[....] Starting enhanced syslogd: rsyslogd[ 10.251443] audit: type=1400 audit(1515906265.379:4): avc: denied { syslog } for pid=3177 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.213' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 19.274723] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 19.275983] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.276734] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 19.277776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.279088] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.280249] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 19.281421] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 19.282601] Call Trace: [ 19.282965] [] dump_stack+0xc1/0x128 [ 19.283749] [] check_preemption_disabled+0x1d4/0x200 [ 19.284731] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.285611] [] ipcomp_init_state+0x188/0x930 [ 19.286440] [] ? __lock_is_held+0xa1/0xf0 [ 19.287213] [] ipcomp6_init_state+0xb5/0x820 [ 19.288176] [] ? __xfrm_init_state+0x363/0xb30 [ 19.289001] [] __xfrm_init_state+0x3e7/0xb30 [ 19.289801] [] xfrm_init_state+0x1a/0x20 [ 19.290576] [] pfkey_add+0x1fb9/0x3470 [ 19.291321] [] ? pfkey_delete+0x360/0x360 [ 19.292086] [] ? pfkey_seq_stop+0x80/0x80 [ 19.292870] [] ? __skb_clone+0x24a/0x7d0 [ 19.293628] [] ? pfkey_delete+0x360/0x360 [ 19.294411] [] pfkey_process+0x61e/0x730 [ 19.297387] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.304201] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.311009] [] pfkey_sendmsg+0x3a9/0x760 [ 19.316686] [] ? pfkey_spdget+0x820/0x820 [ 19.322459] [] sock_sendmsg+0xca/0x110 [ 19.327972] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.333742] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.340295] [] ? __lock_is_held+0xa1/0xf0 [ 19.346073] [] ? __lru_cache_add+0x187/0x250 [ 19.352103] [] ? lru_cache_add+0xd9/0x1e0 [ 19.357869] [] ? handle_mm_fault+0xb12/0x2530 [ 19.363983] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.369922] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.376033] [] ? __fget_light+0x158/0x1e0 [ 19.381798] [] ? __fdget+0x18/0x20 [ 19.386959] [] ? sockfd_lookup_light+0x118/0x160 [ 19.393333] [] __sys_sendmsg+0xd6/0x190 [ 19.398929] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.404695] [] ? __do_page_fault+0x5ec/0xd40 [ 19.410740] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.416686] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 19.423240] [] do_fast_syscall_32+0x2f7/0x890 [ 19.429356] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.435993] [] entry_SYSENTER_compat+0x74/0x83 [ 19.444318] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 19.453026] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.458567] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 19.466257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.475596] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.483563] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 19.491528] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 19.499503] Call Trace: [ 19.502064] [] dump_stack+0xc1/0x128 [ 19.507402] [] check_preemption_disabled+0x1d4/0x200 [ 19.514123] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.520586] [] ipcomp_init_state+0x188/0x930 [ 19.526615] [] ? __lock_is_held+0xa1/0xf0 [ 19.532397] [] ipcomp6_init_state+0xb5/0x820 [ 19.538425] [] ? __xfrm_init_state+0x363/0xb30 [ 19.544625] [] __xfrm_init_state+0x3e7/0xb30 [ 19.550650] [] xfrm_init_state+0x1a/0x20 [ 19.556329] [] pfkey_add+0x1fb9/0x3470 [ 19.561836] [] ? pfkey_delete+0x360/0x360 [ 19.567603] [] ? pfkey_seq_stop+0x80/0x80 [ 19.573383] [] ? __skb_clone+0x24a/0x7d0 [ 19.579061] [] ? pfkey_delete+0x360/0x360 [ 19.584826] [] pfkey_process+0x61e/0x730 [ 19.590509] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.597320] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.604136] [] pfkey_sendmsg+0x3a9/0x760 [ 19.609816] [] ? pfkey_spdget+0x820/0x820 [ 19.615585] [] sock_sendmsg+0xca/0x110 [ 19.621091] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.626861] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.633419] [] ? __lock_is_held+0xa1/0xf0 [ 19.639196] [] ? __lru_cache_add+0x187/0x250 [ 19.645226] [] ? lru_cache_add+0xd9/0x1e0 [ 19.650993] [] ? handle_mm_fault+0xb12/0x2530 [ 19.657112] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.663049] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.669161] [] ? __fget_light+0x158/0x1e0 [ 19.674926] [] ? __fdget+0x18/0x20 [ 19.680086] [] ? sockfd_lookup_light+0x118/0x160 [ 19.686466] [] __sys_sendmsg+0xd6/0x190 [ 19.692068] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.697841] [] ? __do_page_fault+0x5ec/0xd40 [ 19.703886] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.709829] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 19.716378] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 19.722496] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.729134] [] entry_SYSENTER_compat+0x74/0x83 [ 19.737480] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 19.746160] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.751635] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 19.759328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.768656] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.776620] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 19.784590] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 19.792552] Call Trace: [ 19.795108] [] dump_stack+0xc1/0x128 [ 19.800444] [] check_preemption_disabled+0x1d4/0x200 [ 19.807169] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.813641] [] ipcomp_init_state+0x188/0x930 [ 19.819671] [] ? __lock_is_held+0xa1/0xf0 [ 19.825444] [] ipcomp6_init_state+0xb5/0x820 [ 19.831472] [] ? __xfrm_init_state+0x363/0xb30 [ 19.837681] [] __xfrm_init_state+0x3e7/0xb30 [ 19.843714] [] xfrm_init_state+0x1a/0x20 [ 19.849396] [] pfkey_add+0x1fb9/0x3470 [ 19.854901] [] ? pfkey_delete+0x360/0x360 [ 19.860672] [] ? pfkey_seq_stop+0x80/0x80 [ 19.866437] [] ? __skb_clone+0x24a/0x7d0 [ 19.872128] [] ? pfkey_delete+0x360/0x360 [ 19.877894] [] pfkey_process+0x61e/0x730 [ 19.883571] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.890380] [] pfkey_sendmsg+0x3a9/0x760 [ 19.896060] [] ? pfkey_spdget+0x820/0x820 [ 19.901828] [] sock_sendmsg+0xca/0x110 [ 19.907357] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.913195] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.920437] [] ? __lock_is_held+0xa1/0xf0 [ 19.926223] [] ? __lru_cache_add+0x187/0x250 [ 19.932260] [] ? lru_cache_add+0xd9/0x1e0 [ 19.938035] [] ? handle_mm_fault+0xb12/0x2530 [ 19.944161] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.950108] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.956230] [] ? __fget_light+0x158/0x1e0 [ 19.962007] [] ? __fdget+0x18/0x20 [ 19.967179] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 19.973572] [] __sys_sendmsg+0xd6/0x190 [ 19.979179] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.984956] [] ? __do_page_fault+0x5ec/0xd40 [ 19.990989] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.997046] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.003598] [] do_fast_syscall_32+0x2f7/0x890 [ 20.009723] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.016361] [] entry_SYSENTER_compat+0x74/0x83 [ 20.024026] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.032830] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.038307] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.045996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.055329] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.063330] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 20.071333] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.079315] Call Trace: [ 20.081887] [] dump_stack+0xc1/0x128 [ 20.087221] [] check_preemption_disabled+0x1d4/0x200 [ 20.093952] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.100425] [] ipcomp_init_state+0x188/0x930 [ 20.106458] [] ? __lock_is_held+0xa1/0xf0 [ 20.112227] [] ipcomp6_init_state+0xb5/0x820 [ 20.118253] [] ? __xfrm_init_state+0x363/0xb30 [ 20.124461] [] __xfrm_init_state+0x3e7/0xb30 [ 20.130499] [] xfrm_init_state+0x1a/0x20 [ 20.136183] [] pfkey_add+0x1fb9/0x3470 [ 20.141784] [] ? pfkey_delete+0x360/0x360 [ 20.147559] [] ? pfkey_seq_stop+0x80/0x80 [ 20.153331] [] ? __skb_clone+0x24a/0x7d0 [ 20.159012] [] ? pfkey_delete+0x360/0x360 [ 20.164780] [] pfkey_process+0x61e/0x730 [ 20.170462] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.177270] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.184078] [] pfkey_sendmsg+0x3a9/0x760 [ 20.189767] [] ? pfkey_spdget+0x820/0x820 [ 20.195540] [] sock_sendmsg+0xca/0x110 [ 20.201046] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.206823] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.213372] [] ? __lock_is_held+0xa1/0xf0 [ 20.219140] [] ? __lru_cache_add+0x187/0x250 [ 20.225167] [] ? lru_cache_add+0xd9/0x1e0 [ 20.230934] [] ? handle_mm_fault+0xb12/0x2530 [ 20.237058] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.242999] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.249120] [] ? __fget_light+0x158/0x1e0 [ 20.254886] [] ? __fdget+0x18/0x20 [ 20.260057] [] ? sockfd_lookup_light+0x118/0x160 [ 20.266430] [] __sys_sendmsg+0xd6/0x190 [ 20.272024] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 20.277793] [] ? __do_page_fault+0x5ec/0xd40 [ 20.283830] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.289778] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.296332] [] do_fast_syscall_32+0x2f7/0x890 [ 20.302456] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.309094] [] entry_SYSENTER_compat+0x74/0x83 [ 20.316804] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.325504] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.330971] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.338658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.347988] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.355966] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 20.363953] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.371931] Call Trace: [ 20.374493] [] dump_stack+0xc1/0x128 [ 20.379829] [] check_preemption_disabled+0x1d4/0x200 [ 20.386559] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.393032] [] ipcomp_init_state+0x188/0x930 [ 20.399063] [] ? __lock_is_held+0xa1/0xf0 [ 20.404831] [] ipcomp6_init_state+0xb5/0x820 [ 20.410860] [] ? __xfrm_init_state+0x363/0xb30 [ 20.417069] [] __xfrm_init_state+0x3e7/0xb30 [ 20.423107] [] xfrm_init_state+0x1a/0x20 [ 20.428875] [] pfkey_add+0x1fb9/0x3470 [ 20.434383] [] ? pfkey_delete+0x360/0x360 [ 20.440160] [] ? pfkey_seq_stop+0x80/0x80 [ 20.445926] [] ? __skb_clone+0x24a/0x7d0 [ 20.451618] [] ? pfkey_delete+0x360/0x360 [ 20.457387] [] pfkey_process+0x61e/0x730 [ 20.463073] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.469883] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.476693] [] pfkey_sendmsg+0x3a9/0x760 [ 20.482374] [] ? pfkey_spdget+0x820/0x820 [ 20.488144] [] sock_sendmsg+0xca/0x110 [ 20.493651] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.499430] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.505996] [] ? __lock_is_held+0xa1/0xf0 [ 20.511774] [] ? __lru_cache_add+0x187/0x250 [ 20.517801] [] ? lru_cache_add+0xd9/0x1e0 [ 20.523569] [] ? handle_mm_fault+0xb12/0x2530 [ 20.529685] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.535634] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.541749] [] ? __fget_light+0x158/0x1e0 [ 20.547516] [] ? __fdget+0x18/0x20 [ 20.552680] [] ? sockfd_lookup_light+0x118/0x160 [ 20.559059] [] __sys_sendmsg+0xd6/0x190 [ 20.564652] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.570423] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 20.576462] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.582405] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.588955] [] do_fast_syscall_32+0x2f7/0x890 [ 20.595067] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.601702] [] entry_SYSENTER_compat+0x74/0x83 [ 20.609921] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.618625] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.624053] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.631724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.641051] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.647172] ffffffff83f44900 [ 20.647173] ffff8801cb098000 0000000000000003 ffff8801c93d7698 ffffffff81dfa714 [ 20.647178] ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000Call Trace: [ 20.647192] [] dump_stack+0xc1/0x128 [ 20.647197] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.647202] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.647209] [] ipcomp_init_state+0x188/0x930 [ 20.647216] [] ? __lock_is_held+0xa1/0xf0 [ 20.647220] [] ipcomp6_init_state+0xb5/0x820 [ 20.647224] [] ? __xfrm_init_state+0x363/0xb30 [ 20.647227] [] __xfrm_init_state+0x3e7/0xb30 [ 20.647231] [] xfrm_init_state+0x1a/0x20 [ 20.647236] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.647240] [] ? pfkey_delete+0x360/0x360 [ 20.647243] [] ? pfkey_seq_stop+0x80/0x80 [ 20.647249] [] ? __skb_clone+0x24a/0x7d0 [ 20.647252] [] ? pfkey_delete+0x360/0x360 [ 20.647256] [] pfkey_process+0x61e/0x730 [ 20.647259] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.647264] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.647268] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.647271] [] ? pfkey_spdget+0x820/0x820 [ 20.647277] [] sock_sendmsg+0xca/0x110 [ 20.647281] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.647285] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.647289] [] ? __lock_is_held+0xa1/0xf0 [ 20.647295] [] ? __lru_cache_add+0x187/0x250 [ 20.647299] [] ? lru_cache_add+0xd9/0x1e0 [ 20.647303] [] ? handle_mm_fault+0xb12/0x2530 [ 20.647310] [] ? _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 [ 20.647313] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.647318] [] ? __fget_light+0x158/0x1e0 [ 20.647322] [] ? __fdget+0x18/0x20 [ 20.647326] [] ? sockfd_lookup_light+0x118/0x160 [ 20.647329] [] __sys_sendmsg+0xd6/0x190 [ 20.647332] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.647339] [] ? __do_page_fault+0x5ec/0xd40 [ 20.647345] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.647349] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.647354] [] do_fast_syscall_32+0x2f7/0x890 [ 20.647357] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.647362] [] entry_SYSENTER_compat+0x74/0x83 [ 20.654230] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.654240] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.654245] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.654255] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.654260] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 20.654265] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.654266] Call Trace: [ 20.654275] [] dump_stack+0xc1/0x128 [ 20.654280] [] check_preemption_disabled+0x1d4/0x200 [ 20.654284] [] __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654290] [] ipcomp_init_state+0x188/0x930 [ 20.654297] [] ? __lock_is_held+0xa1/0xf0 [ 20.654301] [] ipcomp6_init_state+0xb5/0x820 [ 20.654304] [] ? __xfrm_init_state+0x363/0xb30 [ 20.654308] [] __xfrm_init_state+0x3e7/0xb30 [ 20.654311] [] xfrm_init_state+0x1a/0x20 [ 20.654316] [] pfkey_add+0x1fb9/0x3470 [ 20.654320] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654323] [] ? pfkey_seq_stop+0x80/0x80 [ 20.654329] [] ? __skb_clone+0x24a/0x7d0 [ 20.654333] [] ? pfkey_delete+0x360/0x360 [ 20.654336] [] pfkey_process+0x61e/0x730 [ 20.654340] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.654344] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.654349] [] pfkey_sendmsg+0x3a9/0x760 [ 20.654352] [] ? pfkey_spdget+0x820/0x820 [ 20.654357] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654361] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.654365] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.654369] [] ? __lock_is_held+0xa1/0xf0 [ 20.654376] [] ? __lru_cache_add+0x187/0x250 [ 20.654379] [] ? lru_cache_add+0xd9/0x1e0 [ 20.654383] [] ? handle_mm_fault+0xb12/0x2530 [ 20.654390] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.654393] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654398] [] ? __fget_light+0x158/0x1e0 [ 20.654402] [] ? __fdget+0x18/0x20 [ 20.654406] [] ? sockfd_lookup_light+0x118/0x160 [ 20.654409] [] __sys_sendmsg+0xd6/0x190 [ 20.654412] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.654419] [] ? __do_page_fault+0x5ec/0xd40 [ 20.654425] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.654435] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.654440] [] do_fast_syscall_32+0x2f7/0x890 [ 20.654444] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.654448] [] entry_SYSENTER_compat+0x74/0x83 [ 20.655357] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.655364] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.655368] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.655370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.655376] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.655381] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 20.655386] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.655386] Call Trace: [ 20.655391] [] dump_stack+0xc1/0x128 [ 20.655396] [] check_preemption_disabled+0x1d4/0x200 [ 20.655400] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.655405] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 20.655410] [] ? __lock_is_held+0xa1/0xf0 [ 20.655414] [] ipcomp6_init_state+0xb5/0x820 [ 20.655417] [] ? __xfrm_init_state+0x363/0xb30 [ 20.655421] [] __xfrm_init_state+0x3e7/0xb30 [ 20.655424] [] xfrm_init_state+0x1a/0x20 [ 20.655436] [] pfkey_add+0x1fb9/0x3470 [ 20.655440] [] ? pfkey_delete+0x360/0x360 [ 20.655443] [] ? pfkey_seq_stop+0x80/0x80 [ 20.655448] [] ? __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 [ 20.655452] [] ? pfkey_delete+0x360/0x360 [ 20.655455] [] pfkey_process+0x61e/0x730 [ 20.655459] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.655463] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.655467] [] pfkey_sendmsg+0x3a9/0x760 [ 20.655470] [] ? pfkey_spdget+0x820/0x820 [ 20.655475] [] sock_sendmsg+0xca/0x110 [ 20.655479] [] ___sys_sendmsg+0x6d1/0x7e0 executing program [ 20.655483] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.655487] [] ? __lock_is_held+0xa1/0xf0 [ 20.655492] [] ? __lru_cache_add+0x187/0x250 [ 20.655496] [] ? lru_cache_add+0xd9/0x1e0 [ 20.655499] [] ? handle_mm_fault+0xb12/0x2530 [ 20.655504] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.655507] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.655511] [] ? __fget_light+0x158/0x1e0 executing program executing program [ 20.655514] [] ? __fdget+0x18/0x20 [ 20.655518] [] ? sockfd_lookup_light+0x118/0x160 [ 20.655522] [] __sys_sendmsg+0xd6/0x190 [ 20.655525] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.655529] [] ? __do_page_fault+0x5ec/0xd40 [ 20.655535] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.655539] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.655543] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 20.655546] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.655550] [] entry_SYSENTER_compat+0x74/0x83 [ 20.656307] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.656312] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.656316] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.656318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.656324] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 executing program [ 20.656329] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 [ 20.656334] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.656335] Call Trace: [ 20.656339] [] dump_stack+0xc1/0x128 [ 20.656344] [] check_preemption_disabled+0x1d4/0x200 [ 20.656348] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.656352] [] ipcomp_init_state+0x188/0x930 [ 20.656356] [] ? __lock_is_held+0xa1/0xf0 [ 20.656360] [] ipcomp6_init_state+0xb5/0x820 executing program [ 20.656363] [] ? __xfrm_init_state+0x363/0xb30 [ 20.656367] [] __xfrm_init_state+0x3e7/0xb30 [ 20.656370] [] xfrm_init_state+0x1a/0x20 [ 20.656374] [] pfkey_add+0x1fb9/0x3470 [ 20.656377] [] ? pfkey_delete+0x360/0x360 [ 20.656381] [] ? pfkey_seq_stop+0x80/0x80 [ 20.656385] [] ? __skb_clone+0x24a/0x7d0 [ 20.656388] [] ? pfkey_delete+0x360/0x360 executing program executing program [ 20.656392] [] pfkey_process+0x61e/0x730 [ 20.656395] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.656399] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.656403] [] pfkey_sendmsg+0x3a9/0x760 [ 20.656407] [] ? pfkey_spdget+0x820/0x820 [ 20.656411] [] sock_sendmsg+0xca/0x110 [ 20.656415] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.656419] [] ? copy_msghdr_from_user+0x550/0x550 executing program [ 20.656423] [] ? __lock_is_held+0xa1/0xf0 [ 20.656435] [] ? __lru_cache_add+0x187/0x250 [ 20.656438] [] ? lru_cache_add+0xd9/0x1e0 [ 20.656442] [] ? handle_mm_fault+0xb12/0x2530 [ 20.656447] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.656450] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.656453] [] ? __fget_light+0x158/0x1e0 [ 20.656457] [] ? __fdget+0x18/0x20 [ 20.656461] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 20.656464] [] __sys_sendmsg+0xd6/0x190 [ 20.656467] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.656471] [] ? __do_page_fault+0x5ec/0xd40 [ 20.656476] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.656480] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.656484] [] do_fast_syscall_32+0x2f7/0x890 [ 20.656488] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.656492] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 20.657576] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller044302/3325 [ 20.657582] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.657585] CPU: 1 PID: 3325 Comm: syzkaller044302 Not tainted 4.9.76-g8e170a5 #21 [ 20.657587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.657593] ffff8801c93d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.657598] ffffffff83f44900 ffff8801cb098000 0000000000000003 ffff8801c93d7698 executing program executing program [ 20.657603] ffffffff81dfa714 ffff8801c93d76b0 ffffffff83f44900 dffffc0000000000 [ 20.657604] Call Trace: [ 20.657609] [] dump_stack+0xc1/0x128 [ 20.657614] [] check_preemption_disabled+0x1d4/0x200 [ 20.657618] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.657622] [] ipcomp_init_state+0x188/0x930 [ 20.657627] [] ? __lock_is_held+0xa1/0xf0 [ 20.657630] [] ipcomp6_init_state+0xb5/0x820 [ 20.657634] [] ? __xfrm_init_state+0x363/0xb30 executing program [ 20.657637] [] __xfrm_init_state+0x3e7/0xb30 [ 20.657640] [] xfrm_init_state+0x1a/0x20 [ 20.657644] [] pfkey_add+0x1fb9/0x3470 [ 20.657648] [] ? pfkey_delete+0x360/0x360 [ 20.657651] [] ? pfkey_seq_stop+0x80/0x80 [ 20.657655] [] ? __skb_clone+0x24a/0x7d0 [ 20.657658] [] ? pfkey_delete+0x360/0x360 [ 20.657662] [] pfkey_process+0x61e/0x730 [ 20.657665] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program [ 20.657670] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.657674] [] pfkey_sendmsg+0x3a9/0x760 [ 20.657677] [] ? pfkey_spdget+0x820/0x820 [ 20.657681] [] sock_sendmsg+0xca/0x110 [ 20.657686] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.657690] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.657694] [] ? __lock_is_held+0xa1/0xf0 [ 20.657699] [] ? __lru_cache_add+0x187/0x250 executing program [ 20.657702] [] ? lru_cache_add+0xd9/0x1e0 [ 20.657705] [] ? handle_mm_fault+0xb12/0x2530 [ 20.657710] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.657713] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.657717] [] ? __fget_light+0x158/0x1e0 [ 20.657720] [] ? __fdget+0x18/0x20 [ 20.657724] [] ? sockfd_lookup_light+0x118/0x160 [ 20.657727] [] __sys_sendmsg+0xd6/0x190 [ 20.657730] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program [ 20.657735] [] ? __do_page_fault+0x5ec/0xd40 [ 20.657739] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.657743] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.657747] [] do_fast_syscall_32+0x2f7/0x890 [ 20.657750] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.657754] [] 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