[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   20.888453] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.443022] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   26.777539] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   28.114563] random: nonblocking pool is initialized
Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts.
2018/08/01 06:35:06 parsed 1 programs

INIT: Id "2" respawning too fast: disabled for 5 minutes

INIT: Id "1" respawning too fast: disabled for 5 minutes

INIT: Id "5" respawning too fast: disabled for 5 minutes

INIT: Id "4" respawning too fast: disabled for 5 minutes

INIT: Id "6" respawning too fast: disabled for 5 minutes
2018/08/01 06:35:08 executed programs: 0
[  122.391341] IPVS: Creating netns size=2552 id=1
[  122.638890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  122.654473] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  122.737893] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  122.752991] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  122.837568] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  122.853971] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  122.870963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  122.889862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  123.653357] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  123.694800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  124.625086] 
[  124.626752] ===============================
[  124.631070] [ INFO: suspicious RCU usage. ]
[  124.635375] 4.4.143-g7bbfac1 #13 Not tainted
[  124.639761] -------------------------------
[  124.644090] kernel/rcu/tree_plugin.h:685 Illegal synchronize_rcu() in RCU read-side critical section!
[  124.653438] 
[  124.653438] other info that might help us debug this:
[  124.653438] 
[  124.661578] 
[  124.661578] rcu_scheduler_active = 1, debug_locks = 0
[  124.668234] 2 locks held by syz-executor0/4270:
[  124.672919]  #0:  (rcu_read_lock_bh){......}, at: [<ffffffff8342b825>] ip6_finish_output2+0x1d5/0x1ca0
[  124.683032]  #1:  (&n->lock){++--..}, at: [<ffffffff82fa4aef>] __neigh_event_send+0x2f/0xc50
[  124.692249] 
[  124.692249] stack backtrace:
[  124.696742] CPU: 1 PID: 4270 Comm: syz-executor0 Not tainted 4.4.143-g7bbfac1 #13
[  124.704342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  124.713685]  0000000000000000 042fb8fda8e4f785 ffff8800b9b0f000 ffffffff81e1002d
[  124.721736]  ffff8801d4ac8000 0000000000000000 0000000000000001 ffffffff83a676c0
[  124.730331]  ffff8800b79f2dd8 ffff8800b9b0f030 ffffffff8140e407 ffff8800b79f2c80
[  124.738375] Call Trace:
[  124.740946]  [<ffffffff81e1002d>] dump_stack+0xc1/0x124
[  124.746299]  [<ffffffff8140e407>] lockdep_rcu_suspicious.cold.47+0x110/0x141
[  124.753473]  [<ffffffff81281aa8>] synchronize_rcu+0x78/0xa0
[  124.759164]  [<ffffffff835a166a>] __l2tp_session_unhash+0x38a/0x520
[  124.765548]  [<ffffffff835a148c>] ? __l2tp_session_unhash+0x1ac/0x520
[  124.772104]  [<ffffffff835a5a30>] ? l2tp_udp_encap_recv+0xa40/0xa40
[  124.778483]  [<ffffffff835a19cb>] l2tp_tunnel_closeall+0x1cb/0x350
[  124.784789]  [<ffffffff835a22a2>] l2tp_tunnel_destruct+0x2f2/0x590
[  124.791086]  [<ffffffff835a215a>] ? l2tp_tunnel_destruct+0x1aa/0x590
[  124.797563]  [<ffffffff835a1fb0>] ? l2tp_tunnel_del_work+0x460/0x460
[  124.804045]  [<ffffffff82fa5112>] ? __neigh_event_send+0x652/0xc50
[  124.810342]  [<ffffffff82f3128c>] sk_destruct+0x4c/0x4c0
[  124.815768]  [<ffffffff82f3174f>] __sk_free+0x4f/0x220
[  124.821034]  [<ffffffff82f336d3>] sock_wfree+0x103/0x140
[  124.826458]  [<ffffffff82f335d0>] ? sk_receive_skb+0x940/0x940
[  124.832406]  [<ffffffff82f37353>] skb_release_head_state+0x103/0x210
[  124.838874]  [<ffffffff82f39235>] skb_release_all+0x15/0x60
[  124.844565]  [<ffffffff82f39295>] __kfree_skb+0x15/0x20
[  124.849903]  [<ffffffff82f39397>] kfree_skb+0xf7/0x3e0
[  124.855157]  [<ffffffff82fa5112>] __neigh_event_send+0x652/0xc50
[  124.861291]  [<ffffffff82faaa2b>] neigh_resolve_output+0x4eb/0x790
[  124.867595]  [<ffffffff81e6fb7b>] ? check_preemption_disabled+0x3b/0x170
[  124.874415]  [<ffffffff8127fc92>] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[  124.881671]  [<ffffffff8342bf79>] ip6_finish_output2+0x929/0x1ca0
[  124.887884]  [<ffffffff8342b825>] ? ip6_finish_output2+0x1d5/0x1ca0
[  124.894295]  [<ffffffff8342b650>] ? ip6_sk_dst_lookup_flow+0x580/0x580
[  124.900938]  [<ffffffff83466107>] ? ip6_mtu+0x217/0x340
[  124.906277]  [<ffffffff834355b8>] ip6_finish_output+0x3b8/0x760
[  124.912321]  [<ffffffff83435b18>] ip6_output+0x1b8/0x520
[  124.917748]  [<ffffffff83435960>] ? ip6_finish_output+0x760/0x760
[  124.923963]  [<ffffffff83435200>] ? ip6_fragment+0x3510/0x3510
[  124.929950]  [<ffffffff834632b2>] ? rt6_check_expired+0xa2/0x120
[  124.936078]  [<ffffffff8355f0bb>] ip6_local_out+0x9b/0x180
[  124.941679]  [<ffffffff83437b51>] ip6_send_skb+0xa1/0x340
[  124.947195]  [<ffffffff838b161b>] ? csum_ipv6_magic+0x2b/0x90
[  124.953060]  [<ffffffff834939fa>] udp_v6_send_skb+0x5ba/0xe70
[  124.958923]  [<ffffffff8349939e>] udpv6_sendmsg+0x1f2e/0x24c0
[  124.964789]  [<ffffffff832142b0>] ? ip_reply_glue_bits+0xc0/0xc0
[  124.970914]  [<ffffffff83497470>] ? udp6_lib_lookup2+0x990/0x990
[  124.977040]  [<ffffffff8122f070>] ? debug_check_no_locks_freed+0x210/0x210
[  124.984034]  [<ffffffff81c6fcf1>] ? sock_has_perm+0x1c1/0x400
[  124.989895]  [<ffffffff81c6fdcf>] ? sock_has_perm+0x29f/0x400
[  124.995764]  [<ffffffff81c6fbcf>] ? sock_has_perm+0x9f/0x400
[  125.001541]  [<ffffffff83302fc3>] ? inet_sendmsg+0x143/0x4d0
[  125.007315]  [<ffffffff83303083>] inet_sendmsg+0x203/0x4d0
[  125.013524]  [<ffffffff83302ef3>] ? inet_sendmsg+0x73/0x4d0
[  125.019226]  [<ffffffff83302e80>] ? inet_recvmsg+0x4c0/0x4c0
[  125.024998]  [<ffffffff82f2019c>] sock_sendmsg+0xcc/0x110
[  125.030510]  [<ffffffff82f21961>] ___sys_sendmsg+0x441/0x880
[  125.036288]  [<ffffffff812c9cb5>] ? hash_futex+0x15/0x210
[  125.041802]  [<ffffffff82f21520>] ? copy_msghdr_from_user+0x550/0x550
[  125.048358]  [<ffffffff812cc740>] ? get_futex_key+0xdc0/0xdc0
[  125.054218]  [<ffffffff82f2d8b6>] ? release_sock+0x3b6/0x500
[  125.059991]  [<ffffffff812d091d>] ? do_futex+0x12d/0x17f0
[  125.065507]  [<ffffffff835a63b0>] ? pppol2tp_recv+0x320/0x320
[  125.071370]  [<ffffffff812774f7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  125.078107]  [<ffffffff81578edf>] ? __fget_light+0x9f/0x1f0
[  125.083794]  [<ffffffff81579048>] ? __fdget+0x18/0x20
[  125.088959]  [<ffffffff82f1d0c6>] ? sockfd_lookup_light+0xb6/0x160
[  125.095261]  [<ffffffff82f23fe4>] __sys_sendmmsg+0x1d4/0x2e0
[  125.101034]  [<ffffffff82f23e10>] ? SyS_sendmsg+0x50/0x50
[  125.106549]  [<ffffffff81c50e9f>] ? security_socket_connect+0x8f/0xc0
[  125.113102]  [<ffffffff82f20b8a>] ? SYSC_connect+0x22a/0x300
[  125.118887]  [<ffffffff82f20960>] ? SYSC_bind+0x280/0x280
[  125.124411]  [<ffffffff812d2af1>] ? compat_SyS_futex+0x1e1/0x2f0
[  125.130533]  [<ffffffff812d2910>] ? compat_SyS_get_robust_list+0x310/0x310
[  125.137536]  [<ffffffff8300daa2>] compat_SyS_sendmmsg+0x32/0x40
[  125.143571]  [<ffffffff8300da70>] ? compat_SyS_sendmsg+0x40/0x40
[  125.149694]  [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0
[  125.155823]  [<ffffffff838c66ea>] sysenter_flags_fixed+0xd/0x17
[  125.161893] BUG: sleeping function called from invalid context at kernel/sched/completion.c:90
[  125.170726] in_atomic(): 1, irqs_disabled(): 0, pid: 4270, name: syz-executor0
[  125.178083] INFO: lockdep is turned off.
[  125.182135] Preemption disabled at:[<ffffffff834355b8>] ip6_finish_output+0x3b8/0x760
[  125.190207] 
[  125.191831] CPU: 1 PID: 4270 Comm: syz-executor0 Not tainted 4.4.143-g7bbfac1 #13
[  125.199442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  125.208773]  0000000000000000 042fb8fda8e4f785 ffff8800b9b0ed80 ffffffff81e1002d
[  125.216770]  ffff8801d4ac8000 0000000000000000 ffff8801d4ac8000 000000000000005a
[  125.224790]  ffff8801d4ac8000 ffff8800b9b0edb8 ffffffff8140c525 ffff8801d4ac8000
[  125.232791] Call Trace:
[  125.235356]  [<ffffffff81e1002d>] dump_stack+0xc1/0x124
[  125.240696]  [<ffffffff8140c525>] ___might_sleep.cold.116+0x1bd/0x1d3
[  125.247253]  [<ffffffff811a47a0>] __might_sleep+0x90/0x1a0
[  125.252852]  [<ffffffff838c4335>] ? _raw_spin_unlock_irqrestore+0x45/0x70
[  125.259756]  [<ffffffff838b9d39>] wait_for_completion+0x89/0x2e0
[  125.265876]  [<ffffffff81e6fb7b>] ? check_preemption_disabled+0x3b/0x170
[  125.272692]  [<ffffffff838b9cb0>] ? wait_for_completion_interruptible+0x460/0x460
[  125.280289]  [<ffffffff8122eb0d>] ? trace_hardirqs_on+0xd/0x10
[  125.286233]  [<ffffffff812773a7>] __wait_rcu_gp+0x137/0x1b0
[  125.291921]  [<ffffffff8127faa4>] synchronize_rcu.part.55+0x94/0xd0
[  125.298649]  [<ffffffff8127fa10>] ? synchronize_rcu_bh.part.54+0xd0/0xd0
[  125.305463]  [<ffffffff81285260>] ? __call_rcu.constprop.66+0x930/0x930
[  125.312195]  [<ffffffff81277240>] ? trace_raw_output_rcu_utilization+0x150/0x150
[  125.319714]  [<ffffffff8140e407>] ? lockdep_rcu_suspicious.cold.47+0x110/0x141
[  125.327052]  [<ffffffff81281a67>] synchronize_rcu+0x37/0xa0
[  125.332740]  [<ffffffff835a166a>] __l2tp_session_unhash+0x38a/0x520
[  125.339122]  [<ffffffff835a148c>] ? __l2tp_session_unhash+0x1ac/0x520
[  125.345677]  [<ffffffff835a5a30>] ? l2tp_udp_encap_recv+0xa40/0xa40
[  125.352057]  [<ffffffff835a19cb>] l2tp_tunnel_closeall+0x1cb/0x350
[  125.358351]  [<ffffffff835a22a2>] l2tp_tunnel_destruct+0x2f2/0x590
[  125.364643]  [<ffffffff835a215a>] ? l2tp_tunnel_destruct+0x1aa/0x590
[  125.371111]  [<ffffffff835a1fb0>] ? l2tp_tunnel_del_work+0x460/0x460
[  125.378274]  [<ffffffff82fa5112>] ? __neigh_event_send+0x652/0xc50
[  125.384828]  [<ffffffff82f3128c>] sk_destruct+0x4c/0x4c0
[  125.390253]  [<ffffffff82f3174f>] __sk_free+0x4f/0x220
[  125.395508]  [<ffffffff82f336d3>] sock_wfree+0x103/0x140
[  125.400987]  [<ffffffff82f335d0>] ? sk_receive_skb+0x940/0x940
[  125.406947]  [<ffffffff82f37353>] skb_release_head_state+0x103/0x210
[  125.413415]  [<ffffffff82f39235>] skb_release_all+0x15/0x60
[  125.419103]  [<ffffffff82f39295>] __kfree_skb+0x15/0x20
[  125.424451]  [<ffffffff82f39397>] kfree_skb+0xf7/0x3e0
[  125.429703]  [<ffffffff82fa5112>] __neigh_event_send+0x652/0xc50
[  125.435823]  [<ffffffff82faaa2b>] neigh_resolve_output+0x4eb/0x790
[  125.442120]  [<ffffffff81e6fb7b>] ? check_preemption_disabled+0x3b/0x170
[  125.448934]  [<ffffffff8127fc92>] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[  125.456182]  [<ffffffff8342bf79>] ip6_finish_output2+0x929/0x1ca0
[  125.462396]  [<ffffffff8342b825>] ? ip6_finish_output2+0x1d5/0x1ca0
[  125.468777]  [<ffffffff8342b650>] ? ip6_sk_dst_lookup_flow+0x580/0x580
[  125.475433]  [<ffffffff83466107>] ? ip6_mtu+0x217/0x340
[  125.480775]  [<ffffffff834355b8>] ip6_finish_output+0x3b8/0x760
[  125.486809]  [<ffffffff83435b18>] ip6_output+0x1b8/0x520
[  125.492234]  [<ffffffff83435960>] ? ip6_finish_output+0x760/0x760
[  125.498438]  [<ffffffff83435200>] ? ip6_fragment+0x3510/0x3510
[  125.504386]  [<ffffffff834632b2>] ? rt6_check_expired+0xa2/0x120
[  125.510508]  [<ffffffff8355f0bb>] ip6_local_out+0x9b/0x180
[  125.516122]  [<ffffffff83437b51>] ip6_send_skb+0xa1/0x340
[  125.521741]  [<ffffffff838b161b>] ? csum_ipv6_magic+0x2b/0x90
[  125.527601]  [<ffffffff834939fa>] udp_v6_send_skb+0x5ba/0xe70
[  125.533473]  [<ffffffff8349939e>] udpv6_sendmsg+0x1f2e/0x24c0
[  125.539336]  [<ffffffff832142b0>] ? ip_reply_glue_bits+0xc0/0xc0
[  125.545456]  [<ffffffff83497470>] ? udp6_lib_lookup2+0x990/0x990
[  125.551582]  [<ffffffff8122f070>] ? debug_check_no_locks_freed+0x210/0x210
[  125.558588]  [<ffffffff81c6fcf1>] ? sock_has_perm+0x1c1/0x400
[  125.564452]  [<ffffffff81c6fdcf>] ? sock_has_perm+0x29f/0x400
[  125.570314]  [<ffffffff81c6fbcf>] ? sock_has_perm+0x9f/0x400
[  125.576091]  [<ffffffff83302fc3>] ? inet_sendmsg+0x143/0x4d0
[  125.581866]  [<ffffffff83303083>] inet_sendmsg+0x203/0x4d0
[  125.587465]  [<ffffffff83302ef3>] ? inet_sendmsg+0x73/0x4d0
[  125.593151]  [<ffffffff83302e80>] ? inet_recvmsg+0x4c0/0x4c0
[  125.598941]  [<ffffffff82f2019c>] sock_sendmsg+0xcc/0x110
[  125.604453]  [<ffffffff82f21961>] ___sys_sendmsg+0x441/0x880
[  125.610226]  [<ffffffff812c9cb5>] ? hash_futex+0x15/0x210
[  125.615743]  [<ffffffff82f21520>] ? copy_msghdr_from_user+0x550/0x550
[  125.622300]  [<ffffffff812cc740>] ? get_futex_key+0xdc0/0xdc0
[  125.628165]  [<ffffffff82f2d8b6>] ? release_sock+0x3b6/0x500
[  125.633939]  [<ffffffff812d091d>] ? do_futex+0x12d/0x17f0
[  125.639453]  [<ffffffff835a63b0>] ? pppol2tp_recv+0x320/0x320
[  125.645316]  [<ffffffff812774f7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  125.652048]  [<ffffffff81578edf>] ? __fget_light+0x9f/0x1f0
[  125.657736]  [<ffffffff81579048>] ? __fdget+0x18/0x20
[  125.662901]  [<ffffffff82f1d0c6>] ? sockfd_lookup_light+0xb6/0x160
[  125.669195]  [<ffffffff82f23fe4>] __sys_sendmmsg+0x1d4/0x2e0
[  125.674969]  [<ffffffff82f23e10>] ? SyS_sendmsg+0x50/0x50
[  125.680484]  [<ffffffff81c50e9f>] ? security_socket_connect+0x8f/0xc0
[  125.687046]  [<ffffffff82f20b8a>] ? SYSC_connect+0x22a/0x300
[  125.692821]  [<ffffffff82f20960>] ? SYSC_bind+0x280/0x280
[  125.698334]  [<ffffffff812d2af1>] ? compat_SyS_futex+0x1e1/0x2f0
[  125.704542]  [<ffffffff812d2910>] ? compat_SyS_get_robust_list+0x310/0x310
[  125.711543]  [<ffffffff8300daa2>] compat_SyS_sendmmsg+0x32/0x40
[  125.717578]  [<ffffffff8300da70>] ? compat_SyS_sendmsg+0x40/0x40
[  125.723788]  [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0
[  125.729912]  [<ffffffff838c66ea>] sysenter_flags_fixed+0xd/0x17
[  125.735976] BUG: scheduling while atomic: syz-executor0/4270/0x00000402
[  125.742708] INFO: lockdep is turned off.
[  125.746745] Modules linked in:
[  125.750045] Preemption disabled at:[<ffffffff834355b8>] ip6_finish_output+0x3b8/0x760
[  125.758124] 
[  125.759734] CPU: 1 PID: 4270 Comm: syz-executor0 Not tainted 4.4.143-g7bbfac1 #13
[  125.767327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  125.776659]  0000000000000000 042fb8fda8e4f785 ffff8800b9b0ebd8 ffffffff81e1002d
[  125.784668]  ffff8801d4ac8000 0000000000000402 000000000001f4c0 0000000000000000
[  125.792680]  0000000000000001 ffff8800b9b0ebf8 ffffffff8140c619 ffff8801db31f4c0
[  125.800681] Call Trace:
[  125.803245]  [<ffffffff81e1002d>] dump_stack+0xc1/0x124
[  125.808673]  [<ffffffff8140c619>] __schedule_bug.cold.117+0xde/0x100
[  125.815153]  [<ffffffff838b5fff>] __schedule+0x11ff/0x1d70
[  125.820755]  [<ffffffff81015cd4>] ? dump_trace+0x184/0x360
[  125.826365]  [<ffffffff838b6d6a>] schedule+0x7a/0x1b0
[  125.831621]  [<ffffffff838c2181>] schedule_timeout+0x481/0x8b0
[  125.837570]  [<ffffffff838c1d00>] ? usleep_range+0x140/0x140
[  125.843345]  [<ffffffff81e10067>] ? dump_stack+0xfb/0x124
[  125.848884]  [<ffffffff838b9d41>] ? wait_for_completion+0x91/0x2e0
[  125.855195]  [<ffffffff8140c525>] ? ___might_sleep.cold.116+0x1bd/0x1d3
[  125.861924]  [<ffffffff838b9ea6>] ? wait_for_completion+0x1f6/0x2e0
[  125.868316]  [<ffffffff838b9eae>] wait_for_completion+0x1fe/0x2e0
[  125.875132]  [<ffffffff838b9cb0>] ? wait_for_completion_interruptible+0x460/0x460
[  125.882746]  [<ffffffff811c0590>] ? wake_up_process+0x20/0x20
[  125.888618]  [<ffffffff812773a7>] __wait_rcu_gp+0x137/0x1b0
[  125.894325]  [<ffffffff8127faa4>] synchronize_rcu.part.55+0x94/0xd0
[  125.900886]  [<ffffffff8127fa10>] ? synchronize_rcu_bh.part.54+0xd0/0xd0
[  125.908221]  [<ffffffff81285260>] ? __call_rcu.constprop.66+0x930/0x930
[  125.915048]  [<ffffffff81277240>] ? trace_raw_output_rcu_utilization+0x150/0x150
[  125.922562]  [<ffffffff8140e407>] ? lockdep_rcu_suspicious.cold.47+0x110/0x141
[  125.932778]  [<ffffffff81281a67>] synchronize_rcu+0x37/0xa0
[  125.938467]  [<ffffffff835a166a>] __l2tp_session_unhash+0x38a/0x520
[  125.944861]  [<ffffffff835a148c>] ? __l2tp_session_unhash+0x1ac/0x520
[  125.951430]  [<ffffffff835a5a30>] ? l2tp_udp_encap_recv+0xa40/0xa40
[  125.957812]  [<ffffffff835a19cb>] l2tp_tunnel_closeall+0x1cb/0x350
[  125.964127]  [<ffffffff835a22a2>] l2tp_tunnel_destruct+0x2f2/0x590
[  125.970421]  [<ffffffff835a215a>] ? l2tp_tunnel_destruct+0x1aa/0x590
[  125.976889]  [<ffffffff835a1fb0>] ? l2tp_tunnel_del_work+0x460/0x460
[  125.983361]  [<ffffffff82fa5112>] ? __neigh_event_send+0x652/0xc50
[  125.989666]  [<ffffffff82f3128c>] sk_destruct+0x4c/0x4c0
[  125.995090]  [<ffffffff82f3174f>] __sk_free+0x4f/0x220
[  126.000354]  [<ffffffff82f336d3>] sock_wfree+0x103/0x140
[  126.005782]  [<ffffffff82f335d0>] ? sk_receive_skb+0x940/0x940
[  126.011740]  [<ffffffff82f37353>] skb_release_head_state+0x103/0x210
[  126.018208]  [<ffffffff82f39235>] skb_release_all+0x15/0x60
[  126.023895]  [<ffffffff82f39295>] __kfree_skb+0x15/0x20
[  126.029241]  [<ffffffff82f39397>] kfree_skb+0xf7/0x3e0
[  126.034499]  [<ffffffff82fa5112>] __neigh_event_send+0x652/0xc50
[  126.040629]  [<ffffffff82faaa2b>] neigh_resolve_output+0x4eb/0x790
[  126.047460]  [<ffffffff81e6fb7b>] ? check_preemption_disabled+0x3b/0x170
[  126.054276]  [<ffffffff8127fc92>] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[  126.061701]  [<ffffffff8342bf79>] ip6_finish_output2+0x929/0x1ca0
[  126.068026]  [<ffffffff8342b825>] ? ip6_finish_output2+0x1d5/0x1ca0
[  126.074408]  [<ffffffff8342b650>] ? ip6_sk_dst_lookup_flow+0x580/0x580
[  126.081060]  [<ffffffff83466107>] ? ip6_mtu+0x217/0x340
[  126.086400]  [<ffffffff834355b8>] ip6_finish_output+0x3b8/0x760
[  126.092433]  [<ffffffff83435b18>] ip6_output+0x1b8/0x520
[  126.097864]  [<ffffffff83435960>] ? ip6_finish_output+0x760/0x760
[  126.104075]  [<ffffffff83435200>] ? ip6_fragment+0x3510/0x3510
[  126.110025]  [<ffffffff834632b2>] ? rt6_check_expired+0xa2/0x120
[  126.116148]  [<ffffffff8355f0bb>] ip6_local_out+0x9b/0x180
[  126.121754]  [<ffffffff83437b51>] ip6_send_skb+0xa1/0x340
[  126.127268]  [<ffffffff838b161b>] ? csum_ipv6_magic+0x2b/0x90
[  126.133147]  [<ffffffff834939fa>] udp_v6_send_skb+0x5ba/0xe70
[  126.139195]  [<ffffffff8349939e>] udpv6_sendmsg+0x1f2e/0x24c0
[  126.145065]  [<ffffffff832142b0>] ? ip_reply_glue_bits+0xc0/0xc0
[  126.151188]  [<ffffffff83497470>] ? udp6_lib_lookup2+0x990/0x990
[  126.157312]  [<ffffffff8122f070>] ? debug_check_no_locks_freed+0x210/0x210
[  126.164304]  [<ffffffff81c6fcf1>] ? sock_has_perm+0x1c1/0x400
[  126.170250]  [<ffffffff81c6fdcf>] ? sock_has_perm+0x29f/0x400
[  126.176121]  [<ffffffff81c6fbcf>] ? sock_has_perm+0x9f/0x400
[  126.181900]  [<ffffffff83302fc3>] ? inet_sendmsg+0x143/0x4d0
[  126.187675]  [<ffffffff83303083>] inet_sendmsg+0x203/0x4d0
[  126.193276]  [<ffffffff83302ef3>] ? inet_sendmsg+0x73/0x4d0
[  126.198965]  [<ffffffff83302e80>] ? inet_recvmsg+0x4c0/0x4c0
[  126.204756]  [<ffffffff82f2019c>] sock_sendmsg+0xcc/0x110
[  126.210272]  [<ffffffff82f21961>] ___sys_sendmsg+0x441/0x880
[  126.216049]  [<ffffffff812c9cb5>] ? hash_futex+0x15/0x210
[  126.221562]  [<ffffffff82f21520>] ? copy_msghdr_from_user+0x550/0x550
[  126.228131]  [<ffffffff812cc740>] ? get_futex_key+0xdc0/0xdc0
[  126.233996]  [<ffffffff82f2d8b6>] ? release_sock+0x3b6/0x500
[  126.239785]  [<ffffffff812d091d>] ? do_futex+0x12d/0x17f0
[  126.245300]  [<ffffffff835a63b0>] ? pppol2tp_recv+0x320/0x320
[  126.251164]  [<ffffffff812774f7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  126.257983]  [<ffffffff81578edf>] ? __fget_light+0x9f/0x1f0
[  126.263681]  [<ffffffff81579048>] ? __fdget+0x18/0x20
[  126.268845]  [<ffffffff82f1d0c6>] ? sockfd_lookup_light+0xb6/0x160
[  126.275154]  [<ffffffff82f23fe4>] __sys_sendmmsg+0x1d4/0x2e0
[  126.280948]  [<ffffffff82f23e10>] ? SyS_sendmsg+0x50/0x50
[  126.286462]  [<ffffffff81c50e9f>] ? security_socket_connect+0x8f/0xc0
[  126.293021]  [<ffffffff82f20b8a>] ? SYSC_connect+0x22a/0x300
[  126.298797]  [<ffffffff82f20960>] ? SYSC_bind+0x280/0x280
[  126.304315]  [<ffffffff812d2af1>] ? compat_SyS_futex+0x1e1/0x2f0
[  126.310438]  [<ffffffff812d2910>] ? compat_SyS_get_robust_list+0x310/0x310
[  126.317441]  [<ffffffff8300daa2>] compat_SyS_sendmmsg+0x32/0x40
[  126.323476]  [<ffffffff8300da70>] ? compat_SyS_sendmsg+0x40/0x40
[  126.329625]  [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0
[  126.335776]  [<ffffffff838c66ea>] sysenter_flags_fixed+0xd/0x17

INIT: Id "3" respawning too fast: disabled for 5 minutes