[....] Starting enhanced syslogd: rsyslogd[ 10.745007] audit: type=1400 audit(1515878105.777:4): 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 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 '10.128.15.243' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 19.338527] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 19.339924] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.340702] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 19.341763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.343016] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.344191] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 19.345365] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 19.346600] Call Trace: [ 19.346978] [] dump_stack+0xc1/0x128 [ 19.347725] [] check_preemption_disabled+0x1d4/0x200 [ 19.348704] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.349716] [] ipcomp_init_state+0x188/0x930 [ 19.350527] [] ? __lock_is_held+0xa1/0xf0 [ 19.351315] [] ipcomp4_init_state+0xb0/0x7d0 [ 19.352177] [] __xfrm_init_state+0x3e7/0xb30 [ 19.353031] [] xfrm_init_state+0x1a/0x20 [ 19.353806] [] pfkey_add+0x1fb9/0x3470 [ 19.354600] [] ? pfkey_delete+0x360/0x360 [ 19.355548] [] ? pfkey_seq_stop+0x80/0x80 [ 19.356342] [] ? __skb_clone+0x24a/0x7d0 [ 19.357181] [] ? pfkey_delete+0x360/0x360 [ 19.357961] [] pfkey_process+0x61e/0x730 [ 19.359371] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.366181] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.372994] [] pfkey_sendmsg+0x3a9/0x760 [ 19.378681] [] ? pfkey_spdget+0x820/0x820 [ 19.384460] [] sock_sendmsg+0xca/0x110 [ 19.389966] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.395740] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.402306] [] ? __lock_is_held+0xa1/0xf0 [ 19.408078] [] ? __lru_cache_add+0x187/0x250 [ 19.414125] [] ? lru_cache_add+0xd9/0x1e0 [ 19.419910] [] ? handle_mm_fault+0xb12/0x2530 [ 19.426057] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.432039] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.438184] [] ? __fget_light+0x158/0x1e0 [ 19.443971] [] ? __fdget+0x18/0x20 [ 19.449132] [] ? sockfd_lookup_light+0x118/0x160 [ 19.455504] [] __sys_sendmsg+0xd6/0x190 [ 19.461094] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.466863] [] ? __do_page_fault+0x5ec/0xd40 [ 19.472893] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.478833] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 19.485381] [] do_fast_syscall_32+0x2f7/0x890 [ 19.491505] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.498142] [] entry_SYSENTER_compat+0x74/0x83 [ 19.506528] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 19.515365] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.520787] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 19.528467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.537806] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.545760] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 19.553711] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 19.561664] Call Trace: [ 19.564227] [] dump_stack+0xc1/0x128 [ 19.569575] [] check_preemption_disabled+0x1d4/0x200 [ 19.576330] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.582806] [] ipcomp_init_state+0x188/0x930 [ 19.588840] [] ? __lock_is_held+0xa1/0xf0 [ 19.594608] [] ipcomp4_init_state+0xb0/0x7d0 [ 19.600642] [] __xfrm_init_state+0x3e7/0xb30 [ 19.606670] [] xfrm_init_state+0x1a/0x20 [ 19.612352] [] pfkey_add+0x1fb9/0x3470 [ 19.617858] [] ? pfkey_delete+0x360/0x360 [ 19.623623] [] ? pfkey_seq_stop+0x80/0x80 [ 19.629412] [] ? __skb_clone+0x24a/0x7d0 [ 19.635092] [] ? pfkey_delete+0x360/0x360 [ 19.640859] [] pfkey_process+0x61e/0x730 [ 19.646546] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.653364] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.660190] [] pfkey_sendmsg+0x3a9/0x760 [ 19.665892] [] ? pfkey_spdget+0x820/0x820 [ 19.671677] [] sock_sendmsg+0xca/0x110 [ 19.677200] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.682979] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.689543] [] ? __lock_is_held+0xa1/0xf0 [ 19.695311] [] ? __lru_cache_add+0x187/0x250 [ 19.701338] [] ? lru_cache_add+0xd9/0x1e0 [ 19.707109] [] ? handle_mm_fault+0xb12/0x2530 [ 19.713226] [] ? _raw_spin_unlock+0x2c/0x50 [ 19.719167] [] ? handle_mm_fault+0x6ee/0x2530 [ 19.725286] [] ? __fget_light+0x158/0x1e0 [ 19.731060] [] ? __fdget+0x18/0x20 [ 19.736223] [] ? sockfd_lookup_light+0x118/0x160 [ 19.743277] [] __sys_sendmsg+0xd6/0x190 [ 19.748884] [] ? SyS_shutdown+0x1b0/0x1b0 [ 19.754656] [] ? __do_page_fault+0x5ec/0xd40 [ 19.760690] [] compat_SyS_sendmsg+0x2a/0x40 [ 19.766637] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 19.773195] [] do_fast_syscall_32+0x2f7/0x890 [ 19.779322] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 19.785973] [] entry_SYSENTER_compat+0x74/0x83 [ 19.794307] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 19.803189] caller is __this_cpu_preempt_check+0x1c/0x20 [ 19.808646] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 19.816343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.825680] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 19.833650] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 19.841611] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 19.849590] Call Trace: [ 19.852155] [] dump_stack+0xc1/0x128 [ 19.857501] [] check_preemption_disabled+0x1d4/0x200 [ 19.864232] [] __this_cpu_preempt_check+0x1c/0x20 [ 19.870704] [] ipcomp_init_state+0x188/0x930 [ 19.876755] [] ? __lock_is_held+0xa1/0xf0 [ 19.882530] [] ipcomp4_init_state+0xb0/0x7d0 [ 19.888556] [] __xfrm_init_state+0x3e7/0xb30 [ 19.894580] [] xfrm_init_state+0x1a/0x20 [ 19.900262] [] pfkey_add+0x1fb9/0x3470 [ 19.905786] [] ? pfkey_delete+0x360/0x360 [ 19.911564] [] ? pfkey_seq_stop+0x80/0x80 [ 19.917345] [] ? __skb_clone+0x24a/0x7d0 [ 19.923036] [] ? pfkey_delete+0x360/0x360 [ 19.928816] [] pfkey_process+0x61e/0x730 [ 19.934500] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 19.941309] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 19.948117] [] pfkey_sendmsg+0x3a9/0x760 [ 19.953798] [] ? pfkey_spdget+0x820/0x820 [ 19.959565] [] sock_sendmsg+0xca/0x110 [ 19.965070] [] ___sys_sendmsg+0x6d1/0x7e0 [ 19.970847] [] ? copy_msghdr_from_user+0x550/0x550 [ 19.977409] [] ? __lock_is_held+0xa1/0xf0 [ 19.983179] [] ? __lru_cache_add+0x187/0x250 [ 19.989203] [] ? lru_cache_add+0xd9/0x1e0 [ 19.994977] [] ? handle_mm_fault+0xb12/0x2530 [ 20.001090] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.007026] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.013139] [] ? __fget_light+0x158/0x1e0 [ 20.018903] [] ? __fdget+0x18/0x20 [ 20.024070] [] ? sockfd_lookup_light+0x118/0x160 [ 20.030445] [] __sys_sendmsg+0xd6/0x190 executing program [ 20.036035] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.041801] [] ? __do_page_fault+0x5ec/0xd40 [ 20.047841] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.053792] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.060340] [] do_fast_syscall_32+0x2f7/0x890 [ 20.066454] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.073088] [] entry_SYSENTER_compat+0x74/0x83 [ 20.080961] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 20.089677] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.095129] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 20.102808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.112137] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.120101] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 20.128050] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 20.136009] Call Trace: [ 20.138564] [] dump_stack+0xc1/0x128 [ 20.143895] [] check_preemption_disabled+0x1d4/0x200 [ 20.150616] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.157094] [] ipcomp_init_state+0x188/0x930 [ 20.163122] [] ? __lock_is_held+0xa1/0xf0 [ 20.168896] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.174940] [] __xfrm_init_state+0x3e7/0xb30 [ 20.180970] [] xfrm_init_state+0x1a/0x20 [ 20.186651] [] pfkey_add+0x1fb9/0x3470 [ 20.192161] [] ? pfkey_delete+0x360/0x360 [ 20.197925] [] ? pfkey_seq_stop+0x80/0x80 [ 20.203694] [] ? __skb_clone+0x24a/0x7d0 [ 20.209383] [] ? pfkey_delete+0x360/0x360 [ 20.215155] [] pfkey_process+0x61e/0x730 [ 20.220832] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.227641] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.234446] [] pfkey_sendmsg+0x3a9/0x760 [ 20.240122] [] ? pfkey_spdget+0x820/0x820 [ 20.245885] [] sock_sendmsg+0xca/0x110 [ 20.251387] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.257150] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.263698] [] ? __lock_is_held+0xa1/0xf0 [ 20.269465] [] ? __lru_cache_add+0x187/0x250 [ 20.275490] [] ? lru_cache_add+0xd9/0x1e0 [ 20.281252] [] ? handle_mm_fault+0xb12/0x2530 [ 20.287365] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.293305] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.299418] [] ? __fget_light+0x158/0x1e0 [ 20.305201] [] ? __fdget+0x18/0x20 [ 20.310358] [] ? sockfd_lookup_light+0x118/0x160 [ 20.316731] [] __sys_sendmsg+0xd6/0x190 [ 20.322337] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.328101] [] ? __do_page_fault+0x5ec/0xd40 [ 20.334132] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 20.340068] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.346623] [] do_fast_syscall_32+0x2f7/0x890 [ 20.352733] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.359369] [] entry_SYSENTER_compat+0x74/0x83 [ 20.367404] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 20.376090] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.381510] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 20.389184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.398512] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.406469] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 20.414419] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 20.422363] Call Trace: [ 20.424920] [] dump_stack+0xc1/0x128 [ 20.430252] [] check_preemption_disabled+0x1d4/0x200 [ 20.436973] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.443438] [] ipcomp_init_state+0x188/0x930 [ 20.449464] [] ? __lock_is_held+0xa1/0xf0 [ 20.455231] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.461281] [] __xfrm_init_state+0x3e7/0xb30 [ 20.467306] [] xfrm_init_state+0x1a/0x20 [ 20.472986] [] pfkey_add+0x1fb9/0x3470 [ 20.478501] [] ? pfkey_delete+0x360/0x360 [ 20.484265] [] ? pfkey_seq_stop+0x80/0x80 [ 20.490031] [] ? __skb_clone+0x24a/0x7d0 [ 20.495708] [] ? pfkey_delete+0x360/0x360 [ 20.501475] [] pfkey_process+0x61e/0x730 [ 20.507153] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.513962] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.520778] [] pfkey_sendmsg+0x3a9/0x760 [ 20.526472] [] ? pfkey_spdget+0x820/0x820 [ 20.532248] [] sock_sendmsg+0xca/0x110 [ 20.537762] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.543537] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.550087] [] ? __lock_is_held+0xa1/0xf0 [ 20.555867] [] ? __lru_cache_add+0x187/0x250 [ 20.561913] [] ? lru_cache_add+0xd9/0x1e0 [ 20.567702] [] ? handle_mm_fault+0xb12/0x2530 [ 20.573827] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.579781] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.585897] [] ? __fget_light+0x158/0x1e0 [ 20.591695] [] ? __fdget+0x18/0x20 [ 20.596861] [] ? sockfd_lookup_light+0x118/0x160 [ 20.603233] [] __sys_sendmsg+0xd6/0x190 [ 20.608823] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.614589] [] ? __do_page_fault+0x5ec/0xd40 [ 20.620613] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.626564] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.633116] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 20.639239] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.645879] [] entry_SYSENTER_compat+0x74/0x83 [ 20.653782] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 20.662472] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.667890] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 20.675562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.684885] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.692840] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 20.700807] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 20.708757] Call Trace: [ 20.711316] [] dump_stack+0xc1/0x128 [ 20.716660] [] check_preemption_disabled+0x1d4/0x200 [ 20.723379] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.729855] [] ipcomp_init_state+0x188/0x930 [ 20.735883] [] ? __lock_is_held+0xa1/0xf0 [ 20.741647] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.747673] [] __xfrm_init_state+0x3e7/0xb30 [ 20.753698] [] xfrm_init_state+0x1a/0x20 [ 20.759377] [] pfkey_add+0x1fb9/0x3470 [ 20.764885] [] ? pfkey_delete+0x360/0x360 [ 20.770648] [] ? pfkey_seq_stop+0x80/0x80 [ 20.776413] [] ? __skb_clone+0x24a/0x7d0 [ 20.782092] [] ? pfkey_delete+0x360/0x360 [ 20.787871] [] pfkey_process+0x61e/0x730 [ 20.793561] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.800370] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.807178] [] pfkey_sendmsg+0x3a9/0x760 [ 20.812857] [] ? pfkey_spdget+0x820/0x820 [ 20.818623] [] sock_sendmsg+0xca/0x110 [ 20.824128] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.829896] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.836886] [] ? __lock_is_held+0xa1/0xf0 [ 20.842655] [] ? __lru_cache_add+0x187/0x250 [ 20.848684] [] ? lru_cache_add+0xd9/0x1e0 [ 20.854450] [] ? handle_mm_fault+0xb12/0x2530 [ 20.860562] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.866502] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.872614] [] ? __fget_light+0x158/0x1e0 [ 20.878392] [] ? __fdget+0x18/0x20 [ 20.883552] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 20.889947] [] __sys_sendmsg+0xd6/0x190 [ 20.895550] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.901322] [] ? __do_page_fault+0x5ec/0xd40 [ 20.907698] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.913645] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.920191] [] do_fast_syscall_32+0x2f7/0x890 [ 20.926315] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.932952] [] entry_SYSENTER_compat+0x74/0x83 [ 20.940814] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 20.949506] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.954958] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 20.962639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.971963] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 20.979925] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 20.987893] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 20.995853] Call Trace: [ 20.998411] [] dump_stack+0xc1/0x128 [ 21.003745] [] check_preemption_disabled+0x1d4/0x200 [ 21.010466] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.016926] [] ipcomp_init_state+0x188/0x930 [ 21.022953] [] ? __lock_is_held+0xa1/0xf0 [ 21.028718] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.034742] [] __xfrm_init_state+0x3e7/0xb30 [ 21.040764] [] xfrm_init_state+0x1a/0x20 [ 21.046457] [] pfkey_add+0x1fb9/0x3470 [ 21.051968] [] ? pfkey_delete+0x360/0x360 [ 21.057734] [] ? pfkey_seq_stop+0x80/0x80 [ 21.063502] [] ? __skb_clone+0x24a/0x7d0 [ 21.069180] [] ? pfkey_delete+0x360/0x360 [ 21.074947] [] pfkey_process+0x61e/0x730 [ 21.080632] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.087444] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.094253] [] pfkey_sendmsg+0x3a9/0x760 [ 21.099950] [] ? pfkey_spdget+0x820/0x820 [ 21.105720] [] sock_sendmsg+0xca/0x110 [ 21.111235] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.117002] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.123549] [] ? __lock_is_held+0xa1/0xf0 [ 21.129329] [] ? __lru_cache_add+0x187/0x250 [ 21.135355] [] ? lru_cache_add+0xd9/0x1e0 [ 21.141118] [] ? handle_mm_fault+0xb12/0x2530 [ 21.147230] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.153169] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.159279] [] ? __fget_light+0x158/0x1e0 [ 21.165043] [] ? __fdget+0x18/0x20 [ 21.170208] [] ? sockfd_lookup_light+0x118/0x160 [ 21.176576] [] __sys_sendmsg+0xd6/0x190 [ 21.182171] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.187936] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 21.193970] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.199914] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.206464] [] do_fast_syscall_32+0x2f7/0x890 [ 21.212590] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.219240] [] entry_SYSENTER_compat+0x74/0x83 [ 21.227214] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 21.235933] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.241372] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 21.249057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.258408] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 21.266374] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 21.274327] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 21.282300] Call Trace: [ 21.284858] [] dump_stack+0xc1/0x128 [ 21.290188] [] check_preemption_disabled+0x1d4/0x200 [ 21.296946] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.303428] [] ipcomp_init_state+0x188/0x930 [ 21.309467] [] ? __lock_is_held+0xa1/0xf0 [ 21.315232] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.321267] [] __xfrm_init_state+0x3e7/0xb30 [ 21.327303] [] xfrm_init_state+0x1a/0x20 [ 21.332987] [] pfkey_add+0x1fb9/0x3470 [ 21.338505] [] ? 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 [ 21.344282] [] ? pfkey_seq_stop+0x80/0x80 [ 21.350048] [] ? __skb_clone+0x24a/0x7d0 [ 21.355728] [] ? pfkey_delete+0x360/0x360 [ 21.361505] [] pfkey_process+0x61e/0x730 [ 21.367199] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.374039] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.374049] [] 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 [ 21.374058] [] ? pfkey_spdget+0x820/0x820 [ 21.374067] [] sock_sendmsg+0xca/0x110 [ 21.374073] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.374078] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.374084] [] ? __lock_is_held+0xa1/0xf0 [ 21.374093] [] ? __lru_cache_add+0x187/0x250 [ 21.374098] [] ? lru_cache_add+0xd9/0x1e0 [ 21.374105] [] ? handle_mm_fault+0xb12/0x2530 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 [ 21.374114] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.374120] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.374127] [] ? __fget_light+0x158/0x1e0 [ 21.374132] [] ? __fdget+0x18/0x20 [ 21.374139] [] ? sockfd_lookup_light+0x118/0x160 [ 21.374145] [] __sys_sendmsg+0xd6/0x190 [ 21.374151] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.374160] [] ? __do_page_fault+0x5ec/0xd40 [ 21.374169] [] 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 [ 21.374176] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.374183] [] do_fast_syscall_32+0x2f7/0x890 [ 21.374189] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.374195] [] entry_SYSENTER_compat+0x74/0x83 [ 21.378053] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 21.378066] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.378073] CPU: 1 PID: 3325 Comm: syzkaller776462 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 [ 21.378076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.378087] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 21.378096] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 21.378104] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 21.378105] Call Trace: [ 21.378115] [] dump_stack+0xc1/0x128 [ 21.378122] [] check_preemption_disabled+0x1d4/0x200 [ 21.378129] [] __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 [ 21.378138] [] ipcomp_init_state+0x188/0x930 [ 21.378147] [] ? __lock_is_held+0xa1/0xf0 [ 21.378154] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.378160] [] __xfrm_init_state+0x3e7/0xb30 [ 21.378166] [] xfrm_init_state+0x1a/0x20 [ 21.378174] [] pfkey_add+0x1fb9/0x3470 [ 21.378180] [] ? pfkey_delete+0x360/0x360 [ 21.378186] [] ? pfkey_seq_stop+0x80/0x80 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.378193] [] ? __skb_clone+0x24a/0x7d0 [ 21.378199] [] ? pfkey_delete+0x360/0x360 [ 21.378204] [] pfkey_process+0x61e/0x730 [ 21.378211] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.378218] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.378225] [] pfkey_sendmsg+0x3a9/0x760 [ 21.378231] [] ? pfkey_spdget+0x820/0x820 [ 21.378238] [] 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 [ 21.378244] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.378252] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.378259] [] ? __lock_is_held+0xa1/0xf0 [ 21.378267] [] ? __lru_cache_add+0x187/0x250 [ 21.378273] [] ? lru_cache_add+0xd9/0x1e0 [ 21.378278] [] ? handle_mm_fault+0xb12/0x2530 [ 21.378286] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.378292] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.378298] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.378304] [] ? __fdget+0x18/0x20 [ 21.378311] [] ? sockfd_lookup_light+0x118/0x160 [ 21.378317] [] __sys_sendmsg+0xd6/0x190 [ 21.378322] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.378331] [] ? __do_page_fault+0x5ec/0xd40 [ 21.378339] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.378351] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.378357] [] do_fast_syscall_32+0x2f7/0x890 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.378364] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.378370] [] entry_SYSENTER_compat+0x74/0x83 [ 21.379539] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller776462/3325 [ 21.379548] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.379554] CPU: 1 PID: 3325 Comm: syzkaller776462 Not tainted 4.9.76-g8e170a5 #21 [ 21.379557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.379567] ffff8801c967f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.379575] ffffffff83f44900 ffff8801ca8b3000 0000000000000003 ffff8801c967f6a8 [ 21.379584] ffffffff81dfa714 ffff8801c967f6c0 ffffffff83f44900 dffffc0000000000 [ 21.379585] Call Trace: [ 21.379593] [] dump_stack+0xc1/0x128 [ 21.379600] [] check_preemption_disabled+0x1d4/0x200 [ 21.379607] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.379615] [] ipcomp_init_state+0x188/0x930 [ 21.379622] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.379628] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.379634] [] __xfrm_init_state+0x3e7/0xb30 [ 21.379640] [] xfrm_init_state+0x1a/0x20 [ 21.379646] [] pfkey_add+0x1fb9/0x3470 [ 21.379653] [] ? pfkey_delete+0x360/0x360 [ 21.379658] [] ? pfkey_seq_stop+0x80/0x80 [ 21.379665] [] ? __skb_clone+0x24a/0x7d0 [ 21.379671] [] ? 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 [ 21.379677] [] pfkey_process+0x61e/0x730 [ 21.379683] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.379690] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.379697] [] pfkey_sendmsg+0x3a9/0x760 [ 21.379703] [] ? pfkey_spdget+0x820/0x820 [ 21.379709] [] sock_sendmsg+0xca/0x110 [ 21.379716] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.379724] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.379730] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.379738] [] ? __lru_cache_add+0x187/0x250 [ 21.379744] [] ? lru_cache_add+0xd9/0x1e0 [ 21.379749] [] ? handle_mm_fault+0xb12/0x2530 [ 21.379756] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.379762] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.379768] [] ? __fget_light+0x158/0x1e0 [ 21.379774] [] ? __fdget+0x18/0x20 [ 21.379781] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.379787] [] __sys_sendmsg+0xd6/0x190 [ 21.379792] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.379800] [] ? __do_page_fault+0x5ec/0xd40 [ 21.379807] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.379815] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.379821] [] do_fast_syscall_32+0x2f7/0x890 [ 21.379827] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.379833] [] 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