[....] Starting enhanced syslogd: rsyslogd[ 11.819533] audit: type=1400 audit(1521993308.000:4): avc: denied { syslog } for pid=3588 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 20.062381] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 20.071157] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.076677] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 20.084364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.093688] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 20.101654] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 20.109618] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 20.117578] Call Trace: [ 20.120135] [] dump_stack+0xc1/0x128 [ 20.125466] [] check_preemption_disabled+0x1d4/0x200 [ 20.132187] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.138654] [] ipcomp_init_state+0x188/0x930 [ 20.144681] [] ? __lock_is_held+0xa1/0xf0 [ 20.150446] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.156475] [] __xfrm_init_state+0x3e7/0xb30 [ 20.162500] [] xfrm_init_state+0x1a/0x20 [ 20.168179] [] pfkey_add+0x1fb9/0x3470 [ 20.173684] [] ? pfkey_delete+0x360/0x360 [ 20.179450] [] ? pfkey_seq_stop+0x80/0x80 [ 20.185215] [] ? __skb_clone+0x24a/0x7d0 [ 20.190894] [] ? pfkey_delete+0x360/0x360 [ 20.196660] [] pfkey_process+0x68b/0x750 [ 20.202343] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.209152] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.215965] [] pfkey_sendmsg+0x3a9/0x760 [ 20.221649] [] ? pfkey_spdget+0x820/0x820 [ 20.227417] [] sock_sendmsg+0xca/0x110 [ 20.232921] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.238684] [] ? copy_msghdr_from_user+0x570/0x570 [ 20.245235] [] ? check_preemption_disabled+0x3b/0x200 [ 20.252042] [] ? check_preemption_disabled+0x3b/0x200 [ 20.258853] [] ? debug_mutex_init+0x1c/0x60 [ 20.264794] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.271607] [] ? __lock_is_held+0xa1/0xf0 [ 20.277392] [] ? check_preemption_disabled+0x3b/0x200 [ 20.284201] [] ? __fd_install+0x223/0x5f0 [ 20.290529] [] ? __fget_light+0x169/0x1f0 [ 20.296295] [] ? __fdget+0x18/0x20 [ 20.301453] [] ? sockfd_lookup_light+0x118/0x160 [ 20.307825] [] __sys_sendmsg+0xd6/0x190 executing program [ 20.313413] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.319176] [] ? fd_install+0x4d/0x60 [ 20.324591] [] ? move_addr_to_kernel+0x50/0x50 [ 20.330788] [] SyS_sendmsg+0x2d/0x50 [ 20.336118] [] ? __sys_sendmsg+0x190/0x190 [ 20.341973] [] do_syscall_64+0x1a4/0x490 [ 20.347660] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 20.356129] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 20.364786] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.370433] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 20.378119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.387451] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 20.395441] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 20.403443] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 20.411407] Call Trace: [ 20.413963] [] dump_stack+0xc1/0x128 [ 20.419298] [] check_preemption_disabled+0x1d4/0x200 [ 20.426018] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.432480] [] ipcomp_init_state+0x188/0x930 [ 20.438509] [] ? __lock_is_held+0xa1/0xf0 [ 20.444273] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.450304] [] __xfrm_init_state+0x3e7/0xb30 [ 20.456335] [] xfrm_init_state+0x1a/0x20 [ 20.462017] [] pfkey_add+0x1fb9/0x3470 [ 20.467523] [] ? pfkey_delete+0x360/0x360 [ 20.473288] [] ? pfkey_seq_stop+0x80/0x80 [ 20.479053] [] ? __skb_clone+0x24a/0x7d0 [ 20.484732] [] ? pfkey_delete+0x360/0x360 [ 20.490494] [] pfkey_process+0x68b/0x750 [ 20.496171] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.502979] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.509787] [] pfkey_sendmsg+0x3a9/0x760 [ 20.515462] [] ? pfkey_spdget+0x820/0x820 [ 20.521240] [] sock_sendmsg+0xca/0x110 [ 20.526757] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.532520] [] ? copy_msghdr_from_user+0x570/0x570 [ 20.539070] [] ? check_preemption_disabled+0x3b/0x200 [ 20.545876] [] ? check_preemption_disabled+0x3b/0x200 [ 20.552684] [] ? debug_mutex_init+0x1c/0x60 [ 20.558623] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.565429] [] ? __lock_is_held+0xa1/0xf0 [ 20.571193] [] ? check_preemption_disabled+0x3b/0x200 [ 20.578003] [] ? __fd_install+0x223/0x5f0 [ 20.583769] [] ? __fget_light+0x169/0x1f0 [ 20.589531] [] ? __fdget+0x18/0x20 [ 20.594687] [] ? sockfd_lookup_light+0x118/0x160 [ 20.601060] [] __sys_sendmsg+0xd6/0x190 [ 20.606651] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 20.612414] [] ? fd_install+0x4d/0x60 [ 20.617831] [] ? move_addr_to_kernel+0x50/0x50 [ 20.624030] [] SyS_sendmsg+0x2d/0x50 [ 20.629361] [] ? __sys_sendmsg+0x190/0x190 [ 20.635217] [] do_syscall_64+0x1a4/0x490 [ 20.640897] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 20.649362] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 20.658034] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.663452] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 20.671126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.680451] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 20.688524] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 20.696503] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 20.704484] Call Trace: [ 20.707052] [] dump_stack+0xc1/0x128 [ 20.712403] [] check_preemption_disabled+0x1d4/0x200 [ 20.719139] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.725604] [] ipcomp_init_state+0x188/0x930 [ 20.731636] [] ? __lock_is_held+0xa1/0xf0 [ 20.737407] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.743437] [] __xfrm_init_state+0x3e7/0xb30 [ 20.749471] [] xfrm_init_state+0x1a/0x20 [ 20.755155] [] pfkey_add+0x1fb9/0x3470 [ 20.760664] [] ? pfkey_delete+0x360/0x360 [ 20.766437] [] ? pfkey_seq_stop+0x80/0x80 [ 20.772216] [] ? __skb_clone+0x24a/0x7d0 [ 20.777906] [] ? pfkey_delete+0x360/0x360 [ 20.783668] [] pfkey_process+0x68b/0x750 [ 20.789345] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.796150] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.802956] [] pfkey_sendmsg+0x3a9/0x760 [ 20.808642] [] ? pfkey_spdget+0x820/0x820 [ 20.814406] [] sock_sendmsg+0xca/0x110 [ 20.819911] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.825675] [] ? copy_msghdr_from_user+0x570/0x570 [ 20.832223] [] ? check_preemption_disabled+0x3b/0x200 [ 20.839031] [] ? check_preemption_disabled+0x3b/0x200 [ 20.845835] [] ? debug_mutex_init+0x1c/0x60 [ 20.851773] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.858582] [] ? __lock_is_held+0xa1/0xf0 [ 20.864345] [] ? check_preemption_disabled+0x3b/0x200 [ 20.871154] [] ? __fd_install+0x223/0x5f0 [ 20.876918] [] ? __fget_light+0x169/0x1f0 [ 20.882687] [] ? __fdget+0x18/0x20 [ 20.887847] [] ? sockfd_lookup_light+0x118/0x160 [ 20.894222] [] __sys_sendmsg+0xd6/0x190 [ 20.899820] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.905586] [] ? fd_install+0x4d/0x60 executing program [ 20.911004] [] ? move_addr_to_kernel+0x50/0x50 [ 20.917203] [] SyS_sendmsg+0x2d/0x50 [ 20.922531] [] ? __sys_sendmsg+0x190/0x190 [ 20.928388] [] do_syscall_64+0x1a4/0x490 [ 20.934067] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 20.942542] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 20.951224] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.956667] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 20.964348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.973674] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 20.981638] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 20.989602] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 20.997565] Call Trace: [ 21.000125] [] dump_stack+0xc1/0x128 [ 21.005457] [] check_preemption_disabled+0x1d4/0x200 [ 21.012176] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.018643] [] ipcomp_init_state+0x188/0x930 [ 21.024669] [] ? __lock_is_held+0xa1/0xf0 [ 21.030432] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.036459] [] __xfrm_init_state+0x3e7/0xb30 [ 21.042484] [] xfrm_init_state+0x1a/0x20 [ 21.048164] [] pfkey_add+0x1fb9/0x3470 [ 21.053665] [] ? pfkey_delete+0x360/0x360 [ 21.059430] [] ? pfkey_seq_stop+0x80/0x80 [ 21.065201] [] ? __skb_clone+0x24a/0x7d0 [ 21.070879] [] ? pfkey_delete+0x360/0x360 [ 21.076642] [] pfkey_process+0x68b/0x750 [ 21.082321] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.089129] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.095934] [] pfkey_sendmsg+0x3a9/0x760 [ 21.101617] [] ? pfkey_spdget+0x820/0x820 [ 21.107381] [] sock_sendmsg+0xca/0x110 [ 21.112882] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.118645] [] ? copy_msghdr_from_user+0x570/0x570 [ 21.125196] [] ? check_preemption_disabled+0x3b/0x200 [ 21.132004] [] ? check_preemption_disabled+0x3b/0x200 [ 21.138815] [] ? debug_mutex_init+0x1c/0x60 [ 21.144752] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.151558] [] ? __lock_is_held+0xa1/0xf0 [ 21.157329] [] ? check_preemption_disabled+0x3b/0x200 [ 21.164139] [] ? __fd_install+0x223/0x5f0 [ 21.169904] [] ? __fget_light+0x169/0x1f0 [ 21.175667] [] ? __fdget+0x18/0x20 [ 21.180823] [] ? sockfd_lookup_light+0x118/0x160 [ 21.187193] [] __sys_sendmsg+0xd6/0x190 [ 21.192781] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.198547] [] ? fd_install+0x4d/0x60 [ 21.203962] [] ? move_addr_to_kernel+0x50/0x50 [ 21.210158] [] SyS_sendmsg+0x2d/0x50 executing program [ 21.215488] [] ? __sys_sendmsg+0x190/0x190 [ 21.221341] [] do_syscall_64+0x1a4/0x490 [ 21.227022] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 21.235231] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 21.243891] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.249334] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 21.257014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.266343] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 21.274307] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 21.282267] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 21.290238] Call Trace: [ 21.292794] [] dump_stack+0xc1/0x128 [ 21.298129] [] check_preemption_disabled+0x1d4/0x200 [ 21.304851] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.311314] [] ipcomp_init_state+0x188/0x930 [ 21.317339] [] ? __lock_is_held+0xa1/0xf0 [ 21.323103] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.329128] [] __xfrm_init_state+0x3e7/0xb30 [ 21.335150] [] xfrm_init_state+0x1a/0x20 [ 21.340829] [] pfkey_add+0x1fb9/0x3470 [ 21.346331] [] ? pfkey_delete+0x360/0x360 [ 21.352096] [] ? pfkey_seq_stop+0x80/0x80 [ 21.357862] [] ? __skb_clone+0x24a/0x7d0 [ 21.363536] [] ? pfkey_delete+0x360/0x360 [ 21.369299] [] pfkey_process+0x68b/0x750 [ 21.374973] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.381782] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.388590] [] pfkey_sendmsg+0x3a9/0x760 [ 21.394270] [] ? pfkey_spdget+0x820/0x820 [ 21.400032] [] sock_sendmsg+0xca/0x110 [ 21.405537] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.411302] [] ? copy_msghdr_from_user+0x570/0x570 [ 21.417849] [] ? check_preemption_disabled+0x3b/0x200 [ 21.424655] [] ? check_preemption_disabled+0x3b/0x200 [ 21.431462] [] ? debug_mutex_init+0x1c/0x60 [ 21.437398] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.444203] [] ? __lock_is_held+0xa1/0xf0 [ 21.449969] [] ? check_preemption_disabled+0x3b/0x200 [ 21.456773] [] ? __fd_install+0x223/0x5f0 [ 21.462535] [] ? __fget_light+0x169/0x1f0 [ 21.468296] [] ? __fdget+0x18/0x20 [ 21.473451] [] ? sockfd_lookup_light+0x118/0x160 [ 21.479830] [] __sys_sendmsg+0xd6/0x190 [ 21.485418] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.491184] [] ? fd_install+0x4d/0x60 [ 21.496601] [] ? move_addr_to_kernel+0x50/0x50 [ 21.502816] [] SyS_sendmsg+0x2d/0x50 [ 21.508146] [] ? __sys_sendmsg+0x190/0x190 executing program [ 21.513997] [] do_syscall_64+0x1a4/0x490 [ 21.519673] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 21.527884] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 21.536565] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.541987] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 21.549656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.558976] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 21.566940] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 21.574896] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 21.582853] Call Trace: [ 21.585412] [] dump_stack+0xc1/0x128 [ 21.590742] [] check_preemption_disabled+0x1d4/0x200 [ 21.597463] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.603931] [] ipcomp_init_state+0x188/0x930 [ 21.609981] [] ? __lock_is_held+0xa1/0xf0 [ 21.615749] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.621779] [] __xfrm_init_state+0x3e7/0xb30 [ 21.627807] [] xfrm_init_state+0x1a/0x20 [ 21.633485] [] pfkey_add+0x1fb9/0x3470 [ 21.638986] [] ? pfkey_delete+0x360/0x360 [ 21.644747] [] ? pfkey_seq_stop+0x80/0x80 [ 21.650513] [] ? __skb_clone+0x24a/0x7d0 [ 21.656188] [] ? pfkey_delete+0x360/0x360 [ 21.661951] [] pfkey_process+0x68b/0x750 [ 21.667629] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.674443] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.681261] [] pfkey_sendmsg+0x3a9/0x760 [ 21.686945] [] ? pfkey_spdget+0x820/0x820 [ 21.692713] [] sock_sendmsg+0xca/0x110 [ 21.698222] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.703995] [] ? copy_msghdr_from_user+0x570/0x570 [ 21.710550] [] ? check_preemption_disabled+0x3b/0x200 [ 21.717362] [] ? check_preemption_disabled+0x3b/0x200 [ 21.724168] [] ? debug_mutex_init+0x1c/0x60 [ 21.730103] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.736907] [] ? __lock_is_held+0xa1/0xf0 [ 21.742677] [] ? check_preemption_disabled+0x3b/0x200 [ 21.749484] [] ? __fd_install+0x223/0x5f0 [ 21.755251] [] ? __fget_light+0x169/0x1f0 [ 21.761020] [] ? __fdget+0x18/0x20 executing program [ 21.766180] [] ? sockfd_lookup_light+0x118/0x160 [ 21.772562] [] __sys_sendmsg+0xd6/0x190 [ 21.778156] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.783922] [] ? fd_install+0x4d/0x60 [ 21.789340] [] ? move_addr_to_kernel+0x50/0x50 [ 21.795535] [] SyS_sendmsg+0x2d/0x50 [ 21.800864] [] ? __sys_sendmsg+0x190/0x190 [ 21.806714] [] do_syscall_64+0x1a4/0x490 [ 21.812393] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 21.820560] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 21.829228] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.834646] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 21.842318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.851640] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 21.859602] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 21.867559] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 21.875521] Call Trace: [ 21.878077] [] dump_stack+0xc1/0x128 [ 21.883407] [] check_preemption_disabled+0x1d4/0x200 [ 21.890124] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.896585] [] ipcomp_init_state+0x188/0x930 [ 21.902611] [] ? __lock_is_held+0xa1/0xf0 [ 21.908375] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.914399] [] __xfrm_init_state+0x3e7/0xb30 [ 21.920424] [] xfrm_init_state+0x1a/0x20 [ 21.926106] [] pfkey_add+0x1fb9/0x3470 [ 21.931627] [] ? pfkey_delete+0x360/0x360 [ 21.937403] [] ? pfkey_seq_stop+0x80/0x80 [ 21.943182] [] ? __skb_clone+0x24a/0x7d0 [ 21.948867] [] ? pfkey_delete+0x360/0x360 [ 21.954648] [] pfkey_process+0x68b/0x750 [ 21.960324] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.967131] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.973935] [] pfkey_sendmsg+0x3a9/0x760 [ 21.979612] [] ? pfkey_spdget+0x820/0x820 [ 21.985374] [] sock_sendmsg+0xca/0x110 [ 21.990876] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.996647] [] ? copy_msghdr_from_user+0x570/0x570 [ 22.003193] [] ? check_preemption_disabled+0x3b/0x200 [ 22.010003] [] ? check_preemption_disabled+0x3b/0x200 [ 22.016813] [] ? debug_mutex_init+0x1c/0x60 [ 22.022753] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.029564] [] ? __lock_is_held+0xa1/0xf0 [ 22.035341] [] ? check_preemption_disabled+0x3b/0x200 [ 22.042158] [] ? __fd_install+0x223/0x5f0 [ 22.047928] [] ? __fget_light+0x169/0x1f0 [ 22.053703] [] ? __fdget+0x18/0x20 [ 22.058859] [] ? sockfd_lookup_light+0x118/0x160 [ 22.065229] [] __sys_sendmsg+0xd6/0x190 executing program [ 22.070817] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.076583] [] ? fd_install+0x4d/0x60 [ 22.082002] [] ? move_addr_to_kernel+0x50/0x50 [ 22.088201] [] SyS_sendmsg+0x2d/0x50 [ 22.093528] [] ? __sys_sendmsg+0x190/0x190 [ 22.099378] [] do_syscall_64+0x1a4/0x490 [ 22.105058] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 22.113465] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 22.122221] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.127665] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 22.135348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.144671] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 22.152636] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 22.160598] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 22.168560] Call Trace: [ 22.171119] [] dump_stack+0xc1/0x128 [ 22.176451] [] check_preemption_disabled+0x1d4/0x200 [ 22.183168] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.189627] [] ipcomp_init_state+0x188/0x930 [ 22.195652] [] ? __lock_is_held+0xa1/0xf0 [ 22.201416] [] ipcomp4_init_state+0xb0/0x7d0 [ 22.207440] [] __xfrm_init_state+0x3e7/0xb30 [ 22.213465] [] xfrm_init_state+0x1a/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.219142] [] pfkey_add+0x1fb9/0x3470 [ 22.224646] [] ? pfkey_delete+0x360/0x360 [ 22.230412] [] ? pfkey_seq_stop+0x80/0x80 [ 22.236178] [] ? __skb_clone+0x24a/0x7d0 [ 22.241855] [] ? pfkey_delete+0x360/0x360 [ 22.247617] [] pfkey_process+0x68b/0x750 [ 22.253298] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.260121] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.260131] [] pfkey_sendmsg+0x3a9/0x760 [ 22.260136] [] ? pfkey_spdget+0x820/0x820 [ 22.260145] [] sock_sendmsg+0xca/0x110 [ 22.260150] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.260156] [] ? copy_msghdr_from_user+0x570/0x570 [ 22.260164] [] ? check_preemption_disabled+0x3b/0x200 [ 22.260171] [] ? 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 [ 22.260179] [] ? debug_mutex_init+0x1c/0x60 [ 22.260185] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.260192] [] ? __lock_is_held+0xa1/0xf0 [ 22.260199] [] ? check_preemption_disabled+0x3b/0x200 [ 22.260206] [] ? __fd_install+0x223/0x5f0 [ 22.260212] [] ? __fget_light+0x169/0x1f0 [ 22.260218] [] ? __fdget+0x18/0x20 [ 22.260223] [] ? sockfd_lookup_light+0x118/0x160 [ 22.260230] [] __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 [ 22.260236] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.260241] [] ? fd_install+0x4d/0x60 [ 22.260248] [] ? move_addr_to_kernel+0x50/0x50 [ 22.260254] [] SyS_sendmsg+0x2d/0x50 [ 22.260259] [] ? __sys_sendmsg+0x190/0x190 [ 22.260266] [] do_syscall_64+0x1a4/0x490 [ 22.260273] [] 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 [ 22.260765] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 22.260772] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.260779] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 22.260782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.260792] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 22.260800] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 22.260809] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 22.260810] 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 [ 22.260818] [] dump_stack+0xc1/0x128 [ 22.260826] [] check_preemption_disabled+0x1d4/0x200 [ 22.260833] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.260840] [] ipcomp_init_state+0x188/0x930 [ 22.260848] [] ? __lock_is_held+0xa1/0xf0 [ 22.260855] [] ipcomp4_init_state+0xb0/0x7d0 [ 22.260861] [] __xfrm_init_state+0x3e7/0xb30 [ 22.260867] [] xfrm_init_state+0x1a/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.260873] [] pfkey_add+0x1fb9/0x3470 [ 22.260880] [] ? pfkey_delete+0x360/0x360 [ 22.260885] [] ? pfkey_seq_stop+0x80/0x80 [ 22.260893] [] ? __skb_clone+0x24a/0x7d0 [ 22.260899] [] ? pfkey_delete+0x360/0x360 [ 22.260905] [] pfkey_process+0x68b/0x750 [ 22.260911] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.260917] [] ? 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 [ 22.260924] [] pfkey_sendmsg+0x3a9/0x760 [ 22.260930] [] ? pfkey_spdget+0x820/0x820 [ 22.260936] [] sock_sendmsg+0xca/0x110 [ 22.260941] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.260948] [] ? copy_msghdr_from_user+0x570/0x570 [ 22.260955] [] ? check_preemption_disabled+0x3b/0x200 [ 22.260962] [] ? check_preemption_disabled+0x3b/0x200 [ 22.260969] [] ? 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 [ 22.260975] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.260982] [] ? __lock_is_held+0xa1/0xf0 [ 22.260988] [] ? check_preemption_disabled+0x3b/0x200 [ 22.260995] [] ? __fd_install+0x223/0x5f0 [ 22.261001] [] ? __fget_light+0x169/0x1f0 [ 22.261006] [] ? __fdget+0x18/0x20 [ 22.261012] [] ? sockfd_lookup_light+0x118/0x160 [ 22.261018] [] __sys_sendmsg+0xd6/0x190 [ 22.261024] [] ? 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 [ 22.261030] [] ? fd_install+0x4d/0x60 [ 22.261036] [] ? move_addr_to_kernel+0x50/0x50 [ 22.261042] [] SyS_sendmsg+0x2d/0x50 [ 22.261048] [] ? __sys_sendmsg+0x190/0x190 [ 22.261053] [] do_syscall_64+0x1a4/0x490 [ 22.261061] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 22.261259] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 22.261265] 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 [ 22.261271] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 22.261274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.261283] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 22.261291] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 22.261299] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 22.261301] Call Trace: [ 22.261307] [] 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 [ 22.261314] [] check_preemption_disabled+0x1d4/0x200 [ 22.261321] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.261327] [] ipcomp_init_state+0x188/0x930 [ 22.261334] [] ? __lock_is_held+0xa1/0xf0 [ 22.261340] [] ipcomp4_init_state+0xb0/0x7d0 [ 22.261346] [] __xfrm_init_state+0x3e7/0xb30 [ 22.261352] [] xfrm_init_state+0x1a/0x20 [ 22.261358] [] pfkey_add+0x1fb9/0x3470 [ 22.261364] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.261370] [] ? pfkey_seq_stop+0x80/0x80 [ 22.261377] [] ? __skb_clone+0x24a/0x7d0 [ 22.261383] [] ? pfkey_delete+0x360/0x360 [ 22.261389] [] pfkey_process+0x68b/0x750 [ 22.261395] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.261401] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.261408] [] pfkey_sendmsg+0x3a9/0x760 [ 22.261414] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 22.261419] [] sock_sendmsg+0xca/0x110 [ 22.261425] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.261431] [] ? copy_msghdr_from_user+0x570/0x570 [ 22.261438] [] ? check_preemption_disabled+0x3b/0x200 [ 22.261445] [] ? check_preemption_disabled+0x3b/0x200 [ 22.261452] [] ? debug_mutex_init+0x1c/0x60 [ 22.261457] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.261464] [] ? __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 [ 22.261471] [] ? check_preemption_disabled+0x3b/0x200 [ 22.261477] [] ? __fd_install+0x223/0x5f0 [ 22.261483] [] ? __fget_light+0x169/0x1f0 [ 22.261489] [] ? __fdget+0x18/0x20 [ 22.261495] [] ? sockfd_lookup_light+0x118/0x160 [ 22.261500] [] __sys_sendmsg+0xd6/0x190 [ 22.261506] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.261512] [] ? 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 [ 22.261518] [] ? move_addr_to_kernel+0x50/0x50 [ 22.261524] [] SyS_sendmsg+0x2d/0x50 [ 22.261530] [] ? __sys_sendmsg+0x190/0x190 [ 22.261535] [] do_syscall_64+0x1a4/0x490 [ 22.261542] [] 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 [ 25.086225] check_preemption_disabled: 1051 callbacks suppressed [ 25.086230] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 25.101046] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.106484] CPU: 0 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 25.114158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.123480] ffff8801b8627678 ffffffff81d94ee9 0000000000000000 ffffffff83c18e00 [ 25.131439] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 25.139396] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 25.147357] Call Trace: [ 25.149914] [] dump_stack+0xc1/0x128 [ 25.155248] [] check_preemption_disabled+0x1d4/0x200 [ 25.161968] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.168427] [] ipcomp_init_state+0x188/0x930 [ 25.174452] [] ? __lock_is_held+0xa1/0xf0 [ 25.180220] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.186247] [] __xfrm_init_state+0x3e7/0xb30 [ 25.192273] [] xfrm_init_state+0x1a/0x20 [ 25.197952] [] pfkey_add+0x1fb9/0x3470 [ 25.203452] [] ? pfkey_delete+0x360/0x360 [ 25.209221] [] ? pfkey_seq_stop+0x80/0x80 [ 25.214985] [] ? __skb_clone+0x24a/0x7d0 [ 25.220659] [] ? pfkey_delete+0x360/0x360 [ 25.226420] [] pfkey_process+0x68b/0x750 [ 25.232100] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.238906] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.245712] [] pfkey_sendmsg+0x3a9/0x760 [ 25.251400] [] ? pfkey_spdget+0x820/0x820 [ 25.257171] [] sock_sendmsg+0xca/0x110 [ 25.262674] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.268439] [] ? SyS_socket+0x162/0x1b0 [ 25.274029] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.280576] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 25.287382] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 25.294275] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.301078] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 25.307973] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 25.314775] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 25.321495] [] ? quarantine_put+0xaa/0x180 [ 25.327355] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.334159] [] ? check_preemption_disabled+0x3b/0x200 [ 25.340963] [] ? check_preemption_disabled+0x3b/0x200 [ 25.347768] [] ? sock_destroy_inode+0x56/0x70 [ 25.353879] [] ? sock_destroy_inode+0x56/0x70 [ 25.359994] [] ? __fget_light+0x169/0x1f0 [ 25.365758] [] ? __fdget+0x18/0x20 [ 25.370912] [] ? sockfd_lookup_light+0x118/0x160 [ 25.377283] [] __sys_sendmsg+0xd6/0x190 executing program [ 25.382870] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.388631] [] ? iput+0x2af/0x900 [ 25.393702] [] ? sock_release+0x16d/0x1e0 [ 25.399472] [] ? move_addr_to_kernel+0x50/0x50 [ 25.405674] [] SyS_sendmsg+0x2d/0x50 [ 25.411001] [] ? __sys_sendmsg+0x190/0x190 [ 25.416852] [] do_syscall_64+0x1a4/0x490 [ 25.422528] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.466252] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 25.474924] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.480373] CPU: 0 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 25.488054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.497376] ffff8801b8627678 ffffffff81d94ee9 0000000000000000 ffffffff83c18e00 [ 25.505329] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 25.513288] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 25.521253] Call Trace: [ 25.523808] [] dump_stack+0xc1/0x128 [ 25.529139] [] check_preemption_disabled+0x1d4/0x200 [ 25.535858] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.542317] [] ipcomp_init_state+0x188/0x930 [ 25.548340] [] ? __lock_is_held+0xa1/0xf0 [ 25.554103] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.560124] [] __xfrm_init_state+0x3e7/0xb30 [ 25.566145] [] xfrm_init_state+0x1a/0x20 [ 25.571823] [] pfkey_add+0x1fb9/0x3470 [ 25.577329] [] ? pfkey_delete+0x360/0x360 [ 25.583094] [] ? pfkey_seq_stop+0x80/0x80 [ 25.588859] [] ? __skb_clone+0x24a/0x7d0 [ 25.594534] [] ? pfkey_delete+0x360/0x360 [ 25.600296] [] pfkey_process+0x68b/0x750 [ 25.605973] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.612778] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.619583] [] pfkey_sendmsg+0x3a9/0x760 [ 25.625258] [] ? pfkey_spdget+0x820/0x820 [ 25.631020] [] sock_sendmsg+0xca/0x110 [ 25.636523] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.642284] [] ? SyS_socket+0x162/0x1b0 [ 25.647873] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.654415] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 25.661221] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 25.668115] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.674920] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 25.681812] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 25.688626] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 25.695345] [] ? quarantine_put+0xaa/0x180 [ 25.701194] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.707999] [] ? check_preemption_disabled+0x3b/0x200 [ 25.714804] [] ? check_preemption_disabled+0x3b/0x200 [ 25.721611] [] ? sock_destroy_inode+0x56/0x70 [ 25.727720] [] ? sock_destroy_inode+0x56/0x70 [ 25.733838] [] ? __fget_light+0x169/0x1f0 [ 25.739602] [] ? __fdget+0x18/0x20 [ 25.744757] [] ? sockfd_lookup_light+0x118/0x160 [ 25.751126] [] __sys_sendmsg+0xd6/0x190 [ 25.756716] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.762476] [] ? iput+0x2af/0x900 executing program [ 25.767546] [] ? sock_release+0x16d/0x1e0 [ 25.773309] [] ? move_addr_to_kernel+0x50/0x50 [ 25.779506] [] SyS_sendmsg+0x2d/0x50 [ 25.784834] [] ? __sys_sendmsg+0x190/0x190 [ 25.790692] [] do_syscall_64+0x1a4/0x490 [ 25.796370] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.846209] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 25.854874] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.860330] CPU: 0 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 25.868010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.877332] ffff8801b8627678 ffffffff81d94ee9 0000000000000000 ffffffff83c18e00 [ 25.885286] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 25.893244] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 25.901204] Call Trace: [ 25.903762] [] dump_stack+0xc1/0x128 [ 25.909095] [] check_preemption_disabled+0x1d4/0x200 [ 25.915814] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.922279] [] ipcomp_init_state+0x188/0x930 [ 25.928305] [] ? __lock_is_held+0xa1/0xf0 [ 25.934069] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.940096] [] __xfrm_init_state+0x3e7/0xb30 [ 25.946124] [] xfrm_init_state+0x1a/0x20 [ 25.951802] [] pfkey_add+0x1fb9/0x3470 [ 25.957306] [] ? pfkey_delete+0x360/0x360 [ 25.963071] [] ? pfkey_seq_stop+0x80/0x80 [ 25.968841] [] ? __skb_clone+0x24a/0x7d0 [ 25.974515] [] ? pfkey_delete+0x360/0x360 [ 25.980280] [] pfkey_process+0x68b/0x750 [ 25.985955] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.992759] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.999565] [] pfkey_sendmsg+0x3a9/0x760 [ 26.005242] [] ? pfkey_spdget+0x820/0x820 [ 26.011004] [] sock_sendmsg+0xca/0x110 [ 26.016511] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.022273] [] ? SyS_socket+0x162/0x1b0 [ 26.027862] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.034409] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 26.041216] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 26.048107] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.054911] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 26.061801] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 26.068604] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 26.075326] [] ? quarantine_put+0xaa/0x180 [ 26.081178] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.087982] [] ? check_preemption_disabled+0x3b/0x200 [ 26.094790] [] ? check_preemption_disabled+0x3b/0x200 [ 26.101595] [] ? sock_destroy_inode+0x56/0x70 [ 26.107707] [] ? sock_destroy_inode+0x56/0x70 [ 26.113819] [] ? __fget_light+0x169/0x1f0 [ 26.119581] [] ? __fdget+0x18/0x20 [ 26.124734] [] ? sockfd_lookup_light+0x118/0x160 [ 26.131106] [] __sys_sendmsg+0xd6/0x190 [ 26.136698] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.142461] [] ? iput+0x2af/0x900 executing program [ 26.147532] [] ? sock_release+0x16d/0x1e0 [ 26.153297] [] ? move_addr_to_kernel+0x50/0x50 [ 26.159493] [] SyS_sendmsg+0x2d/0x50 [ 26.164823] [] ? __sys_sendmsg+0x190/0x190 [ 26.170675] [] do_syscall_64+0x1a4/0x490 [ 26.176352] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.216197] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 26.224854] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.230306] CPU: 0 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 26.237985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.247309] ffff8801b8627678 ffffffff81d94ee9 0000000000000000 ffffffff83c18e00 [ 26.255266] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 26.263222] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 26.271182] Call Trace: [ 26.273736] [] dump_stack+0xc1/0x128 [ 26.279074] [] check_preemption_disabled+0x1d4/0x200 [ 26.285794] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.292260] [] ipcomp_init_state+0x188/0x930 [ 26.298287] [] ? __lock_is_held+0xa1/0xf0 [ 26.304052] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.310079] [] __xfrm_init_state+0x3e7/0xb30 [ 26.316113] [] xfrm_init_state+0x1a/0x20 [ 26.321800] [] pfkey_add+0x1fb9/0x3470 [ 26.327301] [] ? pfkey_delete+0x360/0x360 [ 26.333068] [] ? pfkey_seq_stop+0x80/0x80 [ 26.338833] [] ? __skb_clone+0x24a/0x7d0 [ 26.344511] [] ? pfkey_delete+0x360/0x360 [ 26.350274] [] pfkey_process+0x68b/0x750 [ 26.355952] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.362755] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.369559] [] pfkey_sendmsg+0x3a9/0x760 [ 26.375235] [] ? pfkey_spdget+0x820/0x820 [ 26.380998] [] sock_sendmsg+0xca/0x110 [ 26.386502] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.392263] [] ? SyS_socket+0x162/0x1b0 [ 26.397862] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.404407] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 26.411215] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 26.418106] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.424910] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 26.431801] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 26.438605] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 26.445327] [] ? quarantine_put+0xaa/0x180 [ 26.451178] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.458391] [] ? check_preemption_disabled+0x3b/0x200 [ 26.465200] [] ? check_preemption_disabled+0x3b/0x200 [ 26.472007] [] ? sock_destroy_inode+0x56/0x70 [ 26.478117] [] ? sock_destroy_inode+0x56/0x70 [ 26.484229] [] ? __fget_light+0x169/0x1f0 [ 26.489996] [] ? __fdget+0x18/0x20 [ 26.495151] [] ? sockfd_lookup_light+0x118/0x160 [ 26.501523] [] __sys_sendmsg+0xd6/0x190 [ 26.507114] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 26.512876] [] ? iput+0x2af/0x900 [ 26.517946] [] ? sock_release+0x16d/0x1e0 [ 26.523708] [] ? move_addr_to_kernel+0x50/0x50 [ 26.529906] [] SyS_sendmsg+0x2d/0x50 [ 26.535234] [] ? __sys_sendmsg+0x190/0x190 [ 26.541087] [] do_syscall_64+0x1a4/0x490 [ 26.546765] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.596198] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 26.604873] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.610330] CPU: 0 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 26.618011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.627333] ffff8801b8627678 ffffffff81d94ee9 0000000000000000 ffffffff83c18e00 [ 26.635294] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 26.643257] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 26.651211] Call Trace: [ 26.653769] [] dump_stack+0xc1/0x128 [ 26.659099] [] check_preemption_disabled+0x1d4/0x200 [ 26.665819] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.672281] [] ipcomp_init_state+0x188/0x930 [ 26.678308] [] ? __lock_is_held+0xa1/0xf0 [ 26.684075] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.690099] [] __xfrm_init_state+0x3e7/0xb30 [ 26.696124] [] xfrm_init_state+0x1a/0x20 [ 26.701802] [] pfkey_add+0x1fb9/0x3470 [ 26.707305] [] ? pfkey_delete+0x360/0x360 [ 26.713069] [] ? pfkey_seq_stop+0x80/0x80 [ 26.718834] [] ? __skb_clone+0x24a/0x7d0 [ 26.724513] [] ? pfkey_delete+0x360/0x360 [ 26.730277] [] pfkey_process+0x68b/0x750 [ 26.735958] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.742768] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.749574] [] pfkey_sendmsg+0x3a9/0x760 [ 26.755251] [] ? pfkey_spdget+0x820/0x820 [ 26.761016] [] sock_sendmsg+0xca/0x110 [ 26.766522] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.772286] [] ? SyS_socket+0x162/0x1b0 [ 26.777877] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.784422] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 26.791228] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 26.798120] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.805014] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 26.811907] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 26.818711] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 26.825432] [] ? quarantine_put+0xaa/0x180 [ 26.831281] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.838087] [] ? check_preemption_disabled+0x3b/0x200 [ 26.844891] [] ? check_preemption_disabled+0x3b/0x200 [ 26.851704] [] ? sock_destroy_inode+0x56/0x70 [ 26.857814] [] ? sock_destroy_inode+0x56/0x70 [ 26.863935] [] ? __fget_light+0x169/0x1f0 [ 26.869700] [] ? __fdget+0x18/0x20 [ 26.874854] [] ? sockfd_lookup_light+0x118/0x160 [ 26.881225] [] __sys_sendmsg+0xd6/0x190 [ 26.886813] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.892576] [] ? iput+0x2af/0x900 executing program [ 26.897644] [] ? sock_release+0x16d/0x1e0 [ 26.903408] [] ? move_addr_to_kernel+0x50/0x50 [ 26.909606] [] SyS_sendmsg+0x2d/0x50 [ 26.914934] [] ? __sys_sendmsg+0x190/0x190 [ 26.920786] [] do_syscall_64+0x1a4/0x490 [ 26.926464] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.996238] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 27.004921] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.010358] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 27.018033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.027354] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 27.035319] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 27.043287] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 27.051244] Call Trace: [ 27.053798] [] dump_stack+0xc1/0x128 [ 27.059133] [] check_preemption_disabled+0x1d4/0x200 [ 27.065856] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.072316] [] ipcomp_init_state+0x188/0x930 [ 27.078343] [] ? __lock_is_held+0xa1/0xf0 [ 27.084108] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.090132] [] __xfrm_init_state+0x3e7/0xb30 [ 27.096168] [] xfrm_init_state+0x1a/0x20 [ 27.101856] [] pfkey_add+0x1fb9/0x3470 [ 27.107362] [] ? pfkey_delete+0x360/0x360 [ 27.113130] [] ? pfkey_seq_stop+0x80/0x80 [ 27.118899] [] ? __skb_clone+0x24a/0x7d0 [ 27.124578] [] ? pfkey_delete+0x360/0x360 [ 27.130348] [] pfkey_process+0x68b/0x750 [ 27.136038] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.142848] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.149653] [] pfkey_sendmsg+0x3a9/0x760 [ 27.155330] [] ? pfkey_spdget+0x820/0x820 [ 27.161094] [] sock_sendmsg+0xca/0x110 [ 27.166599] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.172366] [] ? SyS_socket+0x162/0x1b0 [ 27.177960] [] ? copy_msghdr_from_user+0x570/0x570 [ 27.184509] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 27.191320] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 27.198215] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.205018] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 27.211911] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 27.218716] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 27.225438] [] ? quarantine_put+0xaa/0x180 [ 27.231290] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.238095] [] ? check_preemption_disabled+0x3b/0x200 [ 27.244900] [] ? check_preemption_disabled+0x3b/0x200 [ 27.251708] [] ? sock_destroy_inode+0x56/0x70 [ 27.257821] [] ? sock_destroy_inode+0x56/0x70 [ 27.263943] [] ? __fget_light+0x169/0x1f0 [ 27.269708] [] ? __fdget+0x18/0x20 [ 27.274865] [] ? sockfd_lookup_light+0x118/0x160 [ 27.281237] [] __sys_sendmsg+0xd6/0x190 [ 27.286828] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.292592] [] ? iput+0x2af/0x900 executing program [ 27.297664] [] ? sock_release+0x16d/0x1e0 [ 27.303427] [] ? move_addr_to_kernel+0x50/0x50 [ 27.309623] [] SyS_sendmsg+0x2d/0x50 [ 27.314953] [] ? __sys_sendmsg+0x190/0x190 [ 27.320808] [] do_syscall_64+0x1a4/0x490 [ 27.326485] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 27.366229] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 27.374892] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.380343] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 27.388026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.397349] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 27.405340] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 27.413303] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 27.421264] Call Trace: [ 27.423819] [] dump_stack+0xc1/0x128 [ 27.429151] [] check_preemption_disabled+0x1d4/0x200 [ 27.435869] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.442330] [] ipcomp_init_state+0x188/0x930 [ 27.448354] [] ? __lock_is_held+0xa1/0xf0 [ 27.454118] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.460143] [] __xfrm_init_state+0x3e7/0xb30 [ 27.466168] [] xfrm_init_state+0x1a/0x20 [ 27.471847] [] pfkey_add+0x1fb9/0x3470 [ 27.477351] [] ? pfkey_delete+0x360/0x360 [ 27.483126] [] ? pfkey_seq_stop+0x80/0x80 [ 27.488904] [] ? __skb_clone+0x24a/0x7d0 [ 27.494585] [] ? pfkey_delete+0x360/0x360 [ 27.500351] [] pfkey_process+0x68b/0x750 [ 27.506034] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.512842] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.519650] [] pfkey_sendmsg+0x3a9/0x760 [ 27.525325] [] ? pfkey_spdget+0x820/0x820 [ 27.531090] [] sock_sendmsg+0xca/0x110 [ 27.536592] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.542353] [] ? SyS_socket+0x162/0x1b0 [ 27.547944] [] ? copy_msghdr_from_user+0x570/0x570 [ 27.554490] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 27.561295] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 27.568192] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.574997] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 27.581887] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 27.588692] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 27.595410] [] ? quarantine_put+0xaa/0x180 [ 27.601262] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.608069] [] ? check_preemption_disabled+0x3b/0x200 [ 27.614875] [] ? check_preemption_disabled+0x3b/0x200 [ 27.621680] [] ? sock_destroy_inode+0x56/0x70 [ 27.627790] [] ? sock_destroy_inode+0x56/0x70 [ 27.633903] [] ? __fget_light+0x169/0x1f0 [ 27.639669] [] ? __fdget+0x18/0x20 [ 27.644824] [] ? sockfd_lookup_light+0x118/0x160 [ 27.651194] [] __sys_sendmsg+0xd6/0x190 [ 27.656785] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.662547] [] ? iput+0x2af/0x900 executing program [ 27.667617] [] ? sock_release+0x16d/0x1e0 [ 27.673391] [] ? move_addr_to_kernel+0x50/0x50 [ 27.679594] [] SyS_sendmsg+0x2d/0x50 [ 27.684927] [] ? __sys_sendmsg+0x190/0x190 [ 27.690785] [] do_syscall_64+0x1a4/0x490 [ 27.696468] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 27.736190] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 27.744853] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.750300] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 27.757980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.767301] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 27.775264] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 27.783233] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 27.791194] Call Trace: [ 27.793750] [] dump_stack+0xc1/0x128 [ 27.799085] [] check_preemption_disabled+0x1d4/0x200 [ 27.805809] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.812268] [] ipcomp_init_state+0x188/0x930 [ 27.818295] [] ? __lock_is_held+0xa1/0xf0 [ 27.824059] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.830083] [] __xfrm_init_state+0x3e7/0xb30 [ 27.836108] [] xfrm_init_state+0x1a/0x20 [ 27.841788] [] pfkey_add+0x1fb9/0x3470 [ 27.847290] [] ? pfkey_delete+0x360/0x360 [ 27.853052] [] ? pfkey_seq_stop+0x80/0x80 [ 27.858820] [] ? __skb_clone+0x24a/0x7d0 [ 27.864498] [] ? pfkey_delete+0x360/0x360 [ 27.870260] [] pfkey_process+0x68b/0x750 [ 27.875937] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.882751] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.889555] [] pfkey_sendmsg+0x3a9/0x760 [ 27.895232] [] ? pfkey_spdget+0x820/0x820 [ 27.900997] [] sock_sendmsg+0xca/0x110 [ 27.906502] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.912263] [] ? SyS_socket+0x162/0x1b0 [ 27.917852] [] ? copy_msghdr_from_user+0x570/0x570 [ 27.924401] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 27.931209] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 27.938100] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.944905] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 27.951795] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 27.958599] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 27.965323] [] ? quarantine_put+0xaa/0x180 [ 27.971174] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.977982] [] ? check_preemption_disabled+0x3b/0x200 [ 27.984789] [] ? check_preemption_disabled+0x3b/0x200 [ 27.991594] [] ? sock_destroy_inode+0x56/0x70 [ 27.997715] [] ? sock_destroy_inode+0x56/0x70 [ 28.003828] [] ? __fget_light+0x169/0x1f0 [ 28.009591] [] ? __fdget+0x18/0x20 [ 28.014748] [] ? sockfd_lookup_light+0x118/0x160 [ 28.021120] [] __sys_sendmsg+0xd6/0x190 [ 28.026710] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.032473] [] ? iput+0x2af/0x900 executing program [ 28.037544] [] ? sock_release+0x16d/0x1e0 [ 28.043307] [] ? move_addr_to_kernel+0x50/0x50 [ 28.049506] [] SyS_sendmsg+0x2d/0x50 [ 28.054837] [] ? __sys_sendmsg+0x190/0x190 [ 28.060686] [] do_syscall_64+0x1a4/0x490 [ 28.066363] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.106228] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 28.114897] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.120348] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 28.128030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.137354] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 28.145323] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 28.153288] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 28.161256] Call Trace: [ 28.163812] [] dump_stack+0xc1/0x128 [ 28.169145] [] check_preemption_disabled+0x1d4/0x200 [ 28.175862] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.182322] [] ipcomp_init_state+0x188/0x930 [ 28.188350] [] ? __lock_is_held+0xa1/0xf0 [ 28.194116] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.200141] [] __xfrm_init_state+0x3e7/0xb30 [ 28.206163] [] xfrm_init_state+0x1a/0x20 [ 28.211843] [] pfkey_add+0x1fb9/0x3470 [ 28.217347] [] ? pfkey_delete+0x360/0x360 [ 28.223113] [] ? pfkey_seq_stop+0x80/0x80 [ 28.228885] [] ? __skb_clone+0x24a/0x7d0 [ 28.234564] [] ? pfkey_delete+0x360/0x360 [ 28.240328] [] pfkey_process+0x68b/0x750 [ 28.246005] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.252808] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.259626] [] pfkey_sendmsg+0x3a9/0x760 [ 28.265306] [] ? pfkey_spdget+0x820/0x820 [ 28.271078] [] sock_sendmsg+0xca/0x110 [ 28.276591] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.282354] [] ? SyS_socket+0x162/0x1b0 [ 28.287945] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.294492] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 28.301755] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 28.308648] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.315454] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 28.322345] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 28.329150] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 28.335868] [] ? quarantine_put+0xaa/0x180 [ 28.341718] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.348526] [] ? check_preemption_disabled+0x3b/0x200 [ 28.355336] [] ? check_preemption_disabled+0x3b/0x200 [ 28.362149] [] ? sock_destroy_inode+0x56/0x70 [ 28.368274] [] ? sock_destroy_inode+0x56/0x70 [ 28.374389] [] ? __fget_light+0x169/0x1f0 [ 28.380159] [] ? __fdget+0x18/0x20 [ 28.385331] [] ? sockfd_lookup_light+0x118/0x160 [ 28.391711] [] __sys_sendmsg+0xd6/0x190 [ 28.397305] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 28.403069] [] ? iput+0x2af/0x900 [ 28.408143] [] ? sock_release+0x16d/0x1e0 [ 28.413908] [] ? move_addr_to_kernel+0x50/0x50 [ 28.420110] [] SyS_sendmsg+0x2d/0x50 [ 28.425441] [] ? __sys_sendmsg+0x190/0x190 [ 28.431291] [] do_syscall_64+0x1a4/0x490 [ 28.436967] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.486208] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller958497/3736 [ 28.494876] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.500332] CPU: 1 PID: 3736 Comm: syzkaller958497 Not tainted 4.9.90-gdd1e37e #66 [ 28.508015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.517340] ffff8801b8627678 ffffffff81d94ee9 0000000000000001 ffffffff83c18e00 [ 28.525314] ffffffff83f45d60 ffff8801bc204800 0000000000000003 ffff8801b86276b8 [ 28.533303] ffffffff81dfc4e4 ffff8801b86276d0 ffffffff83f45d60 dffffc0000000000 [ 28.541277] Call Trace: [ 28.543836] [] dump_stack+0xc1/0x128 [ 28.549170] [] check_preemption_disabled+0x1d4/0x200 [ 28.555889] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.562351] [] ipcomp_init_state+0x188/0x930 [ 28.568377] [] ? __lock_is_held+0xa1/0xf0 [ 28.574142] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.580168] [] __xfrm_init_state+0x3e7/0xb30 [ 28.586196] [] xfrm_init_state+0x1a/0x20 [ 28.591879] [] pfkey_add+0x1fb9/0x3470 [ 28.597385] [] ? pfkey_delete+0x360/0x360 [ 28.603149] [] ? pfkey_seq_stop+0x80/0x80 [ 28.608915] [] ? __skb_clone+0x24a/0x7d0 [ 28.614591] [] ? pfkey_delete+0x360/0x360 [ 28.620354] [] pfkey_process+0x68b/0x750 [ 28.626041] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.632854] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.639661] [] pfkey_sendmsg+0x3a9/0x760 [ 28.645338] [] ? pfkey_spdget+0x820/0x820 [ 28.651102] [] sock_sendmsg+0xca/0x110 [ 28.656604] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.662365] [] ? SyS_socket+0x162/0x1b0 [ 28.667968] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.674525] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 28.681336] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 28.688242] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.695059] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 28.701958] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 28.708769] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 28.715495] [] ? quarantine_put+0xaa/0x180 [ 28.721353] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.728173] [] ? check_preemption_disabled+0x3b/0x200 [ 28.734988] [] ? check_preemption_disabled+0x3b/0x200 [ 28.741797] [] ? sock_destroy_inode+0x56/0x70 [ 28.747907] [] ? sock_destroy_inode+0x56/0x70 [ 28.754017] [] ? __fget_light+0x169/0x1f0 [ 28.759778] [] ? __fdget+0x18/0x20 [ 28.764932] [] ? sockfd_lookup_light+0x118/0x160 [ 28.771302] [] __sys_sendmsg+0xd6/0x190 [ 28.776890] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.782653] [] ? iput+0x2af/0x900 executing program executing program [ 28.787721] [] ? sock_release+0x16d/0x1e0 [ 28.793485] [] ? move_addr_to_kernel+0x50/0x50 [ 28.799685] [] SyS_sendmsg+0x2d/0x50 [ 28.805012] [] ? __sys_sendmsg+0x190/0x190 [ 28.810863] [] do_syscall_64+0x1a4/0x490 [ 28.816540] [] 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