IPVS: Creating netns size=2552 id=4
IPVS: Creating netns size=2552 id=5
IPVS: Creating netns size=2552 id=6
IPVS: Creating netns size=2552 id=7
IPVS: Creating netns size=2552 id=8
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/5510
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 5510 Comm: syz-executor5 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 abfae72ae85c7be2 ffff8800aef67648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8800aec18000
 0000000000000003 ffff8800aef67688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor1/5573
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 5573 Comm: syz-executor1 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 808c67da9ed81b4a ffff8801d9417648 ffffffff81d03d8d
 0000000000000000 ffffffff839fe4a0 ffffffff83cef860 ffff8800ae709800
 0000000000000003 ffff8801d9417688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/5770
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 5770 Comm: syz-executor0 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 0e7e9b6258f7761a ffff8801c9747648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8800bb206000
 0000000000000003 ffff8801c9747688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor7/5771
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 5771 Comm: syz-executor7 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 8dbbb120df0a629a ffff8801c9797648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8801d9538000
 0000000000000003 ffff8801c9797688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/5921
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 5921 Comm: syz-executor5 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 81282323aa08f740 ffff8801ca5a7648 ffffffff81d03d8d
 0000000000000000 ffffffff839fe4a0 ffffffff83cef860 ffff8800bb010000
 0000000000000003 ffff8801ca5a7688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor6/6314
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6314 Comm: syz-executor6 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 c947ad4b0ad3183e ffff8801d70c7648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8801d87f6000
 0000000000000003 ffff8801d70c7688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor6/6733
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6733 Comm: syz-executor6 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 efc415ecdb34d101 ffff8801d7e9f648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8800add23000
 0000000000000003 ffff8801d7e9f688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor6/6913
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6913 Comm: syz-executor6 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 c05e357c6c8ab378 ffff8801d7af7648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8801d7a9e000
 0000000000000003 ffff8801d7af7688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor3/7886
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 7886 Comm: syz-executor3 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 0702c9f892bbac07 ffff8801d42df648 ffffffff81d03d8d
 0000000000000001 ffffffff839fe4a0 ffffffff83cef860 ffff8801d3e06000
 0000000000000003 ffff8801d42df688 ffffffff81d63cd4 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63cd4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63d3c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a819>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132997>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a26b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831214cf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d71fc>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb92a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb92a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded501>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def553>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed959a>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed959a>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83775e6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/7973
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 7973 Comm: syz-executor5 Not tainted 4.4.115-g55a366596 #15
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 bf6830699f978b5c ffff8800b7bdf648 ffffffff81d03d8d
 0000000000000000 ffffffff839fe4a0 ffffffff83cef860 ffff8801d3f14800