INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?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 '10.128.0.58' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 25.313373] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.322114] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.327543] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.335219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.344543] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.352517] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.360496] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.368463] Call Trace: [ 25.371026] [] dump_stack+0xc1/0x128 [ 25.376367] [] check_preemption_disabled+0x1d4/0x200 [ 25.383090] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.389560] [] ipcomp_init_state+0x188/0x930 [ 25.395590] [] ? __lock_is_held+0xa1/0xf0 [ 25.401360] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.407388] [] __xfrm_init_state+0x3e7/0xb30 [ 25.413417] [] xfrm_add_sa+0x1916/0x2e40 [ 25.419099] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.425908] [] ? nla_parse+0x213/0x260 [ 25.431417] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.438226] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.444254] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.450282] [] ? __sys_sendmsg+0xd6/0x190 [ 25.456053] [] netlink_rcv_skb+0x13e/0x370 [ 25.461908] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.467939] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.473719] [] netlink_unicast+0x511/0x750 [ 25.479579] [] ? netlink_unicast+0x43c/0x750 [ 25.485611] [] ? netlink_attachskb+0x680/0x680 [ 25.491813] [] netlink_sendmsg+0x8e8/0xc50 [ 25.497667] [] ? netlink_unicast+0x750/0x750 [ 25.503693] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.510156] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.516703] [] ? netlink_unicast+0x750/0x750 [ 25.522731] [] sock_sendmsg+0xca/0x110 [ 25.528234] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.533999] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.540549] [] ? check_preemption_disabled+0x3b/0x200 [ 25.547360] [] ? check_preemption_disabled+0x3b/0x200 [ 25.554176] [] ? debug_mutex_init+0x1c/0x60 [ 25.560115] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.566938] [] ? __lock_is_held+0xa1/0xf0 [ 25.572713] [] ? check_preemption_disabled+0x3b/0x200 [ 25.579519] [] ? __fd_install+0x223/0x5f0 [ 25.585284] [] ? __fget_light+0x169/0x1f0 [ 25.591060] [] ? __fdget+0x18/0x20 [ 25.596218] [] ? sockfd_lookup_light+0x118/0x160 [ 25.602592] [] __sys_sendmsg+0xd6/0x190 [ 25.608182] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 25.613950] [] ? fd_install+0x4d/0x60 [ 25.619368] [] ? move_addr_to_kernel+0x50/0x50 [ 25.625566] [] SyS_sendmsg+0x2d/0x50 [ 25.630896] [] ? __sys_sendmsg+0x190/0x190 [ 25.636747] [] do_syscall_64+0x1a4/0x490 [ 25.642427] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.650777] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.659477] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.665130] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.672818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.682144] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.690117] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.698084] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.706056] Call Trace: [ 25.708617] [] dump_stack+0xc1/0x128 [ 25.713954] [] check_preemption_disabled+0x1d4/0x200 [ 25.720677] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.727141] [] ipcomp_init_state+0x188/0x930 [ 25.733178] [] ? __lock_is_held+0xa1/0xf0 [ 25.738958] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.744987] [] __xfrm_init_state+0x3e7/0xb30 [ 25.751016] [] xfrm_add_sa+0x1916/0x2e40 [ 25.756722] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.763539] [] ? nla_parse+0x213/0x260 [ 25.769048] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.775856] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.781882] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.787909] [] ? __sys_sendmsg+0xd6/0x190 [ 25.793686] [] netlink_rcv_skb+0x13e/0x370 [ 25.799538] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.805567] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.811335] [] netlink_unicast+0x511/0x750 [ 25.817213] [] ? netlink_unicast+0x43c/0x750 [ 25.823258] [] ? netlink_attachskb+0x680/0x680 [ 25.829467] [] netlink_sendmsg+0x8e8/0xc50 [ 25.835325] [] ? netlink_unicast+0x750/0x750 [ 25.841354] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.847816] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.854365] [] ? netlink_unicast+0x750/0x750 [ 25.860391] [] sock_sendmsg+0xca/0x110 [ 25.865896] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.871664] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.878212] [] ? check_preemption_disabled+0x3b/0x200 [ 25.885019] [] ? check_preemption_disabled+0x3b/0x200 [ 25.891831] [] ? debug_mutex_init+0x1c/0x60 [ 25.897772] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.904584] [] ? __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 [ 25.910361] [] ? check_preemption_disabled+0x3b/0x200 [ 25.917173] [] ? __fd_install+0x223/0x5f0 [ 25.922938] [] ? __fget_light+0x169/0x1f0 [ 25.928706] [] ? __fdget+0x18/0x20 [ 25.933867] [] ? sockfd_lookup_light+0x118/0x160 [ 25.940245] [] __sys_sendmsg+0xd6/0x190 [ 25.945857] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.945865] [] ? fd_install+0x4d/0x60 [ 25.945872] [] ? move_addr_to_kernel+0x50/0x50 [ 25.945876] [] SyS_sendmsg+0x2d/0x50 [ 25.945885] [] ? __sys_sendmsg+0x190/0x190 [ 25.945893] [] do_syscall_64+0x1a4/0x490 [ 25.945902] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.949924] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.949935] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.949942] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.949945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.949956] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.949965] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.949973] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.949974] Call Trace: [ 25.949982] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.949990] [] check_preemption_disabled+0x1d4/0x200 [ 25.949998] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.950007] [] ipcomp_init_state+0x188/0x930 [ 25.950017] [] ? __lock_is_held+0xa1/0xf0 [ 25.950025] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.950031] [] __xfrm_init_state+0x3e7/0xb30 [ 25.950038] [] xfrm_add_sa+0x1916/0x2e40 [ 25.950045] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950052] [] ? nla_parse+0x213/0x260 [ 25.950059] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.950065] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.950072] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.950081] [] netlink_rcv_skb+0x13e/0x370 [ 25.950087] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.950093] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.950100] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950106] [] ? netlink_unicast+0x43c/0x750 [ 25.950113] [] ? netlink_attachskb+0x680/0x680 [ 25.950120] [] netlink_sendmsg+0x8e8/0xc50 [ 25.950127] [] ? netlink_unicast+0x750/0x750 [ 25.950134] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.950141] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.950148] [] ? netlink_unicast+0x750/0x750 [ 25.950154] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950159] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.950167] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.950175] [] ? check_preemption_disabled+0x3b/0x200 [ 25.950182] [] ? check_preemption_disabled+0x3b/0x200 [ 25.950189] [] ? debug_mutex_init+0x1c/0x60 [ 25.950195] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.950202] [] ? __lock_is_held+0xa1/0xf0 [ 25.950209] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950216] [] ? __fd_install+0x223/0x5f0 [ 25.950221] [] ? __fget_light+0x169/0x1f0 [ 25.950227] [] ? __fdget+0x18/0x20 [ 25.950233] [] ? sockfd_lookup_light+0x118/0x160 [ 25.950239] [] __sys_sendmsg+0xd6/0x190 [ 25.950245] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.950251] [] ? fd_install+0x4d/0x60 [ 25.950257] [] ? move_addr_to_kernel+0x50/0x50 [ 25.950263] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950269] [] ? __sys_sendmsg+0x190/0x190 [ 25.950275] [] do_syscall_64+0x1a4/0x490 [ 25.950283] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.950630] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.950637] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.950643] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.950646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950655] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.950664] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.950672] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.950673] Call Trace: [ 25.950680] [] dump_stack+0xc1/0x128 [ 25.950687] [] check_preemption_disabled+0x1d4/0x200 [ 25.950695] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.950702] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950708] [] ? __lock_is_held+0xa1/0xf0 [ 25.950715] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.950721] [] __xfrm_init_state+0x3e7/0xb30 [ 25.950728] [] xfrm_add_sa+0x1916/0x2e40 [ 25.950735] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.950742] [] ? nla_parse+0x213/0x260 [ 25.950749] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.950755] [] xfrm_user_rcv_msg+0x40d/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 executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950762] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.950768] [] ? __sys_sendmsg+0xd6/0x190 [ 25.950776] [] netlink_rcv_skb+0x13e/0x370 [ 25.950783] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.950789] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.950795] [] netlink_unicast+0x511/0x750 [ 25.950802] [] ? netlink_unicast+0x43c/0x750 [ 25.950808] [] ? netlink_attachskb+0x680/0x680 [ 25.950815] [] 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 executing program executing program [ 25.950822] [] ? netlink_unicast+0x750/0x750 [ 25.950829] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.950836] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.950842] [] ? netlink_unicast+0x750/0x750 [ 25.950848] [] sock_sendmsg+0xca/0x110 [ 25.950853] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.950859] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.950867] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950874] [] ? check_preemption_disabled+0x3b/0x200 [ 25.950881] [] ? debug_mutex_init+0x1c/0x60 [ 25.950887] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.950894] [] ? __lock_is_held+0xa1/0xf0 [ 25.950901] [] ? check_preemption_disabled+0x3b/0x200 [ 25.950908] [] ? __fd_install+0x223/0x5f0 [ 25.950921] [] ? __fget_light+0x169/0x1f0 [ 25.950927] [] ? __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 [ 25.950933] [] ? sockfd_lookup_light+0x118/0x160 [ 25.950939] [] __sys_sendmsg+0xd6/0x190 [ 25.950944] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.950951] [] ? fd_install+0x4d/0x60 [ 25.950957] [] ? move_addr_to_kernel+0x50/0x50 [ 25.950963] [] SyS_sendmsg+0x2d/0x50 [ 25.950969] [] ? __sys_sendmsg+0x190/0x190 [ 25.950974] [] do_syscall_64+0x1a4/0x490 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.950982] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.951367] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.951374] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.951379] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.951382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.951392] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.951400] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.951408] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.951409] Call Trace: [ 25.951416] [] dump_stack+0xc1/0x128 [ 25.951423] [] check_preemption_disabled+0x1d4/0x200 [ 25.951430] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.951436] [] ipcomp_init_state+0x188/0x930 [ 25.951443] [] ? __lock_is_held+0xa1/0xf0 [ 25.951450] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.951456] [] __xfrm_init_state+0x3e7/0xb30 [ 25.951463] [] xfrm_add_sa+0x1916/0x2e40 [ 25.951470] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.951476] [] ? nla_parse+0x213/0x260 [ 25.951483] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.951489] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.951496] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.951502] [] ? __sys_sendmsg+0xd6/0x190 [ 25.951510] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.951516] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.951522] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.951529] [] netlink_unicast+0x511/0x750 [ 25.951535] [] ? netlink_unicast+0x43c/0x750 [ 25.951542] [] ? netlink_attachskb+0x680/0x680 [ 25.951549] [] netlink_sendmsg+0x8e8/0xc50 [ 25.951556] [] ? netlink_unicast+0x750/0x750 [ 25.951562] [] ? 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 [ 25.951569] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.951575] [] ? netlink_unicast+0x750/0x750 [ 25.951581] [] sock_sendmsg+0xca/0x110 [ 25.951586] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.951595] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.951603] [] ? check_preemption_disabled+0x3b/0x200 [ 25.951610] [] ? check_preemption_disabled+0x3b/0x200 [ 25.951616] [] ? debug_mutex_init+0x1c/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.951623] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.951630] [] ? __lock_is_held+0xa1/0xf0 [ 25.951637] [] ? check_preemption_disabled+0x3b/0x200 [ 25.951643] [] ? __fd_install+0x223/0x5f0 [ 25.951648] [] ? __fget_light+0x169/0x1f0 [ 25.951654] [] ? __fdget+0x18/0x20 [ 25.951660] [] ? sockfd_lookup_light+0x118/0x160 [ 25.951666] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.951671] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.951677] [] ? fd_install+0x4d/0x60 [ 25.951683] [] ? move_addr_to_kernel+0x50/0x50 [ 25.951689] [] SyS_sendmsg+0x2d/0x50 [ 25.951695] [] ? __sys_sendmsg+0x190/0x190 [ 25.951700] [] do_syscall_64+0x1a4/0x490 [ 25.951708] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952095] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.952102] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.952108] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.952111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.952121] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.952130] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952139] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.952140] Call Trace: [ 25.952147] [] dump_stack+0xc1/0x128 [ 25.952155] [] check_preemption_disabled+0x1d4/0x200 [ 25.952163] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.952170] [] ipcomp_init_state+0x188/0x930 [ 25.952178] [] ? __lock_is_held+0xa1/0xf0 [ 25.952185] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952190] [] __xfrm_init_state+0x3e7/0xb30 [ 25.952196] [] xfrm_add_sa+0x1916/0x2e40 [ 25.952205] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.952213] [] ? nla_parse+0x213/0x260 [ 25.952221] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.952228] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.952237] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.952244] [] ? __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952252] [] netlink_rcv_skb+0x13e/0x370 [ 25.952259] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.952266] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.952274] [] netlink_unicast+0x511/0x750 [ 25.952281] [] ? netlink_unicast+0x43c/0x750 [ 25.952289] [] ? netlink_attachskb+0x680/0x680 [ 25.952295] [] netlink_sendmsg+0x8e8/0xc50 [ 25.952300] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952308] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.952314] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.952320] [] ? netlink_unicast+0x750/0x750 [ 25.952327] [] sock_sendmsg+0xca/0x110 [ 25.952333] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.952340] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.952348] [] ? check_preemption_disabled+0x3b/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 [ 25.952356] [] ? check_preemption_disabled+0x3b/0x200 [ 25.952363] [] ? debug_mutex_init+0x1c/0x60 [ 25.952370] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.952378] [] ? __lock_is_held+0xa1/0xf0 [ 25.952386] [] ? check_preemption_disabled+0x3b/0x200 [ 25.952393] [] ? __fd_install+0x223/0x5f0 [ 25.952400] [] ? __fget_light+0x169/0x1f0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952406] [] ? __fdget+0x18/0x20 [ 25.952414] [] ? sockfd_lookup_light+0x118/0x160 [ 25.952419] [] __sys_sendmsg+0xd6/0x190 [ 25.952426] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.952432] [] ? fd_install+0x4d/0x60 [ 25.952439] [] ? move_addr_to_kernel+0x50/0x50 [ 25.952446] [] SyS_sendmsg+0x2d/0x50 [ 25.952453] [] ? __sys_sendmsg+0x190/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.952460] [] do_syscall_64+0x1a4/0x490 [ 25.952468] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.952834] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.952843] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.952849] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.952854] 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 [ 25.952873] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.952892] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.952919] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.952922] Call Trace: [ 25.952929] [] dump_stack+0xc1/0x128 [ 25.952937] [] check_preemption_disabled+0x1d4/0x200 [ 25.952945] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.952951] [] 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 [ 25.952958] [] ? __lock_is_held+0xa1/0xf0 [ 25.952965] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.952972] [] __xfrm_init_state+0x3e7/0xb30 [ 25.952979] [] xfrm_add_sa+0x1916/0x2e40 [ 25.952986] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.952993] [] ? nla_parse+0x213/0x260 [ 25.953000] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.953007] [] xfrm_user_rcv_msg+0x40d/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 [ 25.953013] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.953020] [] ? __sys_sendmsg+0xd6/0x190 [ 25.953027] [] netlink_rcv_skb+0x13e/0x370 [ 25.953033] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.953041] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.953048] [] netlink_unicast+0x511/0x750 [ 25.953055] [] ? 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 [ 25.953063] [] ? netlink_attachskb+0x680/0x680 [ 25.953070] [] netlink_sendmsg+0x8e8/0xc50 [ 25.953078] [] ? netlink_unicast+0x750/0x750 [ 25.953085] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.953092] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.953100] [] ? netlink_unicast+0x750/0x750 [ 25.953106] [] sock_sendmsg+0xca/0x110 [ 25.953113] [] ___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 executing program executing program executing program executing program executing program executing program executing program [ 25.953120] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.953128] [] ? check_preemption_disabled+0x3b/0x200 [ 25.953136] [] ? check_preemption_disabled+0x3b/0x200 [ 25.953143] [] ? debug_mutex_init+0x1c/0x60 [ 25.953150] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.953158] [] ? __lock_is_held+0xa1/0xf0 [ 25.953165] [] ? check_preemption_disabled+0x3b/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 [ 25.953172] [] ? __fd_install+0x223/0x5f0 [ 25.953179] [] ? __fget_light+0x169/0x1f0 [ 25.953186] [] ? __fdget+0x18/0x20 [ 25.953194] [] ? sockfd_lookup_light+0x118/0x160 [ 25.953202] [] __sys_sendmsg+0xd6/0x190 [ 25.953208] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.953215] [] ? fd_install+0x4d/0x60 [ 25.953222] [] ? move_addr_to_kernel+0x50/0x50 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 [ 25.953229] [] SyS_sendmsg+0x2d/0x50 [ 25.953236] [] ? __sys_sendmsg+0x190/0x190 [ 25.953242] [] do_syscall_64+0x1a4/0x490 [ 25.953250] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.954161] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.954169] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.954175] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.954178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.954188] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.954197] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.954206] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.954207] Call Trace: [ 25.954214] [] dump_stack+0xc1/0x128 [ 25.954222] [] 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 [ 25.954230] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.954237] [] ipcomp_init_state+0x188/0x930 [ 25.954244] [] ? __lock_is_held+0xa1/0xf0 [ 25.954250] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.954256] [] __xfrm_init_state+0x3e7/0xb30 [ 25.954262] [] xfrm_add_sa+0x1916/0x2e40 [ 25.954269] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.954276] [] ? 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 [ 25.954283] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.954289] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.954295] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.954302] [] ? __sys_sendmsg+0xd6/0x190 [ 25.954311] [] netlink_rcv_skb+0x13e/0x370 [ 25.954318] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.954324] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.954330] [] 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 [ 25.954337] [] ? netlink_unicast+0x43c/0x750 [ 25.954344] [] ? netlink_attachskb+0x680/0x680 [ 25.954352] [] netlink_sendmsg+0x8e8/0xc50 [ 25.954358] [] ? netlink_unicast+0x750/0x750 [ 25.954366] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.954373] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.954379] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.954385] [] sock_sendmsg+0xca/0x110 [ 25.954390] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.954396] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.954404] [] ? check_preemption_disabled+0x3b/0x200 [ 25.954410] [] ? check_preemption_disabled+0x3b/0x200 [ 25.954417] [] ? debug_mutex_init+0x1c/0x60 [ 25.954423] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.954432] [] ? __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 [ 25.954439] [] ? check_preemption_disabled+0x3b/0x200 [ 25.954446] [] ? __fd_install+0x223/0x5f0 [ 25.954453] [] ? __fget_light+0x169/0x1f0 [ 25.954459] [] ? __fdget+0x18/0x20 [ 25.954465] [] ? sockfd_lookup_light+0x118/0x160 [ 25.954472] [] __sys_sendmsg+0xd6/0x190 [ 25.954478] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.954485] [] ? fd_install+0x4d/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.954492] [] ? move_addr_to_kernel+0x50/0x50 [ 25.954498] [] SyS_sendmsg+0x2d/0x50 [ 25.954504] [] ? __sys_sendmsg+0x190/0x190 [ 25.954509] [] do_syscall_64+0x1a4/0x490 [ 25.954517] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.954887] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 25.954894] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.954900] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.954903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.954922] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.954931] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.954940] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.954941] Call Trace: [ 25.954948] [] 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 [ 25.954955] [] check_preemption_disabled+0x1d4/0x200 [ 25.954961] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.954967] [] ipcomp_init_state+0x188/0x930 [ 25.954974] [] ? __lock_is_held+0xa1/0xf0 [ 25.954981] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.954987] [] __xfrm_init_state+0x3e7/0xb30 [ 25.954994] [] xfrm_add_sa+0x1916/0x2e40 [ 25.955002] [] ? 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 [ 25.955010] [] ? nla_parse+0x213/0x260 [ 25.955017] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.955024] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.955031] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.955037] [] ? __sys_sendmsg+0xd6/0x190 [ 25.955046] [] netlink_rcv_skb+0x13e/0x370 [ 25.955052] [] ? 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 [ 25.955059] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.955066] [] netlink_unicast+0x511/0x750 [ 25.955073] [] ? netlink_unicast+0x43c/0x750 [ 25.955080] [] ? netlink_attachskb+0x680/0x680 [ 25.955088] [] netlink_sendmsg+0x8e8/0xc50 [ 25.955095] [] ? netlink_unicast+0x750/0x750 [ 25.955102] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 25.955109] [] ? 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 [ 25.955117] [] ? netlink_unicast+0x750/0x750 [ 25.955123] [] sock_sendmsg+0xca/0x110 [ 25.955129] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.955135] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.955143] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955151] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955158] [] ? debug_mutex_init+0x1c/0x60 [ 25.955165] [] ? 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 [ 25.955173] [] ? __lock_is_held+0xa1/0xf0 [ 25.955181] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955187] [] ? __fd_install+0x223/0x5f0 [ 25.955194] [] ? __fget_light+0x169/0x1f0 [ 25.955200] [] ? __fdget+0x18/0x20 [ 25.955206] [] ? sockfd_lookup_light+0x118/0x160 [ 25.955212] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955219] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.955225] [] ? fd_install+0x4d/0x60 [ 25.955232] [] ? move_addr_to_kernel+0x50/0x50 [ 25.955239] [] SyS_sendmsg+0x2d/0x50 [ 25.955244] [] ? __sys_sendmsg+0x190/0x190 [ 25.955251] [] do_syscall_64+0x1a4/0x490 [ 25.955259] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.955619] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955626] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.955632] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 25.955636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.955646] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 25.955655] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 25.955664] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 25.955665] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955672] [] dump_stack+0xc1/0x128 [ 25.955680] [] check_preemption_disabled+0x1d4/0x200 [ 25.955688] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.955696] [] ipcomp_init_state+0x188/0x930 [ 25.955703] [] ? __lock_is_held+0xa1/0xf0 [ 25.955710] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.955716] [] __xfrm_init_state+0x3e7/0xb30 [ 25.955723] [] xfrm_add_sa+0x1916/0x2e40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955731] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.955738] [] ? nla_parse+0x213/0x260 [ 25.955746] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 25.955753] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 25.955760] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.955766] [] ? __sys_sendmsg+0xd6/0x190 [ 25.955775] [] 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 [ 25.955782] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 25.955788] [] xfrm_netlink_rcv+0x6f/0x90 [ 25.955796] [] netlink_unicast+0x511/0x750 [ 25.955803] [] ? netlink_unicast+0x43c/0x750 [ 25.955810] [] ? netlink_attachskb+0x680/0x680 [ 25.955817] [] netlink_sendmsg+0x8e8/0xc50 [ 25.955824] [] ? netlink_unicast+0x750/0x750 [ 25.955831] [] ? 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 [ 25.955839] [] ? security_socket_sendmsg+0x89/0xb0 [ 25.955846] [] ? netlink_unicast+0x750/0x750 [ 25.955852] [] sock_sendmsg+0xca/0x110 [ 25.955858] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.955864] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.955872] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955880] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955887] [] ? debug_mutex_init+0x1c/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955894] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.955902] [] ? __lock_is_held+0xa1/0xf0 [ 25.955918] [] ? check_preemption_disabled+0x3b/0x200 [ 25.955925] [] ? __fd_install+0x223/0x5f0 [ 25.955931] [] ? __fget_light+0x169/0x1f0 [ 25.955937] [] ? __fdget+0x18/0x20 [ 25.955943] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 25.955950] [] __sys_sendmsg+0xd6/0x190 [ 25.955956] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.955963] [] ? fd_install+0x4d/0x60 [ 25.955970] [] ? move_addr_to_kernel+0x50/0x50 [ 25.955976] [] SyS_sendmsg+0x2d/0x50 [ 25.955982] [] ? __sys_sendmsg+0x190/0x190 [ 25.955988] [] do_syscall_64+0x1a4/0x490 [ 25.955996] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.892453] random: crng init done executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.322030] check_preemption_disabled: 6536 callbacks suppressed [ 30.322038] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 30.336984] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.342523] CPU: 0 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 30.350223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.359558] ffff8801c4337430 ffffffff81d95109 0000000000000000 ffffffff83c18c00 [ 30.367552] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 30.375520] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 30.383497] Call Trace: [ 30.386058] [] dump_stack+0xc1/0x128 [ 30.391391] [] check_preemption_disabled+0x1d4/0x200 [ 30.398111] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.404589] [] ipcomp_init_state+0x188/0x930 [ 30.410619] [] ? __lock_is_held+0xa1/0xf0 [ 30.416386] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.422412] [] __xfrm_init_state+0x3e7/0xb30 [ 30.428438] [] xfrm_add_sa+0x1916/0x2e40 [ 30.434117] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 30.440926] [] ? nla_parse+0x213/0x260 [ 30.446430] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 30.453239] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 30.459266] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 30.465295] [] ? __sys_sendmsg+0xd6/0x190 [ 30.471832] [] netlink_rcv_skb+0x13e/0x370 [ 30.477688] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 30.483715] [] xfrm_netlink_rcv+0x6f/0x90 [ 30.489481] [] netlink_unicast+0x511/0x750 [ 30.495335] [] ? netlink_unicast+0x43c/0x750 [ 30.501364] [] ? netlink_attachskb+0x680/0x680 [ 30.507564] [] netlink_sendmsg+0x8e8/0xc50 [ 30.513419] [] ? netlink_unicast+0x750/0x750 [ 30.519446] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 30.525908] [] ? security_socket_sendmsg+0x89/0xb0 [ 30.532455] [] ? netlink_unicast+0x750/0x750 [ 30.538484] [] sock_sendmsg+0xca/0x110 [ 30.543992] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.549757] [] ? SyS_socket+0x162/0x1b0 [ 30.555351] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.561906] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 30.568715] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 30.575613] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.582541] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 30.589444] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 30.596263] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 30.602989] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.609819] [] ? check_preemption_disabled+0x3b/0x200 [ 30.616630] [] ? check_preemption_disabled+0x3b/0x200 [ 30.623438] [] ? sock_destroy_inode+0x56/0x70 [ 30.629549] [] ? sock_destroy_inode+0x56/0x70 [ 30.635665] [] ? __fget_light+0x169/0x1f0 [ 30.641431] [] ? __fdget+0x18/0x20 [ 30.646588] [] ? sockfd_lookup_light+0x118/0x160 [ 30.652960] [] __sys_sendmsg+0xd6/0x190 [ 30.658551] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.664318] [] ? iput+0x2af/0x900 executing program [ 30.669388] [] ? sock_release+0x16d/0x1e0 [ 30.675154] [] ? move_addr_to_kernel+0x50/0x50 [ 30.681355] [] SyS_sendmsg+0x2d/0x50 [ 30.686685] [] ? __sys_sendmsg+0x190/0x190 [ 30.692548] [] do_syscall_64+0x1a4/0x490 [ 30.698239] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.709863] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 30.718623] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.724103] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 30.731803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.741133] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 30.749142] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 30.757150] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 30.765141] Call Trace: [ 30.767701] [] dump_stack+0xc1/0x128 [ 30.773040] [] check_preemption_disabled+0x1d4/0x200 [ 30.779852] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.786327] [] ipcomp_init_state+0x188/0x930 [ 30.792367] [] ? __lock_is_held+0xa1/0xf0 [ 30.798142] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.804180] [] __xfrm_init_state+0x3e7/0xb30 [ 30.810215] [] xfrm_add_sa+0x1916/0x2e40 [ 30.815904] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 30.822737] [] ? nla_parse+0x213/0x260 [ 30.828257] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 30.835072] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 30.841102] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 30.847135] [] ? __sys_sendmsg+0xd6/0x190 [ 30.852914] [] netlink_rcv_skb+0x13e/0x370 [ 30.858775] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 30.864801] [] xfrm_netlink_rcv+0x6f/0x90 [ 30.870574] [] netlink_unicast+0x511/0x750 [ 30.876427] [] ? netlink_unicast+0x43c/0x750 [ 30.882453] [] ? netlink_attachskb+0x680/0x680 [ 30.888677] [] netlink_sendmsg+0x8e8/0xc50 [ 30.894544] [] ? netlink_unicast+0x750/0x750 [ 30.900587] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 30.907058] [] ? security_socket_sendmsg+0x89/0xb0 [ 30.913613] [] ? netlink_unicast+0x750/0x750 [ 30.919646] [] sock_sendmsg+0xca/0x110 [ 30.925158] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.930930] [] ? SyS_socket+0x162/0x1b0 [ 30.936528] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.943082] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 30.949899] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 30.956806] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.963627] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 30.970523] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 30.977336] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 30.984059] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.990868] [] ? check_preemption_disabled+0x3b/0x200 [ 30.997682] [] ? check_preemption_disabled+0x3b/0x200 [ 31.004497] [] ? sock_destroy_inode+0x56/0x70 [ 31.010613] [] ? sock_destroy_inode+0x56/0x70 [ 31.016728] [] ? __fget_light+0x169/0x1f0 [ 31.022495] [] ? __fdget+0x18/0x20 [ 31.027662] [] ? sockfd_lookup_light+0x118/0x160 [ 31.034044] [] __sys_sendmsg+0xd6/0x190 [ 31.039646] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.045422] [] ? iput+0x2af/0x900 [ 31.050506] [] ? sock_release+0x16d/0x1e0 [ 31.056286] [] ? move_addr_to_kernel+0x50/0x50 [ 31.062499] [] SyS_sendmsg+0x2d/0x50 [ 31.067835] [] ? __sys_sendmsg+0x190/0x190 executing program [ 31.073690] [] do_syscall_64+0x1a4/0x490 [ 31.079373] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.089156] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 31.097865] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.103315] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 31.111004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.120339] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 31.128324] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 31.136300] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 31.144276] Call Trace: [ 31.146836] [] dump_stack+0xc1/0x128 [ 31.152174] [] check_preemption_disabled+0x1d4/0x200 [ 31.158903] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.165369] [] ipcomp_init_state+0x188/0x930 [ 31.171404] [] ? __lock_is_held+0xa1/0xf0 [ 31.177179] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.183217] [] __xfrm_init_state+0x3e7/0xb30 [ 31.189254] [] xfrm_add_sa+0x1916/0x2e40 [ 31.194944] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.201761] [] ? nla_parse+0x213/0x260 [ 31.207445] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.214261] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 31.220287] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 31.226315] [] ? __sys_sendmsg+0xd6/0x190 [ 31.232091] [] netlink_rcv_skb+0x13e/0x370 [ 31.237946] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 31.243983] [] xfrm_netlink_rcv+0x6f/0x90 [ 31.249761] [] netlink_unicast+0x511/0x750 [ 31.255631] [] ? netlink_unicast+0x43c/0x750 [ 31.261676] [] ? netlink_attachskb+0x680/0x680 [ 31.267892] [] netlink_sendmsg+0x8e8/0xc50 [ 31.273764] [] ? netlink_unicast+0x750/0x750 [ 31.279814] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 31.286288] [] ? security_socket_sendmsg+0x89/0xb0 [ 31.292846] [] ? netlink_unicast+0x750/0x750 [ 31.298877] [] sock_sendmsg+0xca/0x110 [ 31.305008] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.310788] [] ? SyS_socket+0x162/0x1b0 [ 31.316392] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.322955] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 31.329782] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.336686] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.343507] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 31.350407] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 31.357217] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 31.363947] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.370772] [] ? check_preemption_disabled+0x3b/0x200 [ 31.377581] [] ? check_preemption_disabled+0x3b/0x200 [ 31.384391] [] ? sock_destroy_inode+0x56/0x70 [ 31.390510] [] ? sock_destroy_inode+0x56/0x70 [ 31.396644] [] ? __fget_light+0x169/0x1f0 [ 31.402427] [] ? __fdget+0x18/0x20 [ 31.407591] [] ? sockfd_lookup_light+0x118/0x160 [ 31.413979] [] __sys_sendmsg+0xd6/0x190 [ 31.419581] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.425353] [] ? iput+0x2af/0x900 [ 31.430426] [] ? sock_release+0x16d/0x1e0 [ 31.436193] [] ? move_addr_to_kernel+0x50/0x50 [ 31.442405] [] SyS_sendmsg+0x2d/0x50 [ 31.447755] [] ? __sys_sendmsg+0x190/0x190 [ 31.453616] [] do_syscall_64+0x1a4/0x490 [ 31.459310] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.469313] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 31.478040] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.483503] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 31.491198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.500537] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 31.508540] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 31.516535] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 31.524525] Call Trace: [ 31.527093] [] dump_stack+0xc1/0x128 [ 31.532436] [] check_preemption_disabled+0x1d4/0x200 [ 31.539189] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.545657] [] ipcomp_init_state+0x188/0x930 [ 31.551691] [] ? __lock_is_held+0xa1/0xf0 [ 31.557464] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.563493] [] __xfrm_init_state+0x3e7/0xb30 [ 31.569528] [] xfrm_add_sa+0x1916/0x2e40 [ 31.575223] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.582036] [] ? nla_parse+0x213/0x260 [ 31.587549] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.594369] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 31.600415] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 31.606463] [] ? __sys_sendmsg+0xd6/0x190 [ 31.612232] [] netlink_rcv_skb+0x13e/0x370 [ 31.618088] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 31.624120] [] xfrm_netlink_rcv+0x6f/0x90 [ 31.629894] [] netlink_unicast+0x511/0x750 [ 31.635751] [] ? netlink_unicast+0x43c/0x750 [ 31.641785] [] ? netlink_attachskb+0x680/0x680 [ 31.648006] [] netlink_sendmsg+0x8e8/0xc50 [ 31.653865] [] ? netlink_unicast+0x750/0x750 [ 31.659905] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 31.666382] [] ? security_socket_sendmsg+0x89/0xb0 [ 31.672947] [] ? netlink_unicast+0x750/0x750 [ 31.678986] [] sock_sendmsg+0xca/0x110 [ 31.684491] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.690255] [] ? SyS_socket+0x162/0x1b0 [ 31.695852] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.702406] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 31.709219] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.716116] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.722940] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 31.729848] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 31.736667] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 31.743402] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.750222] [] ? check_preemption_disabled+0x3b/0x200 [ 31.757045] [] ? check_preemption_disabled+0x3b/0x200 [ 31.763872] [] ? sock_destroy_inode+0x56/0x70 [ 31.770008] [] ? sock_destroy_inode+0x56/0x70 [ 31.776146] [] ? __fget_light+0x169/0x1f0 [ 31.781935] [] ? __fdget+0x18/0x20 [ 31.787104] [] ? sockfd_lookup_light+0x118/0x160 [ 31.793500] [] __sys_sendmsg+0xd6/0x190 [ 31.799106] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.804877] [] ? iput+0x2af/0x900 [ 31.809952] [] ? sock_release+0x16d/0x1e0 [ 31.815719] [] ? move_addr_to_kernel+0x50/0x50 [ 31.821919] [] SyS_sendmsg+0x2d/0x50 executing program [ 31.827262] [] ? __sys_sendmsg+0x190/0x190 [ 31.833126] [] do_syscall_64+0x1a4/0x490 [ 31.838814] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.848402] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 31.857127] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.862577] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 31.870262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.879588] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 31.887573] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 31.895569] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 31.903542] Call Trace: [ 31.906107] [] dump_stack+0xc1/0x128 [ 31.911465] [] check_preemption_disabled+0x1d4/0x200 [ 31.918203] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.924670] [] ipcomp_init_state+0x188/0x930 [ 31.930720] [] ? __lock_is_held+0xa1/0xf0 [ 31.936497] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.942531] [] __xfrm_init_state+0x3e7/0xb30 [ 31.948569] [] xfrm_add_sa+0x1916/0x2e40 [ 31.954263] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.961074] [] ? nla_parse+0x213/0x260 [ 31.966585] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 31.973396] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 31.979437] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 31.985471] [] ? __sys_sendmsg+0xd6/0x190 [ 31.991240] [] netlink_rcv_skb+0x13e/0x370 [ 31.997095] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 32.003127] [] xfrm_netlink_rcv+0x6f/0x90 [ 32.008905] [] netlink_unicast+0x511/0x750 [ 32.014777] [] ? netlink_unicast+0x43c/0x750 [ 32.020802] [] ? netlink_attachskb+0x680/0x680 [ 32.027016] [] netlink_sendmsg+0x8e8/0xc50 [ 32.032879] [] ? netlink_unicast+0x750/0x750 [ 32.038922] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 32.045395] [] ? security_socket_sendmsg+0x89/0xb0 [ 32.051951] [] ? netlink_unicast+0x750/0x750 [ 32.057987] [] sock_sendmsg+0xca/0x110 [ 32.063492] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.069257] [] ? SyS_socket+0x162/0x1b0 [ 32.074856] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.081408] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.088221] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.095122] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.101952] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.108847] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.115660] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.122384] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.129196] [] ? check_preemption_disabled+0x3b/0x200 [ 32.136011] [] ? check_preemption_disabled+0x3b/0x200 [ 32.142832] [] ? sock_destroy_inode+0x56/0x70 [ 32.148956] [] ? sock_destroy_inode+0x56/0x70 [ 32.155086] [] ? __fget_light+0x169/0x1f0 [ 32.160859] [] ? __fdget+0x18/0x20 [ 32.166021] [] ? sockfd_lookup_light+0x118/0x160 [ 32.172398] [] __sys_sendmsg+0xd6/0x190 executing program [ 32.178002] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.183776] [] ? iput+0x2af/0x900 [ 32.188852] [] ? sock_release+0x16d/0x1e0 [ 32.194624] [] ? move_addr_to_kernel+0x50/0x50 [ 32.200830] [] SyS_sendmsg+0x2d/0x50 [ 32.206163] [] ? __sys_sendmsg+0x190/0x190 [ 32.212018] [] do_syscall_64+0x1a4/0x490 [ 32.217703] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.227291] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 32.236009] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.241476] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 32.249167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.258508] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 32.266497] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 32.274486] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 32.282486] Call Trace: [ 32.285057] [] dump_stack+0xc1/0x128 [ 32.290406] [] check_preemption_disabled+0x1d4/0x200 [ 32.297148] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.303629] [] ipcomp_init_state+0x188/0x930 [ 32.309660] [] ? __lock_is_held+0xa1/0xf0 [ 32.315428] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.321456] [] __xfrm_init_state+0x3e7/0xb30 [ 32.327483] [] xfrm_add_sa+0x1916/0x2e40 [ 32.333164] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 32.340058] [] ? nla_parse+0x213/0x260 [ 32.345570] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 32.352384] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 32.358429] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 32.364470] [] ? __sys_sendmsg+0xd6/0x190 [ 32.370242] [] netlink_rcv_skb+0x13e/0x370 [ 32.376101] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 32.382129] [] xfrm_netlink_rcv+0x6f/0x90 [ 32.387903] [] netlink_unicast+0x511/0x750 [ 32.393766] [] ? netlink_unicast+0x43c/0x750 [ 32.399798] [] ? netlink_attachskb+0x680/0x680 [ 32.406009] [] netlink_sendmsg+0x8e8/0xc50 [ 32.411882] [] ? netlink_unicast+0x750/0x750 [ 32.417928] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 32.424402] [] ? security_socket_sendmsg+0x89/0xb0 [ 32.430967] [] ? netlink_unicast+0x750/0x750 [ 32.437004] [] sock_sendmsg+0xca/0x110 [ 32.442528] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.448305] [] ? SyS_socket+0x162/0x1b0 [ 32.453902] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.460458] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.467279] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.474181] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.481001] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.487902] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.494718] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.501450] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.508269] [] ? check_preemption_disabled+0x3b/0x200 [ 32.515086] [] ? check_preemption_disabled+0x3b/0x200 [ 32.521900] [] ? sock_destroy_inode+0x56/0x70 [ 32.528018] [] ? sock_destroy_inode+0x56/0x70 [ 32.534137] [] ? __fget_light+0x169/0x1f0 [ 32.539908] [] ? __fdget+0x18/0x20 [ 32.545071] [] ? sockfd_lookup_light+0x118/0x160 [ 32.551450] [] __sys_sendmsg+0xd6/0x190 [ 32.557052] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.562832] [] ? iput+0x2af/0x900 [ 32.567916] [] ? sock_release+0x16d/0x1e0 [ 32.573691] [] ? move_addr_to_kernel+0x50/0x50 executing program [ 32.579897] [] SyS_sendmsg+0x2d/0x50 [ 32.585235] [] ? __sys_sendmsg+0x190/0x190 [ 32.591095] [] do_syscall_64+0x1a4/0x490 [ 32.596789] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.606595] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 32.615320] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.620748] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 32.628429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.637770] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 32.645757] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 32.653726] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 32.661753] Call Trace: [ 32.664315] [] dump_stack+0xc1/0x128 [ 32.669649] [] check_preemption_disabled+0x1d4/0x200 [ 32.676381] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.682857] [] ipcomp_init_state+0x188/0x930 [ 32.688893] [] ? __lock_is_held+0xa1/0xf0 [ 32.694667] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.700703] [] __xfrm_init_state+0x3e7/0xb30 [ 32.706764] [] xfrm_add_sa+0x1916/0x2e40 [ 32.712453] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 32.719274] [] ? nla_parse+0x213/0x260 [ 32.724784] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 32.731597] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 32.737632] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 32.743663] [] ? __sys_sendmsg+0xd6/0x190 [ 32.749444] [] netlink_rcv_skb+0x13e/0x370 [ 32.755308] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 32.761340] [] xfrm_netlink_rcv+0x6f/0x90 [ 32.767120] [] netlink_unicast+0x511/0x750 [ 32.772993] [] ? netlink_unicast+0x43c/0x750 [ 32.779031] [] ? netlink_attachskb+0x680/0x680 [ 32.785233] [] netlink_sendmsg+0x8e8/0xc50 [ 32.791089] [] ? netlink_unicast+0x750/0x750 [ 32.797122] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 32.803595] [] ? security_socket_sendmsg+0x89/0xb0 [ 32.810148] [] ? netlink_unicast+0x750/0x750 [ 32.816184] [] sock_sendmsg+0xca/0x110 [ 32.821695] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.827464] [] ? SyS_socket+0x162/0x1b0 [ 32.833059] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.839611] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.846425] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.853328] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.860140] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.867038] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.873851] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.880576] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.887398] [] ? check_preemption_disabled+0x3b/0x200 [ 32.894217] [] ? check_preemption_disabled+0x3b/0x200 [ 32.901040] [] ? sock_destroy_inode+0x56/0x70 [ 32.907160] [] ? sock_destroy_inode+0x56/0x70 [ 32.913280] [] ? __fget_light+0x169/0x1f0 [ 32.919045] [] ? __fdget+0x18/0x20 [ 32.924210] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 32.930593] [] __sys_sendmsg+0xd6/0x190 [ 32.936187] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.941953] [] ? iput+0x2af/0x900 [ 32.947032] [] ? sock_release+0x16d/0x1e0 [ 32.952809] [] ? move_addr_to_kernel+0x50/0x50 [ 32.959028] [] SyS_sendmsg+0x2d/0x50 [ 32.964367] [] ? __sys_sendmsg+0x190/0x190 [ 32.970226] [] do_syscall_64+0x1a4/0x490 [ 32.975914] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.985535] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 32.994224] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.999645] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 33.007320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.016649] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 33.024643] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 33.032632] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 33.040602] Call Trace: [ 33.043177] [] dump_stack+0xc1/0x128 [ 33.048512] [] check_preemption_disabled+0x1d4/0x200 [ 33.055239] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.061708] [] ipcomp_init_state+0x188/0x930 [ 33.067741] [] ? __lock_is_held+0xa1/0xf0 [ 33.073513] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.079555] [] __xfrm_init_state+0x3e7/0xb30 [ 33.085582] [] xfrm_add_sa+0x1916/0x2e40 [ 33.091269] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.098077] [] ? nla_parse+0x213/0x260 [ 33.103586] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.110402] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 33.116437] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.122477] [] ? __sys_sendmsg+0xd6/0x190 [ 33.128249] [] netlink_rcv_skb+0x13e/0x370 [ 33.134111] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.140146] [] xfrm_netlink_rcv+0x6f/0x90 [ 33.145916] [] netlink_unicast+0x511/0x750 [ 33.151778] [] ? netlink_unicast+0x43c/0x750 [ 33.157811] [] ? netlink_attachskb+0x680/0x680 [ 33.164023] [] netlink_sendmsg+0x8e8/0xc50 [ 33.169877] [] ? netlink_unicast+0x750/0x750 [ 33.175906] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 33.182375] [] ? security_socket_sendmsg+0x89/0xb0 [ 33.188936] [] ? netlink_unicast+0x750/0x750 [ 33.194974] [] sock_sendmsg+0xca/0x110 [ 33.200493] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.206266] [] ? SyS_socket+0x162/0x1b0 [ 33.211871] [] ? copy_msghdr_from_user+0x570/0x570 [ 33.218433] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 33.225249] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 33.232165] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.238978] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.245877] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 33.252690] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 33.259415] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.266231] [] ? check_preemption_disabled+0x3b/0x200 [ 33.273049] [] ? check_preemption_disabled+0x3b/0x200 [ 33.279882] [] ? sock_destroy_inode+0x56/0x70 [ 33.286014] [] ? sock_destroy_inode+0x56/0x70 [ 33.292139] [] ? __fget_light+0x169/0x1f0 [ 33.297921] [] ? __fdget+0x18/0x20 [ 33.303089] [] ? sockfd_lookup_light+0x118/0x160 [ 33.309465] [] __sys_sendmsg+0xd6/0x190 [ 33.315839] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.321613] [] ? iput+0x2af/0x900 [ 33.326691] [] ? sock_release+0x16d/0x1e0 executing program [ 33.332473] [] ? move_addr_to_kernel+0x50/0x50 [ 33.338684] [] SyS_sendmsg+0x2d/0x50 [ 33.344022] [] ? __sys_sendmsg+0x190/0x190 [ 33.349885] [] do_syscall_64+0x1a4/0x490 [ 33.355583] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.365127] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 33.373836] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.379259] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 33.386934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.396258] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 33.404254] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 33.412241] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 33.420237] Call Trace: [ 33.422801] [] dump_stack+0xc1/0x128 [ 33.428138] [] check_preemption_disabled+0x1d4/0x200 [ 33.434859] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.441325] [] ipcomp_init_state+0x188/0x930 [ 33.447365] [] ? __lock_is_held+0xa1/0xf0 [ 33.453148] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.459180] [] __xfrm_init_state+0x3e7/0xb30 [ 33.465208] [] xfrm_add_sa+0x1916/0x2e40 [ 33.470897] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.477714] [] ? nla_parse+0x213/0x260 [ 33.483222] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.490034] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 33.496064] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.502091] [] ? __sys_sendmsg+0xd6/0x190 [ 33.507861] [] netlink_rcv_skb+0x13e/0x370 [ 33.513715] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.519750] [] xfrm_netlink_rcv+0x6f/0x90 [ 33.525530] [] netlink_unicast+0x511/0x750 [ 33.531396] [] ? netlink_unicast+0x43c/0x750 [ 33.537436] [] ? netlink_attachskb+0x680/0x680 [ 33.543639] [] netlink_sendmsg+0x8e8/0xc50 [ 33.549491] [] ? netlink_unicast+0x750/0x750 [ 33.555522] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 33.561983] [] ? security_socket_sendmsg+0x89/0xb0 [ 33.568567] [] ? netlink_unicast+0x750/0x750 [ 33.574598] [] sock_sendmsg+0xca/0x110 [ 33.580115] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.585885] [] ? SyS_socket+0x162/0x1b0 [ 33.591486] [] ? copy_msghdr_from_user+0x570/0x570 [ 33.598046] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 33.604862] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 33.611762] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.618574] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.625470] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 33.632281] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 33.639006] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.645830] [] ? check_preemption_disabled+0x3b/0x200 [ 33.652653] [] ? check_preemption_disabled+0x3b/0x200 [ 33.659468] [] ? sock_destroy_inode+0x56/0x70 [ 33.665588] [] ? sock_destroy_inode+0x56/0x70 [ 33.671712] [] ? __fget_light+0x169/0x1f0 [ 33.677484] [] ? __fdget+0x18/0x20 [ 33.682644] [] ? sockfd_lookup_light+0x118/0x160 [ 33.689021] [] __sys_sendmsg+0xd6/0x190 [ 33.694633] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.700423] [] ? iput+0x2af/0x900 [ 33.705517] [] ? sock_release+0x16d/0x1e0 [ 33.711286] [] ? move_addr_to_kernel+0x50/0x50 [ 33.717490] [] SyS_sendmsg+0x2d/0x50 [ 33.722825] [] ? __sys_sendmsg+0x190/0x190 [ 33.728690] [] do_syscall_64+0x1a4/0x490 executing program [ 33.734369] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.746469] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller664276/3766 [ 33.755196] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.760624] CPU: 1 PID: 3766 Comm: syzkaller664276 Not tainted 4.9.92-g13b40d3 #72 [ 33.768302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.777652] ffff8801c4337430 ffffffff81d95109 0000000000000001 ffffffff83c18c00 [ 33.785638] ffffffff83f45d60 ffff8801b8949800 0000000000000003 ffff8801c4337470 [ 33.793641] ffffffff81dfc734 ffff8801c4337488 ffffffff83f45d60 dffffc0000000000 [ 33.801630] Call Trace: [ 33.804192] [] dump_stack+0xc1/0x128 [ 33.809538] [] check_preemption_disabled+0x1d4/0x200 [ 33.816268] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.822730] [] ipcomp_init_state+0x188/0x930 [ 33.828764] [] ? __lock_is_held+0xa1/0xf0 [ 33.834541] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.840586] [] __xfrm_init_state+0x3e7/0xb30 [ 33.846622] [] xfrm_add_sa+0x1916/0x2e40 [ 33.852307] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.859115] [] ? nla_parse+0x213/0x260 [ 33.864632] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 33.871452] [] xfrm_user_rcv_msg+0x40d/0x6a0 [ 33.877478] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.883515] [] ? __sys_sendmsg+0xd6/0x190 [ 33.889298] [] netlink_rcv_skb+0x13e/0x370 [ 33.895163] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 33.901192] [] xfrm_netlink_rcv+0x6f/0x90 [ 33.906970] [] netlink_unicast+0x511/0x750 [ 33.912839] [] ? netlink_unicast+0x43c/0x750 [ 33.918882] [] ? netlink_attachskb+0x680/0x680 [ 33.925093] [] netlink_sendmsg+0x8e8/0xc50 [ 33.930973] [] ? netlink_unicast+0x750/0x750 [ 33.937015] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 33.943487] [] ? security_socket_sendmsg+0x89/0xb0 [ 33.950043] [] ? netlink_unicast+0x750/0x750 [ 33.956069] [] sock_sendmsg+0xca/0x110 [ 33.961576] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.967363] [] ? SyS_socket+0x162/0x1b0 [ 33.972969] [] ? copy_msghdr_from_user+0x570/0x570 [ 33.979525] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 33.986340] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 33.993244] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.000063] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 34.006972] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 34.013782] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 34.020503] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.027319] [] ? check_preemption_disabled+0x3b/0x200 [ 34.034139] [] ? check_preemption_disabled+0x3b/0x200 [ 34.040959] [] ? sock_destroy_inode+0x56/0x70 [ 34.047076] [] ? sock_destroy_inode+0x56/0x70 [ 34.053193] [] ? __fget_light+0x169/0x1f0 [ 34.058965] [] ? __fdget+0x18/0x20 [ 34.064132] [] ? sockfd_lookup_light+0x118/0x160 [ 34.070514] [] __sys_sendmsg+0xd6/0x190 [ 34.076112] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.081884] [] ? iput+0x2af/0x900 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 34.086963] [] ? sock_release+0x16d/0x1e0 [ 34.092739] [] ? move_addr_to_kernel+0x50/0x50 [ 34.098940] [] SyS_sendmsg+0x2d/0x50 [ 34.104282] [] ? __sys_sendmsg+0x190/0x190 [ 34.110148] [] do_syscall_64+0x1a4/0x490 [ 34.115838] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program