#18799: BUG: unable to handle kernel NULL pointer dereference
------------------------+----------------------------------
Reporter: 7501799@… | Owner: developers
Type: defect | Status: reopened
Priority: high | Milestone: Chaos Calmer (trunk)
Component: packages | Version: Trunk
Resolution: | Keywords:
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Changes (by anonymous):
* status: closed => reopened
* resolution: no_response =>
Comment:
[48775.776359] BUG: unable to handle kernel NULL pointer dereference at
0000000000000400
[48775.784453] IP: [<ffffffffa0240497>] 0xffffffffa0240497
[48775.789823] PGD 0
[48775.791941] Oops: 0000 [#1] SMP
[48775.795282] Modules linked in: pppoe ppp_async iptable_nat pptp pppox
ppp_mppe ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda
nf_conntrack_pptp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack_amanda
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 ts_kmp ts_fsm ts_bm slhc r8169 nf_reject_ipv4
nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre
nf_nat_masquerade_ipv4 nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat
nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_tftp
nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache
nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp
nf_conntrack_broadcast nf_conntrack iptable_raw iptable_mangle
iptable_filter ip_tables e1000e crc_ccitt ip6t_REJECT nf_reject_ipv6
nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter
ip6_tables x_tables ip_gre gre e1000 ip_tunnel tun ipv6 sha1_generic ecb
arc4 crypto_blkcipher ptp pps_core mii
[48775.889549] CPU: 0 PID: 3666 Comm: pppd Not tainted 3.18.11 #2
[48775.895507] task: ffff88005b938000 ti: ffff880059704000 task.ti:
ffff880059704000
[48775.903165] RIP: 0010:[<ffffffffa0240497>] [<ffffffffa0240497>]
0xffffffffa0240497
[48775.911051] RSP: 0018:ffff880059707c38 EFLAGS: 00010202
[48775.916481] RAX: 0000000000000000 RBX: ffff880057860800 RCX:
0000000000000008
[48775.923779] RDX: 000000000000002d RSI: 00000000fffffe01 RDI:
ffffffff8131858c
[48775.931023] RBP: ffffffffa0240b00 R08: 0000000000000000 R09:
0000000000000000
[48775.938316] R10: ffffffff810e3dc1 R11: ffff880078b1f940 R12:
ffff880000832280
[48775.945605] R13: ffff880100363520 R14: ffff880063625300 R15:
ffff880064a09c10
[48775.952892] FS: 0000000000000000(0000) GS:ffff880100200000(0000)
knlGS:0000000000000000
[48775.961188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[48775.967020] CR2: 0000000000000400 CR3: 0000000001535000 CR4:
00000000001407f0
[48775.974307] Stack:
[48775.976386] 0000000163625d18 ffff880000832280 ffffffffa0240b00
ffff8800008322b0
[48775.984059] ffff880100363520 ffff880063625300 ffff880064a09c10
ffffffff81315629
[48775.991710] 0000000000000008 ffff880064a09c00 0000000000000008
ffffffff813156ad
[48775.999344] Call Trace:
[48776.001890] [<ffffffff81315629>] ? sock_release+0x19/0x90
[48776.008809] [<ffffffff813156ad>] ? sock_close+0xd/0x20
[48776.014152] [<ffffffff810d1919>] ? __fput+0xd9/0x1b0
[48776.019290] [<ffffffff8104bc66>] ? task_work_run+0x96/0xc0
[48776.024980] [<ffffffff810385bc>] ? do_exit+0x33c/0x8a0
[48776.030373] [<ffffffff811b27c0>] ? cpumask_next_and+0x30/0x50
[48776.036340] [<ffffffff810397f5>] ? do_group_exit+0x75/0xb0
[48776.042051] [<ffffffff81041f31>] ? get_signal+0x471/0x4e0
[48776.047705] [<ffffffff8100208e>] ? do_signal+0x1e/0x5c0
[48776.053131] [<ffffffff81261f88>] ? release_nodes+0xb8/0x1c0
[48776.058929] [<ffffffff810e3cb2>] ? dput+0x22/0x160
[48776.063924] [<ffffffff810d19bc>] ? __fput+0x17c/0x1b0
[48776.069192] [<ffffffff81002652>] ? do_notify_resume+0x22/0x60
[48776.075215] [<ffffffff813d7c40>] ? int_signal+0x12/0x17
[48776.080671] Code: 00 00 00 a8 01 74 15 48 89 df e8 35 81 0d e1 b8 f7 ff
ff ff e9 05 01 00 00 0f 1f 00 0f b6 43 12 a8 0b 74 1c 48 8b 83 c0 02 00 00
<48> 8b 80 00 04 00 00 65 ff 08 48 c7 83 c0 02 00 00 00 00 00 00
[48776.101031] RIP [<ffffffffa0240497>] 0xffffffffa0240497
[48776.106496] RSP <ffff880059707c38>
[48776.110064] CR2: 0000000000000400
[48776.113836] ---[ end trace 6162c0c0878eebc1 ]---
[48776.118572] Fixing recursive fault but reboot is needed!
--
Ticket URL: <https://dev.openwrt.org/ticket/18799#comment:4>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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