops: 0002 [#1] SMP [ 2.782162] CPU: 2 UID: 0 PID: 335 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.782258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.782302] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.782348] 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 [ 2.782460] RSP: 0018:ffffb3f0c028b770 EFLAGS: 00010046 [ 2.782496] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff8b5444adb9a8 [ 2.782556] RDX: ffffb3f0c028b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.782607] RBP: ffffb3f0c028b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.782658] R10: ffffffff96c080d8 R11: ffffb3f0c0110ff8 R12: 0000000000000000 [ 2.782721] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.782775] FS: 00007f1db8011800(0000) GS:ffff8b54e78da000(0000) knlGS:0000000000000000 [ 2.782830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.782875] CR2: 0000000000000000 CR3: 00000000078a0005 CR4: 0000000000772ef0 [ 2.782928] PKRU: 55555554 [ 2.782948] Call Trace: [ 2.782972] [ 2.782999] __cancel_work+0x29/0xe0 [ 2.783032] __cancel_work_sync+0x16/0x80 [ 2.783063] __dev_close_many+0x11b/0x280 [ 2.783114] __dev_change_flags+0xed/0x220 [ 2.783149] netif_change_flags+0x25/0x60 [ 2.783180] dev_change_flags+0x40/0x80 [ 2.783209] cycle_netdev+0x36/0x70 [vrf] [ 2.783242] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.783270] do_set_master+0x10b/0x170 [ 2.783304] rtnl_newlink+0x580/0xbc0 [ 2.783346] ? rtnl_setlink+0x2c0/0x2c0 [ 2.783379] rtnetlink_rcv_msg+0x358/0x400 [ 2.783410] ? update_load_avg+0x6f/0x350 [ 2.783442] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.783478] netlink_rcv_skb+0x57/0x100 [ 2.783512] netlink_unicast+0x252/0x380 [ 2.783542] ? __alloc_skb+0xfc/0x1e0 [ 2.783575] netlink_sendmsg+0x1be/0x3e0 [ 2.783604] ____sys_sendmsg+0x132/0x260 [ 2.783636] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.783676] ___sys_sendmsg+0x87/0xd0 [ 2.783709] ? __handle_mm_fault+0xa3e/0xe50 [ 2.783752] __sys_sendmsg+0x71/0xd0 [ 2.783783] do_syscall_64+0xa4/0xfd0 [ 2.783816] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.783855] RIP: 0033:0x7f1db81df1d7 [ 2.783887] Code: Unable to access opcode bytes at 0x7f1db81df1ad. [ 2.783940] RSP: 002b:00007fff85d88288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.783994] RAX: ffffffffffffffda RBX: 00007fff85d889b0 RCX: 00007f1db81df1d7 [ 2.784045] RDX: 0000000000000000 RSI: 00007fff85d882f0 RDI: 0000000000000005 [ 2.784096] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.784147] R10: 00007f1db826dac0 R11: 0000000000000246 R12: 00007fff85d889f8 [ 2.784198] R13: 00000000691cd646 R14: 0000000000499600 R15: 00007fff85d883e8 [ 2.784251] [ 2.784270] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.784338] CR2: 0000000000000000 [ 2.784365] ---[ end trace 0000000000000000 ]--- [ 2.784401] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.784441] 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 [ 2.784559] RSP: 0018:ffffb3f0c028b770 EFLAGS: 00010046 [ 2.784595] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff8b5444adb9a8 [ 2.784646] RDX: ffffb3f0c028b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.784697] RBP: ffffb3f0c028b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.784750] R10: ffffffff96c080d8 R11: ffffb3f0c0110ff8 R12: 0000000000000000 [ 2.784801] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.784854] FS: 00007f1db8011800(0000) GS:ffff8b54e78da000(0000) knlGS:0000000000000000 [ 2.784915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.784961] CR2: 00007f1db81df1ad CR3: 00000000078a0005 CR4: 0000000000772ef0 [ 2.785014] PKRU: 55555554 [ 2.785034] note: ip[335] exited with irqs disabled [ 2.785360] ip (335) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr