IPVS: Creating netns size=2552 id=8
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor7/6458
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 6458 Comm: syz-executor7 Not tainted 4.4.114-gfe09418 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 55bad356cc892069 ffff8800b90476c8 ffffffff81d02e6d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d7908000
 0000000000000003 ffff8800b9047708 ffffffff81d62db4 ffffffff810002b8
Call Trace:
 [<ffffffff81d02e6d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d02e6d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d62db4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d62e1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83129749>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff831318c7>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314919b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831203ff>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d612c>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82dea8da>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82dea8da>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82dec4b1>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82dee503>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82dee5ed>] SYSC_sendmsg net/socket.c:2007 [inline]
 [<ffffffff82dee5ed>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
 [<ffffffff8377341f>] entry_SYSCALL_64_fastpath+0x1c/0x98
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor1/6830
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6830 Comm: syz-executor1 Not tainted 4.4.114-gfe09418 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 71765ea97fc54dc8 ffff8800b884f6c8 ffffffff81d02e6d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800b9558000
 0000000000000003 ffff8800b884f708 ffffffff81d62db4 ffffffff810002b8
Call Trace:
 [<ffffffff81d02e6d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d02e6d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d62db4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d62e1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83129749>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff831318c7>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314919b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831203ff>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d612c>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82dea8da>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82dea8da>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82dec4b1>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82dee503>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82dee5ed>] SYSC_sendmsg net/socket.c:2007 [inline]
 [<ffffffff82dee5ed>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
 [<ffffffff8377341f>] entry_SYSCALL_64_fastpath+0x1c/0x98