[ 1.880624] ip (248) used greatest stack depth: 12344 bytes left [ 2.558084] br1: port 1(vx10) entered blocking state [ 2.558157] br1: port 1(vx10) entered disabled state [ 2.558209] vx10: entered allmulticast mode [ 2.558292] vx10: entered promiscuous mode [ 2.558340] br1: port 1(vx10) entered blocking state [ 2.558380] br1: port 1(vx10) entered forwarding state [ 2.595642] br1: port 2(vx20) entered blocking state [ 2.595702] br1: port 2(vx20) entered disabled state [ 2.595779] vx20: entered allmulticast mode [ 2.595880] vx20: entered promiscuous mode [ 2.595976] br1: port 2(vx20) entered blocking state [ 2.596035] br1: port 2(vx20) entered forwarding state [ 2.614194] br1: port 3(veth1) entered blocking state [ 2.614305] br1: port 3(veth1) entered disabled state [ 2.614374] veth1: entered allmulticast mode [ 2.614466] veth1: entered promiscuous mode [ 2.623209] br1: port 3(veth1) entered blocking state [ 2.623272] br1: port 3(veth1) entered forwarding state [ 2.641237] br1: port 4(veth2) entered blocking state [ 2.641316] br1: port 4(veth2) entered disabled state [ 2.641392] veth2: entered allmulticast mode [ 2.641484] veth2: entered promiscuous mode [ 2.651573] br1: port 4(veth2) entered blocking state [ 2.651689] br1: port 4(veth2) entered forwarding state [ 2.735179] 8021q: 802.1Q VLAN Support v1.8 [ 2.735964] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.736033] #PF: supervisor write access in kernel mode [ 2.736068] #PF: error_code(0x0002) - not-present page [ 2.736097] PGD 89df067 P4D 89df067 PUD 89de067 PMD 0 [ 2.736133] Oops: Oops: 0002 [#1] SMP [ 2.736161] CPU: 2 UID: 0 PID: 336 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.736223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.736265] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.736310] 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 [ 2.736455] RSP: 0018:ffff9a744034b770 EFLAGS: 00010046 [ 2.736495] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff89640310a1a8 [ 2.736558] RDX: ffff9a744034b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.736620] RBP: ffff9a744034b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.736683] R10: ffffffff99a080d8 R11: ffff9a7440110ff8 R12: 0000000000000000 [ 2.736738] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.736793] FS: 00007f2447304800(0000) GS:ffff8964a2ada000(0000) knlGS:0000000000000000 [ 2.736851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.736908] CR2: 0000000000000000 CR3: 0000000008a34002 CR4: 0000000000772ef0 [ 2.736963] PKRU: 55555554 [ 2.736985] Call Trace: [ 2.737004] [ 2.737029] __cancel_work+0x29/0xe0 [ 2.737059] __cancel_work_sync+0x16/0x80 [ 2.737092] __dev_close_many+0x11b/0x280 [ 2.737125] __dev_change_flags+0xed/0x220 [ 2.737158] netif_change_flags+0x25/0x60 [ 2.737189] dev_change_flags+0x40/0x80 [ 2.737216] cycle_netdev+0x36/0x70 [vrf] [ 2.737248] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.737281] do_set_master+0x10b/0x170 [ 2.737314] rtnl_newlink+0x580/0xbc0 [ 2.737349] ? rtnl_setlink+0x2c0/0x2c0 [ 2.737387] rtnetlink_rcv_msg+0x358/0x400 [ 2.737420] ? update_load_avg+0x6f/0x350 [ 2.737452] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.737493] netlink_rcv_skb+0x57/0x100 [ 2.737527] netlink_unicast+0x252/0x380 [ 2.737558] ? __alloc_skb+0xfc/0x1e0 [ 2.737591] netlink_sendmsg+0x1be/0x3e0 [ 2.737623] ____sys_sendmsg+0x132/0x260 [ 2.737657] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.737697] ___sys_sendmsg+0x87/0xd0 [ 2.737730] ? __handle_mm_fault+0xa3e/0xe50 [ 2.737775] __sys_sendmsg+0x71/0xd0 [ 2.737808] do_syscall_64+0xa4/0xfd0 [ 2.737840] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.737881] RIP: 0033:0x7f24474d21d7 [ 2.737915] Code: Unable to access opcode bytes at 0x7f24474d21ad. [ 2.737963] RSP: 002b:00007ffcec86bd88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.738022] RAX: ffffffffffffffda RBX: 00007ffcec86c4b0 RCX: 00007f24474d21d7 [ 2.738075] RDX: 0000000000000000 RSI: 00007ffcec86bdf0 RDI: 0000000000000005 [ 2.738134] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.738186] R10: 00007f2447560ac0 R11: 0000000000000246 R12: 00007ffcec86c4f8 [ 2.738239] R13: 00000000691cd62b R14: 0000000000499600 R15: 00007ffcec86bee8 [ 2.738293] [ 2.738317] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.738385] CR2: 0000000000000000 [ 2.738417] ---[ end trace 0000000000000000 ]--- [ 2.738452] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.738494] 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 [ 2.738617] RSP: 0018:ffff9a744034b770 EFLAGS: 00010046 [ 2.738652] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff89640310a1a8 [ 2.738705] RDX: ffff9a744034b7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.738758] RBP: ffff9a744034b7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.738813] R10: ffffffff99a080d8 R11: ffff9a7440110ff8 R12: 0000000000000000 [ 2.738866] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.738920] FS: 00007f2447304800(0000) GS:ffff8964a2ada000(0000) knlGS:0000000000000000 [ 2.738980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.739029] CR2: 00007f24474d21ad CR3: 0000000008a34002 CR4: 0000000000772ef0 [ 2.739082] PKRU: 55555554 [ 2.739105] note: ip[336] exited with irqs disabled [ 2.739311] ip (336) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr