[....] Starting enhanced syslogd: rsyslogd[ 11.562500] audit: type=1400 audit(1516028547.186:4): avc: denied { syslog } for pid=3171 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 '10.128.0.24' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 32.309299] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 32.318183] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.323626] CPU: 0 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 32.331298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.340629] ffff8801c8067668 ffffffff81d93169 0000000000000000 ffffffff83c17e00 [ 32.348574] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 32.356540] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 32.364490] Call Trace: [ 32.367046] [] dump_stack+0xc1/0x128 [ 32.372375] [] check_preemption_disabled+0x1d4/0x200 [ 32.379100] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.385566] [] ipcomp_init_state+0x188/0x930 [ 32.391592] [] ? __lock_is_held+0xa1/0xf0 [ 32.397355] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.403374] [] __xfrm_init_state+0x3e7/0xb30 [ 32.409395] [] xfrm_init_state+0x1a/0x20 [ 32.415070] [] pfkey_add+0x1fb9/0x3470 [ 32.420569] [] ? pfkey_delete+0x360/0x360 [ 32.426327] [] ? pfkey_seq_stop+0x80/0x80 [ 32.432089] [] ? __skb_clone+0x24a/0x7d0 [ 32.437762] [] ? pfkey_delete+0x360/0x360 [ 32.443522] [] pfkey_process+0x61e/0x730 [ 32.449196] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.456003] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.462818] [] pfkey_sendmsg+0x3a9/0x760 [ 32.468497] [] ? pfkey_spdget+0x820/0x820 [ 32.474264] [] sock_sendmsg+0xca/0x110 [ 32.479768] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.485536] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.492689] [] ? __lru_cache_add+0x187/0x250 [ 32.498728] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.505792] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.511727] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.518791] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.524906] [] ? __fget_light+0x158/0x1e0 [ 32.530668] [] ? __fdget+0x18/0x20 [ 32.535821] [] ? sockfd_lookup_light+0x118/0x160 [ 32.542194] [] __sys_sendmsg+0xd6/0x190 [ 32.547788] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.553555] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 32.559598] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.565800] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.572872] [] do_fast_syscall_32+0x2f7/0x890 [ 32.578985] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.585619] [] entry_SYSENTER_compat+0x74/0x83 [ 32.595204] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 32.603984] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.609404] CPU: 0 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 32.617072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.626398] ffff8801c8067668 ffffffff81d93169 0000000000000000 ffffffff83c17e00 [ 32.634341] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 32.642289] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 32.650233] Call Trace: [ 32.652789] [] dump_stack+0xc1/0x128 [ 32.658119] [] check_preemption_disabled+0x1d4/0x200 [ 32.664843] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.671302] [] ipcomp_init_state+0x188/0x930 [ 32.677329] [] ? __lock_is_held+0xa1/0xf0 [ 32.683102] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.689143] [] __xfrm_init_state+0x3e7/0xb30 [ 32.695180] [] xfrm_init_state+0x1a/0x20 [ 32.700862] [] pfkey_add+0x1fb9/0x3470 [ 32.706363] [] ? pfkey_delete+0x360/0x360 [ 32.712123] [] ? pfkey_seq_stop+0x80/0x80 [ 32.717892] [] ? __skb_clone+0x24a/0x7d0 [ 32.723565] [] ? pfkey_delete+0x360/0x360 [ 32.729328] [] pfkey_process+0x61e/0x730 [ 32.735010] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.741819] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.748665] [] pfkey_sendmsg+0x3a9/0x760 [ 32.754345] [] ? pfkey_spdget+0x820/0x820 [ 32.760116] [] sock_sendmsg+0xca/0x110 [ 32.765634] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.772788] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.779342] [] ? __lru_cache_add+0x187/0x250 [ 32.785368] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.792444] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.798388] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.805461] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.811572] [] ? __fget_light+0x158/0x1e0 [ 32.817336] [] ? __fdget+0x18/0x20 [ 32.822494] [] ? sockfd_lookup_light+0x118/0x160 [ 32.828873] [] __sys_sendmsg+0xd6/0x190 [ 32.834462] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.840239] [] ? __do_page_fault+0x5ec/0xd40 [ 32.846266] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.852205] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 32.858766] [] do_fast_syscall_32+0x2f7/0x890 [ 32.864879] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.871774] [] entry_SYSENTER_compat+0x74/0x83 [ 32.880630] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 32.889339] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.894794] CPU: 0 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 32.902465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.911790] ffff8801c8067668 ffffffff81d93169 0000000000000000 ffffffff83c17e00 [ 32.919745] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 32.927707] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 32.935689] Call Trace: [ 32.938247] [] dump_stack+0xc1/0x128 [ 32.943579] [] check_preemption_disabled+0x1d4/0x200 [ 32.950297] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.956756] [] ipcomp_init_state+0x188/0x930 [ 32.962778] [] ? __lock_is_held+0xa1/0xf0 [ 32.968540] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.974560] [] __xfrm_init_state+0x3e7/0xb30 [ 32.980587] [] xfrm_init_state+0x1a/0x20 [ 32.986266] [] pfkey_add+0x1fb9/0x3470 [ 32.991773] [] ? pfkey_delete+0x360/0x360 [ 32.997548] [] ? pfkey_seq_stop+0x80/0x80 [ 33.003312] [] ? __skb_clone+0x24a/0x7d0 [ 33.008986] [] ? pfkey_delete+0x360/0x360 [ 33.014749] [] pfkey_process+0x61e/0x730 [ 33.020429] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.027241] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.034481] [] pfkey_sendmsg+0x3a9/0x760 [ 33.040164] [] ? pfkey_spdget+0x820/0x820 [ 33.045927] [] sock_sendmsg+0xca/0x110 [ 33.051437] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.057205] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.064277] [] ? __lru_cache_add+0x187/0x250 [ 33.070301] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.077372] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.083313] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.090392] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.096513] [] ? __fget_light+0x158/0x1e0 [ 33.102277] [] ? __fdget+0x18/0x20 executing program [ 33.107447] [] ? sockfd_lookup_light+0x118/0x160 [ 33.113821] [] __sys_sendmsg+0xd6/0x190 [ 33.119410] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.125183] [] ? __do_page_fault+0x5ec/0xd40 [ 33.131209] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.137145] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.143689] [] do_fast_syscall_32+0x2f7/0x890 [ 33.149799] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.156436] [] entry_SYSENTER_compat+0x74/0x83 [ 33.167525] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 33.176220] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.181644] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 33.189319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.198641] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 33.206765] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 33.214725] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 33.222690] Call Trace: [ 33.225262] [] dump_stack+0xc1/0x128 [ 33.230689] [] check_preemption_disabled+0x1d4/0x200 [ 33.237419] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.243879] [] ipcomp_init_state+0x188/0x930 [ 33.249908] [] ? __lock_is_held+0xa1/0xf0 [ 33.255674] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.261697] [] __xfrm_init_state+0x3e7/0xb30 [ 33.267727] [] xfrm_init_state+0x1a/0x20 [ 33.273404] [] pfkey_add+0x1fb9/0x3470 [ 33.278916] [] ? pfkey_delete+0x360/0x360 [ 33.284677] [] ? pfkey_seq_stop+0x80/0x80 [ 33.290440] [] ? __skb_clone+0x24a/0x7d0 [ 33.296120] [] ? pfkey_delete+0x360/0x360 [ 33.301882] [] pfkey_process+0x61e/0x730 [ 33.307559] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.314363] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.321176] [] pfkey_sendmsg+0x3a9/0x760 [ 33.326856] [] ? pfkey_spdget+0x820/0x820 [ 33.332620] [] sock_sendmsg+0xca/0x110 [ 33.338129] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.343901] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.350451] [] ? __lru_cache_add+0x187/0x250 [ 33.356476] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.363542] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.369475] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.376539] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.382648] [] ? __fget_light+0x158/0x1e0 [ 33.388408] [] ? __fdget+0x18/0x20 [ 33.393561] [] ? sockfd_lookup_light+0x118/0x160 [ 33.399931] [] __sys_sendmsg+0xd6/0x190 [ 33.405517] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.411279] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 33.417301] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.423236] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.429783] [] do_fast_syscall_32+0x2f7/0x890 [ 33.435891] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.442531] [] entry_SYSENTER_compat+0x74/0x83 [ 33.451203] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 33.459886] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.465361] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 33.473044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.482376] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 33.490335] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 33.498275] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 33.506222] Call Trace: [ 33.508790] [] dump_stack+0xc1/0x128 [ 33.514123] [] check_preemption_disabled+0x1d4/0x200 [ 33.520853] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.527332] [] ipcomp_init_state+0x188/0x930 [ 33.533703] [] ? __lock_is_held+0xa1/0xf0 [ 33.539466] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.545489] [] __xfrm_init_state+0x3e7/0xb30 [ 33.551954] [] xfrm_init_state+0x1a/0x20 [ 33.557642] [] pfkey_add+0x1fb9/0x3470 [ 33.563143] [] ? pfkey_delete+0x360/0x360 [ 33.568906] [] ? pfkey_seq_stop+0x80/0x80 [ 33.574680] [] ? __skb_clone+0x24a/0x7d0 [ 33.580355] [] ? pfkey_delete+0x360/0x360 [ 33.586118] [] pfkey_process+0x61e/0x730 [ 33.591793] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.598598] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.605399] [] pfkey_sendmsg+0x3a9/0x760 [ 33.611073] [] ? pfkey_spdget+0x820/0x820 [ 33.616835] [] sock_sendmsg+0xca/0x110 [ 33.622335] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.628110] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.634654] [] ? __lru_cache_add+0x187/0x250 [ 33.640678] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.647743] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.653680] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.660746] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.666857] [] ? __fget_light+0x158/0x1e0 [ 33.672618] [] ? __fdget+0x18/0x20 [ 33.677774] [] ? sockfd_lookup_light+0x118/0x160 [ 33.684149] [] __sys_sendmsg+0xd6/0x190 [ 33.690350] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.696111] [] ? __do_page_fault+0x5ec/0xd40 [ 33.702133] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.708068] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 33.714611] [] do_fast_syscall_32+0x2f7/0x890 [ 33.720719] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.727350] [] entry_SYSENTER_compat+0x74/0x83 [ 33.735773] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 33.744454] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.749872] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 33.757553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.766875] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 33.774836] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 33.782774] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 33.790715] Call Trace: [ 33.793269] [] dump_stack+0xc1/0x128 [ 33.798599] [] check_preemption_disabled+0x1d4/0x200 [ 33.805323] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.811790] [] ipcomp_init_state+0x188/0x930 [ 33.817817] [] ? __lock_is_held+0xa1/0xf0 [ 33.824111] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.830136] [] __xfrm_init_state+0x3e7/0xb30 [ 33.836162] [] xfrm_init_state+0x1a/0x20 [ 33.841848] [] pfkey_add+0x1fb9/0x3470 [ 33.847351] [] ? pfkey_delete+0x360/0x360 [ 33.853114] [] ? pfkey_seq_stop+0x80/0x80 [ 33.858879] [] ? __skb_clone+0x24a/0x7d0 [ 33.864562] [] ? pfkey_delete+0x360/0x360 [ 33.870328] [] pfkey_process+0x61e/0x730 [ 33.876001] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.882806] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.889617] [] pfkey_sendmsg+0x3a9/0x760 [ 33.895292] [] ? pfkey_spdget+0x820/0x820 [ 33.901052] [] sock_sendmsg+0xca/0x110 [ 33.906554] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.912315] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.919217] [] ? __lru_cache_add+0x187/0x250 [ 33.925416] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.932481] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.938502] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.945575] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.951692] [] ? __fget_light+0x158/0x1e0 [ 33.957454] [] ? __fdget+0x18/0x20 [ 33.962625] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 33.969082] [] __sys_sendmsg+0xd6/0x190 [ 33.974671] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.980522] [] ? __do_page_fault+0x5ec/0xd40 [ 33.986549] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.992484] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.999029] [] do_fast_syscall_32+0x2f7/0x890 [ 34.005142] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.012223] [] entry_SYSENTER_compat+0x74/0x83 [ 34.020459] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 34.029140] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.034607] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 34.042280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.051604] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 34.059816] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 34.067845] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 34.075794] Call Trace: [ 34.078347] [] dump_stack+0xc1/0x128 [ 34.083768] [] check_preemption_disabled+0x1d4/0x200 [ 34.090745] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.097201] [] ipcomp_init_state+0x188/0x930 [ 34.103226] [] ? __lock_is_held+0xa1/0xf0 [ 34.108995] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.115014] [] __xfrm_init_state+0x3e7/0xb30 [ 34.121037] [] xfrm_init_state+0x1a/0x20 [ 34.126716] [] pfkey_add+0x1fb9/0x3470 [ 34.132223] [] ? pfkey_delete+0x360/0x360 [ 34.137983] [] ? pfkey_seq_stop+0x80/0x80 [ 34.143745] [] ? __skb_clone+0x24a/0x7d0 [ 34.149420] [] ? pfkey_delete+0x360/0x360 [ 34.155182] [] pfkey_process+0x61e/0x730 [ 34.160856] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.167660] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.174462] [] pfkey_sendmsg+0x3a9/0x760 [ 34.180147] [] ? pfkey_spdget+0x820/0x820 [ 34.185908] [] sock_sendmsg+0xca/0x110 [ 34.191409] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.197170] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.203717] [] ? __lru_cache_add+0x187/0x250 [ 34.209740] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.216804] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.222739] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.229802] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.235914] [] ? __fget_light+0x158/0x1e0 [ 34.241685] [] ? __fdget+0x18/0x20 [ 34.246839] [] ? sockfd_lookup_light+0x118/0x160 [ 34.253207] [] __sys_sendmsg+0xd6/0x190 [ 34.258793] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.264557] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 34.270581] [] compat_SyS_sendmsg+0x2a/0x40 [ 34.276514] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 34.283059] [] do_fast_syscall_32+0x2f7/0x890 [ 34.289168] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.295802] [] entry_SYSENTER_compat+0x74/0x83 [ 34.304029] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 34.312707] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.318130] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 34.325801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.335137] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 34.343487] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 34.351449] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 34.359389] Call Trace: [ 34.361944] [] dump_stack+0xc1/0x128 [ 34.367272] [] check_preemption_disabled+0x1d4/0x200 [ 34.373989] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.380447] [] ipcomp_init_state+0x188/0x930 [ 34.386474] [] ? __lock_is_held+0xa1/0xf0 [ 34.392235] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.398258] [] __xfrm_init_state+0x3e7/0xb30 [ 34.404279] [] xfrm_init_state+0x1a/0x20 [ 34.410301] [] pfkey_add+0x1fb9/0x3470 [ 34.415810] [] ? pfkey_delete+0x360/0x360 [ 34.421571] [] ? pfkey_seq_stop+0x80/0x80 [ 34.427333] [] ? __skb_clone+0x24a/0x7d0 [ 34.433005] [] ? pfkey_delete+0x360/0x360 [ 34.438767] [] pfkey_process+0x61e/0x730 [ 34.444443] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.451258] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.458065] [] pfkey_sendmsg+0x3a9/0x760 [ 34.463739] [] ? pfkey_spdget+0x820/0x820 [ 34.469501] [] sock_sendmsg+0xca/0x110 [ 34.475007] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.481121] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.487668] [] ? __lru_cache_add+0x187/0x250 [ 34.493693] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.502149] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.508784] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.515851] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.521959] [] ? __fget_light+0x158/0x1e0 [ 34.527806] [] ? __fdget+0x18/0x20 [ 34.532962] [] ? sockfd_lookup_light+0x118/0x160 [ 34.539331] [] __sys_sendmsg+0xd6/0x190 [ 34.544917] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.551384] [] ? __do_page_fault+0x5ec/0xd40 [ 34.557406] [] compat_SyS_sendmsg+0x2a/0x40 [ 34.563340] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 34.569882] [] do_fast_syscall_32+0x2f7/0x890 [ 34.575991] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.582623] [] entry_SYSENTER_compat+0x74/0x83 [ 34.590858] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 34.599538] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.604995] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 34.613582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.622915] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 34.631222] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 34.639168] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 34.647115] Call Trace: [ 34.649678] [] dump_stack+0xc1/0x128 [ 34.655010] [] check_preemption_disabled+0x1d4/0x200 [ 34.661725] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.668974] [] ipcomp_init_state+0x188/0x930 [ 34.674996] [] ? __lock_is_held+0xa1/0xf0 [ 34.680765] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.686785] [] __xfrm_init_state+0x3e7/0xb30 [ 34.692807] [] xfrm_init_state+0x1a/0x20 [ 34.698485] [] pfkey_add+0x1fb9/0x3470 [ 34.703987] [] ? pfkey_delete+0x360/0x360 [ 34.709749] [] ? pfkey_seq_stop+0x80/0x80 [ 34.715513] [] ? __skb_clone+0x24a/0x7d0 [ 34.721190] [] ? pfkey_delete+0x360/0x360 [ 34.726950] [] pfkey_process+0x61e/0x730 [ 34.732623] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.739427] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.746228] [] pfkey_sendmsg+0x3a9/0x760 [ 34.752167] [] ? pfkey_spdget+0x820/0x820 [ 34.757929] [] sock_sendmsg+0xca/0x110 [ 34.763430] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.769193] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.775744] [] ? __lru_cache_add+0x187/0x250 [ 34.781766] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.788831] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.794854] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.801917] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.808025] [] ? __fget_light+0x158/0x1e0 [ 34.813792] [] ? __fdget+0x18/0x20 executing program [ 34.818949] [] ? sockfd_lookup_light+0x118/0x160 [ 34.825315] [] __sys_sendmsg+0xd6/0x190 [ 34.830906] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.836672] [] ? __do_page_fault+0x5ec/0xd40 [ 34.842694] [] compat_SyS_sendmsg+0x2a/0x40 [ 34.848629] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 34.855175] [] do_fast_syscall_32+0x2f7/0x890 [ 34.861282] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.867910] [] entry_SYSENTER_compat+0x74/0x83 [ 34.877186] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller355191/3335 [ 34.885886] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.892141] CPU: 1 PID: 3335 Comm: syzkaller355191 Not tainted 4.9.76-g8dec074 #23 [ 34.899819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.909150] ffff8801c8067668 ffffffff81d93169 0000000000000001 ffffffff83c17e00 [ 34.917116] ffffffff83f44900 ffff8801cc41c800 0000000000000003 ffff8801c80676a8 [ 34.925444] ffffffff81dfa734 ffff8801c80676c0 ffffffff83f44900 dffffc0000000000 [ 34.933406] Call Trace: [ 34.935964] [] dump_stack+0xc1/0x128 [ 34.941295] [] check_preemption_disabled+0x1d4/0x200 [ 34.948445] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.954911] [] ipcomp_init_state+0x188/0x930 [ 34.960936] [] ? __lock_is_held+0xa1/0xf0 [ 34.966702] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.972724] [] __xfrm_init_state+0x3e7/0xb30 [ 34.978745] [] xfrm_init_state+0x1a/0x20 [ 34.984420] [] pfkey_add+0x1fb9/0x3470 [ 34.989919] [] ? pfkey_delete+0x360/0x360 [ 34.995680] [] ? pfkey_seq_stop+0x80/0x80 [ 35.001446] [] ? __skb_clone+0x24a/0x7d0 [ 35.007119] [] ? pfkey_delete+0x360/0x360 [ 35.012888] [] pfkey_process+0x61e/0x730 [ 35.018565] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.025370] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.032173] [] pfkey_sendmsg+0x3a9/0x760 [ 35.037847] [] ? pfkey_spdget+0x820/0x820 [ 35.043609] [] sock_sendmsg+0xca/0x110 [ 35.049110] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.054871] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.061421] [] ? __lru_cache_add+0x187/0x250 [ 35.067443] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.074513] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.080450] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.087518] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.093626] [] ? __fget_light+0x158/0x1e0 [ 35.099406] [] ? __fdget+0x18/0x20 [ 35.104588] [] ? sockfd_lookup_light+0x118/0x160 [ 35.110979] [] __sys_sendmsg+0xd6/0x190 [ 35.116586] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.122369] [] ? __do_page_fault+0x5ec/0xd40 [ 35.128413] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.134545] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.141546] [] do_fast_syscall_32+0x2f7/0x890 [ 35.147747] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.154379] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program