Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts.
2019/02/20 14:54:32 parsed 1 programs
2019/02/20 14:54:34 executed programs: 0
syzkaller login: [   43.537751] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/2251
[   43.547958] caller is __this_cpu_preempt_check+0x1d/0x30
[   43.554242] CPU: 0 PID: 2251 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   43.561158]  0000000000000000 7aa76ecab653ea9c ffff8801d2f0f7c8 ffffffff81aad1a1
[   43.569172]  ffff8800b5bbdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040
[   43.577316]  0000000000000002 ffff8801d2f0f808 ffffffff81b0ad83 ffff8800b7647180
[   43.585430] Call Trace:
[   43.588017]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   43.593359]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   43.600088]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   43.606559]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   43.612508]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   43.619498]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   43.626579]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   43.632268]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   43.637962]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   43.644516]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   43.651334]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   43.657368]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   43.663319]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   43.669615]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   43.675300]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   43.681334]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   43.687193]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   43.694709]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   43.701446]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   43.707408]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   43.714235]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   43.721049]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   43.726821]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   43.732419]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   43.738124]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   43.743897]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   43.749422]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   43.755392]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   43.761194]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   43.766978]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   43.772493]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   43.778097]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   43.784948]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   43.790895]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   43.796241]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   43.801494]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   43.806928]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   43.813410]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   46.306604] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/3063
[   46.315229] caller is __this_cpu_preempt_check+0x1d/0x30
[   46.320685] CPU: 1 PID: 3063 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   46.327607]  0000000000000000 101e60bb7159b0eb ffff8800b33377c8 ffffffff81aad1a1
[   46.327615]  ffff8801cfd8c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
[   46.327626]  0000000000000001 ffff8800b3337808 ffffffff81b0ad83 ffff8800b4a12280
[   46.327627] Call Trace:
[   46.327641]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   46.327649]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   46.327656]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   46.327667]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   46.327675]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   46.327686]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   46.327693]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   46.327700]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   46.327707]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   46.327717]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   46.327724]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   46.327730]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   46.327740]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   46.327747]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   46.327762]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   46.327772]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   46.327779]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   46.327788]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   46.327794]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   46.327800]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   46.327807]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   46.327815]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   46.327821]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   46.327827]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   46.327833]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   46.327841]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   46.327848]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   46.327855]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   46.327863]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   46.327872]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   46.327878]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   46.327886]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   46.327893]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   46.327899]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   46.327905]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   46.327911]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   46.327921]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   46.327929]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   47.448990] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/3370
[   47.457747] caller is __this_cpu_preempt_check+0x1d/0x30
[   47.463487] CPU: 0 PID: 3370 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   47.470397]  0000000000000000 d63d9199dd9f00b0 ffff8800baacf7c8 ffffffff81aad1a1
[   47.478408]  ffff8801d8b62f80 0000000000000000 ffffffff82a861e0 ffffffff8292c040
[   47.486421]  0000000000000002 ffff8800baacf808 ffffffff81b0ad83 ffff8801d8ceec80
[   47.494423] Call Trace:
[   47.496990]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   47.502682]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   47.509413]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   47.515882]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   47.521827]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   47.528830]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   47.535908]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   47.541601]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   47.547286]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   47.553843]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   47.560666]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   47.566710]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   47.572663]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   47.578989]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   47.584683]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   47.590722]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   47.596617]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   47.604131]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   47.610861]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   47.616805]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   47.623620]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   47.630435]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   47.636552]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   47.642151]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   47.647841]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   47.653617]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   47.659128]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   47.664992]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   47.670766]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   47.676536]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   47.682047]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   47.687648]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   47.694386]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   47.700339]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   47.705691]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   47.710940]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   47.716366]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   47.722832]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
2019/02/20 14:54:39 executed programs: 279
[   48.685534] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/3677
[   48.695045] caller is __this_cpu_preempt_check+0x1d/0x30
[   48.700475] CPU: 1 PID: 3677 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   48.707374]  0000000000000000 da38ae30eda4a2f0 ffff8801cfa4f7c8 ffffffff81aad1a1
[   48.715383]  ffff8801d72bdf00 0000000000000001 ffffffff82a861e0 ffffffff8292c040
[   48.723395]  0000000000000001 ffff8801cfa4f808 ffffffff81b0ad83 ffff8800b8d2c280
[   48.731415] Call Trace:
[   48.733983]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   48.739328]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   48.746055]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   48.752524]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   48.758471]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   48.765457]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   48.772539]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   48.778233]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   48.783922]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   48.790481]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   48.797295]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   48.803326]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   48.809305]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   48.815614]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   48.821304]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   48.827337]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   48.833197]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   48.840705]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   48.847433]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   48.853381]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   48.860192]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   48.867005]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   48.872784]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   48.878386]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   48.884069]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   48.889843]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   48.895356]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   48.901215]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   48.906990]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   48.912765]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   48.918614]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   48.924223]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   48.930963]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   48.936909]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   48.942245]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   48.947493]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   48.952932]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   48.959400]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   50.247129] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/4074
[   50.255854] caller is __this_cpu_preempt_check+0x1d/0x30
[   50.261285] CPU: 1 PID: 4074 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   50.268182]  0000000000000000 603f738118bf4e4c ffff8801d46077c8 ffffffff81aad1a1
[   50.276189]  ffff8801cd958000 0000000000000001 ffffffff82a861e0 ffffffff8292c040
[   50.284191]  0000000000000001 ffff8801d4607808 ffffffff81b0ad83 ffff8801d3e90c80
[   50.292202] Call Trace:
[   50.294768]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   50.300105]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   50.306830]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   50.313319]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   50.319278]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   50.326268]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   50.333344]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   50.339027]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   50.344712]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   50.351267]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   50.358079]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   50.364116]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   50.370067]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   50.376480]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   50.382180]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   50.388218]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   50.394083]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   50.401592]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   50.408320]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   50.414268]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   50.421090]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   50.427913]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   50.433684]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   50.439280]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   50.444964]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   50.450737]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   50.456246]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   50.462105]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   50.467877]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   50.473650]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   50.479161]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   50.484763]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   50.491495]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   50.497445]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   50.502782]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   50.508035]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   50.513771]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   50.520246]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   50.804791] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/4167
[   50.814750] caller is __this_cpu_preempt_check+0x1d/0x30
[   50.820181] CPU: 0 PID: 4167 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   50.827079]  0000000000000000 2a924db46d5f94b7 ffff8800b673f7c8 ffffffff81aad1a1
[   50.835379]  ffff8800b6138000 0000000000000000 ffffffff82a861e0 ffffffff8292c040
[   50.843378]  0000000000000002 ffff8800b673f808 ffffffff81b0ad83 ffff8801d3123180
[   50.851378] Call Trace:
[   50.853963]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   50.859306]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   50.866033]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   50.872502]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   50.878448]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   50.885450]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   50.892536]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   50.898220]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   50.903905]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   50.910465]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   50.917283]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   50.923315]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   50.929260]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   50.935565]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   50.941256]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   50.947348]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   50.953214]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   50.960725]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   50.967734]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   50.973681]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   50.980496]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   50.987309]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   50.993083]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   50.998691]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   51.004468]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   51.010239]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   51.015748]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   51.021606]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   51.027385]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   51.033157]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   51.038668]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   51.044273]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   51.051000]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   51.056945]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   51.062288]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   51.067538]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   51.072964]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   51.079431]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   51.255742] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/4222
[   51.264398] caller is __this_cpu_preempt_check+0x1d/0x30
[   51.269825] CPU: 1 PID: 4222 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   51.276740]  0000000000000000 3d55e6e489c94e63 ffff8800b59df7c8 ffffffff81aad1a1
[   51.284748]  ffff8800b62817c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040
[   51.292742]  0000000000000001 ffff8800b59df808 ffffffff81b0ad83 ffff8801d2d4e000
[   51.300748] Call Trace:
[   51.303354]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   51.308695]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   51.315432]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   51.321905]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   51.327856]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   51.334848]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   51.341923]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   51.347616]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   51.353307]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   51.359867]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   51.366699]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   51.372732]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   51.378681]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   51.385019]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   51.390703]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   51.396736]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   51.402595]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   51.410102]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   51.417205]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   51.423158]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   51.429993]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   51.436809]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   51.442593]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   51.448192]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   51.453878]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   51.459649]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   51.465162]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   51.471027]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   51.476805]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   51.482580]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   51.488089]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   51.493695]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   51.500435]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   51.506387]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   51.511725]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   51.516975]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   51.522401]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   51.528880]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
2019/02/20 14:54:44 executed programs: 558
[   53.056629] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/4652
[   53.065363] caller is __this_cpu_preempt_check+0x1d/0x30
[   53.070798] CPU: 0 PID: 4652 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   53.077696]  0000000000000000 1d1a3d5d7bcd89c1 ffff8801d10c77c8 ffffffff81aad1a1
[   53.085707]  ffff8801d10fc740 0000000000000000 ffffffff82a861e0 ffffffff8292c040
[   53.093694]  0000000000000002 ffff8801d10c7808 ffffffff81b0ad83 ffff8801d1181180
[   53.101697] Call Trace:
[   53.104259]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   53.109596]  [<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
[   53.116332]  [<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
[   53.122801]  [<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510
[   53.128752]  [<ffffffff8240fab0>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   53.135743]  [<ffffffff8220deab>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   53.142901]  [<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0
[   53.148590]  [<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0
[   53.154274]  [<ffffffff82424570>] ? tcp_rcv_established+0x2070/0x2070
[   53.161190]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   53.168007]  [<ffffffff821e4ed0>] ? lock_sock_nested+0x90/0x120
[   53.174038]  [<ffffffff811ff5ad>] ? trace_hardirqs_on+0xd/0x10
[   53.179983]  [<ffffffff810e17ba>] ? __local_bh_enable_ip+0x6a/0xe0
[   53.186281]  [<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0
[   53.191975]  [<ffffffff811ff5b0>] ? trace_hardirqs_on+0x10/0x10
[   53.198018]  [<ffffffff8195fd28>] ? sock_has_perm+0x2a8/0x400
[   53.203888]  [<ffffffff8195fa80>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   53.211408]  [<ffffffff8123a761>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   53.218138]  [<ffffffff823fad30>] ? tcp_sendpage+0x17c0/0x17c0
[   53.224082]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   53.230896]  [<ffffffff81b0abec>] ? check_preemption_disabled+0x3c/0x200
[   53.237717]  [<ffffffff824a8a83>] ? inet_sendmsg+0x143/0x4d0
[   53.243487]  [<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0
[   53.249083]  [<ffffffff824a89b6>] ? inet_sendmsg+0x76/0x4d0
[   53.254770]  [<ffffffff824a8940>] ? inet_recvmsg+0x4d0/0x4d0
[   53.260547]  [<ffffffff821d838e>] sock_sendmsg+0xbe/0x110
[   53.266059]  [<ffffffff821d8615>] sock_write_iter+0x235/0x3d0
[   53.271919]  [<ffffffff821d83e0>] ? sock_sendmsg+0x110/0x110
[   53.277699]  [<ffffffff81ae7943>] ? iov_iter_init+0xb3/0x1e0
[   53.283815]  [<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0
[   53.289330]  [<ffffffff81496800>] ? __vfs_read+0x3c0/0x3c0
[   53.294931]  [<ffffffff81965e45>] ? selinux_file_permission+0x2f5/0x450
[   53.301663]  [<ffffffff81497f43>] ? rw_verify_area+0x103/0x2f0
[   53.307628]  [<ffffffff81498612>] vfs_write+0x182/0x4e0
[   53.312970]  [<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0
[   53.318237]  [<ffffffff8149ab70>] ? SyS_read+0x1c0/0x1c0
[   53.323678]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   53.330147]  [<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a