#20419: BUG: unable to handle kernel NULL pointer
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Reporter: anonymous | Owner: developers
Type: defect | Status: new
Priority: highest | Milestone: Chaos Calmer (trunk)
Component: kernel | Version: Trunk
Keywords: |
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[65922.965122] BUG: unable to handle kernel NULL pointer dereference at
00000284
[65922.965560] IP: [<f85bd3c6>] 0xf85bd3c6
[65922.965811] *pde = 00000000
[65922.966022] Oops: 0000 [#3] SMP
[65922.966326] Modules linked in: pppoe ppp_async iptable_nat pppox
ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT
ipt_MASQUERADE xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark
xt_mac xt_limit xt_id xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG
xt_CT via_velocity via_rhine slhc sis900 r8169 pcnet32 nf_reject_ipv4
nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6
nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp nf_conntrack ne2k_pci
iptable_raw iptable_mangle iptable_filter ip_tables e1000e e100 crc_ccitt
8390 8139too ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common
ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables 3c59x
e1000 tun natsemi ipv6 tg3 hwmon ptp pps_core mii libphy
[65922.972258] CPU: 0 PID: 2740 Comm: pppd Tainted: G D
3.18.20 #1
[65922.972589] Hardware name: VMware, Inc. VMware Virtual Platform/440BX
Desktop Reference Platform, BIOS 6.00 09/30/2014
[65922.973104] task: eba32a80 ti: e96d4000 task.ti: e96d4000
[65922.973385] EIP: 0060:[<f85bd3c6>] EFLAGS: 00010202 CPU: 0
[65922.973658] EIP is at 0xf85bd3c6
[65922.973854] EAX: 00000000 EBX: e96e0400 ECX: 000000f5 EDX: fffffe01
[65922.974176] ESI: f85bd840 EDI: c0980a80 EBP: f6869f10 ESP: e96d5de0
[65922.974500] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[65922.974785] CR0: 8005003b CR2: 00000284 CR3: 0163a000 CR4: 000007d0
[65922.975102] Stack:
[65922.975207] 00000000 c0980a9c 00000008 c0980a80 f85bd840 c0980a9c
f6869f10 c1389854
[65922.975715] 00000000 e95aea80 e95aea80 00000008 c13898c8 c10baedd
00000001 00000000
[65922.976222] 00000000 ed932a00 e95aea88 e95aec00 eba32e14 eba32a80
c1645de8 c1043b6d
[65922.976729] Call Trace:
[65922.976850] [<c1389854>] ? sock_release+0x14/0x80
[65922.977033] [<c13898c8>] ? sock_close+0x8/0x10
[65922.977220] [<c10baedd>] ? __fput+0xcd/0x180
[65922.977399] [<c1043b6d>] ? task_work_run+0x6d/0x90
[65922.977585] [<c10329c0>] ? do_exit+0x2c0/0x760
[65922.977776] [<c1038c1b>] ? recalc_sigpending+0xb/0x20
[65922.977966] [<c1039275>] ? dequeue_signal+0x155/0x170
[65922.978182] [<c103399e>] ? do_group_exit+0x5e/0x90
[65922.978443] [<c103b1c9>] ? get_signal+0x479/0x4d0
[65922.978699] [<c1001895>] ? do_signal+0x15/0x840
[65922.979033] [<c1051c81>] ? pick_next_task_fair+0xb1/0x3b0
[65922.979282] [<c1055e5c>] ? remove_wait_queue+0xc/0x40
[65922.979475] [<c10693eb>] ? ktime_get_ts64+0x5b/0x120
[65922.979716] [<c10c8c71>] ? poll_select_copy_remaining+0xe1/0x120
[65922.979954] [<c10c97b9>] ? SyS_select+0xb9/0xd0
[65922.980162] [<c10020dc>] ? do_notify_resume+0x1c/0x50
[65922.980391] [<c1436b0f>] ? work_notifysig+0x20/0x25
[65922.980579] [<c1430000>] ? mm_fault_error+0x4f/0x123
[65922.980812] Code: dc c8 8b 83 b4 00 00 00 a8 01 74 11 89 d8 e8 02 f3 dc
c8 b8 f7 ff ff ff e9 f1 00 00 00 0f b6 43 12 a8 0b 74 19 8b 83 e4 01 00 00
<8b> 80 84 02 00 00 64 ff 08 c7 83 e4 01 00 00 00 00 00 00 89 d8
[65922.984203] EIP: [<f85bd3c6>] 0xf85bd3c6 SS:ESP 0068:e96d5de0
[65922.984593] CR2: 0000000000000284
[65922.984786] ---[ end trace 920c5e8c1036dd7b ]---
[65922.984994] Fixing recursive fault but reboot is needed!
Chaos Calmer RC3
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Ticket URL: <https://dev.openwrt.org/ticket/20419>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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