[....] Starting enhanced syslogd: rsyslogd[ 15.144922] audit: type=1400 audit(1520514909.058:4): avc: denied { syslog } for pid=3652 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting 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 '10.128.0.43' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 28.026085] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 28.034879] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.040344] CPU: 0 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 28.048040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.057367] ffff8801d994f678 ffffffff81d956f9 0000000000000000 ffffffff83c19000 [ 28.065333] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 28.073315] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 28.081281] Call Trace: [ 28.083841] [] dump_stack+0xc1/0x128 [ 28.089175] [] check_preemption_disabled+0x1d4/0x200 [ 28.095895] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.102359] [] ipcomp_init_state+0x188/0x930 [ 28.108400] [] ? __lock_is_held+0xa1/0xf0 [ 28.114179] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.120204] [] __xfrm_init_state+0x3e7/0xb30 [ 28.126232] [] xfrm_init_state+0x1a/0x20 [ 28.131913] [] pfkey_add+0x1fb9/0x3470 [ 28.137421] [] ? pfkey_delete+0x360/0x360 [ 28.143188] [] ? pfkey_seq_stop+0x80/0x80 [ 28.148961] [] ? __skb_clone+0x24a/0x7d0 [ 28.154639] [] ? pfkey_delete+0x360/0x360 [ 28.160408] [] pfkey_process+0x68b/0x750 [ 28.166087] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.172909] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.179732] [] pfkey_sendmsg+0x3a9/0x760 [ 28.185415] [] ? pfkey_spdget+0x820/0x820 [ 28.191182] [] sock_sendmsg+0xca/0x110 [ 28.196692] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.202457] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.209005] [] ? check_preemption_disabled+0x3b/0x200 [ 28.215813] [] ? check_preemption_disabled+0x3b/0x200 [ 28.222620] [] ? debug_mutex_init+0x1c/0x60 [ 28.228564] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.235424] [] ? __lock_is_held+0xa1/0xf0 [ 28.241192] [] ? check_preemption_disabled+0x3b/0x200 [ 28.248088] [] ? __fd_install+0x223/0x5f0 [ 28.253853] [] ? __fget_light+0x169/0x1f0 [ 28.259618] [] ? __fdget+0x18/0x20 [ 28.264776] [] ? sockfd_lookup_light+0x118/0x160 [ 28.271150] [] __sys_sendmsg+0xd6/0x190 executing program [ 28.276742] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.282507] [] ? fd_install+0x4d/0x60 [ 28.287925] [] ? move_addr_to_kernel+0x50/0x50 [ 28.294129] [] SyS_sendmsg+0x2d/0x50 [ 28.299458] [] ? __sys_sendmsg+0x190/0x190 [ 28.305313] [] do_syscall_64+0x1a4/0x490 [ 28.311004] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.318952] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 28.327614] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.333078] CPU: 0 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 28.340761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.350087] ffff8801d994f678 ffffffff81d956f9 0000000000000000 ffffffff83c19000 [ 28.358049] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 28.366015] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 28.373979] Call Trace: [ 28.376537] [] dump_stack+0xc1/0x128 [ 28.381871] [] check_preemption_disabled+0x1d4/0x200 [ 28.388598] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.395161] [] ipcomp_init_state+0x188/0x930 [ 28.401188] [] ? __lock_is_held+0xa1/0xf0 [ 28.406955] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.412984] [] __xfrm_init_state+0x3e7/0xb30 [ 28.419011] [] xfrm_init_state+0x1a/0x20 [ 28.424702] [] pfkey_add+0x1fb9/0x3470 [ 28.430209] [] ? pfkey_delete+0x360/0x360 [ 28.435975] [] ? pfkey_seq_stop+0x80/0x80 [ 28.441748] [] ? __skb_clone+0x24a/0x7d0 [ 28.447426] [] ? pfkey_delete+0x360/0x360 [ 28.453191] [] pfkey_process+0x68b/0x750 [ 28.458868] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.465684] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.472513] [] pfkey_sendmsg+0x3a9/0x760 [ 28.478202] [] ? pfkey_spdget+0x820/0x820 [ 28.483970] [] sock_sendmsg+0xca/0x110 [ 28.489476] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.495261] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.501818] [] ? check_preemption_disabled+0x3b/0x200 [ 28.508628] [] ? check_preemption_disabled+0x3b/0x200 [ 28.515442] [] ? debug_mutex_init+0x1c/0x60 [ 28.521387] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.528198] [] ? __lock_is_held+0xa1/0xf0 [ 28.533964] [] ? check_preemption_disabled+0x3b/0x200 [ 28.540775] [] ? __fd_install+0x223/0x5f0 [ 28.546538] [] ? __fget_light+0x169/0x1f0 [ 28.552303] [] ? __fdget+0x18/0x20 [ 28.557461] [] ? sockfd_lookup_light+0x118/0x160 [ 28.563836] [] __sys_sendmsg+0xd6/0x190 [ 28.569431] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 28.575196] [] ? fd_install+0x4d/0x60 [ 28.580620] [] ? move_addr_to_kernel+0x50/0x50 [ 28.586826] [] SyS_sendmsg+0x2d/0x50 [ 28.592165] [] ? __sys_sendmsg+0x190/0x190 [ 28.598018] [] do_syscall_64+0x1a4/0x490 [ 28.603699] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.611259] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 28.619959] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.625387] CPU: 0 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 28.633062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.642389] ffff8801d994f678 ffffffff81d956f9 0000000000000000 ffffffff83c19000 [ 28.650354] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 28.658330] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 28.666301] Call Trace: [ 28.668860] [] dump_stack+0xc1/0x128 [ 28.674196] [] check_preemption_disabled+0x1d4/0x200 [ 28.680923] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.687395] [] ipcomp_init_state+0x188/0x930 [ 28.693430] [] ? __lock_is_held+0xa1/0xf0 [ 28.699197] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.705225] [] __xfrm_init_state+0x3e7/0xb30 [ 28.711252] [] xfrm_init_state+0x1a/0x20 [ 28.716941] [] pfkey_add+0x1fb9/0x3470 [ 28.722453] [] ? pfkey_delete+0x360/0x360 [ 28.728225] [] ? pfkey_seq_stop+0x80/0x80 [ 28.733994] [] ? __skb_clone+0x24a/0x7d0 [ 28.739672] [] ? pfkey_delete+0x360/0x360 [ 28.745437] [] pfkey_process+0x68b/0x750 [ 28.751121] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.757931] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.764746] [] pfkey_sendmsg+0x3a9/0x760 [ 28.770431] [] ? pfkey_spdget+0x820/0x820 [ 28.776198] [] sock_sendmsg+0xca/0x110 [ 28.781706] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.787473] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.794022] [] ? check_preemption_disabled+0x3b/0x200 [ 28.800835] [] ? check_preemption_disabled+0x3b/0x200 [ 28.807644] [] ? debug_mutex_init+0x1c/0x60 [ 28.813585] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.820407] [] ? __lock_is_held+0xa1/0xf0 [ 28.826177] [] ? check_preemption_disabled+0x3b/0x200 [ 28.832996] [] ? __fd_install+0x223/0x5f0 [ 28.838775] [] ? __fget_light+0x169/0x1f0 [ 28.844541] [] ? __fdget+0x18/0x20 [ 28.849710] [] ? sockfd_lookup_light+0x118/0x160 [ 28.856085] [] __sys_sendmsg+0xd6/0x190 [ 28.861689] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.867456] [] ? fd_install+0x4d/0x60 [ 28.872882] [] ? move_addr_to_kernel+0x50/0x50 executing program [ 28.879085] [] SyS_sendmsg+0x2d/0x50 [ 28.884418] [] ? __sys_sendmsg+0x190/0x190 [ 28.890271] [] do_syscall_64+0x1a4/0x490 [ 28.895953] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 28.904001] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 28.912708] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.918130] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 28.925812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.935135] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 28.943102] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 28.951065] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 28.959024] Call Trace: [ 28.961592] [] dump_stack+0xc1/0x128 [ 28.966934] [] check_preemption_disabled+0x1d4/0x200 [ 28.973656] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.980117] [] ipcomp_init_state+0x188/0x930 [ 28.986146] [] ? __lock_is_held+0xa1/0xf0 [ 28.991934] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.997969] [] __xfrm_init_state+0x3e7/0xb30 [ 29.003994] [] xfrm_init_state+0x1a/0x20 [ 29.009675] [] pfkey_add+0x1fb9/0x3470 [ 29.015180] [] ? pfkey_delete+0x360/0x360 [ 29.020947] [] ? pfkey_seq_stop+0x80/0x80 [ 29.026716] [] ? __skb_clone+0x24a/0x7d0 [ 29.032394] [] ? pfkey_delete+0x360/0x360 [ 29.038159] [] pfkey_process+0x68b/0x750 [ 29.043842] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.050654] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.057465] [] pfkey_sendmsg+0x3a9/0x760 [ 29.063147] [] ? pfkey_spdget+0x820/0x820 [ 29.068922] [] sock_sendmsg+0xca/0x110 [ 29.074428] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.080195] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.086753] [] ? check_preemption_disabled+0x3b/0x200 [ 29.093569] [] ? check_preemption_disabled+0x3b/0x200 [ 29.100400] [] ? debug_mutex_init+0x1c/0x60 [ 29.106342] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.113149] [] ? __lock_is_held+0xa1/0xf0 [ 29.118917] [] ? check_preemption_disabled+0x3b/0x200 [ 29.125727] [] ? __fd_install+0x223/0x5f0 [ 29.131492] [] ? __fget_light+0x169/0x1f0 [ 29.137265] [] ? __fdget+0x18/0x20 [ 29.142439] [] ? sockfd_lookup_light+0x118/0x160 [ 29.148827] [] __sys_sendmsg+0xd6/0x190 [ 29.154419] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.160192] [] ? fd_install+0x4d/0x60 [ 29.165610] [] ? move_addr_to_kernel+0x50/0x50 [ 29.171824] [] SyS_sendmsg+0x2d/0x50 executing program [ 29.177159] [] ? __sys_sendmsg+0x190/0x190 [ 29.183015] [] do_syscall_64+0x1a4/0x490 [ 29.188698] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.197032] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 29.205720] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.211165] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 29.218856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.228187] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 29.236156] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 29.244123] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 29.252090] Call Trace: [ 29.254649] [] dump_stack+0xc1/0x128 [ 29.259988] [] check_preemption_disabled+0x1d4/0x200 [ 29.266712] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.273176] [] ipcomp_init_state+0x188/0x930 [ 29.279212] [] ? __lock_is_held+0xa1/0xf0 [ 29.284986] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.291014] [] __xfrm_init_state+0x3e7/0xb30 [ 29.297038] [] xfrm_init_state+0x1a/0x20 [ 29.302716] [] pfkey_add+0x1fb9/0x3470 [ 29.308221] [] ? pfkey_delete+0x360/0x360 [ 29.313988] [] ? pfkey_seq_stop+0x80/0x80 [ 29.319754] [] ? __skb_clone+0x24a/0x7d0 [ 29.325434] [] ? pfkey_delete+0x360/0x360 [ 29.331200] [] pfkey_process+0x68b/0x750 [ 29.336883] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.343693] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.350501] [] pfkey_sendmsg+0x3a9/0x760 [ 29.356179] [] ? pfkey_spdget+0x820/0x820 [ 29.361946] [] sock_sendmsg+0xca/0x110 [ 29.367452] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.373215] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.379763] [] ? check_preemption_disabled+0x3b/0x200 [ 29.386572] [] ? check_preemption_disabled+0x3b/0x200 [ 29.393380] [] ? debug_mutex_init+0x1c/0x60 [ 29.399327] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.406137] [] ? __lock_is_held+0xa1/0xf0 [ 29.411903] [] ? check_preemption_disabled+0x3b/0x200 [ 29.418720] [] ? __fd_install+0x223/0x5f0 [ 29.424494] [] ? __fget_light+0x169/0x1f0 [ 29.430264] [] ? __fdget+0x18/0x20 [ 29.435427] [] ? sockfd_lookup_light+0x118/0x160 [ 29.441805] [] __sys_sendmsg+0xd6/0x190 [ 29.447396] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.453174] [] ? fd_install+0x4d/0x60 [ 29.458599] [] ? move_addr_to_kernel+0x50/0x50 [ 29.464801] [] SyS_sendmsg+0x2d/0x50 [ 29.470134] [] ? __sys_sendmsg+0x190/0x190 [ 29.475986] [] do_syscall_64+0x1a4/0x490 executing program [ 29.481669] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.490016] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 29.498697] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.504118] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 29.511822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.521147] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 29.529116] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 29.537079] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 29.545049] Call Trace: [ 29.547613] [] dump_stack+0xc1/0x128 [ 29.552951] [] check_preemption_disabled+0x1d4/0x200 [ 29.559677] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.566150] [] ipcomp_init_state+0x188/0x930 [ 29.572178] [] ? __lock_is_held+0xa1/0xf0 [ 29.577941] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.583964] [] __xfrm_init_state+0x3e7/0xb30 [ 29.589989] [] xfrm_init_state+0x1a/0x20 [ 29.595671] [] pfkey_add+0x1fb9/0x3470 [ 29.601173] [] ? pfkey_delete+0x360/0x360 [ 29.606940] [] ? pfkey_seq_stop+0x80/0x80 [ 29.612719] [] ? __skb_clone+0x24a/0x7d0 [ 29.618401] [] ? pfkey_delete+0x360/0x360 [ 29.624164] [] pfkey_process+0x68b/0x750 [ 29.629842] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.636652] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.643456] [] pfkey_sendmsg+0x3a9/0x760 [ 29.649135] [] ? pfkey_spdget+0x820/0x820 [ 29.654905] [] sock_sendmsg+0xca/0x110 [ 29.660413] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.666180] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.672732] [] ? check_preemption_disabled+0x3b/0x200 [ 29.679540] [] ? check_preemption_disabled+0x3b/0x200 [ 29.686347] [] ? debug_mutex_init+0x1c/0x60 [ 29.692296] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.699103] [] ? __lock_is_held+0xa1/0xf0 [ 29.704870] [] ? check_preemption_disabled+0x3b/0x200 [ 29.711677] [] ? __fd_install+0x223/0x5f0 [ 29.717454] [] ? __fget_light+0x169/0x1f0 [ 29.723217] [] ? __fdget+0x18/0x20 executing program [ 29.728377] [] ? sockfd_lookup_light+0x118/0x160 [ 29.734754] [] __sys_sendmsg+0xd6/0x190 [ 29.740351] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.746126] [] ? fd_install+0x4d/0x60 [ 29.751550] [] ? move_addr_to_kernel+0x50/0x50 [ 29.757750] [] SyS_sendmsg+0x2d/0x50 [ 29.763089] [] ? __sys_sendmsg+0x190/0x190 [ 29.768941] [] do_syscall_64+0x1a4/0x490 [ 29.774621] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.782805] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 29.791482] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.796900] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 29.804571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.813912] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 29.821870] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 29.829831] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 29.837789] Call Trace: [ 29.840350] [] dump_stack+0xc1/0x128 [ 29.845685] [] check_preemption_disabled+0x1d4/0x200 [ 29.852406] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.858867] [] ipcomp_init_state+0x188/0x930 [ 29.864893] [] ? __lock_is_held+0xa1/0xf0 [ 29.870658] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.876682] [] __xfrm_init_state+0x3e7/0xb30 [ 29.882713] [] xfrm_init_state+0x1a/0x20 [ 29.888390] [] pfkey_add+0x1fb9/0x3470 [ 29.893902] [] ? pfkey_delete+0x360/0x360 [ 29.899666] [] ? pfkey_seq_stop+0x80/0x80 [ 29.905435] [] ? __skb_clone+0x24a/0x7d0 [ 29.911114] [] ? pfkey_delete+0x360/0x360 [ 29.916879] [] pfkey_process+0x68b/0x750 [ 29.922560] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.929366] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.936183] [] pfkey_sendmsg+0x3a9/0x760 [ 29.941870] [] ? pfkey_spdget+0x820/0x820 [ 29.947639] [] sock_sendmsg+0xca/0x110 [ 29.953145] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.958912] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.965460] [] ? check_preemption_disabled+0x3b/0x200 [ 29.972267] [] ? check_preemption_disabled+0x3b/0x200 [ 29.979075] [] ? debug_mutex_init+0x1c/0x60 [ 29.985012] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.991819] [] ? __lock_is_held+0xa1/0xf0 [ 29.997584] [] ? check_preemption_disabled+0x3b/0x200 [ 30.004400] [] ? __fd_install+0x223/0x5f0 [ 30.010166] [] ? __fget_light+0x169/0x1f0 [ 30.015928] [] ? __fdget+0x18/0x20 [ 30.021089] [] ? sockfd_lookup_light+0x118/0x160 [ 30.027462] [] __sys_sendmsg+0xd6/0x190 executing program [ 30.033052] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.038817] [] ? fd_install+0x4d/0x60 [ 30.044233] [] ? move_addr_to_kernel+0x50/0x50 [ 30.050433] [] SyS_sendmsg+0x2d/0x50 [ 30.055779] [] ? __sys_sendmsg+0x190/0x190 [ 30.061639] [] do_syscall_64+0x1a4/0x490 [ 30.067330] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.075795] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 30.084573] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.090029] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 30.097710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.107035] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 30.114993] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 30.122958] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 30.130927] Call Trace: [ 30.133484] [] dump_stack+0xc1/0x128 [ 30.138823] [] check_preemption_disabled+0x1d4/0x200 [ 30.145546] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.152007] [] ipcomp_init_state+0x188/0x930 [ 30.158035] [] ? __lock_is_held+0xa1/0xf0 [ 30.163803] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.169832] [] __xfrm_init_state+0x3e7/0xb30 [ 30.175862] [] xfrm_init_state+0x1a/0x20 [ 30.181548] [] pfkey_add+0x1fb9/0x3470 [ 30.187054] [] ? pfkey_delete+0x360/0x360 [ 30.192820] [] ? pfkey_seq_stop+0x80/0x80 [ 30.198596] [] ? __skb_clone+0x24a/0x7d0 [ 30.204279] [] ? pfkey_delete+0x360/0x360 [ 30.210044] [] pfkey_process+0x68b/0x750 [ 30.215723] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.222536] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.229344] [] pfkey_sendmsg+0x3a9/0x760 [ 30.235030] [] ? pfkey_spdget+0x820/0x820 [ 30.240800] [] sock_sendmsg+0xca/0x110 [ 30.246321] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.252085] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.258643] [] ? check_preemption_disabled+0x3b/0x200 [ 30.265469] [] ? check_preemption_disabled+0x3b/0x200 [ 30.272282] [] ? debug_mutex_init+0x1c/0x60 [ 30.278223] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.285040] [] ? __lock_is_held+0xa1/0xf0 [ 30.290815] [] ? check_preemption_disabled+0x3b/0x200 [ 30.297621] [] ? __fd_install+0x223/0x5f0 [ 30.303385] [] ? __fget_light+0x169/0x1f0 [ 30.309158] [] ? __fdget+0x18/0x20 [ 30.314318] [] ? sockfd_lookup_light+0x118/0x160 [ 30.320691] [] __sys_sendmsg+0xd6/0x190 [ 30.326290] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 30.332056] [] ? fd_install+0x4d/0x60 [ 30.337474] [] ? move_addr_to_kernel+0x50/0x50 [ 30.343675] [] SyS_sendmsg+0x2d/0x50 [ 30.349012] [] ? __sys_sendmsg+0x190/0x190 [ 30.354867] [] do_syscall_64+0x1a4/0x490 [ 30.360549] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.368452] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 30.377146] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.382592] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 30.390273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.399599] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 30.407557] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 30.415535] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 30.423500] Call Trace: [ 30.426060] [] dump_stack+0xc1/0x128 [ 30.431394] [] check_preemption_disabled+0x1d4/0x200 [ 30.438116] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.444578] [] ipcomp_init_state+0x188/0x930 [ 30.450611] [] ? __lock_is_held+0xa1/0xf0 [ 30.456375] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.462406] [] __xfrm_init_state+0x3e7/0xb30 [ 30.468430] [] xfrm_init_state+0x1a/0x20 [ 30.474108] [] pfkey_add+0x1fb9/0x3470 [ 30.479613] [] ? pfkey_delete+0x360/0x360 [ 30.485378] [] ? pfkey_seq_stop+0x80/0x80 [ 30.491145] [] ? __skb_clone+0x24a/0x7d0 [ 30.496820] [] ? pfkey_delete+0x360/0x360 [ 30.502590] [] pfkey_process+0x68b/0x750 [ 30.508268] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.515076] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.521882] [] pfkey_sendmsg+0x3a9/0x760 [ 30.527560] [] ? pfkey_spdget+0x820/0x820 [ 30.533326] [] sock_sendmsg+0xca/0x110 [ 30.538830] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.544597] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.551146] [] ? check_preemption_disabled+0x3b/0x200 [ 30.557957] [] ? check_preemption_disabled+0x3b/0x200 [ 30.564770] [] ? debug_mutex_init+0x1c/0x60 [ 30.570712] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.577531] [] ? __lock_is_held+0xa1/0xf0 [ 30.583300] [] ? check_preemption_disabled+0x3b/0x200 [ 30.590114] [] ? __fd_install+0x223/0x5f0 [ 30.595878] [] ? __fget_light+0x169/0x1f0 [ 30.601648] [] ? __fdget+0x18/0x20 [ 30.606808] [] ? sockfd_lookup_light+0x118/0x160 [ 30.613183] [] __sys_sendmsg+0xd6/0x190 [ 30.618775] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.624540] [] ? fd_install+0x4d/0x60 [ 30.629962] [] ? move_addr_to_kernel+0x50/0x50 executing program [ 30.636161] [] SyS_sendmsg+0x2d/0x50 [ 30.641499] [] ? __sys_sendmsg+0x190/0x190 [ 30.647356] [] do_syscall_64+0x1a4/0x490 [ 30.653034] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.661128] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 30.669868] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.675293] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 30.682966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.692288] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 30.700253] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 30.708224] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 30.716187] Call Trace: [ 30.718747] [] dump_stack+0xc1/0x128 [ 30.724079] [] check_preemption_disabled+0x1d4/0x200 [ 30.730798] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.737265] [] ipcomp_init_state+0x188/0x930 [ 30.743291] [] ? __lock_is_held+0xa1/0xf0 [ 30.749061] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.755086] [] __xfrm_init_state+0x3e7/0xb30 [ 30.761111] [] xfrm_init_state+0x1a/0x20 [ 30.766792] [] pfkey_add+0x1fb9/0x3470 [ 30.772296] [] ? pfkey_delete+0x360/0x360 [ 30.778062] [] ? pfkey_seq_stop+0x80/0x80 [ 30.783829] [] ? __skb_clone+0x24a/0x7d0 [ 30.789506] [] ? pfkey_delete+0x360/0x360 [ 30.795269] [] pfkey_process+0x68b/0x750 [ 30.800946] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.807753] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.814560] [] pfkey_sendmsg+0x3a9/0x760 [ 30.820238] [] ? pfkey_spdget+0x820/0x820 [ 30.826002] [] sock_sendmsg+0xca/0x110 [ 30.831505] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.837270] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.843819] [] ? check_preemption_disabled+0x3b/0x200 [ 30.850626] [] ? check_preemption_disabled+0x3b/0x200 [ 30.857437] [] ? debug_mutex_init+0x1c/0x60 [ 30.863385] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.870206] [] ? __lock_is_held+0xa1/0xf0 [ 30.875974] [] ? check_preemption_disabled+0x3b/0x200 [ 30.882785] [] ? __fd_install+0x223/0x5f0 [ 30.888550] [] ? __fget_light+0x169/0x1f0 [ 30.894322] [] ? __fdget+0x18/0x20 [ 30.899480] [] ? sockfd_lookup_light+0x118/0x160 [ 30.905858] [] __sys_sendmsg+0xd6/0x190 [ 30.911448] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.917213] [] ? fd_install+0x4d/0x60 [ 30.922632] [] ? move_addr_to_kernel+0x50/0x50 [ 30.928837] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.934173] [] ? __sys_sendmsg+0x190/0x190 [ 30.940025] [] do_syscall_64+0x1a4/0x490 [ 30.945708] [] 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 [ 33.048916] check_preemption_disabled: 1042 callbacks suppressed [ 33.048921] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 33.063766] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.069274] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 33.076966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.086300] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 33.094276] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 33.102239] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 33.110229] Call Trace: [ 33.112814] [] dump_stack+0xc1/0x128 [ 33.118170] [] check_preemption_disabled+0x1d4/0x200 [ 33.124899] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.131368] [] ipcomp_init_state+0x188/0x930 [ 33.137397] [] ? __lock_is_held+0xa1/0xf0 [ 33.143174] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.149199] [] __xfrm_init_state+0x3e7/0xb30 [ 33.155227] [] xfrm_init_state+0x1a/0x20 [ 33.160908] [] pfkey_add+0x1fb9/0x3470 [ 33.166433] [] ? pfkey_delete+0x360/0x360 [ 33.172201] [] ? pfkey_seq_stop+0x80/0x80 [ 33.177973] [] ? __skb_clone+0x24a/0x7d0 [ 33.183655] [] ? pfkey_delete+0x360/0x360 [ 33.189442] [] pfkey_process+0x68b/0x750 [ 33.195130] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.201958] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.208786] [] pfkey_sendmsg+0x3a9/0x760 [ 33.214467] [] ? pfkey_spdget+0x820/0x820 [ 33.220236] [] sock_sendmsg+0xca/0x110 [ 33.225741] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.231513] [] ? SyS_socket+0x162/0x1b0 [ 33.237111] [] ? copy_msghdr_from_user+0x570/0x570 [ 33.243670] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 33.250499] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 33.257398] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.264222] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.271136] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 33.277948] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 33.284681] [] ? quarantine_put+0xaa/0x180 [ 33.290536] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.297359] [] ? check_preemption_disabled+0x3b/0x200 [ 33.304169] [] ? check_preemption_disabled+0x3b/0x200 [ 33.310989] [] ? sock_destroy_inode+0x56/0x70 [ 33.317120] [] ? sock_destroy_inode+0x56/0x70 [ 33.323256] [] ? __fget_light+0x169/0x1f0 [ 33.329049] [] ? __fdget+0x18/0x20 [ 33.334228] [] ? sockfd_lookup_light+0x118/0x160 [ 33.340617] [] __sys_sendmsg+0xd6/0x190 executing program [ 33.346214] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.351982] [] ? iput+0x2af/0x900 [ 33.357066] [] ? sock_release+0x16d/0x1e0 [ 33.362831] [] ? move_addr_to_kernel+0x50/0x50 [ 33.369031] [] SyS_sendmsg+0x2d/0x50 [ 33.374363] [] ? __sys_sendmsg+0x190/0x190 [ 33.380226] [] do_syscall_64+0x1a4/0x490 [ 33.385908] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.438934] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 33.447632] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.453148] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 33.461943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.471296] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 33.479348] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 33.487356] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 33.495382] Call Trace: [ 33.497958] [] dump_stack+0xc1/0x128 [ 33.503294] [] check_preemption_disabled+0x1d4/0x200 [ 33.510019] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.516479] [] ipcomp_init_state+0x188/0x930 [ 33.522508] [] ? __lock_is_held+0xa1/0xf0 [ 33.528280] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.534312] [] __xfrm_init_state+0x3e7/0xb30 [ 33.540344] [] xfrm_init_state+0x1a/0x20 [ 33.546023] [] pfkey_add+0x1fb9/0x3470 [ 33.551527] [] ? pfkey_delete+0x360/0x360 [ 33.557293] [] ? pfkey_seq_stop+0x80/0x80 [ 33.563058] [] ? __skb_clone+0x24a/0x7d0 [ 33.568736] [] ? pfkey_delete+0x360/0x360 [ 33.574501] [] pfkey_process+0x68b/0x750 [ 33.580187] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.586995] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.593820] [] pfkey_sendmsg+0x3a9/0x760 [ 33.599530] [] ? pfkey_spdget+0x820/0x820 [ 33.605303] [] sock_sendmsg+0xca/0x110 [ 33.610818] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.616585] [] ? SyS_socket+0x162/0x1b0 [ 33.622180] [] ? copy_msghdr_from_user+0x570/0x570 [ 33.628738] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 33.635554] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 33.642455] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.649264] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 33.656167] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 33.662984] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 33.669711] [] ? quarantine_put+0xaa/0x180 [ 33.675564] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.682372] [] ? check_preemption_disabled+0x3b/0x200 [ 33.689189] [] ? check_preemption_disabled+0x3b/0x200 [ 33.695998] [] ? sock_destroy_inode+0x56/0x70 [ 33.702111] [] ? sock_destroy_inode+0x56/0x70 [ 33.708224] [] ? __fget_light+0x169/0x1f0 [ 33.713991] [] ? __fdget+0x18/0x20 [ 33.719160] [] ? sockfd_lookup_light+0x118/0x160 [ 33.725545] [] __sys_sendmsg+0xd6/0x190 [ 33.731148] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 33.736927] [] ? iput+0x2af/0x900 [ 33.742006] [] ? sock_release+0x16d/0x1e0 [ 33.747772] [] ? move_addr_to_kernel+0x50/0x50 [ 33.753976] [] SyS_sendmsg+0x2d/0x50 [ 33.759310] [] ? __sys_sendmsg+0x190/0x190 [ 33.765172] [] do_syscall_64+0x1a4/0x490 [ 33.770862] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 33.828893] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 33.837584] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.843064] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 33.850751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.860101] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 33.868076] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 33.876035] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 33.883999] Call Trace: [ 33.886558] [] dump_stack+0xc1/0x128 [ 33.891892] [] check_preemption_disabled+0x1d4/0x200 [ 33.898619] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.905080] [] ipcomp_init_state+0x188/0x930 [ 33.911106] [] ? __lock_is_held+0xa1/0xf0 [ 33.916883] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.922916] [] __xfrm_init_state+0x3e7/0xb30 [ 33.928948] [] xfrm_init_state+0x1a/0x20 [ 33.934636] [] pfkey_add+0x1fb9/0x3470 [ 33.940159] [] ? pfkey_delete+0x360/0x360 [ 33.945934] [] ? pfkey_seq_stop+0x80/0x80 [ 33.951711] [] ? __skb_clone+0x24a/0x7d0 [ 33.957398] [] ? pfkey_delete+0x360/0x360 [ 33.963164] [] pfkey_process+0x68b/0x750 [ 33.968860] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.975671] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.982480] [] pfkey_sendmsg+0x3a9/0x760 [ 33.988159] [] ? pfkey_spdget+0x820/0x820 [ 33.993927] [] sock_sendmsg+0xca/0x110 [ 33.999434] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.005207] [] ? SyS_socket+0x162/0x1b0 [ 34.010805] [] ? copy_msghdr_from_user+0x570/0x570 [ 34.017360] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 34.024173] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 34.031075] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.037883] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 34.044779] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 34.051594] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 34.058317] [] ? quarantine_put+0xaa/0x180 [ 34.064183] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.070993] [] ? check_preemption_disabled+0x3b/0x200 [ 34.077801] [] ? check_preemption_disabled+0x3b/0x200 [ 34.084612] [] ? sock_destroy_inode+0x56/0x70 [ 34.090728] [] ? sock_destroy_inode+0x56/0x70 [ 34.096843] [] ? __fget_light+0x169/0x1f0 [ 34.102609] [] ? __fdget+0x18/0x20 [ 34.107765] [] ? sockfd_lookup_light+0x118/0x160 [ 34.114143] [] __sys_sendmsg+0xd6/0x190 [ 34.119738] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 34.125503] [] ? iput+0x2af/0x900 [ 34.130577] [] ? sock_release+0x16d/0x1e0 [ 34.136344] [] ? move_addr_to_kernel+0x50/0x50 [ 34.142542] [] SyS_sendmsg+0x2d/0x50 [ 34.147873] [] ? __sys_sendmsg+0x190/0x190 [ 34.153735] [] do_syscall_64+0x1a4/0x490 [ 34.159425] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 34.198854] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 34.207530] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.213017] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 34.220708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.230079] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 34.238059] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 34.246041] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 34.254018] Call Trace: [ 34.256580] [] dump_stack+0xc1/0x128 [ 34.261917] [] check_preemption_disabled+0x1d4/0x200 [ 34.268638] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.275102] [] ipcomp_init_state+0x188/0x930 [ 34.281131] [] ? __lock_is_held+0xa1/0xf0 [ 34.286897] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.292936] [] __xfrm_init_state+0x3e7/0xb30 [ 34.298964] [] xfrm_init_state+0x1a/0x20 [ 34.304643] [] pfkey_add+0x1fb9/0x3470 [ 34.310147] [] ? pfkey_delete+0x360/0x360 [ 34.315914] [] ? pfkey_seq_stop+0x80/0x80 [ 34.321681] [] ? __skb_clone+0x24a/0x7d0 [ 34.327372] [] ? pfkey_delete+0x360/0x360 [ 34.333158] [] pfkey_process+0x68b/0x750 [ 34.338840] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.345650] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.352487] [] pfkey_sendmsg+0x3a9/0x760 [ 34.358174] [] ? pfkey_spdget+0x820/0x820 [ 34.363951] [] sock_sendmsg+0xca/0x110 [ 34.369456] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.375223] [] ? SyS_socket+0x162/0x1b0 [ 34.380818] [] ? copy_msghdr_from_user+0x570/0x570 [ 34.387365] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 34.394175] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 34.401072] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.407891] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 34.414797] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 34.421607] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 34.428327] [] ? quarantine_put+0xaa/0x180 [ 34.434182] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.440988] [] ? check_preemption_disabled+0x3b/0x200 [ 34.447796] [] ? check_preemption_disabled+0x3b/0x200 [ 34.454605] [] ? sock_destroy_inode+0x56/0x70 [ 34.460718] [] ? sock_destroy_inode+0x56/0x70 [ 34.466835] [] ? __fget_light+0x169/0x1f0 [ 34.472600] [] ? __fdget+0x18/0x20 [ 34.477756] [] ? sockfd_lookup_light+0x118/0x160 [ 34.484128] [] __sys_sendmsg+0xd6/0x190 [ 34.489719] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 34.495483] [] ? iput+0x2af/0x900 [ 34.500564] [] ? sock_release+0x16d/0x1e0 [ 34.506340] [] ? move_addr_to_kernel+0x50/0x50 [ 34.512538] [] SyS_sendmsg+0x2d/0x50 [ 34.517871] [] ? __sys_sendmsg+0x190/0x190 [ 34.523726] [] do_syscall_64+0x1a4/0x490 [ 34.529408] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 34.578886] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 34.587563] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.593027] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 34.600849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.610177] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 34.618181] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 34.626153] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 34.634118] Call Trace: [ 34.636677] [] dump_stack+0xc1/0x128 [ 34.642008] [] check_preemption_disabled+0x1d4/0x200 [ 34.648760] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.655224] [] ipcomp_init_state+0x188/0x930 [ 34.661250] [] ? __lock_is_held+0xa1/0xf0 [ 34.667015] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.673047] [] __xfrm_init_state+0x3e7/0xb30 [ 34.679075] [] xfrm_init_state+0x1a/0x20 [ 34.684754] [] pfkey_add+0x1fb9/0x3470 [ 34.690260] [] ? pfkey_delete+0x360/0x360 [ 34.696025] [] ? pfkey_seq_stop+0x80/0x80 [ 34.701804] [] ? __skb_clone+0x24a/0x7d0 [ 34.707485] [] ? pfkey_delete+0x360/0x360 [ 34.713252] [] pfkey_process+0x68b/0x750 [ 34.718934] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.725746] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.732556] [] pfkey_sendmsg+0x3a9/0x760 [ 34.738235] [] ? pfkey_spdget+0x820/0x820 [ 34.744004] [] sock_sendmsg+0xca/0x110 [ 34.749509] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.755276] [] ? SyS_socket+0x162/0x1b0 [ 34.760867] [] ? copy_msghdr_from_user+0x570/0x570 [ 34.767415] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 34.774222] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 34.781116] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.787922] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 34.794817] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 34.801632] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 34.808374] [] ? quarantine_put+0xaa/0x180 [ 34.814231] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.821041] [] ? check_preemption_disabled+0x3b/0x200 [ 34.827849] [] ? check_preemption_disabled+0x3b/0x200 [ 34.834659] [] ? sock_destroy_inode+0x56/0x70 [ 34.840770] [] ? sock_destroy_inode+0x56/0x70 [ 34.846884] [] ? __fget_light+0x169/0x1f0 [ 34.852655] [] ? __fdget+0x18/0x20 [ 34.857818] [] ? sockfd_lookup_light+0x118/0x160 [ 34.864194] [] __sys_sendmsg+0xd6/0x190 [ 34.869787] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 34.875553] [] ? iput+0x2af/0x900 [ 34.880628] [] ? sock_release+0x16d/0x1e0 [ 34.886394] [] ? move_addr_to_kernel+0x50/0x50 [ 34.892593] [] SyS_sendmsg+0x2d/0x50 [ 34.897925] [] ? __sys_sendmsg+0x190/0x190 [ 34.903779] [] do_syscall_64+0x1a4/0x490 [ 34.909460] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 34.948887] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 34.957577] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.963066] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 34.970749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.980075] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 34.988044] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 34.996024] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 35.004011] Call Trace: [ 35.006570] [] dump_stack+0xc1/0x128 [ 35.011904] [] check_preemption_disabled+0x1d4/0x200 [ 35.018634] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.025095] [] ipcomp_init_state+0x188/0x930 [ 35.031129] [] ? __lock_is_held+0xa1/0xf0 [ 35.036896] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.042922] [] __xfrm_init_state+0x3e7/0xb30 [ 35.048946] [] xfrm_init_state+0x1a/0x20 [ 35.054632] [] pfkey_add+0x1fb9/0x3470 [ 35.060148] [] ? pfkey_delete+0x360/0x360 [ 35.065913] [] ? pfkey_seq_stop+0x80/0x80 [ 35.071683] [] ? __skb_clone+0x24a/0x7d0 [ 35.077362] [] ? pfkey_delete+0x360/0x360 [ 35.083128] [] pfkey_process+0x68b/0x750 [ 35.088803] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.095612] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.102418] [] pfkey_sendmsg+0x3a9/0x760 [ 35.108112] [] ? pfkey_spdget+0x820/0x820 [ 35.113881] [] sock_sendmsg+0xca/0x110 [ 35.119385] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.125148] [] ? SyS_socket+0x162/0x1b0 [ 35.130740] [] ? copy_msghdr_from_user+0x570/0x570 [ 35.137295] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 35.144101] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 35.150997] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.157806] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 35.164700] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 35.171510] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 35.178232] [] ? quarantine_put+0xaa/0x180 [ 35.184087] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.190894] [] ? check_preemption_disabled+0x3b/0x200 [ 35.197700] [] ? check_preemption_disabled+0x3b/0x200 [ 35.204507] [] ? sock_destroy_inode+0x56/0x70 [ 35.210618] [] ? sock_destroy_inode+0x56/0x70 [ 35.216731] [] ? __fget_light+0x169/0x1f0 [ 35.222502] [] ? __fdget+0x18/0x20 [ 35.227659] [] ? sockfd_lookup_light+0x118/0x160 [ 35.234037] [] __sys_sendmsg+0xd6/0x190 [ 35.239627] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 35.245390] [] ? iput+0x2af/0x900 [ 35.250464] [] ? sock_release+0x16d/0x1e0 [ 35.256230] [] ? move_addr_to_kernel+0x50/0x50 [ 35.262431] [] SyS_sendmsg+0x2d/0x50 [ 35.267761] [] ? __sys_sendmsg+0x190/0x190 [ 35.273623] [] do_syscall_64+0x1a4/0x490 [ 35.279318] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.328843] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 35.337519] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.342982] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 35.350675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.360027] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 35.367992] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 35.375962] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 35.383938] Call Trace: [ 35.386507] [] dump_stack+0xc1/0x128 [ 35.391843] [] check_preemption_disabled+0x1d4/0x200 [ 35.398567] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.405042] [] ipcomp_init_state+0x188/0x930 [ 35.411079] [] ? __lock_is_held+0xa1/0xf0 [ 35.416848] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.422879] [] __xfrm_init_state+0x3e7/0xb30 [ 35.428907] [] xfrm_init_state+0x1a/0x20 [ 35.434593] [] pfkey_add+0x1fb9/0x3470 [ 35.440097] [] ? pfkey_delete+0x360/0x360 [ 35.445863] [] ? pfkey_seq_stop+0x80/0x80 [ 35.451633] [] ? __skb_clone+0x24a/0x7d0 [ 35.458059] [] ? pfkey_delete+0x360/0x360 [ 35.463829] [] pfkey_process+0x68b/0x750 [ 35.469510] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.476320] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.483126] [] pfkey_sendmsg+0x3a9/0x760 [ 35.488806] [] ? pfkey_spdget+0x820/0x820 [ 35.494571] [] sock_sendmsg+0xca/0x110 [ 35.500075] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.505844] [] ? SyS_socket+0x162/0x1b0 [ 35.511437] [] ? copy_msghdr_from_user+0x570/0x570 [ 35.517999] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 35.524813] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 35.531709] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.538515] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 35.545411] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 35.552218] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 35.558944] [] ? quarantine_put+0xaa/0x180 [ 35.564800] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.571612] [] ? check_preemption_disabled+0x3b/0x200 [ 35.578422] [] ? check_preemption_disabled+0x3b/0x200 [ 35.585235] [] ? sock_destroy_inode+0x56/0x70 [ 35.591351] [] ? sock_destroy_inode+0x56/0x70 [ 35.597467] [] ? __fget_light+0x169/0x1f0 [ 35.603234] [] ? __fdget+0x18/0x20 [ 35.608405] [] ? sockfd_lookup_light+0x118/0x160 [ 35.614787] [] __sys_sendmsg+0xd6/0x190 [ 35.620381] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 35.626147] [] ? iput+0x2af/0x900 [ 35.631219] [] ? sock_release+0x16d/0x1e0 [ 35.636984] [] ? move_addr_to_kernel+0x50/0x50 [ 35.643185] [] SyS_sendmsg+0x2d/0x50 [ 35.648522] [] ? __sys_sendmsg+0x190/0x190 [ 35.654386] [] do_syscall_64+0x1a4/0x490 [ 35.660088] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 35.718874] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 35.727557] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.733029] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 35.740719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.750049] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 35.758022] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 35.765997] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 35.773982] Call Trace: [ 35.776548] [] dump_stack+0xc1/0x128 [ 35.781888] [] check_preemption_disabled+0x1d4/0x200 [ 35.788643] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.795105] [] ipcomp_init_state+0x188/0x930 [ 35.801133] [] ? __lock_is_held+0xa1/0xf0 [ 35.806914] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.812960] [] __xfrm_init_state+0x3e7/0xb30 [ 35.818994] [] xfrm_init_state+0x1a/0x20 [ 35.824675] [] pfkey_add+0x1fb9/0x3470 [ 35.830181] [] ? pfkey_delete+0x360/0x360 [ 35.835948] [] ? pfkey_seq_stop+0x80/0x80 [ 35.841714] [] ? __skb_clone+0x24a/0x7d0 [ 35.847400] [] ? pfkey_delete+0x360/0x360 [ 35.853168] [] pfkey_process+0x68b/0x750 [ 35.858848] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.865660] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.872475] [] pfkey_sendmsg+0x3a9/0x760 [ 35.878154] [] ? pfkey_spdget+0x820/0x820 [ 35.883932] [] sock_sendmsg+0xca/0x110 [ 35.889444] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.895226] [] ? SyS_socket+0x162/0x1b0 [ 35.900830] [] ? copy_msghdr_from_user+0x570/0x570 [ 35.907382] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 35.914197] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 35.921104] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.927919] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 35.934818] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 35.941628] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 35.948353] [] ? quarantine_put+0xaa/0x180 [ 35.954209] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.961024] [] ? check_preemption_disabled+0x3b/0x200 [ 35.967833] [] ? check_preemption_disabled+0x3b/0x200 [ 35.974653] [] ? sock_destroy_inode+0x56/0x70 [ 35.980767] [] ? sock_destroy_inode+0x56/0x70 [ 35.986883] [] ? __fget_light+0x169/0x1f0 [ 35.992651] [] ? __fdget+0x18/0x20 [ 35.997828] [] ? sockfd_lookup_light+0x118/0x160 [ 36.004208] [] __sys_sendmsg+0xd6/0x190 [ 36.009813] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 36.015580] [] ? iput+0x2af/0x900 [ 36.020654] [] ? sock_release+0x16d/0x1e0 [ 36.026419] [] ? move_addr_to_kernel+0x50/0x50 [ 36.032645] [] SyS_sendmsg+0x2d/0x50 [ 36.032652] [] ? __sys_sendmsg+0x190/0x190 [ 36.032659] [] do_syscall_64+0x1a4/0x490 [ 36.032671] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program [ 36.069006] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 36.077717] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.077725] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 36.077728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.077744] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 36.077752] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 executing program executing program [ 36.077759] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 36.077761] Call Trace: [ 36.077772] [] dump_stack+0xc1/0x128 [ 36.077780] [] check_preemption_disabled+0x1d4/0x200 [ 36.077787] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.077796] [] ipcomp_init_state+0x188/0x930 [ 36.077805] [] ? __lock_is_held+0xa1/0xf0 [ 36.077812] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.077819] [] __xfrm_init_state+0x3e7/0xb30 executing program [ 36.077825] [] xfrm_init_state+0x1a/0x20 [ 36.077832] [] pfkey_add+0x1fb9/0x3470 [ 36.077838] [] ? pfkey_delete+0x360/0x360 [ 36.077844] [] ? pfkey_seq_stop+0x80/0x80 [ 36.077852] [] ? __skb_clone+0x24a/0x7d0 [ 36.077858] [] ? pfkey_delete+0x360/0x360 [ 36.077863] [] pfkey_process+0x68b/0x750 [ 36.077870] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program [ 36.077878] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.077885] [] pfkey_sendmsg+0x3a9/0x760 [ 36.077890] [] ? pfkey_spdget+0x820/0x820 [ 36.077899] [] sock_sendmsg+0xca/0x110 [ 36.077905] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.077910] [] ? SyS_socket+0x162/0x1b0 [ 36.077916] [] ? copy_msghdr_from_user+0x570/0x570 [ 36.077924] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 36.077930] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 executing program [ 36.077938] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.077944] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 36.077951] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 36.077959] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 36.077967] [] ? quarantine_put+0xaa/0x180 [ 36.077975] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.077982] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program [ 36.077989] [] ? check_preemption_disabled+0x3b/0x200 [ 36.077996] [] ? sock_destroy_inode+0x56/0x70 [ 36.078003] [] ? sock_destroy_inode+0x56/0x70 [ 36.078010] [] ? __fget_light+0x169/0x1f0 [ 36.078015] [] ? __fdget+0x18/0x20 [ 36.078022] [] ? sockfd_lookup_light+0x118/0x160 [ 36.078028] [] __sys_sendmsg+0xd6/0x190 [ 36.078034] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.078040] [] ? iput+0x2af/0x900 executing program [ 36.078047] [] ? sock_release+0x16d/0x1e0 [ 36.078053] [] ? move_addr_to_kernel+0x50/0x50 [ 36.078059] [] SyS_sendmsg+0x2d/0x50 [ 36.078064] [] ? __sys_sendmsg+0x190/0x190 [ 36.078071] [] do_syscall_64+0x1a4/0x490 [ 36.078078] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 36.109241] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller761377/3808 [ 36.109260] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 36.109267] CPU: 1 PID: 3808 Comm: syzkaller761377 Not tainted 4.9.86-g00db063 #52 [ 36.109271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.109282] ffff8801d994f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 36.109291] ffffffff83f45e60 ffff8801b0149800 0000000000000003 ffff8801d994f6b8 [ 36.109300] ffffffff81dfccf4 ffff8801d994f6d0 ffffffff83f45e60 dffffc0000000000 [ 36.109301] Call Trace: [ 36.109311] [] dump_stack+0xc1/0x128 executing program [ 36.109319] [] check_preemption_disabled+0x1d4/0x200 [ 36.109326] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.109335] [] ipcomp_init_state+0x188/0x930 [ 36.109344] [] ? __lock_is_held+0xa1/0xf0 [ 36.109351] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.109357] [] __xfrm_init_state+0x3e7/0xb30 [ 36.109363] [] xfrm_init_state+0x1a/0x20 [ 36.109370] [] pfkey_add+0x1fb9/0x3470 executing program executing program [ 36.109376] [] ? pfkey_delete+0x360/0x360 [ 36.109382] [] ? pfkey_seq_stop+0x80/0x80 [ 36.109389] [] ? __skb_clone+0x24a/0x7d0 [ 36.109395] [] ? pfkey_delete+0x360/0x360 [ 36.109401] [] pfkey_process+0x68b/0x750 [ 36.109407] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.109414] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.109421] [] pfkey_sendmsg+0x3a9/0x760 [ 36.109427] [] ? pfkey_spdget+0x820/0x820 executing program [ 36.109435] [] sock_sendmsg+0xca/0x110 [ 36.109440] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.109446] [] ? SyS_socket+0x162/0x1b0 [ 36.109452] [] ? copy_msghdr_from_user+0x570/0x570 [ 36.109459] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 36.109466] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 36.109473] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.109479] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 executing program [ 36.109486] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 36.109493] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 36.109501] [] ? quarantine_put+0xaa/0x180 [ 36.109508] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.109515] [] ? check_preemption_disabled+0x3b/0x200 [ 36.109522] [] ? check_preemption_disabled+0x3b/0x200 [ 36.109529] [] ? sock_destroy_inode+0x56/0x70 executing program [ 36.109536] [] ? sock_destroy_inode+0x56/0x70 [ 36.109542] [] ? __fget_light+0x169/0x1f0 [ 36.109548] [] ? __fdget+0x18/0x20 [ 36.109555] [] ? sockfd_lookup_light+0x118/0x160 [ 36.109561] [] __sys_sendmsg+0xd6/0x190 [ 36.109567] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.109572] [] ? iput+0x2af/0x900 [ 36.109579] [] ? sock_release+0x16d/0x1e0 [ 36.109585] [] ? move_addr_to_kernel+0x50/0x50 executing program executing program [ 36.109591] [] SyS_sendmsg+0x2d/0x50 [ 36.109596] [] ? __sys_sendmsg+0x190/0x190 [ 36.109604] [] do_syscall_64+0x1a4/0x490 [ 36.109610] [] 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