BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3818
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3818 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d85df6d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801d95f8000 0000000000000003 ffff8801d85df718
 ffffffff81dfc1c4 ffff8801d85df730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3820
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3820 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7ff76d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d39800 0000000000000003 ffff8801d7ff7718
 ffffffff81dfc1c4 ffff8801d7ff7730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3819
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3819 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7e976d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d38000 0000000000000003 ffff8801d7e97718
 ffffffff81dfc1c4 ffff8801d7e97730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3817
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3817 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d8a1f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d96cc800 0000000000000003 ffff8801d8a1f718
 ffffffff81dfc1c4 ffff8801d8a1f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3816
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3816 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c7f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801c4cf8000 0000000000000003 ffff8801d7c7f718
 ffffffff81dfc1c4 ffff8801d7c7f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3815
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3815 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d782f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e0000 0000000000000003 ffff8801d782f718
 ffffffff81dfc1c4 ffff8801d782f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3814
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3814 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c676d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e4800 0000000000000003 ffff8801d7c67718
 ffffffff81dfc1c4 ffff8801d7c67730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3813
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3813 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c276d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e3000 0000000000000003 ffff8801d7c27718
 ffffffff81dfc1c4 ffff8801d7c27730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3818
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3818 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d85df6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d95f8000 0000000000000003 ffff8801d85df718
 ffffffff81dfc1c4 ffff8801d85df730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3820
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3820 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7ff76d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d39800 0000000000000003 ffff8801d7ff7718
 ffffffff81dfc1c4 ffff8801d7ff7730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
check_preemption_disabled: 2134 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3819
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3819 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7e976d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d38000 0000000000000003 ffff8801d7e97718
 ffffffff81dfc1c4 ffff8801d7e97730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3816
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3816 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c7f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801c4cf8000 0000000000000003 ffff8801d7c7f718
 ffffffff81dfc1c4 ffff8801d7c7f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3815
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3815 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d782f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e0000 0000000000000003 ffff8801d782f718
 ffffffff81dfc1c4 ffff8801d782f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3820
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3820 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7ff76d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d39800 0000000000000003 ffff8801d7ff7718
 ffffffff81dfc1c4 ffff8801d7ff7730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3818
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3818 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d85df6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d95f8000 0000000000000003 ffff8801d85df718
 ffffffff81dfc1c4 ffff8801d85df730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3814
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3814 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c676d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e4800 0000000000000003 ffff8801d7c67718
 ffffffff81dfc1c4 ffff8801d7c67730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3817
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3817 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d8a1f6d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801d96cc800 0000000000000003 ffff8801d8a1f718
 ffffffff81dfc1c4 ffff8801d8a1f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3813
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3813 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c276d8 ffffffff81d94be9 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801b49e3000 0000000000000003 ffff8801d7c27718
 ffffffff81dfc1c4 ffff8801d7c27730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3819
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3819 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7e976d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801d7d38000 0000000000000003 ffff8801d7e97718
 ffffffff81dfc1c4 ffff8801d7e97730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller437601/3816
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3816 Comm: syzkaller437601 Not tainted 4.9.80-g8a174b47 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d7c7f6d8 ffffffff81d94be9 0000000000000000 ffffffff83c18800
 ffffffff83f454c0 ffff8801c4cf8000 0000000000000003 ffff8801d7c7f718
 ffffffff81dfc1c4 ffff8801d7c7f730 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94be9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94be9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfc1c4>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfc22c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fce38>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fce38>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83369250>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db527>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833dbc8a>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575bc9>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575bc9>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356d6bb>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356ef19>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b34ee>] entry_SYSCALL_64_fastpath+0x29/0xe8
random: crng init done