[....] Starting enhanced syslogd: rsyslogd[ 11.353870] audit: type=1400 audit(1513051395.082:4): avc: denied { syslog } for pid=3158 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[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-386-1,10.128.15.226' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 19.777299] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 19.778534] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.779271] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 19.780265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.781941] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 19.783134] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 19.784258] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 19.785381] Call Trace: [ 19.785735] [] dump_stack+0xc1/0x128 [ 19.786444] [] check_preemption_disabled+0x1d4/0x200 [ 19.787372] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.788224] [] ipcomp_init_state+0x188/0x930 [ 19.789033] [] ? __lock_is_held+0xa1/0xf0 [ 19.789811] [] ipcomp4_init_state+0xb0/0x7d0 [ 19.790609] [] __xfrm_init_state+0x3e7/0xb30 [ 19.791406] [] xfrm_init_state+0x1a/0x20 [ 19.792159] [] pfkey_add+0x1fb9/0x3470 [ 19.792899] [] ? pfkey_delete+0x360/0x360 [ 19.793665] [] ? pfkey_seq_stop+0x80/0x80 [ 19.794437] [] ? __skb_clone+0x24a/0x7d0 [ 19.795219] [] ? pfkey_delete+0x360/0x360 [ 19.795982] [] pfkey_process+0x61e/0x730 [ 19.796733] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.797629] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.804432] [] pfkey_sendmsg+0x3a9/0x760 [ 19.810110] [] ? pfkey_spdget+0x820/0x820 [ 19.815870] [] sock_sendmsg+0xca/0x110 [ 19.821369] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.827134] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.833683] [] ? __lru_cache_add+0x187/0x250 [ 19.839712] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 19.846787] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.852728] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 19.859798] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.865908] [] ? __fget_light+0x158/0x1e0 [ 19.871674] [] ? __fdget+0x18/0x20 [ 19.876830] [] ? sockfd_lookup_light+0x118/0x160 [ 19.883197] [] __sys_sendmsg+0xd6/0x190 [ 19.888788] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.894553] [] ? __do_page_fault+0x5ec/0xd40 [ 19.900577] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.906515] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 19.913057] [] do_fast_syscall_32+0x2f7/0x890 [ 19.919163] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 19.925792] [] entry_SYSENTER_compat+0x51/0x60 [ 19.934136] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 19.942783] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.948221] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 19.955810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.965130] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 19.973073] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 19.981020] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 19.988973] Call Trace: [ 19.991525] [] dump_stack+0xc1/0x128 [ 19.996854] [] check_preemption_disabled+0x1d4/0x200 [ 20.003575] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.010033] [] ipcomp_init_state+0x188/0x930 [ 20.016055] [] ? __lock_is_held+0xa1/0xf0 [ 20.021818] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.027841] [] __xfrm_init_state+0x3e7/0xb30 [ 20.033864] [] xfrm_init_state+0x1a/0x20 [ 20.039538] [] pfkey_add+0x1fb9/0x3470 [ 20.045040] [] ? pfkey_delete+0x360/0x360 [ 20.050805] [] ? pfkey_seq_stop+0x80/0x80 [ 20.056571] [] ? __skb_clone+0x24a/0x7d0 [ 20.062243] [] ? pfkey_delete+0x360/0x360 [ 20.068002] [] pfkey_process+0x61e/0x730 [ 20.073683] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.080491] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.087297] [] pfkey_sendmsg+0x3a9/0x760 [ 20.092970] [] ? pfkey_spdget+0x820/0x820 [ 20.098730] [] sock_sendmsg+0xca/0x110 [ 20.104229] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.109987] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.116532] [] ? __lru_cache_add+0x187/0x250 [ 20.122556] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 20.129620] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.135555] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 20.142619] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.148730] [] ? __fget_light+0x158/0x1e0 [ 20.154491] [] ? __fdget+0x18/0x20 [ 20.159652] [] ? sockfd_lookup_light+0x118/0x160 [ 20.166028] [] __sys_sendmsg+0xd6/0x190 [ 20.171617] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 20.177381] [] ? __do_page_fault+0x5ec/0xd40 [ 20.183402] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.189340] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.195894] [] do_fast_syscall_32+0x2f7/0x890 [ 20.202003] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.208637] [] entry_SYSENTER_compat+0x51/0x60 [ 20.217263] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 20.225937] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.231361] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 20.238950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.248269] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 20.256226] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 20.264188] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 20.272138] Call Trace: [ 20.274691] [] dump_stack+0xc1/0x128 [ 20.280019] [] check_preemption_disabled+0x1d4/0x200 [ 20.286733] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.293191] [] ipcomp_init_state+0x188/0x930 [ 20.299215] [] ? __lock_is_held+0xa1/0xf0 [ 20.304979] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.311000] [] __xfrm_init_state+0x3e7/0xb30 [ 20.317022] [] xfrm_init_state+0x1a/0x20 [ 20.322701] [] pfkey_add+0x1fb9/0x3470 [ 20.328210] [] ? pfkey_delete+0x360/0x360 [ 20.333975] [] ? pfkey_seq_stop+0x80/0x80 [ 20.339741] [] ? __skb_clone+0x24a/0x7d0 [ 20.345420] [] ? pfkey_delete+0x360/0x360 [ 20.351181] [] pfkey_process+0x61e/0x730 [ 20.356863] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.363681] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.370490] [] pfkey_sendmsg+0x3a9/0x760 [ 20.376164] [] ? pfkey_spdget+0x820/0x820 [ 20.381925] [] sock_sendmsg+0xca/0x110 [ 20.387425] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.393189] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.399737] [] ? __lru_cache_add+0x187/0x250 [ 20.405759] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 20.412825] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.418761] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 20.425915] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.432021] [] ? __fget_light+0x158/0x1e0 [ 20.437780] [] ? __fdget+0x18/0x20 [ 20.442933] [] ? sockfd_lookup_light+0x118/0x160 [ 20.449303] [] __sys_sendmsg+0xd6/0x190 [ 20.454893] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.460653] [] ? __do_page_fault+0x5ec/0xd40 [ 20.466675] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.472614] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 20.479169] [] do_fast_syscall_32+0x2f7/0x890 [ 20.485278] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.491910] [] entry_SYSENTER_compat+0x51/0x60 [ 20.500067] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 20.508741] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.514191] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 20.521787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.531106] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 20.539066] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 20.547014] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 20.554976] Call Trace: [ 20.557530] [] dump_stack+0xc1/0x128 [ 20.562865] [] check_preemption_disabled+0x1d4/0x200 [ 20.569585] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.576053] [] ipcomp_init_state+0x188/0x930 [ 20.582075] [] ? __lock_is_held+0xa1/0xf0 [ 20.587837] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.593857] [] __xfrm_init_state+0x3e7/0xb30 [ 20.599886] [] xfrm_init_state+0x1a/0x20 [ 20.605565] [] pfkey_add+0x1fb9/0x3470 [ 20.611064] [] ? pfkey_delete+0x360/0x360 [ 20.616824] [] ? pfkey_seq_stop+0x80/0x80 [ 20.622584] [] ? __skb_clone+0x24a/0x7d0 [ 20.628262] [] ? pfkey_delete+0x360/0x360 [ 20.634021] [] pfkey_process+0x61e/0x730 [ 20.639708] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.646518] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.653330] [] pfkey_sendmsg+0x3a9/0x760 [ 20.659007] [] ? pfkey_spdget+0x820/0x820 [ 20.664769] [] sock_sendmsg+0xca/0x110 [ 20.670268] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.676031] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.682573] [] ? __lru_cache_add+0x187/0x250 [ 20.688595] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 20.695659] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.701594] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 20.708660] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.714765] [] ? __fget_light+0x158/0x1e0 [ 20.720524] [] ? __fdget+0x18/0x20 executing program [ 20.725679] [] ? sockfd_lookup_light+0x118/0x160 [ 20.732046] [] __sys_sendmsg+0xd6/0x190 [ 20.737633] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.743392] [] ? __do_page_fault+0x5ec/0xd40 [ 20.749415] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.755355] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.761904] [] do_fast_syscall_32+0x2f7/0x890 [ 20.768011] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.774646] [] entry_SYSENTER_compat+0x51/0x60 [ 20.782972] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 20.791640] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.797075] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 20.804667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.813986] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 20.821926] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 20.829872] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 20.837816] Call Trace: [ 20.840371] [] dump_stack+0xc1/0x128 [ 20.845699] [] check_preemption_disabled+0x1d4/0x200 [ 20.852413] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.858869] [] ipcomp_init_state+0x188/0x930 [ 20.864891] [] ? __lock_is_held+0xa1/0xf0 [ 20.870665] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.876686] [] __xfrm_init_state+0x3e7/0xb30 [ 20.882720] [] xfrm_init_state+0x1a/0x20 [ 20.888397] [] pfkey_add+0x1fb9/0x3470 [ 20.893896] [] ? pfkey_delete+0x360/0x360 [ 20.899657] [] ? pfkey_seq_stop+0x80/0x80 [ 20.905418] [] ? __skb_clone+0x24a/0x7d0 [ 20.911093] [] ? pfkey_delete+0x360/0x360 [ 20.916854] [] pfkey_process+0x61e/0x730 [ 20.922527] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.929331] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.936131] [] pfkey_sendmsg+0x3a9/0x760 [ 20.941810] [] ? pfkey_spdget+0x820/0x820 [ 20.947572] [] sock_sendmsg+0xca/0x110 [ 20.953072] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.958831] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.965375] [] ? __lru_cache_add+0x187/0x250 [ 20.971398] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 20.978460] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.984392] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 20.991458] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.997565] [] ? __fget_light+0x158/0x1e0 [ 21.003584] [] ? __fdget+0x18/0x20 [ 21.008737] [] ? sockfd_lookup_light+0x118/0x160 [ 21.015105] [] __sys_sendmsg+0xd6/0x190 [ 21.020693] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.026455] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 21.032477] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.038409] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.044949] [] do_fast_syscall_32+0x2f7/0x890 [ 21.051061] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.057690] [] entry_SYSENTER_compat+0x51/0x60 [ 21.065885] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 21.074553] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.079975] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 21.087560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.097320] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 21.105260] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 21.113201] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 21.121139] Call Trace: [ 21.123698] [] dump_stack+0xc1/0x128 [ 21.129036] [] check_preemption_disabled+0x1d4/0x200 [ 21.135753] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.142208] [] ipcomp_init_state+0x188/0x930 [ 21.148228] [] ? __lock_is_held+0xa1/0xf0 [ 21.154003] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.160024] [] __xfrm_init_state+0x3e7/0xb30 [ 21.166048] [] xfrm_init_state+0x1a/0x20 [ 21.171733] [] pfkey_add+0x1fb9/0x3470 [ 21.177263] [] ? pfkey_delete+0x360/0x360 [ 21.183040] [] ? pfkey_seq_stop+0x80/0x80 [ 21.188810] [] ? __skb_clone+0x24a/0x7d0 [ 21.194493] [] ? pfkey_delete+0x360/0x360 [ 21.200261] [] pfkey_process+0x61e/0x730 [ 21.205939] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.212744] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.219548] [] pfkey_sendmsg+0x3a9/0x760 [ 21.225229] [] ? pfkey_spdget+0x820/0x820 [ 21.231000] [] sock_sendmsg+0xca/0x110 [ 21.236512] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.242278] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.248827] [] ? __lru_cache_add+0x187/0x250 [ 21.254864] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.261943] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.267886] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.274950] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.281060] [] ? __fget_light+0x158/0x1e0 [ 21.286818] [] ? __fdget+0x18/0x20 [ 21.291972] [] ? sockfd_lookup_light+0x118/0x160 [ 21.298345] [] __sys_sendmsg+0xd6/0x190 [ 21.303932] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.309694] [] ? __do_page_fault+0x5ec/0xd40 [ 21.315717] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.321651] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.328191] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 21.334299] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.340929] [] entry_SYSENTER_compat+0x51/0x60 [ 21.349392] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 21.358065] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.363481] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 21.371063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.380381] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 21.388323] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 21.396263] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 21.404209] Call Trace: [ 21.406760] [] dump_stack+0xc1/0x128 [ 21.412094] [] check_preemption_disabled+0x1d4/0x200 [ 21.418808] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.425269] [] ipcomp_init_state+0x188/0x930 [ 21.431300] [] ? __lock_is_held+0xa1/0xf0 [ 21.437062] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.443085] [] __xfrm_init_state+0x3e7/0xb30 [ 21.449105] [] xfrm_init_state+0x1a/0x20 [ 21.454784] [] pfkey_add+0x1fb9/0x3470 [ 21.460290] [] ? pfkey_delete+0x360/0x360 [ 21.466055] [] ? pfkey_seq_stop+0x80/0x80 [ 21.471816] [] ? __skb_clone+0x24a/0x7d0 [ 21.477493] [] ? pfkey_delete+0x360/0x360 [ 21.483256] [] pfkey_process+0x61e/0x730 [ 21.488933] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.495745] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.502550] [] pfkey_sendmsg+0x3a9/0x760 [ 21.508313] [] ? pfkey_spdget+0x820/0x820 [ 21.514073] [] sock_sendmsg+0xca/0x110 [ 21.519573] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.525334] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.531879] [] ? __lru_cache_add+0x187/0x250 [ 21.537904] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.544983] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.550917] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.557979] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.564086] [] ? __fget_light+0x158/0x1e0 [ 21.569846] [] ? __fdget+0x18/0x20 [ 21.574997] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 21.581365] [] __sys_sendmsg+0xd6/0x190 [ 21.586950] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.592736] [] ? __do_page_fault+0x5ec/0xd40 [ 21.598757] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.604691] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.611233] [] do_fast_syscall_32+0x2f7/0x890 [ 21.617344] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.623984] [] entry_SYSENTER_compat+0x51/0x60 [ 21.632499] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 21.641178] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.646627] CPU: 1 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 21.654215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.663537] ffff8801cb6df668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 21.671490] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 21.679441] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 21.687382] Call Trace: [ 21.689943] [] dump_stack+0xc1/0x128 [ 21.695276] [] check_preemption_disabled+0x1d4/0x200 [ 21.701992] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.708446] [] ipcomp_init_state+0x188/0x930 [ 21.714469] [] ? __lock_is_held+0xa1/0xf0 [ 21.720230] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.726252] [] __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 [ 21.732271] [] xfrm_init_state+0x1a/0x20 [ 21.737951] [] pfkey_add+0x1fb9/0x3470 [ 21.743450] [] ? pfkey_delete+0x360/0x360 [ 21.749210] [] ? pfkey_seq_stop+0x80/0x80 [ 21.754994] [] ? __skb_clone+0x24a/0x7d0 [ 21.760679] [] ? pfkey_delete+0x360/0x360 [ 21.766466] [] pfkey_process+0x61e/0x730 [ 21.766475] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.766485] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.766493] [] pfkey_sendmsg+0x3a9/0x760 [ 21.766500] [] ? pfkey_spdget+0x820/0x820 [ 21.766509] [] sock_sendmsg+0xca/0x110 [ 21.766516] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.766523] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.766533] [] ? __lru_cache_add+0x187/0x250 [ 21.766542] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.766551] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.766558] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.766568] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.766576] [] ? __fget_light+0x158/0x1e0 [ 21.766581] [] ? __fdget+0x18/0x20 [ 21.766588] [] ? sockfd_lookup_light+0x118/0x160 [ 21.766595] [] __sys_sendmsg+0xd6/0x190 [ 21.766602] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.766610] [] ? __do_page_fault+0x5ec/0xd40 [ 21.766619] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.766626] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.766633] [] do_fast_syscall_32+0x2f7/0x890 [ 21.766640] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.766647] [] entry_SYSENTER_compat+0x51/0x60 [ 21.774731] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.774743] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.774749] CPU: 0 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 21.774753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.774763] ffff8801cb6df668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 21.774771] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 21.774779] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 21.774780] 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 [ 21.774790] [] dump_stack+0xc1/0x128 [ 21.774797] [] check_preemption_disabled+0x1d4/0x200 [ 21.774804] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.774811] [] ipcomp_init_state+0x188/0x930 [ 21.774819] [] ? __lock_is_held+0xa1/0xf0 [ 21.774827] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.774834] [] __xfrm_init_state+0x3e7/0xb30 [ 21.774841] [] 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 [ 21.774848] [] pfkey_add+0x1fb9/0x3470 [ 21.774855] [] ? pfkey_delete+0x360/0x360 [ 21.774861] [] ? pfkey_seq_stop+0x80/0x80 [ 21.774868] [] ? __skb_clone+0x24a/0x7d0 [ 21.774874] [] ? pfkey_delete+0x360/0x360 [ 21.774880] [] pfkey_process+0x61e/0x730 [ 21.774888] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.774894] [] ? 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 [ 21.774901] [] pfkey_sendmsg+0x3a9/0x760 [ 21.774907] [] ? pfkey_spdget+0x820/0x820 [ 21.774914] [] sock_sendmsg+0xca/0x110 [ 21.774920] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.774927] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.774934] [] ? __lru_cache_add+0x187/0x250 [ 21.774942] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.774950] [] ? _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 [ 21.774956] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.774965] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.774971] [] ? __fget_light+0x158/0x1e0 [ 21.774976] [] ? __fdget+0x18/0x20 [ 21.774982] [] ? sockfd_lookup_light+0x118/0x160 [ 21.774988] [] __sys_sendmsg+0xd6/0x190 [ 21.774995] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.775003] [] ? __do_page_fault+0x5ec/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 [ 21.775010] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.775016] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.775023] [] do_fast_syscall_32+0x2f7/0x890 [ 21.775029] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.775035] [] entry_SYSENTER_compat+0x51/0x60 [ 21.776506] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller320677/3307 [ 21.776514] 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 [ 21.776520] CPU: 0 PID: 3307 Comm: syzkaller320677 Not tainted 4.9.68-gfb66dc2 #3 [ 21.776523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.776533] ffff8801cb6df668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 21.776541] ffffffff83f42ec0 ffff8801cd87c800 0000000000000003 ffff8801cb6df6a8 [ 21.776549] ffffffff81df7854 ffff8801cb6df6c0 ffffffff83f42ec0 dffffc0000000000 [ 21.776550] Call Trace: [ 21.776558] [] dump_stack+0xc1/0x128 [ 21.776565] [] 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 [ 21.776571] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.776578] [] ipcomp_init_state+0x188/0x930 [ 21.776585] [] ? __lock_is_held+0xa1/0xf0 [ 21.776593] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.776600] [] __xfrm_init_state+0x3e7/0xb30 [ 21.776606] [] xfrm_init_state+0x1a/0x20 [ 21.776613] [] pfkey_add+0x1fb9/0x3470 [ 21.776620] [] ? 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 [ 21.776626] [] ? pfkey_seq_stop+0x80/0x80 [ 21.776632] [] ? __skb_clone+0x24a/0x7d0 [ 21.776639] [] ? pfkey_delete+0x360/0x360 [ 21.776645] [] pfkey_process+0x61e/0x730 [ 21.776652] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.776659] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.776666] [] pfkey_sendmsg+0x3a9/0x760 [ 21.776673] [] ? 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 [ 21.776679] [] sock_sendmsg+0xca/0x110 [ 21.776685] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.776692] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.776699] [] ? __lru_cache_add+0x187/0x250 [ 21.776707] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.776714] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.776721] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.776728] [] ? 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 [ 21.776734] [] ? __fget_light+0x158/0x1e0 [ 21.776739] [] ? __fdget+0x18/0x20 [ 21.776745] [] ? sockfd_lookup_light+0x118/0x160 [ 21.776752] [] __sys_sendmsg+0xd6/0x190 [ 21.776758] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.776765] [] ? __do_page_fault+0x5ec/0xd40 [ 21.776773] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.776780] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.776786] [] do_fast_syscall_32+0x2f7/0x890 [ 21.776791] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.776797] [] entry_SYSENTER_compat+0x51/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program