[....] Starting enhanced syslogd: rsyslogd[ 12.709627] audit: type=1400 audit(1519193275.345:4): avc: denied { syslog } for pid=3640 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 '10.128.15.208' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 28.814380] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 28.823138] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.828651] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 28.836343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.845679] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 28.853658] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 28.861628] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 28.869593] Call Trace: [ 28.872152] [] dump_stack+0xc1/0x128 [ 28.877486] [] check_preemption_disabled+0x1d4/0x200 [ 28.884213] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.890677] [] ipcomp_init_state+0x188/0x930 [ 28.896791] [] ? __lock_is_held+0xa1/0xf0 [ 28.902559] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.908584] [] __xfrm_init_state+0x3e7/0xb30 [ 28.914608] [] xfrm_init_state+0x1a/0x20 [ 28.920290] [] pfkey_add+0x1fb9/0x3470 [ 28.925804] [] ? pfkey_delete+0x360/0x360 [ 28.931578] [] ? pfkey_seq_stop+0x80/0x80 [ 28.937351] [] ? __skb_clone+0x24a/0x7d0 [ 28.943115] [] ? pfkey_delete+0x360/0x360 [ 28.948883] [] pfkey_process+0x68b/0x750 [ 28.954560] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.961367] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.968176] [] pfkey_sendmsg+0x3a9/0x760 [ 28.973853] [] ? pfkey_spdget+0x820/0x820 [ 28.979619] [] sock_sendmsg+0xca/0x110 [ 28.985121] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.990888] [] ? copy_msghdr_from_user+0x570/0x570 [ 28.997440] [] ? check_preemption_disabled+0x3b/0x200 [ 29.004253] [] ? check_preemption_disabled+0x3b/0x200 [ 29.011061] [] ? debug_mutex_init+0x1c/0x60 [ 29.017002] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.023809] [] ? __lock_is_held+0xa1/0xf0 [ 29.029574] [] ? check_preemption_disabled+0x3b/0x200 [ 29.036381] [] ? __fd_install+0x223/0x5f0 [ 29.042147] [] ? __fget_light+0x169/0x1f0 [ 29.047914] [] ? __fdget+0x18/0x20 [ 29.053075] [] ? sockfd_lookup_light+0x118/0x160 [ 29.059446] [] __sys_sendmsg+0xd6/0x190 executing program [ 29.065045] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.070809] [] ? fd_install+0x4d/0x60 [ 29.076228] [] ? move_addr_to_kernel+0x50/0x50 [ 29.082427] [] SyS_sendmsg+0x2d/0x50 [ 29.087758] [] ? __sys_sendmsg+0x190/0x190 [ 29.093619] [] do_syscall_64+0x1a5/0x490 [ 29.099298] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 29.107724] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 29.116471] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.121892] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 29.129566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.138892] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 29.146857] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 29.154815] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 29.162810] Call Trace: [ 29.165368] [] dump_stack+0xc1/0x128 [ 29.170702] [] check_preemption_disabled+0x1d4/0x200 [ 29.177425] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.183887] [] ipcomp_init_state+0x188/0x930 [ 29.189916] [] ? __lock_is_held+0xa1/0xf0 [ 29.195680] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.201710] [] __xfrm_init_state+0x3e7/0xb30 [ 29.207735] [] xfrm_init_state+0x1a/0x20 [ 29.213412] [] pfkey_add+0x1fb9/0x3470 [ 29.218919] [] ? pfkey_delete+0x360/0x360 [ 29.224691] [] ? pfkey_seq_stop+0x80/0x80 [ 29.230466] [] ? __skb_clone+0x24a/0x7d0 [ 29.236146] [] ? pfkey_delete+0x360/0x360 [ 29.241909] [] pfkey_process+0x68b/0x750 [ 29.247593] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.254402] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.261208] [] pfkey_sendmsg+0x3a9/0x760 [ 29.266889] [] ? pfkey_spdget+0x820/0x820 [ 29.272653] [] sock_sendmsg+0xca/0x110 [ 29.278158] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.283922] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.290471] [] ? check_preemption_disabled+0x3b/0x200 [ 29.297374] [] ? check_preemption_disabled+0x3b/0x200 [ 29.304184] [] ? debug_mutex_init+0x1c/0x60 [ 29.310126] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.316932] [] ? __lock_is_held+0xa1/0xf0 [ 29.322704] [] ? check_preemption_disabled+0x3b/0x200 [ 29.329514] [] ? __fd_install+0x223/0x5f0 [ 29.336023] [] ? __fget_light+0x169/0x1f0 [ 29.341786] [] ? __fdget+0x18/0x20 [ 29.346946] [] ? sockfd_lookup_light+0x118/0x160 [ 29.353318] [] __sys_sendmsg+0xd6/0x190 [ 29.358908] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 29.364673] [] ? fd_install+0x4d/0x60 [ 29.370089] [] ? move_addr_to_kernel+0x50/0x50 [ 29.376290] [] SyS_sendmsg+0x2d/0x50 [ 29.381621] [] ? __sys_sendmsg+0x190/0x190 [ 29.387475] [] do_syscall_64+0x1a5/0x490 [ 29.393154] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 29.401174] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 29.409908] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.415332] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 29.423006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.432330] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 29.440294] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 29.448262] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 29.456226] Call Trace: [ 29.458785] [] dump_stack+0xc1/0x128 [ 29.464118] [] check_preemption_disabled+0x1d4/0x200 [ 29.470839] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.477301] [] ipcomp_init_state+0x188/0x930 [ 29.483328] [] ? __lock_is_held+0xa1/0xf0 [ 29.489099] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.495122] [] __xfrm_init_state+0x3e7/0xb30 [ 29.501146] [] xfrm_init_state+0x1a/0x20 [ 29.506826] [] pfkey_add+0x1fb9/0x3470 [ 29.512328] [] ? pfkey_delete+0x360/0x360 [ 29.518092] [] ? pfkey_seq_stop+0x80/0x80 [ 29.523857] [] ? __skb_clone+0x24a/0x7d0 [ 29.529535] [] ? pfkey_delete+0x360/0x360 [ 29.535307] [] pfkey_process+0x68b/0x750 [ 29.540984] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.547793] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.554598] [] pfkey_sendmsg+0x3a9/0x760 [ 29.560276] [] ? pfkey_spdget+0x820/0x820 [ 29.566040] [] sock_sendmsg+0xca/0x110 [ 29.571545] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.577311] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.583860] [] ? check_preemption_disabled+0x3b/0x200 [ 29.590668] [] ? check_preemption_disabled+0x3b/0x200 [ 29.597479] [] ? debug_mutex_init+0x1c/0x60 [ 29.603416] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.610222] [] ? __lock_is_held+0xa1/0xf0 [ 29.615987] [] ? check_preemption_disabled+0x3b/0x200 [ 29.622794] [] ? __fd_install+0x223/0x5f0 [ 29.628558] [] ? __fget_light+0x169/0x1f0 [ 29.634322] [] ? __fdget+0x18/0x20 [ 29.639479] [] ? sockfd_lookup_light+0x118/0x160 [ 29.645851] [] __sys_sendmsg+0xd6/0x190 [ 29.651440] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.657205] [] ? fd_install+0x4d/0x60 executing program [ 29.662621] [] ? move_addr_to_kernel+0x50/0x50 [ 29.668822] [] SyS_sendmsg+0x2d/0x50 [ 29.674153] [] ? __sys_sendmsg+0x190/0x190 [ 29.680007] [] do_syscall_64+0x1a5/0x490 [ 29.685689] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 29.693476] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 29.702175] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.707626] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 29.715307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.724628] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 29.732598] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 29.740554] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 29.748518] Call Trace: [ 29.751078] [] dump_stack+0xc1/0x128 [ 29.756409] [] check_preemption_disabled+0x1d4/0x200 [ 29.763128] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.769592] [] ipcomp_init_state+0x188/0x930 [ 29.775618] [] ? __lock_is_held+0xa1/0xf0 [ 29.781382] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.787416] [] __xfrm_init_state+0x3e7/0xb30 [ 29.793440] [] xfrm_init_state+0x1a/0x20 [ 29.799119] [] pfkey_add+0x1fb9/0x3470 [ 29.804627] [] ? pfkey_delete+0x360/0x360 [ 29.810398] [] ? pfkey_seq_stop+0x80/0x80 [ 29.816164] [] ? __skb_clone+0x24a/0x7d0 [ 29.821840] [] ? pfkey_delete+0x360/0x360 [ 29.827604] [] pfkey_process+0x68b/0x750 [ 29.833281] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.840089] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.846896] [] pfkey_sendmsg+0x3a9/0x760 [ 29.852571] [] ? pfkey_spdget+0x820/0x820 [ 29.858336] [] sock_sendmsg+0xca/0x110 [ 29.863837] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.869602] [] ? copy_msghdr_from_user+0x570/0x570 [ 29.876148] [] ? check_preemption_disabled+0x3b/0x200 [ 29.882956] [] ? check_preemption_disabled+0x3b/0x200 [ 29.889764] [] ? debug_mutex_init+0x1c/0x60 [ 29.895701] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.902509] [] ? __lock_is_held+0xa1/0xf0 [ 29.908277] [] ? check_preemption_disabled+0x3b/0x200 [ 29.915082] [] ? __fd_install+0x223/0x5f0 [ 29.920844] [] ? __fget_light+0x169/0x1f0 [ 29.926611] [] ? __fdget+0x18/0x20 [ 29.931770] [] ? sockfd_lookup_light+0x118/0x160 [ 29.938151] [] __sys_sendmsg+0xd6/0x190 [ 29.943742] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.949508] [] ? fd_install+0x4d/0x60 [ 29.954926] [] ? move_addr_to_kernel+0x50/0x50 [ 29.961122] [] SyS_sendmsg+0x2d/0x50 executing program [ 29.966451] [] ? __sys_sendmsg+0x190/0x190 [ 29.972303] [] do_syscall_64+0x1a5/0x490 [ 29.977983] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 29.986268] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 29.994984] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.000441] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 30.008122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.017448] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 30.025404] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 30.033740] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 30.041703] Call Trace: [ 30.044262] [] dump_stack+0xc1/0x128 [ 30.049596] [] check_preemption_disabled+0x1d4/0x200 [ 30.056315] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.062776] [] ipcomp_init_state+0x188/0x930 [ 30.068802] [] ? __lock_is_held+0xa1/0xf0 [ 30.074567] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.080591] [] __xfrm_init_state+0x3e7/0xb30 [ 30.086615] [] xfrm_init_state+0x1a/0x20 [ 30.092291] [] pfkey_add+0x1fb9/0x3470 [ 30.097797] [] ? pfkey_delete+0x360/0x360 [ 30.103563] [] ? pfkey_seq_stop+0x80/0x80 [ 30.109335] [] ? __skb_clone+0x24a/0x7d0 [ 30.115014] [] ? pfkey_delete+0x360/0x360 [ 30.120779] [] pfkey_process+0x68b/0x750 [ 30.126456] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.133263] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.140070] [] pfkey_sendmsg+0x3a9/0x760 [ 30.145747] [] ? pfkey_spdget+0x820/0x820 [ 30.151514] [] sock_sendmsg+0xca/0x110 [ 30.157018] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.162781] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.169329] [] ? check_preemption_disabled+0x3b/0x200 [ 30.176136] [] ? check_preemption_disabled+0x3b/0x200 [ 30.182971] [] ? debug_mutex_init+0x1c/0x60 [ 30.188917] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.195724] [] ? __lock_is_held+0xa1/0xf0 [ 30.201493] [] ? check_preemption_disabled+0x3b/0x200 [ 30.208302] [] ? __fd_install+0x223/0x5f0 [ 30.214065] [] ? __fget_light+0x169/0x1f0 [ 30.219828] [] ? __fdget+0x18/0x20 [ 30.224988] [] ? sockfd_lookup_light+0x118/0x160 [ 30.231361] [] __sys_sendmsg+0xd6/0x190 [ 30.236953] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.242731] [] ? fd_install+0x4d/0x60 [ 30.248148] [] ? move_addr_to_kernel+0x50/0x50 [ 30.254350] [] SyS_sendmsg+0x2d/0x50 [ 30.259682] [] ? __sys_sendmsg+0x190/0x190 executing program [ 30.265536] [] do_syscall_64+0x1a5/0x490 [ 30.271227] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 30.280504] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 30.289217] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.294641] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 30.302315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.311640] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 30.319611] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 30.327579] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 30.335548] Call Trace: [ 30.338109] [] dump_stack+0xc1/0x128 [ 30.343443] [] check_preemption_disabled+0x1d4/0x200 [ 30.350165] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.356628] [] ipcomp_init_state+0x188/0x930 [ 30.362657] [] ? __lock_is_held+0xa1/0xf0 [ 30.368424] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.374450] [] __xfrm_init_state+0x3e7/0xb30 [ 30.380476] [] xfrm_init_state+0x1a/0x20 [ 30.386156] [] pfkey_add+0x1fb9/0x3470 [ 30.391662] [] ? pfkey_delete+0x360/0x360 [ 30.397429] [] ? pfkey_seq_stop+0x80/0x80 [ 30.403199] [] ? __skb_clone+0x24a/0x7d0 [ 30.408877] [] ? pfkey_delete+0x360/0x360 [ 30.414645] [] pfkey_process+0x68b/0x750 [ 30.420325] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.427137] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.433954] [] pfkey_sendmsg+0x3a9/0x760 [ 30.439637] [] ? pfkey_spdget+0x820/0x820 [ 30.445405] [] sock_sendmsg+0xca/0x110 [ 30.450910] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.456676] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.463229] [] ? check_preemption_disabled+0x3b/0x200 [ 30.470040] [] ? check_preemption_disabled+0x3b/0x200 [ 30.476849] [] ? debug_mutex_init+0x1c/0x60 [ 30.482790] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.489598] [] ? __lock_is_held+0xa1/0xf0 [ 30.495367] [] ? check_preemption_disabled+0x3b/0x200 [ 30.502183] [] ? __fd_install+0x223/0x5f0 [ 30.507957] [] ? __fget_light+0x169/0x1f0 [ 30.513721] [] ? __fdget+0x18/0x20 executing program [ 30.518881] [] ? sockfd_lookup_light+0x118/0x160 [ 30.525255] [] __sys_sendmsg+0xd6/0x190 [ 30.530850] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.536617] [] ? fd_install+0x4d/0x60 [ 30.542047] [] ? move_addr_to_kernel+0x50/0x50 [ 30.548247] [] SyS_sendmsg+0x2d/0x50 [ 30.553578] [] ? __sys_sendmsg+0x190/0x190 [ 30.559433] [] do_syscall_64+0x1a5/0x490 [ 30.565116] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 30.573047] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 30.581748] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.587219] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 30.594898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.604233] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 30.612201] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 30.620169] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 30.628135] Call Trace: [ 30.630697] [] dump_stack+0xc1/0x128 [ 30.636030] [] check_preemption_disabled+0x1d4/0x200 [ 30.642751] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.649224] [] ipcomp_init_state+0x188/0x930 [ 30.655257] [] ? __lock_is_held+0xa1/0xf0 [ 30.661033] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.667066] [] __xfrm_init_state+0x3e7/0xb30 [ 30.673097] [] xfrm_init_state+0x1a/0x20 [ 30.678798] [] pfkey_add+0x1fb9/0x3470 [ 30.684305] [] ? pfkey_delete+0x360/0x360 [ 30.690072] [] ? pfkey_seq_stop+0x80/0x80 [ 30.695839] [] ? __skb_clone+0x24a/0x7d0 [ 30.701518] [] ? pfkey_delete+0x360/0x360 [ 30.707283] [] pfkey_process+0x68b/0x750 [ 30.712966] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.719779] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.726604] [] pfkey_sendmsg+0x3a9/0x760 [ 30.732306] [] ? pfkey_spdget+0x820/0x820 [ 30.738078] [] sock_sendmsg+0xca/0x110 [ 30.743585] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.749350] [] ? copy_msghdr_from_user+0x570/0x570 [ 30.755903] [] ? check_preemption_disabled+0x3b/0x200 [ 30.762715] [] ? check_preemption_disabled+0x3b/0x200 [ 30.769523] [] ? debug_mutex_init+0x1c/0x60 [ 30.775462] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.782268] [] ? __lock_is_held+0xa1/0xf0 [ 30.788036] [] ? check_preemption_disabled+0x3b/0x200 [ 30.794846] [] ? __fd_install+0x223/0x5f0 [ 30.800611] [] ? __fget_light+0x169/0x1f0 [ 30.806374] [] ? __fdget+0x18/0x20 [ 30.811545] [] ? sockfd_lookup_light+0x118/0x160 [ 30.817926] [] __sys_sendmsg+0xd6/0x190 executing program [ 30.823517] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.829282] [] ? fd_install+0x4d/0x60 [ 30.834702] [] ? move_addr_to_kernel+0x50/0x50 [ 30.840901] [] SyS_sendmsg+0x2d/0x50 [ 30.846233] [] ? __sys_sendmsg+0x190/0x190 [ 30.852087] [] do_syscall_64+0x1a5/0x490 [ 30.857770] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 30.865755] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 30.874447] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.879912] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 30.887590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.896918] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 30.904891] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 30.912877] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 30.920855] Call Trace: [ 30.923417] [] dump_stack+0xc1/0x128 [ 30.928752] [] check_preemption_disabled+0x1d4/0x200 [ 30.935472] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.941936] [] ipcomp_init_state+0x188/0x930 [ 30.947963] [] ? __lock_is_held+0xa1/0xf0 [ 30.953729] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.959756] [] __xfrm_init_state+0x3e7/0xb30 [ 30.965781] [] xfrm_init_state+0x1a/0x20 [ 30.971464] [] pfkey_add+0x1fb9/0x3470 [ 30.976968] [] ? pfkey_delete+0x360/0x360 [ 30.982736] [] ? pfkey_seq_stop+0x80/0x80 [ 30.988503] [] ? __skb_clone+0x24a/0x7d0 [ 30.994183] [] ? pfkey_delete+0x360/0x360 [ 30.999948] [] pfkey_process+0x68b/0x750 [ 31.005638] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.012450] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.019259] [] pfkey_sendmsg+0x3a9/0x760 [ 31.024938] [] ? pfkey_spdget+0x820/0x820 [ 31.030715] [] sock_sendmsg+0xca/0x110 [ 31.036219] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.041984] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.048728] [] ? check_preemption_disabled+0x3b/0x200 [ 31.055539] [] ? check_preemption_disabled+0x3b/0x200 [ 31.062348] [] ? debug_mutex_init+0x1c/0x60 [ 31.068285] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.075094] [] ? __lock_is_held+0xa1/0xf0 [ 31.080862] [] ? check_preemption_disabled+0x3b/0x200 [ 31.087672] [] ? __fd_install+0x223/0x5f0 [ 31.093435] [] ? __fget_light+0x169/0x1f0 [ 31.099204] [] ? __fdget+0x18/0x20 [ 31.104365] [] ? sockfd_lookup_light+0x118/0x160 [ 31.110737] [] __sys_sendmsg+0xd6/0x190 [ 31.116341] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.122108] [] ? fd_install+0x4d/0x60 [ 31.127526] [] ? move_addr_to_kernel+0x50/0x50 [ 31.133725] [] SyS_sendmsg+0x2d/0x50 [ 31.139060] [] ? __sys_sendmsg+0x190/0x190 [ 31.144915] [] do_syscall_64+0x1a5/0x490 [ 31.150599] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 31.158790] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 31.167493] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.172918] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 31.180600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.189930] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 31.197896] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 31.205861] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 31.213826] Call Trace: [ 31.216398] [] dump_stack+0xc1/0x128 [ 31.221734] [] check_preemption_disabled+0x1d4/0x200 [ 31.228456] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.234919] [] ipcomp_init_state+0x188/0x930 [ 31.240949] [] ? __lock_is_held+0xa1/0xf0 [ 31.246717] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.252744] [] __xfrm_init_state+0x3e7/0xb30 [ 31.258772] [] xfrm_init_state+0x1a/0x20 [ 31.264453] [] pfkey_add+0x1fb9/0x3470 [ 31.269959] [] ? pfkey_delete+0x360/0x360 [ 31.275727] [] ? pfkey_seq_stop+0x80/0x80 [ 31.281503] [] ? __skb_clone+0x24a/0x7d0 [ 31.287200] [] ? pfkey_delete+0x360/0x360 [ 31.292969] [] pfkey_process+0x68b/0x750 [ 31.298648] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.305469] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.312282] [] pfkey_sendmsg+0x3a9/0x760 [ 31.317967] [] ? pfkey_spdget+0x820/0x820 [ 31.323736] [] sock_sendmsg+0xca/0x110 [ 31.329241] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.335004] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.342424] [] ? check_preemption_disabled+0x3b/0x200 [ 31.349233] [] ? check_preemption_disabled+0x3b/0x200 [ 31.356042] [] ? debug_mutex_init+0x1c/0x60 [ 31.361979] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.368785] [] ? __lock_is_held+0xa1/0xf0 [ 31.374548] [] ? check_preemption_disabled+0x3b/0x200 [ 31.381366] [] ? __fd_install+0x223/0x5f0 [ 31.387133] [] ? __fget_light+0x169/0x1f0 [ 31.392897] [] ? __fdget+0x18/0x20 [ 31.398055] [] ? sockfd_lookup_light+0x118/0x160 [ 31.404425] [] __sys_sendmsg+0xd6/0x190 [ 31.410016] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.415783] [] ? fd_install+0x4d/0x60 executing program [ 31.421206] [] ? move_addr_to_kernel+0x50/0x50 [ 31.427403] [] SyS_sendmsg+0x2d/0x50 [ 31.432736] [] ? __sys_sendmsg+0x190/0x190 [ 31.438591] [] do_syscall_64+0x1a5/0x490 [ 31.444272] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 31.452565] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller091860/3798 [ 31.461247] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.466694] CPU: 0 PID: 3798 Comm: syzkaller091860 Not tainted 4.9.82-gcdfc8df #37 [ 31.474373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.483696] ffff8801b3ac7678 ffffffff81d94fc9 0000000000000000 ffffffff83c18e00 [ 31.491654] ffffffff83f45ba0 ffff8801d95fc800 0000000000000003 ffff8801b3ac76b8 [ 31.499622] ffffffff81dfc5c4 ffff8801b3ac76d0 ffffffff83f45ba0 dffffc0000000000 [ 31.507584] Call Trace: [ 31.510143] [] dump_stack+0xc1/0x128 [ 31.515475] [] check_preemption_disabled+0x1d4/0x200 [ 31.522196] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.528656] [] ipcomp_init_state+0x188/0x930 [ 31.534694] [] ? __lock_is_held+0xa1/0xf0 [ 31.540460] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.546483] [] __xfrm_init_state+0x3e7/0xb30 [ 31.552518] [] xfrm_init_state+0x1a/0x20 [ 31.558198] [] pfkey_add+0x1fb9/0x3470 [ 31.563702] [] ? pfkey_delete+0x360/0x360 [ 31.569466] [] ? pfkey_seq_stop+0x80/0x80 [ 31.575232] [] ? __skb_clone+0x24a/0x7d0 [ 31.580911] [] ? pfkey_delete+0x360/0x360 [ 31.586685] [] pfkey_process+0x68b/0x750 [ 31.592365] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.599174] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.605980] [] pfkey_sendmsg+0x3a9/0x760 [ 31.611658] [] ? pfkey_spdget+0x820/0x820 [ 31.617425] [] sock_sendmsg+0xca/0x110 [ 31.622927] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.628693] [] ? copy_msghdr_from_user+0x570/0x570 [ 31.635244] [] ? check_preemption_disabled+0x3b/0x200 [ 31.642050] [] ? check_preemption_disabled+0x3b/0x200 [ 31.648858] [] ? debug_mutex_init+0x1c/0x60 [ 31.654795] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.661601] [] ? __lock_is_held+0xa1/0xf0 [ 31.667366] [] ? check_preemption_disabled+0x3b/0x200 [ 31.674172] [] ? __fd_install+0x223/0x5f0 [ 31.679935] [] ? __fget_light+0x169/0x1f0 [ 31.685703] [] ? __fdget+0x18/0x20 [ 31.690869] [] ? sockfd_lookup_light+0x118/0x160 [ 31.697243] [] __sys_sendmsg+0xd6/0x190 [ 31.702835] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.708599] [] ? fd_install+0x4d/0x60 [ 31.714015] [] ? move_addr_to_kernel+0x50/0x50 [ 31.720213] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.725546] [] ? __sys_sendmsg+0x190/0x190 [ 31.731397] [] do_syscall_64+0x1a5/0x490 [ 31.737075] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program