[....] Starting enhanced syslogd: rsyslogd[ 12.743139] audit: type=1400 audit(1518071215.313:4): avc: denied { syslog } for pid=3650 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 73.076314] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.085051] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.090489] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.098163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.107491] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.115470] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.123434] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.131661] Call Trace: [ 73.134223] [] dump_stack+0xc1/0x128 [ 73.139569] [] check_preemption_disabled+0x1d4/0x200 [ 73.146291] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.152754] [] ipcomp_init_state+0x188/0x930 [ 73.158782] [] ? __lock_is_held+0xa1/0xf0 [ 73.164549] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.170584] [] __xfrm_init_state+0x3e7/0xb30 [ 73.176608] [] xfrm_add_sa+0x1916/0x2e40 [ 73.182288] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.189095] [] ? nla_parse+0x213/0x260 [ 73.194599] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.201406] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.207432] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.213473] [] netlink_rcv_skb+0x13e/0x370 [ 73.219322] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.225345] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.231119] [] netlink_unicast+0x511/0x750 [ 73.236969] [] ? netlink_unicast+0x43c/0x750 [ 73.242995] [] ? netlink_attachskb+0x680/0x680 [ 73.249202] [] netlink_sendmsg+0x8e8/0xc50 [ 73.255055] [] ? netlink_unicast+0x750/0x750 [ 73.261093] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.267555] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.274118] [] ? netlink_unicast+0x750/0x750 [ 73.280152] [] sock_sendmsg+0xca/0x110 [ 73.285657] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.291424] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.297974] [] ? __lru_cache_add+0x187/0x250 [ 73.304003] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.311072] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.317014] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.324086] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.330206] [] ? __lock_is_held+0xa1/0xf0 [ 73.335971] [] ? __pmd_alloc+0x410/0x410 [ 73.341651] [] ? __fget_light+0x158/0x1e0 [ 73.347417] [] ? __fdget+0x18/0x20 [ 73.352576] [] __sys_sendmsg+0xd6/0x190 [ 73.358184] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.363954] [] ? __do_page_fault+0x5ec/0xd40 [ 73.369983] [] ? __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 [ 73.376011] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.382820] [] SyS_sendmsg+0x2d/0x50 [ 73.388153] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.397771] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.406484] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.406490] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.406510] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.406515] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.406520] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.406521] Call Trace: [ 73.406530] [] dump_stack+0xc1/0x128 [ 73.406535] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406539] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.406547] [] ipcomp_init_state+0x188/0x930 [ 73.406556] [] ? __lock_is_held+0xa1/0xf0 [ 73.406562] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.406566] [] __xfrm_init_state+0x3e7/0xb30 [ 73.406570] [] xfrm_add_sa+0x1916/0x2e40 [ 73.406575] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.406582] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406586] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.406589] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.406593] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.406601] [] netlink_rcv_skb+0x13e/0x370 [ 73.406604] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.406608] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.406612] [] netlink_unicast+0x511/0x750 [ 73.406616] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406619] [] ? netlink_attachskb+0x680/0x680 [ 73.406623] [] netlink_sendmsg+0x8e8/0xc50 [ 73.406627] [] ? netlink_unicast+0x750/0x750 [ 73.406634] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.406641] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.406644] [] ? netlink_unicast+0x750/0x750 [ 73.406651] [] sock_sendmsg+0xca/0x110 [ 73.406654] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.406658] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406667] [] ? __lru_cache_add+0x187/0x250 [ 73.406674] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.406679] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.406684] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.406689] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.406693] [] ? __lock_is_held+0xa1/0xf0 [ 73.406696] [] ? __pmd_alloc+0x410/0x410 [ 73.406703] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.406706] [] ? __fdget+0x18/0x20 [ 73.406710] [] __sys_sendmsg+0xd6/0x190 [ 73.406713] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.406721] [] ? __do_page_fault+0x5ec/0xd40 [ 73.406725] [] ? __do_page_fault+0x3bd/0xd40 [ 73.406730] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.406734] [] SyS_sendmsg+0x2d/0x50 [ 73.406738] [] 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 [ 73.408223] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.408231] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.408234] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.408237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.408243] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.408248] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408253] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.408254] Call Trace: [ 73.408259] [] dump_stack+0xc1/0x128 [ 73.408263] [] check_preemption_disabled+0x1d4/0x200 [ 73.408267] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.408273] [] ipcomp_init_state+0x188/0x930 [ 73.408277] [] ? __lock_is_held+0xa1/0xf0 [ 73.408283] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.408286] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408290] [] xfrm_add_sa+0x1916/0x2e40 [ 73.408294] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.408299] [] ? nla_parse+0x213/0x260 [ 73.408303] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.408307] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.408311] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.408317] [] netlink_rcv_skb+0x13e/0x370 [ 73.408321] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408325] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.408328] [] netlink_unicast+0x511/0x750 [ 73.408332] [] ? netlink_unicast+0x43c/0x750 [ 73.408336] [] ? netlink_attachskb+0x680/0x680 [ 73.408340] [] netlink_sendmsg+0x8e8/0xc50 [ 73.408344] [] ? netlink_unicast+0x750/0x750 [ 73.408349] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.408354] [] ? security_socket_sendmsg+0x89/0xb0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408358] [] ? netlink_unicast+0x750/0x750 [ 73.408363] [] sock_sendmsg+0xca/0x110 [ 73.408366] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.408371] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.408377] [] ? __lru_cache_add+0x187/0x250 [ 73.408383] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.408387] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.408391] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408395] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.408399] [] ? __lock_is_held+0xa1/0xf0 [ 73.408402] [] ? __pmd_alloc+0x410/0x410 [ 73.408408] [] ? __fget_light+0x158/0x1e0 [ 73.408411] [] ? __fdget+0x18/0x20 [ 73.408414] [] __sys_sendmsg+0xd6/0x190 [ 73.408417] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.408422] [] ? __do_page_fault+0x5ec/0xd40 [ 73.408426] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.408431] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.408435] [] SyS_sendmsg+0x2d/0x50 [ 73.408439] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.409194] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.409199] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.409203] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.409205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409212] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.409216] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.409221] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.409222] Call Trace: [ 73.409227] [] dump_stack+0xc1/0x128 [ 73.409231] [] check_preemption_disabled+0x1d4/0x200 [ 73.409236] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.409241] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409245] [] ? __lock_is_held+0xa1/0xf0 [ 73.409249] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.409252] [] __xfrm_init_state+0x3e7/0xb30 [ 73.409256] [] xfrm_add_sa+0x1916/0x2e40 [ 73.409260] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.409264] [] ? nla_parse+0x213/0x260 [ 73.409268] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.409272] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409275] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.409280] [] netlink_rcv_skb+0x13e/0x370 [ 73.409284] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.409288] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.409291] [] netlink_unicast+0x511/0x750 [ 73.409295] [] ? netlink_unicast+0x43c/0x750 [ 73.409299] [] ? netlink_attachskb+0x680/0x680 [ 73.409303] [] netlink_sendmsg+0x8e8/0xc50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409306] [] ? netlink_unicast+0x750/0x750 [ 73.409311] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.409315] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.409319] [] ? netlink_unicast+0x750/0x750 [ 73.409324] [] sock_sendmsg+0xca/0x110 [ 73.409327] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.409331] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.409337] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409342] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.409346] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.409350] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.409354] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.409357] [] ? __lock_is_held+0xa1/0xf0 [ 73.409361] [] ? __pmd_alloc+0x410/0x410 [ 73.409365] [] ? __fget_light+0x158/0x1e0 [ 73.409368] [] ? __fdget+0x18/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.409371] [] __sys_sendmsg+0xd6/0x190 [ 73.409375] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.409379] [] ? __do_page_fault+0x5ec/0xd40 [ 73.409383] [] ? __do_page_fault+0x3bd/0xd40 [ 73.409387] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.409391] [] SyS_sendmsg+0x2d/0x50 [ 73.409395] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.410154] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410160] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.410164] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.410166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.410172] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.410176] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.410181] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.410182] Call Trace: [ 73.410186] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410191] [] check_preemption_disabled+0x1d4/0x200 [ 73.410195] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.410200] [] ipcomp_init_state+0x188/0x930 [ 73.410205] [] ? __lock_is_held+0xa1/0xf0 [ 73.410209] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.410213] [] __xfrm_init_state+0x3e7/0xb30 [ 73.410216] [] xfrm_add_sa+0x1916/0x2e40 [ 73.410220] [] ? xfrm_send_state_notify+0x17d0/0x17d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410225] [] ? nla_parse+0x213/0x260 [ 73.410229] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.410232] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.410236] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.410241] [] netlink_rcv_skb+0x13e/0x370 [ 73.410245] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.410249] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.410252] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410256] [] ? netlink_unicast+0x43c/0x750 [ 73.410260] [] ? netlink_attachskb+0x680/0x680 [ 73.410264] [] netlink_sendmsg+0x8e8/0xc50 [ 73.410268] [] ? netlink_unicast+0x750/0x750 [ 73.410272] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.410276] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.410279] [] ? netlink_unicast+0x750/0x750 [ 73.410284] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410287] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.410291] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.410296] [] ? __lru_cache_add+0x187/0x250 [ 73.410301] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.410305] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.410309] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.410312] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.410316] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410319] [] ? __pmd_alloc+0x410/0x410 [ 73.410323] [] ? __fget_light+0x158/0x1e0 [ 73.410326] [] ? __fdget+0x18/0x20 [ 73.410330] [] __sys_sendmsg+0xd6/0x190 [ 73.410333] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.410337] [] ? __do_page_fault+0x5ec/0xd40 [ 73.410341] [] ? __do_page_fault+0x3bd/0xd40 [ 73.410345] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410349] [] SyS_sendmsg+0x2d/0x50 [ 73.410353] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.410965] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.410969] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.410973] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.410975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.410981] ffff8801d7a3f490 ffffffff81d94b69 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.410985] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.410990] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.410991] Call Trace: [ 73.410995] [] dump_stack+0xc1/0x128 [ 73.411000] [] check_preemption_disabled+0x1d4/0x200 [ 73.411004] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.411008] [] ipcomp_init_state+0x188/0x930 [ 73.411012] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.411016] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.411027] [] __xfrm_init_state+0x3e7/0xb30 [ 73.411031] [] xfrm_add_sa+0x1916/0x2e40 [ 73.411035] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.411039] [] ? nla_parse+0x213/0x260 [ 73.411043] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.411047] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.411051] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.411056] [] netlink_rcv_skb+0x13e/0x370 [ 73.411059] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.411063] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.411067] [] netlink_unicast+0x511/0x750 [ 73.411070] [] ? netlink_unicast+0x43c/0x750 [ 73.411074] [] ? netlink_attachskb+0x680/0x680 [ 73.411083] [] netlink_sendmsg+0x8e8/0xc50 [ 73.411087] [] ? netlink_unicast+0x750/0x750 [ 73.411091] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.411095] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.411099] [] ? netlink_unicast+0x750/0x750 [ 73.411103] [] sock_sendmsg+0xca/0x110 [ 73.411106] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.411111] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.411115] [] ? __lru_cache_add+0x187/0x250 [ 73.411120] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.411124] [] ? _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 [ 73.411128] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.411132] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.411136] [] ? __lock_is_held+0xa1/0xf0 [ 73.411139] [] ? __pmd_alloc+0x410/0x410 [ 73.411143] [] ? __fget_light+0x158/0x1e0 [ 73.411146] [] ? __fdget+0x18/0x20 [ 73.411149] [] __sys_sendmsg+0xd6/0x190 [ 73.411153] [] ? 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 executing program executing program executing program executing program executing program executing program executing program [ 73.411157] [] ? __do_page_fault+0x5ec/0xd40 [ 73.411161] [] ? __do_page_fault+0x3bd/0xd40 [ 73.411165] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.411169] [] SyS_sendmsg+0x2d/0x50 [ 73.411172] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.411809] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.411814] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.411817] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.411819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.411825] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.411829] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.411834] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.411835] Call Trace: [ 73.411839] [] dump_stack+0xc1/0x128 [ 73.411844] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.411848] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.411852] [] ipcomp_init_state+0x188/0x930 [ 73.411856] [] ? __lock_is_held+0xa1/0xf0 [ 73.411860] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.411864] [] __xfrm_init_state+0x3e7/0xb30 [ 73.411867] [] xfrm_add_sa+0x1916/0x2e40 [ 73.411872] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.411876] [] ? 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 [ 73.411880] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.411884] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.411887] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.411893] [] netlink_rcv_skb+0x13e/0x370 [ 73.411896] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.411900] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.411904] [] netlink_unicast+0x511/0x750 [ 73.411907] [] ? 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 executing program executing program executing program [ 73.411911] [] ? netlink_attachskb+0x680/0x680 [ 73.411915] [] netlink_sendmsg+0x8e8/0xc50 [ 73.411919] [] ? netlink_unicast+0x750/0x750 [ 73.411923] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.411927] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.411931] [] ? netlink_unicast+0x750/0x750 [ 73.411935] [] sock_sendmsg+0xca/0x110 [ 73.411938] [] ___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 executing program executing program executing program executing program executing program executing program [ 73.411942] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.411947] [] ? __lru_cache_add+0x187/0x250 [ 73.411951] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.411955] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.411959] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.411963] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.411966] [] ? __lock_is_held+0xa1/0xf0 [ 73.411970] [] ? __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 executing program executing program executing program executing program executing program executing program executing program [ 73.411974] [] ? __fget_light+0x158/0x1e0 [ 73.411977] [] ? __fdget+0x18/0x20 [ 73.411980] [] __sys_sendmsg+0xd6/0x190 [ 73.411983] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.411987] [] ? __do_page_fault+0x5ec/0xd40 [ 73.411992] [] ? __do_page_fault+0x3bd/0xd40 [ 73.411996] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.411999] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.412003] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.414005] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.414013] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.414026] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.414028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.414035] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.414039] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.414044] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.414045] Call Trace: [ 73.414050] [] dump_stack+0xc1/0x128 [ 73.414055] [] check_preemption_disabled+0x1d4/0x200 [ 73.414059] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.414064] [] ipcomp_init_state+0x188/0x930 [ 73.414071] [] ? __lock_is_held+0xa1/0xf0 [ 73.414075] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.414078] [] __xfrm_init_state+0x3e7/0xb30 [ 73.414082] [] xfrm_add_sa+0x1916/0x2e40 [ 73.414086] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.414091] [] ? nla_parse+0x213/0x260 [ 73.414095] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.414099] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.414102] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.414108] [] 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 executing program executing program executing program executing program executing program executing program [ 73.414111] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.414115] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.414119] [] netlink_unicast+0x511/0x750 [ 73.414122] [] ? netlink_unicast+0x43c/0x750 [ 73.414126] [] ? netlink_attachskb+0x680/0x680 [ 73.414130] [] netlink_sendmsg+0x8e8/0xc50 [ 73.414134] [] ? netlink_unicast+0x750/0x750 [ 73.414138] [] ? 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 [ 73.414143] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.414146] [] ? netlink_unicast+0x750/0x750 [ 73.414151] [] sock_sendmsg+0xca/0x110 [ 73.414154] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.414159] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.414164] [] ? __lru_cache_add+0x187/0x250 [ 73.414169] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.414172] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.414180] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.414184] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.414187] [] ? __lock_is_held+0xa1/0xf0 [ 73.414191] [] ? __pmd_alloc+0x410/0x410 [ 73.414194] [] ? __fget_light+0x158/0x1e0 [ 73.414198] [] ? __fdget+0x18/0x20 [ 73.414201] [] __sys_sendmsg+0xd6/0x190 [ 73.414204] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.414209] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.414213] [] ? __do_page_fault+0x3bd/0xd40 [ 73.414217] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.414221] [] SyS_sendmsg+0x2d/0x50 [ 73.414225] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 73.418434] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.418440] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.418444] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.418453] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.418458] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.418462] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 [ 73.418463] Call Trace: [ 73.418468] [] dump_stack+0xc1/0x128 [ 73.418473] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418477] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.418482] [] ipcomp_init_state+0x188/0x930 [ 73.418487] [] ? __lock_is_held+0xa1/0xf0 [ 73.418491] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.418495] [] __xfrm_init_state+0x3e7/0xb30 [ 73.418498] [] xfrm_add_sa+0x1916/0x2e40 [ 73.418503] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.418507] [] ? nla_parse+0x213/0x260 [ 73.418511] [] ? xfrm_send_state_notify+0x17d0/0x17d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418515] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.418518] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.418523] [] netlink_rcv_skb+0x13e/0x370 [ 73.418527] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.418530] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.418534] [] netlink_unicast+0x511/0x750 [ 73.418538] [] ? netlink_unicast+0x43c/0x750 [ 73.418542] [] ? netlink_attachskb+0x680/0x680 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418545] [] netlink_sendmsg+0x8e8/0xc50 [ 73.418549] [] ? netlink_unicast+0x750/0x750 [ 73.418553] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.418558] [] ? security_socket_sendmsg+0x89/0xb0 [ 73.418562] [] ? netlink_unicast+0x750/0x750 [ 73.418567] [] sock_sendmsg+0xca/0x110 [ 73.418570] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.418574] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418579] [] ? __lru_cache_add+0x187/0x250 [ 73.418585] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.418588] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.418593] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 73.418596] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.418600] [] ? __lock_is_held+0xa1/0xf0 [ 73.418604] [] ? __pmd_alloc+0x410/0x410 [ 73.418607] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.418610] [] ? __fdget+0x18/0x20 [ 73.418614] [] __sys_sendmsg+0xd6/0x190 [ 73.418617] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.418621] [] ? __do_page_fault+0x5ec/0xd40 [ 73.418625] [] ? __do_page_fault+0x3bd/0xd40 [ 73.418630] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.418633] [] SyS_sendmsg+0x2d/0x50 [ 73.418637] [] 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 [ 73.419294] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller353737/3834 [ 73.419299] caller is __this_cpu_preempt_check+0x1c/0x20 [ 73.419303] CPU: 0 PID: 3834 Comm: syzkaller353737 Not tainted 4.9.80-g20c8a00 #30 [ 73.419305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.419311] ffff8801d7a3f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 73.419316] ffffffff83f454c0 ffff8801d7304800 0000000000000003 ffff8801d7a3f4d0 [ 73.419321] ffffffff81dfc144 ffff8801d7a3f4e8 ffffffff83f454c0 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419321] Call Trace: [ 73.419326] [] dump_stack+0xc1/0x128 [ 73.419330] [] check_preemption_disabled+0x1d4/0x200 [ 73.419335] [] __this_cpu_preempt_check+0x1c/0x20 [ 73.419339] [] ipcomp_init_state+0x188/0x930 [ 73.419343] [] ? __lock_is_held+0xa1/0xf0 [ 73.419347] [] ipcomp4_init_state+0xb0/0x7d0 [ 73.419350] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419354] [] xfrm_add_sa+0x1916/0x2e40 [ 73.419358] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.419362] [] ? nla_parse+0x213/0x260 [ 73.419366] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 73.419369] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 73.419373] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 73.419378] [] netlink_rcv_skb+0x13e/0x370 [ 73.419382] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419386] [] xfrm_netlink_rcv+0x6f/0x90 [ 73.419389] [] netlink_unicast+0x511/0x750 [ 73.419393] [] ? netlink_unicast+0x43c/0x750 [ 73.419397] [] ? netlink_attachskb+0x680/0x680 [ 73.419401] [] netlink_sendmsg+0x8e8/0xc50 [ 73.419405] [] ? netlink_unicast+0x750/0x750 [ 73.419409] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 73.419413] [] ? security_socket_sendmsg+0x89/0xb0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419416] [] ? netlink_unicast+0x750/0x750 [ 73.419421] [] sock_sendmsg+0xca/0x110 [ 73.419424] [] ___sys_sendmsg+0x6d1/0x7e0 [ 73.419428] [] ? copy_msghdr_from_user+0x550/0x550 [ 73.419433] [] ? __lru_cache_add+0x187/0x250 [ 73.419438] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 73.419441] [] ? _raw_spin_unlock+0x2c/0x50 [ 73.419445] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419449] [] ? handle_mm_fault+0x6ee/0x2530 [ 73.419453] [] ? __lock_is_held+0xa1/0xf0 [ 73.419456] [] ? __pmd_alloc+0x410/0x410 [ 73.419460] [] ? __fget_light+0x158/0x1e0 [ 73.419463] [] ? __fdget+0x18/0x20 [ 73.419467] [] __sys_sendmsg+0xd6/0x190 [ 73.419470] [] ? SyS_shutdown+0x1b0/0x1b0 [ 73.419474] [] ? __do_page_fault+0x5ec/0xd40 [ 73.419478] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 73.419483] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 73.419486] [] SyS_sendmsg+0x2d/0x50 [ 73.419490] [] 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 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