[....] Starting enhanced syslogd: rsyslogd[ 13.442331] audit: type=1400 audit(1515916601.254:4): avc: denied { syslog } for pid=3185 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 27.638409] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 27.647200] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.652642] CPU: 1 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 27.660314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.669639] ffff8801c96ef658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 27.677583] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 27.685530] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 27.693470] Call Trace: [ 27.696024] [] dump_stack+0xc1/0x128 [ 27.701352] [] check_preemption_disabled+0x1d4/0x200 [ 27.708073] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.714532] [] ipcomp_init_state+0x188/0x930 [ 27.720569] [] ? __lock_is_held+0xa1/0xf0 [ 27.726349] [] ipcomp6_init_state+0xb5/0x820 [ 27.732395] [] ? __xfrm_init_state+0x363/0xb30 [ 27.738602] [] __xfrm_init_state+0x3e7/0xb30 [ 27.744631] [] xfrm_init_state+0x1a/0x20 [ 27.750309] [] pfkey_add+0x1fb9/0x3470 [ 27.755809] [] ? pfkey_delete+0x360/0x360 [ 27.761569] [] ? pfkey_seq_stop+0x80/0x80 [ 27.767330] [] ? __skb_clone+0x24a/0x7d0 [ 27.773005] [] ? pfkey_delete+0x360/0x360 [ 27.778771] [] pfkey_process+0x61e/0x730 [ 27.784451] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.791259] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.798069] [] pfkey_sendmsg+0x3a9/0x760 [ 27.803743] [] ? pfkey_spdget+0x820/0x820 [ 27.809504] [] sock_sendmsg+0xca/0x110 [ 27.815004] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.820765] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.827309] [] ? __lock_is_held+0xa1/0xf0 [ 27.833079] [] ? __lru_cache_add+0x187/0x250 [ 27.839099] [] ? lru_cache_add+0xd9/0x1e0 [ 27.844860] [] ? handle_mm_fault+0xb12/0x2530 [ 27.850975] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.856918] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.863026] [] ? __fget_light+0x158/0x1e0 [ 27.868796] [] ? __fdget+0x18/0x20 [ 27.873953] [] ? sockfd_lookup_light+0x118/0x160 [ 27.880320] [] __sys_sendmsg+0xd6/0x190 executing program [ 27.885914] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.891675] [] ? __do_page_fault+0x5ec/0xd40 [ 27.897698] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.903635] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.910176] [] do_fast_syscall_32+0x2f7/0x890 [ 27.916289] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.922919] [] entry_SYSENTER_compat+0x74/0x83 [ 27.930920] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 27.939716] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.945172] CPU: 1 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 27.952850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.962173] ffff8801c96ef658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 27.970125] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 27.978068] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 27.986008] Call Trace: [ 27.988575] [] dump_stack+0xc1/0x128 [ 27.993905] [] check_preemption_disabled+0x1d4/0x200 [ 28.000620] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.007178] [] ipcomp_init_state+0x188/0x930 [ 28.013203] [] ? __lock_is_held+0xa1/0xf0 [ 28.018965] [] ipcomp6_init_state+0xb5/0x820 [ 28.024993] [] ? __xfrm_init_state+0x363/0xb30 [ 28.031194] [] __xfrm_init_state+0x3e7/0xb30 [ 28.037216] [] xfrm_init_state+0x1a/0x20 [ 28.042890] [] pfkey_add+0x1fb9/0x3470 [ 28.048388] [] ? pfkey_delete+0x360/0x360 [ 28.054149] [] ? pfkey_seq_stop+0x80/0x80 [ 28.059915] [] ? __skb_clone+0x24a/0x7d0 [ 28.065590] [] ? pfkey_delete+0x360/0x360 [ 28.071348] [] pfkey_process+0x61e/0x730 [ 28.077021] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.083824] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.090624] [] pfkey_sendmsg+0x3a9/0x760 [ 28.096295] [] ? pfkey_spdget+0x820/0x820 [ 28.102064] [] sock_sendmsg+0xca/0x110 [ 28.107565] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.113328] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.119869] [] ? __lock_is_held+0xa1/0xf0 [ 28.125633] [] ? __lru_cache_add+0x187/0x250 [ 28.131653] [] ? lru_cache_add+0xd9/0x1e0 [ 28.137414] [] ? handle_mm_fault+0xb12/0x2530 [ 28.143521] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.149452] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.155559] [] ? __fget_light+0x158/0x1e0 [ 28.161319] [] ? __fdget+0x18/0x20 [ 28.166469] [] ? sockfd_lookup_light+0x118/0x160 [ 28.172835] [] __sys_sendmsg+0xd6/0x190 [ 28.178423] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.184184] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 28.190205] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.196144] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.202685] [] do_fast_syscall_32+0x2f7/0x890 [ 28.208797] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.215433] [] entry_SYSENTER_compat+0x74/0x83 [ 28.223221] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 28.231903] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.237317] CPU: 1 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 28.244984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.254309] ffff8801c96ef658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 28.262256] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 28.270294] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 28.278233] Call Trace: [ 28.280788] [] dump_stack+0xc1/0x128 [ 28.286120] [] check_preemption_disabled+0x1d4/0x200 [ 28.292844] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.299301] [] ipcomp_init_state+0x188/0x930 [ 28.305325] [] ? __lock_is_held+0xa1/0xf0 [ 28.311087] [] ipcomp6_init_state+0xb5/0x820 [ 28.317478] [] ? __xfrm_init_state+0x363/0xb30 [ 28.323672] [] __xfrm_init_state+0x3e7/0xb30 [ 28.329691] [] xfrm_init_state+0x1a/0x20 [ 28.335365] [] pfkey_add+0x1fb9/0x3470 [ 28.340861] [] ? pfkey_delete+0x360/0x360 [ 28.346619] [] ? pfkey_seq_stop+0x80/0x80 [ 28.352389] [] ? __skb_clone+0x24a/0x7d0 [ 28.358060] [] ? pfkey_delete+0x360/0x360 [ 28.363818] [] pfkey_process+0x61e/0x730 [ 28.369489] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.376290] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.383092] [] pfkey_sendmsg+0x3a9/0x760 [ 28.388763] [] ? pfkey_spdget+0x820/0x820 [ 28.394522] [] sock_sendmsg+0xca/0x110 [ 28.400022] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.405781] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.412321] [] ? __lock_is_held+0xa1/0xf0 [ 28.418083] [] ? __lru_cache_add+0x187/0x250 [ 28.424111] [] ? lru_cache_add+0xd9/0x1e0 [ 28.429870] [] ? handle_mm_fault+0xb12/0x2530 [ 28.435977] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.441907] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.448012] [] ? __fget_light+0x158/0x1e0 [ 28.453772] [] ? __fdget+0x18/0x20 [ 28.458925] [] ? sockfd_lookup_light+0x118/0x160 [ 28.465300] [] __sys_sendmsg+0xd6/0x190 [ 28.470892] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.476656] [] ? __do_page_fault+0x5ec/0xd40 [ 28.483256] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 28.489193] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.495741] [] do_fast_syscall_32+0x2f7/0x890 [ 28.501848] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.508477] [] entry_SYSENTER_compat+0x74/0x83 [ 28.516793] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 28.525504] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.530922] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 28.538591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.547909] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.555857] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 28.563805] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 28.571759] Call Trace: [ 28.574315] [] dump_stack+0xc1/0x128 [ 28.579648] [] check_preemption_disabled+0x1d4/0x200 [ 28.586365] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.592821] [] ipcomp_init_state+0x188/0x930 [ 28.598843] [] ? __lock_is_held+0xa1/0xf0 [ 28.604603] [] ipcomp6_init_state+0xb5/0x820 [ 28.610624] [] ? __xfrm_init_state+0x363/0xb30 [ 28.616820] [] __xfrm_init_state+0x3e7/0xb30 [ 28.622842] [] xfrm_init_state+0x1a/0x20 [ 28.628518] [] pfkey_add+0x1fb9/0x3470 [ 28.634018] [] ? pfkey_delete+0x360/0x360 [ 28.639779] [] ? pfkey_seq_stop+0x80/0x80 [ 28.645543] [] ? __skb_clone+0x24a/0x7d0 [ 28.651219] [] ? pfkey_delete+0x360/0x360 [ 28.656980] [] pfkey_process+0x61e/0x730 [ 28.662666] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.669481] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.676287] [] pfkey_sendmsg+0x3a9/0x760 [ 28.681962] [] ? pfkey_spdget+0x820/0x820 [ 28.687726] [] sock_sendmsg+0xca/0x110 [ 28.693314] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.699076] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.705623] [] ? __lock_is_held+0xa1/0xf0 [ 28.711386] [] ? __lru_cache_add+0x187/0x250 [ 28.717410] [] ? lru_cache_add+0xd9/0x1e0 [ 28.723184] [] ? handle_mm_fault+0xb12/0x2530 [ 28.729295] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.735230] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.741340] [] ? __fget_light+0x158/0x1e0 [ 28.747102] [] ? __fdget+0x18/0x20 [ 28.752258] [] ? sockfd_lookup_light+0x118/0x160 [ 28.758627] [] __sys_sendmsg+0xd6/0x190 [ 28.764214] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.769977] [] ? __do_page_fault+0x5ec/0xd40 [ 28.776003] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.781938] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 28.788482] [] do_fast_syscall_32+0x2f7/0x890 [ 28.794593] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.801226] [] entry_SYSENTER_compat+0x74/0x83 [ 28.809608] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 28.818296] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.823748] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 28.831419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.840742] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.848690] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 28.856637] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 28.864583] Call Trace: [ 28.867139] [] dump_stack+0xc1/0x128 [ 28.872469] [] check_preemption_disabled+0x1d4/0x200 [ 28.879186] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.885644] [] ipcomp_init_state+0x188/0x930 [ 28.891672] [] ? __lock_is_held+0xa1/0xf0 [ 28.897434] [] ipcomp6_init_state+0xb5/0x820 [ 28.903457] [] ? __xfrm_init_state+0x363/0xb30 [ 28.909653] [] __xfrm_init_state+0x3e7/0xb30 [ 28.915675] [] xfrm_init_state+0x1a/0x20 [ 28.921360] [] pfkey_add+0x1fb9/0x3470 [ 28.926865] [] ? pfkey_delete+0x360/0x360 [ 28.932625] [] ? pfkey_seq_stop+0x80/0x80 [ 28.938391] [] ? __skb_clone+0x24a/0x7d0 [ 28.944068] [] ? pfkey_delete+0x360/0x360 [ 28.949829] [] pfkey_process+0x61e/0x730 [ 28.955516] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.962323] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.969128] [] pfkey_sendmsg+0x3a9/0x760 [ 28.974803] [] ? pfkey_spdget+0x820/0x820 [ 28.980566] [] sock_sendmsg+0xca/0x110 [ 28.986073] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.991837] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.998383] [] ? __lock_is_held+0xa1/0xf0 [ 29.004164] [] ? __lru_cache_add+0x187/0x250 [ 29.010185] [] ? lru_cache_add+0xd9/0x1e0 [ 29.015947] [] ? handle_mm_fault+0xb12/0x2530 [ 29.022059] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.027994] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.034103] [] ? __fget_light+0x158/0x1e0 [ 29.039865] [] ? __fdget+0x18/0x20 [ 29.045021] [] ? sockfd_lookup_light+0x118/0x160 [ 29.051391] [] __sys_sendmsg+0xd6/0x190 [ 29.056979] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.062742] [] ? __do_page_fault+0x5ec/0xd40 [ 29.068783] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.074720] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.081265] [] do_fast_syscall_32+0x2f7/0x890 [ 29.087374] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 29.094013] [] entry_SYSENTER_compat+0x74/0x83 [ 29.102698] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 29.111389] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.116810] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 29.124480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.133803] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 29.141755] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 29.149697] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 29.157645] Call Trace: [ 29.160204] [] dump_stack+0xc1/0x128 [ 29.165535] [] check_preemption_disabled+0x1d4/0x200 [ 29.172253] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.178713] [] ipcomp_init_state+0x188/0x930 [ 29.184737] [] ? __lock_is_held+0xa1/0xf0 [ 29.190500] [] ipcomp6_init_state+0xb5/0x820 [ 29.196520] [] ? __xfrm_init_state+0x363/0xb30 [ 29.202714] [] __xfrm_init_state+0x3e7/0xb30 [ 29.208734] [] xfrm_init_state+0x1a/0x20 [ 29.214411] [] pfkey_add+0x1fb9/0x3470 [ 29.219914] [] ? pfkey_delete+0x360/0x360 [ 29.225675] [] ? pfkey_seq_stop+0x80/0x80 [ 29.231441] [] ? __skb_clone+0x24a/0x7d0 [ 29.237115] [] ? pfkey_delete+0x360/0x360 [ 29.242876] [] pfkey_process+0x61e/0x730 [ 29.248550] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.255358] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.262161] [] pfkey_sendmsg+0x3a9/0x760 [ 29.267838] [] ? pfkey_spdget+0x820/0x820 [ 29.273601] [] sock_sendmsg+0xca/0x110 [ 29.279102] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.284863] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.291414] [] ? __lock_is_held+0xa1/0xf0 [ 29.297187] [] ? __lru_cache_add+0x187/0x250 [ 29.303208] [] ? lru_cache_add+0xd9/0x1e0 [ 29.308968] [] ? handle_mm_fault+0xb12/0x2530 [ 29.315093] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.321027] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.327153] [] ? __fget_light+0x158/0x1e0 [ 29.332913] [] ? __fdget+0x18/0x20 [ 29.338067] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 29.344437] [] __sys_sendmsg+0xd6/0x190 [ 29.350024] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.356151] [] ? __do_page_fault+0x5ec/0xd40 [ 29.362181] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.368117] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.374660] [] do_fast_syscall_32+0x2f7/0x890 [ 29.380767] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.387411] [] entry_SYSENTER_compat+0x74/0x83 [ 29.395836] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 29.404548] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.409969] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 29.417646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.426965] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 29.434912] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 29.442863] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 29.450811] Call Trace: [ 29.453367] [] dump_stack+0xc1/0x128 [ 29.458696] [] check_preemption_disabled+0x1d4/0x200 [ 29.465500] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.471960] [] ipcomp_init_state+0x188/0x930 [ 29.477985] [] ? __lock_is_held+0xa1/0xf0 [ 29.483921] [] ipcomp6_init_state+0xb5/0x820 [ 29.489948] [] ? __xfrm_init_state+0x363/0xb30 [ 29.496142] [] __xfrm_init_state+0x3e7/0xb30 [ 29.502180] [] xfrm_init_state+0x1a/0x20 [ 29.507874] [] pfkey_add+0x1fb9/0x3470 [ 29.513390] [] ? pfkey_delete+0x360/0x360 [ 29.519153] [] ? pfkey_seq_stop+0x80/0x80 [ 29.524917] [] ? __skb_clone+0x24a/0x7d0 [ 29.530598] [] ? pfkey_delete+0x360/0x360 [ 29.536360] [] pfkey_process+0x61e/0x730 [ 29.542036] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.548846] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.555749] [] pfkey_sendmsg+0x3a9/0x760 [ 29.561420] [] ? pfkey_spdget+0x820/0x820 [ 29.567185] [] sock_sendmsg+0xca/0x110 [ 29.572687] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.578461] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.585027] [] ? __lock_is_held+0xa1/0xf0 [ 29.590793] [] ? __lru_cache_add+0x187/0x250 [ 29.596813] [] ? lru_cache_add+0xd9/0x1e0 [ 29.602585] [] ? handle_mm_fault+0xb12/0x2530 [ 29.608703] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.614640] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.620751] [] ? __fget_light+0x158/0x1e0 [ 29.626513] [] ? __fdget+0x18/0x20 [ 29.631676] [] ? sockfd_lookup_light+0x118/0x160 [ 29.638044] [] __sys_sendmsg+0xd6/0x190 executing program [ 29.643633] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.649394] [] ? __do_page_fault+0x5ec/0xd40 [ 29.655428] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.661362] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.667906] [] do_fast_syscall_32+0x2f7/0x890 [ 29.674018] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.680653] [] entry_SYSENTER_compat+0x74/0x83 [ 29.689098] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 29.697780] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.703245] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 29.710917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.720236] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 29.728198] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 29.736136] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 29.744089] Call Trace: [ 29.746646] [] dump_stack+0xc1/0x128 [ 29.752000] [] check_preemption_disabled+0x1d4/0x200 [ 29.758727] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.765195] [] ipcomp_init_state+0x188/0x930 [ 29.771223] [] ? __lock_is_held+0xa1/0xf0 [ 29.776988] [] ipcomp6_init_state+0xb5/0x820 [ 29.783012] [] ? __xfrm_init_state+0x363/0xb30 [ 29.789209] [] __xfrm_init_state+0x3e7/0xb30 [ 29.795231] [] xfrm_init_state+0x1a/0x20 [ 29.800907] [] pfkey_add+0x1fb9/0x3470 [ 29.806416] [] ? pfkey_delete+0x360/0x360 [ 29.812179] [] ? pfkey_seq_stop+0x80/0x80 [ 29.817953] [] ? __skb_clone+0x24a/0x7d0 [ 29.823642] [] ? pfkey_delete+0x360/0x360 [ 29.829407] [] pfkey_process+0x61e/0x730 [ 29.835085] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.841901] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.848706] [] pfkey_sendmsg+0x3a9/0x760 [ 29.854391] [] ? pfkey_spdget+0x820/0x820 [ 29.860251] [] sock_sendmsg+0xca/0x110 [ 29.865755] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.871522] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.878075] [] ? __lock_is_held+0xa1/0xf0 [ 29.883849] [] ? __lru_cache_add+0x187/0x250 [ 29.889873] [] ? lru_cache_add+0xd9/0x1e0 [ 29.895645] [] ? handle_mm_fault+0xb12/0x2530 [ 29.901761] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.907704] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.913821] [] ? __fget_light+0x158/0x1e0 [ 29.919589] [] ? __fdget+0x18/0x20 [ 29.924758] [] ? sockfd_lookup_light+0x118/0x160 [ 29.931139] [] __sys_sendmsg+0xd6/0x190 [ 29.936743] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.942528] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 29.948561] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.954510] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.961060] [] do_fast_syscall_32+0x2f7/0x890 [ 29.967174] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.973807] [] entry_SYSENTER_compat+0x74/0x83 [ 29.982167] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 29.990826] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.996280] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 30.003965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.013295] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 30.021275] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 30.029260] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 30.037243] Call Trace: [ 30.039808] [] dump_stack+0xc1/0x128 [ 30.045161] [] check_preemption_disabled+0x1d4/0x200 [ 30.051894] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.058355] [] ipcomp_init_state+0x188/0x930 [ 30.064382] [] ? __lock_is_held+0xa1/0xf0 [ 30.070148] [] ipcomp6_init_state+0xb5/0x820 [ 30.076171] [] ? __xfrm_init_state+0x363/0xb30 [ 30.082369] [] __xfrm_init_state+0x3e7/0xb30 [ 30.088398] [] xfrm_init_state+0x1a/0x20 [ 30.094086] [] pfkey_add+0x1fb9/0x3470 [ 30.099591] [] ? pfkey_delete+0x360/0x360 [ 30.105354] [] ? pfkey_seq_stop+0x80/0x80 [ 30.111117] [] ? __skb_clone+0x24a/0x7d0 [ 30.116792] [] ? pfkey_delete+0x360/0x360 [ 30.122553] [] pfkey_process+0x61e/0x730 [ 30.128237] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.135041] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.141847] [] pfkey_sendmsg+0x3a9/0x760 [ 30.147523] [] ? pfkey_spdget+0x820/0x820 [ 30.153286] [] sock_sendmsg+0xca/0x110 [ 30.158795] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.164559] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.171112] [] ? __lock_is_held+0xa1/0xf0 [ 30.176883] [] ? __lru_cache_add+0x187/0x250 [ 30.182905] [] ? lru_cache_add+0xd9/0x1e0 [ 30.188665] [] ? handle_mm_fault+0xb12/0x2530 [ 30.194777] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.200712] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.206830] [] ? __fget_light+0x158/0x1e0 [ 30.212596] [] ? __fdget+0x18/0x20 [ 30.217750] [] ? sockfd_lookup_light+0x118/0x160 [ 30.224121] [] __sys_sendmsg+0xd6/0x190 [ 30.229707] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.235477] [] ? __do_page_fault+0x5ec/0xd40 [ 30.241503] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 30.247439] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.253984] [] do_fast_syscall_32+0x2f7/0x890 [ 30.260094] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.266735] [] entry_SYSENTER_compat+0x74/0x83 [ 30.274959] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller034244/3341 [ 30.283652] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.289076] CPU: 0 PID: 3341 Comm: syzkaller034244 Not tainted 4.9.76-g8e170a5 #21 [ 30.296753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.306075] ffff8801c96ef658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 30.314050] ffffffff83f44900 ffff8801c96e0000 0000000000000003 ffff8801c96ef698 [ 30.322001] ffffffff81dfa714 ffff8801c96ef6b0 ffffffff83f44900 dffffc0000000000 [ 30.329964] Call Trace: [ 30.332522] [] dump_stack+0xc1/0x128 [ 30.337852] [] check_preemption_disabled+0x1d4/0x200 [ 30.344575] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.351037] [] ipcomp_init_state+0x188/0x930 [ 30.357070] [] ? __lock_is_held+0xa1/0xf0 [ 30.362844] [] ipcomp6_init_state+0xb5/0x820 [ 30.368869] [] ? __xfrm_init_state+0x363/0xb30 [ 30.375074] [] __xfrm_init_state+0x3e7/0xb30 [ 30.381097] [] xfrm_init_state+0x1a/0x20 [ 30.386775] [] pfkey_add+0x1fb9/0x3470 [ 30.392277] [] ? pfkey_delete+0x360/0x360 [ 30.398049] [] ? pfkey_seq_stop+0x80/0x80 [ 30.403817] [] ? __skb_clone+0x24a/0x7d0 [ 30.409495] [] ? pfkey_delete+0x360/0x360 [ 30.415257] [] pfkey_process+0x61e/0x730 [ 30.420933] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.427741] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.434559] [] pfkey_sendmsg+0x3a9/0x760 [ 30.440234] [] ? pfkey_spdget+0x820/0x820 [ 30.445998] [] sock_sendmsg+0xca/0x110 [ 30.451500] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.457261] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.463808] [] ? __lock_is_held+0xa1/0xf0 [ 30.469574] [] ? __lru_cache_add+0x187/0x250 [ 30.475598] [] ? lru_cache_add+0xd9/0x1e0 [ 30.482225] [] ? handle_mm_fault+0xb12/0x2530 [ 30.488342] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.494279] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.500398] [] ? __fget_light+0x158/0x1e0 [ 30.506161] [] ? __fdget+0x18/0x20 [ 30.511321] [] ? sockfd_lookup_light+0x118/0x160 [ 30.517693] [] __sys_sendmsg+0xd6/0x190 [ 30.523282] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.529046] [] ? __do_page_fault+0x5ec/0xd40 [ 30.535072] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.541010] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.547559] [] do_fast_syscall_32+0x2f7/0x890 [ 30.553668] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.560305] [] 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