[....] Starting enhanced syslogd: rsyslogd[ 11.821057] audit: type=1400 audit(1513051406.044:4): avc: denied { syslog } for pid=3154 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-1,10.128.0.22' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 40.883143] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 40.891864] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.897295] CPU: 1 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 40.905056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.914381] ffff8801d5f676d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 40.922343] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 40.930290] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 40.938250] Call Trace: [ 40.940806] [] dump_stack+0xc1/0x128 [ 40.946136] [] check_preemption_disabled+0x1d4/0x200 [ 40.952853] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.959311] [] ipcomp_init_state+0x188/0x930 [ 40.965336] [] ? __lock_is_held+0xa1/0xf0 [ 40.971100] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.977122] [] __xfrm_init_state+0x3e7/0xb30 [ 40.983152] [] xfrm_init_state+0x1a/0x20 [ 40.988828] [] pfkey_add+0x1fb9/0x3470 [ 40.994331] [] ? pfkey_delete+0x360/0x360 [ 41.000092] [] ? pfkey_seq_stop+0x80/0x80 [ 41.005856] [] ? __skb_clone+0x24a/0x7d0 [ 41.011531] [] ? pfkey_delete+0x360/0x360 [ 41.017294] [] pfkey_process+0x61e/0x730 [ 41.022968] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.029771] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.036574] [] pfkey_sendmsg+0x3a9/0x760 [ 41.042250] [] ? pfkey_spdget+0x820/0x820 [ 41.048015] [] sock_sendmsg+0xca/0x110 [ 41.053517] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.059280] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.065824] [] ? __lru_cache_add+0x187/0x250 [ 41.071846] [] ? lru_cache_add+0xd9/0x1e0 [ 41.077608] [] ? handle_mm_fault+0xb12/0x2530 [ 41.083719] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.089655] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.095763] [] ? __lock_is_held+0xa1/0xf0 [ 41.101525] [] ? __pmd_alloc+0x410/0x410 [ 41.107200] [] ? __fget_light+0x158/0x1e0 [ 41.112962] [] ? __fdget+0x18/0x20 [ 41.118119] [] __sys_sendmsg+0xd6/0x190 [ 41.123705] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 41.129467] [] ? __do_page_fault+0x5ec/0xd40 [ 41.135488] [] ? __do_page_fault+0x3bd/0xd40 [ 41.141522] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.148328] [] SyS_sendmsg+0x2d/0x50 [ 41.153669] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 41.161739] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 41.170408] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.175931] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 41.183689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.193012] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 41.200966] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 41.208914] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 41.216859] Call Trace: [ 41.219411] [] dump_stack+0xc1/0x128 [ 41.224751] [] check_preemption_disabled+0x1d4/0x200 [ 41.231468] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.237926] [] ipcomp_init_state+0x188/0x930 [ 41.243959] [] ? __lock_is_held+0xa1/0xf0 [ 41.249724] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.255747] [] __xfrm_init_state+0x3e7/0xb30 [ 41.261766] [] xfrm_init_state+0x1a/0x20 [ 41.267441] [] pfkey_add+0x1fb9/0x3470 [ 41.272941] [] ? pfkey_delete+0x360/0x360 [ 41.278704] [] ? pfkey_seq_stop+0x80/0x80 [ 41.284470] [] ? __skb_clone+0x24a/0x7d0 [ 41.290146] [] ? pfkey_delete+0x360/0x360 [ 41.296265] [] pfkey_process+0x61e/0x730 [ 41.301941] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.308744] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.315545] [] pfkey_sendmsg+0x3a9/0x760 [ 41.321218] [] ? pfkey_spdget+0x820/0x820 [ 41.326991] [] sock_sendmsg+0xca/0x110 [ 41.332491] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.338251] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.344795] [] ? __lru_cache_add+0x187/0x250 [ 41.350814] [] ? lru_cache_add+0xd9/0x1e0 [ 41.356577] [] ? handle_mm_fault+0xb12/0x2530 [ 41.362692] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.368625] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.374732] [] ? __lock_is_held+0xa1/0xf0 [ 41.380492] [] ? __pmd_alloc+0x410/0x410 [ 41.386166] [] ? __fget_light+0x158/0x1e0 [ 41.391927] [] ? __fdget+0x18/0x20 [ 41.397083] [] __sys_sendmsg+0xd6/0x190 [ 41.402671] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.408433] [] ? __do_page_fault+0x5ec/0xd40 [ 41.414454] [] ? __do_page_fault+0x3bd/0xd40 [ 41.420476] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.427279] [] SyS_sendmsg+0x2d/0x50 executing program [ 41.432712] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 41.441002] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 41.449666] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.455127] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 41.462890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.472208] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 41.480159] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 41.488110] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 41.496053] Call Trace: [ 41.498607] [] dump_stack+0xc1/0x128 [ 41.503938] [] check_preemption_disabled+0x1d4/0x200 [ 41.510653] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.517110] [] ipcomp_init_state+0x188/0x930 [ 41.523132] [] ? __lock_is_held+0xa1/0xf0 [ 41.528896] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.534917] [] __xfrm_init_state+0x3e7/0xb30 [ 41.540936] [] xfrm_init_state+0x1a/0x20 [ 41.546610] [] pfkey_add+0x1fb9/0x3470 [ 41.552110] [] ? pfkey_delete+0x360/0x360 [ 41.557869] [] ? pfkey_seq_stop+0x80/0x80 [ 41.563631] [] ? __skb_clone+0x24a/0x7d0 [ 41.569307] [] ? pfkey_delete+0x360/0x360 [ 41.575071] [] pfkey_process+0x61e/0x730 [ 41.580746] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.587548] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.594355] [] pfkey_sendmsg+0x3a9/0x760 [ 41.600031] [] ? pfkey_spdget+0x820/0x820 [ 41.605793] [] sock_sendmsg+0xca/0x110 [ 41.611292] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.617055] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.623602] [] ? __lru_cache_add+0x187/0x250 [ 41.629623] [] ? lru_cache_add+0xd9/0x1e0 [ 41.635385] [] ? handle_mm_fault+0xb12/0x2530 [ 41.641496] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.647443] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.653556] [] ? __lock_is_held+0xa1/0xf0 [ 41.659333] [] ? __pmd_alloc+0x410/0x410 [ 41.665009] [] ? __fget_light+0x158/0x1e0 [ 41.670767] [] ? __fdget+0x18/0x20 [ 41.675923] [] __sys_sendmsg+0xd6/0x190 executing program [ 41.681508] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.687271] [] ? __do_page_fault+0x5ec/0xd40 [ 41.693291] [] ? __do_page_fault+0x3bd/0xd40 [ 41.699314] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.706133] [] SyS_sendmsg+0x2d/0x50 [ 41.711463] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 41.719634] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 41.728296] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.733734] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 41.741492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.750811] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 41.758761] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 41.766707] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 41.774656] Call Trace: [ 41.777207] [] dump_stack+0xc1/0x128 [ 41.782536] [] check_preemption_disabled+0x1d4/0x200 [ 41.789254] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.795709] [] ipcomp_init_state+0x188/0x930 [ 41.801731] [] ? __lock_is_held+0xa1/0xf0 [ 41.807511] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.813536] [] __xfrm_init_state+0x3e7/0xb30 [ 41.819560] [] xfrm_init_state+0x1a/0x20 [ 41.825239] [] pfkey_add+0x1fb9/0x3470 [ 41.830741] [] ? pfkey_delete+0x360/0x360 [ 41.836509] [] ? pfkey_seq_stop+0x80/0x80 [ 41.842274] [] ? __skb_clone+0x24a/0x7d0 [ 41.847949] [] ? pfkey_delete+0x360/0x360 [ 41.853709] [] pfkey_process+0x61e/0x730 [ 41.859384] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.866189] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.872992] [] pfkey_sendmsg+0x3a9/0x760 [ 41.878670] [] ? pfkey_spdget+0x820/0x820 [ 41.884430] [] sock_sendmsg+0xca/0x110 [ 41.889932] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.895695] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.902237] [] ? __lru_cache_add+0x187/0x250 [ 41.908261] [] ? lru_cache_add+0xd9/0x1e0 [ 41.914024] [] ? handle_mm_fault+0xb12/0x2530 [ 41.920141] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.926083] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.932194] [] ? __lock_is_held+0xa1/0xf0 [ 41.937954] [] ? __pmd_alloc+0x410/0x410 [ 41.943630] [] ? __fget_light+0x158/0x1e0 [ 41.949405] [] ? __fdget+0x18/0x20 [ 41.954566] [] __sys_sendmsg+0xd6/0x190 [ 41.960155] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.965916] [] ? __do_page_fault+0x5ec/0xd40 [ 41.971939] [] ? __do_page_fault+0x3bd/0xd40 [ 41.977963] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 41.984767] [] SyS_sendmsg+0x2d/0x50 [ 41.990100] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 41.998181] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.006859] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.012300] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 42.020073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.029398] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.037361] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.045321] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.053271] Call Trace: [ 42.055830] [] dump_stack+0xc1/0x128 [ 42.061162] [] check_preemption_disabled+0x1d4/0x200 [ 42.067880] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.074353] [] ipcomp_init_state+0x188/0x930 [ 42.080379] [] ? __lock_is_held+0xa1/0xf0 [ 42.086141] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.092167] [] __xfrm_init_state+0x3e7/0xb30 [ 42.098187] [] xfrm_init_state+0x1a/0x20 [ 42.103864] [] pfkey_add+0x1fb9/0x3470 [ 42.109365] [] ? pfkey_delete+0x360/0x360 [ 42.115125] [] ? pfkey_seq_stop+0x80/0x80 [ 42.120887] [] ? __skb_clone+0x24a/0x7d0 [ 42.126559] [] ? pfkey_delete+0x360/0x360 [ 42.132318] [] pfkey_process+0x61e/0x730 [ 42.137990] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.144794] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.151598] [] pfkey_sendmsg+0x3a9/0x760 [ 42.157275] [] ? pfkey_spdget+0x820/0x820 [ 42.163048] [] sock_sendmsg+0xca/0x110 [ 42.168550] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.174314] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.180861] [] ? __lru_cache_add+0x187/0x250 [ 42.186883] [] ? lru_cache_add+0xd9/0x1e0 [ 42.192646] [] ? handle_mm_fault+0xb12/0x2530 [ 42.198754] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.204687] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.210795] [] ? __lock_is_held+0xa1/0xf0 [ 42.216556] [] ? __pmd_alloc+0x410/0x410 [ 42.222231] [] ? __fget_light+0x158/0x1e0 [ 42.227990] [] ? __fdget+0x18/0x20 [ 42.233145] [] __sys_sendmsg+0xd6/0x190 executing program [ 42.238732] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.244493] [] ? __do_page_fault+0x5ec/0xd40 [ 42.250516] [] ? __do_page_fault+0x3bd/0xd40 [ 42.256538] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.263341] [] SyS_sendmsg+0x2d/0x50 [ 42.268676] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.276659] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.285322] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.290756] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 42.298514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.307832] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.315784] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.323734] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.331679] Call Trace: [ 42.334234] [] dump_stack+0xc1/0x128 [ 42.339562] [] check_preemption_disabled+0x1d4/0x200 [ 42.346279] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.352735] [] ipcomp_init_state+0x188/0x930 [ 42.358758] [] ? __lock_is_held+0xa1/0xf0 [ 42.364533] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.370557] [] __xfrm_init_state+0x3e7/0xb30 [ 42.376579] [] xfrm_init_state+0x1a/0x20 [ 42.382265] [] pfkey_add+0x1fb9/0x3470 [ 42.387769] [] ? pfkey_delete+0x360/0x360 [ 42.393531] [] ? pfkey_seq_stop+0x80/0x80 [ 42.399293] [] ? __skb_clone+0x24a/0x7d0 [ 42.404966] [] ? pfkey_delete+0x360/0x360 [ 42.410731] [] pfkey_process+0x61e/0x730 [ 42.416407] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.423211] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.430023] [] 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 [ 42.435707] [] ? pfkey_spdget+0x820/0x820 [ 42.441473] [] sock_sendmsg+0xca/0x110 [ 42.446993] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.452770] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.452776] [] ? __lru_cache_add+0x187/0x250 [ 42.452779] [] ? lru_cache_add+0xd9/0x1e0 [ 42.452786] [] ? handle_mm_fault+0xb12/0x2530 [ 42.452796] [] ? _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 [ 42.452800] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.452805] [] ? __lock_is_held+0xa1/0xf0 [ 42.452809] [] ? __pmd_alloc+0x410/0x410 [ 42.452813] [] ? __fget_light+0x158/0x1e0 [ 42.452816] [] ? __fdget+0x18/0x20 [ 42.452820] [] __sys_sendmsg+0xd6/0x190 [ 42.452823] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.452834] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.452837] [] ? __do_page_fault+0x3bd/0xd40 [ 42.452842] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.452845] [] SyS_sendmsg+0x2d/0x50 [ 42.452850] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.454421] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.454428] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.454433] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.454435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.454442] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.454447] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.454451] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.454452] Call Trace: [ 42.454458] [] dump_stack+0xc1/0x128 [ 42.454462] [] 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 [ 42.454465] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.454470] [] ipcomp_init_state+0x188/0x930 [ 42.454475] [] ? __lock_is_held+0xa1/0xf0 [ 42.454481] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.454486] [] __xfrm_init_state+0x3e7/0xb30 [ 42.454494] [] xfrm_init_state+0x1a/0x20 [ 42.454499] [] pfkey_add+0x1fb9/0x3470 [ 42.454503] [] ? pfkey_delete+0x360/0x360 [ 42.454506] [] ? 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 executing program executing program executing program executing program executing program executing program executing program [ 42.454511] [] ? __skb_clone+0x24a/0x7d0 [ 42.454514] [] ? pfkey_delete+0x360/0x360 [ 42.454518] [] pfkey_process+0x61e/0x730 [ 42.454522] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.454526] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.454530] [] pfkey_sendmsg+0x3a9/0x760 [ 42.454534] [] ? pfkey_spdget+0x820/0x820 [ 42.454539] [] 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 [ 42.454542] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.454546] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.454551] [] ? __lru_cache_add+0x187/0x250 [ 42.454554] [] ? lru_cache_add+0xd9/0x1e0 [ 42.454560] [] ? handle_mm_fault+0xb12/0x2530 [ 42.454565] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.454569] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.454573] [] ? __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 executing program executing program executing program executing program executing program executing program [ 42.454576] [] ? __pmd_alloc+0x410/0x410 [ 42.454580] [] ? __fget_light+0x158/0x1e0 [ 42.454582] [] ? __fdget+0x18/0x20 [ 42.454586] [] __sys_sendmsg+0xd6/0x190 [ 42.454590] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.454595] [] ? __do_page_fault+0x5ec/0xd40 [ 42.454598] [] ? __do_page_fault+0x3bd/0xd40 [ 42.454602] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.454606] [] SyS_sendmsg+0x2d/0x50 [ 42.454610] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.455500] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.455512] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.455515] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 42.455517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.455529] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.455533] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.455538] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.455542] Call Trace: [ 42.455551] [] dump_stack+0xc1/0x128 [ 42.455556] [] check_preemption_disabled+0x1d4/0x200 [ 42.455560] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.455564] [] ipcomp_init_state+0x188/0x930 [ 42.455569] [] ? __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 executing program executing program [ 42.455574] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.455578] [] __xfrm_init_state+0x3e7/0xb30 [ 42.455582] [] xfrm_init_state+0x1a/0x20 [ 42.455586] [] pfkey_add+0x1fb9/0x3470 [ 42.455590] [] ? pfkey_delete+0x360/0x360 [ 42.455594] [] ? pfkey_seq_stop+0x80/0x80 [ 42.455598] [] ? __skb_clone+0x24a/0x7d0 [ 42.455602] [] ? pfkey_delete+0x360/0x360 [ 42.455605] [] pfkey_process+0x61e/0x730 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.455610] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.455614] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.455618] [] pfkey_sendmsg+0x3a9/0x760 [ 42.455622] [] ? pfkey_spdget+0x820/0x820 [ 42.455625] [] sock_sendmsg+0xca/0x110 [ 42.455629] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.455633] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.455637] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.455641] [] ? lru_cache_add+0xd9/0x1e0 [ 42.455646] [] ? handle_mm_fault+0xb12/0x2530 [ 42.455650] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.455654] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.455660] [] ? __lock_is_held+0xa1/0xf0 [ 42.455664] [] ? __pmd_alloc+0x410/0x410 [ 42.455667] [] ? __fget_light+0x158/0x1e0 [ 42.455674] [] ? __fdget+0x18/0x20 [ 42.455680] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.455684] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.455689] [] ? __do_page_fault+0x5ec/0xd40 [ 42.455699] [] ? __do_page_fault+0x3bd/0xd40 [ 42.455704] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.455707] [] SyS_sendmsg+0x2d/0x50 [ 42.455720] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.456346] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.456351] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.456354] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 42.456356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.456362] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.456367] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.456371] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.456372] Call Trace: [ 42.456376] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.456380] [] check_preemption_disabled+0x1d4/0x200 [ 42.456384] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.456387] [] ipcomp_init_state+0x188/0x930 [ 42.456391] [] ? __lock_is_held+0xa1/0xf0 [ 42.456395] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.456399] [] __xfrm_init_state+0x3e7/0xb30 [ 42.456403] [] xfrm_init_state+0x1a/0x20 [ 42.456407] [] 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 [ 42.456411] [] ? pfkey_delete+0x360/0x360 [ 42.456415] [] ? pfkey_seq_stop+0x80/0x80 [ 42.456418] [] ? __skb_clone+0x24a/0x7d0 [ 42.456422] [] ? pfkey_delete+0x360/0x360 [ 42.456426] [] pfkey_process+0x61e/0x730 [ 42.456430] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.456434] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.456438] [] pfkey_sendmsg+0x3a9/0x760 [ 42.456441] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.456445] [] sock_sendmsg+0xca/0x110 [ 42.456448] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.456452] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.456456] [] ? __lru_cache_add+0x187/0x250 [ 42.456460] [] ? lru_cache_add+0xd9/0x1e0 [ 42.456464] [] ? handle_mm_fault+0xb12/0x2530 [ 42.456468] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.456472] [] ? handle_mm_fault+0x6ee/0x2530 executing program [ 42.456475] [] ? __lock_is_held+0xa1/0xf0 [ 42.456479] [] ? __pmd_alloc+0x410/0x410 [ 42.456482] [] ? __fget_light+0x158/0x1e0 [ 42.456485] [] ? __fdget+0x18/0x20 [ 42.456489] [] __sys_sendmsg+0xd6/0x190 [ 42.456497] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.456501] [] ? __do_page_fault+0x5ec/0xd40 [ 42.456505] [] ? __do_page_fault+0x3bd/0xd40 [ 42.456509] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 42.456513] [] SyS_sendmsg+0x2d/0x50 [ 42.456517] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.456975] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller251138/3322 [ 42.456979] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.456982] CPU: 0 PID: 3322 Comm: syzkaller251138 Not tainted 4.9.68-gfb66dc2 #107 [ 42.456984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.456989] ffff8801d5f676d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 executing program executing program [ 42.456994] ffffffff83f42ec0 ffff8801d555c800 0000000000000003 ffff8801d5f67718 [ 42.456998] ffffffff81df7854 ffff8801d5f67730 ffffffff83f42ec0 dffffc0000000000 [ 42.456999] Call Trace: [ 42.457003] [] dump_stack+0xc1/0x128 [ 42.457007] [] check_preemption_disabled+0x1d4/0x200 [ 42.457011] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.457014] [] ipcomp_init_state+0x188/0x930 [ 42.457018] [] ? __lock_is_held+0xa1/0xf0 executing program [ 42.457023] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.457026] [] __xfrm_init_state+0x3e7/0xb30 [ 42.457030] [] xfrm_init_state+0x1a/0x20 [ 42.457034] [] pfkey_add+0x1fb9/0x3470 [ 42.457038] [] ? pfkey_delete+0x360/0x360 [ 42.457041] [] ? pfkey_seq_stop+0x80/0x80 [ 42.457045] [] ? __skb_clone+0x24a/0x7d0 [ 42.457049] [] ? pfkey_delete+0x360/0x360 [ 42.457052] [] pfkey_process+0x61e/0x730 executing program [ 42.457056] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.457060] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.457064] [] pfkey_sendmsg+0x3a9/0x760 [ 42.457068] [] ? pfkey_spdget+0x820/0x820 [ 42.457072] [] sock_sendmsg+0xca/0x110 [ 42.457075] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.457079] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.457083] [] ? __lru_cache_add+0x187/0x250 executing program [ 42.457086] [] ? lru_cache_add+0xd9/0x1e0 [ 42.457090] [] ? handle_mm_fault+0xb12/0x2530 [ 42.457094] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.457098] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.457101] [] ? __lock_is_held+0xa1/0xf0 [ 42.457105] [] ? __pmd_alloc+0x410/0x410 [ 42.457108] [] ? __fget_light+0x158/0x1e0 [ 42.457111] [] ? __fdget+0x18/0x20 [ 42.457115] [] __sys_sendmsg+0xd6/0x190 executing program executing program [ 42.457118] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.457122] [] ? __do_page_fault+0x5ec/0xd40 [ 42.457126] [] ? __do_page_fault+0x3bd/0xd40 [ 42.457130] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.457134] [] SyS_sendmsg+0x2d/0x50 [ 42.457138] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program