[....] Starting enhanced syslogd: rsyslogd[ 12.103236] audit: type=1400 audit(1513048368.639:4): avc: denied { syslog } for pid=3165 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-386-1,10.128.0.21' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 44.722268] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 44.730988] caller is __this_cpu_preempt_check+0x1c/0x20 [ 44.736403] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 44.743985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.753300] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 44.761238] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 44.769181] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 44.777119] Call Trace: [ 44.779668] [] dump_stack+0xc1/0x128 [ 44.784994] [] check_preemption_disabled+0x1d4/0x200 [ 44.791709] [] __this_cpu_preempt_check+0x1c/0x20 [ 44.798164] [] ipcomp_init_state+0x188/0x930 [ 44.804185] [] ? __lock_is_held+0xa1/0xf0 [ 44.809946] [] ipcomp4_init_state+0xb0/0x7d0 [ 44.815964] [] __xfrm_init_state+0x3e7/0xb30 [ 44.821984] [] xfrm_init_state+0x1a/0x20 [ 44.827658] [] pfkey_add+0x1fb9/0x3470 [ 44.833156] [] ? pfkey_delete+0x360/0x360 [ 44.838914] [] ? pfkey_seq_stop+0x80/0x80 [ 44.844676] [] ? __skb_clone+0x24a/0x7d0 [ 44.850347] [] ? pfkey_delete+0x360/0x360 [ 44.856108] [] pfkey_process+0x61e/0x730 [ 44.861782] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 44.868584] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.875386] [] pfkey_sendmsg+0x3a9/0x760 [ 44.881060] [] ? pfkey_spdget+0x820/0x820 [ 44.886821] [] sock_sendmsg+0xca/0x110 [ 44.892319] [] ___sys_sendmsg+0x6d1/0x7e0 [ 44.898081] [] ? copy_msghdr_from_user+0x550/0x550 [ 44.904621] [] ? __lru_cache_add+0x187/0x250 [ 44.910642] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 44.917708] [] ? _raw_spin_unlock+0x2c/0x50 [ 44.923640] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 44.930703] [] ? handle_mm_fault+0x6ee/0x2530 [ 44.936810] [] ? __fget_light+0x158/0x1e0 [ 44.942569] [] ? __fdget+0x18/0x20 [ 44.947722] [] ? sockfd_lookup_light+0x118/0x160 [ 44.954091] [] __sys_sendmsg+0xd6/0x190 [ 44.959675] [] ? SyS_shutdown+0x1b0/0x1b0 [ 44.965437] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 44.971459] [] compat_SyS_sendmsg+0x2a/0x40 [ 44.977390] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 44.983930] [] do_fast_syscall_32+0x2f7/0x890 [ 44.990037] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.996663] [] entry_SYSENTER_compat+0x51/0x60 [ 45.004722] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 45.013509] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.018923] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 45.026502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.035820] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 45.043755] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 45.051690] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 45.059630] Call Trace: [ 45.062179] [] dump_stack+0xc1/0x128 [ 45.067505] [] check_preemption_disabled+0x1d4/0x200 [ 45.074217] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.080670] [] ipcomp_init_state+0x188/0x930 [ 45.086689] [] ? __lock_is_held+0xa1/0xf0 [ 45.092452] [] ipcomp4_init_state+0xb0/0x7d0 [ 45.098472] [] __xfrm_init_state+0x3e7/0xb30 [ 45.104491] [] xfrm_init_state+0x1a/0x20 [ 45.110164] [] pfkey_add+0x1fb9/0x3470 [ 45.115663] [] ? pfkey_delete+0x360/0x360 [ 45.121421] [] ? pfkey_seq_stop+0x80/0x80 [ 45.127181] [] ? __skb_clone+0x24a/0x7d0 [ 45.132854] [] ? pfkey_delete+0x360/0x360 [ 45.138611] [] pfkey_process+0x61e/0x730 [ 45.144285] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 45.151087] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.157888] [] pfkey_sendmsg+0x3a9/0x760 [ 45.163560] [] ? pfkey_spdget+0x820/0x820 [ 45.169322] [] sock_sendmsg+0xca/0x110 [ 45.174820] [] ___sys_sendmsg+0x6d1/0x7e0 [ 45.180579] [] ? copy_msghdr_from_user+0x550/0x550 [ 45.187120] [] ? __lru_cache_add+0x187/0x250 [ 45.193141] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 45.200207] [] ? _raw_spin_unlock+0x2c/0x50 [ 45.206141] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 45.213205] [] ? handle_mm_fault+0x6ee/0x2530 [ 45.219313] [] ? __fget_light+0x158/0x1e0 [ 45.225075] [] ? __fdget+0x18/0x20 [ 45.230231] [] ? sockfd_lookup_light+0x118/0x160 [ 45.236599] [] __sys_sendmsg+0xd6/0x190 [ 45.242184] [] ? SyS_shutdown+0x1b0/0x1b0 [ 45.247947] [] ? __do_page_fault+0x5ec/0xd40 [ 45.253968] [] compat_SyS_sendmsg+0x2a/0x40 [ 45.259907] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 45.266447] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 45.272556] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.279185] [] entry_SYSENTER_compat+0x51/0x60 [ 45.287216] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 45.295880] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.301325] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 45.308906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.318222] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 45.326162] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 45.334103] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 45.342040] Call Trace: [ 45.344589] [] dump_stack+0xc1/0x128 [ 45.349914] [] check_preemption_disabled+0x1d4/0x200 [ 45.356628] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.363081] [] ipcomp_init_state+0x188/0x930 [ 45.369103] [] ? __lock_is_held+0xa1/0xf0 [ 45.374864] [] ipcomp4_init_state+0xb0/0x7d0 [ 45.380884] [] __xfrm_init_state+0x3e7/0xb30 [ 45.386904] [] xfrm_init_state+0x1a/0x20 [ 45.392579] [] pfkey_add+0x1fb9/0x3470 [ 45.398080] [] ? pfkey_delete+0x360/0x360 [ 45.403842] [] ? pfkey_seq_stop+0x80/0x80 [ 45.409600] [] ? __skb_clone+0x24a/0x7d0 [ 45.415273] [] ? pfkey_delete+0x360/0x360 [ 45.421034] [] pfkey_process+0x61e/0x730 [ 45.426708] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 45.433510] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.440312] [] pfkey_sendmsg+0x3a9/0x760 [ 45.445983] [] ? pfkey_spdget+0x820/0x820 [ 45.451744] [] sock_sendmsg+0xca/0x110 [ 45.457242] [] ___sys_sendmsg+0x6d1/0x7e0 [ 45.463001] [] ? copy_msghdr_from_user+0x550/0x550 [ 45.469543] [] ? __lru_cache_add+0x187/0x250 [ 45.475564] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 45.482625] [] ? _raw_spin_unlock+0x2c/0x50 [ 45.488560] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 45.495621] [] ? handle_mm_fault+0x6ee/0x2530 [ 45.501725] [] ? __fget_light+0x158/0x1e0 [ 45.507483] [] ? __fdget+0x18/0x20 [ 45.512636] [] ? sockfd_lookup_light+0x118/0x160 [ 45.519001] [] __sys_sendmsg+0xd6/0x190 executing program [ 45.524587] [] ? SyS_shutdown+0x1b0/0x1b0 [ 45.530629] [] ? __do_page_fault+0x5ec/0xd40 [ 45.536650] [] compat_SyS_sendmsg+0x2a/0x40 [ 45.542582] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 45.549120] [] do_fast_syscall_32+0x2f7/0x890 [ 45.555225] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.561854] [] entry_SYSENTER_compat+0x51/0x60 [ 45.570028] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 45.578684] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.584121] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 45.591703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.601021] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 45.608966] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 45.616903] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 45.624859] Call Trace: [ 45.627414] [] dump_stack+0xc1/0x128 [ 45.632743] [] check_preemption_disabled+0x1d4/0x200 [ 45.639460] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.645918] [] ipcomp_init_state+0x188/0x930 [ 45.651942] [] ? __lock_is_held+0xa1/0xf0 [ 45.657703] [] ipcomp4_init_state+0xb0/0x7d0 [ 45.663724] [] __xfrm_init_state+0x3e7/0xb30 [ 45.669742] [] xfrm_init_state+0x1a/0x20 [ 45.675413] [] pfkey_add+0x1fb9/0x3470 [ 45.680912] [] ? pfkey_delete+0x360/0x360 [ 45.686671] [] ? pfkey_seq_stop+0x80/0x80 [ 45.692433] [] ? __skb_clone+0x24a/0x7d0 [ 45.698104] [] ? pfkey_delete+0x360/0x360 [ 45.703864] [] pfkey_process+0x61e/0x730 [ 45.709535] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 45.716337] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.723140] [] pfkey_sendmsg+0x3a9/0x760 [ 45.728812] [] ? pfkey_spdget+0x820/0x820 [ 45.734572] [] sock_sendmsg+0xca/0x110 [ 45.740070] [] ___sys_sendmsg+0x6d1/0x7e0 [ 45.745828] [] ? copy_msghdr_from_user+0x550/0x550 [ 45.752368] [] ? __lru_cache_add+0x187/0x250 [ 45.758387] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 45.765453] [] ? _raw_spin_unlock+0x2c/0x50 [ 45.771387] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 45.778448] [] ? handle_mm_fault+0x6ee/0x2530 [ 45.784555] [] ? __fget_light+0x158/0x1e0 [ 45.790314] [] ? __fdget+0x18/0x20 [ 45.795465] [] ? sockfd_lookup_light+0x118/0x160 [ 45.801832] [] __sys_sendmsg+0xd6/0x190 [ 45.807418] [] ? SyS_shutdown+0x1b0/0x1b0 [ 45.813179] [] ? __do_page_fault+0x5ec/0xd40 [ 45.819202] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 45.825137] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 45.831680] [] do_fast_syscall_32+0x2f7/0x890 [ 45.837788] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.844417] [] entry_SYSENTER_compat+0x51/0x60 [ 45.852384] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 45.861050] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.866465] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 45.874045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.883361] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 45.891299] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 45.899239] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 45.907176] Call Trace: [ 45.909725] [] dump_stack+0xc1/0x128 [ 45.915050] [] check_preemption_disabled+0x1d4/0x200 [ 45.921766] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.928220] [] ipcomp_init_state+0x188/0x930 [ 45.934242] [] ? __lock_is_held+0xa1/0xf0 [ 45.940004] [] ipcomp4_init_state+0xb0/0x7d0 [ 45.946023] [] __xfrm_init_state+0x3e7/0xb30 [ 45.952041] [] xfrm_init_state+0x1a/0x20 [ 45.957713] [] pfkey_add+0x1fb9/0x3470 [ 45.963213] [] ? pfkey_delete+0x360/0x360 [ 45.968971] [] ? pfkey_seq_stop+0x80/0x80 [ 45.974730] [] ? __skb_clone+0x24a/0x7d0 [ 45.980401] [] ? pfkey_delete+0x360/0x360 [ 45.986161] [] pfkey_process+0x61e/0x730 [ 45.991833] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 45.998635] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.005435] [] pfkey_sendmsg+0x3a9/0x760 [ 46.011109] [] ? pfkey_spdget+0x820/0x820 [ 46.016868] [] sock_sendmsg+0xca/0x110 [ 46.022366] [] ___sys_sendmsg+0x6d1/0x7e0 [ 46.028124] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.034668] [] ? __lru_cache_add+0x187/0x250 [ 46.040689] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 46.047752] [] ? _raw_spin_unlock+0x2c/0x50 [ 46.053685] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 46.060748] [] ? handle_mm_fault+0x6ee/0x2530 [ 46.066854] [] ? __fget_light+0x158/0x1e0 [ 46.072613] [] ? __fdget+0x18/0x20 [ 46.077764] [] ? sockfd_lookup_light+0x118/0x160 [ 46.084129] [] __sys_sendmsg+0xd6/0x190 [ 46.089713] [] ? SyS_shutdown+0x1b0/0x1b0 [ 46.095473] [] ? __do_page_fault+0x5ec/0xd40 [ 46.101493] [] compat_SyS_sendmsg+0x2a/0x40 [ 46.107424] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 46.113972] [] do_fast_syscall_32+0x2f7/0x890 [ 46.120085] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 46.126714] [] entry_SYSENTER_compat+0x51/0x60 [ 46.134810] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 46.143471] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.148887] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 46.156469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.165786] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 46.173729] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 46.181671] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 46.189614] Call Trace: [ 46.192164] [] dump_stack+0xc1/0x128 [ 46.197492] [] check_preemption_disabled+0x1d4/0x200 [ 46.204205] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.210661] [] ipcomp_init_state+0x188/0x930 [ 46.216681] [] ? __lock_is_held+0xa1/0xf0 [ 46.222443] [] ipcomp4_init_state+0xb0/0x7d0 [ 46.228467] [] __xfrm_init_state+0x3e7/0xb30 [ 46.234487] [] xfrm_init_state+0x1a/0x20 [ 46.240160] [] pfkey_add+0x1fb9/0x3470 [ 46.245658] [] ? pfkey_delete+0x360/0x360 [ 46.251424] [] ? pfkey_seq_stop+0x80/0x80 [ 46.257182] [] ? __skb_clone+0x24a/0x7d0 [ 46.262855] [] ? pfkey_delete+0x360/0x360 [ 46.268616] [] pfkey_process+0x61e/0x730 [ 46.274291] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 46.281091] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.287895] [] pfkey_sendmsg+0x3a9/0x760 [ 46.293569] [] ? pfkey_spdget+0x820/0x820 [ 46.299330] [] sock_sendmsg+0xca/0x110 [ 46.304829] [] ___sys_sendmsg+0x6d1/0x7e0 [ 46.310587] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.317130] [] ? __lru_cache_add+0x187/0x250 [ 46.323152] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 46.330215] [] ? _raw_spin_unlock+0x2c/0x50 [ 46.336148] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 46.343212] [] ? handle_mm_fault+0x6ee/0x2530 [ 46.349318] [] ? __fget_light+0x158/0x1e0 [ 46.355075] [] ? __fdget+0x18/0x20 [ 46.360227] [] ? sockfd_lookup_light+0x118/0x160 [ 46.366600] [] __sys_sendmsg+0xd6/0x190 [ 46.372188] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 46.377948] [] ? __do_page_fault+0x5ec/0xd40 [ 46.383970] [] compat_SyS_sendmsg+0x2a/0x40 [ 46.389902] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 46.396444] [] do_fast_syscall_32+0x2f7/0x890 [ 46.402548] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.409175] [] entry_SYSENTER_compat+0x51/0x60 [ 46.417095] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 46.425770] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.431207] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 46.438787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.448104] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 46.456044] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 46.463981] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 46.471917] Call Trace: [ 46.474466] [] dump_stack+0xc1/0x128 [ 46.479794] [] check_preemption_disabled+0x1d4/0x200 [ 46.486507] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.492963] [] ipcomp_init_state+0x188/0x930 [ 46.498985] [] ? __lock_is_held+0xa1/0xf0 [ 46.504746] [] ipcomp4_init_state+0xb0/0x7d0 [ 46.510768] [] __xfrm_init_state+0x3e7/0xb30 [ 46.516787] [] xfrm_init_state+0x1a/0x20 [ 46.522464] [] pfkey_add+0x1fb9/0x3470 [ 46.527964] [] ? pfkey_delete+0x360/0x360 [ 46.533723] [] ? pfkey_seq_stop+0x80/0x80 [ 46.539480] [] ? __skb_clone+0x24a/0x7d0 [ 46.545153] [] ? pfkey_delete+0x360/0x360 [ 46.550912] [] pfkey_process+0x61e/0x730 [ 46.556586] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 46.563388] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.570189] [] pfkey_sendmsg+0x3a9/0x760 [ 46.575864] [] ? pfkey_spdget+0x820/0x820 [ 46.581625] [] sock_sendmsg+0xca/0x110 [ 46.587124] [] ___sys_sendmsg+0x6d1/0x7e0 [ 46.592883] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.599424] [] ? __lru_cache_add+0x187/0x250 [ 46.605445] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 46.612507] [] ? _raw_spin_unlock+0x2c/0x50 [ 46.618440] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 46.625505] [] ? handle_mm_fault+0x6ee/0x2530 [ 46.631610] [] ? __fget_light+0x158/0x1e0 [ 46.637367] [] ? __fdget+0x18/0x20 [ 46.642518] [] ? sockfd_lookup_light+0x118/0x160 [ 46.648883] [] __sys_sendmsg+0xd6/0x190 [ 46.654468] [] ? SyS_shutdown+0x1b0/0x1b0 [ 46.660229] [] ? __do_page_fault+0x5ec/0xd40 [ 46.666250] [] compat_SyS_sendmsg+0x2a/0x40 [ 46.672182] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 46.678726] [] do_fast_syscall_32+0x2f7/0x890 [ 46.684831] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.691460] [] entry_SYSENTER_compat+0x51/0x60 [ 46.699393] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 46.708055] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.713481] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 46.721063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.730379] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 46.738324] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 46.746268] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 46.754205] Call Trace: [ 46.756757] [] dump_stack+0xc1/0x128 [ 46.762083] [] check_preemption_disabled+0x1d4/0x200 [ 46.768799] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.775253] [] ipcomp_init_state+0x188/0x930 [ 46.781276] [] ? __lock_is_held+0xa1/0xf0 [ 46.787037] [] ipcomp4_init_state+0xb0/0x7d0 [ 46.793057] [] __xfrm_init_state+0x3e7/0xb30 [ 46.799075] [] xfrm_init_state+0x1a/0x20 [ 46.804747] [] pfkey_add+0x1fb9/0x3470 [ 46.810244] [] ? pfkey_delete+0x360/0x360 [ 46.816003] [] ? pfkey_seq_stop+0x80/0x80 [ 46.821763] [] ? __skb_clone+0x24a/0x7d0 [ 46.827436] [] ? pfkey_delete+0x360/0x360 [ 46.833198] [] pfkey_process+0x61e/0x730 [ 46.838872] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 46.845672] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.852475] [] pfkey_sendmsg+0x3a9/0x760 [ 46.858145] [] ? pfkey_spdget+0x820/0x820 [ 46.863904] [] sock_sendmsg+0xca/0x110 [ 46.869403] [] ___sys_sendmsg+0x6d1/0x7e0 [ 46.875162] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.881705] [] ? __lru_cache_add+0x187/0x250 [ 46.887724] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 46.894784] [] ? _raw_spin_unlock+0x2c/0x50 [ 46.900717] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 46.907781] [] ? handle_mm_fault+0x6ee/0x2530 [ 46.913886] [] ? __fget_light+0x158/0x1e0 [ 46.919643] [] ? __fdget+0x18/0x20 [ 46.924795] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 46.931162] [] __sys_sendmsg+0xd6/0x190 [ 46.936747] [] ? SyS_shutdown+0x1b0/0x1b0 [ 46.942511] [] ? __do_page_fault+0x5ec/0xd40 [ 46.948530] [] compat_SyS_sendmsg+0x2a/0x40 [ 46.954461] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 46.961003] [] do_fast_syscall_32+0x2f7/0x890 [ 46.967107] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.973736] [] entry_SYSENTER_compat+0x51/0x60 [ 46.981763] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 46.990423] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.995837] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 47.003416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.012733] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 47.020671] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 47.028612] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 47.036547] Call Trace: [ 47.039097] [] dump_stack+0xc1/0x128 [ 47.044424] [] check_preemption_disabled+0x1d4/0x200 [ 47.051136] [] __this_cpu_preempt_check+0x1c/0x20 [ 47.057591] [] ipcomp_init_state+0x188/0x930 [ 47.063611] [] ? __lock_is_held+0xa1/0xf0 [ 47.069370] [] ipcomp4_init_state+0xb0/0x7d0 [ 47.075393] [] __xfrm_init_state+0x3e7/0xb30 [ 47.081411] [] xfrm_init_state+0x1a/0x20 [ 47.087086] [] pfkey_add+0x1fb9/0x3470 [ 47.092587] [] ? pfkey_delete+0x360/0x360 [ 47.098347] [] ? pfkey_seq_stop+0x80/0x80 [ 47.104110] [] ? __skb_clone+0x24a/0x7d0 [ 47.109784] [] ? pfkey_delete+0x360/0x360 [ 47.115543] [] pfkey_process+0x61e/0x730 [ 47.121216] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 47.128019] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.134820] [] pfkey_sendmsg+0x3a9/0x760 [ 47.140493] [] ? pfkey_spdget+0x820/0x820 [ 47.146253] [] sock_sendmsg+0xca/0x110 [ 47.151752] [] ___sys_sendmsg+0x6d1/0x7e0 [ 47.157513] [] ? copy_msghdr_from_user+0x550/0x550 [ 47.164056] [] ? __lru_cache_add+0x187/0x250 [ 47.170077] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 47.177141] [] ? _raw_spin_unlock+0x2c/0x50 [ 47.183077] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 47.190155] [] ? handle_mm_fault+0x6ee/0x2530 [ 47.196283] [] ? __fget_light+0x158/0x1e0 [ 47.202050] [] ? __fdget+0x18/0x20 [ 47.207204] [] ? sockfd_lookup_light+0x118/0x160 [ 47.213576] [] __sys_sendmsg+0xd6/0x190 [ 47.219166] [] ? SyS_shutdown+0x1b0/0x1b0 [ 47.224928] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 47.230960] [] compat_SyS_sendmsg+0x2a/0x40 [ 47.236894] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 47.243435] [] do_fast_syscall_32+0x2f7/0x890 [ 47.249541] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.256171] [] entry_SYSENTER_compat+0x51/0x60 [ 47.264586] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller765211/3337 [ 47.273253] caller is __this_cpu_preempt_check+0x1c/0x20 [ 47.278671] CPU: 0 PID: 3337 Comm: syzkaller765211 Not tainted 4.9.68-gfb66dc2 #3 [ 47.286250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.295566] ffff8801c504f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 47.303510] ffffffff83f42ec0 ffff8801c5433000 0000000000000003 ffff8801c504f6a8 [ 47.311448] ffffffff81df7854 ffff8801c504f6c0 ffffffff83f42ec0 dffffc0000000000 [ 47.319385] Call Trace: [ 47.321936] [] dump_stack+0xc1/0x128 [ 47.327263] [] check_preemption_disabled+0x1d4/0x200 [ 47.333977] [] __this_cpu_preempt_check+0x1c/0x20 [ 47.340433] [] ipcomp_init_state+0x188/0x930 [ 47.346453] [] ? __lock_is_held+0xa1/0xf0 [ 47.352213] [] ipcomp4_init_state+0xb0/0x7d0 [ 47.358231] [] __xfrm_init_state+0x3e7/0xb30 [ 47.364249] [] xfrm_init_state+0x1a/0x20 [ 47.369923] [] pfkey_add+0x1fb9/0x3470 [ 47.375422] [] ? pfkey_delete+0x360/0x360 [ 47.381180] [] ? pfkey_seq_stop+0x80/0x80 [ 47.386939] [] ? __skb_clone+0x24a/0x7d0 [ 47.392610] [] ? pfkey_delete+0x360/0x360 [ 47.398368] [] pfkey_process+0x61e/0x730 [ 47.404046] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 47.410852] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.417658] [] pfkey_sendmsg+0x3a9/0x760 [ 47.423331] [] ? pfkey_spdget+0x820/0x820 [ 47.429090] [] sock_sendmsg+0xca/0x110 [ 47.434588] [] ___sys_sendmsg+0x6d1/0x7e0 [ 47.440346] [] ? copy_msghdr_from_user+0x550/0x550 [ 47.446889] [] ? __lru_cache_add+0x187/0x250 [ 47.452908] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 47.459971] [] ? _raw_spin_unlock+0x2c/0x50 [ 47.465904] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 47.472968] [] ? handle_mm_fault+0x6ee/0x2530 [ 47.479075] [] ? __fget_light+0x158/0x1e0 [ 47.484844] [] ? __fdget+0x18/0x20 [ 47.489996] [] ? sockfd_lookup_light+0x118/0x160 [ 47.496362] [] __sys_sendmsg+0xd6/0x190 [ 47.501947] [] ? SyS_shutdown+0x1b0/0x1b0 [ 47.507707] [] ? __do_page_fault+0x5ec/0xd40 [ 47.513728] [] compat_SyS_sendmsg+0x2a/0x40 [ 47.519662] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 47.526203] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.532307] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.538935] [] entry_SYSENTER_compat+0x51/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program