BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3365 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3365 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f77668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5b000 0000000000000003 ffff8801d6f776a8 ffffffff81df7854 ffff8801d6f776c0 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: syzkaller071479/3367 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d600f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 ffffffff81df7854 ffff8801d600f6c0 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: syzkaller071479/3360 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3360 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f47668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1983000 0000000000000003 ffff8801d6f476a8 ffffffff81df7854 ffff8801d6f476c0 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: syzkaller071479/3366 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3366 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6007668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5c800 0000000000000003 ffff8801d60076a8 ffffffff81df7854 ffff8801d60076c0 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: syzkaller071479/3364 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3364 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f6f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f59800 0000000000000003 ffff8801d6f6f6a8 ffffffff81df7854 ffff8801d6f6f6c0 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: syzkaller071479/3362 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3362 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f57668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1986000 0000000000000003 ffff8801d6f576a8 ffffffff81df7854 ffff8801d6f576c0 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: syzkaller071479/3363 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3363 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f67668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f58000 0000000000000003 ffff8801d6f676a8 ffffffff81df7854 ffff8801d6f676c0 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: syzkaller071479/3361 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3361 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f4f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1984800 0000000000000003 ffff8801d6f4f6a8 ffffffff81df7854 ffff8801d6f4f6c0 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: syzkaller071479/3365 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3365 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f77668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5b000 0000000000000003 ffff8801d6f776a8 ffffffff81df7854 ffff8801d6f776c0 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: syzkaller071479/3367 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d600f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 ffffffff81df7854 ffff8801d600f6c0 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 check_preemption_disabled: 1828 callbacks suppressed BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3367 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d600f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 ffffffff81df7854 ffff8801d600f6c0 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: syzkaller071479/3364 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3364 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f6f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f59800 0000000000000003 ffff8801d6f6f6a8 ffffffff81df7854 ffff8801d6f6f6c0 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: syzkaller071479/3365 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3365 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f77668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5b000 0000000000000003 ffff8801d6f776a8 ffffffff81df7854 ffff8801d6f776c0 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: syzkaller071479/3366 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3366 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6007668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5c800 0000000000000003 ffff8801d60076a8 ffffffff81df7854 ffff8801d60076c0 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: syzkaller071479/3362 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3362 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f57668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1986000 0000000000000003 ffff8801d6f576a8 ffffffff81df7854 ffff8801d6f576c0 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: syzkaller071479/3360 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3360 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f47668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1983000 0000000000000003 ffff8801d6f476a8 ffffffff81df7854 ffff8801d6f476c0 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: syzkaller071479/3361 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3361 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f4f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d1984800 0000000000000003 ffff8801d6f4f6a8 ffffffff81df7854 ffff8801d6f4f6c0 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: syzkaller071479/3363 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 3363 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6f67668 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f58000 0000000000000003 ffff8801d6f676a8 ffffffff81df7854 ffff8801d6f676c0 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: syzkaller071479/3367 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d600f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 ffffffff81df7854 ffff8801d600f6c0 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 [