BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor157/8303
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 8303 Comm: syz-executor157 Not tainted 4.4.172+ #13
 0000000000000000 17157cb574a2a2f2 ffff8800b22778b8 ffffffff81aacde1
 ffff8801d1685f00 0000000000000001 ffffffff82a860a0 ffffffff8292c040
 0000000000000001 ffff8800b22778f8 ffffffff81b0a993 ffff8800b4eafac4
Call Trace:
 [<ffffffff81aacde1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aacde1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46
 [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
 [<ffffffff8240fd95>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
 [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
 [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
 [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
 [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
 [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff821d7eae>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821dc011>] SYSC_sendto net/socket.c:1678 [inline]
 [<ffffffff821dc011>] SyS_sendto+0x201/0x340 net/socket.c:1646
 [<ffffffff8100603d>] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 [<ffffffff8100603d>] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397
 [<ffffffff82719dd0>] sysenter_flags_fixed+0xd/0x1a
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor157/9064
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 9064 Comm: syz-executor157 Not tainted 4.4.172+ #13
 0000000000000000 6278ef450c66b45e ffff8801d086f8b8 ffffffff81aacde1
 ffff8800b3ae8000 0000000000000001 ffffffff82a860a0 ffffffff8292c040
 0000000000000001 ffff8801d086f8f8 ffffffff81b0a993 ffff8801d0e44204
Call Trace:
 [<ffffffff81aacde1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81aacde1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff81b0a993>] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46
 [<ffffffff81b0a9fd>] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
 [<ffffffff8240fd95>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
 [<ffffffff8240fd95>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
 [<ffffffff82410187>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
 [<ffffffff824249ee>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
 [<ffffffff823fd102>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
 [<ffffffff824a8e12>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff821d7eae>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821d7eae>] sock_sendmsg+0xbe/0x110 net/socket.c:648
 [<ffffffff821dc011>] SYSC_sendto net/socket.c:1678 [inline]
 [<ffffffff821dc011>] SyS_sendto+0x201/0x340 net/socket.c:1646
 [<ffffffff8100603d>] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 [<ffffffff8100603d>] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397
 [<ffffffff82719dd0>] sysenter_flags_fixed+0xd/0x1a