BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
check_preemption_disabled: 1040 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363321/3809
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3809 Comm: syzkaller363321 Not tainted 4.9.84-ge7f51a5 #45
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801b1dff668 ffffffff81d956b9 0000000000000000 ffffffff83c18e00
 ffffffff83f45be0 ffff8801b4169800 0000000000000003 ffff8801b1dff6a8
 ffffffff81dfccb4 ffff8801b1dff6c0 ffffffff83f45be0 dffffc0000000000
Call Trace:
 [<ffffffff81d956b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d956b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfccb4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfcd1c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fe7a8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fe7a8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83514e15>] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165
 [<ffffffff833dcdd7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dd53a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83577b09>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83577b09>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356f5fb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83570e59>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed8baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed8baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82eda7c1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edc7f6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edc8dd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edc8dd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b53fd>] entry_SYSCALL_64_after_swapgs+0x47/0xc5