[ 2.332221] br1: port 1(vx10) entered blocking state [ 2.332277] br1: port 1(vx10) entered disabled state [ 2.332326] vx10: entered allmulticast mode [ 2.332387] vx10: entered promiscuous mode [ 2.332423] br1: port 1(vx10) entered blocking state [ 2.332477] br1: port 1(vx10) entered forwarding state [ 2.367936] br1: port 2(vx20) entered blocking state [ 2.368010] br1: port 2(vx20) entered disabled state [ 2.368065] vx20: entered allmulticast mode [ 2.368128] vx20: entered promiscuous mode [ 2.368210] br1: port 2(vx20) entered blocking state [ 2.368275] br1: port 2(vx20) entered forwarding state [ 2.385019] br1: port 3(veth1) entered blocking state [ 2.385109] br1: port 3(veth1) entered disabled state [ 2.385174] veth1: entered allmulticast mode [ 2.385270] veth1: entered promiscuous mode [ 2.393995] br1: port 3(veth1) entered blocking state [ 2.394088] br1: port 3(veth1) entered forwarding state [ 2.411525] br1: port 4(veth2) entered blocking state [ 2.411595] br1: port 4(veth2) entered disabled state [ 2.411660] veth2: entered allmulticast mode [ 2.411750] veth2: entered promiscuous mode [ 2.421566] br1: port 4(veth2) entered blocking state [ 2.421681] br1: port 4(veth2) entered forwarding state [ 2.457825] br1: port 5(vx4001) entered blocking state [ 2.457902] br1: port 5(vx4001) entered disabled state [ 2.457954] vx4001: entered allmulticast mode [ 2.458028] vx4001: entered promiscuous mode [ 2.458074] br1: port 5(vx4001) entered blocking state [ 2.458114] br1: port 5(vx4001) entered forwarding state [ 2.531050] 8021q: 802.1Q VLAN Support v1.8 [ 2.531931] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.531984] #PF: supervisor write access in kernel mode [ 2.532017] #PF: error_code(0x0002) - not-present page [ 2.532051] PGD 6f5b067 P4D 6f5b067 PUD 6f5a067 PMD 0 [ 2.532090] Oops: Oops: 0002 [#1] SMP [ 2.532116] CPU: 3 UID: 0 PID: 342 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.532179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.532226] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.532282] 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 [ 2.532405] RSP: 0018:ffffbf758036b770 EFLAGS: 00010046 [ 2.532439] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff975bc4c67528 [ 2.532489] RDX: ffffbf758036b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.532538] RBP: ffffbf758036b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.532587] R10: ffffffffb48080d8 R11: ffffbf758013cff8 R12: 0000000000000000 [ 2.532636] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.532687] FS: 00007fc0c29b2800(0000) GS:ffff975c49d5a000(0000) knlGS:0000000000000000 [ 2.532744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.532790] CR2: 0000000000000000 CR3: 0000000004f87001 CR4: 0000000000772ef0 [ 2.532847] PKRU: 55555554 [ 2.532868] Call Trace: [ 2.532885] [ 2.532903] __cancel_work+0x29/0xe0 [ 2.532933] __cancel_work_sync+0x16/0x80 [ 2.532963] __dev_close_many+0x11b/0x280 [ 2.532996] __dev_change_flags+0xed/0x220 [ 2.533026] netif_change_flags+0x25/0x60 [ 2.533056] dev_change_flags+0x40/0x80 [ 2.533083] cycle_netdev+0x36/0x70 [vrf] [ 2.533113] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.533138] do_set_master+0x10b/0x170 [ 2.533168] rtnl_newlink+0x580/0xbc0 [ 2.533200] ? rtnl_setlink+0x2c0/0x2c0 [ 2.533229] rtnetlink_rcv_msg+0x358/0x400 [ 2.533268] ? update_load_avg+0x6f/0x350 [ 2.533312] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.533364] netlink_rcv_skb+0x57/0x100 [ 2.533411] netlink_unicast+0x252/0x380 [ 2.533448] ? __alloc_skb+0xfc/0x1e0 [ 2.533487] netlink_sendmsg+0x1be/0x3e0 [ 2.533524] ____sys_sendmsg+0x132/0x260 [ 2.533562] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.533620] ___sys_sendmsg+0x87/0xd0 [ 2.533659] ? __handle_mm_fault+0xa3e/0xe50 [ 2.533718] __sys_sendmsg+0x71/0xd0 [ 2.533756] do_syscall_64+0xa4/0xfd0 [ 2.533795] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.533849] RIP: 0033:0x7fc0c2b801d7 [ 2.533895] Code: Unable to access opcode bytes at 0x7fc0c2b801ad. [ 2.533957] RSP: 002b:00007ffc53b37778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.534035] RAX: ffffffffffffffda RBX: 00007ffc53b37ea0 RCX: 00007fc0c2b801d7 [ 2.534113] RDX: 0000000000000000 RSI: 00007ffc53b377e0 RDI: 0000000000000005 [ 2.534189] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.534266] R10: 00007fc0c2c0eac0 R11: 0000000000000246 R12: 00007ffc53b37ee8 [ 2.534343] R13: 00000000691cc55b R14: 0000000000499600 R15: 00007ffc53b378d8 [ 2.534421] [ 2.534446] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.534545] CR2: 0000000000000000 [ 2.534582] ---[ end trace 0000000000000000 ]--- [ 2.534633] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.534692] 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 [ 2.534874] RSP: 0018:ffffbf758036b770 EFLAGS: 00010046 [ 2.534925] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff975bc4c67528 [ 2.535002] RDX: ffffbf758036b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.535076] RBP: ffffbf758036b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.535155] R10: ffffffffb48080d8 R11: ffffbf758013cff8 R12: 0000000000000000 [ 2.535232] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.535310] FS: 00007fc0c29b2800(0000) GS:ffff975c49d5a000(0000) knlGS:0000000000000000 [ 2.535387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.535449] CR2: 00007fc0c2b801ad CR3: 0000000004f87001 CR4: 0000000000772ef0 [ 2.535528] PKRU: 55555554 [ 2.535553] note: ip[342] exited with irqs disabled [ 2.535712] ip (342) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr