[....] Starting enhanced syslogd: rsyslogd[ 12.543861] audit: type=1400 audit(1520239438.084:4): avc: denied { syslog } for pid=3651 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[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 23.723014] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 23.731972] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.737431] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 23.745110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.754445] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 23.762439] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 23.770422] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 23.778508] Call Trace: [ 23.781072] [] dump_stack+0xc1/0x128 [ 23.786411] [] check_preemption_disabled+0x1d4/0x200 [ 23.793136] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.799603] [] ipcomp_init_state+0x188/0x930 [ 23.805642] [] ? __lock_is_held+0xa1/0xf0 [ 23.811420] [] ipcomp4_init_state+0xb0/0x7d0 [ 23.817450] [] __xfrm_init_state+0x3e7/0xb30 [ 23.823479] [] xfrm_init_state+0x1a/0x20 [ 23.829168] [] pfkey_add+0x1fb9/0x3470 [ 23.834692] [] ? pfkey_delete+0x360/0x360 [ 23.840467] [] ? pfkey_seq_stop+0x80/0x80 [ 23.846239] [] ? __skb_clone+0x24a/0x7d0 [ 23.851933] [] ? pfkey_delete+0x360/0x360 [ 23.857709] [] pfkey_process+0x68b/0x750 [ 23.863391] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 23.870206] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.877028] [] pfkey_sendmsg+0x3a9/0x760 [ 23.882712] [] ? pfkey_spdget+0x820/0x820 [ 23.888482] [] sock_sendmsg+0xca/0x110 [ 23.893992] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.899763] [] ? copy_msghdr_from_user+0x570/0x570 [ 23.906314] [] ? check_preemption_disabled+0x3b/0x200 [ 23.913124] [] ? check_preemption_disabled+0x3b/0x200 [ 23.919935] [] ? debug_mutex_init+0x1c/0x60 [ 23.925878] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.932710] [] ? __lock_is_held+0xa1/0xf0 [ 23.938481] [] ? check_preemption_disabled+0x3b/0x200 [ 23.945295] [] ? __fd_install+0x223/0x5f0 [ 23.951061] [] ? __fget_light+0x169/0x1f0 [ 23.956834] [] ? __fdget+0x18/0x20 [ 23.961997] [] ? sockfd_lookup_light+0x118/0x160 [ 23.968384] [] __sys_sendmsg+0xd6/0x190 executing program [ 23.973983] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.979752] [] ? fd_install+0x4d/0x60 [ 23.985182] [] ? move_addr_to_kernel+0x50/0x50 [ 23.991384] [] SyS_sendmsg+0x2d/0x50 [ 23.996719] [] ? __sys_sendmsg+0x190/0x190 [ 24.002585] [] do_syscall_64+0x1a4/0x490 [ 24.008266] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.015912] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 24.024693] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.030154] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 24.037847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.047179] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 24.055168] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 24.063143] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 24.071355] Call Trace: [ 24.073920] [] dump_stack+0xc1/0x128 [ 24.079291] [] check_preemption_disabled+0x1d4/0x200 [ 24.086022] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.092489] [] ipcomp_init_state+0x188/0x930 [ 24.098527] [] ? __lock_is_held+0xa1/0xf0 [ 24.104297] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.110324] [] __xfrm_init_state+0x3e7/0xb30 [ 24.116354] [] xfrm_init_state+0x1a/0x20 [ 24.122036] [] pfkey_add+0x1fb9/0x3470 [ 24.127545] [] ? pfkey_delete+0x360/0x360 [ 24.133318] [] ? pfkey_seq_stop+0x80/0x80 [ 24.139088] [] ? __skb_clone+0x24a/0x7d0 [ 24.144777] [] ? pfkey_delete+0x360/0x360 [ 24.150548] [] pfkey_process+0x68b/0x750 [ 24.156229] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.163043] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.169852] [] pfkey_sendmsg+0x3a9/0x760 [ 24.175534] [] ? pfkey_spdget+0x820/0x820 [ 24.181314] [] sock_sendmsg+0xca/0x110 [ 24.186822] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.192593] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.199145] [] ? check_preemption_disabled+0x3b/0x200 [ 24.205957] [] ? check_preemption_disabled+0x3b/0x200 [ 24.212769] [] ? debug_mutex_init+0x1c/0x60 [ 24.218713] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.225525] [] ? __lock_is_held+0xa1/0xf0 [ 24.231387] [] ? check_preemption_disabled+0x3b/0x200 [ 24.238207] [] ? __fd_install+0x223/0x5f0 [ 24.243979] [] ? __fget_light+0x169/0x1f0 [ 24.249747] [] ? __fdget+0x18/0x20 [ 24.254910] [] ? sockfd_lookup_light+0x118/0x160 [ 24.261293] [] __sys_sendmsg+0xd6/0x190 [ 24.266889] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 24.272661] [] ? fd_install+0x4d/0x60 [ 24.278087] [] ? move_addr_to_kernel+0x50/0x50 [ 24.284295] [] SyS_sendmsg+0x2d/0x50 [ 24.289632] [] ? __sys_sendmsg+0x190/0x190 [ 24.295491] [] do_syscall_64+0x1a4/0x490 [ 24.301180] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.308545] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 24.317305] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.322733] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 24.330407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.339740] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 24.347717] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 24.355699] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 24.363677] Call Trace: [ 24.366240] [] dump_stack+0xc1/0x128 [ 24.371590] [] check_preemption_disabled+0x1d4/0x200 [ 24.378314] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.384780] [] ipcomp_init_state+0x188/0x930 [ 24.390808] [] ? __lock_is_held+0xa1/0xf0 [ 24.396573] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.402604] [] __xfrm_init_state+0x3e7/0xb30 [ 24.408631] [] xfrm_init_state+0x1a/0x20 [ 24.414314] [] pfkey_add+0x1fb9/0x3470 [ 24.419821] [] ? pfkey_delete+0x360/0x360 [ 24.425586] [] ? pfkey_seq_stop+0x80/0x80 [ 24.431357] [] ? __skb_clone+0x24a/0x7d0 [ 24.437041] [] ? pfkey_delete+0x360/0x360 [ 24.442811] [] pfkey_process+0x68b/0x750 [ 24.448504] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.455316] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.462126] [] pfkey_sendmsg+0x3a9/0x760 [ 24.467811] [] ? pfkey_spdget+0x820/0x820 [ 24.473581] [] sock_sendmsg+0xca/0x110 [ 24.479085] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.484852] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.491414] [] ? check_preemption_disabled+0x3b/0x200 [ 24.498225] [] ? check_preemption_disabled+0x3b/0x200 [ 24.505035] [] ? debug_mutex_init+0x1c/0x60 [ 24.510977] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.517787] [] ? __lock_is_held+0xa1/0xf0 [ 24.523556] [] ? check_preemption_disabled+0x3b/0x200 [ 24.530367] [] ? __fd_install+0x223/0x5f0 [ 24.536136] [] ? __fget_light+0x169/0x1f0 [ 24.541906] [] ? __fdget+0x18/0x20 [ 24.547071] [] ? sockfd_lookup_light+0x118/0x160 [ 24.553451] [] __sys_sendmsg+0xd6/0x190 [ 24.559043] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.564819] [] ? fd_install+0x4d/0x60 [ 24.570241] [] ? move_addr_to_kernel+0x50/0x50 executing program [ 24.576445] [] SyS_sendmsg+0x2d/0x50 [ 24.581778] [] ? __sys_sendmsg+0x190/0x190 [ 24.587632] [] do_syscall_64+0x1a4/0x490 [ 24.593319] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.600810] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 24.609553] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.615194] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 24.622887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.632221] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 24.640207] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 24.648196] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 24.656181] Call Trace: [ 24.658742] [] dump_stack+0xc1/0x128 [ 24.664078] [] check_preemption_disabled+0x1d4/0x200 [ 24.670803] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.677269] [] ipcomp_init_state+0x188/0x930 [ 24.683300] [] ? __lock_is_held+0xa1/0xf0 [ 24.689068] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.695108] [] __xfrm_init_state+0x3e7/0xb30 [ 24.701137] [] xfrm_init_state+0x1a/0x20 [ 24.706818] [] pfkey_add+0x1fb9/0x3470 [ 24.712337] [] ? pfkey_delete+0x360/0x360 [ 24.718106] [] ? pfkey_seq_stop+0x80/0x80 [ 24.723876] [] ? __skb_clone+0x24a/0x7d0 [ 24.729557] [] ? pfkey_delete+0x360/0x360 [ 24.735329] [] pfkey_process+0x68b/0x750 [ 24.741014] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.747833] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.754644] [] pfkey_sendmsg+0x3a9/0x760 [ 24.760325] [] ? pfkey_spdget+0x820/0x820 [ 24.766090] [] sock_sendmsg+0xca/0x110 [ 24.771598] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.777366] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.784698] [] ? check_preemption_disabled+0x3b/0x200 [ 24.791508] [] ? check_preemption_disabled+0x3b/0x200 [ 24.798327] [] ? debug_mutex_init+0x1c/0x60 [ 24.804266] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.811077] [] ? __lock_is_held+0xa1/0xf0 [ 24.816843] [] ? check_preemption_disabled+0x3b/0x200 [ 24.823655] [] ? __fd_install+0x223/0x5f0 [ 24.829513] [] ? __fget_light+0x169/0x1f0 [ 24.835280] [] ? __fdget+0x18/0x20 [ 24.840442] [] ? sockfd_lookup_light+0x118/0x160 [ 24.846817] [] __sys_sendmsg+0xd6/0x190 [ 24.852411] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.858177] [] ? fd_install+0x4d/0x60 [ 24.863601] [] ? move_addr_to_kernel+0x50/0x50 [ 24.869814] [] SyS_sendmsg+0x2d/0x50 executing program [ 24.875147] [] ? __sys_sendmsg+0x190/0x190 [ 24.881000] [] do_syscall_64+0x1a4/0x490 [ 24.886687] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 24.899669] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 24.908432] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.913860] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 24.921537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.930864] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 24.938854] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 24.946836] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 24.954809] Call Trace: [ 24.957372] [] dump_stack+0xc1/0x128 [ 24.962709] [] check_preemption_disabled+0x1d4/0x200 [ 24.969430] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.975895] [] ipcomp_init_state+0x188/0x930 [ 24.981928] [] ? __lock_is_held+0xa1/0xf0 [ 24.987696] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.993726] [] __xfrm_init_state+0x3e7/0xb30 [ 24.999758] [] xfrm_init_state+0x1a/0x20 [ 25.005443] [] pfkey_add+0x1fb9/0x3470 [ 25.010949] [] ? pfkey_delete+0x360/0x360 [ 25.016719] [] ? pfkey_seq_stop+0x80/0x80 [ 25.022486] [] ? __skb_clone+0x24a/0x7d0 [ 25.028165] [] ? pfkey_delete+0x360/0x360 [ 25.033933] [] pfkey_process+0x68b/0x750 [ 25.039618] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.046433] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.053241] [] pfkey_sendmsg+0x3a9/0x760 [ 25.058921] [] ? pfkey_spdget+0x820/0x820 [ 25.064688] [] sock_sendmsg+0xca/0x110 [ 25.070194] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.075960] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.082514] [] ? check_preemption_disabled+0x3b/0x200 [ 25.089323] [] ? check_preemption_disabled+0x3b/0x200 [ 25.096148] [] ? debug_mutex_init+0x1c/0x60 [ 25.102180] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.108988] [] ? __lock_is_held+0xa1/0xf0 [ 25.114755] [] ? check_preemption_disabled+0x3b/0x200 [ 25.121568] [] ? __fd_install+0x223/0x5f0 [ 25.127338] [] ? __fget_light+0x169/0x1f0 [ 25.133112] [] ? __fdget+0x18/0x20 [ 25.138276] [] ? sockfd_lookup_light+0x118/0x160 [ 25.144660] [] __sys_sendmsg+0xd6/0x190 [ 25.150429] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.156209] [] ? fd_install+0x4d/0x60 [ 25.161630] [] ? move_addr_to_kernel+0x50/0x50 [ 25.167830] [] SyS_sendmsg+0x2d/0x50 [ 25.173164] [] ? __sys_sendmsg+0x190/0x190 executing program [ 25.179018] [] do_syscall_64+0x1a4/0x490 [ 25.184700] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.192188] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 25.200872] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.206300] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 25.213976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.223314] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 25.231289] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 25.239272] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 25.247255] Call Trace: [ 25.249819] [] dump_stack+0xc1/0x128 [ 25.255157] [] check_preemption_disabled+0x1d4/0x200 [ 25.261879] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.268345] [] ipcomp_init_state+0x188/0x930 [ 25.274374] [] ? __lock_is_held+0xa1/0xf0 [ 25.280142] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.286171] [] __xfrm_init_state+0x3e7/0xb30 [ 25.292201] [] xfrm_init_state+0x1a/0x20 [ 25.297881] [] pfkey_add+0x1fb9/0x3470 [ 25.303386] [] ? pfkey_delete+0x360/0x360 [ 25.309151] [] ? pfkey_seq_stop+0x80/0x80 [ 25.314920] [] ? __skb_clone+0x24a/0x7d0 [ 25.320618] [] ? pfkey_delete+0x360/0x360 [ 25.326387] [] pfkey_process+0x68b/0x750 [ 25.332069] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.338885] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.345792] [] pfkey_sendmsg+0x3a9/0x760 [ 25.351477] [] ? pfkey_spdget+0x820/0x820 [ 25.357267] [] sock_sendmsg+0xca/0x110 [ 25.362778] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.368544] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.375099] [] ? check_preemption_disabled+0x3b/0x200 [ 25.381909] [] ? check_preemption_disabled+0x3b/0x200 [ 25.388718] [] ? debug_mutex_init+0x1c/0x60 [ 25.394660] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.401481] [] ? __lock_is_held+0xa1/0xf0 [ 25.407247] [] ? check_preemption_disabled+0x3b/0x200 [ 25.414055] [] ? __fd_install+0x223/0x5f0 [ 25.419820] [] ? __fget_light+0x169/0x1f0 [ 25.425590] [] ? __fdget+0x18/0x20 [ 25.430751] [] ? sockfd_lookup_light+0x118/0x160 [ 25.437128] [] __sys_sendmsg+0xd6/0x190 [ 25.442723] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.448491] [] ? fd_install+0x4d/0x60 [ 25.453913] [] ? move_addr_to_kernel+0x50/0x50 [ 25.460116] [] SyS_sendmsg+0x2d/0x50 [ 25.465451] [] ? __sys_sendmsg+0x190/0x190 [ 25.471310] [] do_syscall_64+0x1a4/0x490 executing program [ 25.477001] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.484985] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 25.493690] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.499148] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 25.506829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.516171] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 25.524156] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 25.532141] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 25.540136] Call Trace: [ 25.542707] [] dump_stack+0xc1/0x128 [ 25.548044] [] check_preemption_disabled+0x1d4/0x200 [ 25.554769] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.561233] [] ipcomp_init_state+0x188/0x930 [ 25.567271] [] ? __lock_is_held+0xa1/0xf0 [ 25.573041] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.579070] [] __xfrm_init_state+0x3e7/0xb30 [ 25.585100] [] xfrm_init_state+0x1a/0x20 [ 25.590791] [] pfkey_add+0x1fb9/0x3470 [ 25.596299] [] ? pfkey_delete+0x360/0x360 [ 25.602069] [] ? pfkey_seq_stop+0x80/0x80 [ 25.607840] [] ? __skb_clone+0x24a/0x7d0 [ 25.613524] [] ? pfkey_delete+0x360/0x360 [ 25.619303] [] pfkey_process+0x68b/0x750 [ 25.624989] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.631801] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.638614] [] pfkey_sendmsg+0x3a9/0x760 [ 25.644315] [] ? pfkey_spdget+0x820/0x820 [ 25.650097] [] sock_sendmsg+0xca/0x110 [ 25.655606] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.661377] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.667930] [] ? check_preemption_disabled+0x3b/0x200 [ 25.674746] [] ? check_preemption_disabled+0x3b/0x200 [ 25.681560] [] ? debug_mutex_init+0x1c/0x60 [ 25.687518] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.694332] [] ? __lock_is_held+0xa1/0xf0 [ 25.700105] [] ? check_preemption_disabled+0x3b/0x200 [ 25.706923] [] ? __fd_install+0x223/0x5f0 [ 25.712695] [] ? __fget_light+0x169/0x1f0 [ 25.718462] [] ? __fdget+0x18/0x20 [ 25.723625] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 25.730002] [] __sys_sendmsg+0xd6/0x190 [ 25.735600] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.741378] [] ? fd_install+0x4d/0x60 [ 25.746802] [] ? move_addr_to_kernel+0x50/0x50 [ 25.753010] [] SyS_sendmsg+0x2d/0x50 [ 25.758347] [] ? __sys_sendmsg+0x190/0x190 [ 25.764202] [] do_syscall_64+0x1a4/0x490 [ 25.770058] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 25.777792] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 25.786458] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.791928] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 25.799613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.808940] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 25.816912] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 25.824884] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 25.832854] Call Trace: [ 25.835418] [] dump_stack+0xc1/0x128 [ 25.840754] [] check_preemption_disabled+0x1d4/0x200 [ 25.847478] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.853942] [] ipcomp_init_state+0x188/0x930 [ 25.859972] [] ? __lock_is_held+0xa1/0xf0 [ 25.865744] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.871772] [] __xfrm_init_state+0x3e7/0xb30 [ 25.877799] [] xfrm_init_state+0x1a/0x20 [ 25.883478] [] pfkey_add+0x1fb9/0x3470 [ 25.888986] [] ? pfkey_delete+0x360/0x360 [ 25.894754] [] ? pfkey_seq_stop+0x80/0x80 [ 25.900524] [] ? __skb_clone+0x24a/0x7d0 [ 25.906204] [] ? pfkey_delete+0x360/0x360 [ 25.911970] [] pfkey_process+0x68b/0x750 [ 25.917650] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.924460] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.931269] [] pfkey_sendmsg+0x3a9/0x760 [ 25.936951] [] ? pfkey_spdget+0x820/0x820 [ 25.942722] [] sock_sendmsg+0xca/0x110 [ 25.948232] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.953999] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.960550] [] ? check_preemption_disabled+0x3b/0x200 [ 25.967357] [] ? check_preemption_disabled+0x3b/0x200 [ 25.974169] [] ? debug_mutex_init+0x1c/0x60 [ 25.980118] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.986929] [] ? __lock_is_held+0xa1/0xf0 [ 25.992698] [] ? check_preemption_disabled+0x3b/0x200 [ 25.999508] [] ? __fd_install+0x223/0x5f0 [ 26.005274] [] ? __fget_light+0x169/0x1f0 [ 26.011041] [] ? __fdget+0x18/0x20 [ 26.016227] [] ? sockfd_lookup_light+0x118/0x160 [ 26.022618] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.028217] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.033986] [] ? fd_install+0x4d/0x60 [ 26.039412] [] ? move_addr_to_kernel+0x50/0x50 [ 26.045616] [] SyS_sendmsg+0x2d/0x50 [ 26.050954] [] ? __sys_sendmsg+0x190/0x190 [ 26.056809] [] do_syscall_64+0x1a4/0x490 [ 26.062491] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.070222] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 26.078909] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.084942] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 26.092618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.101945] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 26.109928] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 26.117904] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 26.125880] Call Trace: [ 26.128450] [] dump_stack+0xc1/0x128 [ 26.133785] [] check_preemption_disabled+0x1d4/0x200 [ 26.140508] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.146981] [] ipcomp_init_state+0x188/0x930 [ 26.153011] [] ? __lock_is_held+0xa1/0xf0 [ 26.158779] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.164807] [] __xfrm_init_state+0x3e7/0xb30 [ 26.170830] [] xfrm_init_state+0x1a/0x20 [ 26.176509] [] pfkey_add+0x1fb9/0x3470 [ 26.182019] [] ? pfkey_delete+0x360/0x360 [ 26.187785] [] ? pfkey_seq_stop+0x80/0x80 [ 26.193552] [] ? __skb_clone+0x24a/0x7d0 [ 26.199235] [] ? pfkey_delete+0x360/0x360 [ 26.204999] [] pfkey_process+0x68b/0x750 [ 26.210677] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.217496] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.224306] [] pfkey_sendmsg+0x3a9/0x760 [ 26.229985] [] ? pfkey_spdget+0x820/0x820 [ 26.235765] [] sock_sendmsg+0xca/0x110 [ 26.241272] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.247040] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.253588] [] ? check_preemption_disabled+0x3b/0x200 [ 26.260396] [] ? check_preemption_disabled+0x3b/0x200 [ 26.267206] [] ? debug_mutex_init+0x1c/0x60 [ 26.273149] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.279957] [] ? __lock_is_held+0xa1/0xf0 [ 26.285727] [] ? check_preemption_disabled+0x3b/0x200 [ 26.292541] [] ? __fd_install+0x223/0x5f0 [ 26.298310] [] ? __fget_light+0x169/0x1f0 [ 26.304076] [] ? __fdget+0x18/0x20 [ 26.309237] [] ? sockfd_lookup_light+0x118/0x160 [ 26.315611] [] __sys_sendmsg+0xd6/0x190 [ 26.321205] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.326972] [] ? fd_install+0x4d/0x60 executing program [ 26.332393] [] ? move_addr_to_kernel+0x50/0x50 [ 26.338594] [] SyS_sendmsg+0x2d/0x50 [ 26.343928] [] ? __sys_sendmsg+0x190/0x190 [ 26.349782] [] do_syscall_64+0x1a4/0x490 [ 26.355468] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 26.363210] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 26.371900] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.377349] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 26.385034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.394363] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 26.402364] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 26.410348] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 26.418331] Call Trace: [ 26.420890] [] dump_stack+0xc1/0x128 [ 26.426226] [] check_preemption_disabled+0x1d4/0x200 [ 26.432948] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.439591] [] ipcomp_init_state+0x188/0x930 [ 26.445622] [] ? __lock_is_held+0xa1/0xf0 [ 26.451392] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.457422] [] __xfrm_init_state+0x3e7/0xb30 [ 26.463449] [] xfrm_init_state+0x1a/0x20 [ 26.469131] [] pfkey_add+0x1fb9/0x3470 [ 26.474636] [] ? pfkey_delete+0x360/0x360 [ 26.480404] [] ? pfkey_seq_stop+0x80/0x80 [ 26.486173] [] ? __skb_clone+0x24a/0x7d0 [ 26.491861] [] ? pfkey_delete+0x360/0x360 [ 26.497630] [] pfkey_process+0x68b/0x750 [ 26.503310] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.510123] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.516944] [] pfkey_sendmsg+0x3a9/0x760 [ 26.522626] [] ? pfkey_spdget+0x820/0x820 [ 26.528397] [] sock_sendmsg+0xca/0x110 [ 26.533914] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.539682] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.546238] [] ? check_preemption_disabled+0x3b/0x200 [ 26.553060] [] ? check_preemption_disabled+0x3b/0x200 [ 26.559882] [] ? debug_mutex_init+0x1c/0x60 [ 26.565827] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.572638] [] ? __lock_is_held+0xa1/0xf0 [ 26.578407] [] ? check_preemption_disabled+0x3b/0x200 [ 26.585217] [] ? __fd_install+0x223/0x5f0 [ 26.590985] [] ? __fget_light+0x169/0x1f0 [ 26.596751] [] ? __fdget+0x18/0x20 [ 26.601912] [] ? sockfd_lookup_light+0x118/0x160 [ 26.608288] [] __sys_sendmsg+0xd6/0x190 [ 26.613879] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.619644] [] ? fd_install+0x4d/0x60 [ 26.625065] [] ? move_addr_to_kernel+0x50/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.631268] [] SyS_sendmsg+0x2d/0x50 [ 26.636605] [] ? __sys_sendmsg+0x190/0x190 [ 26.642461] [] do_syscall_64+0x1a4/0x490 [ 26.648147] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.747461] check_preemption_disabled: 1041 callbacks suppressed [ 28.747469] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller543013/3807 [ 28.762307] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.767767] CPU: 1 PID: 3807 Comm: syzkaller543013 Not tainted 4.9.86-gb324a70 #50 [ 28.775454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.784785] ffff8801d877f678 ffffffff81d956f9 0000000000000001 ffffffff83c19000 [ 28.792770] ffffffff83f45e20 ffff8801b49b9800 0000000000000003 ffff8801d877f6b8 [ 28.800745] ffffffff81dfccf4 ffff8801d877f6d0 ffffffff83f45e20 dffffc0000000000 [ 28.808712] Call Trace: [ 28.811272] [] dump_stack+0xc1/0x128 [ 28.816606] [] check_preemption_disabled+0x1d4/0x200 [ 28.823330] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.829794] [] ipcomp_init_state+0x188/0x930 [ 28.835826] [] ? __lock_is_held+0xa1/0xf0 [ 28.841594] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.847620] [] __xfrm_init_state+0x3e7/0xb30 [ 28.853650] [] xfrm_init_state+0x1a/0x20 [ 28.859339] [] pfkey_add+0x1fb9/0x3470 [ 28.864849] [] ? pfkey_delete+0x360/0x360 [ 28.870622] [