[....] Starting enhanced syslogd: rsyslogd[ 12.789814] audit: type=1400 audit(1513025040.077:4): avc: denied { syslog } for pid=3184 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-0,10.128.0.36' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 63.374018] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.382714] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.388132] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.395887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.405206] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.413166] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.421130] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.429072] Call Trace: [ 63.431637] [] dump_stack+0xc1/0x128 [ 63.436976] [] check_preemption_disabled+0x1d4/0x200 [ 63.443703] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.450172] [] ipcomp_init_state+0x188/0x930 [ 63.456202] [] ? __lock_is_held+0xa1/0xf0 [ 63.461967] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.467995] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program [ 63.474018] [] xfrm_init_state+0x1a/0x20 [ 63.479698] [] pfkey_add+0x1fb9/0x3470 [ 63.485202] [] ? pfkey_delete+0x360/0x360 [ 63.490964] [] ? pfkey_seq_stop+0x80/0x80 [ 63.496726] [] ? __skb_clone+0x24a/0x7d0 [ 63.502398] [] ? pfkey_delete+0x360/0x360 [ 63.509460] [] pfkey_process+0x61e/0x730 [ 63.515138] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.521957] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.521962] [] pfkey_sendmsg+0x3a9/0x760 [ 63.521971] [] ? pfkey_spdget+0x820/0x820 [ 63.521976] [] sock_sendmsg+0xca/0x110 [ 63.521980] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.521984] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.521990] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.521994] [] ? lru_cache_add+0xd9/0x1e0 [ 63.522001] [] ? handle_mm_fault+0xb12/0x2530 [ 63.522007] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.522011] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.522015] [] ? __lock_is_held+0xa1/0xf0 [ 63.522019] [] ? __pmd_alloc+0x410/0x410 [ 63.522023] [] ? __fget_light+0x158/0x1e0 [ 63.522026] [] ? __fdget+0x18/0x20 [ 63.522031] [] __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 executing program executing program executing program [ 63.522034] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.522041] [] ? __do_page_fault+0x5ec/0xd40 [ 63.522045] [] ? __do_page_fault+0x3bd/0xd40 [ 63.522049] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.522053] [] SyS_sendmsg+0x2d/0x50 [ 63.522057] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.523305] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.523331] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.523336] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.523338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.523346] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.523350] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.523355] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.523356] Call Trace: [ 63.523362] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.523366] [] check_preemption_disabled+0x1d4/0x200 [ 63.523369] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.523374] [] ipcomp_init_state+0x188/0x930 [ 63.523379] [] ? __lock_is_held+0xa1/0xf0 [ 63.523385] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.523390] [] __xfrm_init_state+0x3e7/0xb30 [ 63.523394] [] xfrm_init_state+0x1a/0x20 [ 63.523399] [] pfkey_add+0x1fb9/0x3470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.523403] [] ? pfkey_delete+0x360/0x360 [ 63.523406] [] ? pfkey_seq_stop+0x80/0x80 [ 63.523411] [] ? __skb_clone+0x24a/0x7d0 [ 63.523414] [] ? pfkey_delete+0x360/0x360 [ 63.523418] [] pfkey_process+0x61e/0x730 [ 63.523422] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.523426] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.523430] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.523434] [] ? pfkey_spdget+0x820/0x820 [ 63.523438] [] sock_sendmsg+0xca/0x110 [ 63.523442] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.523446] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.523451] [] ? __lru_cache_add+0x187/0x250 [ 63.523454] [] ? lru_cache_add+0xd9/0x1e0 [ 63.523460] [] ? handle_mm_fault+0xb12/0x2530 [ 63.523465] [] ? _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 [ 63.523469] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.523472] [] ? __lock_is_held+0xa1/0xf0 [ 63.523476] [] ? __pmd_alloc+0x410/0x410 [ 63.523480] [] ? __fget_light+0x158/0x1e0 [ 63.523482] [] ? __fdget+0x18/0x20 [ 63.523486] [] __sys_sendmsg+0xd6/0x190 [ 63.523490] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.523494] [] ? __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 executing program [ 63.523498] [] ? __do_page_fault+0x3bd/0xd40 [ 63.523502] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.523505] [] SyS_sendmsg+0x2d/0x50 [ 63.523510] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.524585] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.524591] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.524595] CPU: 1 PID: 3361 Comm: syzkaller287819 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 executing program executing program executing program executing program executing program executing program [ 63.524597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.524603] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.524608] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.524612] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.524613] Call Trace: [ 63.524618] [] dump_stack+0xc1/0x128 [ 63.524622] [] check_preemption_disabled+0x1d4/0x200 [ 63.524626] [] __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 [ 63.524630] [] ipcomp_init_state+0x188/0x930 [ 63.524634] [] ? __lock_is_held+0xa1/0xf0 [ 63.524640] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.524644] [] __xfrm_init_state+0x3e7/0xb30 [ 63.524648] [] xfrm_init_state+0x1a/0x20 [ 63.524653] [] pfkey_add+0x1fb9/0x3470 [ 63.524657] [] ? pfkey_delete+0x360/0x360 [ 63.524660] [] ? pfkey_seq_stop+0x80/0x80 [ 63.524664] [] ? __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 [ 63.524668] [] ? pfkey_delete+0x360/0x360 [ 63.524672] [] pfkey_process+0x61e/0x730 [ 63.524676] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.524680] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.524684] [] pfkey_sendmsg+0x3a9/0x760 [ 63.524688] [] ? pfkey_spdget+0x820/0x820 [ 63.524692] [] sock_sendmsg+0xca/0x110 [ 63.524695] [] ___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 executing program executing program executing program executing program executing program [ 63.524699] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.524704] [] ? __lru_cache_add+0x187/0x250 [ 63.524707] [] ? lru_cache_add+0xd9/0x1e0 [ 63.524719] [] ? handle_mm_fault+0xb12/0x2530 [ 63.524724] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.524727] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.524731] [] ? __lock_is_held+0xa1/0xf0 [ 63.524735] [] ? __pmd_alloc+0x410/0x410 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.524738] [] ? __fget_light+0x158/0x1e0 [ 63.524741] [] ? __fdget+0x18/0x20 [ 63.524745] [] __sys_sendmsg+0xd6/0x190 [ 63.524748] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.524753] [] ? __do_page_fault+0x5ec/0xd40 [ 63.524757] [] ? __do_page_fault+0x3bd/0xd40 [ 63.524761] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.524765] [] SyS_sendmsg+0x2d/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 [ 63.524769] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.525286] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.525291] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.525294] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.525296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.525302] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.525306] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.525311] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.525311] Call Trace: [ 63.525315] [] dump_stack+0xc1/0x128 [ 63.525319] [] check_preemption_disabled+0x1d4/0x200 [ 63.525323] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.525327] [] ipcomp_init_state+0x188/0x930 [ 63.525330] [] ? __lock_is_held+0xa1/0xf0 [ 63.525335] [] ipcomp4_init_state+0xb0/0x7d0 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 [ 63.525339] [] __xfrm_init_state+0x3e7/0xb30 [ 63.525343] [] xfrm_init_state+0x1a/0x20 [ 63.525347] [] pfkey_add+0x1fb9/0x3470 [ 63.525351] [] ? pfkey_delete+0x360/0x360 [ 63.525355] [] ? pfkey_seq_stop+0x80/0x80 [ 63.525358] [] ? __skb_clone+0x24a/0x7d0 [ 63.525362] [] ? pfkey_delete+0x360/0x360 [ 63.525366] [] pfkey_process+0x61e/0x730 [ 63.525370] [] ? 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 [ 63.525374] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.525378] [] pfkey_sendmsg+0x3a9/0x760 [ 63.525382] [] ? pfkey_spdget+0x820/0x820 [ 63.525385] [] sock_sendmsg+0xca/0x110 [ 63.525389] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.525393] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.525397] [] ? __lru_cache_add+0x187/0x250 [ 63.525400] [] ? lru_cache_add+0xd9/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.525405] [] ? handle_mm_fault+0xb12/0x2530 [ 63.525409] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.525412] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.525416] [] ? __lock_is_held+0xa1/0xf0 [ 63.525420] [] ? __pmd_alloc+0x410/0x410 [ 63.525423] [] ? __fget_light+0x158/0x1e0 [ 63.525426] [] ? __fdget+0x18/0x20 [ 63.525429] [] __sys_sendmsg+0xd6/0x190 executing program [ 63.525433] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.525437] [] ? __do_page_fault+0x5ec/0xd40 [ 63.525440] [] ? __do_page_fault+0x3bd/0xd40 [ 63.525445] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.525448] [] SyS_sendmsg+0x2d/0x50 [ 63.525452] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.526012] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.526017] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 63.526020] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.526022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.526028] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.526032] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.526037] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.526038] Call Trace: [ 63.526042] [] dump_stack+0xc1/0x128 executing program executing program [ 63.526046] [] check_preemption_disabled+0x1d4/0x200 [ 63.526049] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.526053] [] ipcomp_init_state+0x188/0x930 [ 63.526057] [] ? __lock_is_held+0xa1/0xf0 [ 63.526061] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.526066] [] __xfrm_init_state+0x3e7/0xb30 [ 63.526069] [] xfrm_init_state+0x1a/0x20 [ 63.526073] [] pfkey_add+0x1fb9/0x3470 [ 63.526077] [] ? pfkey_delete+0x360/0x360 executing program [ 63.526081] [] ? pfkey_seq_stop+0x80/0x80 [ 63.526085] [] ? __skb_clone+0x24a/0x7d0 [ 63.526088] [] ? pfkey_delete+0x360/0x360 [ 63.526092] [] pfkey_process+0x61e/0x730 [ 63.526096] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.526100] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.526104] [] pfkey_sendmsg+0x3a9/0x760 [ 63.526108] [] ? pfkey_spdget+0x820/0x820 executing program [ 63.526112] [] sock_sendmsg+0xca/0x110 [ 63.526116] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.526119] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.526124] [] ? __lru_cache_add+0x187/0x250 [ 63.526127] [] ? lru_cache_add+0xd9/0x1e0 [ 63.526132] [] ? handle_mm_fault+0xb12/0x2530 [ 63.526135] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.526139] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.526143] [] ? __lock_is_held+0xa1/0xf0 executing program [ 63.526146] [] ? __pmd_alloc+0x410/0x410 [ 63.526150] [] ? __fget_light+0x158/0x1e0 [ 63.526152] [] ? __fdget+0x18/0x20 [ 63.526156] [] __sys_sendmsg+0xd6/0x190 [ 63.526160] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.526164] [] ? __do_page_fault+0x5ec/0xd40 [ 63.526168] [] ? __do_page_fault+0x3bd/0xd40 [ 63.526172] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program [ 63.526176] [] SyS_sendmsg+0x2d/0x50 [ 63.526180] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.526632] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.526636] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.526640] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.526641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 63.526647] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.526651] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.526656] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.526657] Call Trace: [ 63.526660] [] dump_stack+0xc1/0x128 [ 63.526664] [] check_preemption_disabled+0x1d4/0x200 [ 63.526668] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.526671] [] ipcomp_init_state+0x188/0x930 [ 63.526675] [] ? __lock_is_held+0xa1/0xf0 executing program [ 63.526679] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.526683] [] __xfrm_init_state+0x3e7/0xb30 [ 63.526687] [] xfrm_init_state+0x1a/0x20 [ 63.526691] [] pfkey_add+0x1fb9/0x3470 [ 63.526695] [] ? pfkey_delete+0x360/0x360 [ 63.526699] [] ? pfkey_seq_stop+0x80/0x80 [ 63.526702] [] ? __skb_clone+0x24a/0x7d0 [ 63.526706] [] ? pfkey_delete+0x360/0x360 executing program [ 63.526710] [] pfkey_process+0x61e/0x730 [ 63.526720] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.526724] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.526728] [] pfkey_sendmsg+0x3a9/0x760 [ 63.526732] [] ? pfkey_spdget+0x820/0x820 [ 63.526736] [] sock_sendmsg+0xca/0x110 [ 63.526740] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.526744] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program [ 63.526748] [] ? __lru_cache_add+0x187/0x250 [ 63.526752] [] ? lru_cache_add+0xd9/0x1e0 [ 63.526756] [] ? handle_mm_fault+0xb12/0x2530 [ 63.526760] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.526763] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.526767] [] ? __lock_is_held+0xa1/0xf0 [ 63.526771] [] ? __pmd_alloc+0x410/0x410 [ 63.526774] [] ? __fget_light+0x158/0x1e0 [ 63.526777] [] ? __fdget+0x18/0x20 executing program [ 63.526780] [] __sys_sendmsg+0xd6/0x190 [ 63.526784] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.526788] [] ? __do_page_fault+0x5ec/0xd40 [ 63.526792] [] ? __do_page_fault+0x3bd/0xd40 [ 63.526796] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.526800] [] SyS_sendmsg+0x2d/0x50 [ 63.526804] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.527241] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 executing program [ 63.527245] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.527249] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.527250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.527256] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.527260] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.527265] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.527266] Call Trace: executing program executing program [ 63.527269] [] dump_stack+0xc1/0x128 [ 63.527273] [] check_preemption_disabled+0x1d4/0x200 [ 63.527277] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.527280] [] ipcomp_init_state+0x188/0x930 [ 63.527284] [] ? __lock_is_held+0xa1/0xf0 [ 63.527288] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.527292] [] __xfrm_init_state+0x3e7/0xb30 [ 63.527296] [] xfrm_init_state+0x1a/0x20 executing program [ 63.527300] [] pfkey_add+0x1fb9/0x3470 [ 63.527304] [] ? pfkey_delete+0x360/0x360 [ 63.527307] [] ? pfkey_seq_stop+0x80/0x80 [ 63.527311] [] ? __skb_clone+0x24a/0x7d0 [ 63.527314] [] ? pfkey_delete+0x360/0x360 [ 63.527318] [] pfkey_process+0x61e/0x730 [ 63.527322] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.527326] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 63.527330] [] pfkey_sendmsg+0x3a9/0x760 [ 63.527334] [] ? pfkey_spdget+0x820/0x820 [ 63.527337] [] sock_sendmsg+0xca/0x110 [ 63.527341] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.527345] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.527349] [] ? __lru_cache_add+0x187/0x250 [ 63.527353] [] ? lru_cache_add+0xd9/0x1e0 [ 63.527356] [] ? handle_mm_fault+0xb12/0x2530 executing program [ 63.527360] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.527364] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.527367] [] ? __lock_is_held+0xa1/0xf0 [ 63.527371] [] ? __pmd_alloc+0x410/0x410 [ 63.527374] [] ? __fget_light+0x158/0x1e0 [ 63.527377] [] ? __fdget+0x18/0x20 [ 63.527381] [] __sys_sendmsg+0xd6/0x190 [ 63.527384] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.527388] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program [ 63.527392] [] ? __do_page_fault+0x3bd/0xd40 [ 63.527396] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.527400] [] SyS_sendmsg+0x2d/0x50 [ 63.527404] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.528191] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.528196] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.528200] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 executing program [ 63.528202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.528207] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.528212] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.528216] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.528217] Call Trace: [ 63.528221] [] dump_stack+0xc1/0x128 [ 63.528225] [] check_preemption_disabled+0x1d4/0x200 [ 63.528229] [] __this_cpu_preempt_check+0x1c/0x20 executing program [ 63.528233] [] ipcomp_init_state+0x188/0x930 [ 63.528237] [] ? __lock_is_held+0xa1/0xf0 [ 63.528241] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.528245] [] __xfrm_init_state+0x3e7/0xb30 [ 63.528249] [] xfrm_init_state+0x1a/0x20 [ 63.528253] [] pfkey_add+0x1fb9/0x3470 [ 63.528257] [] ? pfkey_delete+0x360/0x360 [ 63.528261] [] ? pfkey_seq_stop+0x80/0x80 executing program [ 63.528264] [] ? __skb_clone+0x24a/0x7d0 [ 63.528268] [] ? pfkey_delete+0x360/0x360 [ 63.528272] [] pfkey_process+0x61e/0x730 [ 63.528276] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.528280] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.528284] [] pfkey_sendmsg+0x3a9/0x760 [ 63.528287] [] ? pfkey_spdget+0x820/0x820 [ 63.528291] [] sock_sendmsg+0xca/0x110 [ 63.528295] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program [ 63.528298] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.528303] [] ? __lru_cache_add+0x187/0x250 [ 63.528306] [] ? lru_cache_add+0xd9/0x1e0 [ 63.528311] [] ? handle_mm_fault+0xb12/0x2530 [ 63.528315] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.528319] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.528322] [] ? __lock_is_held+0xa1/0xf0 [ 63.528326] [] ? __pmd_alloc+0x410/0x410 executing program [ 63.528329] [] ? __fget_light+0x158/0x1e0 [ 63.528332] [] ? __fdget+0x18/0x20 [ 63.528335] [] __sys_sendmsg+0xd6/0x190 [ 63.528339] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.528343] [] ? __do_page_fault+0x5ec/0xd40 [ 63.528346] [] ? __do_page_fault+0x3bd/0xd40 [ 63.528351] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.528354] [] SyS_sendmsg+0x2d/0x50 executing program [ 63.528358] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.528895] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.528899] caller is __this_cpu_preempt_check+0x1c/0x20 [ 63.528902] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.528904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.528910] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.528914] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 executing program [ 63.528919] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.528920] Call Trace: [ 63.528924] [] dump_stack+0xc1/0x128 [ 63.528928] [] check_preemption_disabled+0x1d4/0x200 [ 63.528932] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.528935] [] ipcomp_init_state+0x188/0x930 [ 63.528958] [] ? __lock_is_held+0xa1/0xf0 [ 63.528962] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program [ 63.528966] [] __xfrm_init_state+0x3e7/0xb30 [ 63.528970] [] xfrm_init_state+0x1a/0x20 [ 63.528975] [] pfkey_add+0x1fb9/0x3470 [ 63.528981] [] ? pfkey_delete+0x360/0x360 [ 63.528984] [] ? pfkey_seq_stop+0x80/0x80 [ 63.528988] [] ? __skb_clone+0x24a/0x7d0 [ 63.528992] [] ? pfkey_delete+0x360/0x360 [ 63.528995] [] pfkey_process+0x61e/0x730 [ 63.528999] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program [ 63.529003] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.529008] [] pfkey_sendmsg+0x3a9/0x760 [ 63.529011] [] ? pfkey_spdget+0x820/0x820 [ 63.529015] [] sock_sendmsg+0xca/0x110 [ 63.529018] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.529022] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.529026] [] ? __lru_cache_add+0x187/0x250 [ 63.529030] [] ? lru_cache_add+0xd9/0x1e0 executing program [ 63.529034] [] ? handle_mm_fault+0xb12/0x2530 [ 63.529038] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.529042] [] ? handle_mm_fault+0x6ee/0x2530 [ 63.529046] [] ? __lock_is_held+0xa1/0xf0 [ 63.529049] [] ? __pmd_alloc+0x410/0x410 [ 63.529052] [] ? __fget_light+0x158/0x1e0 [ 63.529055] [] ? __fdget+0x18/0x20 [ 63.529059] [] __sys_sendmsg+0xd6/0x190 [ 63.529063] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 63.529067] [] ? __do_page_fault+0x5ec/0xd40 [ 63.529070] [] ? __do_page_fault+0x3bd/0xd40 [ 63.529075] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.529078] [] SyS_sendmsg+0x2d/0x50 [ 63.529082] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 63.529551] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller287819/3361 [ 63.529557] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program [ 63.529562] CPU: 1 PID: 3361 Comm: syzkaller287819 Not tainted 4.9.68-gfb66dc2 #107 [ 63.529566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.529580] ffff8801cb32f6d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 63.529593] ffffffff83f42ec0 ffff8801c81f6000 0000000000000003 ffff8801cb32f718 [ 63.529606] ffffffff81df7854 ffff8801cb32f730 ffffffff83f42ec0 dffffc0000000000 [ 63.529609] Call Trace: [ 63.529614] [] dump_stack+0xc1/0x128 [ 63.529620] [] check_preemption_disabled+0x1d4/0x200 executing program [ 63.529626] [] __this_cpu_preempt_check+0x1c/0x20 [ 63.529631] [] ipcomp_init_state+0x188/0x930 [ 63.529636] [] ? __lock_is_held+0xa1/0xf0 [ 63.529642] [] ipcomp4_init_state+0xb0/0x7d0 [ 63.529648] [] __xfrm_init_state+0x3e7/0xb30 [ 63.529653] [] xfrm_init_state+0x1a/0x20 [ 63.529659] [] pfkey_add+0x1fb9/0x3470 [ 63.529664] [] ? pfkey_delete+0x360/0x360 executing program [ 63.529669] [] ? pfkey_seq_stop+0x80/0x80 [ 63.529675] [] ? __skb_clone+0x24a/0x7d0 [ 63.529683] [] ? pfkey_delete+0x360/0x360 [ 63.529689] [] pfkey_process+0x61e/0x730 [ 63.529695] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 63.529700] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 63.529706] [] pfkey_sendmsg+0x3a9/0x760 [ 63.529717] [] ? pfkey_spdget+0x820/0x820 executing program [ 63.529722] [] sock_sendmsg+0xca/0x110 [ 63.529727] [] ___sys_sendmsg+0x6d1/0x7e0 [ 63.529733] [] ? copy_msghdr_from_user+0x550/0x550 [ 63.529739] [] ? __lru_cache_add+0x187/0x250 [ 63.529744] [] ? lru_cache_add+0xd9/0x1e0 [ 63.529750] [] ? handle_mm_fault+0xb12/0x2530 [ 63.529756] [] ? _raw_spin_unlock+0x2c/0x50 [ 63.529761] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program [ 63.529766] [] ? __lock_is_held+0xa1/0xf0 [ 63.529772] [] ? __pmd_alloc+0x410/0x410 [ 63.529777] [] ? __fget_light+0x158/0x1e0 [ 63.529781] [] ? __fdget+0x18/0x20 [ 63.529787] [] __sys_sendmsg+0xd6/0x190 [ 63.529792] [] ? SyS_shutdown+0x1b0/0x1b0 [ 63.529798] [] ? __do_page_fault+0x5ec/0xd40 [ 63.529803] [] ? __do_page_fault+0x3bd/0xd40 [ 63.529809] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 63.529814] [] SyS_sendmsg+0x2d/0x50 [ 63.529818] [] 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