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Opened 3 years ago

Last modified 3 years ago

#19233 new defect

kernel oops: kmem_cache_alloc+0x4c/0xec

Reported by: christian@… Owned by: developers
Priority: normal Milestone:
Component: kernel Version: Trunk
Keywords: Cc:

Description

$ cat /tmp/sysinfo/model 
TP-Link Archer C5 v1

$ uname -a
Linux foobar 3.18.9 #3 Fri Mar 20 17:03:33 CET 2015 mips GNU/Linux
CHAOS CALMER (Bleeding Edge, r44902)
[  980.930000] Unhandled kernel unaligned access[#1]:
[  980.930000] CPU: 0 PID: 8335 Comm: hotplug-call Not tainted 3.18.9 #3
[  980.930000] task: 85a1d838 ti: 858b4000 task.ti: 858b4000
[  980.930000] $ 0   : 00000000 00000000 00849b25 00000038
[  980.930000] $ 4   : 87802f00 000000d0 81102020 0003d593
[  980.930000] $ 8   : 858b5fe0 0000fc00 00000000 00000000
[  980.930000] $12   : 000000e5 7f9afe58 00000000 00000000
[  980.930000] $16   : 00849b25 87802f00 000000d0 858b5d58
[  980.930000] $20   : 858b5e08 858b5d70 80370000 00000202
[  980.930000] $24   : 00000000 8011b640                  
[  980.930000] $28   : 858b4000 858b5ca0 fffff8ff 801f2a50
[  980.930000] Hi    : 000000e4
[  980.930000] Lo    : 63fbf480
[  980.930000] epc   : 801b6e80 kmem_cache_alloc+0x4c/0xec
[  980.930000]     Not tainted
[  980.930000] ra    : 801f2a50 ovl_follow_link+0x88/0xd0
[  980.930000] Status: 1100fc03 KERNEL EXL IE 
[  980.930000] Cause : 00800010
[  980.930000] BadVA : 00849b25
[  980.930000] PrId  : 00019750 (MIPS 74Kc)
[  980.930000] 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 sch_teql em_nbyte sch_codel sch_dsmark em_meta sch_gred sch_htb cls_basic act_ipt sch_red act_police em_text sch_tbf sch_sfq 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 tun 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
[  980.930000] Process hotplug-call (pid: 8335, threadinfo=858b4000, task=85a1d838, tls=77ff5440)
[  980.930000] Stack : 858b5e08 858b5d70 80370000 00000202 810fe600 87405aa0 8740c9d8 801f2a50
          858b5d58 00000000 858b5d58 800669bc 858b5e08 858b5d58 87464088 854a4000
          8031edf4 801fdcec 00000001 81102184 00000141 81102188 858b5d10 00000000
          87b0d250 87464088 87b0d250 87464088 00000000 00000000 8031edf4 00000001
          858b5e08 ffffff9c 80370000 80375360 84e81300 849b2700 858b5e20 8012de90
          ...
[  980.930000] Call Trace:
[  980.930000] [<801b6e80>] kmem_cache_alloc+0x4c/0xec
[  980.930000] [<801f2a50>] ovl_follow_link+0x88/0xd0
[  980.930000] [<801fdcec>] path_openat+0x2d8/0x580
[  980.930000] [<8012de90>] do_filp_open+0x3c/0xa4
[  980.930000] [<80134108>] do_open_exec+0x28/0xfc
[  980.930000] [<801ef5cc>] open_exec+0x20/0x2c
[  980.930000] [<801c01fc>] load_elf_binary+0x200/0x1240
[  980.930000] [<80249e70>] search_binary_handler+0x88/0x1c8
[  980.930000] [<8012ce18>] do_execve+0x32c/0x4c0
[  980.930000] [<80062b5c>] handle_sys+0x11c/0x140
[  980.930000] 
[  980.930000] 
Code: 00408021  8e220014  02021021 <8c430000> 41666000  30c60001  000000c0  8e220000  8c450000 
[  981.300000] ---[ end trace 300a71b00dd6ce29 ]---
[  981.310000] Unhandled kernel unaligned access[#2]:
[  981.310000] CPU: 0 PID: 8335 Comm: hotplug-call Tainted: G      D        3.18.9 #3
[  981.310000] task: 85a1d838 ti: 858b4000 task.ti: 858b4000
[  981.310000] $ 0   : 00000000 00000000 00849b25 00000000
[  981.310000] $ 4   : 87802f00 00000020 81102020 0003d593
[  981.310000] $ 8   : 0a00123f 858b5834 00000000 00020010
[  981.310000] $12   : 000000e4 0000004e 00000000 0a00123f
[  981.310000] $16   : 00849b25 87802f00 00000020 00000011
[  981.310000] $20   : 00000001 ffffffff 00000000 00000000
[  981.310000] $24   : 00000000 86dc13cc                  
[  981.310000] $28   : 858b4000 858b56e8 00000001 801401e8
[  981.310000] Hi    : 00000028
[  981.310000] Lo    : 00000058
[  981.310000] epc   : 801b6e80 kmem_cache_alloc+0x4c/0xec
[  981.310000]     Tainted: G      D       
[  981.310000] ra    : 801401e8 dst_alloc+0x48/0x198
[  981.310000] Status: 1100fc03 KERNEL EXL IE 
[  981.310000] Cause : 00800010
[  981.310000] BadVA : 00849b25
[  981.310000] PrId  : 00019750 (MIPS 74Kc)
[  981.310000] 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 sch_teql em_nbyte sch_codel sch_dsmark em_meta sch_gred sch_htb cls_basic act_ipt sch_red act_police em_text sch_tbf sch_sfq 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 tun 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
[  981.310000] Process hotplug-call (pid: 8335, threadinfo=858b4000, task=85a1d838, tls=77ff5440)
[  981.310000] Stack : 00000000 00000000 00000002 80129ab4 ffffff80 803788d0 87824800 801401e8
          858b5798 869d8900 84cf5d00 80376040 0a00123f ffffff80 869d8900 84cf5d00
          00000000 00000000 80376040 8023acd4 87885000 00000001 00000000 858b5798
          00000011 00000001 0a000001 801960e4 000000c3 0000fcff 86b72800 8026c6e0
          00000000 c0736030 c0736000 86fdc4a4 00000000 00000017 00000000 0000442c
          ...
[  981.310000] Call Trace:
[  981.310000] [<801b6e80>] kmem_cache_alloc+0x4c/0xec
[  981.310000] [<801401e8>] dst_alloc+0x48/0x198
[  981.310000] [<8023acd4>] rt_dst_alloc+0x4c/0x58
[  981.310000] [<801960e4>] ip_route_input_noref+0x774/0x9b0
[  981.310000] [<800cf290>] arp_process+0x1e8/0x654
[  981.310000] [<800a3d30>] __netif_receive_skb_core+0x630/0x6b0
[  981.310000] [<800ed7d4>] br_handle_frame+0x2b8/0x3f0
[  981.310000] [<800a3bbc>] __netif_receive_skb_core+0x4bc/0x6b0
[  981.310000] [<800c1ec8>] ag71xx_poll+0x3fc/0x5d0
[  981.310000] [<801e277c>] net_rx_action+0x10c/0x1e0
[  981.310000] [<80091330>] __do_softirq+0xf8/0x230
[  981.310000] [<8019ccd0>] irq_exit+0x54/0x70
[  981.310000] [<80060830>] ret_from_irq+0x0/0x4
[  981.310000] [<801b7764>] kmsg_dump_get_buffer+0x2b4/0x308
[  981.310000] [<801119bc>] crashlog_do_dump+0x104/0x138
[  981.310000] [<801b7474>] kmsg_dump+0xe4/0x120
[  981.310000] [<80126d38>] die+0xb8/0x110
[  981.310000] [<8012a060>] do_ade+0x470/0x890
[  981.310000] [<80060820>] ret_from_exception+0x0/0x10
[  981.310000] [<801b6e80>] kmem_cache_alloc+0x4c/0xec
[  981.310000] [<801f2a50>] ovl_follow_link+0x88/0xd0
[  981.310000] [<801fdcec>] path_openat+0x2d8/0x580
[  981.310000] [<8012de90>] do_filp_open+0x3c/0xa4
[  981.310000] [<80134108>] do_open_exec+0x28/0xfc
[  981.310000] [<801ef5cc>] open_exec+0x20/0x2c
[  981.310000] [<801c01fc>] load_elf_binary+0x200/0x1240
[  981.310000] [<80249e70>] search_binary_handler+0x88/0x1c8
[  981.310000] [<8012ce18>] do_execve+0x32c/0x4c0
[  981.310000] [<80062b5c>] handle_sys+0x11c/0x140
[  981.310000] 
[  981.310000] 
Code: 00408021  8e220014  02021021 <8c430000> 41666000  30c60001  000000c0  8e220000  8c450000 
[  981.770000] ---[ end trace 300a71b00dd6ce2a ]---
[  981.770000] Kernel panic - not syncing: Fatal exception in interrupt
[  981.770000] Rebooting in 3 seconds..

Attachments (0)

Change History (1)

comment:1 Changed 3 years ago by anonymous

another one on startup of archer-c5:

[   50.580000] CPU 0 Unable to handle kernel paging request at virtual address 0086b814, epc == 801b6e80, ra == 86d24ec0
[   50.590000] Oops[#1]:
[   50.590000] CPU: 0 PID: 1217 Comm: netifd Not tainted 3.18.9 #2
[   50.590000] task: 87b94e88 ti: 87ba8000 task.ti: 87ba8000
[   50.590000] $ 0   : 00000000 00000000 0086b814 00000000
[   50.590000] $ 4   : 87802f00 00008020 81102020 0001ab26
[   50.590000] $ 8   : ffffffc3 00000002 00000002 ffeb0cc3
[   50.590000] $12   : 00000000 8582da9a 00000000 00000000
[   50.590000] $16   : 0086b814 87802f00 00008020 00000048
[   50.590000] $20   : 85a4b180 86d40000 00000004 86d0cfd0
[   50.590000] $24   : 00000002 801457bc                  
[   50.590000] $28   : 87ba8000 87ba9bf0 00000002 86d24ec0
[   50.590000] Hi    : 0000000a
[   50.590000] Lo    : 00000000
[   50.590000] epc   : 801b6e80 kmem_cache_alloc+0x4c/0xec
[   50.590000]     Not tainted
[   50.590000] ra    : 86d24ec0 icmpv6_cleanup+0x3110/0x3564 [ipv6]
[   50.590000] Status: 1100fc03 KERNEL EXL IE 
[   50.590000] Cause : 00800008
[   50.590000] BadVA : 0086b814
[   50.590000] PrId  : 00019750 (MIPS 74Kc)
[   50.590000] 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_queue nfnetlink_log 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 sch_teql em_nbyte sch_codel sch_dsmark em_meta sch_gred sch_htb cls_basic act_ipt sch_red act_police em_text sch_tbf sch_sfq 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 i2c_algo_pcf i2c_algo_pca ath10k_pci ath10k_core ath mac80211 cfg80211 compat i2c_dev 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 tun 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
[   50.590000] Process netifd (pid: 1217, threadinfo=87ba8000, task=87b94e88, tls=7721e750)
[   50.590000] Stack : 86dc4400 86aef700 00000000 00000000 86b0ad00 86a12000 86dc4400 86d24ec0
          00000100 001d0040 87ba9c78 86d1276c 3333ffeb 0cc30280 87ba9c78 86d010f4
          00000000 001d0040 00000000 ff000000 86b0ad00 00000000 80370000 86d25de4
          00000020 00000000 86b3d500 00000008 00000000 86b3d500 00000015 86d0b368
          ffffffff 00000000 fe800000 00000000 ff020000 00000000 00000001 ffeb0cc3
          ...
[   50.590000] Call Trace:
[   50.590000] [<801b6e80>] kmem_cache_alloc+0x4c/0xec
[   50.590000] [<86d24ec0>] icmpv6_cleanup+0x3110/0x3564 [ipv6]
[   50.590000] 
[   50.590000] 
Code: 00408021  8e220014  02021021 <8c430000> 41666000  30c60001  000000c0  8e220000  8c450000 
[   50.930000] ---[ end trace 6062dc8a027dd413 ]---

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