#19194: ar71xx - tplink 4300: oops Unhandled kernel unaligned access
-------------------------------+------------------------
Reporter: christian@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Keywords: oops ar71xx trunk |
-------------------------------+------------------------
with a trunk kernel from today:
{{{
[ 46.170000] Unhandled kernel unaligned access[#1]:
[ 46.170000] CPU: 0 PID: 2218 Comm: hotplug-call Not tainted 3.18.8 #1
[ 46.170000] task: 860226c0 ti: 86b36000 task.ti: 86b36000
[ 46.170000] $ 0 : 00000000 00c0fec3 ffffffff 00000038
[ 46.170000] $ 4 : 87802f00 000000d0 81102020 000172b2
[ 46.170000] $ 8 : 00000051 80064f30 75436c69 62632e73
[ 46.170000] $12 : 00000000 00000000 00000000 00000000
[ 46.170000] $16 : ffffffff 87802f00 000000d0 86b37d58
[ 46.170000] $20 : 86b37e08 86b37d70 80370000 00000202
[ 46.170000] $24 : 00000000 801f2fe8
[ 46.170000] $28 : 86b36000 86b37ca0 fffff8ff 801f232c
[ 46.170000] Hi : 000001b6
[ 46.170000] Lo : 0001b0b9
[ 46.170000] epc : 801b6aa0 kmem_cache_alloc+0x4c/0xec
[ 46.170000] Not tainted
[ 46.170000] ra : 801f232c ovl_follow_link+0x88/0xd0
[ 46.170000] Status: 1100dc03 KERNEL EXL IE
[ 46.170000] Cause : 00800010
[ 46.170000] BadVA : ffffffff
[ 46.170000] PrId : 0001974c (MIPS 74Kc)
[ 46.170000] 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
ts_kmp ts_fsm ts_bm 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 macvlan 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 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 ipip tunnel6 tunnel4 ip_tunnel 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 ehci_pci ehci_platform ehci_hcd gpio_button_hotplug
usbcore nls_base usb_common crc32c_generic crypto_hash
[ 46.170000] Process hotplug-call (pid: 2218, threadinfo=86b36000,
task=860226c0, tls=77ad8440)
[ 46.170000] Stack : 87456b90 874605d8 00000000 00000000 810fe5c0
87405a18 8740c9d8 801f232c
86b37d58 00000000 86013f00 8031ddb4 86b37e08 86b37d58 87460dd0
86013f00
8031ddb4 801fd5c8 00000001 81102184 00000141 81102188 86b37d10
00000000
87b3d0d0 87460dd0 87b3d0d0 87460dd0 00000000 00000000 8031ddb4
00000001
86b37e08 ffffff9c 80370000 80375360 86011e00 8610bf80 86b37e20
8012dc18
...
[ 46.170000] Call Trace:
[ 46.170000] [<801b6aa0>] kmem_cache_alloc+0x4c/0xec
[ 46.170000] [<801f232c>] ovl_follow_link+0x88/0xd0
[ 46.170000] [<801fd5c8>] path_openat+0x2d8/0x580
[ 46.170000] [<8012dc18>] do_filp_open+0x3c/0xa4
[ 46.170000] [<80133e90>] do_open_exec+0x28/0xfc
[ 46.170000] [<801eeea8>] open_exec+0x20/0x2c
[ 46.170000] [<801bfe1c>] load_elf_binary+0x200/0x1240
[ 46.170000] [<802496e8>] search_binary_handler+0x88/0x1c8
[ 46.170000] [<8012cba0>] do_execve+0x32c/0x4c0
[ 46.170000] [<80062b5c>] handle_sys+0x11c/0x140
[ 46.170000]
[ 46.170000]
Code: 00408021 8e220014 02021021 <8c430000> 41666000 30c60001 000000c0
8e220000 8c450000
[ 46.530000] ---[ end trace 4eedc3637e7456a2 ]---
[ 46.550000] Unhandled kernel unaligned access[#2]:
[ 46.550000] CPU: 0 PID: 1877 Comm: ntpd Tainted: G D 3.18.8
#1
[ 46.550000] task: 86197548 ti: 8632e000 task.ti: 8632e000
[ 46.550000] $ 0 : 00000000 00000000 ffffffff 87610c40
[ 46.550000] $ 4 : 87802f00 000000d0 81102020 000172b2
[ 46.550000] $ 8 : 00000002 84080018 8007d250 00000002
[ 46.550000] $12 : 7fc668d8 0000001f 273c9fcf 1b162ce3
[ 46.550000] $16 : ffffffff 87802f00 000000d0 00000000
[ 46.550000] $20 : 80376040 00000000 00000000 00000000
[ 46.550000] $24 : 00000002 77ea3ad0
[ 46.550000] $28 : 8632e000 8632fe20 7fc8c788 8026b9bc
[ 46.550000] Hi : 148b2773
[ 46.550000] Lo : ff7c0000
[ 46.550000] epc : 801b6aa0 kmem_cache_alloc+0x4c/0xec
[ 46.550000] Tainted: G D
[ 46.550000] ra : 8026b9bc sock_alloc_inode+0x3c/0xb4
[ 46.550000] Status: 1100dc03 KERNEL EXL IE
[ 46.550000] Cause : 00800010
[ 46.550000] BadVA : ffffffff
[ 46.550000] PrId : 0001974c (MIPS 74Kc)
[ 46.550000] 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
ts_kmp ts_fsm ts_bm 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 macvlan 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 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 ipip tunnel6 tunnel4 ip_tunnel 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 ehci_pci ehci_platform ehci_hcd gpio_button_hotplug
usbcore nls_base usb_common crc32c_generic crypto_hash
[ 46.550000] Process ntpd (pid: 1877, threadinfo=8632e000,
task=86197548, tls=77f55440)
[ 46.550000] Stack : 87610498 00000007 00000000 00000000 876109a0
87804e00 80370000 8026b9bc
86197548 86197578 00000000 80320000 00000002 87804e00 00000001
800c3514
80323c00 80149b20 87610440 87b78030 8036b750 00000002 00000002
801e7a18
00000001 80230394 86197548 00000000 86197548 8026b7e8 8036b750
80066634
86bb1460 875aed48 00000002 800b0054 7fc66b10 77e95cd0 7fc8c7d8
8016b900
...
[ 46.550000] Call Trace:
[ 46.550000] [<801b6aa0>] kmem_cache_alloc+0x4c/0xec
[ 46.550000] [<8026b9bc>] sock_alloc_inode+0x3c/0xb4
[ 46.550000] [<800c3514>] alloc_inode+0x28/0xa8
[ 46.550000] [<801e7a18>] new_inode_pseudo+0x10/0x34
[ 46.550000] [<8026b7e8>] sock_alloc+0x1c/0xac
[ 46.550000] [<800b0054>] __sock_create+0x84/0x1a8
[ 46.550000] [<8026bdfc>] sock_create+0x38/0x44
[ 46.550000] [<8007d284>] SyS_socket+0x34/0xcc
[ 46.550000] [<80062b5c>] handle_sys+0x11c/0x140
[ 46.550000]
[ 46.550000]
Code: 00408021 8e220014 02021021 <8c430000> 41666000 30c60001 000000c0
8e220000 8c450000
[ 46.910000] ---[ end trace 4eedc3637e7456a3 ]---
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/19194>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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