BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3341
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3341 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c84c7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca039800 0000000000000003 ffff8801c84c76a8
 ffffffff81dfa714 ffff8801c84c76c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3342
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3342 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8647668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca038000 0000000000000003 ffff8801c86476a8
 ffffffff81dfa714 ffff8801c86476c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3339
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3339 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8667668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03c800 0000000000000003 ffff8801c86676a8
 ffffffff81dfa714 ffff8801c86676c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3340
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3340 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c866f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03b000 0000000000000003 ffff8801c866f6a8
 ffffffff81dfa714 ffff8801c866f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3336
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3336 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8717668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca119800 0000000000000003 ffff8801c87176a8
 ffffffff81dfa714 ffff8801c87176c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3343
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3343 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8517668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801c8648000 0000000000000003 ffff8801c85176a8
 ffffffff81dfa714 ffff8801c85176c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3338
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3338 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c853f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03e000 0000000000000003 ffff8801c853f6a8
 ffffffff81dfa714 ffff8801c853f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3337
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3337 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c871f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca118000 0000000000000003 ffff8801c871f6a8
 ffffffff81dfa714 ffff8801c871f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3341
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3341 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c84c7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca039800 0000000000000003 ffff8801c84c76a8
 ffffffff81dfa714 ffff8801c84c76c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3342
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3342 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8647668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca038000 0000000000000003 ffff8801c86476a8
 ffffffff81dfa714 ffff8801c86476c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
check_preemption_disabled: 1198 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3337
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3337 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c871f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca118000 0000000000000003 ffff8801c871f6a8
 ffffffff81dfa714 ffff8801c871f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3338
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3338 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c853f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03e000 0000000000000003 ffff8801c853f6a8
 ffffffff81dfa714 ffff8801c853f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3343
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3343 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8517668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801c8648000 0000000000000003 ffff8801c85176a8
 ffffffff81dfa714 ffff8801c85176c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3336
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3336 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8717668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca119800 0000000000000003 ffff8801c87176a8
 ffffffff81dfa714 ffff8801c87176c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3340
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3340 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c866f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03b000 0000000000000003 ffff8801c866f6a8
 ffffffff81dfa714 ffff8801c866f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3342
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3342 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8647668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca038000 0000000000000003 ffff8801c86476a8
 ffffffff81dfa714 ffff8801c86476c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3341
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3341 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c84c7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca039800 0000000000000003 ffff8801c84c76a8
 ffffffff81dfa714 ffff8801c84c76c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3339
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3339 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c8667668 ffffffff81d93149 0000000000000000 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca03c800 0000000000000003 ffff8801c86676a8
 ffffffff81dfa714 ffff8801c86676c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3337
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3337 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c871f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00
 ffffffff83f44900 ffff8801ca118000 0000000000000003 ffff8801c871f6a8
 ffffffff81dfa714 ffff8801c871f6c0 ffffffff83f44900 dffffc0000000000
Call Trace:
 [<ffffffff81d93149>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d93149>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfa714>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfa77c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fa7f8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fa7f8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83366c10>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833d8ee7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833d964a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83573139>] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline]
 [<ffffffff83573139>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498
 [<ffffffff8356abde>] pfkey_process+0x61e/0x730 net/key/af_key.c:2826
 [<ffffffff8356c489>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670
 [<ffffffff82ed5baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed5baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed77a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82ed97d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82fdbeba>] C_SYSC_sendmsg net/compat.c:734 [inline]
 [<ffffffff82fdbeba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732
 [<ffffffff81006fc7>] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline]
 [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384
 [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83 arch/x86/entry/entry_64_compat.S:127
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller165733/3339
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3339 Comm: syzkaller165733 Not tainted 4.9.76-g8e170a5 #21
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011