[....] Starting enhanced syslogd: rsyslogd[ 10.736711] audit: type=1400 audit(1516983026.613:4): avc: denied { syslog } for pid=3171 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 '10.128.15.223' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 20.728384] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 20.729626] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.730379] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 20.731423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.732656] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 20.733852] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 20.735016] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 20.736168] Call Trace: [ 20.736558] [] dump_stack+0xc1/0x128 [ 20.737294] [] check_preemption_disabled+0x1d4/0x200 [ 20.738185] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.739042] [] ipcomp_init_state+0x188/0x930 [ 20.739846] [] ? __lock_is_held+0xa1/0xf0 [ 20.740738] [] ipcomp6_init_state+0xb5/0x820 [ 20.741541] [] ? __xfrm_init_state+0x363/0xb30 [ 20.742382] [] __xfrm_init_state+0x3e7/0xb30 [ 20.743224] [] xfrm_add_sa+0x1916/0x2e40 [ 20.744034] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 20.744973] [] ? nla_parse+0x213/0x260 [ 20.745705] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 20.746603] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 20.747441] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 20.748254] [] netlink_rcv_skb+0x13e/0x370 [ 20.752769] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 20.758795] [] xfrm_netlink_rcv+0x6f/0x90 [ 20.764562] [] netlink_unicast+0x511/0x750 [ 20.770412] [] ? netlink_unicast+0x43c/0x750 [ 20.776439] [] ? netlink_attachskb+0x680/0x680 [ 20.782645] [] netlink_sendmsg+0x8e8/0xc50 [ 20.788495] [] ? netlink_unicast+0x750/0x750 [ 20.794520] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 20.800983] [] ? security_socket_sendmsg+0x89/0xb0 [ 20.807532] [] ? netlink_unicast+0x750/0x750 [ 20.813561] [] sock_sendmsg+0xca/0x110 [ 20.819083] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.824851] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.832171] [] ? __lru_cache_add+0x187/0x250 [ 20.838199] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 20.845271] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.851210] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 20.858363] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.864475] [] ? __lock_is_held+0xa1/0xf0 [ 20.870239] [] ? __pmd_alloc+0x410/0x410 executing program [ 20.875919] [] ? __fget_light+0x158/0x1e0 [ 20.881690] [] ? __fdget+0x18/0x20 [ 20.886849] [] __sys_sendmsg+0xd6/0x190 [ 20.892439] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.898208] [] ? __do_page_fault+0x5ec/0xd40 [ 20.904244] [] ? __do_page_fault+0x3bd/0xd40 [ 20.910276] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.917082] [] SyS_sendmsg+0x2d/0x50 [ 20.922415] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 20.931241] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 20.939897] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.945342] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 20.953022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.962347] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 20.970310] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 20.978299] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 20.986261] Call Trace: [ 20.988817] [] dump_stack+0xc1/0x128 [ 20.994148] [] check_preemption_disabled+0x1d4/0x200 [ 21.000867] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.007328] [] ipcomp_init_state+0x188/0x930 [ 21.013359] [] ? __lock_is_held+0xa1/0xf0 [ 21.019121] [] ipcomp6_init_state+0xb5/0x820 [ 21.025145] [] ? __xfrm_init_state+0x363/0xb30 [ 21.031345] [] __xfrm_init_state+0x3e7/0xb30 [ 21.037367] [] xfrm_add_sa+0x1916/0x2e40 [ 21.043045] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.049854] [] ? nla_parse+0x213/0x260 [ 21.055361] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.062167] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.068191] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.074219] [] netlink_rcv_skb+0x13e/0x370 [ 21.080070] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.086098] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.091863] [] netlink_unicast+0x511/0x750 [ 21.097713] [] ? netlink_unicast+0x43c/0x750 [ 21.103749] [] ? netlink_attachskb+0x680/0x680 [ 21.109948] [] netlink_sendmsg+0x8e8/0xc50 [ 21.115809] [] ? netlink_unicast+0x750/0x750 [ 21.121838] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.128300] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.134847] [] ? netlink_unicast+0x750/0x750 [ 21.140881] [] sock_sendmsg+0xca/0x110 [ 21.146385] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.152150] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.158697] [] ? __lru_cache_add+0x187/0x250 [ 21.164734] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.171818] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.177758] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.184826] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.190942] [] ? __lock_is_held+0xa1/0xf0 [ 21.196708] [] ? __pmd_alloc+0x410/0x410 [ 21.202388] [] ? __fget_light+0x158/0x1e0 [ 21.208155] [] ? __fdget+0x18/0x20 [ 21.213313] [] __sys_sendmsg+0xd6/0x190 [ 21.218904] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.224672] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 21.230699] [] ? __do_page_fault+0x3bd/0xd40 [ 21.236726] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.243541] [] SyS_sendmsg+0x2d/0x50 [ 21.248874] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.258000] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.266687] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.272132] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.279812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.289137] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.297111] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 21.305085] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.313048] Call Trace: [ 21.315608] [] dump_stack+0xc1/0x128 [ 21.320944] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program [ 21.327664] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.334126] [] ipcomp_init_state+0x188/0x930 [ 21.340152] [] ? __lock_is_held+0xa1/0xf0 [ 21.345917] [] ipcomp6_init_state+0xb5/0x820 [ 21.351946] [] ? __xfrm_init_state+0x363/0xb30 [ 21.358142] [] __xfrm_init_state+0x3e7/0xb30 [ 21.364167] [] xfrm_add_sa+0x1916/0x2e40 [ 21.369845] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.376675] [] ? nla_parse+0x213/0x260 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.376684] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.376689] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.376698] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.376707] [] netlink_rcv_skb+0x13e/0x370 [ 21.376712] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.376717] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.376722] [] netlink_unicast+0x511/0x750 [ 21.376728] [] ? netlink_unicast+0x43c/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.376734] [] ? netlink_attachskb+0x680/0x680 [ 21.376741] [] netlink_sendmsg+0x8e8/0xc50 [ 21.376748] [] ? netlink_unicast+0x750/0x750 [ 21.376756] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.376763] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.376769] [] ? netlink_unicast+0x750/0x750 [ 21.376778] [] sock_sendmsg+0xca/0x110 [ 21.376785] [] ___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 executing program [ 21.376792] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.376801] [] ? __lru_cache_add+0x187/0x250 [ 21.376810] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.376816] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.376823] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.376830] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.376837] [] ? __lock_is_held+0xa1/0xf0 [ 21.376842] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.376849] [] ? __fget_light+0x158/0x1e0 [ 21.376855] [] ? __fdget+0x18/0x20 [ 21.376861] [] __sys_sendmsg+0xd6/0x190 [ 21.376867] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.376875] [] ? __do_page_fault+0x5ec/0xd40 [ 21.376881] [] ? __do_page_fault+0x3bd/0xd40 [ 21.376889] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.376895] [] 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 [ 21.376901] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.381588] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.381599] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.381606] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.381610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.381621] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.381629] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.381637] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.381638] Call Trace: [ 21.381647] [] dump_stack+0xc1/0x128 [ 21.381655] [] check_preemption_disabled+0x1d4/0x200 [ 21.381662] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.381671] [] ipcomp_init_state+0x188/0x930 [ 21.381680] [] ? __lock_is_held+0xa1/0xf0 [ 21.381686] [] ipcomp6_init_state+0xb5/0x820 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 [ 21.381692] [] ? __xfrm_init_state+0x363/0xb30 [ 21.381697] [] __xfrm_init_state+0x3e7/0xb30 [ 21.381703] [] xfrm_add_sa+0x1916/0x2e40 [ 21.381710] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.381717] [] ? nla_parse+0x213/0x260 [ 21.381723] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.381730] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.381736] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.381744] [] netlink_rcv_skb+0x13e/0x370 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.381750] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.381756] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.381762] [] netlink_unicast+0x511/0x750 [ 21.381769] [] ? netlink_unicast+0x43c/0x750 [ 21.381775] [] ? netlink_attachskb+0x680/0x680 [ 21.381782] [] netlink_sendmsg+0x8e8/0xc50 [ 21.381788] [] ? netlink_unicast+0x750/0x750 [ 21.381795] [] ? selinux_socket_sendmsg+0x3f/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 [ 21.381802] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.381808] [] ? netlink_unicast+0x750/0x750 [ 21.381815] [] sock_sendmsg+0xca/0x110 [ 21.381822] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.381829] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.381837] [] ? __lru_cache_add+0x187/0x250 [ 21.381844] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.381851] [] ? _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 [ 21.381858] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.381864] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.381870] [] ? __lock_is_held+0xa1/0xf0 [ 21.381876] [] ? __pmd_alloc+0x410/0x410 [ 21.381882] [] ? __fget_light+0x158/0x1e0 [ 21.381887] [] ? __fdget+0x18/0x20 [ 21.381893] [] __sys_sendmsg+0xd6/0x190 [ 21.381899] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.381906] [] ? __do_page_fault+0x5ec/0xd40 [ 21.381912] [] ? __do_page_fault+0x3bd/0xd40 [ 21.381920] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.381926] [] SyS_sendmsg+0x2d/0x50 [ 21.381932] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.383115] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.383125] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.383131] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.383134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.383144] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.383153] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 21.383162] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.383163] Call Trace: [ 21.383172] [] dump_stack+0xc1/0x128 [ 21.383179] [] 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 [ 21.383186] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.383194] [] ipcomp_init_state+0x188/0x930 [ 21.383202] [] ? __lock_is_held+0xa1/0xf0 [ 21.383208] [] ipcomp6_init_state+0xb5/0x820 [ 21.383220] [] ? __xfrm_init_state+0x363/0xb30 [ 21.383226] [] __xfrm_init_state+0x3e7/0xb30 [ 21.383231] [] xfrm_add_sa+0x1916/0x2e40 [ 21.383237] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.383244] [] ? nla_parse+0x213/0x260 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.383250] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.383256] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.383262] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.383270] [] netlink_rcv_skb+0x13e/0x370 [ 21.383275] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.383282] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.383289] [] netlink_unicast+0x511/0x750 [ 21.383295] [] ? netlink_unicast+0x43c/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.383300] [] ? netlink_attachskb+0x680/0x680 [ 21.383307] [] netlink_sendmsg+0x8e8/0xc50 [ 21.383313] [] ? netlink_unicast+0x750/0x750 [ 21.383321] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.383327] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.383334] [] ? netlink_unicast+0x750/0x750 [ 21.383341] [] sock_sendmsg+0xca/0x110 [ 21.383348] [] ___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 [ 21.383356] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.383362] [] ? __lru_cache_add+0x187/0x250 [ 21.383370] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.383376] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.383383] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.383389] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.383394] [] ? __lock_is_held+0xa1/0xf0 [ 21.383400] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.383406] [] ? __fget_light+0x158/0x1e0 [ 21.383411] [] ? __fdget+0x18/0x20 [ 21.383416] [] __sys_sendmsg+0xd6/0x190 [ 21.383423] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.383430] [] ? __do_page_fault+0x5ec/0xd40 [ 21.383437] [] ? __do_page_fault+0x3bd/0xd40 [ 21.383446] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.383452] [] SyS_sendmsg+0x2d/0x50 [ 21.383459] [] entry_SYSCALL_64_fastpath+0x29/0xe8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.384577] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.384586] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.384591] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.384594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.384602] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.384610] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.384619] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.384620] Call Trace: [ 21.384628] [] dump_stack+0xc1/0x128 [ 21.384636] [] check_preemption_disabled+0x1d4/0x200 [ 21.384643] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.384650] [] ipcomp_init_state+0x188/0x930 [ 21.384657] [] ? __lock_is_held+0xa1/0xf0 [ 21.384663] [] ipcomp6_init_state+0xb5/0x820 [ 21.384669] [] ? __xfrm_init_state+0x363/0xb30 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 [ 21.384676] [] __xfrm_init_state+0x3e7/0xb30 [ 21.384683] [] xfrm_add_sa+0x1916/0x2e40 [ 21.384690] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.384698] [] ? nla_parse+0x213/0x260 [ 21.384705] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.384711] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.384717] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.384726] [] netlink_rcv_skb+0x13e/0x370 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.384732] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.384738] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.384745] [] netlink_unicast+0x511/0x750 [ 21.384752] [] ? netlink_unicast+0x43c/0x750 [ 21.384759] [] ? netlink_attachskb+0x680/0x680 [ 21.384766] [] netlink_sendmsg+0x8e8/0xc50 [ 21.384773] [] ? netlink_unicast+0x750/0x750 [ 21.384781] [] ? selinux_socket_sendmsg+0x3f/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 [ 21.384788] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.384795] [] ? netlink_unicast+0x750/0x750 [ 21.384802] [] sock_sendmsg+0xca/0x110 [ 21.384810] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.384818] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.384825] [] ? __lru_cache_add+0x187/0x250 [ 21.384834] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.384840] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.384848] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.384854] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.384861] [] ? __lock_is_held+0xa1/0xf0 [ 21.384867] [] ? __pmd_alloc+0x410/0x410 [ 21.384873] [] ? __fget_light+0x158/0x1e0 [ 21.384879] [] ? __fdget+0x18/0x20 [ 21.384886] [] __sys_sendmsg+0xd6/0x190 [ 21.384891] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.384899] [] ? __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 [ 21.384906] [] ? __do_page_fault+0x3bd/0xd40 [ 21.384914] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.384920] [] SyS_sendmsg+0x2d/0x50 [ 21.384927] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.386566] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.386575] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.386581] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.386584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.386594] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.386603] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 21.386611] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.386613] Call Trace: [ 21.386620] [] dump_stack+0xc1/0x128 [ 21.386628] [] check_preemption_disabled+0x1d4/0x200 [ 21.386636] [] __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 [ 21.386643] [] ipcomp_init_state+0x188/0x930 [ 21.386651] [] ? __lock_is_held+0xa1/0xf0 [ 21.386657] [] ipcomp6_init_state+0xb5/0x820 [ 21.386663] [] ? __xfrm_init_state+0x363/0xb30 [ 21.386669] [] __xfrm_init_state+0x3e7/0xb30 [ 21.386676] [] xfrm_add_sa+0x1916/0x2e40 [ 21.386684] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.386691] [] ? nla_parse+0x213/0x260 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.386698] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.386704] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.386710] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.386719] [] netlink_rcv_skb+0x13e/0x370 [ 21.386725] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.386731] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.386738] [] netlink_unicast+0x511/0x750 [ 21.386744] [] ? netlink_unicast+0x43c/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.386751] [] ? netlink_attachskb+0x680/0x680 [ 21.386757] [] netlink_sendmsg+0x8e8/0xc50 [ 21.386764] [] ? netlink_unicast+0x750/0x750 [ 21.386771] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.386778] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.386784] [] ? netlink_unicast+0x750/0x750 [ 21.386791] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.386798] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.386806] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.386813] [] ? __lru_cache_add+0x187/0x250 [ 21.386821] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.386827] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.386834] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.386840] [] ? 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 [ 21.386847] [] ? __lock_is_held+0xa1/0xf0 [ 21.386853] [] ? __pmd_alloc+0x410/0x410 [ 21.386859] [] ? __fget_light+0x158/0x1e0 [ 21.386864] [] ? __fdget+0x18/0x20 [ 21.386870] [] __sys_sendmsg+0xd6/0x190 [ 21.386876] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.386883] [] ? __do_page_fault+0x5ec/0xd40 [ 21.386890] [] ? __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 executing program executing program executing program executing program executing program [ 21.386898] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.386904] [] SyS_sendmsg+0x2d/0x50 [ 21.386911] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.387941] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.387949] 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 [ 21.387955] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.387958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.387968] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.387977] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.387985] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.387987] Call Trace: [ 21.387994] [] dump_stack+0xc1/0x128 [ 21.388002] [] check_preemption_disabled+0x1d4/0x200 [ 21.388010] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.388019] [] ipcomp_init_state+0x188/0x930 [ 21.388026] [] ? __lock_is_held+0xa1/0xf0 [ 21.388032] [] ipcomp6_init_state+0xb5/0x820 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 [ 21.388039] [] ? __xfrm_init_state+0x363/0xb30 [ 21.388045] [] __xfrm_init_state+0x3e7/0xb30 [ 21.388052] [] xfrm_add_sa+0x1916/0x2e40 [ 21.388059] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.388065] [] ? nla_parse+0x213/0x260 [ 21.388071] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.388078] [] xfrm_user_rcv_msg+0x413/0x6a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.388084] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.388092] [] netlink_rcv_skb+0x13e/0x370 [ 21.388098] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.388104] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.388110] [] netlink_unicast+0x511/0x750 [ 21.388117] [] ? netlink_unicast+0x43c/0x750 [ 21.388123] [] ? netlink_attachskb+0x680/0x680 [ 21.388130] [] netlink_sendmsg+0x8e8/0xc50 [ 21.388136] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.388143] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.388150] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.388156] [] ? netlink_unicast+0x750/0x750 [ 21.388162] [] sock_sendmsg+0xca/0x110 [ 21.388170] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.388177] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.388184] [] ? __lru_cache_add+0x187/0x250 [ 21.388192] [] ? 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 [ 21.388198] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.388206] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.388218] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.388224] [] ? __lock_is_held+0xa1/0xf0 [ 21.388230] [] ? __pmd_alloc+0x410/0x410 [ 21.388236] [] ? __fget_light+0x158/0x1e0 [ 21.388242] [] ? __fdget+0x18/0x20 [ 21.388248] [] __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.388255] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.388262] [] ? __do_page_fault+0x5ec/0xd40 [ 21.388269] [] ? __do_page_fault+0x3bd/0xd40 [ 21.388277] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.388283] [] SyS_sendmsg+0x2d/0x50 [ 21.388289] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.389289] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.389297] 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 [ 21.389301] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.389304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.389312] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 21.389321] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 21.389329] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.389331] Call Trace: [ 21.389338] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.389346] [] check_preemption_disabled+0x1d4/0x200 [ 21.389354] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.389361] [] ipcomp_init_state+0x188/0x930 [ 21.389368] [] ? __lock_is_held+0xa1/0xf0 [ 21.389375] [] ipcomp6_init_state+0xb5/0x820 [ 21.389381] [] ? __xfrm_init_state+0x363/0xb30 [ 21.389387] [] __xfrm_init_state+0x3e7/0xb30 [ 21.389394] [] xfrm_add_sa+0x1916/0x2e40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.389402] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.389409] [] ? nla_parse+0x213/0x260 [ 21.389416] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.389423] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.389429] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.389438] [] netlink_rcv_skb+0x13e/0x370 [ 21.389445] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.389451] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.389458] [] netlink_unicast+0x511/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.389465] [] ? netlink_unicast+0x43c/0x750 [ 21.389472] [] ? netlink_attachskb+0x680/0x680 [ 21.389479] [] netlink_sendmsg+0x8e8/0xc50 [ 21.389486] [] ? netlink_unicast+0x750/0x750 [ 21.389493] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.389500] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.389507] [] ? netlink_unicast+0x750/0x750 [ 21.389514] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.389521] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.389529] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.389536] [] ? __lru_cache_add+0x187/0x250 [ 21.389545] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.389551] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.389559] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.389565] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.389572] [] ? __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 [ 21.389578] [] ? __pmd_alloc+0x410/0x410 [ 21.389584] [] ? __fget_light+0x158/0x1e0 [ 21.389590] [] ? __fdget+0x18/0x20 [ 21.389596] [] __sys_sendmsg+0xd6/0x190 [ 21.389602] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.389610] [] ? __do_page_fault+0x5ec/0xd40 [ 21.389617] [] ? __do_page_fault+0x3bd/0xd40 [ 21.389625] [] ? 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 [ 21.389632] [] SyS_sendmsg+0x2d/0x50 [ 21.389638] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.393371] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller147315/3321 [ 21.393380] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.393385] CPU: 0 PID: 3321 Comm: syzkaller147315 Not tainted 4.9.78-gf518fe4 #22 [ 21.393388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.393398] ffff8801c82f7478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.393405] ffffffff83f45480 ffff8801cbe56000 0000000000000003 ffff8801c82f74b8 [ 21.393412] ffffffff81dfb974 ffff8801c82f74d0 ffffffff83f45480 dffffc0000000000 [ 21.393413] Call Trace: [ 21.393421] [] dump_stack+0xc1/0x128 [ 21.393428] [] check_preemption_disabled+0x1d4/0x200 [ 21.393435] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.393442] [] ipcomp_init_state+0x188/0x930 [ 21.393450] [] ? __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 [ 21.393456] [] ipcomp6_init_state+0xb5/0x820 [ 21.393461] [] ? __xfrm_init_state+0x363/0xb30 [ 21.393467] [] __xfrm_init_state+0x3e7/0xb30 [ 21.393473] [] xfrm_add_sa+0x1916/0x2e40 [ 21.393480] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.393486] [] ? nla_parse+0x213/0x260 [ 21.393493] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.393499] [] xfrm_user_rcv_msg+0x413/0x6a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.393505] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.393513] [] netlink_rcv_skb+0x13e/0x370 [ 21.393520] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.393526] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.393532] [] netlink_unicast+0x511/0x750 [ 21.393539] [] ? netlink_unicast+0x43c/0x750 [ 21.393545] [] ? netlink_attachskb+0x680/0x680 [ 21.393552] [] netlink_sendmsg+0x8e8/0xc50 [ 21.393559] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.393565] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.393572] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.393578] [] ? netlink_unicast+0x750/0x750 [ 21.393585] [] sock_sendmsg+0xca/0x110 [ 21.393592] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.393599] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.393607] [] ? __lru_cache_add+0x187/0x250 [ 21.393615] [] ? 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 [ 21.393621] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.393628] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.393635] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.393641] [] ? __lock_is_held+0xa1/0xf0 [ 21.393647] [] ? __pmd_alloc+0x410/0x410 [ 21.393654] [] ? __fget_light+0x158/0x1e0 [ 21.393659] [] ? __fdget+0x18/0x20 [ 21.393665] [] __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.393671] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.393679] [] ? __do_page_fault+0x5ec/0xd40 [ 21.393686] [] ? __do_page_fault+0x3bd/0xd40 [ 21.393694] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.393700] [] SyS_sendmsg+0x2d/0x50 [ 21.393707] [] entry_SYSCALL_64_fastpath+0x29/0xe8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.730900] random: crng init done executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing p