BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3328
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3328 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca2976d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb9db000 0000000000000003 ffff8801ca297718
 ffffffff81dfb974 ffff8801ca297730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3327
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3327 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c97576d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb970000 0000000000000003 ffff8801c9757718
 ffffffff81dfb974 ffff8801c9757730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3325
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3325 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c919f6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb974800 0000000000000003 ffff8801c919f718
 ffffffff81dfb974 ffff8801c919f730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3321
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3321 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c89076d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cab46000 0000000000000003 ffff8801c8907718
 ffffffff81dfb974 ffff8801c8907730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3323
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3323 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c937f6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb976000 0000000000000003 ffff8801c937f718
 ffffffff81dfb974 ffff8801c937f730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3326
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3326 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c91ff6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb971800 0000000000000003 ffff8801c91ff718
 ffffffff81dfb974 ffff8801c91ff730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3324
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3324 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c0cbf6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb973000 0000000000000003 ffff8801c0cbf718
 ffffffff81dfb974 ffff8801c0cbf730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3322
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3322 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c88376d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cab44800 0000000000000003 ffff8801c8837718
 ffffffff81dfb974 ffff8801c8837730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3328
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3328 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca2976d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb9db000 0000000000000003 ffff8801ca297718
 ffffffff81dfb974 ffff8801ca297730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3327
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3327 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c97576d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb970000 0000000000000003 ffff8801c9757718
 ffffffff81dfb974 ffff8801c9757730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
check_preemption_disabled: 1962 callbacks suppressed
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3324
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3324 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c0cbf6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb973000 0000000000000003 ffff8801c0cbf718
 ffffffff81dfb974 ffff8801c0cbf730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3327
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3327 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c97576d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb970000 0000000000000003 ffff8801c9757718
 ffffffff81dfb974 ffff8801c9757730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3323
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3323 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c937f6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb976000 0000000000000003 ffff8801c937f718
 ffffffff81dfb974 ffff8801c937f730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3326
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3326 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c91ff6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb971800 0000000000000003 ffff8801c91ff718
 ffffffff81dfb974 ffff8801c91ff730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3322
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3322 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c88376d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cab44800 0000000000000003 ffff8801c8837718
 ffffffff81dfb974 ffff8801c8837730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3328
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3328 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ca2976d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb9db000 0000000000000003 ffff8801ca297718
 ffffffff81dfb974 ffff8801ca297730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3321
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3321 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c89076d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cab46000 0000000000000003 ffff8801c8907718
 ffffffff81dfb974 ffff8801c8907730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3325
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3325 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c919f6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb974800 0000000000000003 ffff8801c919f718
 ffffffff81dfb974 ffff8801c919f730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3324
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 3324 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c0cbf6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800
 ffffffff83f45480 ffff8801cb973000 0000000000000003 ffff8801c0cbf718
 ffffffff81dfb974 ffff8801c0cbf730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8
BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller152853/3327
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 0 PID: 3327 Comm: syzkaller152853 Not tainted 4.9.78-g29eadc4 #20
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c97576d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800
 ffffffff83f45480 ffff8801cb970000 0000000000000003 ffff8801c9757718
 ffffffff81dfb974 ffff8801c9757730 ffffffff83f45480 dffffc0000000000
Call Trace:
 [<ffffffff81d943a9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d943a9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfb974>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfb9dc>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fc778>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fc778>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff83368b90>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833dae67>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833db5ca>] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122
 [<ffffffff83575349>] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline]
 [<ffffffff83575349>] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506
 [<ffffffff8356ce3b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff8356e699>] 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
 [<ffffffff838b2c6e>] entry_SYSCALL_64_fastpath+0x29/0xe8