BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3348 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3348 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82e7668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9ba9800 0000000000000003 ffff8801c82e76a8 ffffffff81df7854 ffff8801c82e76c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3348 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3348 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82e7668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9ba9800 0000000000000003 ffff8801c82e76a8 ffffffff81df7854 ffff8801c82e76c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3355 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3355 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf28f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf0c800 0000000000000003 ffff8801cf28f6a8 ffffffff81df7854 ffff8801cf28f6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3353 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3353 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf1f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf09800 0000000000000003 ffff8801cdf1f6a8 ffffffff81df7854 ffff8801cdf1f6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3350 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3350 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82f7668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bac800 0000000000000003 ffff8801c82f76a8 ffffffff81df7854 ffff8801c82f76c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3349 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3349 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82ef668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bab000 0000000000000003 ffff8801c82ef6a8 ffffffff81df7854 ffff8801c82ef6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3354 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3354 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf287668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf0b000 0000000000000003 ffff8801cf2876a8 ffffffff81df7854 ffff8801cf2876c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3352 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3352 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf17668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf08000 0000000000000003 ffff8801cdf176a8 ffffffff81df7854 ffff8801cdf176c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3351 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3351 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf07668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bae000 0000000000000003 ffff8801cdf076a8 ffffffff81df7854 ffff8801cdf076c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3351 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3351 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf07668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bae000 0000000000000003 ffff8801cdf076a8 ffffffff81df7854 ffff8801cdf076c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 random: crng init done check_preemption_disabled: 5270 callbacks suppressed BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3354 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3354 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf287668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf0b000 0000000000000003 ffff8801cf2876a8 ffffffff81df7854 ffff8801cf2876c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3353 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3353 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf1f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf09800 0000000000000003 ffff8801cdf1f6a8 ffffffff81df7854 ffff8801cdf1f6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3348 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3348 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82e7668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9ba9800 0000000000000003 ffff8801c82e76a8 ffffffff81df7854 ffff8801c82e76c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3350 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3350 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82f7668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bac800 0000000000000003 ffff8801c82f76a8 ffffffff81df7854 ffff8801c82f76c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3355 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3355 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf28f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf0c800 0000000000000003 ffff8801cf28f6a8 ffffffff81df7854 ffff8801cf28f6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3351 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3351 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf07668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bae000 0000000000000003 ffff8801cdf076a8 ffffffff81df7854 ffff8801cdf076c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3349 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3349 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c82ef668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d9bab000 0000000000000003 ffff8801c82ef6a8 ffffffff81df7854 ffff8801c82ef6c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3352 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3352 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cdf17668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf08000 0000000000000003 ffff8801cdf176a8 ffffffff81df7854 ffff8801cdf176c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] C_SYSC_sendmsg net/compat.c:734 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:732 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller518607/3354 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3354 Comm: syzkaller518607 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf287668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801cdf0b000 0000000000000003 ffff8801cf2876a8 ffffffff81df7854 ffff8801cf2876c0 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [