BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835260
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835240
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835220
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835160
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d68351e0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d68351c0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d68351a0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835180
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d68350c0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000001 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d6835140
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
check_preemption_disabled: 1064 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6e40
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6e60
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6de0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6da0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6dc0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6c80
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6d40
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6cc0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6ca0
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller332179/3765
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3765 Comm: syzkaller332179 Not tainted 4.9.92-g4fb542f #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d994f638 ffffffff81d9c509 0000000000000000 ffffffff83c19e20
 ffffffff83f49320 ffff8801ba0d8000 0000000000000003 ffff8801d994f678
 ffffffff81e51fb0 ffff8801d994f690 ffffffff83f49320 ffff8801d00e6d00
Call Trace:
 [<ffffffff81d9c509>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d9c509>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81e51fb0>] check_preemption_disabled.cold.0+0x7f/0x8b lib/smp_processor_id.c:46
 [<ffffffff81e0407c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff83412b36>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff83412b36>] ipcomp_init_state+0x186/0x920 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff8337ffe3>] ipcomp4_init_state+0xb3/0x7c0 net/ipv4/ipcomp.c:137
 [<ffffffff833f1d69>] __xfrm_init_state+0x3f9/0xb50 net/xfrm/xfrm_state.c:2096
 [<ffffffff833f24da>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff8358c029>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff8358c029>] pfkey_add+0x1ea9/0x3240 net/key/af_key.c:1506
 [<ffffffff83582e11>] pfkey_process+0x671/0x740 net/key/af_key.c:2834
 [<ffffffff83584636>] pfkey_sendmsg+0x346/0xae0 net/key/af_key.c:3678
 [<ffffffff82ef3fcc>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ef3fcc>] sock_sendmsg+0xcc/0x110 net/socket.c:645
 [<ffffffff82ef5a6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1969
 [<ffffffff82ef7ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2003
 [<ffffffff82ef7bbd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82ef7bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff838d58d3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb