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FS#1807 - kernel null pointer deferernce in 18.06.01 on TP-Link Archer C2600 #8484

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openwrt-bot opened this issue Aug 23, 2018 · 0 comments
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dfberger:

OpenWrt 18.06.1, r7258-5eb055306f

root@portcullis:~# uname -a
Linux portcullis 4.14.63 #0 SMP Thu Aug 16 07:51:15 2018 armv7l GNU/Linux

cat /proc/cpuinfo

processor : 0
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 6.00
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32
CPU implementer : 0x51
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x04d
CPU revision : 0

processor : 1
model name : ARMv7 Processor rev 0 (v7l)
BogoMIPS : 12.50
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32
CPU implementer : 0x51
CPU architecture: 7
CPU variant : 0x2
CPU part : 0x04d
CPU revision : 0

Hardware : Generic DT based system
Revision : 0000
Serial : 0000000000000000

Aug 23 08:46:09 portcullis kernel: [352588.331680] Unable to handle kernel NULL pointer dereference at virtual address 00000c7c
Aug 23 08:46:09 portcullis kernel: [352588.331717] pgd = c0204000
Aug 23 08:46:09 portcullis kernel: [352588.338940] [00000c7c] *pgd=00000000
Aug 23 08:46:09 portcullis kernel: [352588.341446] Internal error: Oops: 17 [#1] SMP ARM
Aug 23 08:46:09 portcullis kernel: [352588.345260] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 ip
table_nat ipt_REJECT ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_mul
tiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_L
OG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf
_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache iptable_mangle iptable_filter ipt_ECN ip_tables ebtables ebt_vlan ebt_stp ebt_sn
at ebt_redirect ebt_pkttype ebt_nflog ebt_mark_m
Aug 23 08:46:09 portcullis kernel: [352588.398462] ebt_mark ebt_log ebt_limit ebt_ip6 ebt_ip ebt_dnat ebt_arpreply ebt_arp ebt_among ebt_802_3 crc_ccitt compat
br_netfilter act_connmark nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ledtrig
_usbport ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ifb sit tunnel4 ip_tunnel usb_storage leds_gpi
o xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform sd_mod ahci_platform libahci_platform libahci liba
ta scsi_mod ehci_hcd gpio_button_hotplug f2fs ext4 jbd2 mbcache crc32c_generic crc32_generic
Aug 23 08:46:09 portcullis kernel: [352588.459143] CPU: 0 PID: 2224 Comm: kworker/0:2 Not tainted 4.14.63 #0
Aug 23 08:46:09 portcullis kernel: [352588.481370] Hardware name: Generic DT based system
Aug 23 08:46:09 portcullis kernel: [352588.487889] Workqueue: events 0xc0640368
Aug 23 08:46:09 portcullis kernel: [352588.492653] task: d91a4f00 task.stack: d9cc0000
Aug 23 08:46:09 portcullis kernel: [352588.496820] pc : [] lr : [] psr: 80000013
Aug 23 08:46:09 portcullis kernel: [352588.501512] sp : d9cc1d50 ip : 00000000 fp : dd7f0aa8
Aug 23 08:46:09 portcullis kernel: [352588.507846] r10: 00000000 r9 : ffffffff r8 : 00000002
Aug 23 08:46:09 portcullis kernel: [352588.513141] r7 : d9cc1dd4 r6 : 15639ebb r5 : 00000006 r4 : 00000c7c
Aug 23 08:46:09 portcullis kernel: [352588.518440] r3 : de806024 r2 : 1fffa6f0 r1 : 00000000 r0 : 00000001
Aug 23 08:46:09 portcullis kernel: [352588.524777] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Aug 23 08:46:09 portcullis kernel: [352588.531376] Control: 10c5787d Table: 5b1c806a DAC: 00000051
Aug 23 08:46:09 portcullis kernel: [352588.538664] Process kworker/0:2 (pid: 2224, stack limit = 0xd9cc0210)
Aug 23 08:46:09 portcullis kernel: [352588.544482] Stack: (0xd9cc1d50 to 0xd9cc2000)
Aug 23 08:46:09 portcullis kernel: [352588.550999] 1d40: dd6914a8 00000001 20000013 c055d318
Aug 23 08:46:09 portcullis kernel: [352588.555440] 1d60: dd6914b4 fffffffe 00000000 c055e4ec 00000000 fffffffe 00000000 c0336d30
Aug 23 08:46:09 portcullis kernel: [352588.563687] 1d80: dd68b418 dd68b404 00000000 00000002 d9cc1dd4 c0337014 00000000 c0a15f08
Aug 23 08:46:09 portcullis kernel: [352588.571932] 1da0: dd68b400 c0a137d8 dd690d80 00000002 47868c00 47868c00 23c34600 c033705c
Aug 23 08:46:09 portcullis kernel: [352588.580179] 1dc0: 00000000 00003208 dd54be00 c05526a0 dd54be00 dd691a80 47868c00 23c34600
Aug 23 08:46:09 portcullis kernel: [352588.588426] 1de0: dd54be00 dd690d80 00000000 23c34600 dd4d6e00 c0554130 dd4d6e00 dd690cd8
Aug 23 08:46:09 portcullis kernel: [352588.596676] 1e00: 23c34600 dd4cf500 47868c00 47868c00 23c34600 c0554160 dd690d80 23c34600
Aug 23 08:46:09 portcullis kernel: [352588.604919] 1e20: 00000000 dd4d6e00 dd7f0c00 47868c00 23c34600 c0554528 dd7f0940 23c34600
Aug 23 08:46:09 portcullis kernel: [352588.613165] 1e40: dd7f0a80 ddc01010 dd7f0c00 c0554584 dcc01400 dd7f0940 dd7f0a80 c059b270
Aug 23 08:46:09 portcullis kernel: [352588.621412] 1e60: c0a60c8c 00000000 dcc93800 dd7f0c28 23c34600 47868c00 c093ec60 23c34600
Aug 23 08:46:09 portcullis kernel: [352588.629661] 1e80: dcc93900 dcc9391c 00000000 dcc93940 000927c0 dcc91200 ddc07500 c0641278
Aug 23 08:46:09 portcullis kernel: [352588.637906] 1ea0: 00000000 c06405ec 00009c40 dcc91200 00000000 c0a60c8c 00000000 00000001
Aug 23 08:46:09 portcullis kernel: [352588.646152] 1ec0: 000927c0 00000000 ddc07500 c063bcf4 00000002 00124f80 000927c0 00000021
Aug 23 08:46:09 portcullis kernel: [352588.654398] 1ee0: dcc92680 dcc91200 dcc92680 dcc92700 dcc92700 dcc939c0 00000008 c063ff20
Aug 23 08:46:09 portcullis kernel: [352588.662646] 1f00: dcc926b8 00000000 dcc92684 dcc91200 c0a1f618 00000000 00000008 c06403a0
Aug 23 08:46:09 portcullis kernel: [352588.670890] 1f20: dcc926b8 dcac9e80 ddc07500 ddc0a400 00000000 c032fa2c ddc07518 ffffe000
Aug 23 08:46:09 portcullis kernel: [352588.679138] 1f40: dcac9e80 ddc07500 dcac9e98 ddc07518 ffffe000 c0a02d00 00000008 c0330ad8
Aug 23 08:46:09 portcullis kernel: [352588.687385] 1f60: d9227ebc d773bb00 d9cc0000 d773b600 d9227ebc d773bb1c dcac9e80 c0330794
Aug 23 08:46:09 portcullis kernel: [352588.695631] 1f80: 00000000 c0335694 00000000 d773b600 c0335554 00000000 00000000 00000000
Aug 23 08:46:09 portcullis kernel: [352588.703879] 1fa0: 00000000 00000000 00000000 c0307f68 00000000 00000000 00000000 00000000
Aug 23 08:46:09 portcullis kernel: [352588.712123] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Aug 23 08:46:09 portcullis kernel: [352588.720371] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
Aug 23 08:46:09 portcullis kernel: [352588.728604] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.736842] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.742656] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.748561] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.754462] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.760365] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.766269] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.772171] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.778072] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.783975] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.789879] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.795784] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.801686] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.807588] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.813490] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.819394] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.825296] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.831200] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.837102] Function entered at [] from []
Aug 23 08:46:09 portcullis kernel: [352588.843020] Code: e5940000 ea000002 e1a06000 ea000000 (e5940000)
Aug 23 08:46:09 portcullis kernel: [352588.849034] ---[ end trace 3f720d0e9060ce5a ]---

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