[....] Starting enhanced syslogd: rsyslogd[   14.773088] audit: type=1400 audit(1548799748.865:4): avc:  denied  { syslog } for  pid=1919 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts.
2019/01/29 22:09:57 parsed 1 programs
2019/01/29 22:09:59 executed programs: 0
syzkaller login: [   67.617499] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/2638
[   67.626501] caller is __this_cpu_preempt_check+0x1d/0x30
[   67.631935] CPU: 0 PID: 2638 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   67.638835]  0000000000000000 e99f6a32045d6d06 ffff8801d091f930 ffffffff81aacde1
[   67.646828]  ffff8801d08a2f80 0000000000000000 ffffffff82a860a0 ffffffff8292c040
[   67.654819]  0000000000000002 ffff8801d091f970 ffffffff81b0a993 ffff8801d08d5204
[   67.662842] Call Trace:
[   67.665418]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   67.670760]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   67.677487]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   67.683963]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   67.689913]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   67.696907]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   67.704002]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   67.709720]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   67.715408]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   67.721967]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   67.728788]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   67.734834]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   67.740785]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   67.747082]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   67.752770]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   67.758810]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   67.764670]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   67.772179]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   67.778916]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   67.784863]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   67.791678]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   67.798606]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   67.804382]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   67.810051]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   67.815746]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   67.821525]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   67.827042]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   67.832470]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   67.838514]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   67.845244]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   67.851109]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   67.856971]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   67.862746]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   67.868954]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   67.875162]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   67.881632]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   68.642033] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/2862
[   68.650799] caller is __this_cpu_preempt_check+0x1d/0x30
[   68.656393] CPU: 0 PID: 2862 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   68.663309]  0000000000000000 9d15477bd83cd6df ffff8801cfef7930 ffffffff81aacde1
[   68.671310]  ffff8801d0d94740 0000000000000000 ffffffff82a860a0 ffffffff8292c040
[   68.679305]  0000000000000002 ffff8801cfef7970 ffffffff81b0a993 ffff8801d2543ac4
[   68.687361] Call Trace:
[   68.689935]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   68.695286]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   68.702015]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   68.708484]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   68.714432]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   68.721422]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   68.728498]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   68.734199]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   68.739904]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   68.746459]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   68.753275]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   68.759310]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   68.765258]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   68.771560]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   68.777249]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   68.783285]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   68.789150]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   68.796669]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   68.803396]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   68.809341]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   68.816158]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   68.822973]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   68.828743]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   68.834358]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   68.840051]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   68.845826]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   68.851341]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   68.856790]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   68.862837]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   68.869565]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   68.875425]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   68.881284]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   68.887056]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   68.893262]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   68.899471]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   68.905943]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   69.582127] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3059
[   69.590692] caller is __this_cpu_preempt_check+0x1d/0x30
[   69.596167] CPU: 0 PID: 3059 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   69.603093]  0000000000000000 f8519a9391efbf90 ffff8801da75f930 ffffffff81aacde1
[   69.611085]  ffff8801cf540000 0000000000000000 ffffffff82a860a0 ffffffff8292c040
[   69.619090]  0000000000000002 ffff8801da75f970 ffffffff81b0a993 ffff8800b7a03484
[   69.627083] Call Trace:
[   69.629659]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   69.635015]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   69.641745]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   69.648224]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   69.654169]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   69.661184]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   69.668270]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   69.673960]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   69.679649]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   69.686229]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   69.693045]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   69.699076]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   69.705022]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   69.711318]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   69.717002]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   69.723036]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   69.728918]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   69.736426]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   69.743153]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   69.749097]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   69.755911]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   69.762750]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   69.768524]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   69.774124]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   69.779910]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   69.785687]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   69.791205]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   69.796634]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   69.802768]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   69.809499]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   69.815358]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   69.821228]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   69.827007]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   69.833223]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   69.839432]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   69.845902]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
2019/01/29 22:10:04 executed programs: 243
[   71.000011] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3397
[   71.008674] caller is __this_cpu_preempt_check+0x1d/0x30
[   71.014350] CPU: 1 PID: 3397 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   71.021302]  0000000000000000 c94f0f6f163df6b9 ffff8801d85a7930 ffffffff81aacde1
[   71.029307]  ffff8800ba774740 0000000000000001 ffffffff82a860a0 ffffffff8292c040
[   71.037315]  0000000000000001 ffff8801d85a7970 ffffffff81b0a993 ffff8801da4c4704
[   71.045307] Call Trace:
[   71.047872]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   71.053212]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   71.059940]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   71.066412]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   71.072361]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   71.079352]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   71.086433]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   71.092119]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   71.097809]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   71.104375]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   71.111203]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   71.117238]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   71.123200]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   71.129503]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   71.135187]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   71.141235]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   71.147097]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   71.154608]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   71.161335]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   71.167281]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   71.174099]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   71.180925]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   71.186695]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   71.192305]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   71.197989]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   71.203766]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   71.209278]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   71.214704]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   71.220742]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   71.227472]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   71.233331]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   71.239196]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   71.244974]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   71.251179]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   71.257399]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   71.263869]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   73.008749] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3917
[   73.017482] caller is __this_cpu_preempt_check+0x1d/0x30
[   73.022917] CPU: 1 PID: 3917 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   73.029816]  0000000000000000 e68556ae36f79c1c ffff8800b26bf930 ffffffff81aacde1
[   73.037820]  ffff8801cd1d4740 0000000000000001 ffffffff82a860a0 ffffffff8292c040
[   73.045847]  0000000000000001 ffff8800b26bf970 ffffffff81b0a993 ffff8801d4c080c4
[   73.053846] Call Trace:
[   73.056425]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   73.061768]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   73.068496]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   73.074968]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   73.080932]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   73.087924]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   73.095006]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   73.100694]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   73.106387]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   73.112968]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   73.119790]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   73.125826]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   73.131777]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   73.138073]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   73.143760]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   73.149795]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   73.155656]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   73.163167]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   73.169905]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   73.175854]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   73.182680]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   73.189500]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   73.195288]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   73.200889]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   73.206577]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   73.212351]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   73.217862]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   73.223287]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   73.229323]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   73.236056]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   73.241914]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   73.247774]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   73.253549]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   73.259758]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   73.265969]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   73.272438]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   74.816033] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4332
[   74.824608] caller is __this_cpu_preempt_check+0x1d/0x30
[   74.830039] CPU: 0 PID: 4332 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   74.836938]  0000000000000000 d5ac284df4caada3 ffff8800b4f37930 ffffffff81aacde1
[   74.844929]  ffff8800b4efc740 0000000000000000 ffffffff82a860a0 ffffffff8292c040
[   74.852938]  0000000000000002 ffff8800b4f37970 ffffffff81b0a993 ffff8800b4dece84
[   74.860930] Call Trace:
[   74.863506]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   74.868847]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   74.875576]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   74.882046]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   74.887994]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   74.894985]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   74.902067]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   74.907755]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   74.913441]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   74.920002]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   74.926816]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   74.932846]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   74.938812]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   74.945105]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   74.950790]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   74.956825]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   74.962700]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   74.970223]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   74.976949]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   74.982894]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   74.989708]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   74.996524]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   75.002307]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   75.007904]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   75.013588]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   75.019375]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   75.024889]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   75.030313]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   75.036353]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   75.043104]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   75.048962]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   75.054836]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   75.060611]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   75.066815]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   75.073038]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   75.079508]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
2019/01/29 22:10:09 executed programs: 530
[   76.101314] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4640
[   76.109788] caller is __this_cpu_preempt_check+0x1d/0x30
[   76.115262] CPU: 1 PID: 4640 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   76.122202]  0000000000000000 e288c68dfadcfe4a ffff8801d2a7f930 ffffffff81aacde1
[   76.122210]  ffff8801d0ec4740 0000000000000001 ffffffff82a860a0 ffffffff8292c040
[   76.122228]  0000000000000001 ffff8801d2a7f970 ffffffff81b0a993 ffff8801d5d1ed44
[   76.122230] Call Trace:
[   76.122250]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   76.122257]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   76.122264]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   76.122273]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   76.122281]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   76.122292]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   76.122299]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   76.122307]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   76.122315]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   76.122324]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   76.122331]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   76.122337]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   76.122345]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   76.122352]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   76.122359]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   76.122368]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   76.122376]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   76.122384]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   76.122391]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   76.122398]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   76.122404]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   76.122412]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   76.122420]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   76.122426]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   76.122432]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   76.122440]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   76.122448]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   76.122455]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   76.122462]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   76.122483]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   76.122490]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   76.122497]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   76.122504]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   76.122511]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   76.122520]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   76.122541]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   76.978228] BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4847
[   76.986838] caller is __this_cpu_preempt_check+0x1d/0x30
[   76.992280] CPU: 0 PID: 4847 Comm: syz-executor0 Not tainted 4.4.172+ #13
[   76.999181]  0000000000000000 e196ab255ded7952 ffff8800b362f930 ffffffff81aacde1
[   77.007180]  ffff8800b3594740 0000000000000000 ffffffff82a860a0 ffffffff8292c040
[   77.015199]  0000000000000002 ffff8800b362f970 ffffffff81b0a993 ffff8801d0861d44
[   77.023272] Call Trace:
[   77.025848]  [<ffffffff81aacde1>] dump_stack+0xc1/0x120
[   77.031200]  [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200
[   77.037940]  [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30
[   77.044411]  [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510
[   77.050362]  [<ffffffff8240fb50>] ? tcp_prune_ofo_queue.part.0+0x460/0x460
[   77.057358]  [<ffffffff8220d8bb>] ? skb_copy_datagram_from_iter+0x32b/0x5c0
[   77.064437]  [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0
[   77.070131]  [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0
[   77.075825]  [<ffffffff82424610>] ? tcp_rcv_established+0x2070/0x2070
[   77.082393]  [<ffffffff811ff175>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   77.089219]  [<ffffffff821e49f0>] ? lock_sock_nested+0x90/0x120
[   77.095258]  [<ffffffff811ff39d>] ? trace_hardirqs_on+0xd/0x10
[   77.101220]  [<ffffffff810e15aa>] ? __local_bh_enable_ip+0x6a/0xe0
[   77.107523]  [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0
[   77.113219]  [<ffffffff811ff3a0>] ? trace_hardirqs_on+0x10/0x10
[   77.119256]  [<ffffffff8195f968>] ? sock_has_perm+0x2a8/0x400
[   77.125121]  [<ffffffff8195f6c0>] ? selinux_msg_queue_alloc_security+0x2e0/0x2e0
[   77.132651]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   77.139384]  [<ffffffff823fadd0>] ? tcp_sendpage+0x17c0/0x17c0
[   77.145331]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   77.152146]  [<ffffffff81b0a7fc>] ? check_preemption_disabled+0x3c/0x200
[   77.158980]  [<ffffffff824a8d53>] ? inet_sendmsg+0x143/0x4d0
[   77.164754]  [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0
[   77.170353]  [<ffffffff824a8c86>] ? inet_sendmsg+0x76/0x4d0
[   77.176043]  [<ffffffff824a8c10>] ? inet_recvmsg+0x4d0/0x4d0
[   77.181819]  [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110
[   77.187335]  [<ffffffff821dc011>] SyS_sendto+0x201/0x340
[   77.192770]  [<ffffffff821dbe10>] ? SyS_getpeername+0x2a0/0x2a0
[   77.198808]  [<ffffffff8123a551>] ? debug_lockdep_rcu_enabled+0x71/0xa0
[   77.205540]  [<ffffffff814306b7>] ? __might_fault+0x117/0x1d0
[   77.211413]  [<ffffffff81430731>] ? __might_fault+0x191/0x1d0
[   77.217272]  [<ffffffff81430687>] ? __might_fault+0xe7/0x1d0
[   77.223045]  [<ffffffff81269c08>] ? SyS_clock_gettime+0x118/0x1e0
[   77.229253]  [<ffffffff81269af0>] ? SyS_clock_settime+0x220/0x220
[   77.235469]  [<ffffffff810021a4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   77.241951]  [<ffffffff82718621>] entry_SYSCALL_64_fastpath+0x1e/0x9a