IPVS: Creating netns size=2552 id=7
IPVS: Creating netns size=2552 id=8
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor3/5450
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 5450 Comm: syz-executor3 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 4025c7d72d6d07f2 ffff8801d248f648 ffffffff81d03d2d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801ceb51800
 0000000000000003 ffff8801d248f688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor7/5503
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 5503 Comm: syz-executor7 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 9ed3082f8e0882c0 ffff8800af947648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801cb5fb000
 0000000000000003 ffff8800af947688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor4/5567
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 5567 Comm: syz-executor4 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 fe0facc30d4f9697 ffff8800ba467648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d1090000
 0000000000000003 ffff8800ba467688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor3/5917
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 5917 Comm: syz-executor3 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 72c619dd6c7d6286 ffff8801c9797648 ffffffff81d03d2d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801ca9a8000
 0000000000000003 ffff8801c9797688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor4/5905
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
CPU: 0 PID: 5905 Comm: syz-executor4 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 7e63bef5d8affcaf ffff8800b4e0f648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8800aea88000
 0000000000000003 ffff8800b4e0f688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor3/6327
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 6327 Comm: syz-executor3 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 7d48dde5326742e4 ffff8801d95cf648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8800babc1800
 0000000000000003 ffff8801d95cf688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor1/6621
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6621 Comm: syz-executor1 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 18e4cba98f38df18 ffff8801d8c9f648 ffffffff81d03d2d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d938e000
 0000000000000003 ffff8801d8c9f688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor4/6923
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 6923 Comm: syz-executor4 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 8592a7c66c3fff22 ffff8800bbaef648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8800bb1bb000
 0000000000000003 ffff8800bbaef688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor4/6989
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 6989 Comm: syz-executor4 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 6b638d79da15a063 ffff8800bb8f7648 ffffffff81d03d2d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d8880000
 0000000000000003 ffff8800bb8f7688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/7195
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 7195 Comm: syz-executor5 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 3038fd41c04f36b0 ffff8800adf47648 ffffffff81d03d2d
 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d8c2b000
 0000000000000003 ffff8800adf47688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17
BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor5/7493
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 7493 Comm: syz-executor5 Not tainted 4.4.114-g4e74e98 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 c7c0d3d2f5279e3e ffff8801d92df648 ffffffff81d03d2d
 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801c8b1c800
 0000000000000003 ffff8801d92df688 ffffffff81d63c74 ffffffff810002b8
Call Trace:
 [<ffffffff81d03d2d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d03d2d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff81d63c74>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff81d63cdc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff8312a609>] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278
 [<ffffffff83132787>] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485
 [<ffffffff8314a05b>] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531
 [<ffffffff831212bf>] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134
 [<ffffffff831d6fec>] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755
 [<ffffffff82deb79a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82deb79a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82ded371>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82def3c3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82ed93fa>] C_SYSC_sendmsg net/compat.c:720 [inline]
 [<ffffffff82ed93fa>] 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
 [<ffffffff83775c6a>] sysenter_flags_fixed+0xd/0x17