[....] Starting enhanced syslogd: rsyslogd[ 10.030823] audit: type=1400 audit(1513052900.662:4): avc: denied { syslog } for pid=3169 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-8,10.128.15.196' (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: [ 30.208990] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3341 [ 30.210244] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.210963] CPU: 1 PID: 3341 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.211979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.213196] ffff8801ce6376d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 30.214324] ffffffff83f42ec0 ffff8801ce628000 0000000000000003 ffff8801ce637718 [ 30.215475] ffffffff81df7854 ffff8801ce637730 ffffffff83f42ec0 dffffc0000000000 [ 30.216597] Call Trace: [ 30.216951] [] dump_stack+0xc1/0x128 [ 30.217658] [] check_preemption_disabled+0x1d4/0x200 [ 30.218542] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.219413] [] ipcomp_init_state+0x188/0x930 [ 30.220212] [] ? __lock_is_held+0xa1/0xf0 [ 30.220976] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.221773] [] __xfrm_init_state+0x3e7/0xb30 [ 30.222570] [] xfrm_init_state+0x1a/0x20 [ 30.223324] [] pfkey_add+0x1fb9/0x3470 [ 30.224055] [] ? pfkey_delete+0x360/0x360 [ 30.224817] [] ? pfkey_seq_stop+0x80/0x80 [ 30.225583] [] ? __skb_clone+0x24a/0x7d0 [ 30.226335] [] ? pfkey_delete+0x360/0x360 [ 30.227097] [] pfkey_process+0x61e/0x730 [ 30.227861] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.228758] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.229656] [] pfkey_sendmsg+0x3a9/0x760 [ 30.235331] [] ? pfkey_spdget+0x820/0x820 [ 30.241091] [] sock_sendmsg+0xca/0x110 [ 30.246611] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.252371] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.258911] [] ? __lru_cache_add+0x187/0x250 [ 30.264953] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.272363] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.278296] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.285358] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.291467] [] ? __lock_is_held+0xa1/0xf0 [ 30.297227] [] ? __pmd_alloc+0x410/0x410 [ 30.302902] [] ? __fget_light+0x158/0x1e0 executing program [ 30.308661] [] ? __fdget+0x18/0x20 [ 30.313815] [] __sys_sendmsg+0xd6/0x190 [ 30.319402] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.325164] [] ? __do_page_fault+0x5ec/0xd40 [ 30.331187] [] ? __do_page_fault+0x3bd/0xd40 [ 30.337206] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.344008] [] SyS_sendmsg+0x2d/0x50 [ 30.349334] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.356347] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 [ 30.365047] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.370464] CPU: 0 PID: 3340 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.378221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.387540] ffff8801ce61f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 30.395486] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 [ 30.403425] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 30.411370] Call Trace: [ 30.413926] [] dump_stack+0xc1/0x128 [ 30.419253] [] check_preemption_disabled+0x1d4/0x200 [ 30.425969] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.432435] [] ipcomp_init_state+0x188/0x930 [ 30.438459] [] ? __lock_is_held+0xa1/0xf0 [ 30.444219] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.450242] [] __xfrm_init_state+0x3e7/0xb30 [ 30.456261] [] xfrm_init_state+0x1a/0x20 [ 30.461946] [] pfkey_add+0x1fb9/0x3470 [ 30.467457] [] ? pfkey_delete+0x360/0x360 [ 30.473219] [] ? pfkey_seq_stop+0x80/0x80 [ 30.478980] [] ? __skb_clone+0x24a/0x7d0 [ 30.484654] [] ? pfkey_delete+0x360/0x360 [ 30.490413] [] pfkey_process+0x61e/0x730 [ 30.496085] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.502892] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.509693] [] pfkey_sendmsg+0x3a9/0x760 [ 30.515367] [] ? pfkey_spdget+0x820/0x820 [ 30.521127] [] sock_sendmsg+0xca/0x110 [ 30.526627] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.532385] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.538928] [] ? __lru_cache_add+0x187/0x250 [ 30.544949] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.552010] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.557942] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.565006] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.571111] [] ? __lock_is_held+0xa1/0xf0 [ 30.576870] [] ? __pmd_alloc+0x410/0x410 [ 30.582542] [] ? __fget_light+0x158/0x1e0 [ 30.588298] [] ? __fdget+0x18/0x20 [ 30.593452] [] __sys_sendmsg+0xd6/0x190 [ 30.599039] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.604798] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 30.610817] [] ? __do_page_fault+0x3bd/0xd40 [ 30.616838] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.623639] [] SyS_sendmsg+0x2d/0x50 [ 30.628966] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.636264] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3337 [ 30.644910] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.650358] CPU: 0 PID: 3337 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.658116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.667436] ffff8801ce5776d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 30.675379] ffffffff83f42ec0 ffff8801ce561800 0000000000000003 ffff8801ce577718 [ 30.683319] ffffffff81df7854 ffff8801ce577730 ffffffff83f42ec0 dffffc0000000000 [ 30.691256] Call Trace: [ 30.693806] [] dump_stack+0xc1/0x128 [ 30.699135] [] check_preemption_disabled+0x1d4/0x200 [ 30.705850] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.712305] [] ipcomp_init_state+0x188/0x930 [ 30.718424] [] ? __lock_is_held+0xa1/0xf0 [ 30.724183] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.730202] [] __xfrm_init_state+0x3e7/0xb30 [ 30.736220] [] xfrm_init_state+0x1a/0x20 [ 30.741896] [] pfkey_add+0x1fb9/0x3470 [ 30.747393] [] ? pfkey_delete+0x360/0x360 [ 30.753154] [] ? 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 [ 30.758915] [] ? __skb_clone+0x24a/0x7d0 [ 30.764586] [] ? pfkey_delete+0x360/0x360 [ 30.770346] [] pfkey_process+0x61e/0x730 [ 30.776017] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.782830] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.782835] [] pfkey_sendmsg+0x3a9/0x760 [ 30.782839] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782843] [] sock_sendmsg+0xca/0x110 [ 30.782847] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.782851] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782861] [] ? __lru_cache_add+0x187/0x250 [ 30.782867] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782873] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.782876] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.782885] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782889] [] ? __lock_is_held+0xa1/0xf0 [ 30.782893] [] ? __pmd_alloc+0x410/0x410 [ 30.782897] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782900] [] ? __fdget+0x18/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782904] [] __sys_sendmsg+0xd6/0x190 [ 30.782908] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.782913] [] ? __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 [ 30.782917] [] ? __do_page_fault+0x3bd/0xd40 [ 30.782921] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.782925] [] SyS_sendmsg+0x2d/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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.782929] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.785053] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785059] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.785064] CPU: 0 PID: 3334 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.785066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785073] ffff8801ce5576d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 30.785077] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.785082] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785083] Call Trace: [ 30.785089] [] dump_stack+0xc1/0x128 [ 30.785093] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785097] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.785101] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785106] [] ? __lock_is_held+0xa1/0xf0 [ 30.785111] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.785115] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785119] [] xfrm_init_state+0x1a/0x20 [ 30.785125] [] pfkey_add+0x1fb9/0x3470 [ 30.785129] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785133] [] ? pfkey_seq_stop+0x80/0x80 [ 30.785137] [] ? __skb_clone+0x24a/0x7d0 [ 30.785140] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785144] [] pfkey_process+0x61e/0x730 [ 30.785148] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.785152] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785157] [] pfkey_sendmsg+0x3a9/0x760 [ 30.785160] [] ? pfkey_spdget+0x820/0x820 [ 30.785164] [] sock_sendmsg+0xca/0x110 [ 30.785168] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785172] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.785177] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785183] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.785188] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.785191] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785196] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.785200] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785203] [] ? __pmd_alloc+0x410/0x410 [ 30.785207] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.785210] [] ? __fdget+0x18/0x20 [ 30.785213] [] __sys_sendmsg+0xd6/0x190 [ 30.785217] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.785222] [] ? __do_page_fault+0x5ec/0xd40 [ 30.785226] [] ? __do_page_fault+0x3bd/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 [ 30.785230] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.785234] [] SyS_sendmsg+0x2d/0x50 [ 30.785238] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.787048] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 [ 30.787054] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787059] CPU: 0 PID: 3334 Comm: syzkaller887087 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 executing program executing program executing program executing program [ 30.787061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.787066] ffff8801ce5576d8 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787072] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.787079] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 [ 30.787080] Call Trace: [ 30.787084] [] dump_stack+0xc1/0x128 [ 30.787088] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787093] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.787099] [] ipcomp_init_state+0x188/0x930 [ 30.787104] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787110] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.787114] [] __xfrm_init_state+0x3e7/0xb30 [ 30.787118] [] xfrm_init_state+0x1a/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 [ 30.787125] [] pfkey_add+0x1fb9/0x3470 [ 30.787131] [] ? pfkey_delete+0x360/0x360 [ 30.787134] [] ? 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 [ 30.787138] [] ? __skb_clone+0x24a/0x7d0 [ 30.787142] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787148] [] pfkey_process+0x61e/0x730 [ 30.787154] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.787158] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.787162] [] 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 [ 30.787167] [] ? pfkey_spdget+0x820/0x820 [ 30.787172] [] 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 [ 30.787176] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.787180] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.787184] [] ? __lru_cache_add+0x187/0x250 [ 30.787190] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.787195] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.787199] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.787204] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.787208] [] ? __lock_is_held+0xa1/0xf0 [ 30.787214] [] ? __pmd_alloc+0x410/0x410 [ 30.787218] [] ? __fget_light+0x158/0x1e0 [ 30.787221] [] ? __fdget+0x18/0x20 [ 30.787225] [] __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 [ 30.787229] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.787235] [] ? __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 [ 30.787240] [] ? __do_page_fault+0x3bd/0xd40 [ 30.787245] [] ? 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 [ 30.787248] [] SyS_sendmsg+0x2d/0x50 [ 30.787253] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.788234] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788238] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.788242] CPU: 0 PID: 3334 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.788244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788249] ffff8801ce5576d8 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 [ 30.788254] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.788258] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 [ 30.788259] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788263] [] dump_stack+0xc1/0x128 [ 30.788266] [] check_preemption_disabled+0x1d4/0x200 [ 30.788270] [] __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 [ 30.788274] [] ipcomp_init_state+0x188/0x930 [ 30.788277] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788282] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.788285] [] __xfrm_init_state+0x3e7/0xb30 [ 30.788289] [] xfrm_init_state+0x1a/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 [ 30.788293] [] pfkey_add+0x1fb9/0x3470 [ 30.788297] [] ? pfkey_delete+0x360/0x360 [ 30.788300] [] ? pfkey_seq_stop+0x80/0x80 [ 30.788304] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788308] [] ? pfkey_delete+0x360/0x360 [ 30.788311] [] 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 [ 30.788315] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.788319] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.788323] [] 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 [ 30.788327] [] ? pfkey_spdget+0x820/0x820 [ 30.788331] [] sock_sendmsg+0xca/0x110 [ 30.788334] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.788338] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.788342] [] ? __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 [ 30.788346] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.788350] [] ? _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 [ 30.788354] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.788358] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.788361] [] ? __lock_is_held+0xa1/0xf0 [ 30.788365] [] ? __pmd_alloc+0x410/0x410 [ 30.788368] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.788371] [] ? __fdget+0x18/0x20 [ 30.788375] [] __sys_sendmsg+0xd6/0x190 [ 30.788378] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.788382] [] ? __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 [ 30.788386] [] ? __do_page_fault+0x3bd/0xd40 [ 30.788390] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.788393] [] SyS_sendmsg+0x2d/0x50 [ 30.788397] [] 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 [ 30.789096] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 [ 30.789099] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.789102] CPU: 0 PID: 3334 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.789104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.789109] ffff8801ce5576d8 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 [ 30.789114] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.789119] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 [ 30.789119] Call Trace: [ 30.789123] [] dump_stack+0xc1/0x128 [ 30.789127] [] 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 [ 30.789130] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.789134] [] ipcomp_init_state+0x188/0x930 [ 30.789137] [] ? __lock_is_held+0xa1/0xf0 [ 30.789141] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.789145] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789149] [] xfrm_init_state+0x1a/0x20 [ 30.789153] [] pfkey_add+0x1fb9/0x3470 [ 30.789156] [] ? pfkey_delete+0x360/0x360 [ 30.789160] [] ? pfkey_seq_stop+0x80/0x80 [ 30.789163] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789167] [] ? pfkey_delete+0x360/0x360 [ 30.789171] [] pfkey_process+0x61e/0x730 [ 30.789175] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.789179] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.789183] [] 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 [ 30.789186] [] ? pfkey_spdget+0x820/0x820 [ 30.789190] [] sock_sendmsg+0xca/0x110 [ 30.789194] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.789197] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.789201] [] ? __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 [ 30.789205] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.789209] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.789213] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789217] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.789220] [] ? __lock_is_held+0xa1/0xf0 [ 30.789224] [] ? __pmd_alloc+0x410/0x410 [ 30.789227] [] ? __fget_light+0x158/0x1e0 [ 30.789230] [] ? __fdget+0x18/0x20 [ 30.789234] [] __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 [ 30.789237] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.789241] [] ? __do_page_fault+0x5ec/0xd40 [ 30.789245] [] ? __do_page_fault+0x3bd/0xd40 [ 30.789249] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.789253] [] SyS_sendmsg+0x2d/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 [ 30.789256] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.789921] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789925] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.789928] CPU: 0 PID: 3334 Comm: syzkaller887087 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 [ 30.789929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.789934] ffff8801ce5576d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 30.789939] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.789943] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 [ 30.789944] Call Trace: [ 30.789947] [] dump_stack+0xc1/0x128 [ 30.789951] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789955] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.789958] [] ipcomp_init_state+0x188/0x930 [ 30.789962] [] ? __lock_is_held+0xa1/0xf0 [ 30.789966] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.789970] [] __xfrm_init_state+0x3e7/0xb30 [ 30.789973] [] xfrm_init_state+0x1a/0x20 [ 30.789977] [] pfkey_add+0x1fb9/0x3470 [ 30.789981] [] ? pfkey_delete+0x360/0x360 [ 30.789985] [] ? pfkey_seq_stop+0x80/0x80 [ 30.789988] [] ? __skb_clone+0x24a/0x7d0 [ 30.789992] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.789995] [] pfkey_process+0x61e/0x730 [ 30.790001] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.790007] [] ? 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 [ 30.790013] [] pfkey_sendmsg+0x3a9/0x760 [ 30.790018] [] ? pfkey_spdget+0x820/0x820 [ 30.790024] [] sock_sendmsg+0xca/0x110 [ 30.790029] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.790034] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790040] [] ? __lru_cache_add+0x187/0x250 [ 30.790046] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.790051] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.790057] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790062] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.790068] [] ? __lock_is_held+0xa1/0xf0 [ 30.790073] [] ? __pmd_alloc+0x410/0x410 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790078] [] ? __fget_light+0x158/0x1e0 [ 30.790082] [] ? __fdget+0x18/0x20 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 [ 30.790088] [] __sys_sendmsg+0xd6/0x190 [ 30.790093] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.790099] [] ? __do_page_fault+0x5ec/0xd40 [ 30.790104] [] ? __do_page_fault+0x3bd/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 [ 30.790109] [] ? 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 [ 30.790115] [] SyS_sendmsg+0x2d/0x50 [ 30.790120] [] 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 [ 30.790801] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 [ 30.790805] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.790808] CPU: 0 PID: 3334 Comm: syzkaller887087 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 [ 30.790810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.790815] ffff8801ce5576d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 30.790819] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.790824] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 [ 30.790824] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790828] [] 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 [ 30.790832] [] check_preemption_disabled+0x1d4/0x200 [ 30.790836] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.790839] [] ipcomp_init_state+0x188/0x930 [ 30.790842] [] ? __lock_is_held+0xa1/0xf0 [ 30.790846] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790850] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790854] [] xfrm_init_state+0x1a/0x20 [ 30.790858] [] pfkey_add+0x1fb9/0x3470 [ 30.790862] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790865] [] ? pfkey_seq_stop+0x80/0x80 [ 30.790868] [] ? __skb_clone+0x24a/0x7d0 [ 30.790872] [] ? pfkey_delete+0x360/0x360 [ 30.790876] [] 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 [ 30.790880] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.790889] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.790893] [] pfkey_sendmsg+0x3a9/0x760 [ 30.790897] [] ? pfkey_spdget+0x820/0x820 [ 30.790900] [] 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 [ 30.790904] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.790907] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.790911] [] ? __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 [ 30.790915] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.790919] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.790923] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790927] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.790930] [] ? __lock_is_held+0xa1/0xf0 [ 30.790934] [] ? __pmd_alloc+0x410/0x410 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.790937] [] ? __fget_light+0x158/0x1e0 [ 30.790940] [] ? __fdget+0x18/0x20 [ 30.790944] [] __sys_sendmsg+0xd6/0x190 [ 30.790948] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.790951] [] ? __do_page_fault+0x5ec/0xd40 [ 30.790955] [] ? __do_page_fault+0x3bd/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 [ 30.790959] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.790963] [] SyS_sendmsg+0x2d/0x50 [ 30.790967] [] 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 [ 30.791628] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3334 [ 30.791632] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.791635] CPU: 0 PID: 3334 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 30.791637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.791642] ffff8801ce5576d8 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 [ 30.791646] ffffffff83f42ec0 ffff8801d9504800 0000000000000003 ffff8801ce557718 [ 30.791651] ffffffff81df7854 ffff8801ce557730 ffffffff83f42ec0 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.791651] Call Trace: [ 30.791654] [] dump_stack+0xc1/0x128 [ 30.791658] [] check_preemption_disabled+0x1d4/0x200 [ 30.791662] [] __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 [ 30.791665] [] ipcomp_init_state+0x188/0x930 [ 30.791669] [] ? __lock_is_held+0xa1/0xf0 [ 30.791673] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.791677] [] __xfrm_init_state+0x3e7/0xb30 [ 30.791681] [] xfrm_init_state+0x1a/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 [ 30.791684] [] pfkey_add+0x1fb9/0x3470 [ 30.791688] [] ? pfkey_delete+0x360/0x360 [ 30.791692] [] ? pfkey_seq_stop+0x80/0x80 [ 30.791695] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.791699] [] ? pfkey_delete+0x360/0x360 [ 30.791702] [] pfkey_process+0x61e/0x730 [ 30.791706] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.791710] [] ? 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 [ 30.791715] [] pfkey_sendmsg+0x3a9/0x760 [ 30.791718] [] ? pfkey_spdget+0x820/0x820 [ 30.791722] [] sock_sendmsg+0xca/0x110 [ 30.791725] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.791729] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.791732] [] ? __lru_cache_add+0x187/0x250 [ 30.791736] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.791740] [] ? _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 [ 30.791744] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.791748] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.791752] [] ? __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 [ 30.791755] [] ? __pmd_alloc+0x410/0x410 [ 30.791758] [] ? __fget_light+0x158/0x1e0 [ 30.791761] [] ? __fdget+0x18/0x20 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 [ 30.791765] [] __sys_sendmsg+0xd6/0x190 [ 30.791768] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.791772] [] ? __do_page_fault+0x5ec/0xd40 [ 30.791775] [] ? __do_page_fault+0x3bd/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 [ 30.791780] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.791783] [] SyS_sendmsg+0x2d/0x50 [ 30.791787] [] 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 [ 35.216163] check_preemption_disabled: 4405 callbacks suppressed [ 35.216170] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3337 [ 35.216182] 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 [ 35.216190] CPU: 0 PID: 3337 Comm: syzkaller887087 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 [ 35.216193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216203] ffff8801ce5776d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.216211] ffffffff83f42ec0 ffff8801ce561800 0000000000000003 ffff8801ce577718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216219] ffffffff81df7854 ffff8801ce577730 ffffffff83f42ec0 dffffc0000000000 [ 35.216220] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216230] [] dump_stack+0xc1/0x128 [ 35.216237] [] check_preemption_disabled+0x1d4/0x200 [ 35.216244] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.216252] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216259] [] ? __lock_is_held+0xa1/0xf0 [ 35.216268] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.216275] [] __xfrm_init_state+0x3e7/0xb30 [ 35.216281] [] xfrm_init_state+0x1a/0x20 [ 35.216290] [] pfkey_add+0x1fb9/0x3470 [ 35.216297] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216303] [] ? pfkey_seq_stop+0x80/0x80 [ 35.216309] [] ? __skb_clone+0x24a/0x7d0 [ 35.216316] [] ? pfkey_delete+0x360/0x360 [ 35.216322] [] 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 [ 35.216329] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.216336] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.216343] [] pfkey_sendmsg+0x3a9/0x760 [ 35.216350] [] ? pfkey_spdget+0x820/0x820 [ 35.216356] [] 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 [ 35.216363] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.216369] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.216377] [] ? __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 [ 35.216385] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.216392] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.216399] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.216411] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.216417] [] ? __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 [ 35.216423] [] ? __pmd_alloc+0x410/0x410 [ 35.216429] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216434] [] ? __fdget+0x18/0x20 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 [ 35.216441] [] __sys_sendmsg+0xd6/0x190 [ 35.216447] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.216455] [] ? __do_page_fault+0x5ec/0xd40 [ 35.216462] [] ? __do_page_fault+0x3bd/0xd40 [ 35.216469] [] ? 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 [ 35.216475] [] SyS_sendmsg+0x2d/0x50 [ 35.216482] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 35.216708] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216715] 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 [ 35.216721] CPU: 0 PID: 3340 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 35.216724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.216733] ffff8801ce61f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.216741] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216749] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 35.216751] Call Trace: [ 35.216757] [] dump_stack+0xc1/0x128 [ 35.216764] [] 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 [ 35.216771] [] __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 [ 35.216777] [] ipcomp_init_state+0x188/0x930 [ 35.216785] [] ? __lock_is_held+0xa1/0xf0 [ 35.216792] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216799] [] __xfrm_init_state+0x3e7/0xb30 [ 35.216805] [] xfrm_init_state+0x1a/0x20 [ 35.216813] [] pfkey_add+0x1fb9/0x3470 [ 35.216820] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216826] [] ? pfkey_seq_stop+0x80/0x80 [ 35.216833] [] ? __skb_clone+0x24a/0x7d0 [ 35.216839] [] ? pfkey_delete+0x360/0x360 [ 35.216845] [] 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 [ 35.216852] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.216859] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.216867] [] 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 [ 35.216873] [] ? pfkey_spdget+0x820/0x820 [ 35.216880] [] sock_sendmsg+0xca/0x110 [ 35.216886] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.216893] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216900] [] ? __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 [ 35.216907] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.216914] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.216921] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.216928] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.216934] [] ? __lock_is_held+0xa1/0xf0 [ 35.216940] [] ? __pmd_alloc+0x410/0x410 [ 35.216947] [] ? __fget_light+0x158/0x1e0 [ 35.216952] [] ? __fdget+0x18/0x20 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 [ 35.216958] [] __sys_sendmsg+0xd6/0x190 [ 35.216965] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.216971] [] ? __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 [ 35.216978] [] ? __do_page_fault+0x3bd/0xd40 [ 35.216985] [] ? 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 [ 35.216992] [] SyS_sendmsg+0x2d/0x50 [ 35.216999] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 35.219475] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 [ 35.219485] 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 [ 35.219490] CPU: 0 PID: 3340 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 35.219493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.219503] ffff8801ce61f6d8 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 [ 35.219511] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219519] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 35.219520] Call Trace: [ 35.219527] [] dump_stack+0xc1/0x128 [ 35.219534] [] 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 [ 35.219541] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.219547] [] ipcomp_init_state+0x188/0x930 [ 35.219555] [] ? __lock_is_held+0xa1/0xf0 [ 35.219562] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.219569] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219575] [] xfrm_init_state+0x1a/0x20 [ 35.219583] [] pfkey_add+0x1fb9/0x3470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219590] [] ? pfkey_delete+0x360/0x360 [ 35.219596] [] ? 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 [ 35.219603] [] ? __skb_clone+0x24a/0x7d0 [ 35.219609] [] ? pfkey_delete+0x360/0x360 [ 35.219615] [] pfkey_process+0x61e/0x730 [ 35.219622] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219629] [] ? 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 [ 35.219636] [] pfkey_sendmsg+0x3a9/0x760 [ 35.219643] [] ? pfkey_spdget+0x820/0x820 [ 35.219650] [] sock_sendmsg+0xca/0x110 [ 35.219656] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.219662] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.219669] [] ? __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 [ 35.219677] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219684] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.219691] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.219698] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219704] [] ? __lock_is_held+0xa1/0xf0 [ 35.219710] [] ? __pmd_alloc+0x410/0x410 [ 35.219716] [] ? __fget_light+0x158/0x1e0 [ 35.219721] [] ? __fdget+0x18/0x20 [ 35.219727] [] __sys_sendmsg+0xd6/0x190 [ 35.219734] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.219740] [] ? __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 [ 35.219747] [] ? __do_page_fault+0x3bd/0xd40 [ 35.219754] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.219761] [] SyS_sendmsg+0x2d/0x50 [ 35.219768] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 35.221448] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 [ 35.221455] 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 [ 35.221461] CPU: 0 PID: 3340 Comm: syzkaller887087 Not tainted 4.9.68-gfb66dc2 #107 [ 35.221464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221473] ffff8801ce61f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.221481] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 [ 35.221489] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 35.221490] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221497] [] 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 [ 35.221505] [] check_preemption_disabled+0x1d4/0x200 [ 35.221511] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.221518] [] ipcomp_init_state+0x188/0x930 [ 35.221524] [] ? __lock_is_held+0xa1/0xf0 [ 35.221532] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221538] [] __xfrm_init_state+0x3e7/0xb30 [ 35.221545] [] xfrm_init_state+0x1a/0x20 [ 35.221552] [] pfkey_add+0x1fb9/0x3470 [ 35.221558] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221565] [] ? pfkey_seq_stop+0x80/0x80 [ 35.221571] [] ? __skb_clone+0x24a/0x7d0 [ 35.221578] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221584] [] pfkey_process+0x61e/0x730 [ 35.221591] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.221598] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.221606] [] pfkey_sendmsg+0x3a9/0x760 [ 35.221612] [] ? 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 [ 35.221619] [] 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 [ 35.221625] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.221631] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.221638] [] ? __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 [ 35.221645] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.221652] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.221659] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221666] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.221672] [] ? __lock_is_held+0xa1/0xf0 [ 35.221679] [] ? __pmd_alloc+0x410/0x410 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221684] [] ? __fget_light+0x158/0x1e0 [ 35.221689] [] ? __fdget+0x18/0x20 [ 35.221696] [] __sys_sendmsg+0xd6/0x190 [ 35.221702] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.221709] [] ? __do_page_fault+0x5ec/0xd40 [ 35.221715] [] ? __do_page_fault+0x3bd/0xd40 [ 35.221722] [] ? 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 [ 35.221729] [] SyS_sendmsg+0x2d/0x50 [ 35.221735] [] 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 [ 35.223281] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 [ 35.223288] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.223293] CPU: 0 PID: 3340 Comm: syzkaller887087 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 [ 35.223296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.223305] ffff8801ce61f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.223313] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.223321] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 35.223323] Call Trace: [ 35.223329] [] dump_stack+0xc1/0x128 [ 35.223336] [] check_preemption_disabled+0x1d4/0x200 [ 35.223343] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.223349] [] ipcomp_init_state+0x188/0x930 [ 35.223355] [] ? __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 [ 35.223362] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.223369] [] __xfrm_init_state+0x3e7/0xb30 [ 35.223376] [] xfrm_init_state+0x1a/0x20 [ 35.223382] [] 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 [ 35.223389] [] ? pfkey_delete+0x360/0x360 [ 35.223395] [] ? pfkey_seq_stop+0x80/0x80 [ 35.223407] [] ? __skb_clone+0x24a/0x7d0 [ 35.223413] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.223420] [] pfkey_process+0x61e/0x730 [ 35.223427] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.223433] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.223441] [] 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 [ 35.223447] [] ? pfkey_spdget+0x820/0x820 [ 35.223454] [] sock_sendmsg+0xca/0x110 [ 35.223460] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.223466] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.223474] [] ? __lru_cache_add+0x187/0x250 [ 35.223481] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.223489] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.223495] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.223503] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.223509] [] ? __lock_is_held+0xa1/0xf0 [ 35.223515] [] ? __pmd_alloc+0x410/0x410 [ 35.223521] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.223526] [] ? __fdget+0x18/0x20 [ 35.223532] [] __sys_sendmsg+0xd6/0x190 [ 35.223539] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.223545] [] ? __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 [ 35.223552] [] ? __do_page_fault+0x3bd/0xd40 [ 35.223559] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.223565] [] SyS_sendmsg+0x2d/0x50 [ 35.223572] [] 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 [ 35.227541] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller887087/3340 [ 35.227548] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.227554] CPU: 0 PID: 3340 Comm: syzkaller887087 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 [ 35.227557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.227566] ffff8801ce61f6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 35.227574] ffffffff83f42ec0 ffff8801ce566000 0000000000000003 ffff8801ce61f718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.227582] ffffffff81df7854 ffff8801ce61f730 ffffffff83f42ec0 dffffc0000000000 [ 35.227583] Call Trace: [ 35.227590] [] dump_stack+0xc1/0x128 [ 35.227597] [] 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