[....] Starting enhanced syslogd: rsyslogd[ 11.118341] audit: type=1400 audit(1516001152.642:4): avc: denied { syslog } for pid=3177 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 '10.128.0.28' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 48.056587] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3355 [ 48.059121] caller is __this_cpu_preempt_check+0x1c/0x20 [ 48.060051] CPU: 1 PID: 3355 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 48.061191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.063400] ffff8801c7f27668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 48.065927] ffffffff83f44900 ffff8801c9d8e000 0000000000000003 ffff8801c7f276a8 [ 48.067544] ffffffff81dfa714 ffff8801c7f276c0 ffffffff83f44900 dffffc0000000000 [ 48.069391] Call Trace: [ 48.069976] [] dump_stack+0xc1/0x128 [ 48.071450] [] check_preemption_disabled+0x1d4/0x200 [ 48.072690] [] __this_cpu_preempt_check+0x1c/0x20 [ 48.074779] [] ipcomp_init_state+0x188/0x930 [ 48.076554] [] ? __lock_is_held+0xa1/0xf0 [ 48.079493] [] ipcomp4_init_state+0xb0/0x7d0 [ 48.085531] [] __xfrm_init_state+0x3e7/0xb30 [ 48.091581] [] xfrm_init_state+0x1a/0x20 [ 48.097403] [] pfkey_add+0x1fb9/0x3470 [ 48.102954] [] ? pfkey_delete+0x360/0x360 [ 48.108733] [] ? pfkey_seq_stop+0x80/0x80 [ 48.114508] [] ? __skb_clone+0x24a/0x7d0 [ 48.120195] [] ? pfkey_delete+0x360/0x360 [ 48.125968] [] pfkey_process+0x61e/0x730 [ 48.131657] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 48.138478] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.145289] [] pfkey_sendmsg+0x3a9/0x760 [ 48.150974] [] ? pfkey_spdget+0x820/0x820 [ 48.156747] [] sock_sendmsg+0xca/0x110 [ 48.162260] [] ___sys_sendmsg+0x6d1/0x7e0 [ 48.168034] [] ? copy_msghdr_from_user+0x550/0x550 [ 48.174623] [] ? __lru_cache_add+0x187/0x250 [ 48.180672] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 48.187751] [] ? _raw_spin_unlock+0x2c/0x50 [ 48.193695] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 48.200772] [] ? handle_mm_fault+0x6ee/0x2530 [ 48.206894] [] ? __fget_light+0x158/0x1e0 [ 48.212675] [] ? __fdget+0x18/0x20 [ 48.217842] [] ? sockfd_lookup_light+0x118/0x160 [ 48.224224] [] __sys_sendmsg+0xd6/0x190 [ 48.229833] [] ? SyS_shutdown+0x1b0/0x1b0 [ 48.235612] [] ? __do_page_fault+0x5ec/0xd40 [ 48.241646] [] compat_SyS_sendmsg+0x2a/0x40 [ 48.247600] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 48.254157] [] do_fast_syscall_32+0x2f7/0x890 [ 48.260301] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.266944] [] entry_SYSENTER_compat+0x74/0x83 [ 48.275248] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3356 [ 48.283963] caller is __this_cpu_preempt_check+0x1c/0x20 [ 48.289465] CPU: 0 PID: 3356 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 48.297151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.306491] ffff8801c7eb7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 48.314473] ffffffff83f44900 ffff8801c9139800 0000000000000003 ffff8801c7eb76a8 [ 48.322454] ffffffff81dfa714 ffff8801c7eb76c0 ffffffff83f44900 dffffc0000000000 [ 48.330434] Call Trace: [ 48.332999] [] dump_stack+0xc1/0x128 [ 48.338342] [] check_preemption_disabled+0x1d4/0x200 [ 48.345079] [] __this_cpu_preempt_check+0x1c/0x20 [ 48.351565] [] ipcomp_init_state+0x188/0x930 [ 48.357599] [] ? __lock_is_held+0xa1/0xf0 [ 48.363379] [] ipcomp4_init_state+0xb0/0x7d0 [ 48.369439] [] __xfrm_init_state+0x3e7/0xb30 [ 48.375497] [] xfrm_init_state+0x1a/0x20 [ 48.381192] [] pfkey_add+0x1fb9/0x3470 [ 48.386704] [] ? pfkey_delete+0x360/0x360 [ 48.392474] [] ? pfkey_seq_stop+0x80/0x80 [ 48.398254] [] ? __skb_clone+0x24a/0x7d0 [ 48.403940] [] ? pfkey_delete+0x360/0x360 [ 48.409810] [] pfkey_process+0x61e/0x730 [ 48.415506] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 48.422321] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.429138] [] pfkey_sendmsg+0x3a9/0x760 [ 48.434824] [] ? pfkey_spdget+0x820/0x820 [ 48.441136] [] sock_sendmsg+0xca/0x110 [ 48.446649] [] ___sys_sendmsg+0x6d1/0x7e0 [ 48.452424] [] ? copy_msghdr_from_user+0x550/0x550 [ 48.458981] [] ? __lru_cache_add+0x187/0x250 [ 48.465013] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 48.472092] [] ? _raw_spin_unlock+0x2c/0x50 [ 48.478055] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 48.485128] [] ? handle_mm_fault+0x6ee/0x2530 [ 48.491261] [] ? __fget_light+0x158/0x1e0 [ 48.497054] [] ? __fdget+0x18/0x20 [ 48.502222] [] ? sockfd_lookup_light+0x118/0x160 [ 48.508606] [] __sys_sendmsg+0xd6/0x190 [ 48.514208] [] ? SyS_shutdown+0x1b0/0x1b0 [ 48.520003] [] ? __do_page_fault+0x5ec/0xd40 [ 48.526071] [] compat_SyS_sendmsg+0x2a/0x40 [ 48.532062] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 48.538659] [] do_fast_syscall_32+0x2f7/0x890 [ 48.544814] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.551506] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 48.558995] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3350 [ 48.567840] caller is __this_cpu_preempt_check+0x1c/0x20 [ 48.573391] CPU: 0 PID: 3350 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 48.581077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.590410] ffff8801c7fbf668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 48.598392] ffffffff83f44900 ffff8801c8fcb000 0000000000000003 ffff8801c7fbf6a8 [ 48.606385] ffffffff81dfa714 ffff8801c7fbf6c0 ffffffff83f44900 dffffc0000000000 [ 48.614367] Call Trace: [ 48.616942] [] dump_stack+0xc1/0x128 [ 48.622280] [] check_preemption_disabled+0x1d4/0x200 [ 48.629010] [] __this_cpu_preempt_check+0x1c/0x20 [ 48.635478] [] ipcomp_init_state+0x188/0x930 [ 48.641512] [] ? __lock_is_held+0xa1/0xf0 [ 48.647285] [] ipcomp4_init_state+0xb0/0x7d0 [ 48.653401] [] __xfrm_init_state+0x3e7/0xb30 [ 48.659431] [] xfrm_init_state+0x1a/0x20 [ 48.665116] [] pfkey_add+0x1fb9/0x3470 [ 48.670638] [] ? pfkey_delete+0x360/0x360 [ 48.676407] [] ? pfkey_seq_stop+0x80/0x80 [ 48.682177] [] ? __skb_clone+0x24a/0x7d0 [ 48.687885] [] ? pfkey_delete+0x360/0x360 [ 48.693660] [] pfkey_process+0x61e/0x730 [ 48.699345] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 48.706161] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.712978] [] pfkey_sendmsg+0x3a9/0x760 [ 48.718662] [] ? pfkey_spdget+0x820/0x820 [ 48.724435] [] sock_sendmsg+0xca/0x110 [ 48.729950] [] ___sys_sendmsg+0x6d1/0x7e0 [ 48.735721] [] ? copy_msghdr_from_user+0x550/0x550 [ 48.742276] [] ? __lru_cache_add+0x187/0x250 [ 48.748331] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 48.755417] [] ? _raw_spin_unlock+0x2c/0x50 [ 48.761381] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 48.768468] [] ? handle_mm_fault+0x6ee/0x2530 [ 48.774589] [] ? __fget_light+0x158/0x1e0 [ 48.780362] [] ? __fdget+0x18/0x20 [ 48.785529] [] ? sockfd_lookup_light+0x118/0x160 [ 48.791927] [] __sys_sendmsg+0xd6/0x190 [ 48.797530] [] ? SyS_shutdown+0x1b0/0x1b0 [ 48.803307] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 48.809343] [] compat_SyS_sendmsg+0x2a/0x40 [ 48.815289] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 48.821845] [] do_fast_syscall_32+0x2f7/0x890 [ 48.827969] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.834624] [] entry_SYSENTER_compat+0x74/0x83 [ 48.841486] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3353 [ 48.850211] caller is __this_cpu_preempt_check+0x1c/0x20 [ 48.855675] CPU: 0 PID: 3353 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 48.863359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.872691] ffff8801c7fc7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 48.880677] ffffffff83f44900 ffff8801c9d8c800 0000000000000003 ffff8801c7fc76a8 [ 48.888709] ffffffff81dfa714 ffff8801c7fc76c0 ffffffff83f44900 dffffc0000000000 [ 48.896690] Call Trace: [ 48.899256] [] dump_stack+0xc1/0x128 [ 48.904596] [] check_preemption_disabled+0x1d4/0x200 [ 48.911321] [] __this_cpu_preempt_check+0x1c/0x20 [ 48.917795] [] ipcomp_init_state+0x188/0x930 [ 48.923831] [] ? __lock_is_held+0xa1/0xf0 [ 48.929625] [] ipcomp4_init_state+0xb0/0x7d0 [ 48.935665] [] __xfrm_init_state+0x3e7/0xb30 [ 48.941703] [] xfrm_init_state+0x1a/0x20 [ 48.947395] [] pfkey_add+0x1fb9/0x3470 [ 48.952906] [] ? pfkey_delete+0x360/0x360 [ 48.958679] [] ? pfkey_seq_stop+0x80/0x80 [ 48.964449] [] ? __skb_clone+0x24a/0x7d0 [ 48.970132] [] ? pfkey_delete+0x360/0x360 [ 48.975902] [] pfkey_process+0x61e/0x730 [ 48.981585] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 48.988413] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 48.995227] [] pfkey_sendmsg+0x3a9/0x760 [ 49.000912] [] ? pfkey_spdget+0x820/0x820 [ 49.006686] [] sock_sendmsg+0xca/0x110 [ 49.012196] [] ___sys_sendmsg+0x6d1/0x7e0 [ 49.020222] [] ? copy_msghdr_from_user+0x550/0x550 [ 49.026801] [] ? __lru_cache_add+0x187/0x250 [ 49.032848] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 49.039926] [] ? _raw_spin_unlock+0x2c/0x50 [ 49.045875] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 49.052958] [] ? handle_mm_fault+0x6ee/0x2530 [ 49.059081] [] ? __fget_light+0x158/0x1e0 [ 49.064849] [] ? __fdget+0x18/0x20 [ 49.070018] [] ? sockfd_lookup_light+0x118/0x160 [ 49.076401] [] __sys_sendmsg+0xd6/0x190 [ 49.082002] [] ? SyS_shutdown+0x1b0/0x1b0 [ 49.087779] [] ? __do_page_fault+0x5ec/0xd40 [ 49.093814] [] compat_SyS_sendmsg+0x2a/0x40 [ 49.099765] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 49.106324] [] do_fast_syscall_32+0x2f7/0x890 [ 49.112443] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.119097] [] entry_SYSENTER_compat+0x74/0x83 [ 49.126087] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3354 [ 49.134810] caller is __this_cpu_preempt_check+0x1c/0x20 [ 49.140373] CPU: 0 PID: 3354 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 49.148060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.157395] ffff8801c7f7f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 49.165390] ffffffff83f44900 ffff8801c9d8b000 0000000000000003 ffff8801c7f7f6a8 [ 49.173375] ffffffff81dfa714 ffff8801c7f7f6c0 ffffffff83f44900 dffffc0000000000 [ 49.181369] Call Trace: [ 49.184022] [] dump_stack+0xc1/0x128 [ 49.189377] [] check_preemption_disabled+0x1d4/0x200 [ 49.196117] [] __this_cpu_preempt_check+0x1c/0x20 [ 49.202612] [] ipcomp_init_state+0x188/0x930 [ 49.208751] [] ? __lock_is_held+0xa1/0xf0 [ 49.214528] [] ipcomp4_init_state+0xb0/0x7d0 [ 49.220564] [] __xfrm_init_state+0x3e7/0xb30 [ 49.226609] [] xfrm_init_state+0x1a/0x20 [ 49.232303] [] pfkey_add+0x1fb9/0x3470 [ 49.237837] [] ? pfkey_delete+0x360/0x360 [ 49.243610] [] ? pfkey_seq_stop+0x80/0x80 [ 49.249398] [] ? __skb_clone+0x24a/0x7d0 [ 49.255084] [] ? pfkey_delete+0x360/0x360 [ 49.260861] [] pfkey_process+0x61e/0x730 [ 49.266562] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 49.273395] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 49.280216] [] pfkey_sendmsg+0x3a9/0x760 [ 49.285904] [] ? pfkey_spdget+0x820/0x820 [ 49.291684] [] sock_sendmsg+0xca/0x110 [ 49.297214] [] ___sys_sendmsg+0x6d1/0x7e0 [ 49.302989] [] ? copy_msghdr_from_user+0x550/0x550 [ 49.309562] [] ? __lru_cache_add+0x187/0x250 [ 49.315611] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 49.322707] [] ? _raw_spin_unlock+0x2c/0x50 [ 49.328671] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 49.335747] [] ? handle_mm_fault+0x6ee/0x2530 [ 49.341867] [] ? __fget_light+0x158/0x1e0 [ 49.347638] [] ? __fdget+0x18/0x20 [ 49.352813] [] ? sockfd_lookup_light+0x118/0x160 [ 49.359195] [] __sys_sendmsg+0xd6/0x190 [ 49.364805] [] ? SyS_shutdown+0x1b0/0x1b0 [ 49.370581] [] ? __do_page_fault+0x5ec/0xd40 [ 49.376628] [] compat_SyS_sendmsg+0x2a/0x40 [ 49.382575] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 49.389131] [] do_fast_syscall_32+0x2f7/0x890 [ 49.395254] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.401894] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 49.408690] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3357 [ 49.417406] caller is __this_cpu_preempt_check+0x1c/0x20 [ 49.422843] CPU: 0 PID: 3357 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 49.430525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.439860] ffff8801c83bf668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 49.447857] ffffffff83f44900 ffff8801c913e000 0000000000000003 ffff8801c83bf6a8 [ 49.455857] ffffffff81dfa714 ffff8801c83bf6c0 ffffffff83f44900 dffffc0000000000 [ 49.463843] Call Trace: [ 49.466412] [] dump_stack+0xc1/0x128 [ 49.471754] [] check_preemption_disabled+0x1d4/0x200 [ 49.478500] [] __this_cpu_preempt_check+0x1c/0x20 [ 49.484971] [] ipcomp_init_state+0x188/0x930 [ 49.491007] [] ? __lock_is_held+0xa1/0xf0 [ 49.496783] [] ipcomp4_init_state+0xb0/0x7d0 [ 49.502816] [] __xfrm_init_state+0x3e7/0xb30 [ 49.508859] [] xfrm_init_state+0x1a/0x20 [ 49.514543] [] pfkey_add+0x1fb9/0x3470 [ 49.520057] [] ? pfkey_delete+0x360/0x360 [ 49.525834] [] ? pfkey_seq_stop+0x80/0x80 [ 49.531623] [] ? __skb_clone+0x24a/0x7d0 [ 49.537321] [] ? pfkey_delete+0x360/0x360 [ 49.543093] [] pfkey_process+0x61e/0x730 [ 49.548780] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 49.555606] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 49.562421] [] pfkey_sendmsg+0x3a9/0x760 [ 49.568107] [] ? pfkey_spdget+0x820/0x820 [ 49.573882] [] sock_sendmsg+0xca/0x110 [ 49.579413] [] ___sys_sendmsg+0x6d1/0x7e0 [ 49.585202] [] ? copy_msghdr_from_user+0x550/0x550 [ 49.591761] [] ? __lru_cache_add+0x187/0x250 [ 49.597799] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 49.604887] [] ? _raw_spin_unlock+0x2c/0x50 [ 49.610839] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 49.617917] [] ? handle_mm_fault+0x6ee/0x2530 [ 49.624039] [] ? __fget_light+0x158/0x1e0 [ 49.629813] [] ? __fdget+0x18/0x20 [ 49.634982] [] ? sockfd_lookup_light+0x118/0x160 [ 49.641369] [] __sys_sendmsg+0xd6/0x190 [ 49.646971] [] ? SyS_shutdown+0x1b0/0x1b0 [ 49.652748] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 49.658797] [] compat_SyS_sendmsg+0x2a/0x40 [ 49.664742] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 49.671300] [] do_fast_syscall_32+0x2f7/0x890 [ 49.677421] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.684077] [] entry_SYSENTER_compat+0x74/0x83 [ 49.691136] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3352 [ 49.699853] caller is __this_cpu_preempt_check+0x1c/0x20 [ 49.705356] CPU: 0 PID: 3352 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 49.713221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.722557] ffff8801c7fef668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 49.730550] ffffffff83f44900 ffff8801c8fc8000 0000000000000003 ffff8801c7fef6a8 [ 49.738543] ffffffff81dfa714 ffff8801c7fef6c0 ffffffff83f44900 dffffc0000000000 [ 49.746525] Call Trace: [ 49.749096] [] dump_stack+0xc1/0x128 [ 49.754434] [] check_preemption_disabled+0x1d4/0x200 [ 49.761158] [] __this_cpu_preempt_check+0x1c/0x20 [ 49.767632] [] ipcomp_init_state+0x188/0x930 [ 49.773754] [] ? __lock_is_held+0xa1/0xf0 [ 49.779538] [] ipcomp4_init_state+0xb0/0x7d0 [ 49.785584] [] __xfrm_init_state+0x3e7/0xb30 [ 49.791648] [] xfrm_init_state+0x1a/0x20 [ 49.797344] [] pfkey_add+0x1fb9/0x3470 [ 49.802854] [] ? pfkey_delete+0x360/0x360 [ 49.808624] [] ? pfkey_seq_stop+0x80/0x80 [ 49.814397] [] ? __skb_clone+0x24a/0x7d0 [ 49.820085] [] ? pfkey_delete+0x360/0x360 [ 49.825857] [] pfkey_process+0x61e/0x730 [ 49.831543] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 49.838366] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 49.845181] [] pfkey_sendmsg+0x3a9/0x760 [ 49.850868] [] ? pfkey_spdget+0x820/0x820 [ 49.856648] [] sock_sendmsg+0xca/0x110 [ 49.862175] [] ___sys_sendmsg+0x6d1/0x7e0 [ 49.867949] [] ? copy_msghdr_from_user+0x550/0x550 [ 49.874517] [] ? __lru_cache_add+0x187/0x250 [ 49.880555] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 49.887649] [] ? _raw_spin_unlock+0x2c/0x50 [ 49.893592] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 49.900680] [] ? handle_mm_fault+0x6ee/0x2530 [ 49.906815] [] ? __fget_light+0x158/0x1e0 [ 49.912589] [] ? __fdget+0x18/0x20 [ 49.917757] [] ? sockfd_lookup_light+0x118/0x160 [ 49.924146] [] __sys_sendmsg+0xd6/0x190 [ 49.929745] [] ? SyS_shutdown+0x1b0/0x1b0 [ 49.935519] [] ? __do_page_fault+0x5ec/0xd40 [ 49.941554] [] compat_SyS_sendmsg+0x2a/0x40 [ 49.947501] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 49.954057] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 49.960174] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.966815] [] entry_SYSENTER_compat+0x74/0x83 [ 49.973809] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3351 [ 49.982538] caller is __this_cpu_preempt_check+0x1c/0x20 [ 49.988033] CPU: 0 PID: 3351 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 49.995715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.005051] ffff8801c8177668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 50.013046] ffffffff83f44900 ffff8801c8fce000 0000000000000003 ffff8801c81776a8 [ 50.021048] ffffffff81dfa714 ffff8801c81776c0 ffffffff83f44900 dffffc0000000000 [ 50.029019] Call Trace: [ 50.031581] [] dump_stack+0xc1/0x128 [ 50.036920] [] check_preemption_disabled+0x1d4/0x200 [ 50.043640] [] __this_cpu_preempt_check+0x1c/0x20 [ 50.050111] [] ipcomp_init_state+0x188/0x930 [ 50.056141] [] ? __lock_is_held+0xa1/0xf0 [ 50.061910] [] ipcomp4_init_state+0xb0/0x7d0 [ 50.067937] [] __xfrm_init_state+0x3e7/0xb30 [ 50.073964] [] xfrm_init_state+0x1a/0x20 [ 50.079647] [] pfkey_add+0x1fb9/0x3470 [ 50.085155] [] ? pfkey_delete+0x360/0x360 [ 50.090923] [] ? pfkey_seq_stop+0x80/0x80 [ 50.096693] [] ? __skb_clone+0x24a/0x7d0 [ 50.102371] [] ? pfkey_delete+0x360/0x360 [ 50.108144] [] pfkey_process+0x61e/0x730 [ 50.113825] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 50.120635] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 50.127442] [] pfkey_sendmsg+0x3a9/0x760 [ 50.133120] [] ? pfkey_spdget+0x820/0x820 [ 50.138887] [] sock_sendmsg+0xca/0x110 [ 50.144391] [] ___sys_sendmsg+0x6d1/0x7e0 [ 50.150158] [] ? copy_msghdr_from_user+0x550/0x550 [ 50.156710] [] ? __lru_cache_add+0x187/0x250 [ 50.162739] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 50.169809] [] ? _raw_spin_unlock+0x2c/0x50 [ 50.175751] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 50.182821] [] ? handle_mm_fault+0x6ee/0x2530 [ 50.188938] [] ? __fget_light+0x158/0x1e0 [ 50.194703] [] ? __fdget+0x18/0x20 [ 50.199871] [] ? sockfd_lookup_light+0x118/0x160 [ 50.206258] [] __sys_sendmsg+0xd6/0x190 executing program [ 50.211851] [] ? SyS_shutdown+0x1b0/0x1b0 [ 50.217620] [] ? __do_page_fault+0x5ec/0xd40 [ 50.223657] [] compat_SyS_sendmsg+0x2a/0x40 [ 50.229614] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 50.236168] [] do_fast_syscall_32+0x2f7/0x890 [ 50.242281] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.248918] [] entry_SYSENTER_compat+0x74/0x83 [ 50.256351] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3355 [ 50.265056] caller is __this_cpu_preempt_check+0x1c/0x20 [ 50.270480] CPU: 1 PID: 3355 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 50.278154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.287475] ffff8801c7f27668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 50.295444] ffffffff83f44900 ffff8801c9d8e000 0000000000000003 ffff8801c7f276a8 [ 50.303430] ffffffff81dfa714 ffff8801c7f276c0 ffffffff83f44900 dffffc0000000000 [ 50.311411] Call Trace: [ 50.313969] [] dump_stack+0xc1/0x128 [ 50.319302] [] check_preemption_disabled+0x1d4/0x200 [ 50.326032] [] __this_cpu_preempt_check+0x1c/0x20 [ 50.332493] [] ipcomp_init_state+0x188/0x930 [ 50.338526] [] ? __lock_is_held+0xa1/0xf0 [ 50.344378] [] ipcomp4_init_state+0xb0/0x7d0 [ 50.350402] [] __xfrm_init_state+0x3e7/0xb30 [ 50.356428] [] xfrm_init_state+0x1a/0x20 [ 50.362107] [] pfkey_add+0x1fb9/0x3470 [ 50.367616] [] ? pfkey_delete+0x360/0x360 [ 50.373385] [] ? pfkey_seq_stop+0x80/0x80 [ 50.379153] [] ? __skb_clone+0x24a/0x7d0 [ 50.384836] [] ? pfkey_delete+0x360/0x360 [ 50.390609] [] pfkey_process+0x61e/0x730 [ 50.396289] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 50.403100] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 50.409906] [] pfkey_sendmsg+0x3a9/0x760 [ 50.415585] [] ? pfkey_spdget+0x820/0x820 [ 50.421350] [] sock_sendmsg+0xca/0x110 [ 50.426854] [] ___sys_sendmsg+0x6d1/0x7e0 [ 50.432655] [] ? copy_msghdr_from_user+0x550/0x550 [ 50.439205] [] ? __lru_cache_add+0x187/0x250 [ 50.445234] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 50.452304] [] ? _raw_spin_unlock+0x2c/0x50 [ 50.458242] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 50.465311] [] ? handle_mm_fault+0x6ee/0x2530 [ 50.471423] [] ? __fget_light+0x158/0x1e0 [ 50.477195] [] ? __fdget+0x18/0x20 [ 50.482359] [] ? sockfd_lookup_light+0x118/0x160 [ 50.488733] [] __sys_sendmsg+0xd6/0x190 [ 50.494325] [] ? SyS_shutdown+0x1b0/0x1b0 [ 50.500100] [] ? __do_page_fault+0x5ec/0xd40 [ 50.506131] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 50.512069] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 50.518626] [] do_fast_syscall_32+0x2f7/0x890 [ 50.524746] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.531382] [] entry_SYSENTER_compat+0x74/0x83 [ 50.538680] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3356 [ 50.547408] caller is __this_cpu_preempt_check+0x1c/0x20 [ 50.552855] CPU: 1 PID: 3356 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 50.560527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.569849] ffff8801c7eb7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 50.577813] ffffffff83f44900 ffff8801c9139800 0000000000000003 ffff8801c7eb76a8 [ 50.585787] ffffffff81dfa714 ffff8801c7eb76c0 ffffffff83f44900 dffffc0000000000 [ 50.593747] Call Trace: [ 50.596305] [] dump_stack+0xc1/0x128 [ 50.601639] [] check_preemption_disabled+0x1d4/0x200 [ 50.608361] [] __this_cpu_preempt_check+0x1c/0x20 [ 50.614822] [] ipcomp_init_state+0x188/0x930 [ 50.620849] [] ? __lock_is_held+0xa1/0xf0 [ 50.626615] [] ipcomp4_init_state+0xb0/0x7d0 [ 50.632645] [] __xfrm_init_state+0x3e7/0xb30 [ 50.638673] [] xfrm_init_state+0x1a/0x20 [ 50.644354] [] pfkey_add+0x1fb9/0x3470 [ 50.649861] [] ? pfkey_delete+0x360/0x360 [ 50.655637] [] ? pfkey_seq_stop+0x80/0x80 [ 50.661411] [] ? __skb_clone+0x24a/0x7d0 [ 50.667088] [] ? pfkey_delete+0x360/0x360 [ 50.672861] [] pfkey_process+0x61e/0x730 [ 50.678540] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 50.685349] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 50.692155] [] pfkey_sendmsg+0x3a9/0x760 [ 50.697842] [] ? pfkey_spdget+0x820/0x820 [ 50.703609] [] sock_sendmsg+0xca/0x110 [ 50.709124] [] ___sys_sendmsg+0x6d1/0x7e0 [ 50.714891] [] ? copy_msghdr_from_user+0x550/0x550 [ 50.721440] [] ? __lru_cache_add+0x187/0x250 [ 50.727473] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 50.734552] [] ? _raw_spin_unlock+0x2c/0x50 [ 50.740492] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 50.747558] [] ? handle_mm_fault+0x6ee/0x2530 [ 50.753672] [] ? __fget_light+0x158/0x1e0 [ 50.759437] [] ? __fdget+0x18/0x20 [ 50.764605] [] ? sockfd_lookup_light+0x118/0x160 [ 50.770990] [] __sys_sendmsg+0xd6/0x190 [ 50.776589] [] ? SyS_shutdown+0x1b0/0x1b0 [ 50.782356] [] ? __do_page_fault+0x5ec/0xd40 [ 50.788383] [] compat_SyS_sendmsg+0x2a/0x40 [ 50.794323] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 50.800874] [] do_fast_syscall_32+0x2f7/0x890 [ 50.806989] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.813635] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.064823] check_preemption_disabled: 1129 callbacks suppressed [ 53.064830] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller683462/3355 [ 53.079698] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.085154] CPU: 0 PID: 3355 Comm: syzkaller683462 Not tainted 4.9.76-gf0f6293 #22 [ 53.092856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.102189] ffff8801c7f27668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 53.110159] ffffffff83f44900 ffff8801c9d8e000 0000000000000003 ffff8801c7f276a8 [ 53.118121] ffffffff81dfa714 ffff8801c7f276c0 ffffffff83f44900 dffffc0000000000 [ 53.126122] Call Trace: [ 53.128691] [] dump_stack+0xc1/0x128 [ 53.134028] [] check_preemption_disabled+0x1d4/0x200 [ 53.140752] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.147224] [] ipcomp_init_state+0x188/0x930 [ 53.153253] [] ? __lock_is_held+0xa1/0xf0 [ 53.159019] [] ipcomp4_init_state+0xb0/0x7d0 [ 53.165051] [] __xfrm_init_state+0x3e7/0xb30 [ 53.171081] [] xfrm_init_state+0x1a/0x20 [ 53.176762] [] pfkey_add+0x1fb9/0x3470 [ 53.182270] [] ? pfkey_delete+0x360/0x360 [ 53.188035] [] ? pfkey_seq_stop+0x80/0x80 [ 53.193801] [] ? __skb_clone+0x24a/0x7d0 [ 53.199479] [] ? pfkey_delete+0x360/0x360 [ 53.205246] [] pfkey_process+0x61e/0x730 [ 53.210927] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 53.217735] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.224543] [] pfkey_sendmsg+0x3a9/0x760 [ 53.230222] [] ? pfkey_spdget+0x820/0x820 [ 53.235991] [] sock_sendmsg+0xca/0x110 [ 53.241497] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.247264] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.253815] [] ? __lru_cache_add+0x187/0x250 [ 53.259854] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.266929] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.272870] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.279940] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.286058] [] ? __fget_light+0x158/0x1e0 [ 53.291831] [] ? __fdget+0x18/0x20 [ 53.297010] [] ? sockfd_lookup_light+0x118/0x160 [ 53.303385] [] __sys_sendmsg+0xd6/0x190 [ 53.308979] [