[....] Starting enhanced syslogd: rsyslogd[ 13.008764] audit: type=1400 audit(1520037230.188:4): 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.58' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 24.287002] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 24.295814] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.301270] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 24.308968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.318302] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 24.326281] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 24.334297] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 24.342266] Call Trace: [ 24.344837] [] dump_stack+0xc1/0x128 [ 24.350176] [] check_preemption_disabled+0x1d4/0x200 [ 24.356901] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.363364] [] ipcomp_init_state+0x188/0x930 [ 24.369392] [] ? __lock_is_held+0xa1/0xf0 [ 24.375161] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.381191] [] __xfrm_init_state+0x3e7/0xb30 [ 24.387216] [] xfrm_init_state+0x1a/0x20 [ 24.392898] [] pfkey_add+0x1fb9/0x3470 [ 24.398405] [] ? pfkey_delete+0x360/0x360 [ 24.404172] [] ? pfkey_seq_stop+0x80/0x80 [ 24.409959] [] ? __skb_clone+0x24a/0x7d0 [ 24.415638] [] ? pfkey_delete+0x360/0x360 [ 24.421403] [] pfkey_process+0x68b/0x750 [ 24.427084] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.433895] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.440706] [] pfkey_sendmsg+0x3a9/0x760 [ 24.446401] [] ? pfkey_spdget+0x820/0x820 [ 24.452177] [] sock_sendmsg+0xca/0x110 [ 24.457684] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.463450] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.470003] [] ? check_preemption_disabled+0x3b/0x200 [ 24.476814] [] ? check_preemption_disabled+0x3b/0x200 [ 24.483625] [] ? debug_mutex_init+0x1c/0x60 [ 24.489565] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.496377] [] ? __lock_is_held+0xa1/0xf0 [ 24.502145] [] ? check_preemption_disabled+0x3b/0x200 [ 24.508954] [] ? __fd_install+0x223/0x5f0 [ 24.514722] [] ? __fget_light+0x169/0x1f0 [ 24.520489] [] ? __fdget+0x18/0x20 [ 24.525658] [] ? sockfd_lookup_light+0x118/0x160 [ 24.532036] [] __sys_sendmsg+0xd6/0x190 executing program [ 24.537723] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.543506] [] ? fd_install+0x4d/0x60 [ 24.548928] [] ? move_addr_to_kernel+0x50/0x50 [ 24.555133] [] SyS_sendmsg+0x2d/0x50 [ 24.560468] [] ? __sys_sendmsg+0x190/0x190 [ 24.566322] [] do_syscall_64+0x1a4/0x490 [ 24.572005] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.579964] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 24.588635] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.594272] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 24.601965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.611293] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 24.619263] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 24.627236] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 24.635219] Call Trace: [ 24.637782] [] dump_stack+0xc1/0x128 [ 24.643118] [] check_preemption_disabled+0x1d4/0x200 [ 24.649850] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.656321] [] ipcomp_init_state+0x188/0x930 [ 24.662362] [] ? __lock_is_held+0xa1/0xf0 [ 24.668132] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.674163] [] __xfrm_init_state+0x3e7/0xb30 [ 24.680195] [] xfrm_init_state+0x1a/0x20 [ 24.685878] [] pfkey_add+0x1fb9/0x3470 [ 24.691386] [] ? pfkey_delete+0x360/0x360 [ 24.697156] [] ? pfkey_seq_stop+0x80/0x80 [ 24.702940] [] ? __skb_clone+0x24a/0x7d0 [ 24.708634] [] ? pfkey_delete+0x360/0x360 [ 24.714406] [] pfkey_process+0x68b/0x750 [ 24.720093] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.726907] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.733722] [] pfkey_sendmsg+0x3a9/0x760 [ 24.739402] [] ? pfkey_spdget+0x820/0x820 [ 24.745173] [] sock_sendmsg+0xca/0x110 [ 24.750682] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.756450] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.763100] [] ? check_preemption_disabled+0x3b/0x200 [ 24.769908] [] ? check_preemption_disabled+0x3b/0x200 [ 24.776721] [] ? debug_mutex_init+0x1c/0x60 [ 24.782664] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.789471] [] ? __lock_is_held+0xa1/0xf0 [ 24.795241] [] ? check_preemption_disabled+0x3b/0x200 [ 24.802060] [] ? __fd_install+0x223/0x5f0 [ 24.807830] [] ? __fget_light+0x169/0x1f0 [ 24.813605] [] ? __fdget+0x18/0x20 [ 24.818775] [] ? sockfd_lookup_light+0x118/0x160 [ 24.825151] [] __sys_sendmsg+0xd6/0x190 [ 24.830744] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 24.836511] [] ? fd_install+0x4d/0x60 [ 24.841931] [] ? move_addr_to_kernel+0x50/0x50 [ 24.848133] [] SyS_sendmsg+0x2d/0x50 [ 24.853469] [] ? __sys_sendmsg+0x190/0x190 [ 24.859324] [] do_syscall_64+0x1a4/0x490 [ 24.865008] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.875100] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 24.884149] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.889997] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 24.897872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.907396] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 24.915430] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 24.923427] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 24.931405] Call Trace: [ 24.933970] [] dump_stack+0xc1/0x128 [ 24.939400] [] check_preemption_disabled+0x1d4/0x200 [ 24.946122] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.952587] [] ipcomp_init_state+0x188/0x930 [ 24.958627] [] ? __lock_is_held+0xa1/0xf0 [ 24.964397] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.970424] [] __xfrm_init_state+0x3e7/0xb30 [ 24.976459] [] xfrm_init_state+0x1a/0x20 [ 24.982229] [] pfkey_add+0x1fb9/0x3470 [ 24.987736] [] ? pfkey_delete+0x360/0x360 [ 24.993503] [] ? pfkey_seq_stop+0x80/0x80 [ 24.999274] [] ? __skb_clone+0x24a/0x7d0 [ 25.004966] [] ? pfkey_delete+0x360/0x360 [ 25.010735] [] pfkey_process+0x68b/0x750 [ 25.016417] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.023228] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.030038] [] pfkey_sendmsg+0x3a9/0x760 [ 25.035723] [] ? pfkey_spdget+0x820/0x820 [ 25.041491] [] sock_sendmsg+0xca/0x110 [ 25.046998] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.052769] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.059326] [] ? check_preemption_disabled+0x3b/0x200 [ 25.066134] [] ? check_preemption_disabled+0x3b/0x200 [ 25.072947] [] ? debug_mutex_init+0x1c/0x60 [ 25.078891] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.085701] [] ? __lock_is_held+0xa1/0xf0 [ 25.091468] [] ? check_preemption_disabled+0x3b/0x200 [ 25.098279] [] ? __fd_install+0x223/0x5f0 [ 25.104044] [] ? __fget_light+0x169/0x1f0 [ 25.109811] [] ? __fdget+0x18/0x20 [ 25.114982] [] ? sockfd_lookup_light+0x118/0x160 [ 25.121357] [] __sys_sendmsg+0xd6/0x190 [ 25.126959] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.132734] [] ? fd_install+0x4d/0x60 executing program [ 25.138163] [] ? move_addr_to_kernel+0x50/0x50 [ 25.144367] [] SyS_sendmsg+0x2d/0x50 [ 25.149699] [] ? __sys_sendmsg+0x190/0x190 [ 25.155553] [] do_syscall_64+0x1a4/0x490 [ 25.161235] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.175939] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 25.184722] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.190177] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 25.197872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.207373] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 25.215347] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 25.223315] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 25.231291] Call Trace: [ 25.233851] [] dump_stack+0xc1/0x128 [ 25.239188] [] check_preemption_disabled+0x1d4/0x200 [ 25.245910] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.252461] [] ipcomp_init_state+0x188/0x930 [ 25.258493] [] ? __lock_is_held+0xa1/0xf0 [ 25.264271] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.270301] [] __xfrm_init_state+0x3e7/0xb30 [ 25.276327] [] xfrm_init_state+0x1a/0x20 [ 25.282010] [] pfkey_add+0x1fb9/0x3470 [ 25.287516] [] ? pfkey_delete+0x360/0x360 [ 25.293280] [] ? pfkey_seq_stop+0x80/0x80 [ 25.299046] [] ? __skb_clone+0x24a/0x7d0 [ 25.304727] [] ? pfkey_delete+0x360/0x360 [ 25.310492] [] pfkey_process+0x68b/0x750 [ 25.316173] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.322983] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.329794] [] pfkey_sendmsg+0x3a9/0x760 [ 25.335476] [] ? pfkey_spdget+0x820/0x820 [ 25.341244] [] sock_sendmsg+0xca/0x110 [ 25.346760] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.352537] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.359096] [] ? check_preemption_disabled+0x3b/0x200 [ 25.365908] [] ? check_preemption_disabled+0x3b/0x200 [ 25.372720] [] ? debug_mutex_init+0x1c/0x60 [ 25.378661] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.385476] [] ? __lock_is_held+0xa1/0xf0 [ 25.391244] [] ? check_preemption_disabled+0x3b/0x200 [ 25.398055] [] ? __fd_install+0x223/0x5f0 [ 25.403824] [] ? __fget_light+0x169/0x1f0 [ 25.409592] [] ? __fdget+0x18/0x20 [ 25.414756] [] ? sockfd_lookup_light+0x118/0x160 [ 25.421133] [] __sys_sendmsg+0xd6/0x190 [ 25.426729] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.432497] [] ? fd_install+0x4d/0x60 executing program [ 25.437918] [] ? move_addr_to_kernel+0x50/0x50 [ 25.444116] [] SyS_sendmsg+0x2d/0x50 [ 25.449455] [] ? __sys_sendmsg+0x190/0x190 [ 25.455314] [] do_syscall_64+0x1a4/0x490 [ 25.460998] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.468456] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 25.477216] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.483019] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 25.490704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.500034] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 25.508020] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 25.516002] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 25.523982] Call Trace: [ 25.526563] [] dump_stack+0xc1/0x128 [ 25.531898] [] check_preemption_disabled+0x1d4/0x200 [ 25.538618] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.545082] [] ipcomp_init_state+0x188/0x930 [ 25.551109] [] ? __lock_is_held+0xa1/0xf0 [ 25.556882] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.562909] [] __xfrm_init_state+0x3e7/0xb30 [ 25.568946] [] xfrm_init_state+0x1a/0x20 [ 25.574628] [] pfkey_add+0x1fb9/0x3470 [ 25.580134] [] ? pfkey_delete+0x360/0x360 [ 25.585902] [] ? pfkey_seq_stop+0x80/0x80 [ 25.591672] [] ? __skb_clone+0x24a/0x7d0 [ 25.597351] [] ? pfkey_delete+0x360/0x360 [ 25.603120] [] pfkey_process+0x68b/0x750 [ 25.608807] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.615626] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.622446] [] pfkey_sendmsg+0x3a9/0x760 [ 25.628129] [] ? pfkey_spdget+0x820/0x820 [ 25.633906] [] sock_sendmsg+0xca/0x110 [ 25.639423] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.645194] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.651746] [] ? check_preemption_disabled+0x3b/0x200 [ 25.658555] [] ? check_preemption_disabled+0x3b/0x200 [ 25.665370] [] ? debug_mutex_init+0x1c/0x60 [ 25.671317] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.678135] [] ? __lock_is_held+0xa1/0xf0 [ 25.683914] [] ? check_preemption_disabled+0x3b/0x200 [ 25.690743] [] ? __fd_install+0x223/0x5f0 [ 25.696507] [] ? __fget_light+0x169/0x1f0 [ 25.702274] [] ? __fdget+0x18/0x20 [ 25.707434] [] ? sockfd_lookup_light+0x118/0x160 [ 25.713814] [] __sys_sendmsg+0xd6/0x190 [ 25.719408] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.725179] [] ? fd_install+0x4d/0x60 [ 25.730600] [] ? move_addr_to_kernel+0x50/0x50 [ 25.736805] [] SyS_sendmsg+0x2d/0x50 executing program [ 25.742140] [] ? __sys_sendmsg+0x190/0x190 [ 25.747993] [] do_syscall_64+0x1a4/0x490 [ 25.753674] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.761024] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 25.769765] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.775243] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 25.782928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.792265] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 25.800256] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 25.808232] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 25.816214] Call Trace: [ 25.818773] [] dump_stack+0xc1/0x128 [ 25.824115] [] check_preemption_disabled+0x1d4/0x200 [ 25.830846] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.837308] [] ipcomp_init_state+0x188/0x930 [ 25.843336] [] ? __lock_is_held+0xa1/0xf0 [ 25.849105] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.855132] [] __xfrm_init_state+0x3e7/0xb30 [ 25.861170] [] xfrm_init_state+0x1a/0x20 [ 25.866855] [] pfkey_add+0x1fb9/0x3470 [ 25.872362] [] ? pfkey_delete+0x360/0x360 [ 25.878130] [] ? pfkey_seq_stop+0x80/0x80 [ 25.883899] [] ? __skb_clone+0x24a/0x7d0 [ 25.890623] [] ? pfkey_delete+0x360/0x360 [ 25.896405] [] pfkey_process+0x68b/0x750 [ 25.902098] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.908914] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.915743] [] pfkey_sendmsg+0x3a9/0x760 [ 25.921444] [] ? pfkey_spdget+0x820/0x820 [ 25.927230] [] sock_sendmsg+0xca/0x110 [ 25.932745] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.938514] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.945065] [] ? check_preemption_disabled+0x3b/0x200 [ 25.951880] [] ? check_preemption_disabled+0x3b/0x200 [ 25.958694] [] ? debug_mutex_init+0x1c/0x60 [ 25.964651] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.971463] [] ? __lock_is_held+0xa1/0xf0 [ 25.977233] [] ? check_preemption_disabled+0x3b/0x200 [ 25.984043] [] ? __fd_install+0x223/0x5f0 [ 25.989815] [] ? __fget_light+0x169/0x1f0 [ 25.995583] [] ? __fdget+0x18/0x20 [ 26.000742] [] ? sockfd_lookup_light+0x118/0x160 [ 26.007118] [] __sys_sendmsg+0xd6/0x190 [ 26.012709] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.018474] [] ? fd_install+0x4d/0x60 [ 26.023891] [] ? move_addr_to_kernel+0x50/0x50 [ 26.030091] [] SyS_sendmsg+0x2d/0x50 [ 26.035427] [] ? __sys_sendmsg+0x190/0x190 executing program [ 26.041280] [] do_syscall_64+0x1a4/0x490 [ 26.046963] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.054894] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 26.063685] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.069113] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 26.076786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.086112] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 26.094084] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 26.102068] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 26.110075] Call Trace: [ 26.112648] [] dump_stack+0xc1/0x128 [ 26.117982] [] check_preemption_disabled+0x1d4/0x200 [ 26.124705] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.131168] [] ipcomp_init_state+0x188/0x930 [ 26.137206] [] ? __lock_is_held+0xa1/0xf0 [ 26.142975] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.149001] [] __xfrm_init_state+0x3e7/0xb30 [ 26.155028] [] xfrm_init_state+0x1a/0x20 [ 26.160709] [] pfkey_add+0x1fb9/0x3470 [ 26.166222] [] ? pfkey_delete+0x360/0x360 [ 26.171991] [] ? pfkey_seq_stop+0x80/0x80 [ 26.177764] [] ? __skb_clone+0x24a/0x7d0 [ 26.183452] [] ? pfkey_delete+0x360/0x360 [ 26.189232] [] pfkey_process+0x68b/0x750 [ 26.194910] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.201729] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.208538] [] pfkey_sendmsg+0x3a9/0x760 [ 26.214219] [] ? pfkey_spdget+0x820/0x820 [ 26.219993] [] sock_sendmsg+0xca/0x110 [ 26.225844] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.231609] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.238159] [] ? check_preemption_disabled+0x3b/0x200 [ 26.244973] [] ? check_preemption_disabled+0x3b/0x200 [ 26.251782] [] ? debug_mutex_init+0x1c/0x60 [ 26.257726] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.264536] [] ? __lock_is_held+0xa1/0xf0 [ 26.270308] [] ? check_preemption_disabled+0x3b/0x200 [ 26.277118] [] ? __fd_install+0x223/0x5f0 [ 26.282884] [] ? __fget_light+0x169/0x1f0 [ 26.288650] [] ? __fdget+0x18/0x20 [ 26.293814] [] ? sockfd_lookup_light+0x118/0x160 [ 26.300187] [] __sys_sendmsg+0xd6/0x190 [ 26.305780] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.311549] [] ? fd_install+0x4d/0x60 [ 26.316966] [] ? move_addr_to_kernel+0x50/0x50 [ 26.323174] [] SyS_sendmsg+0x2d/0x50 [ 26.328615] [] ? __sys_sendmsg+0x190/0x190 [ 26.334472] [] do_syscall_64+0x1a4/0x490 executing program [ 26.340158] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.348346] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 26.357054] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.362515] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 26.370202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.379538] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 26.387528] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 26.395505] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 26.403480] Call Trace: [ 26.406041] [] dump_stack+0xc1/0x128 [ 26.411377] [] check_preemption_disabled+0x1d4/0x200 [ 26.418107] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.424571] [] ipcomp_init_state+0x188/0x930 [ 26.430600] [] ? __lock_is_held+0xa1/0xf0 [ 26.436367] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.442394] [] __xfrm_init_state+0x3e7/0xb30 [ 26.448432] [] xfrm_init_state+0x1a/0x20 [ 26.454118] [] pfkey_add+0x1fb9/0x3470 [ 26.459628] [] ? pfkey_delete+0x360/0x360 [ 26.465395] [] ? pfkey_seq_stop+0x80/0x80 [ 26.471172] [] ? __skb_clone+0x24a/0x7d0 [ 26.476856] [] ? pfkey_delete+0x360/0x360 [ 26.482624] [] pfkey_process+0x68b/0x750 [ 26.488303] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.495209] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.502035] [] pfkey_sendmsg+0x3a9/0x760 [ 26.507718] [] ? pfkey_spdget+0x820/0x820 [ 26.513486] [] sock_sendmsg+0xca/0x110 [ 26.518991] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.524755] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.531305] [] ? check_preemption_disabled+0x3b/0x200 [ 26.538115] [] ? check_preemption_disabled+0x3b/0x200 [ 26.544925] [] ? debug_mutex_init+0x1c/0x60 [ 26.550874] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.557695] [] ? __lock_is_held+0xa1/0xf0 [ 26.563475] [] ? check_preemption_disabled+0x3b/0x200 [ 26.570286] [] ? __fd_install+0x223/0x5f0 [ 26.576054] [] ? __fget_light+0x169/0x1f0 [ 26.581817] [] ? __fdget+0x18/0x20 [ 26.586975] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 26.593355] [] __sys_sendmsg+0xd6/0x190 [ 26.598955] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.604722] [] ? fd_install+0x4d/0x60 [ 26.610143] [] ? move_addr_to_kernel+0x50/0x50 [ 26.616346] [] SyS_sendmsg+0x2d/0x50 [ 26.621690] [] ? __sys_sendmsg+0x190/0x190 [ 26.627544] [] do_syscall_64+0x1a4/0x490 [ 26.633226] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.641226] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 26.649931] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.655356] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 26.663037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.672365] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 26.680339] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 26.688309] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 26.696283] Call Trace: [ 26.698844] [] dump_stack+0xc1/0x128 [ 26.704179] [] check_preemption_disabled+0x1d4/0x200 [ 26.710901] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.717369] [] ipcomp_init_state+0x188/0x930 [ 26.723396] [] ? __lock_is_held+0xa1/0xf0 [ 26.729162] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.735189] [] __xfrm_init_state+0x3e7/0xb30 [ 26.741221] [] xfrm_init_state+0x1a/0x20 [ 26.746909] [] pfkey_add+0x1fb9/0x3470 [ 26.752416] [] ? pfkey_delete+0x360/0x360 [ 26.758180] [] ? pfkey_seq_stop+0x80/0x80 [ 26.763949] [] ? __skb_clone+0x24a/0x7d0 [ 26.769630] [] ? pfkey_delete+0x360/0x360 [ 26.775409] [] pfkey_process+0x68b/0x750 [ 26.781108] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.788465] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.795289] [] pfkey_sendmsg+0x3a9/0x760 [ 26.800990] [] ? pfkey_spdget+0x820/0x820 [ 26.806784] [] sock_sendmsg+0xca/0x110 [ 26.812321] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.818100] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.824663] [] ? check_preemption_disabled+0x3b/0x200 [ 26.831490] [] ? check_preemption_disabled+0x3b/0x200 [ 26.838312] [] ? debug_mutex_init+0x1c/0x60 [ 26.844267] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.851094] [] ? __lock_is_held+0xa1/0xf0 [ 26.856879] [] ? check_preemption_disabled+0x3b/0x200 [ 26.863706] [] ? __fd_install+0x223/0x5f0 [ 26.869486] [] ? __fget_light+0x169/0x1f0 [ 26.875340] [] ? __fdget+0x18/0x20 [ 26.880502] [] ? sockfd_lookup_light+0x118/0x160 [ 26.886876] [] __sys_sendmsg+0xd6/0x190 [ 26.892469] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 26.898237] [] ? fd_install+0x4d/0x60 [ 26.903656] [] ? move_addr_to_kernel+0x50/0x50 [ 26.909858] [] SyS_sendmsg+0x2d/0x50 [ 26.915189] [] ? __sys_sendmsg+0x190/0x190 [ 26.921049] [] do_syscall_64+0x1a4/0x490 [ 26.926731] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.934576] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 26.943800] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.949223] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 26.956896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.966222] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 26.974205] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 26.982182] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 26.990155] Call Trace: [ 26.992717] [] dump_stack+0xc1/0x128 [ 26.998054] [] check_preemption_disabled+0x1d4/0x200 [ 27.004795] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.011267] [] ipcomp_init_state+0x188/0x930 [ 27.017296] [] ? __lock_is_held+0xa1/0xf0 [ 27.023066] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.029096] [] __xfrm_init_state+0x3e7/0xb30 [ 27.035131] [] xfrm_init_state+0x1a/0x20 [ 27.040829] [] pfkey_add+0x1fb9/0x3470 [ 27.046338] [] ? pfkey_delete+0x360/0x360 [ 27.052119] [] ? pfkey_seq_stop+0x80/0x80 [ 27.057909] [] ? __skb_clone+0x24a/0x7d0 [ 27.063595] [] ? pfkey_delete+0x360/0x360 [ 27.069362] [] pfkey_process+0x68b/0x750 [ 27.075044] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.081858] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.088669] [] pfkey_sendmsg+0x3a9/0x760 [ 27.094348] [] ? pfkey_spdget+0x820/0x820 [ 27.100118] [] sock_sendmsg+0xca/0x110 [ 27.105630] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.111401] [] ? copy_msghdr_from_user+0x570/0x570 [ 27.117952] [] ? check_preemption_disabled+0x3b/0x200 [ 27.124773] [] ? check_preemption_disabled+0x3b/0x200 [ 27.131586] [] ? debug_mutex_init+0x1c/0x60 [ 27.137530] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.144340] [] ? __lock_is_held+0xa1/0xf0 [ 27.150111] [] ? check_preemption_disabled+0x3b/0x200 [ 27.156934] [] ? __fd_install+0x223/0x5f0 [ 27.162716] [] ? __fget_light+0x169/0x1f0 [ 27.168485] [] ? __fdget+0x18/0x20 [ 27.173659] [] ? sockfd_lookup_light+0x118/0x160 [ 27.180062] [] __sys_sendmsg+0xd6/0x190 [ 27.185658] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.191439] [] ? fd_install+0x4d/0x60 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 27.196882] [] ? move_addr_to_kernel+0x50/0x50 [ 27.203097] [] SyS_sendmsg+0x2d/0x50 [ 27.208440] [] ? __sys_sendmsg+0x190/0x190 [ 27.214306] [] do_syscall_64+0x1a4/0x490 [ 27.219990] [] 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 [ 29.300209] check_preemption_disabled: 1040 callbacks suppressed [ 29.300214] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 29.315066] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.320539] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 29.328239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.337573] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 29.345551] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 29.353532] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 29.361504] Call Trace: [ 29.364069] [] dump_stack+0xc1/0x128 [ 29.369424] [] check_preemption_disabled+0x1d4/0x200 [ 29.376156] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.382633] [] ipcomp_init_state+0x188/0x930 [ 29.388677] [] ? __lock_is_held+0xa1/0xf0 [ 29.394466] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.400543] [] __xfrm_init_state+0x3e7/0xb30 [ 29.406591] [] xfrm_init_state+0x1a/0x20 [ 29.412289] [] pfkey_add+0x1fb9/0x3470 [ 29.417829] [] ? pfkey_delete+0x360/0x360 [ 29.423614] [] ? pfkey_seq_stop+0x80/0x80 [ 29.429393] [] ? __skb_clone+0x24a/0x7d0 [ 29.435080] [] ? pfkey_delete+0x360/0x360 [ 29.440850] [] pfkey_process+0x68b/0x750 [ 29.446537] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.453354] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.460166] [] pfkey_sendmsg+0x3a9/0x760 [ 29.465849] [] ? pfkey_spdget+0x820/0x820 [ 29.471624] [] sock_sendmsg+0xca/0x110 [ 29.477132] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.482900] [] ? SyS_socket+0x162/0x1b0 [ 29.488497] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.495050] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 29.501865] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 29.508776] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.515602] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 29.522508] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 29.529319] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 29.536046] [] ? quarantine_put+0xaa/0x180 [ 29.541901] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.548712] [] ? check_preemption_disabled+0x3b/0x200 [ 29.555523] [] ? check_preemption_disabled+0x3b/0x200 [ 29.562344] [] ? sock_destroy_inode+0x56/0x70 [ 29.568460] [] ? sock_destroy_inode+0x56/0x70 [ 29.574587] [] ? __fget_light+0x169/0x1f0 [ 29.580361] [] ? __fdget+0x18/0x20 [ 29.585523] [] ? sockfd_lookup_light+0x118/0x160 [ 29.591902] [] __sys_sendmsg+0xd6/0x190 executing program [ 29.597503] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.603272] [] ? iput+0x2af/0x900 [ 29.608343] [] ? sock_release+0x16d/0x1e0 [ 29.614128] [] ? move_addr_to_kernel+0x50/0x50 [ 29.620329] [] SyS_sendmsg+0x2d/0x50 [ 29.625661] [] ? __sys_sendmsg+0x190/0x190 [ 29.631514] [] do_syscall_64+0x1a4/0x490 [ 29.637197] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 29.690253] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 29.698945] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.704465] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 29.712155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.721485] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 29.729460] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 29.737431] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 29.745457] Call Trace: [ 29.748017] [] dump_stack+0xc1/0x128 [ 29.753370] [] check_preemption_disabled+0x1d4/0x200 [ 29.760117] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.766579] [] ipcomp_init_state+0x188/0x930 [ 29.772605] [] ? __lock_is_held+0xa1/0xf0 [ 29.778372] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.784397] [] __xfrm_init_state+0x3e7/0xb30 [ 29.790421] [] xfrm_init_state+0x1a/0x20 [ 29.796099] [] pfkey_add+0x1fb9/0x3470 [ 29.801609] [] ? pfkey_delete+0x360/0x360 [ 29.807387] [] ? pfkey_seq_stop+0x80/0x80 [ 29.813153] [] ? __skb_clone+0x24a/0x7d0 [ 29.818833] [] ? pfkey_delete+0x360/0x360 [ 29.824599] [] pfkey_process+0x68b/0x750 [ 29.830284] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.837095] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.843907] [] pfkey_sendmsg+0x3a9/0x760 [ 29.849671] [] ? pfkey_spdget+0x820/0x820 [ 29.855438] [] sock_sendmsg+0xca/0x110 [ 29.860944] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.866714] [] ? SyS_socket+0x162/0x1b0 [ 29.872308] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.878860] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 29.886407] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 29.893308] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.900118] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 29.907016] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 29.913827] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 29.920555] [] ? quarantine_put+0xaa/0x180 [ 29.926417] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.933233] [] ? check_preemption_disabled+0x3b/0x200 [ 29.940046] [] ? check_preemption_disabled+0x3b/0x200 [ 29.946853] [] ? sock_destroy_inode+0x56/0x70 [ 29.952966] [] ? sock_destroy_inode+0x56/0x70 [ 29.959089] [] ? __fget_light+0x169/0x1f0 [ 29.964860] [] ? __fdget+0x18/0x20 [ 29.970019] [] ? sockfd_lookup_light+0x118/0x160 [ 29.976391] [] __sys_sendmsg+0xd6/0x190 [ 29.981985] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 29.987751] [] ? iput+0x2af/0x900 [ 29.992823] [] ? sock_release+0x16d/0x1e0 [ 29.998589] [] ? move_addr_to_kernel+0x50/0x50 [ 30.004789] [] SyS_sendmsg+0x2d/0x50 [ 30.010129] [] ? __sys_sendmsg+0x190/0x190 [ 30.015996] [] do_syscall_64+0x1a4/0x490 [ 30.021678] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.070156] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 30.078839] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.084324] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 30.092019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.101361] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 30.109371] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 30.117412] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 30.125409] Call Trace: [ 30.127978] [] dump_stack+0xc1/0x128 [ 30.133344] [] check_preemption_disabled+0x1d4/0x200 [ 30.140080] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.146560] [] ipcomp_init_state+0x188/0x930 [ 30.152594] [] ? __lock_is_held+0xa1/0xf0 [ 30.158366] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.164395] [] __xfrm_init_state+0x3e7/0xb30 [ 30.170422] [] xfrm_init_state+0x1a/0x20 [ 30.176106] [] pfkey_add+0x1fb9/0x3470 [ 30.181614] [] ? pfkey_delete+0x360/0x360 [ 30.187396] [] ? pfkey_seq_stop+0x80/0x80 [ 30.193167] [] ? __skb_clone+0x24a/0x7d0 [ 30.198866] [] ? pfkey_delete+0x360/0x360 [ 30.204640] [] pfkey_process+0x68b/0x750 [ 30.210325] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.217157] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.223969] [] pfkey_sendmsg+0x3a9/0x760 [ 30.229663] [] ? pfkey_spdget+0x820/0x820 [ 30.235432] [] sock_sendmsg+0xca/0x110 [ 30.240938] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.246704] [] ? SyS_socket+0x162/0x1b0 [ 30.252309] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.258871] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 30.265687] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 30.272591] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.279402] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 30.286300] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 30.293112] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 30.299838] [] ? quarantine_put+0xaa/0x180 [ 30.305700] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.312511] [] ? check_preemption_disabled+0x3b/0x200 [ 30.319322] [] ? check_preemption_disabled+0x3b/0x200 [ 30.326145] [] ? sock_destroy_inode+0x56/0x70 [ 30.332272] [] ? sock_destroy_inode+0x56/0x70 [ 30.338392] [] ? __fget_light+0x169/0x1f0 [ 30.344252] [] ? __fdget+0x18/0x20 [ 30.349422] [] ? sockfd_lookup_light+0x118/0x160 [ 30.355803] [] __sys_sendmsg+0xd6/0x190 [ 30.361401] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 30.367170] [] ? iput+0x2af/0x900 [ 30.372243] [] ? sock_release+0x16d/0x1e0 [ 30.378012] [] ? move_addr_to_kernel+0x50/0x50 [ 30.384211] [] SyS_sendmsg+0x2d/0x50 [ 30.389542] [] ? __sys_sendmsg+0x190/0x190 [ 30.395397] [] do_syscall_64+0x1a4/0x490 [ 30.401081] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.440178] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 30.448864] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.454416] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 30.462116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.471446] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 30.479422] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 30.487423] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 30.495390] Call Trace: [ 30.497957] [] dump_stack+0xc1/0x128 [ 30.503291] [] check_preemption_disabled+0x1d4/0x200 [ 30.510041] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.516509] [] ipcomp_init_state+0x188/0x930 [ 30.522544] [] ? __lock_is_held+0xa1/0xf0 [ 30.528314] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.534342] [] __xfrm_init_state+0x3e7/0xb30 [ 30.540371] [] xfrm_init_state+0x1a/0x20 [ 30.546054] [] pfkey_add+0x1fb9/0x3470 [ 30.551563] [] ? pfkey_delete+0x360/0x360 [ 30.557336] [] ? pfkey_seq_stop+0x80/0x80 [ 30.563107] [] ? __skb_clone+0x24a/0x7d0 [ 30.568790] [] ? pfkey_delete+0x360/0x360 [ 30.574558] [] pfkey_process+0x68b/0x750 [ 30.580240] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.587050] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.593860] [] pfkey_sendmsg+0x3a9/0x760 [ 30.599556] [] ? pfkey_spdget+0x820/0x820 [ 30.605344] [] sock_sendmsg+0xca/0x110 [ 30.610858] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.616640] [] ? SyS_socket+0x162/0x1b0 [ 30.622241] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.628796] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 30.635619] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 30.642527] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.649350] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 30.656265] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 30.663083] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 30.669819] [] ? quarantine_put+0xaa/0x180 [ 30.675682] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.682494] [] ? check_preemption_disabled+0x3b/0x200 [ 30.689304] [] ? check_preemption_disabled+0x3b/0x200 [ 30.696114] [] ? sock_destroy_inode+0x56/0x70 [ 30.702229] [] ? sock_destroy_inode+0x56/0x70 [ 30.708347] [] ? __fget_light+0x169/0x1f0 [ 30.714115] [] ? __fdget+0x18/0x20 [ 30.719275] [] ? sockfd_lookup_light+0x118/0x160 [ 30.725656] [] __sys_sendmsg+0xd6/0x190 [ 30.731251] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 30.737020] [] ? iput+0x2af/0x900 [ 30.742092] [] ? sock_release+0x16d/0x1e0 [ 30.747858] [] ? move_addr_to_kernel+0x50/0x50 [ 30.754059] [] SyS_sendmsg+0x2d/0x50 [ 30.759397] [] ? __sys_sendmsg+0x190/0x190 [ 30.765253] [] do_syscall_64+0x1a4/0x490 [ 30.770943] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 30.820182] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 30.828868] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.834326] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 30.842015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.851354] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 30.859330] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 30.867295] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 30.875264] Call Trace: [ 30.877824] [] dump_stack+0xc1/0x128 [ 30.883158] [] check_preemption_disabled+0x1d4/0x200 [ 30.889889] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.896361] [] ipcomp_init_state+0x188/0x930 [ 30.902391] [] ? __lock_is_held+0xa1/0xf0 [ 30.908160] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.914195] [] __xfrm_init_state+0x3e7/0xb30 [ 30.920225] [] xfrm_init_state+0x1a/0x20 [ 30.925907] [] pfkey_add+0x1fb9/0x3470 [ 30.931412] [] ? pfkey_delete+0x360/0x360 [ 30.937179] [] ? pfkey_seq_stop+0x80/0x80 [ 30.942949] [] ? __skb_clone+0x24a/0x7d0 [ 30.948629] [] ? pfkey_delete+0x360/0x360 [ 30.954412] [] pfkey_process+0x68b/0x750 [ 30.960094] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.966902] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.973710] [] pfkey_sendmsg+0x3a9/0x760 [ 30.979396] [] ? pfkey_spdget+0x820/0x820 [ 30.985169] [] sock_sendmsg+0xca/0x110 [ 30.990678] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.996445] [] ? SyS_socket+0x162/0x1b0 [ 31.002042] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.008596] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 31.015405] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.022305] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.029112] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 31.036011] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 31.042821] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 31.049543] [] ? quarantine_put+0xaa/0x180 [ 31.055407] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.062223] [] ? check_preemption_disabled+0x3b/0x200 [ 31.069033] [] ? check_preemption_disabled+0x3b/0x200 [ 31.075847] [] ? sock_destroy_inode+0x56/0x70 [ 31.081961] [] ? sock_destroy_inode+0x56/0x70 [ 31.088078] [] ? __fget_light+0x169/0x1f0 [ 31.093843] [] ? __fdget+0x18/0x20 [ 31.099010] [] ? sockfd_lookup_light+0x118/0x160 [ 31.105390] [] __sys_sendmsg+0xd6/0x190 [ 31.110985] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.116763] [] ? iput+0x2af/0x900 executing program [ 31.121841] [] ? sock_release+0x16d/0x1e0 [ 31.127610] [] ? move_addr_to_kernel+0x50/0x50 [ 31.133821] [] SyS_sendmsg+0x2d/0x50 [ 31.139164] [] ? __sys_sendmsg+0x190/0x190 [ 31.145021] [] do_syscall_64+0x1a4/0x490 [ 31.150702] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.190214] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 31.198908] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.204400] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 31.212102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.221433] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 31.229407] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 31.237383] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 31.245375] Call Trace: [ 31.247944] [] dump_stack+0xc1/0x128 [ 31.253282] [] check_preemption_disabled+0x1d4/0x200 [ 31.260021] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.266503] [] ipcomp_init_state+0x188/0x930 [ 31.272543] [] ? __lock_is_held+0xa1/0xf0 [ 31.278314] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.284351] [] __xfrm_init_state+0x3e7/0xb30 [ 31.290389] [] xfrm_init_state+0x1a/0x20 [ 31.296080] [] pfkey_add+0x1fb9/0x3470 [ 31.301598] [] ? pfkey_delete+0x360/0x360 [ 31.307368] [] ? pfkey_seq_stop+0x80/0x80 [ 31.313135] [] ? __skb_clone+0x24a/0x7d0 [ 31.318816] [] ? pfkey_delete+0x360/0x360 [ 31.324584] [] pfkey_process+0x68b/0x750 [ 31.330275] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.337085] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.343904] [] pfkey_sendmsg+0x3a9/0x760 [ 31.349583] [] ? pfkey_spdget+0x820/0x820 [ 31.355350] [] sock_sendmsg+0xca/0x110 [ 31.360853] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.366621] [] ? SyS_socket+0x162/0x1b0 [ 31.372212] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.378764] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 31.385577] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.392474] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.399285] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 31.406183] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 31.412994] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 31.419718] [] ? quarantine_put+0xaa/0x180 [ 31.425574] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.432384] [] ? check_preemption_disabled+0x3b/0x200 [ 31.439193] [] ? check_preemption_disabled+0x3b/0x200 [ 31.446002] [] ? sock_destroy_inode+0x56/0x70 [ 31.452115] [] ? sock_destroy_inode+0x56/0x70 [ 31.458230] [] ? __fget_light+0x169/0x1f0 [ 31.463995] [] ? __fdget+0x18/0x20 [ 31.469156] [] ? sockfd_lookup_light+0x118/0x160 [ 31.475532] [] __sys_sendmsg+0xd6/0x190 [ 31.481141] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.486911] [] ? iput+0x2af/0x900 [ 31.491986] [] ? sock_release+0x16d/0x1e0 [ 31.497755] [] ? move_addr_to_kernel+0x50/0x50 [ 31.503964] [] SyS_sendmsg+0x2d/0x50 [ 31.509297] [] ? __sys_sendmsg+0x190/0x190 [ 31.515150] [] do_syscall_64+0x1a4/0x490 [ 31.520832] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.580277] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 31.588983] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.594469] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 31.602156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.611485] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 31.619470] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 31.627441] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 31.635412] Call Trace: [ 31.637971] [] dump_stack+0xc1/0x128 [ 31.643305] [] check_preemption_disabled+0x1d4/0x200 [ 31.650035] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.656503] [] ipcomp_init_state+0x188/0x930 [ 31.662532] [] ? __lock_is_held+0xa1/0xf0 [ 31.668300] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.674345] [] __xfrm_init_state+0x3e7/0xb30 [ 31.680379] [] xfrm_init_state+0x1a/0x20 [ 31.686062] [] pfkey_add+0x1fb9/0x3470 [ 31.691570] [] ? pfkey_delete+0x360/0x360 [ 31.697337] [] ? pfkey_seq_stop+0x80/0x80 [ 31.703107] [] ? __skb_clone+0x24a/0x7d0 [ 31.708787] [] ? pfkey_delete+0x360/0x360 [ 31.714558] [] pfkey_process+0x68b/0x750 [ 31.720244] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.727059] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.733872] [] pfkey_sendmsg+0x3a9/0x760 [ 31.739555] [] ? pfkey_spdget+0x820/0x820 [ 31.745324] [] sock_sendmsg+0xca/0x110 [ 31.750832] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.756603] [] ? SyS_socket+0x162/0x1b0 [ 31.762203] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.768757] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 31.775582] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.782491] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.789302] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 31.796225] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 31.803065] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 31.809825] [] ? quarantine_put+0xaa/0x180 [ 31.815710] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.822554] [] ? check_preemption_disabled+0x3b/0x200 [ 31.829388] [] ? check_preemption_disabled+0x3b/0x200 [ 31.836212] [] ? sock_destroy_inode+0x56/0x70 [ 31.842344] [] ? sock_destroy_inode+0x56/0x70 [ 31.848471] [] ? __fget_light+0x169/0x1f0 [ 31.854271] [] ? __fdget+0x18/0x20 [ 31.859453] [] ? sockfd_lookup_light+0x118/0x160 [ 31.865833] [] __sys_sendmsg+0xd6/0x190 [ 31.871425] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.877192] [] ? iput+0x2af/0x900 [ 31.882881] [] ? sock_release+0x16d/0x1e0 [ 31.888648] [] ? move_addr_to_kernel+0x50/0x50 [ 31.894850] [] SyS_sendmsg+0x2d/0x50 [ 31.900186] [] ? __sys_sendmsg+0x190/0x190 [ 31.906048] [] do_syscall_64+0x1a4/0x490 [ 31.911747] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 31.960218] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 31.968919] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.974415] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 31.982104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.991434] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 31.999428] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 32.007422] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 32.015397] Call Trace: [ 32.017959] [] dump_stack+0xc1/0x128 [ 32.023296] [] check_preemption_disabled+0x1d4/0x200 [ 32.030021] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.036494] [] ipcomp_init_state+0x188/0x930 [ 32.042535] [] ? __lock_is_held+0xa1/0xf0 [ 32.048303] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.054343] [] __xfrm_init_state+0x3e7/0xb30 [ 32.060375] [] xfrm_init_state+0x1a/0x20 [ 32.066053] [] pfkey_add+0x1fb9/0x3470 [ 32.071562] [] ? pfkey_delete+0x360/0x360 [ 32.077330] [] ? pfkey_seq_stop+0x80/0x80 [ 32.083094] [] ? __skb_clone+0x24a/0x7d0 [ 32.088773] [] ? pfkey_delete+0x360/0x360 [ 32.094539] [] pfkey_process+0x68b/0x750 [ 32.100221] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.107042] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.113867] [] pfkey_sendmsg+0x3a9/0x760 [ 32.119549] [] ? pfkey_spdget+0x820/0x820 [ 32.125320] [] sock_sendmsg+0xca/0x110 [ 32.130833] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.136601] [] ? SyS_socket+0x162/0x1b0 [ 32.142200] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.148752] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.155565] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.162466] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.169277] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.176192] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.183002] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.189728] [] ? quarantine_put+0xaa/0x180 [ 32.195583] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.202398] [] ? check_preemption_disabled+0x3b/0x200 [ 32.209824] [] ? check_preemption_disabled+0x3b/0x200 [ 32.216642] [] ? sock_destroy_inode+0x56/0x70 [ 32.222760] [] ? sock_destroy_inode+0x56/0x70 [ 32.228876] [] ? __fget_light+0x169/0x1f0 [ 32.234645] [] ? __fdget+0x18/0x20 [ 32.239807] [] ? sockfd_lookup_light+0x118/0x160 [ 32.246185] [] __sys_sendmsg+0xd6/0x190 [ 32.251778] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 32.257544] [] ? iput+0x2af/0x900 [ 32.262621] [] ? sock_release+0x16d/0x1e0 [ 32.268388] [] ? move_addr_to_kernel+0x50/0x50 [ 32.274590] [] SyS_sendmsg+0x2d/0x50 [ 32.279925] [] ? __sys_sendmsg+0x190/0x190 [ 32.285780] [] do_syscall_64+0x1a4/0x490 [ 32.291475] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.330299] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 32.339099] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.344587] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 32.352274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.361615] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 32.369587] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 32.377558] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 32.385529] Call Trace: [ 32.388089] [] dump_stack+0xc1/0x128 [ 32.393427] [] check_preemption_disabled+0x1d4/0x200 [ 32.400149] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.406618] [] ipcomp_init_state+0x188/0x930 [ 32.412651] [] ? __lock_is_held+0xa1/0xf0 [ 32.418422] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.424457] [] __xfrm_init_state+0x3e7/0xb30 [ 32.430483] [] xfrm_init_state+0x1a/0x20 [ 32.436163] [] pfkey_add+0x1fb9/0x3470 [ 32.441675] [] ? pfkey_delete+0x360/0x360 [ 32.447440] [] ? pfkey_seq_stop+0x80/0x80 [ 32.453207] [] ? __skb_clone+0x24a/0x7d0 [ 32.458888] [] ? pfkey_delete+0x360/0x360 [ 32.464656] [] pfkey_process+0x68b/0x750 [ 32.470343] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.477166] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.483984] [] pfkey_sendmsg+0x3a9/0x760 [ 32.489662] [] ? pfkey_spdget+0x820/0x820 [ 32.495430] [] sock_sendmsg+0xca/0x110 [ 32.500953] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.506722] [] ? SyS_socket+0x162/0x1b0 [ 32.512321] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.518878] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.525693] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.532606] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.539417] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.546314] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.553129] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.559870] [] ? quarantine_put+0xaa/0x180 [ 32.565740] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.572554] [] ? check_preemption_disabled+0x3b/0x200 [ 32.579363] [] ? check_preemption_disabled+0x3b/0x200 [ 32.586206] [] ? sock_destroy_inode+0x56/0x70 [ 32.592326] [] ? sock_destroy_inode+0x56/0x70 [ 32.598446] [] ? __fget_light+0x169/0x1f0 [ 32.604235] [] ? __fdget+0x18/0x20 [ 32.609402] [] ? sockfd_lookup_light+0x118/0x160 [ 32.615794] [] __sys_sendmsg+0xd6/0x190 [ 32.621401] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 32.627172] [] ? iput+0x2af/0x900 [ 32.632250] [] ? sock_release+0x16d/0x1e0 [ 32.638022] [] ? move_addr_to_kernel+0x50/0x50 [ 32.644227] [] SyS_sendmsg+0x2d/0x50 [ 32.649559] [] ? __sys_sendmsg+0x190/0x190 [ 32.655420] [] do_syscall_64+0x1a4/0x490 [ 32.661102] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 32.710202] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller454276/3808 [ 32.718898] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.724398] CPU: 1 PID: 3808 Comm: syzkaller454276 Not tainted 4.9.85-gf673852 #48 [ 32.732083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.741417] ffff8801d823f678 ffffffff81d95739 0000000000000001 ffffffff83c18e00 [ 32.749398] ffffffff83f45c20 ffff8801b47e9800 0000000000000003 ffff8801d823f6b8 [ 32.757388] ffffffff81dfcd34 ffff8801d823f6d0 ffffffff83f45c20 dffffc0000000000 [ 32.765368] Call Trace: [ 32.767931] [] dump_stack+0xc1/0x128 [ 32.773269] [] check_preemption_disabled+0x1d4/0x200 [ 32.779997] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.786492] [] ipcomp_init_state+0x188/0x930 [ 32.792538] [] ? __lock_is_held+0xa1/0xf0 [ 32.798309] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.804340] [] __xfrm_init_state+0x3e7/0xb30 [ 32.810367] [] xfrm_init_state+0x1a/0x20 [ 32.816051] [] pfkey_add+0x1fb9/0x3470 [ 32.821562] [] ? pfkey_delete+0x360/0x360 [ 32.827330] [] ? pfkey_seq_stop+0x80/0x80 [ 32.833100] [] ? __skb_clone+0x24a/0x7d0 [ 32.838783] [] ? pfkey_delete+0x360/0x360 [ 32.844553] [] pfkey_process+0x68b/0x750 [ 32.850245] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.857067] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.863876] [] pfkey_sendmsg+0x3a9/0x760 [ 32.869556] [] ? pfkey_spdget+0x820/0x820 [ 32.875326] [] sock_sendmsg+0xca/0x110 [ 32.880833] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.886601] [] ? SyS_socket+0x162/0x1b0 [ 32.892196] [] ? copy_msghdr_from_user+0x570/0x570 [ 32.898753] [] ? debug_check_no_obj_freed+0x154/0xa10 [ 32.905572] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 32.912476] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.919299] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 32.926209] [] ? debug_check_no_obj_freed+0x2c2/0xa10 [ 32.933036] [] ? debug_object_deactivate+0x3c0/0x3c0 [ 32.939777] [] ? quarantine_put+0xaa/0x180 [ 32.945636] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.952449] [] ? check_preemption_disabled+0x3b/0x200 [ 32.959260] [] ? check_preemption_disabled+0x3b/0x200 [ 32.966078] [] ? sock_destroy_inode+0x56/0x70 [ 32.972196] [] ? sock_destroy_inode+0x56/0x70 [ 32.978320] [] ? __fget_light+0x169/0x1f0 [ 32.984096] [] ? __fdget+0x18/0x20 [ 32.989264] [] ? sockfd_lookup_light+0x118/0x160 [ 32.995644] [] __sys_sendmsg+0xd6/0x190 [ 33.001242] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program [ 33.007015] [] ? iput+0x2af/0x900 [ 33.012091] [] ? sock_release+0x16d/0x1e0 [ 33.017858] [] ? move_addr_to_kernel+0x50/0x50 [ 33.024068] [] SyS_sendmsg+0x2d/0x50 [ 33.029404] [] ? __sys_sendmsg+0x190/0x190 [ 33.035264] [] do_syscall_64+0x1a4/0x490 [ 33.040947] [] 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