#19223: kernel oops: nf_conntrack_find_get+0x5c/0x88 [nf_conntrack]
--------------------------+------------------------
Reporter: christian@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Resolution: | Keywords:
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Comment (by christian@…):
this also happens on Archer-c5 with r44902:
{{{
[ 738.360000] CPU 0 Unable to handle kernel paging request at virtual
address 00200200, epc == 869206f4, ra == 86921b00
[ 738.370000] Oops[#1]:
[ 738.370000] CPU: 0 PID: 1193 Comm: netifd Not tainted 3.18.9 #2
[ 738.370000] task: 87b9ba20 ti: 86a0c000 task.ti: 86a0c000
[ 738.370000] $ 0 : 00000000 00000000 80000001 00200200
[ 738.370000] $ 4 : 86a48360 00000001 00000000 86a483b8
[ 738.370000] $ 8 : 3f5f7c78 86a0d8f0 00000000 00000000
[ 738.370000] $12 : 95450002 858a2b5a 00000000 ffffffff
[ 738.370000] $16 : 00000361 00000361 86a48360 80376040
[ 738.370000] $20 : 80376040 00000000 00000623 80376040
[ 738.370000] $24 : 00000000 86927850
[ 738.370000] $28 : 86a0c000 86a0d9a0 86a483a0 86921b00
[ 738.370000] Hi : 00000623
[ 738.370000] Lo : b63a9000
[ 738.370000] epc : 869206f4 nf_conntrack_find_get+0x68/0x88
[nf_conntrack]
[ 738.370000] Not tainted
[ 738.370000] ra : 86921b00 __nf_conntrack_confirm+0xc4/0x398
[nf_conntrack]
[ 738.370000] Status: 1100fc03 KERNEL EXL IE
[ 738.370000] Cause : 8080000c
[ 738.370000] BadVA : 00200200
[ 738.370000] PrId : 00019750 (MIPS 74Kc)
[ 738.370000] Modules linked in: iptable_nat ath9k nf_nat_ipv4
nf_conntrack_netlink nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT
ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute ath9k_common
xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_quota xt_policy
xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit
xt_length xt_id xt_hl xt_esp xt_ecn xt_dscp xt_conntrack xt_comment
xt_addrtype xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY
rfcomm nfnetlink nf_reject_ipv4 nf_nat_masquerade_ipv4 nf_nat nf_log_ipv4
nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack
iptable_raw iptable_mangle iptable_filter ipt_ah ipt_ECN ip_tables hidp
hci_uart ebtables ebt_vlan ebt_stp ebt_snat ebt_redirect ebt_pkttype
ebt_mark_m ebt_mark ebt_limit ebt_ip ebt_dnat ebt_arpreply ebt_arp
ebt_among ebt_802_3 crc_ccitt btusb bnep bluetooth ath9k_hw em_cmp
em_nbyte sch_dsmark em_meta sch_gred sch_htb sch_teql act_ipt sch_red
sch_codel act_police em_text sch_tbf sch_sfq cls_basic sch_prio
act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route
cls_fw sch_hfsc sch_ingress hid evdev input_core ath10k_pci ath10k_core
ath mac80211 cfg80211 compat ledtrig_usbdev ledtrig_gpio batman_adv
libcrc32c crc16 ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common
ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables ipcomp6
xfrm6_tunnel xfrm6_mode_tunnel xfrm6_mode_transport xfrm6_mode_beet esp6
ah6 ipcomp xfrm4_tunnel xfrm4_mode_tunnel xfrm4_mode_transport
xfrm4_mode_beet esp4 ah4 tunnel6 tunnel4 af_key xfrm_user xfrm_ipcomp
xfrm_algo ipv6 chainiv eseqiv crypto_wq sha1_generic krng rng md5 hmac
des_generic deflate zlib_inflate zlib_deflate cbc authenc aead arc4
crypto_blkcipher ledtrig_transient ehci_pci ehci_platform ehci_hcd
gpio_button_hotplug usbcore nls_base usb_common crc32c_generic crypto_hash
[ 738.370000] Process netifd (pid: 1193, threadinfo=86a0c000,
task=87b9ba20, tls=779db750)
[ 738.370000] Stack : 00000000 00000001 86a05600 86e79e00 86a0da38
8036982c 8569ecc0 8687b000
00000001 00000004 00000001 00000003 ffffff62 801e9804 00000000
8687b000
86e79e00 86a0da20 801903c4 8569ecc0 86e65228 00000000 80369824
8569ecc0
8569ecc0 00000001 8036982c 00000002 8687b000 801e93b0 00000000
86a0da28
00000000 0a000135 00000000 86a0da38 801903c4 80000000 86e65228
87b04854
...
[ 738.370000] Call Trace:
[ 738.370000] [<869206f4>] nf_conntrack_find_get+0x68/0x88 [nf_conntrack]
[ 738.370000]
[ 738.370000]
Code: 00020336 8c820008 30450001 <14a00002> ac620000 ac430004 3c020020
24420200 ac82000c
[ 738.700000] ---[ end trace fc749023a576f4fd ]---
[ 738.700000] Kernel panic - not syncing: Fatal exception in interrupt
[ 738.700000] Rebooting in 3 seconds..
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/19223#comment:1>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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