[....] Starting enhanced syslogd: rsyslogd[ 11.835836] audit: type=1400 audit(1513055318.721:4): avc: denied { syslog } for pid=3160 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 periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-4,10.128.15.208' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 30.973419] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 30.982222] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.987647] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 30.995406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.004731] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 31.012679] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 31.020651] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 31.028605] Call Trace: [ 31.031162] [] dump_stack+0xc1/0x128 [ 31.036492] [] check_preemption_disabled+0x1d4/0x200 [ 31.043208] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.049668] [] ipcomp_init_state+0x188/0x930 [ 31.055705] [] ? __lock_is_held+0xa1/0xf0 [ 31.061470] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.067495] [] __xfrm_init_state+0x3e7/0xb30 [ 31.073517] [] xfrm_init_state+0x1a/0x20 [ 31.079192] [] pfkey_add+0x1fb9/0x3470 [ 31.084694] [] ? pfkey_delete+0x360/0x360 [ 31.090457] [] ? pfkey_seq_stop+0x80/0x80 [ 31.096222] [] ? __skb_clone+0x24a/0x7d0 [ 31.101897] [] ? pfkey_delete+0x360/0x360 [ 31.107672] [] pfkey_process+0x61e/0x730 [ 31.113351] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.120157] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.126958] [] pfkey_sendmsg+0x3a9/0x760 [ 31.132634] [] ? pfkey_spdget+0x820/0x820 [ 31.138398] [] sock_sendmsg+0xca/0x110 [ 31.143897] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.149659] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.156206] [] ? __lru_cache_add+0x187/0x250 [ 31.162228] [] ? lru_cache_add+0xd9/0x1e0 [ 31.167997] [] ? handle_mm_fault+0xb12/0x2530 [ 31.174110] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.180045] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.186161] [] ? __lock_is_held+0xa1/0xf0 [ 31.191923] [] ? __pmd_alloc+0x410/0x410 [ 31.197599] [] ? __fget_light+0x158/0x1e0 [ 31.203371] [] ? __fdget+0x18/0x20 [ 31.208524] [] __sys_sendmsg+0xd6/0x190 [ 31.214119] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.219885] [] ? __do_page_fault+0x5ec/0xd40 [ 31.225907] [] ? __do_page_fault+0x3bd/0xd40 [ 31.231929] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.238734] [] SyS_sendmsg+0x2d/0x50 [ 31.244062] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 31.252038] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 31.260782] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.266204] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 31.274276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.283598] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 31.291556] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 31.299502] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 31.307458] Call Trace: [ 31.310015] [] dump_stack+0xc1/0x128 [ 31.315347] [] check_preemption_disabled+0x1d4/0x200 [ 31.322066] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.328534] [] ipcomp_init_state+0x188/0x930 [ 31.334561] [] ? __lock_is_held+0xa1/0xf0 [ 31.340325] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.346360] [] __xfrm_init_state+0x3e7/0xb30 [ 31.352385] [] xfrm_init_state+0x1a/0x20 [ 31.358064] [] pfkey_add+0x1fb9/0x3470 [ 31.363569] [] ? pfkey_delete+0x360/0x360 [ 31.369333] [] ? pfkey_seq_stop+0x80/0x80 [ 31.375102] [] ? __skb_clone+0x24a/0x7d0 [ 31.380778] [] ? pfkey_delete+0x360/0x360 [ 31.386540] [] pfkey_process+0x61e/0x730 [ 31.392216] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.399019] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.405826] [] pfkey_sendmsg+0x3a9/0x760 [ 31.411499] [] ? pfkey_spdget+0x820/0x820 [ 31.417265] [] sock_sendmsg+0xca/0x110 [ 31.422766] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.428537] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.435099] [] ? __lru_cache_add+0x187/0x250 [ 31.441122] [] ? lru_cache_add+0xd9/0x1e0 [ 31.446890] [] ? handle_mm_fault+0xb12/0x2530 [ 31.453006] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.458940] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.465048] [] ? __lock_is_held+0xa1/0xf0 [ 31.470812] [] ? __pmd_alloc+0x410/0x410 [ 31.476489] [] ? __fget_light+0x158/0x1e0 [ 31.482252] [] ? __fdget+0x18/0x20 [ 31.487407] [] __sys_sendmsg+0xd6/0x190 [ 31.492996] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.498760] [] ? __do_page_fault+0x5ec/0xd40 [ 31.504877] [] ? __do_page_fault+0x3bd/0xd40 [ 31.510898] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.517706] [] SyS_sendmsg+0x2d/0x50 executing program [ 31.523036] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 31.530977] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 31.539691] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.545114] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 31.552873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.562198] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 31.570149] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 31.578093] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 31.586042] Call Trace: [ 31.588597] [] dump_stack+0xc1/0x128 [ 31.593928] [] check_preemption_disabled+0x1d4/0x200 [ 31.600646] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.607106] [] ipcomp_init_state+0x188/0x930 [ 31.613131] [] ? __lock_is_held+0xa1/0xf0 [ 31.618905] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.624931] [] __xfrm_init_state+0x3e7/0xb30 [ 31.630956] [] xfrm_init_state+0x1a/0x20 [ 31.636635] [] pfkey_add+0x1fb9/0x3470 [ 31.642141] [] ? pfkey_delete+0x360/0x360 [ 31.647918] [] ? pfkey_seq_stop+0x80/0x80 [ 31.653696] [] ? __skb_clone+0x24a/0x7d0 [ 31.659372] [] ? pfkey_delete+0x360/0x360 [ 31.665138] [] pfkey_process+0x61e/0x730 [ 31.670816] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.677624] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.684428] [] pfkey_sendmsg+0x3a9/0x760 [ 31.690103] [] ? pfkey_spdget+0x820/0x820 [ 31.695870] [] sock_sendmsg+0xca/0x110 [ 31.701372] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.707134] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.713682] [] ? __lru_cache_add+0x187/0x250 [ 31.719703] [] ? lru_cache_add+0xd9/0x1e0 [ 31.725471] [] ? handle_mm_fault+0xb12/0x2530 [ 31.731583] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.737521] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.743632] [] ? __lock_is_held+0xa1/0xf0 [ 31.749395] [] ? __pmd_alloc+0x410/0x410 [ 31.755076] [] ? __fget_light+0x158/0x1e0 [ 31.760855] [] ? __fdget+0x18/0x20 [ 31.766014] [] __sys_sendmsg+0xd6/0x190 executing program [ 31.771604] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.777371] [] ? __do_page_fault+0x5ec/0xd40 [ 31.783481] [] ? __do_page_fault+0x3bd/0xd40 [ 31.789506] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.796309] [] SyS_sendmsg+0x2d/0x50 [ 31.801639] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 31.809537] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 31.818188] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.823665] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 31.831429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.840751] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 31.848708] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 31.856658] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 31.864606] Call Trace: [ 31.867165] [] dump_stack+0xc1/0x128 [ 31.872494] [] check_preemption_disabled+0x1d4/0x200 [ 31.879211] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.885675] [] ipcomp_init_state+0x188/0x930 [ 31.891703] [] ? __lock_is_held+0xa1/0xf0 [ 31.897469] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.903495] [] __xfrm_init_state+0x3e7/0xb30 [ 31.909521] [] xfrm_init_state+0x1a/0x20 [ 31.915202] [] pfkey_add+0x1fb9/0x3470 [ 31.920702] [] ? pfkey_delete+0x360/0x360 [ 31.926466] [] ? pfkey_seq_stop+0x80/0x80 [ 31.932231] [] ? __skb_clone+0x24a/0x7d0 [ 31.937909] [] ? pfkey_delete+0x360/0x360 [ 31.943670] [] pfkey_process+0x61e/0x730 [ 31.949344] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.956169] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.962975] [] pfkey_sendmsg+0x3a9/0x760 [ 31.968651] [] ? pfkey_spdget+0x820/0x820 [ 31.974414] [] sock_sendmsg+0xca/0x110 [ 31.979913] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.985675] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.992226] [] ? __lru_cache_add+0x187/0x250 [ 31.998248] [] ? lru_cache_add+0xd9/0x1e0 [ 32.004015] [] ? handle_mm_fault+0xb12/0x2530 [ 32.010127] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.016077] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.022194] [] ? __lock_is_held+0xa1/0xf0 [ 32.027953] [] ? __pmd_alloc+0x410/0x410 [ 32.033628] [] ? __fget_light+0x158/0x1e0 [ 32.039387] [] ? __fdget+0x18/0x20 [ 32.044542] [] __sys_sendmsg+0xd6/0x190 [ 32.050129] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.055898] [] ? __do_page_fault+0x5ec/0xd40 [ 32.061921] [] ? __do_page_fault+0x3bd/0xd40 [ 32.067943] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 32.074747] [] SyS_sendmsg+0x2d/0x50 [ 32.080079] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.088113] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.096784] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.102222] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 32.109981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.119305] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.127256] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.135205] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 32.143159] Call Trace: [ 32.145719] [] dump_stack+0xc1/0x128 [ 32.151049] [] check_preemption_disabled+0x1d4/0x200 [ 32.157770] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.164231] [] ipcomp_init_state+0x188/0x930 [ 32.170258] [] ? __lock_is_held+0xa1/0xf0 [ 32.176023] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.182047] [] __xfrm_init_state+0x3e7/0xb30 [ 32.188075] [] xfrm_init_state+0x1a/0x20 [ 32.193755] [] pfkey_add+0x1fb9/0x3470 [ 32.199259] [] ? pfkey_delete+0x360/0x360 [ 32.205021] [] ? pfkey_seq_stop+0x80/0x80 [ 32.210786] [] ? __skb_clone+0x24a/0x7d0 [ 32.216471] [] ? pfkey_delete+0x360/0x360 [ 32.222235] [] pfkey_process+0x61e/0x730 [ 32.227912] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.234720] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.241522] [] pfkey_sendmsg+0x3a9/0x760 [ 32.247198] [] ? pfkey_spdget+0x820/0x820 [ 32.252961] [] sock_sendmsg+0xca/0x110 [ 32.258461] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.264222] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.270767] [] ? __lru_cache_add+0x187/0x250 [ 32.276791] [] ? lru_cache_add+0xd9/0x1e0 [ 32.282555] [] ? handle_mm_fault+0xb12/0x2530 [ 32.288669] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.294606] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.300714] [] ? __lock_is_held+0xa1/0xf0 [ 32.306477] [] ? __pmd_alloc+0x410/0x410 [ 32.312166] [] ? __fget_light+0x158/0x1e0 [ 32.317925] [] ? __fdget+0x18/0x20 [ 32.323079] [] __sys_sendmsg+0xd6/0x190 executing program [ 32.328665] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.334430] [] ? __do_page_fault+0x5ec/0xd40 [ 32.340454] [] ? __do_page_fault+0x3bd/0xd40 [ 32.346478] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.353280] [] SyS_sendmsg+0x2d/0x50 [ 32.358608] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.366465] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.375141] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.380575] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 32.388333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.397654] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.405608] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.413560] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 32.421510] Call Trace: [ 32.424067] [] dump_stack+0xc1/0x128 [ 32.429396] [] check_preemption_disabled+0x1d4/0x200 [ 32.436113] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.442573] [] ipcomp_init_state+0x188/0x930 [ 32.448597] [] ? __lock_is_held+0xa1/0xf0 [ 32.454360] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.460385] [] __xfrm_init_state+0x3e7/0xb30 [ 32.466405] [] xfrm_init_state+0x1a/0x20 [ 32.472081] [] pfkey_add+0x1fb9/0x3470 [ 32.477582] [] ? pfkey_delete+0x360/0x360 [ 32.483356] [] ? pfkey_seq_stop+0x80/0x80 [ 32.489119] [] ? __skb_clone+0x24a/0x7d0 [ 32.494796] [] ? pfkey_delete+0x360/0x360 [ 32.500558] [] pfkey_process+0x61e/0x730 [ 32.506244] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.513051] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.519853] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program executing program executing program executing program executing program executing program [ 32.525528] [] ? pfkey_spdget+0x820/0x820 [ 32.531291] [] sock_sendmsg+0xca/0x110 [ 32.536793] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.542553] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.549098] [] ? __lru_cache_add+0x187/0x250 [ 32.555122] [] ? lru_cache_add+0xd9/0x1e0 [ 32.560886] [] ? handle_mm_fault+0xb12/0x2530 [ 32.567000] [] ? _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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.572951] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.572957] [] ? __lock_is_held+0xa1/0xf0 [ 32.572962] [] ? __pmd_alloc+0x410/0x410 [ 32.572967] [] ? __fget_light+0x158/0x1e0 [ 32.572970] [] ? __fdget+0x18/0x20 [ 32.572975] [] __sys_sendmsg+0xd6/0x190 [ 32.572981] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.572989] [] ? __do_page_fault+0x5ec/0xd40 [ 32.572993] [] ? __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 executing program executing program executing program executing program executing program executing program [ 32.572997] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.573001] [] SyS_sendmsg+0x2d/0x50 [ 32.573007] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.576889] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.576898] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.576904] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 32.576906] 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 [ 32.576913] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.576918] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.576922] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 32.576923] Call Trace: [ 32.576930] [] dump_stack+0xc1/0x128 [ 32.576934] [] check_preemption_disabled+0x1d4/0x200 [ 32.576939] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.576945] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.576951] [] ? __lock_is_held+0xa1/0xf0 [ 32.576959] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.576965] [] __xfrm_init_state+0x3e7/0xb30 [ 32.576968] [] xfrm_init_state+0x1a/0x20 [ 32.576975] [] pfkey_add+0x1fb9/0x3470 [ 32.576979] [] ? pfkey_delete+0x360/0x360 [ 32.576983] [] ? pfkey_seq_stop+0x80/0x80 [ 32.576988] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.576992] [] ? pfkey_delete+0x360/0x360 [ 32.576996] [] pfkey_process+0x61e/0x730 [ 32.577000] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.577004] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.577009] [] pfkey_sendmsg+0x3a9/0x760 [ 32.577012] [] ? pfkey_spdget+0x820/0x820 [ 32.577018] [] sock_sendmsg+0xca/0x110 [ 32.577021] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.577025] [] ? 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 [ 32.577032] [] ? __lru_cache_add+0x187/0x250 [ 32.577036] [] ? lru_cache_add+0xd9/0x1e0 [ 32.577049] [] ? handle_mm_fault+0xb12/0x2530 [ 32.577055] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.577059] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.577063] [] ? __lock_is_held+0xa1/0xf0 [ 32.577066] [] ? __pmd_alloc+0x410/0x410 [ 32.577070] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.577073] [] ? __fdget+0x18/0x20 [ 32.577077] [] __sys_sendmsg+0xd6/0x190 [ 32.577081] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.577088] [] ? __do_page_fault+0x5ec/0xd40 [ 32.577091] [] ? __do_page_fault+0x3bd/0xd40 [ 32.577096] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.577100] [] SyS_sendmsg+0x2d/0x50 [ 32.577104] [] 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 [ 32.578216] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.578222] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.578226] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 32.578228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.578234] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.578239] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.578243] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 32.578244] 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 executing program executing program executing program [ 32.578249] [] dump_stack+0xc1/0x128 [ 32.578253] [] check_preemption_disabled+0x1d4/0x200 [ 32.578257] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.578261] [] ipcomp_init_state+0x188/0x930 [ 32.578265] [] ? __lock_is_held+0xa1/0xf0 [ 32.578270] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.578275] [] __xfrm_init_state+0x3e7/0xb30 [ 32.578278] [] 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 [ 32.578283] [] pfkey_add+0x1fb9/0x3470 [ 32.578287] [] ? pfkey_delete+0x360/0x360 [ 32.578291] [] ? pfkey_seq_stop+0x80/0x80 [ 32.578295] [] ? __skb_clone+0x24a/0x7d0 [ 32.578299] [] ? pfkey_delete+0x360/0x360 [ 32.578302] [] pfkey_process+0x61e/0x730 [ 32.578306] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.578311] [] ? 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 [ 32.578315] [] pfkey_sendmsg+0x3a9/0x760 [ 32.578319] [] ? pfkey_spdget+0x820/0x820 [ 32.578323] [] sock_sendmsg+0xca/0x110 [ 32.578326] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.578330] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.578335] [] ? __lru_cache_add+0x187/0x250 [ 32.578339] [] ? lru_cache_add+0xd9/0x1e0 [ 32.578343] [] ? handle_mm_fault+0xb12/0x2530 [ 32.578348] [] ? _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 [ 32.578351] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.578355] [] ? __lock_is_held+0xa1/0xf0 [ 32.578359] [] ? __pmd_alloc+0x410/0x410 [ 32.578362] [] ? __fget_light+0x158/0x1e0 [ 32.578365] [] ? __fdget+0x18/0x20 [ 32.578369] [] __sys_sendmsg+0xd6/0x190 [ 32.578372] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.578376] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.578380] [] ? __do_page_fault+0x3bd/0xd40 [ 32.578384] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.578388] [] SyS_sendmsg+0x2d/0x50 [ 32.578392] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 32.579078] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.579083] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.579086] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.579088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.579094] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.579098] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.579103] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 [ 32.579103] Call Trace: [ 32.579108] [] dump_stack+0xc1/0x128 [ 32.579112] [] check_preemption_disabled+0x1d4/0x200 [ 32.579116] [] __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 [ 32.579119] [] ipcomp_init_state+0x188/0x930 [ 32.579124] [] ? __lock_is_held+0xa1/0xf0 [ 32.579128] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.579132] [] __xfrm_init_state+0x3e7/0xb30 [ 32.579135] [] xfrm_init_state+0x1a/0x20 [ 32.579140] [] pfkey_add+0x1fb9/0x3470 [ 32.579144] [] ? pfkey_delete+0x360/0x360 [ 32.579147] [] ? pfkey_seq_stop+0x80/0x80 [ 32.579151] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.579154] [] ? pfkey_delete+0x360/0x360 [ 32.579158] [] pfkey_process+0x61e/0x730 [ 32.579162] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.579167] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.579171] [] pfkey_sendmsg+0x3a9/0x760 [ 32.579174] [] ? pfkey_spdget+0x820/0x820 [ 32.579178] [] sock_sendmsg+0xca/0x110 [ 32.579182] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.579185] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.579190] [] ? __lru_cache_add+0x187/0x250 [ 32.579193] [] ? lru_cache_add+0xd9/0x1e0 [ 32.579197] [] ? handle_mm_fault+0xb12/0x2530 [ 32.579202] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.579206] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.579209] [] ? __lock_is_held+0xa1/0xf0 [ 32.579213] [] ? __pmd_alloc+0x410/0x410 [ 32.579216] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.579219] [] ? __fdget+0x18/0x20 [ 32.579223] [] __sys_sendmsg+0xd6/0x190 [ 32.579227] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.579231] [] ? __do_page_fault+0x5ec/0xd40 [ 32.579235] [] ? __do_page_fault+0x3bd/0xd40 [ 32.579239] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.579243] [] SyS_sendmsg+0x2d/0x50 [ 32.579247] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program executing program executing program [ 32.579849] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller366383/3320 [ 32.579853] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.579857] CPU: 1 PID: 3320 Comm: syzkaller366383 Not tainted 4.9.68-gfb66dc2 #107 [ 32.579858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.579864] ffff8801c20376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 32.579869] ffffffff83f42ec0 ffff8801d096c800 0000000000000003 ffff8801c2037718 [ 32.579873] ffffffff81df7854 ffff8801c2037730 ffffffff83f42ec0 dffffc0000000000 executing program [ 32.579874] Call Trace: [ 32.579878] [] dump_stack+0xc1/0x128 [ 32.579882] [] check_preemption_disabled+0x1d4/0x200 [ 32.579886] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.579890] [] ipcomp_init_state+0x188/0x930 [ 32.579894] [] ? __lock_is_held+0xa1/0xf0 [ 32.579898] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.579902] [] __xfrm_init_state+0x3e7/0xb30 [ 32.579906] [] xfrm_init_state+0x1a/0x20 executing program executing program [ 32.579910] [] pfkey_add+0x1fb9/0x3470 [ 32.579914] [] ? pfkey_delete+0x360/0x360 [ 32.579918] [] ? pfkey_seq_stop+0x80/0x80 [ 32.579921] [] ? __skb_clone+0x24a/0x7d0 [ 32.579925] [] ? pfkey_delete+0x360/0x360 [ 32.579928] [] pfkey_process+0x61e/0x730 [ 32.579933] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.579937] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 32.579941] [] pfkey_sendmsg+0x3a9/0x760 [ 32.579944] [] ? pfkey_spdget+0x820/0x820 [ 32.579948] [] sock_sendmsg+0xca/0x110 [ 32.579951] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.579955] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.579960] [] ? __lru_cache_add+0x187/0x250 [ 32.579963] [] ? lru_cache_add+0xd9/0x1e0 [ 32.579967] [] ? handle_mm_fault+0xb12/0x2530 executing program [ 32.579972] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.579975] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.579979] [] ? __lock_is_held+0xa1/0xf0 [ 32.579982] [] ? __pmd_alloc+0x410/0x410 [ 32.579985] [] ? __fget_light+0x158/0x1e0 [ 32.579988] [] ? __fdget+0x18/0x20 [ 32.579992] [] __sys_sendmsg+0xd6/0x190 [ 32.579996] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.580000] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program [ 32.580003] [] ? __do_page_fault+0x3bd/0xd40 [ 32.580007] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.580011] [] SyS_sendmsg+0x2d/0x50 [ 32.580015] [] 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