[....] Starting enhanced syslogd: rsyslogd[ 12.994059] audit: type=1400 audit(1515910343.676:4): avc: denied { syslog } for pid=3178 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.239' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 21.136666] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 21.145400] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.150936] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 21.158624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.167950] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 21.175910] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 21.183863] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 21.191812] Call Trace: [ 21.194371] [] dump_stack+0xc1/0x128 [ 21.199712] [] check_preemption_disabled+0x1d4/0x200 [ 21.206443] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.212908] [] ipcomp_init_state+0x188/0x930 [ 21.218940] [] ? __lock_is_held+0xa1/0xf0 [ 21.224716] [] ipcomp6_init_state+0xb5/0x820 [ 21.230743] [] ? __xfrm_init_state+0x363/0xb30 [ 21.236937] [] __xfrm_init_state+0x3e7/0xb30 [ 21.242958] [] xfrm_init_state+0x1a/0x20 [ 21.248636] [] pfkey_add+0x1fb9/0x3470 [ 21.254136] [] ? pfkey_delete+0x360/0x360 [ 21.259897] [] ? pfkey_seq_stop+0x80/0x80 [ 21.265661] [] ? __skb_clone+0x24a/0x7d0 [ 21.271337] [] ? pfkey_delete+0x360/0x360 [ 21.277097] [] pfkey_process+0x61e/0x730 [ 21.282772] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.289582] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.296385] [] pfkey_sendmsg+0x3a9/0x760 [ 21.302057] [] ? pfkey_spdget+0x820/0x820 [ 21.307821] [] sock_sendmsg+0xca/0x110 [ 21.313328] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.319091] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.325638] [] ? __lock_is_held+0xa1/0xf0 [ 21.331415] [] ? __lru_cache_add+0x187/0x250 [ 21.337442] [] ? lru_cache_add+0xd9/0x1e0 [ 21.343207] [] ? handle_mm_fault+0xb12/0x2530 [ 21.349323] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.355260] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.361376] [] ? __fget_light+0x158/0x1e0 [ 21.367152] [] ? __fdget+0x18/0x20 [ 21.372322] [] ? sockfd_lookup_light+0x118/0x160 [ 21.378700] [] __sys_sendmsg+0xd6/0x190 executing program [ 21.384291] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.390059] [] ? __do_page_fault+0x5ec/0xd40 [ 21.396098] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.402035] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.408590] [] do_fast_syscall_32+0x2f7/0x890 [ 21.414710] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.421355] [] entry_SYSENTER_compat+0x74/0x83 [ 21.430273] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 21.439018] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.444439] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 21.452109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.461431] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 21.469387] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 21.477342] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 21.486155] Call Trace: [ 21.488718] [] dump_stack+0xc1/0x128 [ 21.494048] [] check_preemption_disabled+0x1d4/0x200 [ 21.500766] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.507225] [] ipcomp_init_state+0x188/0x930 [ 21.513252] [] ? __lock_is_held+0xa1/0xf0 [ 21.519021] [] ipcomp6_init_state+0xb5/0x820 [ 21.525041] [] ? __xfrm_init_state+0x363/0xb30 [ 21.531238] [] __xfrm_init_state+0x3e7/0xb30 [ 21.537272] [] xfrm_init_state+0x1a/0x20 [ 21.542953] [] pfkey_add+0x1fb9/0x3470 [ 21.548455] [] ? pfkey_delete+0x360/0x360 [ 21.554215] [] ? pfkey_seq_stop+0x80/0x80 [ 21.559989] [] ? __skb_clone+0x24a/0x7d0 [ 21.565666] [] ? pfkey_delete+0x360/0x360 [ 21.571429] [] pfkey_process+0x61e/0x730 [ 21.577104] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.583914] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.590717] [] pfkey_sendmsg+0x3a9/0x760 [ 21.596486] [] ? pfkey_spdget+0x820/0x820 [ 21.602253] [] sock_sendmsg+0xca/0x110 [ 21.607756] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.613527] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.620079] [] ? __lock_is_held+0xa1/0xf0 [ 21.625844] [] ? __lru_cache_add+0x187/0x250 [ 21.631867] [] ? lru_cache_add+0xd9/0x1e0 [ 21.637644] [] ? handle_mm_fault+0xb12/0x2530 [ 21.643764] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.649699] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.655809] [] ? __fget_light+0x158/0x1e0 [ 21.661580] [] ? __fdget+0x18/0x20 [ 21.666735] [] ? sockfd_lookup_light+0x118/0x160 [ 21.673106] [] __sys_sendmsg+0xd6/0x190 [ 21.678701] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 21.684465] [] ? __do_page_fault+0x5ec/0xd40 [ 21.690490] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.696427] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.702984] [] do_fast_syscall_32+0x2f7/0x890 [ 21.709096] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.715732] [] entry_SYSENTER_compat+0x74/0x83 [ 21.724336] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 21.733020] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.738467] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 21.746148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.755476] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 21.763435] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 21.771386] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 21.779336] Call Trace: [ 21.781895] [] dump_stack+0xc1/0x128 [ 21.787225] [] check_preemption_disabled+0x1d4/0x200 [ 21.793952] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.800419] [] ipcomp_init_state+0x188/0x930 [ 21.806445] [] ? __lock_is_held+0xa1/0xf0 [ 21.812211] [] ipcomp6_init_state+0xb5/0x820 [ 21.818242] [] ? __xfrm_init_state+0x363/0xb30 [ 21.824525] [] __xfrm_init_state+0x3e7/0xb30 [ 21.830544] [] xfrm_init_state+0x1a/0x20 [ 21.836218] [] pfkey_add+0x1fb9/0x3470 [ 21.841718] [] ? pfkey_delete+0x360/0x360 [ 21.847479] [] ? pfkey_seq_stop+0x80/0x80 [ 21.853249] [] ? __skb_clone+0x24a/0x7d0 [ 21.858924] [] ? pfkey_delete+0x360/0x360 [ 21.864684] [] pfkey_process+0x61e/0x730 [ 21.870361] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.877170] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.883980] [] pfkey_sendmsg+0x3a9/0x760 [ 21.889655] [] ? pfkey_spdget+0x820/0x820 [ 21.895416] [] sock_sendmsg+0xca/0x110 [ 21.900921] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.906682] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.913225] [] ? __lock_is_held+0xa1/0xf0 [ 21.918996] [] ? __lru_cache_add+0x187/0x250 [ 21.925035] [] ? lru_cache_add+0xd9/0x1e0 [ 21.930837] [] ? handle_mm_fault+0xb12/0x2530 [ 21.936949] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.942887] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.949003] [] ? __fget_light+0x158/0x1e0 [ 21.954763] [] ? __fdget+0x18/0x20 [ 21.959919] [] ? sockfd_lookup_light+0x118/0x160 [ 21.966287] [] __sys_sendmsg+0xd6/0x190 [ 21.971877] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.977650] [] ? __do_page_fault+0x5ec/0xd40 [ 21.983689] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 21.989652] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.996205] [] do_fast_syscall_32+0x2f7/0x890 [ 22.002318] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.008959] [] entry_SYSENTER_compat+0x74/0x83 [ 22.019417] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 22.028120] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.033539] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 22.041207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.050528] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 22.058476] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 22.066422] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 22.074373] Call Trace: [ 22.076932] [] dump_stack+0xc1/0x128 [ 22.082266] [] check_preemption_disabled+0x1d4/0x200 [ 22.088989] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.095445] [] ipcomp_init_state+0x188/0x930 [ 22.101468] [] ? __lock_is_held+0xa1/0xf0 [ 22.107292] [] ipcomp6_init_state+0xb5/0x820 [ 22.113313] [] ? __xfrm_init_state+0x363/0xb30 [ 22.119510] [] __xfrm_init_state+0x3e7/0xb30 [ 22.125529] [] xfrm_init_state+0x1a/0x20 [ 22.131207] [] pfkey_add+0x1fb9/0x3470 [ 22.136708] [] ? pfkey_delete+0x360/0x360 [ 22.142469] [] ? pfkey_seq_stop+0x80/0x80 [ 22.148234] [] ? __skb_clone+0x24a/0x7d0 [ 22.153929] [] ? pfkey_delete+0x360/0x360 [ 22.160129] [] pfkey_process+0x61e/0x730 [ 22.165805] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.172620] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.179432] [] pfkey_sendmsg+0x3a9/0x760 [ 22.185108] [] ? pfkey_spdget+0x820/0x820 [ 22.190872] [] sock_sendmsg+0xca/0x110 [ 22.196382] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.202146] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.208690] [] ? __lock_is_held+0xa1/0xf0 [ 22.214453] [] ? __lru_cache_add+0x187/0x250 [ 22.220561] [] ? lru_cache_add+0xd9/0x1e0 [ 22.226322] [] ? handle_mm_fault+0xb12/0x2530 [ 22.232441] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.238380] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.244493] [] ? __fget_light+0x158/0x1e0 [ 22.250255] [] ? __fdget+0x18/0x20 [ 22.255409] [] ? sockfd_lookup_light+0x118/0x160 [ 22.261784] [] __sys_sendmsg+0xd6/0x190 [ 22.267370] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.273135] [] ? __do_page_fault+0x5ec/0xd40 [ 22.279159] [] compat_SyS_sendmsg+0x2a/0x40 [ 22.285092] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 22.291638] [] do_fast_syscall_32+0x2f7/0x890 [ 22.297747] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.304386] [] entry_SYSENTER_compat+0x74/0x83 [ 22.312667] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 22.321371] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.326797] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 22.334471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.343798] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 22.351743] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 22.359686] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 22.367631] Call Trace: [ 22.370195] [] dump_stack+0xc1/0x128 [ 22.375534] [] check_preemption_disabled+0x1d4/0x200 [ 22.382260] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.388728] [] ipcomp_init_state+0x188/0x930 [ 22.394750] [] ? __lock_is_held+0xa1/0xf0 [ 22.400543] [] ipcomp6_init_state+0xb5/0x820 [ 22.406584] [] ? __xfrm_init_state+0x363/0xb30 [ 22.412800] [] __xfrm_init_state+0x3e7/0xb30 [ 22.418842] [] xfrm_init_state+0x1a/0x20 [ 22.424519] [] pfkey_add+0x1fb9/0x3470 [ 22.430020] [] ? pfkey_delete+0x360/0x360 [ 22.435781] [] ? pfkey_seq_stop+0x80/0x80 [ 22.441548] [] ? __skb_clone+0x24a/0x7d0 [ 22.447223] [] ? pfkey_delete+0x360/0x360 [ 22.453005] [] pfkey_process+0x61e/0x730 [ 22.458704] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.465531] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.472359] [] pfkey_sendmsg+0x3a9/0x760 [ 22.478051] [] ? pfkey_spdget+0x820/0x820 [ 22.483838] [] sock_sendmsg+0xca/0x110 [ 22.489345] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.495110] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.501659] [] ? __lock_is_held+0xa1/0xf0 [ 22.507430] [] ? __lru_cache_add+0x187/0x250 [ 22.513454] [] ? lru_cache_add+0xd9/0x1e0 [ 22.519224] [] ? handle_mm_fault+0xb12/0x2530 [ 22.525340] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.531277] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.537394] [] ? __fget_light+0x158/0x1e0 [ 22.543157] [] ? __fdget+0x18/0x20 [ 22.548315] [] ? sockfd_lookup_light+0x118/0x160 [ 22.554690] [] __sys_sendmsg+0xd6/0x190 [ 22.560281] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.566050] [] ? __do_page_fault+0x5ec/0xd40 [ 22.572077] [] compat_SyS_sendmsg+0x2a/0x40 [ 22.578017] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 22.584566] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 22.590677] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.597309] [] entry_SYSENTER_compat+0x74/0x83 [ 22.605477] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 22.614190] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.619684] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 22.627372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.636701] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 22.644704] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 22.652667] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 22.660621] Call Trace: [ 22.663191] [] dump_stack+0xc1/0x128 [ 22.668525] [] check_preemption_disabled+0x1d4/0x200 [ 22.675245] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.681726] [] ipcomp_init_state+0x188/0x930 [ 22.687770] [] ? __lock_is_held+0xa1/0xf0 [ 22.693542] [] ipcomp6_init_state+0xb5/0x820 [ 22.699567] [] ? __xfrm_init_state+0x363/0xb30 [ 22.705762] [] __xfrm_init_state+0x3e7/0xb30 [ 22.711785] [] xfrm_init_state+0x1a/0x20 [ 22.717462] [] pfkey_add+0x1fb9/0x3470 [ 22.722963] [] ? pfkey_delete+0x360/0x360 [ 22.728724] [] ? pfkey_seq_stop+0x80/0x80 [ 22.734492] [] ? __skb_clone+0x24a/0x7d0 [ 22.740181] [] ? pfkey_delete+0x360/0x360 [ 22.745940] [] pfkey_process+0x61e/0x730 [ 22.751615] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 22.758962] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.765770] [] pfkey_sendmsg+0x3a9/0x760 [ 22.771445] [] ? pfkey_spdget+0x820/0x820 [ 22.777215] [] sock_sendmsg+0xca/0x110 [ 22.782724] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.788664] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.795213] [] ? __lock_is_held+0xa1/0xf0 [ 22.800975] [] ? __lru_cache_add+0x187/0x250 [ 22.806995] [] ? lru_cache_add+0xd9/0x1e0 [ 22.812757] [] ? handle_mm_fault+0xb12/0x2530 [ 22.818873] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.824808] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.830917] [] ? __fget_light+0x158/0x1e0 [ 22.836678] [] ? __fdget+0x18/0x20 [ 22.841831] [] ? sockfd_lookup_light+0x118/0x160 [ 22.848202] [] __sys_sendmsg+0xd6/0x190 [ 22.853789] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.859553] [] ? __do_page_fault+0x5ec/0xd40 [ 22.865578] [] compat_SyS_sendmsg+0x2a/0x40 [ 22.871515] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 22.878062] [] do_fast_syscall_32+0x2f7/0x890 [ 22.884169] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 22.890799] [] entry_SYSENTER_compat+0x74/0x83 [ 22.899181] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 22.907873] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.913293] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 22.920962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.930297] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 22.938254] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 22.946209] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 22.954163] Call Trace: [ 22.956725] [] dump_stack+0xc1/0x128 [ 22.962059] [] check_preemption_disabled+0x1d4/0x200 [ 22.968778] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.975254] [] ipcomp_init_state+0x188/0x930 [ 22.981304] [] ? __lock_is_held+0xa1/0xf0 [ 22.987068] [] ipcomp6_init_state+0xb5/0x820 [ 22.993092] [] ? __xfrm_init_state+0x363/0xb30 [ 22.999288] [] __xfrm_init_state+0x3e7/0xb30 [ 23.005309] [] xfrm_init_state+0x1a/0x20 [ 23.010988] [] pfkey_add+0x1fb9/0x3470 [ 23.016489] [] ? pfkey_delete+0x360/0x360 [ 23.022285] [] ? pfkey_seq_stop+0x80/0x80 [ 23.028052] [] ? __skb_clone+0x24a/0x7d0 [ 23.033728] [] ? pfkey_delete+0x360/0x360 [ 23.039490] [] pfkey_process+0x61e/0x730 [ 23.045167] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 23.051985] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.058796] [] pfkey_sendmsg+0x3a9/0x760 [ 23.064475] [] ? pfkey_spdget+0x820/0x820 [ 23.070241] [] sock_sendmsg+0xca/0x110 [ 23.076178] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.081943] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.088501] [] ? __lock_is_held+0xa1/0xf0 [ 23.094279] [] ? __lru_cache_add+0x187/0x250 [ 23.100387] [] ? lru_cache_add+0xd9/0x1e0 [ 23.106148] [] ? handle_mm_fault+0xb12/0x2530 [ 23.112261] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.118204] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.124325] [] ? __fget_light+0x158/0x1e0 [ 23.130086] [] ? __fdget+0x18/0x20 [ 23.135242] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 23.141610] [] __sys_sendmsg+0xd6/0x190 [ 23.147197] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.152964] [] ? __do_page_fault+0x5ec/0xd40 [ 23.158989] [] compat_SyS_sendmsg+0x2a/0x40 [ 23.164924] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 23.171489] [] do_fast_syscall_32+0x2f7/0x890 [ 23.177602] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.184245] [] entry_SYSENTER_compat+0x74/0x83 [ 23.192386] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 23.201073] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.206493] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 23.214161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.223491] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 23.231442] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 23.239387] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 23.247329] Call Trace: [ 23.249885] [] dump_stack+0xc1/0x128 [ 23.255227] [] check_preemption_disabled+0x1d4/0x200 [ 23.261942] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.268402] [] ipcomp_init_state+0x188/0x930 [ 23.274434] [] ? __lock_is_held+0xa1/0xf0 [ 23.280197] [] ipcomp6_init_state+0xb5/0x820 [ 23.286223] [] ? __xfrm_init_state+0x363/0xb30 [ 23.292418] [] __xfrm_init_state+0x3e7/0xb30 [ 23.298445] [] xfrm_init_state+0x1a/0x20 [ 23.304128] [] pfkey_add+0x1fb9/0x3470 [ 23.309631] [] ? pfkey_delete+0x360/0x360 [ 23.315573] [] ? pfkey_seq_stop+0x80/0x80 [ 23.321335] [] ? __skb_clone+0x24a/0x7d0 [ 23.327009] [] ? pfkey_delete+0x360/0x360 [ 23.332770] [] pfkey_process+0x61e/0x730 [ 23.338464] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 23.345268] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.352157] [] pfkey_sendmsg+0x3a9/0x760 [ 23.357828] [] ? pfkey_spdget+0x820/0x820 [ 23.363598] [] sock_sendmsg+0xca/0x110 [ 23.369102] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.374864] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.381413] [] ? __lock_is_held+0xa1/0xf0 [ 23.387965] [] ? __lru_cache_add+0x187/0x250 [ 23.393986] [] ? lru_cache_add+0xd9/0x1e0 [ 23.399746] [] ? handle_mm_fault+0xb12/0x2530 [ 23.405859] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.411796] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.417905] [] ? __fget_light+0x158/0x1e0 [ 23.423665] [] ? __fdget+0x18/0x20 [ 23.429079] [] ? sockfd_lookup_light+0x118/0x160 [ 23.435631] [] __sys_sendmsg+0xd6/0x190 [ 23.441220] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 23.446986] [] ? __do_page_fault+0x5ec/0xd40 [ 23.453012] [] compat_SyS_sendmsg+0x2a/0x40 [ 23.458948] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 23.465503] [] do_fast_syscall_32+0x2f7/0x890 [ 23.471613] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.478246] [] entry_SYSENTER_compat+0x74/0x83 [ 23.486354] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 [ 23.495065] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.500514] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 23.508194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.517516] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 23.525458] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 23.533405] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 23.541367] Call Trace: [ 23.543922] [] dump_stack+0xc1/0x128 [ 23.549251] [] check_preemption_disabled+0x1d4/0x200 [ 23.555968] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.562429] [] ipcomp_init_state+0x188/0x930 [ 23.568452] [] ? __lock_is_held+0xa1/0xf0 [ 23.574213] [] ipcomp6_init_state+0xb5/0x820 [ 23.580236] [] ? __xfrm_init_state+0x363/0xb30 [ 23.586433] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.592477] [] xfrm_init_state+0x1a/0x20 [ 23.598205] [] pfkey_add+0x1fb9/0x3470 [ 23.603717] [] ? pfkey_delete+0x360/0x360 [ 23.609480] [] ? pfkey_seq_stop+0x80/0x80 [ 23.615244] [] ? __skb_clone+0x24a/0x7d0 [ 23.620929] [] ? pfkey_delete+0x360/0x360 [ 23.626717] [] pfkey_process+0x61e/0x730 [ 23.632419] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 23.639270] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.639279] [] pfkey_sendmsg+0x3a9/0x760 [ 23.639287] [] ? pfkey_spdget+0x820/0x820 [ 23.639296] [] sock_sendmsg+0xca/0x110 [ 23.639302] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.639308] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.639315] [] ? __lock_is_held+0xa1/0xf0 [ 23.639325] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.639331] [] ? lru_cache_add+0xd9/0x1e0 [ 23.639338] [] ? handle_mm_fault+0xb12/0x2530 [ 23.639349] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.639355] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.639363] [] ? __fget_light+0x158/0x1e0 [ 23.639368] [] ? __fdget+0x18/0x20 [ 23.639375] [] ? sockfd_lookup_light+0x118/0x160 [ 23.639381] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.639387] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.639398] [] ? __do_page_fault+0x5ec/0xd40 [ 23.639408] [] compat_SyS_sendmsg+0x2a/0x40 [ 23.639415] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 23.639424] [] do_fast_syscall_32+0x2f7/0x890 [ 23.639430] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.639437] [] entry_SYSENTER_compat+0x74/0x83 [ 23.643815] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller122521/3327 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.643828] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.643836] CPU: 1 PID: 3327 Comm: syzkaller122521 Not tainted 4.9.76-g8e170a5 #21 [ 23.643839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.643851] ffff8801cc5d7658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 23.643859] ffffffff83f44900 ffff8801ca091800 0000000000000003 ffff8801cc5d7698 [ 23.643868] ffffffff81dfa714 ffff8801cc5d76b0 ffffffff83f44900 dffffc0000000000 [ 23.643869] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.643880] [] dump_stack+0xc1/0x128 [ 23.643888] [] check_preemption_disabled+0x1d4/0x200 [ 23.643895] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.643906] [] ipcomp_init_state+0x188/0x930 [ 23.643915] [] ? __lock_is_held+0xa1/0xf0 [ 23.643922] [] ipcomp6_init_state+0xb5/0x820 [ 23.643928] [] ? __xfrm_init_state+0x363/0xb30 [ 23.643934] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.643940] [] xfrm_init_state+0x1a/0x20 [ 23.643947] [] pfkey_add+0x1fb9/0x3470 [ 23.643953] [] ? pfkey_delete+0x360/0x360 [ 23.643959] [] ? pfkey_seq_stop+0x80/0x80 [ 23.643966] [] ? __skb_clone+0x24a/0x7d0 [ 23.643972] [] ? pfkey_delete+0x360/0x360 [ 23.643978] [] pfkey_process+0x61e/0x730 [ 23.643984] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.643992] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.643999] [] pfkey_sendmsg+0x3a9/0x760 [ 23.644004] [] ? pfkey_spdget+0x820/0x820 [ 23.644012] [] sock_sendmsg+0xca/0x110 [ 23.644019] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.644027] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.644033] [] ? __lock_is_held+0xa1/0xf0 [ 23.644042] [] ? __lru_cache_add+0x187/0x250 [ 23.644047] [] ? lru_cache_add+0xd9/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.644053] [] ? handle_mm_fault+0xb12/0x2530 [ 23.644062] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.644067] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.644074] [] ? __fget_light+0x158/0x1e0 [ 23.644080] [] ? __fdget+0x18/0x20 [ 23.644087] [] ? sockfd_lookup_light+0x118/0x160 [ 23.644092] [] __sys_sendmsg+0xd6/0x190 [ 23.644098] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 23.644107] [] ? __do_page_fault+0x5ec/0xd40 [ 23.644115] [] compat_SyS_sendmsg+0x2a/0x40 [ 23.644122] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 23.644129] [] do_fast_syscall_32+0x2f7/0x890 [ 23.644135] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.644142] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program