[ 2.162499] netdevsim netdevsim496 eni496np1: renamed from eth0 [ 2.192280] team0: Port device eni496np1 added [ 2.202259] team0 (unregistering): Port device eni496np1 removed [ 2.217706] ip (174) used greatest stack depth: 12352 bytes left [ 2.234685] team0: entered promiscuous mode [ 2.238363] dummyteam: entered promiscuous mode [ 2.238405] team0: Port device dummyteam added [ 2.245698] dummyteam: left promiscuous mode [ 2.245771] team0 (unregistering): Port device dummyteam removed [ 2.287345] team0: Port device dummyteam added [ 2.295555] team0: entered promiscuous mode [ 2.295591] dummyteam: entered promiscuous mode [ 2.307282] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 2.307335] #PF: supervisor read access in kernel mode [ 2.307367] #PF: error_code(0x0000) - not-present page [ 2.307402] PGD 44bb067 P4D 46a7067 PUD 47b6067 PMD 0 [ 2.307435] Oops: Oops: 0000 [#1] SMP [ 2.307462] CPU: 3 UID: 0 PID: 197 Comm: ip Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 2.307513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.307554] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.307589] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 ec c6 2a 01 48 89 84 24 80 00 00 00 48 8b 87 f8 00 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 40 04 00 00 8b 0a 0f [ 2.307689] RSP: 0018:ff5496058037f698 EFLAGS: 00010292 [ 2.307720] RAX: 0000000000000000 RBX: ff2d66dc846fe000 RCX: 0000000000000000 [ 2.307767] RDX: 0000000000000000 RSI: ff2d66dc846fe818 RDI: ff2d66dc84702000 [ 2.307810] RBP: ff2d66dc846fe818 R08: ff2d66dc81063cc0 R09: 0000000000000000 [ 2.307860] R10: 0000000000000000 R11: 0000000000000001 R12: ff2d66dc84702000 [ 2.307902] R13: ff2d66dc82fd3b00 R14: ff2d66dc83081740 R15: 0000000000000003 [ 2.307952] FS: 00007f643eea3840(0000) GS:ff2d66dd253ae000(0000) knlGS:0000000000000000 [ 2.307997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.308043] CR2: 0000000000000858 CR3: 0000000004503004 CR4: 0000000000771ef0 [ 2.308097] PKRU: 55555554 [ 2.308114] Call Trace: [ 2.308132] [ 2.308148] ? enable_work+0x3a/0x100 [ 2.308175] ? cancel_work_sync+0x62/0x70 [ 2.308198] macvlan_port_destroy+0xa1/0xb0 [ 2.308226] unregister_netdevice_many_notify+0x685/0xa30 [ 2.308259] rtnl_dellink+0x257/0x430 [ 2.308286] ? rtnl_dellinkprop+0x20/0x20 [ 2.308312] rtnetlink_rcv_msg+0x39f/0x460 [ 2.308335] ? get_page_from_freelist+0xf9d/0x1640 [ 2.308372] ? rtnl_calcit.isra.0+0x160/0x160 [ 2.308402] netlink_rcv_skb+0xca/0x140 [ 2.308430] netlink_unicast+0x26b/0x3a0 [ 2.308454] netlink_sendmsg+0x1e2/0x430 [ 2.308479] ____sys_sendmsg+0x14c/0x2b0 [ 2.308507] ___sys_sendmsg+0xe1/0x120 [ 2.308535] __sys_sendmsg+0xa4/0x100 [ 2.308558] do_syscall_64+0x104/0x520 [ 2.308583] ? __sysvec_call_function_single+0x20/0xc0 [ 2.308612] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.308643] RIP: 0033:0x7f643f0dc54e [ 2.308666] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 2.308766] RSP: 002b:00007ffd815fcf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 2.308811] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f643f0dc54e [ 2.308855] RDX: 0000000000000000 RSI: 00007ffd815fd030 RDI: 0000000000000005 [ 2.308898] RBP: 00007ffd815fcf90 R08: 0000000000000000 R09: 0000000000000000 [ 2.308940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a508e36 [ 2.308986] R13: 00000000004a0620 R14: 0000000000000000 R15: 00007ffd815fd6f0 [ 2.309026] [ 2.309041] Modules linked in: netdevsim [ 2.309066] CR2: 0000000000000858 [ 2.309093] ---[ end trace 0000000000000000 ]--- [ 2.309122] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [ 2.309152] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 ec c6 2a 01 48 89 84 24 80 00 00 00 48 8b 87 f8 00 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 40 04 00 00 8b 0a 0f [ 2.309251] RSP: 0018:ff5496058037f698 EFLAGS: 00010292 [ 2.309289] RAX: 0000000000000000 RBX: ff2d66dc846fe000 RCX: 0000000000000000 [ 2.309332] RDX: 0000000000000000 RSI: ff2d66dc846fe818 RDI: ff2d66dc84702000 [ 2.309370] RBP: ff2d66dc846fe818 R08: ff2d66dc81063cc0 R09: 0000000000000000 [ 2.309417] R10: 0000000000000000 R11: 0000000000000001 R12: ff2d66dc84702000 [ 2.309456] R13: ff2d66dc82fd3b00 R14: ff2d66dc83081740 R15: 0000000000000003 [ 2.309504] FS: 00007f643eea3840(0000) GS:ff2d66dd253ae000(0000) knlGS:0000000000000000 [ 2.309552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.309589] CR2: 0000000000000858 CR3: 0000000004503004 CR4: 0000000000771ef0 [ 2.309631] PKRU: 55555554 [ 2.309649] note: ip[197] exited with irqs disabled [ 2.310306] ip (197) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr