[....] Starting enhanced syslogd: rsyslogd[ 8.988542] audit: type=1400 audit(1513057873.789:4): avc: denied { syslog } for pid=3155 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-8,10.128.0.7' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 53.047561] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3344 [ 53.048838] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.049570] CPU: 0 PID: 3344 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 53.050588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.051824] ffff8801c76ef6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 53.052969] ffffffff83f42ec0 ffff8801c76d3000 0000000000000003 ffff8801c76ef718 [ 53.054206] ffffffff81df7854 ffff8801c76ef730 ffffffff83f42ec0 dffffc0000000000 [ 53.055413] Call Trace: [ 53.055771] [] dump_stack+0xc1/0x128 [ 53.056481] [] check_preemption_disabled+0x1d4/0x200 [ 53.057386] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.058239] [] ipcomp_init_state+0x188/0x930 [ 53.059055] [] ? __lock_is_held+0xa1/0xf0 [ 53.059835] [] ipcomp4_init_state+0xb0/0x7d0 [ 53.060634] [] __xfrm_init_state+0x3e7/0xb30 [ 53.061449] [] xfrm_init_state+0x1a/0x20 [ 53.062203] [] pfkey_add+0x1fb9/0x3470 [ 53.062934] [] ? pfkey_delete+0x360/0x360 [ 53.063714] [] ? pfkey_seq_stop+0x80/0x80 [ 53.064479] [] ? __skb_clone+0x24a/0x7d0 [ 53.065232] [] ? pfkey_delete+0x360/0x360 [ 53.065995] [] pfkey_process+0x61e/0x730 [ 53.066762] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 53.067687] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.074495] [] pfkey_sendmsg+0x3a9/0x760 [ 53.080174] [] ? pfkey_spdget+0x820/0x820 [ 53.085938] [] sock_sendmsg+0xca/0x110 [ 53.091439] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.097201] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.103745] [] ? __lru_cache_add+0x187/0x250 [ 53.109767] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.116831] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.122765] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.129829] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.135936] [] ? __lock_is_held+0xa1/0xf0 [ 53.141698] [] ? __pmd_alloc+0x410/0x410 [ 53.147375] [] ? __fget_light+0x158/0x1e0 [ 53.153136] [] ? __fdget+0x18/0x20 [ 53.158289] [] __sys_sendmsg+0xd6/0x190 [ 53.163875] [] ? SyS_shutdown+0x1b0/0x1b0 [ 53.169639] [] ? __do_page_fault+0x5ec/0xd40 [ 53.175661] [] ? __do_page_fault+0x3bd/0xd40 [ 53.181683] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.188485] [] SyS_sendmsg+0x2d/0x50 executing program [ 53.193813] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 53.201618] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3337 [ 53.210321] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.215758] CPU: 1 PID: 3337 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 53.223514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.232834] ffff8801c707f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 53.240781] ffffffff83f42ec0 ffff8801c7070000 0000000000000003 ffff8801c707f718 [ 53.248738] ffffffff81df7854 ffff8801c707f730 ffffffff83f42ec0 dffffc0000000000 [ 53.256700] Call Trace: [ 53.259257] [] dump_stack+0xc1/0x128 [ 53.264585] [] check_preemption_disabled+0x1d4/0x200 [ 53.271301] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.277758] [] ipcomp_init_state+0x188/0x930 [ 53.283781] [] ? __lock_is_held+0xa1/0xf0 [ 53.289542] [] ipcomp4_init_state+0xb0/0x7d0 [ 53.295566] [] __xfrm_init_state+0x3e7/0xb30 [ 53.301589] [] xfrm_init_state+0x1a/0x20 [ 53.307273] [] pfkey_add+0x1fb9/0x3470 [ 53.312775] [] ? pfkey_delete+0x360/0x360 [ 53.318542] [] ? pfkey_seq_stop+0x80/0x80 [ 53.324311] [] ? __skb_clone+0x24a/0x7d0 [ 53.329989] [] ? pfkey_delete+0x360/0x360 [ 53.335749] [] pfkey_process+0x61e/0x730 [ 53.341423] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 53.348227] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.355035] [] pfkey_sendmsg+0x3a9/0x760 [ 53.360708] [] ? pfkey_spdget+0x820/0x820 [ 53.366470] [] sock_sendmsg+0xca/0x110 [ 53.371970] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.377729] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.384273] [] ? __lru_cache_add+0x187/0x250 [ 53.390384] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.397447] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.403382] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.410446] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.416555] [] ? __lock_is_held+0xa1/0xf0 [ 53.422324] [] ? __pmd_alloc+0x410/0x410 [ 53.427997] [] ? __fget_light+0x158/0x1e0 [ 53.433756] [] ? __fdget+0x18/0x20 [ 53.438910] [] __sys_sendmsg+0xd6/0x190 executing program [ 53.444508] [] ? SyS_shutdown+0x1b0/0x1b0 [ 53.450274] [] ? __do_page_fault+0x5ec/0xd40 [ 53.456296] [] ? __do_page_fault+0x3bd/0xd40 [ 53.462319] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.469122] [] SyS_sendmsg+0x2d/0x50 [ 53.474452] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 53.481367] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3343 [ 53.490192] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.495633] CPU: 1 PID: 3343 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 53.503389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.512708] ffff8801c76e76d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 53.520653] ffffffff83f42ec0 ffff8801c76d1800 0000000000000003 ffff8801c76e7718 [ 53.528619] ffffffff81df7854 ffff8801c76e7730 ffffffff83f42ec0 dffffc0000000000 [ 53.536560] Call Trace: [ 53.539111] [] dump_stack+0xc1/0x128 [ 53.544441] [] check_preemption_disabled+0x1d4/0x200 [ 53.551156] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.557614] [] ipcomp_init_state+0x188/0x930 [ 53.563636] [] ? __lock_is_held+0xa1/0xf0 [ 53.569396] [] ipcomp4_init_state+0xb0/0x7d0 [ 53.575421] [] __xfrm_init_state+0x3e7/0xb30 [ 53.581450] [] xfrm_init_state+0x1a/0x20 [ 53.587127] [] pfkey_add+0x1fb9/0x3470 [ 53.592627] [] ? pfkey_delete+0x360/0x360 [ 53.598389] [] ? pfkey_seq_stop+0x80/0x80 [ 53.604151] [] ? __skb_clone+0x24a/0x7d0 [ 53.609824] [] ? pfkey_delete+0x360/0x360 [ 53.615589] [] pfkey_process+0x61e/0x730 [ 53.621267] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 53.628072] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.634875] [] pfkey_sendmsg+0x3a9/0x760 [ 53.640550] [] ? pfkey_spdget+0x820/0x820 [ 53.646313] [] sock_sendmsg+0xca/0x110 [ 53.651815] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.657592] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.664136] [] ? __lru_cache_add+0x187/0x250 [ 53.670162] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.677227] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.683161] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.690226] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.696335] [] ? __lock_is_held+0xa1/0xf0 [ 53.702098] [] ? __pmd_alloc+0x410/0x410 [ 53.707772] [] ? __fget_light+0x158/0x1e0 [ 53.713533] [] ? __fdget+0x18/0x20 [ 53.718686] [] __sys_sendmsg+0xd6/0x190 [ 53.724273] [] ? SyS_shutdown+0x1b0/0x1b0 [ 53.730035] [] ? __do_page_fault+0x5ec/0xd40 [ 53.736056] [] ? __do_page_fault+0x3bd/0xd40 [ 53.742077] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 53.748890] [] SyS_sendmsg+0x2d/0x50 [ 53.754218] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 53.761079] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3339 [ 53.769756] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.775206] CPU: 1 PID: 3339 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 53.782965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.792285] ffff8801c76976d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 53.800242] ffffffff83f42ec0 ffff8801c7073000 0000000000000003 ffff8801c7697718 [ 53.808188] ffffffff81df7854 ffff8801c7697730 ffffffff83f42ec0 dffffc0000000000 [ 53.816139] Call Trace: [ 53.818691] [] dump_stack+0xc1/0x128 [ 53.824021] [] check_preemption_disabled+0x1d4/0x200 [ 53.830738] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.837199] [] ipcomp_init_state+0x188/0x930 [ 53.843232] [] ? __lock_is_held+0xa1/0xf0 [ 53.848995] [] ipcomp4_init_state+0xb0/0x7d0 [ 53.855017] [] __xfrm_init_state+0x3e7/0xb30 [ 53.861039] [] xfrm_init_state+0x1a/0x20 [ 53.866716] [] pfkey_add+0x1fb9/0x3470 [ 53.872216] [] ? pfkey_delete+0x360/0x360 [ 53.877976] [] ? pfkey_seq_stop+0x80/0x80 [ 53.883738] [] ? __skb_clone+0x24a/0x7d0 [ 53.889411] [] ? pfkey_delete+0x360/0x360 [ 53.895171] [] pfkey_process+0x61e/0x730 [ 53.900848] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 53.907650] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.914459] [] pfkey_sendmsg+0x3a9/0x760 [ 53.920134] [] ? pfkey_spdget+0x820/0x820 [ 53.926227] [] sock_sendmsg+0xca/0x110 [ 53.931744] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.937505] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.944049] [] ? __lru_cache_add+0x187/0x250 [ 53.950071] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.957135] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.963079] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.970143] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.976251] [] ? __lock_is_held+0xa1/0xf0 [ 53.982011] [] ? __pmd_alloc+0x410/0x410 [ 53.987685] [] ? __fget_light+0x158/0x1e0 [ 53.993445] [] ? __fdget+0x18/0x20 executing program [ 53.998600] [] __sys_sendmsg+0xd6/0x190 [ 54.004189] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.009951] [] ? __do_page_fault+0x5ec/0xd40 [ 54.015981] [] ? __do_page_fault+0x3bd/0xd40 [ 54.022004] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.028804] [] SyS_sendmsg+0x2d/0x50 [ 54.034132] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 54.040945] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3341 [ 54.049612] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.055055] CPU: 1 PID: 3341 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 54.062811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.072131] ffff8801c76af6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 54.080078] ffffffff83f42ec0 ffff8801c7076000 0000000000000003 ffff8801c76af718 [ 54.088021] ffffffff81df7854 ffff8801c76af730 ffffffff83f42ec0 dffffc0000000000 [ 54.095966] Call Trace: [ 54.098517] [] dump_stack+0xc1/0x128 [ 54.103844] [] check_preemption_disabled+0x1d4/0x200 [ 54.110560] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.117016] [] ipcomp_init_state+0x188/0x930 [ 54.123037] [] ? __lock_is_held+0xa1/0xf0 [ 54.128797] [] ipcomp4_init_state+0xb0/0x7d0 [ 54.134819] [] __xfrm_init_state+0x3e7/0xb30 [ 54.140841] [] xfrm_init_state+0x1a/0x20 [ 54.146521] [] pfkey_add+0x1fb9/0x3470 [ 54.152025] [] ? pfkey_delete+0x360/0x360 [ 54.157789] [] ? pfkey_seq_stop+0x80/0x80 [ 54.163554] [] ? __skb_clone+0x24a/0x7d0 [ 54.169229] [] ? pfkey_delete+0x360/0x360 [ 54.174992] [] pfkey_process+0x61e/0x730 [ 54.180675] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 54.187483] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.194288] [] pfkey_sendmsg+0x3a9/0x760 [ 54.199961] [] ? pfkey_spdget+0x820/0x820 [ 54.205724] [] sock_sendmsg+0xca/0x110 [ 54.211225] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.216985] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.223529] [] ? __lru_cache_add+0x187/0x250 [ 54.229551] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.236616] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.242554] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.249619] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.255731] [] ? __lock_is_held+0xa1/0xf0 [ 54.261491] [] ? __pmd_alloc+0x410/0x410 [ 54.267167] [] ? __fget_light+0x158/0x1e0 [ 54.272931] [] ? __fdget+0x18/0x20 [ 54.278087] [] __sys_sendmsg+0xd6/0x190 [ 54.283675] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.289438] [] ? __do_page_fault+0x5ec/0xd40 [ 54.295464] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 54.301491] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.308296] [] SyS_sendmsg+0x2d/0x50 [ 54.313629] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 54.320491] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3342 [ 54.329225] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.334673] CPU: 1 PID: 3342 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 54.342431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.351754] ffff8801c76df6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 54.359717] ffffffff83f42ec0 ffff8801c76d0000 0000000000000003 ffff8801c76df718 [ 54.367668] ffffffff81df7854 ffff8801c76df730 ffffffff83f42ec0 dffffc0000000000 [ 54.375618] Call Trace: [ 54.378172] [] dump_stack+0xc1/0x128 [ 54.383500] [] check_preemption_disabled+0x1d4/0x200 [ 54.390216] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.396672] [] ipcomp_init_state+0x188/0x930 [ 54.402695] [] ? __lock_is_held+0xa1/0xf0 [ 54.408458] [] ipcomp4_init_state+0xb0/0x7d0 [ 54.414488] [] __xfrm_init_state+0x3e7/0xb30 [ 54.420510] [] xfrm_init_state+0x1a/0x20 [ 54.426187] [] pfkey_add+0x1fb9/0x3470 [ 54.431686] [] ? pfkey_delete+0x360/0x360 [ 54.437446] [] ? pfkey_seq_stop+0x80/0x80 [ 54.443208] [] ? __skb_clone+0x24a/0x7d0 [ 54.448883] [] ? pfkey_delete+0x360/0x360 [ 54.454645] [] pfkey_process+0x61e/0x730 [ 54.460319] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 54.467120] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.473926] [] pfkey_sendmsg+0x3a9/0x760 [ 54.479602] [] ? pfkey_spdget+0x820/0x820 [ 54.485365] [] sock_sendmsg+0xca/0x110 [ 54.490866] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.496626] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.503169] [] ? __lru_cache_add+0x187/0x250 [ 54.509193] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.516258] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.522191] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.529257] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.535378] [] ? __lock_is_held+0xa1/0xf0 [ 54.541143] [] ? __pmd_alloc+0x410/0x410 [ 54.546819] [] ? __fget_light+0x158/0x1e0 executing program [ 54.552579] [] ? __fdget+0x18/0x20 [ 54.557731] [] __sys_sendmsg+0xd6/0x190 [ 54.563318] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.569079] [] ? __do_page_fault+0x5ec/0xd40 [ 54.575100] [] ? __do_page_fault+0x3bd/0xd40 [ 54.581122] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.587926] [] SyS_sendmsg+0x2d/0x50 [ 54.593253] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 54.600023] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3340 [ 54.608746] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.614183] CPU: 1 PID: 3340 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 54.621938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.631256] ffff8801c769f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 54.639205] ffffffff83f42ec0 ffff8801c7074800 0000000000000003 ffff8801c769f718 [ 54.647164] ffffffff81df7854 ffff8801c769f730 ffffffff83f42ec0 dffffc0000000000 [ 54.655129] Call Trace: [ 54.657681] [] dump_stack+0xc1/0x128 [ 54.663010] [] check_preemption_disabled+0x1d4/0x200 [ 54.669729] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.676187] [] ipcomp_init_state+0x188/0x930 [ 54.682212] [] ? __lock_is_held+0xa1/0xf0 [ 54.687983] [] ipcomp4_init_state+0xb0/0x7d0 [ 54.694007] [] __xfrm_init_state+0x3e7/0xb30 [ 54.700028] [] xfrm_init_state+0x1a/0x20 [ 54.705704] [] pfkey_add+0x1fb9/0x3470 [ 54.711203] [] ? pfkey_delete+0x360/0x360 [ 54.716963] [] ? pfkey_seq_stop+0x80/0x80 [ 54.722725] [] ? __skb_clone+0x24a/0x7d0 [ 54.728399] [] ? pfkey_delete+0x360/0x360 [ 54.734162] [] pfkey_process+0x61e/0x730 [ 54.739836] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 54.746640] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.753441] [] pfkey_sendmsg+0x3a9/0x760 [ 54.759117] [] ? pfkey_spdget+0x820/0x820 [ 54.764879] [] sock_sendmsg+0xca/0x110 [ 54.770378] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.776147] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.782689] [] ? __lru_cache_add+0x187/0x250 [ 54.788711] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.795773] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.801707] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.808771] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.814880] [] ? __lock_is_held+0xa1/0xf0 [ 54.820642] [] ? __pmd_alloc+0x410/0x410 [ 54.826317] [] ? __fget_light+0x158/0x1e0 [ 54.832079] [] ? __fdget+0x18/0x20 [ 54.837251] [] __sys_sendmsg+0xd6/0x190 [ 54.842837] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.848599] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 54.854622] [] ? __do_page_fault+0x3bd/0xd40 [ 54.860643] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.867448] [] SyS_sendmsg+0x2d/0x50 [ 54.872775] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 54.879487] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3338 [ 54.888166] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.893627] CPU: 1 PID: 3338 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 54.901389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.910710] ffff8801c768f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 54.918665] ffffffff83f42ec0 ffff8801c7071800 0000000000000003 ffff8801c768f718 [ 54.926615] ffffffff81df7854 ffff8801c768f730 ffffffff83f42ec0 dffffc0000000000 [ 54.934567] Call Trace: [ 54.937125] [] dump_stack+0xc1/0x128 [ 54.942452] [] check_preemption_disabled+0x1d4/0x200 [ 54.949169] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.955623] [] ipcomp_init_state+0x188/0x930 [ 54.961644] [] ? __lock_is_held+0xa1/0xf0 [ 54.967406] [] ipcomp4_init_state+0xb0/0x7d0 [ 54.973429] [] __xfrm_init_state+0x3e7/0xb30 [ 54.979451] [] xfrm_init_state+0x1a/0x20 [ 54.985129] [] pfkey_add+0x1fb9/0x3470 [ 54.990629] [] ? pfkey_delete+0x360/0x360 [ 54.996390] [] ? pfkey_seq_stop+0x80/0x80 [ 55.002159] [] ? __skb_clone+0x24a/0x7d0 [ 55.007838] [] ? pfkey_delete+0x360/0x360 [ 55.013600] [] pfkey_process+0x61e/0x730 [ 55.019274] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 55.026078] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.032883] [] pfkey_sendmsg+0x3a9/0x760 [ 55.038555] [] ? pfkey_spdget+0x820/0x820 [ 55.044316] [] sock_sendmsg+0xca/0x110 [ 55.049816] [] ___sys_sendmsg+0x6d1/0x7e0 [ 55.055578] [] ? copy_msghdr_from_user+0x550/0x550 [ 55.062123] [] ? __lru_cache_add+0x187/0x250 [ 55.068145] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 55.075217] [] ? _raw_spin_unlock+0x2c/0x50 [ 55.081152] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 55.088216] [] ? handle_mm_fault+0x6ee/0x2530 [ 55.094323] [] ? __lock_is_held+0xa1/0xf0 [ 55.100088] [] ? __pmd_alloc+0x410/0x410 [ 55.105761] [] ? __fget_light+0x158/0x1e0 [ 55.111522] [] ? __fdget+0x18/0x20 [ 55.116676] [] __sys_sendmsg+0xd6/0x190 [ 55.122272] [] ? SyS_shutdown+0x1b0/0x1b0 [ 55.128034] [] ? __do_page_fault+0x5ec/0xd40 [ 55.134056] [] ? __do_page_fault+0x3bd/0xd40 [ 55.140076] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.146880] [] SyS_sendmsg+0x2d/0x50 executing program [ 55.152207] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 55.159093] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3344 [ 55.167785] caller is __this_cpu_preempt_check+0x1c/0x20 [ 55.173223] CPU: 0 PID: 3344 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 55.180980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.190315] ffff8801c76ef6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 55.198265] ffffffff83f42ec0 ffff8801c76d3000 0000000000000003 ffff8801c76ef718 [ 55.206213] ffffffff81df7854 ffff8801c76ef730 ffffffff83f42ec0 dffffc0000000000 [ 55.214159] Call Trace: [ 55.216712] [] dump_stack+0xc1/0x128 [ 55.222045] [] check_preemption_disabled+0x1d4/0x200 [ 55.228762] [] __this_cpu_preempt_check+0x1c/0x20 [ 55.235220] [] ipcomp_init_state+0x188/0x930 [ 55.241243] [] ? __lock_is_held+0xa1/0xf0 [ 55.247004] [] ipcomp4_init_state+0xb0/0x7d0 [ 55.253041] [] __xfrm_init_state+0x3e7/0xb30 [ 55.259066] [] xfrm_init_state+0x1a/0x20 [ 55.264746] [] pfkey_add+0x1fb9/0x3470 [ 55.270250] [] ? pfkey_delete+0x360/0x360 [ 55.276012] [] ? pfkey_seq_stop+0x80/0x80 [ 55.281776] [] ? __skb_clone+0x24a/0x7d0 [ 55.287456] [] ? pfkey_delete+0x360/0x360 [ 55.293219] [] pfkey_process+0x61e/0x730 [ 55.298894] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 55.305699] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.312504] [] pfkey_sendmsg+0x3a9/0x760 [ 55.318178] [] ? pfkey_spdget+0x820/0x820 [ 55.323942] [] sock_sendmsg+0xca/0x110 [ 55.329445] [] ___sys_sendmsg+0x6d1/0x7e0 [ 55.335209] [] ? copy_msghdr_from_user+0x550/0x550 [ 55.341756] [] ? __lru_cache_add+0x187/0x250 [ 55.347782] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 55.354848] [] ? _raw_spin_unlock+0x2c/0x50 [ 55.360784] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 55.367849] [] ? handle_mm_fault+0x6ee/0x2530 [ 55.373957] [] ? __lock_is_held+0xa1/0xf0 [ 55.379718] [] ? __pmd_alloc+0x410/0x410 [ 55.385393] [] ? __fget_light+0x158/0x1e0 [ 55.391153] [] ? __fdget+0x18/0x20 [ 55.396309] [] __sys_sendmsg+0xd6/0x190 executing program [ 55.401896] [] ? SyS_shutdown+0x1b0/0x1b0 [ 55.407661] [] ? __do_page_fault+0x5ec/0xd40 [ 55.413687] [] ? __do_page_fault+0x3bd/0xd40 [ 55.419712] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.426518] [] SyS_sendmsg+0x2d/0x50 [ 55.431846] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 55.439094] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3337 [ 55.447765] caller is __this_cpu_preempt_check+0x1c/0x20 [ 55.453214] CPU: 0 PID: 3337 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 55.460983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.470302] ffff8801c707f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 55.478267] ffffffff83f42ec0 ffff8801c7070000 0000000000000003 ffff8801c707f718 [ 55.486217] ffffffff81df7854 ffff8801c707f730 ffffffff83f42ec0 dffffc0000000000 [ 55.494171] Call Trace: [ 55.496723] [] dump_stack+0xc1/0x128 [ 55.502050] [] check_preemption_disabled+0x1d4/0x200 [ 55.508767] [] __this_cpu_preempt_check+0x1c/0x20 [ 55.515222] [] ipcomp_init_state+0x188/0x930 [ 55.521243] [] ? __lock_is_held+0xa1/0xf0 [ 55.527006] [] ipcomp4_init_state+0xb0/0x7d0 [ 55.533030] [] __xfrm_init_state+0x3e7/0xb30 [ 55.539051] [] xfrm_init_state+0x1a/0x20 [ 55.544727] [] pfkey_add+0x1fb9/0x3470 [ 55.550227] [] ? pfkey_delete+0x360/0x360 [ 55.555986] [] ? pfkey_seq_stop+0x80/0x80 [ 55.561747] [] ? __skb_clone+0x24a/0x7d0 [ 55.567421] [] ? pfkey_delete+0x360/0x360 [ 55.573189] [] pfkey_process+0x61e/0x730 [ 55.578863] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 55.585667] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.592473] [] pfkey_sendmsg+0x3a9/0x760 [ 55.598146] [] ? pfkey_spdget+0x820/0x820 [ 55.603909] [] sock_sendmsg+0xca/0x110 [ 55.609411] [] ___sys_sendmsg+0x6d1/0x7e0 [ 55.615171] [] ? copy_msghdr_from_user+0x550/0x550 [ 55.621716] [] ? __lru_cache_add+0x187/0x250 [ 55.627739] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 55.634804] [] ? _raw_spin_unlock+0x2c/0x50 [ 55.640747] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 55.647813] [] ? handle_mm_fault+0x6ee/0x2530 [ 55.653922] [] ? __lock_is_held+0xa1/0xf0 [ 55.659682] [] ? __pmd_alloc+0x410/0x410 [ 55.665356] [] ? __fget_light+0x158/0x1e0 [ 55.671121] [] ? __fdget+0x18/0x20 [ 55.676274] [] __sys_sendmsg+0xd6/0x190 [ 55.681862] [] ? SyS_shutdown+0x1b0/0x1b0 [ 55.687622] [] ? __do_page_fault+0x5ec/0xd40 [ 55.693643] [] ? __do_page_fault+0x3bd/0xd40 [ 55.699665] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.706469] [] SyS_sendmsg+0x2d/0x50 [ 55.711800] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.052713] check_preemption_disabled: 3443 callbacks suppressed [ 58.052719] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3343 [ 58.067697] caller is __this_cpu_preempt_check+0x1c/0x20 [ 58.073154] CPU: 0 PID: 3343 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 58.080920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.090245] ffff8801c76e76d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 58.098195] ffffffff83f42ec0 ffff8801c76d1800 0000000000000003 ffff8801c76e7718 [ 58.106139] ffffffff81df7854 ffff8801c76e7730 ffffffff83f42ec0 dffffc0000000000 [ 58.114093] Call Trace: [ 58.116647] [] dump_stack+0xc1/0x128 [ 58.121978] [] check_preemption_disabled+0x1d4/0x200 [ 58.128694] [] __this_cpu_preempt_check+0x1c/0x20 [ 58.135152] [] ipcomp_init_state+0x188/0x930 [ 58.141173] [] ? __lock_is_held+0xa1/0xf0 [ 58.146934] [] ipcomp4_init_state+0xb0/0x7d0 [ 58.152955] [] __xfrm_init_state+0x3e7/0xb30 [ 58.158975] [] xfrm_init_state+0x1a/0x20 [ 58.164651] [] pfkey_add+0x1fb9/0x3470 [ 58.171114] [] ? pfkey_delete+0x360/0x360 [ 58.176874] [] ? pfkey_seq_stop+0x80/0x80 [ 58.182634] [] ? __skb_clone+0x24a/0x7d0 [ 58.188307] [] ? pfkey_delete+0x360/0x360 [ 58.194067] [] pfkey_process+0x61e/0x730 [ 58.199739] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 58.207412] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.214215] [] pfkey_sendmsg+0x3a9/0x760 [ 58.219889] [] ? pfkey_spdget+0x820/0x820 [ 58.225650] [] sock_sendmsg+0xca/0x110 [ 58.231151] [] ___sys_sendmsg+0x6d1/0x7e0 [ 58.236912] [] ? copy_msghdr_from_user+0x550/0x550 [ 58.243455] [] ? __lru_cache_add+0x187/0x250 [ 58.249479] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 58.256548] [] ? _raw_spin_unlock+0x2c/0x50 [ 58.262498] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 58.269565] [] ? handle_mm_fault+0x6ee/0x2530 [ 58.275675] [] ? __lock_is_held+0xa1/0xf0 [ 58.281436] [] ? __pmd_alloc+0x410/0x410 [ 58.287110] [] ? __fget_light+0x158/0x1e0 [ 58.292870] [] ? __fdget+0x18/0x20 [ 58.298028] [] __sys_sendmsg+0xd6/0x190 executing program [ 58.303617] [] ? SyS_shutdown+0x1b0/0x1b0 [ 58.309378] [] ? __do_page_fault+0x5ec/0xd40 [ 58.315410] [] ? __do_page_fault+0x3bd/0xd40 [ 58.321432] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.328235] [] SyS_sendmsg+0x2d/0x50 [ 58.333564] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 58.342656] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3344 [ 58.351340] caller is __this_cpu_preempt_check+0x1c/0x20 [ 58.357829] CPU: 1 PID: 3344 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 58.365599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.374926] ffff8801c76ef6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 58.382872] ffffffff83f42ec0 ffff8801c76d3000 0000000000000003 ffff8801c76ef718 [ 58.390817] ffffffff81df7854 ffff8801c76ef730 ffffffff83f42ec0 dffffc0000000000 [ 58.398762] Call Trace: [ 58.401315] [] dump_stack+0xc1/0x128 [ 58.407060] [] check_preemption_disabled+0x1d4/0x200 [ 58.414122] [] __this_cpu_preempt_check+0x1c/0x20 [ 58.420577] [] ipcomp_init_state+0x188/0x930 [ 58.426600] [] ? __lock_is_held+0xa1/0xf0 [ 58.432362] [] ipcomp4_init_state+0xb0/0x7d0 [ 58.438383] [] __xfrm_init_state+0x3e7/0xb30 [ 58.444404] [] xfrm_init_state+0x1a/0x20 [ 58.450083] [] pfkey_add+0x1fb9/0x3470 [ 58.455758] [] ? pfkey_delete+0x360/0x360 [ 58.461518] [] ? pfkey_seq_stop+0x80/0x80 [ 58.467281] [] ? __skb_clone+0x24a/0x7d0 [ 58.472957] [] ? pfkey_delete+0x360/0x360 [ 58.478719] [] pfkey_process+0x61e/0x730 [ 58.484394] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 58.491195] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.497997] [] pfkey_sendmsg+0x3a9/0x760 [ 58.503670] [] ? pfkey_spdget+0x820/0x820 [ 58.509430] [] sock_sendmsg+0xca/0x110 [ 58.514931] [] ___sys_sendmsg+0x6d1/0x7e0 [ 58.520690] [] ? copy_msghdr_from_user+0x550/0x550 [ 58.527235] [] ? __lru_cache_add+0x187/0x250 [ 58.533258] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 58.540321] [] ? _raw_spin_unlock+0x2c/0x50 [ 58.546699] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 58.553764] [] ? handle_mm_fault+0x6ee/0x2530 [ 58.559873] [] ? __lock_is_held+0xa1/0xf0 [ 58.565634] [] ? __pmd_alloc+0x410/0x410 [ 58.571315] [] ? __fget_light+0x158/0x1e0 [ 58.577074] [] ? __fdget+0x18/0x20 [ 58.582228] [] __sys_sendmsg+0xd6/0x190 [ 58.587816] [] ? SyS_shutdown+0x1b0/0x1b0 [ 58.593580] [] ? __do_page_fault+0x5ec/0xd40 [ 58.599602] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 58.605622] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.612423] [] SyS_sendmsg+0x2d/0x50 [ 58.617752] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 58.625752] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3340 [ 58.634447] caller is __this_cpu_preempt_check+0x1c/0x20 [ 58.639863] CPU: 0 PID: 3340 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 58.647619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.656938] ffff8801c769f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 58.664892] ffffffff83f42ec0 ffff8801c7074800 0000000000000003 ffff8801c769f718 [ 58.672840] ffffffff81df7854 ffff8801c769f730 ffffffff83f42ec0 dffffc0000000000 [ 58.680787] Call Trace: [ 58.683339] [] dump_stack+0xc1/0x128 [ 58.688667] [] check_preemption_disabled+0x1d4/0x200 [ 58.695384] [] __this_cpu_preempt_check+0x1c/0x20 [ 58.701842] [] ipcomp_init_state+0x188/0x930 [ 58.708212] [] ? __lock_is_held+0xa1/0xf0 [ 58.715190] [] ipcomp4_init_state+0xb0/0x7d0 [ 58.721212] [] __xfrm_init_state+0x3e7/0xb30 [ 58.727234] [] xfrm_init_state+0x1a/0x20 [ 58.732912] [] pfkey_add+0x1fb9/0x3470 [ 58.738414] [] ? pfkey_delete+0x360/0x360 [ 58.744173] [] ? pfkey_seq_stop+0x80/0x80 [ 58.749934] [] ? __skb_clone+0x24a/0x7d0 [ 58.755607] [] ? pfkey_delete+0x360/0x360 [ 58.761369] [] pfkey_process+0x61e/0x730 [ 58.767045] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 58.773847] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.780649] [] pfkey_sendmsg+0x3a9/0x760 [ 58.786332] [] ? pfkey_spdget+0x820/0x820 [ 58.792093] [] sock_sendmsg+0xca/0x110 [ 58.797682] [] ___sys_sendmsg+0x6d1/0x7e0 [ 58.803449] [] ? copy_msghdr_from_user+0x550/0x550 [ 58.809992] [] ? __lru_cache_add+0x187/0x250 [ 58.816013] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 58.823080] [] ? _raw_spin_unlock+0x2c/0x50 [ 58.829013] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 58.836813] [] ? handle_mm_fault+0x6ee/0x2530 [ 58.842923] [] ? __lock_is_held+0xa1/0xf0 [ 58.848686] [] ? __pmd_alloc+0x410/0x410 [ 58.854363] [] ? __fget_light+0x158/0x1e0 [ 58.860122] [] ? __fdget+0x18/0x20 [ 58.865276] [] __sys_sendmsg+0xd6/0x190 [ 58.870864] [] ? SyS_shutdown+0x1b0/0x1b0 [ 58.876626] [] ? __do_page_fault+0x5ec/0xd40 [ 58.882647] [] ? __do_page_fault+0x3bd/0xd40 [ 58.888669] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 58.895476] [] SyS_sendmsg+0x2d/0x50 executing program [ 58.900803] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 58.908570] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3337 [ 58.917276] caller is __this_cpu_preempt_check+0x1c/0x20 [ 58.922718] CPU: 1 PID: 3337 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 58.930482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.939802] ffff8801c707f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 58.947758] ffffffff83f42ec0 ffff8801c7070000 0000000000000003 ffff8801c707f718 [ 58.956318] ffffffff81df7854 ffff8801c707f730 ffffffff83f42ec0 dffffc0000000000 [ 58.964609] Call Trace: [ 58.967164] [] dump_stack+0xc1/0x128 [ 58.972494] [] check_preemption_disabled+0x1d4/0x200 [ 58.979211] [] __this_cpu_preempt_check+0x1c/0x20 [ 58.985666] [] ipcomp_init_state+0x188/0x930 [ 58.991688] [] ? __lock_is_held+0xa1/0xf0 [ 58.997459] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.003481] [] __xfrm_init_state+0x3e7/0xb30 [ 59.009501] [] xfrm_init_state+0x1a/0x20 [ 59.015180] [] pfkey_add+0x1fb9/0x3470 [ 59.020682] [] ? pfkey_delete+0x360/0x360 [ 59.026441] [] ? pfkey_seq_stop+0x80/0x80 [ 59.032211] [] ? __skb_clone+0x24a/0x7d0 [ 59.037891] [] ? pfkey_delete+0x360/0x360 [ 59.043650] [] pfkey_process+0x61e/0x730 [ 59.049325] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.056129] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.062940] [] pfkey_sendmsg+0x3a9/0x760 [ 59.068613] [] ? pfkey_spdget+0x820/0x820 [ 59.074374] [] sock_sendmsg+0xca/0x110 [ 59.079872] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.085630] [] ? copy_msghdr_from_user+0x550/0x550 [ 59.092174] [] ? __lru_cache_add+0x187/0x250 [ 59.098890] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.106040] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.111972] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.119035] [] ? handle_mm_fault+0x6ee/0x2530 [ 59.125142] [] ? __lock_is_held+0xa1/0xf0 [ 59.130903] [] ? __pmd_alloc+0x410/0x410 [ 59.136576] [] ? __fget_light+0x158/0x1e0 [ 59.142334] [] ? __fdget+0x18/0x20 [ 59.147486] [] __sys_sendmsg+0xd6/0x190 executing program [ 59.153081] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.158842] [] ? __do_page_fault+0x5ec/0xd40 [ 59.164864] [] ? __do_page_fault+0x3bd/0xd40 [ 59.170888] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.177689] [] SyS_sendmsg+0x2d/0x50 [ 59.183017] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.190344] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3342 [ 59.199033] caller is __this_cpu_preempt_check+0x1c/0x20 [ 59.204925] CPU: 1 PID: 3342 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.212689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.222009] ffff8801c76df6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.229955] ffffffff83f42ec0 ffff8801c76d0000 0000000000000003 ffff8801c76df718 [ 59.237899] ffffffff81df7854 ffff8801c76df730 ffffffff83f42ec0 dffffc0000000000 [ 59.245841] Call Trace: [ 59.248397] [] dump_stack+0xc1/0x128 [ 59.253728] [] check_preemption_disabled+0x1d4/0x200 [ 59.260446] [] __this_cpu_preempt_check+0x1c/0x20 [ 59.266902] [] ipcomp_init_state+0x188/0x930 [ 59.272923] [] ? __lock_is_held+0xa1/0xf0 [ 59.278686] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.284709] [] __xfrm_init_state+0x3e7/0xb30 [ 59.290730] [] xfrm_init_state+0x1a/0x20 [ 59.296407] [] pfkey_add+0x1fb9/0x3470 [ 59.301906] [] ? pfkey_delete+0x360/0x360 [ 59.307666] [] ? pfkey_seq_stop+0x80/0x80 [ 59.313427] [] ? __skb_clone+0x24a/0x7d0 [ 59.319100] [] ? pfkey_delete+0x360/0x360 [ 59.324863] [] pfkey_process+0x61e/0x730 [ 59.330536] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.337338] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.344140] [] pfkey_sendmsg+0x3a9/0x760 [ 59.349816] [] ? pfkey_spdget+0x820/0x820 [ 59.355579] [] sock_sendmsg+0xca/0x110 [ 59.361080] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.366843] [] ? copy_msghdr_from_user+0x550/0x550 [ 59.373385] [] ? __lru_cache_add+0x187/0x250 [ 59.379406] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.386471] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.392406] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.399472] [] ? handle_mm_fault+0x6ee/0x2530 [ 59.405582] [] ? __lock_is_held+0xa1/0xf0 [ 59.411345] [] ? __pmd_alloc+0x410/0x410 [ 59.417018] [] ? __fget_light+0x158/0x1e0 [ 59.422777] [] ? __fdget+0x18/0x20 [ 59.427928] [] __sys_sendmsg+0xd6/0x190 [ 59.433515] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.439275] [] ? __do_page_fault+0x5ec/0xd40 [ 59.445298] [] ? __do_page_fault+0x3bd/0xd40 [ 59.451493] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.458297] [] SyS_sendmsg+0x2d/0x50 [ 59.463624] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.470924] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3339 [ 59.479605] caller is __this_cpu_preempt_check+0x1c/0x20 [ 59.485059] CPU: 1 PID: 3339 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.492834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492845] ffff8801c76976d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.492855] ffffffff83f42ec0 ffff8801c7073000 0000000000000003 ffff8801c7697718 [ 59.492862] ffffffff81df7854 ffff8801c7697730 ffffffff83f42ec0 dffffc0000000000 [ 59.492863] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492873] [] dump_stack+0xc1/0x128 [ 59.492881] [] check_preemption_disabled+0x1d4/0x200 [ 59.492888] [] __this_cpu_preempt_check+0x1c/0x20 [ 59.492896] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492904] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492912] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.492919] [] __xfrm_init_state+0x3e7/0xb30 [ 59.492926] [] xfrm_init_state+0x1a/0x20 [ 59.492934] [] pfkey_add+0x1fb9/0x3470 [ 59.492941] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492947] [] ? pfkey_seq_stop+0x80/0x80 [ 59.492954] [] ? __skb_clone+0x24a/0x7d0 [ 59.492961] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492967] [] pfkey_process+0x61e/0x730 [ 59.492975] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.492981] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.492988] [] pfkey_sendmsg+0x3a9/0x760 [ 59.492995] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493001] [] sock_sendmsg+0xca/0x110 [ 59.493007] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.493014] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493022] [] ? __lru_cache_add+0x187/0x250 [ 59.493030] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.493037] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493044] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.493051] [] ? handle_mm_fault+0x6ee/0x2530 [ 59.493057] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493064] [] ? __pmd_alloc+0x410/0x410 [ 59.493070] [] ? __fget_light+0x158/0x1e0 [ 59.493074] [] ? __fdget+0x18/0x20 [ 59.493081] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493087] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.493094] [] ? __do_page_fault+0x5ec/0xd40 [ 59.493101] [] ? __do_page_fault+0x3bd/0xd40 [ 59.493108] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.493115] [] SyS_sendmsg+0x2d/0x50 [ 59.493122] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.497548] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3341 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497558] caller is __this_cpu_preempt_check+0x1c/0x20 [ 59.497564] CPU: 1 PID: 3341 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.497567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497578] ffff8801c76af6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.497585] ffffffff83f42ec0 ffff8801c7076000 0000000000000003 ffff8801c76af718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497593] ffffffff81df7854 ffff8801c76af730 ffffffff83f42ec0 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497595] Call Trace: [ 59.497603] [] dump_stack+0xc1/0x128 [ 59.497610] [] check_preemption_disabled+0x1d4/0x200 [ 59.497617] [] __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497624] [] ipcomp_init_state+0x188/0x930 [ 59.497631] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497638] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.497645] [] __xfrm_init_state+0x3e7/0xb30 [ 59.497652] [] xfrm_init_state+0x1a/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497660] [] pfkey_add+0x1fb9/0x3470 [ 59.497666] [] ? pfkey_delete+0x360/0x360 [ 59.497673] [] ? pfkey_seq_stop+0x80/0x80 [ 59.497679] [] ? __skb_clone+0x24a/0x7d0 [ 59.497686] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497692] [] pfkey_process+0x61e/0x730 [ 59.497700] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.497706] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497714] [] pfkey_sendmsg+0x3a9/0x760 [ 59.497720] [] ? pfkey_spdget+0x820/0x820 [ 59.497727] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497734] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.497741] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497749] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497756] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.497763] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.497770] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.497777] [] ? handle_mm_fault+0x6ee/0x2530 [ 59.497784] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497790] [] ? __pmd_alloc+0x410/0x410 [ 59.497796] [] ? __fget_light+0x158/0x1e0 [ 59.497801] [] ? __fdget+0x18/0x20 [ 59.497808] [] __sys_sendmsg+0xd6/0x190 [ 59.497814] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.497821] [] ? __do_page_fault+0x5ec/0xd40 [ 59.497827] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.497834] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.497841] [] SyS_sendmsg+0x2d/0x50 [ 59.497848] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.500118] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3341 [ 59.500125] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500131] CPU: 1 PID: 3341 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.500140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.500149] ffff8801c76af6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.500157] ffffffff83f42ec0 ffff8801c7076000 0000000000000003 ffff8801c76af718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500165] ffffffff81df7854 ffff8801c76af730 ffffffff83f42ec0 dffffc0000000000 [ 59.500166] Call Trace: [ 59.500174] [] dump_stack+0xc1/0x128 [ 59.500181] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500187] [] __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500194] [] ipcomp_init_state+0x188/0x930 [ 59.500201] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500208] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.500215] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500222] [] xfrm_init_state+0x1a/0x20 [ 59.500229] [] pfkey_add+0x1fb9/0x3470 [ 59.500236] [] ? pfkey_delete+0x360/0x360 [ 59.500242] [] ? pfkey_seq_stop+0x80/0x80 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500249] [] ? __skb_clone+0x24a/0x7d0 [ 59.500255] [] ? pfkey_delete+0x360/0x360 [ 59.500262] [] pfkey_process+0x61e/0x730 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500269] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.500276] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.500283] [] pfkey_sendmsg+0x3a9/0x760 [ 59.500290] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500296] [] sock_sendmsg+0xca/0x110 [ 59.500302] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.500309] [] ? copy_msghdr_from_user+0x550/0x550 [ 59.500316] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500323] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.500330] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.500336] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.500343] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500349] [] ? __lock_is_held+0xa1/0xf0 [ 59.500356] [] ? __pmd_alloc+0x410/0x410 [ 59.500362] [] ? __fget_light+0x158/0x1e0 [ 59.500367] [] ? __fdget+0x18/0x20 [ 59.500373] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500380] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.500387] [] ? __do_page_fault+0x5ec/0xd40 [ 59.500394] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500401] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.500407] [] SyS_sendmsg+0x2d/0x50 [ 59.500414] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.501683] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3341 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501690] caller is __this_cpu_preempt_check+0x1c/0x20 [ 59.501695] CPU: 1 PID: 3341 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.501698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.501707] ffff8801c76af6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.501715] ffffffff83f42ec0 ffff8801c7076000 0000000000000003 ffff8801c76af718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501723] ffffffff81df7854 ffff8801c76af730 ffffffff83f42ec0 dffffc0000000000 [ 59.501725] Call Trace: [ 59.501731] [] dump_stack+0xc1/0x128 [ 59.501738] [] check_preemption_disabled+0x1d4/0x200 [ 59.501744] [] __this_cpu_preempt_check+0x1c/0x20 [ 59.501750] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501757] [] ? __lock_is_held+0xa1/0xf0 [ 59.501764] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.501771] [] __xfrm_init_state+0x3e7/0xb30 [ 59.501777] [] xfrm_init_state+0x1a/0x20 [ 59.501784] [] pfkey_add+0x1fb9/0x3470 [ 59.501791] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501797] [] ? pfkey_seq_stop+0x80/0x80 [ 59.501803] [] ? __skb_clone+0x24a/0x7d0 [ 59.501809] [] ? pfkey_delete+0x360/0x360 [ 59.501816] [] pfkey_process+0x61e/0x730 [ 59.501823] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.501830] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.501837] [] pfkey_sendmsg+0x3a9/0x760 [ 59.501844] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501850] [] sock_sendmsg+0xca/0x110 [ 59.501856] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.501863] [] ? copy_msghdr_from_user+0x550/0x550 [ 59.501870] [] ? __lru_cache_add+0x187/0x250 [ 59.501877] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.501883] [] ? _raw_spin_unlock+0x2c/0x50 [ 59.501890] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.501897] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501903] [] ? __lock_is_held+0xa1/0xf0 [ 59.501910] [] ? __pmd_alloc+0x410/0x410 [ 59.501915] [] ? __fget_light+0x158/0x1e0 [ 59.501920] [] ? __fdget+0x18/0x20 [ 59.501927] [] __sys_sendmsg+0xd6/0x190 [ 59.501933] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.501939] [] ? __do_page_fault+0x5ec/0xd40 [ 59.501946] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.501953] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.501959] [] SyS_sendmsg+0x2d/0x50 [ 59.501966] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 59.503024] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller189592/3338 [ 59.503032] caller is __this_cpu_preempt_check+0x1c/0x20 [ 59.503039] CPU: 1 PID: 3338 Comm: syzkaller189592 Not tainted 4.9.68-gfb66dc2 #107 [ 59.503044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503063] ffff8801c768f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 59.503081] ffffffff83f42ec0 ffff8801c7071800 0000000000000003 ffff8801c768f718 [ 59.503099] ffffffff81df7854 ffff8801c768f730 ffffffff83f42ec0 dffffc0000000000 [ 59.503102] Call Trace: [ 59.503110] [] dump_stack+0xc1/0x128 [ 59.503118] [] check_preemption_disabled+0x1d4/0x200 [ 59.503125] [] __this_cpu_preempt_check+0x1c/0x20 [ 59.503139] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503148] [] ? __lock_is_held+0xa1/0xf0 [ 59.503155] [] ipcomp4_init_state+0xb0/0x7d0 [ 59.503163] [] __xfrm_init_state+0x3e7/0xb30 [ 59.503170] [] xfrm_init_state+0x1a/0x20 [ 59.503177] [] pfkey_add+0x1fb9/0x3470 [ 59.503185] [] ? pfkey_delete+0x360/0x360 [ 59.503192] [] ? pfkey_seq_stop+0x80/0x80 [ 59.503199] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503206] [] ? pfkey_delete+0x360/0x360 [ 59.503213] [] pfkey_process+0x61e/0x730 [ 59.503221] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 59.503228] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.503236] [] pfkey_sendmsg+0x3a9/0x760 [ 59.503243] [] ? pfkey_spdget+0x820/0x820 [ 59.503250] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503257] [] ___sys_sendmsg+0x6d1/0x7e0 [ 59.503264] [] ? copy_msghdr_from_user+0x550/0x550 [ 59.503272] [] ? __lru_cache_add+0x187/0x250 [ 59.503280] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 59.503287] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503294] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 59.503303] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503310] [] ? __lock_is_held+0xa1/0xf0 [ 59.503317] [] ? __pmd_alloc+0x410/0x410 [ 59.503323] [] ? __fget_light+0x158/0x1e0 [ 59.503328] [] ? __fdget+0x18/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503335] [] __sys_sendmsg+0xd6/0x190 [ 59.503342] [] ? SyS_shutdown+0x1b0/0x1b0 [ 59.503348] [] ? __do_page_fault+0x5ec/0xd40 [ 59.503355] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.503363] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 59.503370] [] SyS_sendmsg+0x2d/0x50 [ 59.503378] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 61.332650] random: crng init done executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program