[....] Starting enhanced syslogd: rsyslogd[ 12.548647] audit: type=1400 audit(1513053070.658:4): avc: denied { syslog } for pid=3189 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 'ci-android-49-kasan-gce-386-4,10.128.0.11' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.081962] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3365 [ 35.090844] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.096272] CPU: 1 PID: 3365 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 35.103857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.113177] ffff8801d6f77668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 35.121125] ffffffff83f42ec0 ffff8801d6f5b000 0000000000000003 ffff8801d6f776a8 [ 35.129073] ffffffff81df7854 ffff8801d6f776c0 ffffffff83f42ec0 dffffc0000000000 [ 35.137031] Call Trace: [ 35.139586] [] dump_stack+0xc1/0x128 [ 35.144916] [] check_preemption_disabled+0x1d4/0x200 [ 35.151635] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.158094] [] ipcomp_init_state+0x188/0x930 [ 35.164120] [] ? __lock_is_held+0xa1/0xf0 [ 35.169899] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.175925] [] __xfrm_init_state+0x3e7/0xb30 [ 35.181948] [] xfrm_init_state+0x1a/0x20 [ 35.187625] [] pfkey_add+0x1fb9/0x3470 [ 35.193129] [] ? pfkey_delete+0x360/0x360 [ 35.198891] [] ? pfkey_seq_stop+0x80/0x80 [ 35.204656] [] ? __skb_clone+0x24a/0x7d0 [ 35.210331] [] ? pfkey_delete+0x360/0x360 [ 35.216093] [] pfkey_process+0x61e/0x730 [ 35.221770] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.228574] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.235386] [] pfkey_sendmsg+0x3a9/0x760 [ 35.241063] [] ? pfkey_spdget+0x820/0x820 [ 35.246825] [] sock_sendmsg+0xca/0x110 [ 35.252326] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.258090] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.264638] [] ? __lru_cache_add+0x187/0x250 [ 35.270660] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.277727] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.283663] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.290731] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.296842] [] ? __fget_light+0x158/0x1e0 [ 35.302603] [] ? __fdget+0x18/0x20 [ 35.307757] [] ? sockfd_lookup_light+0x118/0x160 [ 35.314127] [] __sys_sendmsg+0xd6/0x190 [ 35.319717] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.325490] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 35.331528] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.337463] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.344008] [] do_fast_syscall_32+0x2f7/0x890 [ 35.350116] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.356746] [] entry_SYSENTER_compat+0x51/0x60 [ 35.364581] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3367 [ 35.373332] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.378775] CPU: 0 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 35.386367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.395704] ffff8801d600f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.403673] ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 [ 35.411628] ffffffff81df7854 ffff8801d600f6c0 ffffffff83f42ec0 dffffc0000000000 [ 35.419581] Call Trace: [ 35.422138] [] dump_stack+0xc1/0x128 [ 35.427470] [] check_preemption_disabled+0x1d4/0x200 [ 35.434188] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.440650] [] ipcomp_init_state+0x188/0x930 [ 35.446677] [] ? __lock_is_held+0xa1/0xf0 [ 35.452443] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.458466] [] __xfrm_init_state+0x3e7/0xb30 [ 35.464488] [] xfrm_init_state+0x1a/0x20 [ 35.470168] [] pfkey_add+0x1fb9/0x3470 [ 35.475668] [] ? pfkey_delete+0x360/0x360 [ 35.481441] [] ? pfkey_seq_stop+0x80/0x80 [ 35.487207] [] ? __skb_clone+0x24a/0x7d0 [ 35.492882] [] ? pfkey_delete+0x360/0x360 [ 35.498644] [] pfkey_process+0x61e/0x730 [ 35.504319] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.511122] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.517929] [] pfkey_sendmsg+0x3a9/0x760 [ 35.523605] [] ? pfkey_spdget+0x820/0x820 [ 35.529381] [] sock_sendmsg+0xca/0x110 [ 35.534883] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.540646] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.547190] [] ? __lru_cache_add+0x187/0x250 [ 35.553214] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.560279] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.566214] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.573283] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.579394] [] ? __fget_light+0x158/0x1e0 [ 35.585154] [] ? __fdget+0x18/0x20 [ 35.590311] [] ? sockfd_lookup_light+0x118/0x160 [ 35.596680] [] __sys_sendmsg+0xd6/0x190 [ 35.602268] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.608030] [] ? __do_page_fault+0x5ec/0xd40 [ 35.614062] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.619998] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.626541] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 35.632648] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.639289] [] entry_SYSENTER_compat+0x51/0x60 [ 35.645944] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3360 [ 35.654618] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.660067] CPU: 0 PID: 3360 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 35.667657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.676981] ffff8801d6f47668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.684931] ffffffff83f42ec0 ffff8801d1983000 0000000000000003 ffff8801d6f476a8 [ 35.692893] ffffffff81df7854 ffff8801d6f476c0 ffffffff83f42ec0 dffffc0000000000 [ 35.700849] Call Trace: [ 35.703418] [] dump_stack+0xc1/0x128 [ 35.708747] [] check_preemption_disabled+0x1d4/0x200 [ 35.715465] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.721928] [] ipcomp_init_state+0x188/0x930 [ 35.727963] [] ? __lock_is_held+0xa1/0xf0 [ 35.733730] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.739753] [] __xfrm_init_state+0x3e7/0xb30 [ 35.745775] [] xfrm_init_state+0x1a/0x20 [ 35.751452] [] pfkey_add+0x1fb9/0x3470 [ 35.756954] [] ? pfkey_delete+0x360/0x360 [ 35.762716] [] ? pfkey_seq_stop+0x80/0x80 [ 35.768479] [] ? __skb_clone+0x24a/0x7d0 [ 35.774165] [] ? pfkey_delete+0x360/0x360 [ 35.779926] [] pfkey_process+0x61e/0x730 [ 35.785600] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.792404] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.799208] [] pfkey_sendmsg+0x3a9/0x760 [ 35.804884] [] ? pfkey_spdget+0x820/0x820 [ 35.810647] [] sock_sendmsg+0xca/0x110 [ 35.816148] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.821910] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.828454] [] ? __lru_cache_add+0x187/0x250 [ 35.834478] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.841545] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.847492] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.854559] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.860668] [] ? __fget_light+0x158/0x1e0 [ 35.866427] [] ? __fdget+0x18/0x20 [ 35.871579] [] ? sockfd_lookup_light+0x118/0x160 [ 35.877948] [] __sys_sendmsg+0xd6/0x190 executing program [ 35.883539] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.889305] [] ? __do_page_fault+0x5ec/0xd40 [ 35.895330] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.901264] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.907806] [] do_fast_syscall_32+0x2f7/0x890 [ 35.913916] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.920545] [] entry_SYSENTER_compat+0x51/0x60 [ 35.927123] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3366 [ 35.935802] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.941243] CPU: 0 PID: 3366 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 35.948828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.958151] ffff8801d6007668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.966117] ffffffff83f42ec0 ffff8801d6f5c800 0000000000000003 ffff8801d60076a8 [ 35.974068] ffffffff81df7854 ffff8801d60076c0 ffffffff83f42ec0 dffffc0000000000 [ 35.982034] Call Trace: [ 35.984589] [] dump_stack+0xc1/0x128 [ 35.989916] [] check_preemption_disabled+0x1d4/0x200 [ 35.996636] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.003102] [] ipcomp_init_state+0x188/0x930 [ 36.009130] [] ? __lock_is_held+0xa1/0xf0 [ 36.014894] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.020919] [] __xfrm_init_state+0x3e7/0xb30 [ 36.026942] [] xfrm_init_state+0x1a/0x20 [ 36.032620] [] pfkey_add+0x1fb9/0x3470 [ 36.038121] [] ? pfkey_delete+0x360/0x360 [ 36.043883] [] ? pfkey_seq_stop+0x80/0x80 [ 36.049648] [] ? __skb_clone+0x24a/0x7d0 [ 36.055322] [] ? pfkey_delete+0x360/0x360 [ 36.061082] [] pfkey_process+0x61e/0x730 [ 36.066760] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.073563] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.080371] [] pfkey_sendmsg+0x3a9/0x760 [ 36.086045] [] ? pfkey_spdget+0x820/0x820 [ 36.091808] [] sock_sendmsg+0xca/0x110 [ 36.097308] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.103070] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.109618] [] ? __lru_cache_add+0x187/0x250 [ 36.115654] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.122721] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.128657] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.135725] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.141836] [] ? __fget_light+0x158/0x1e0 [ 36.147598] [] ? __fdget+0x18/0x20 [ 36.152753] [] ? sockfd_lookup_light+0x118/0x160 [ 36.159124] [] __sys_sendmsg+0xd6/0x190 [ 36.164712] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.170479] [] ? __do_page_fault+0x5ec/0xd40 [ 36.176504] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 36.182448] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.188992] [] do_fast_syscall_32+0x2f7/0x890 [ 36.195101] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.201732] [] entry_SYSENTER_compat+0x51/0x60 [ 36.208131] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3364 [ 36.216789] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.222238] CPU: 0 PID: 3364 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 36.229820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.239141] ffff8801d6f6f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 36.247096] ffffffff83f42ec0 ffff8801d6f59800 0000000000000003 ffff8801d6f6f6a8 [ 36.255054] ffffffff81df7854 ffff8801d6f6f6c0 ffffffff83f42ec0 dffffc0000000000 [ 36.262998] Call Trace: [ 36.265554] [] dump_stack+0xc1/0x128 [ 36.270884] [] check_preemption_disabled+0x1d4/0x200 [ 36.277612] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.284068] [] ipcomp_init_state+0x188/0x930 [ 36.290094] [] ? __lock_is_held+0xa1/0xf0 [ 36.295861] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.301884] [] __xfrm_init_state+0x3e7/0xb30 [ 36.307905] [] xfrm_init_state+0x1a/0x20 [ 36.313581] [] pfkey_add+0x1fb9/0x3470 [ 36.319083] [] ? pfkey_delete+0x360/0x360 [ 36.324844] [] ? pfkey_seq_stop+0x80/0x80 [ 36.330607] [] ? __skb_clone+0x24a/0x7d0 [ 36.336284] [] ? pfkey_delete+0x360/0x360 [ 36.342062] [] pfkey_process+0x61e/0x730 [ 36.347738] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.354544] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.361351] [] pfkey_sendmsg+0x3a9/0x760 [ 36.367024] [] ? pfkey_spdget+0x820/0x820 [ 36.372802] [] sock_sendmsg+0xca/0x110 [ 36.378306] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.384067] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.390613] [] ? __lru_cache_add+0x187/0x250 [ 36.396635] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.403700] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.409633] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.416697] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.422809] [] ? __fget_light+0x158/0x1e0 [ 36.428571] [] ? __fdget+0x18/0x20 [ 36.433726] [] ? sockfd_lookup_light+0x118/0x160 [ 36.440095] [] __sys_sendmsg+0xd6/0x190 [ 36.445683] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.451449] [] ? __do_page_fault+0x5ec/0xd40 [ 36.457472] [] compat_SyS_sendmsg+0x2a/0x40 [ 36.463410] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.469955] [] do_fast_syscall_32+0x2f7/0x890 [ 36.476064] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 36.482696] [] entry_SYSENTER_compat+0x51/0x60 [ 36.489109] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3362 [ 36.497746] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.503212] CPU: 0 PID: 3362 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 36.510798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.520120] ffff8801d6f57668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 36.528067] ffffffff83f42ec0 ffff8801d1986000 0000000000000003 ffff8801d6f576a8 [ 36.536021] ffffffff81df7854 ffff8801d6f576c0 ffffffff83f42ec0 dffffc0000000000 [ 36.543979] Call Trace: [ 36.546535] [] dump_stack+0xc1/0x128 [ 36.551863] [] check_preemption_disabled+0x1d4/0x200 [ 36.558581] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.565040] [] ipcomp_init_state+0x188/0x930 [ 36.571065] [] ? __lock_is_held+0xa1/0xf0 [ 36.576841] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.582865] [] __xfrm_init_state+0x3e7/0xb30 [ 36.588889] [] xfrm_init_state+0x1a/0x20 [ 36.594565] [] pfkey_add+0x1fb9/0x3470 [ 36.600067] [] ? pfkey_delete+0x360/0x360 [ 36.605827] [] ? pfkey_seq_stop+0x80/0x80 [ 36.611591] [] ? __skb_clone+0x24a/0x7d0 [ 36.617265] [] ? pfkey_delete+0x360/0x360 [ 36.623026] [] pfkey_process+0x61e/0x730 [ 36.628703] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.635511] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.642315] [] pfkey_sendmsg+0x3a9/0x760 [ 36.647989] [] ? pfkey_spdget+0x820/0x820 [ 36.653750] [] sock_sendmsg+0xca/0x110 [ 36.659252] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.665014] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.671559] [] ? __lru_cache_add+0x187/0x250 [ 36.677586] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.684651] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.690585] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.697651] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.703761] [] ? __fget_light+0x158/0x1e0 [ 36.709531] [] ? __fdget+0x18/0x20 [ 36.714690] [] ? sockfd_lookup_light+0x118/0x160 [ 36.721061] [] __sys_sendmsg+0xd6/0x190 [ 36.726649] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.732420] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 36.738444] [] compat_SyS_sendmsg+0x2a/0x40 [ 36.744380] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.750923] [] do_fast_syscall_32+0x2f7/0x890 [ 36.757030] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.763660] [] entry_SYSENTER_compat+0x51/0x60 [ 36.770210] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3363 [ 36.778888] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.784313] CPU: 0 PID: 3363 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 36.791897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.801220] ffff8801d6f67668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 36.809172] ffffffff83f42ec0 ffff8801d6f58000 0000000000000003 ffff8801d6f676a8 [ 36.817147] ffffffff81df7854 ffff8801d6f676c0 ffffffff83f42ec0 dffffc0000000000 [ 36.825104] Call Trace: [ 36.827664] [] dump_stack+0xc1/0x128 [ 36.832996] [] check_preemption_disabled+0x1d4/0x200 [ 36.839713] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.846173] [] ipcomp_init_state+0x188/0x930 [ 36.852199] [] ? __lock_is_held+0xa1/0xf0 [ 36.857965] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.863991] [] __xfrm_init_state+0x3e7/0xb30 [ 36.870014] [] xfrm_init_state+0x1a/0x20 [ 36.875985] [] pfkey_add+0x1fb9/0x3470 [ 36.881489] [] ? pfkey_delete+0x360/0x360 [ 36.887254] [] ? pfkey_seq_stop+0x80/0x80 [ 36.893017] [] ? __skb_clone+0x24a/0x7d0 [ 36.898690] [] ? pfkey_delete+0x360/0x360 [ 36.904453] [] pfkey_process+0x61e/0x730 [ 36.910133] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.916941] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.923746] [] pfkey_sendmsg+0x3a9/0x760 [ 36.929422] [] ? pfkey_spdget+0x820/0x820 [ 36.935184] [] sock_sendmsg+0xca/0x110 [ 36.940685] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.946457] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.953003] [] ? __lru_cache_add+0x187/0x250 [ 36.959027] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.966104] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.972041] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.979106] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.985220] [] ? __fget_light+0x158/0x1e0 [ 36.990982] [] ? __fdget+0x18/0x20 [ 36.996137] [] ? sockfd_lookup_light+0x118/0x160 [ 37.002514] [] __sys_sendmsg+0xd6/0x190 [ 37.008112] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.013885] [] ? __do_page_fault+0x5ec/0xd40 [ 37.019919] [] compat_SyS_sendmsg+0x2a/0x40 [ 37.025855] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.032400] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 37.038509] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.045141] [] entry_SYSENTER_compat+0x51/0x60 [ 37.051606] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3361 [ 37.060284] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.065706] CPU: 0 PID: 3361 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 37.073289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.082612] ffff8801d6f4f668 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 37.090567] ffffffff83f42ec0 ffff8801d1984800 0000000000000003 ffff8801d6f4f6a8 [ 37.098517] ffffffff81df7854 ffff8801d6f4f6c0 ffffffff83f42ec0 dffffc0000000000 [ 37.106474] Call Trace: [ 37.109029] [] dump_stack+0xc1/0x128 [ 37.114361] [] check_preemption_disabled+0x1d4/0x200 [ 37.121078] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.127541] [] ipcomp_init_state+0x188/0x930 [ 37.133833] [] ? __lock_is_held+0xa1/0xf0 [ 37.139604] [] ipcomp4_init_state+0xb0/0x7d0 [ 37.145627] [] __xfrm_init_state+0x3e7/0xb30 [ 37.151649] [] xfrm_init_state+0x1a/0x20 [ 37.157326] [] pfkey_add+0x1fb9/0x3470 [ 37.162829] [] ? pfkey_delete+0x360/0x360 [ 37.168589] [] ? pfkey_seq_stop+0x80/0x80 [ 37.174356] [] ? __skb_clone+0x24a/0x7d0 [ 37.180030] [] ? pfkey_delete+0x360/0x360 [ 37.185789] [] pfkey_process+0x61e/0x730 [ 37.191465] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 37.198270] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.205094] [] pfkey_sendmsg+0x3a9/0x760 [ 37.210782] [] ? pfkey_spdget+0x820/0x820 [ 37.216544] [] sock_sendmsg+0xca/0x110 [ 37.222044] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.227807] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.234359] [] ? __lru_cache_add+0x187/0x250 [ 37.240383] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.247453] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.253390] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.260466] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.266577] [] ? __fget_light+0x158/0x1e0 [ 37.272346] [] ? __fdget+0x18/0x20 [ 37.277501] [] ? sockfd_lookup_light+0x118/0x160 [ 37.283870] [] __sys_sendmsg+0xd6/0x190 executing program [ 37.289457] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.295223] [] ? __do_page_fault+0x5ec/0xd40 [ 37.301246] [] compat_SyS_sendmsg+0x2a/0x40 [ 37.307182] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.313726] [] do_fast_syscall_32+0x2f7/0x890 [ 37.319839] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.326470] [] entry_SYSENTER_compat+0x51/0x60 [ 37.333028] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3365 [ 37.341755] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.347178] CPU: 1 PID: 3365 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 37.354763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.364087] ffff8801d6f77668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 37.372041] ffffffff83f42ec0 ffff8801d6f5b000 0000000000000003 ffff8801d6f776a8 [ 37.380002] ffffffff81df7854 ffff8801d6f776c0 ffffffff83f42ec0 dffffc0000000000 [ 37.387952] Call Trace: [ 37.390507] [] dump_stack+0xc1/0x128 [ 37.395848] [] check_preemption_disabled+0x1d4/0x200 [ 37.402568] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.409029] [] ipcomp_init_state+0x188/0x930 [ 37.415055] [] ? __lock_is_held+0xa1/0xf0 [ 37.420820] [] ipcomp4_init_state+0xb0/0x7d0 [ 37.426846] [] __xfrm_init_state+0x3e7/0xb30 [ 37.432868] [] xfrm_init_state+0x1a/0x20 [ 37.438547] [] pfkey_add+0x1fb9/0x3470 [ 37.444049] [] ? pfkey_delete+0x360/0x360 [ 37.449810] [] ? pfkey_seq_stop+0x80/0x80 [ 37.455574] [] ? __skb_clone+0x24a/0x7d0 [ 37.461250] [] ? pfkey_delete+0x360/0x360 [ 37.467017] [] pfkey_process+0x61e/0x730 [ 37.472693] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 37.479498] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.486303] [] pfkey_sendmsg+0x3a9/0x760 [ 37.491981] [] ? pfkey_spdget+0x820/0x820 [ 37.497744] [] sock_sendmsg+0xca/0x110 [ 37.503245] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.509008] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.515556] [] ? __lru_cache_add+0x187/0x250 [ 37.521753] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.528828] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.534762] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.541826] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.547938] [] ? __fget_light+0x158/0x1e0 [ 37.553699] [] ? __fdget+0x18/0x20 [ 37.558853] [] ? sockfd_lookup_light+0x118/0x160 [ 37.565223] [] __sys_sendmsg+0xd6/0x190 [ 37.570812] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.576577] [] ? __do_page_fault+0x5ec/0xd40 [ 37.582603] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 37.588538] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.595084] [] do_fast_syscall_32+0x2f7/0x890 [ 37.601195] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.607827] [] entry_SYSENTER_compat+0x51/0x60 [ 37.614942] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3367 [ 37.623636] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.629082] CPU: 1 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 37.636665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.645986] ffff8801d600f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 37.653942] ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 [ 37.661893] ffffffff81df7854 ffff8801d600f6c0 ffffffff83f42ec0 dffffc0000000000 [ 37.669847] Call Trace: [ 37.672406] [] dump_stack+0xc1/0x128 [ 37.677735] [] check_preemption_disabled+0x1d4/0x200 [ 37.684454] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.690915] [] ipcomp_init_state+0x188/0x930 [ 37.696953] [] ? __lock_is_held+0xa1/0xf0 [ 37.702716] [] ipcomp4_init_state+0xb0/0x7d0 [ 37.708742] [] __xfrm_init_state+0x3e7/0xb30 [ 37.714768] [] xfrm_init_state+0x1a/0x20 [ 37.720447] [] pfkey_add+0x1fb9/0x3470 [ 37.725959] [] ? pfkey_delete+0x360/0x360 [ 37.731722] [] ? pfkey_seq_stop+0x80/0x80 [ 37.737484] [] ? __skb_clone+0x24a/0x7d0 [ 37.743159] [] ? pfkey_delete+0x360/0x360 [ 37.748920] [] pfkey_process+0x61e/0x730 [ 37.754593] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 37.761395] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.768201] [] pfkey_sendmsg+0x3a9/0x760 [ 37.773875] [] ? pfkey_spdget+0x820/0x820 [ 37.779640] [] sock_sendmsg+0xca/0x110 [ 37.785141] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.790903] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.797449] [] ? __lru_cache_add+0x187/0x250 [ 37.803475] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.810544] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.816479] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.823544] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.829652] [] ? __fget_light+0x158/0x1e0 [ 37.835934] [] ? __fdget+0x18/0x20 [ 37.841087] [] ? sockfd_lookup_light+0x118/0x160 [ 37.847454] [] __sys_sendmsg+0xd6/0x190 [ 37.853040] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.858813] [] ? __do_page_fault+0x5ec/0xd40 [ 37.864836] [] compat_SyS_sendmsg+0x2a/0x40 [ 37.870773] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.877324] [] do_fast_syscall_32+0x2f7/0x890 [ 37.883434] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.890064] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.088684] check_preemption_disabled: 1828 callbacks suppressed [ 40.088691] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller071479/3367 [ 40.103536] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.108979] CPU: 1 PID: 3367 Comm: syzkaller071479 Not tainted 4.9.68-gfb66dc2 #3 [ 40.116571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.125894] ffff8801d600f668 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 40.133837] ffffffff83f42ec0 ffff8801d6f5e000 0000000000000003 ffff8801d600f6a8 [ 40.141786] ffffffff81df7854 ffff8801d600f6c0 ffffffff83f42ec0 dffffc0000000000 [ 40.149732] Call Trace: [ 40.152288] [] dump_stack+0xc1/0x128 [ 40.157614] [] check_preemption_disabled+0x1d4/0x200 [ 40.164329] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.170786] [] ipcomp_init_state+0x188/0x930 [ 40.176808] [] ? __lock_is_held+0xa1/0xf0 [ 40.182570] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.188593] [] __xfrm_init_state+0x3e7/0xb30 [ 40.194619] [] xfrm_init_state+0x1a/0x20 [ 40.200296] [] pfkey_add+0x1fb9/0x3470 [ 40.205796] [] ? pfkey_delete+0x360/0x360 [ 40.211558] [] ? pfkey_seq_stop+0x80/0x80 [ 40.217322] [] ? __skb_clone+0x24a/0x7d0 [ 40.222996] [] ? pfkey_delete+0x360/0x360 [ 40.228756] [] pfkey_process+0x61e/0x730 [ 40.234431] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 40.241235] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.248037] [] pfkey_sendmsg+0x3a9/0x760 [ 40.253710] [] ? pfkey_spdget+0x820/0x820 [ 40.259471] [] sock_sendmsg+0xca/0x110 [ 40.264977] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.270736] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.277278] [] ? __lru_cache_add+0x187/0x250 [ 40.283303] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.290369] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.296302] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.303368] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.309477] [] ? __fget_light+0x158/0x1e0 [ 40.315236] [] ? __fdget+0x18/0x20 [ 40.320388] [] ? sockfd_lookup_light+0x118/0x160 [ 40.326758] [] __sys_sendmsg+0xd6/0x190 [ 40.332348] [