I am using a fairly complex htb + three tiers of fq_codel and a couple
tc filters (it's the sqm-scripts "simple.qos" model). I rebased on
net-next head an hour ago, and....
[ 8.357963] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
[ 9.759942] u32 classifier
[ 9.759944] Actions configured
[ 9.762152] Mirror/redirect action on
[ 9.859138] BUG: unable to handle kernel NULL pointer dereference
at 0000000000000018
[ 9.859149] IP: tcf_block_put+0xf/0x50
[ 9.859151] PGD 144e8e067 P4D 144e8e067 PUD 144ea3067 PMD 0
[ 9.859155] Oops: 0000 [#1] PREEMPT SMP
[ 9.859157] Modules linked in: act_mirred cls_u32 sch_ingress
sch_fq_codel sch_htb ifb bnep binfmt_misc nls_iso8859_1 arc4
intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp
snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic
kvm_intel ath9k snd_hda_intel kvm ath9k_common ath9k_hw irqbypass
snd_hda_codec crct10dif_pclmul ath snd_hda_core crc32_pclmul
ghash_clmulni_intel snd_hwdep mac80211 uvcvideo pcbc videobuf2_vmalloc
videobuf2_memops snd_pcm videobuf2_v4l2 videobuf2_core aesni_intel
snd_seq_midi ath3k snd_seq_midi_event aes_x86_64 crypto_simd
glue_helper cfg80211 snd_rawmidi cryptd videodev btusb serio_raw btrtl
snd_seq btbcm btintel snd_seq_device media bluetooth input_leds
snd_timer lpc_ich ecdh_generic snd mei_me soundcore mei shpchp
topstar_laptop sparse_keymap acpi_als acpi_pad
[ 9.859194] mac_hid kfifo_buf industrialio sch_fq cuse parport_pc
ppdev lp sunrpc parport autofs4 hid_generic usbhid hid i915
i2c_algo_bit drm_kms_helper syscopyarea r8169 sysfillrect sysimgblt
fb_sys_fops ahci drm libahci mii video
[ 9.859209] CPU: 3 PID: 1644 Comm: tc Not tainted 4.14.0-rc7-netem-3 #1
[ 9.859210] Hardware name: Intel Corporation SharkBay
Platform/WhiteTip Mountain1 Fab2, BIOS 5.6.5 06/18/2015
[ 9.859212] task: ffff8eb5c3ea1e80 task.stack: ffffac13c160c000
[ 9.859214] RIP: 0010:tcf_block_put+0xf/0x50
[ 9.859215] RSP: 0018:ffffac13c160f9b8 EFLAGS: 00010286
[ 9.859217] RAX: ffff8eb5c4febc01 RBX: ffff8eb5c6668000 RCX: 0000000000f98e03
[ 9.859218] RDX: 0000000000f98c03 RSI: 0000000000000000 RDI: 0000000000000000
[ 9.859220] RBP: ffffac13c160f9c8 R08: 000000000001f820 R09: ffffffffb37f0048
[ 9.859221] R10: ffffcf324513fa80 R11: 0000000000000001 R12: ffff8eb5c6667000
[ 9.859222] R13: 0000000000000001 R14: ffff8eb5c4febe00 R15: 0000000000000001
[ 9.859223] FS: 00007f322bc3e700(0000) GS:ffff8eb5ced80000(0000)
knlGS:0000000000000000
[ 9.859225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.859226] CR2: 0000000000000018 CR3: 0000000144f82002 CR4: 00000000003606e0
[ 9.859227] Call Trace:
[ 9.859232] htb_destroy_class.isra.18+0x3a/0x50 [sch_htb]
[ 9.859235] htb_destroy+0xbe/0x160 [sch_htb]
[ 9.859237] qdisc_destroy+0x5d/0xd0
[ 9.859240] notify_and_destroy+0x2c/0x30
[ 9.859242] qdisc_graft+0x2bd/0x370
[ 9.859244] tc_get_qdisc+0x18f/0x230
[ 9.859250] rtnetlink_rcv_msg+0x15c/0x270
[ 9.859252] ? proto_seq_start+0x30/0x30
[ 9.859254] ? __kmalloc_node_track_caller+0x35/0x2d0
[ 9.859256] ? rtnl_calcit.isra.29+0x110/0x110
[ 9.859258] netlink_rcv_skb+0xe7/0x120
[ 9.859260] rtnetlink_rcv+0x15/0x20
[ 9.859262] netlink_unicast+0x196/0x240
[ 9.859264] netlink_sendmsg+0x2c5/0x3a0
[ 9.859267] sock_sendmsg+0x38/0x50
[ 9.859269] ___sys_sendmsg+0x2b6/0x2d0
[ 9.859272] ? pagevec_lru_move_fn+0xc8/0xe0
[ 9.859274] ? __activate_page+0x2c0/0x2c0
[ 9.859276] ? __lru_cache_add+0x5f/0x80
[ 9.859278] ? lru_cache_add_active_or_unevictable+0x36/0xb0
[ 9.859282] __sys_sendmsg+0x54/0x90
[ 9.859284] ? __sys_sendmsg+0x54/0x90
[ 9.859287] SyS_sendmsg+0x12/0x20
[ 9.859290] entry_SYSCALL_64_fastpath+0x1e/0xa9
[ 9.859292] RIP: 0033:0x7f322b274450
[ 9.859293] RSP: 002b:00007ffcb4925018 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[ 9.859295] RAX: ffffffffffffffda RBX: 00007ffcb4925000 RCX: 00007f322b274450
[ 9.859296] RDX: 0000000000000000 RSI: 00007ffcb4925060 RDI: 0000000000000003
[ 9.859297] RBP: 0000000059f95db7 R08: 0000000000000014 R09: 0000000000000000
[ 9.859298] R10: 00000000000005e7 R11: 0000000000000246 R12: 00007ffcb4925060
[ 9.859299] R13: 00007ffcb493d2b0 R14: 0000000000655aa0 R15: 0000000000000000
[ 9.859301] Code: 48 8d 53 30 bf 00 02 00 00 e8 ee 71 8a ff 5b 5d
f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 31 f6 48 89 e5
48 83 ec 10 <48> 8b 57 18 48 8d 4d f4 c7 45 f4 00 00 00 00 65 48 8b 04
25 28
[ 9.859329] RIP: tcf_block_put+0xf/0x50 RSP: ffffac13c160f9b8
[ 9.859330] CR2: 0000000000000018
[ 9.859332] ---[ end trace 92295ce23d2d8592 ]---
Things have gone wrong somewhere between
commit aa2bc739ef4a181a7589eb009be96a870cc1788f
Author: Jakub Kicinski <jakub.kicin...@netronome.com>
Date: Mon Oct 30 13:46:47 2017 -0700
and:
commit ca82214144d925155977abe7c0af7c2c252b837f
Merge: f5333f80 75c119a
Author: David S. Miller <da...@davemloft.net>
Date: Sat Oct 7 00:28:54 2017 +0100
Merge branch 'tcp-rbtree-retransmit-queue'
--
Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619
