[....] Starting enhanced syslogd: rsyslogd[ 10.788197] audit: type=1400 audit(1515809152.814:4): avc: denied { syslog } for pid=3174 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 25.680673] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 25.682025] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.682757] CPU: 1 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 25.683798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.685049] ffff8801c932f6c8 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 25.686178] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 25.687319] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 25.688508] Call Trace: [ 25.688874] [] dump_stack+0xc1/0x128 [ 25.689584] [] check_preemption_disabled+0x1d4/0x200 [ 25.690471] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.691361] [] ipcomp_init_state+0x188/0x930 [ 25.692163] [] ? __lock_is_held+0xa1/0xf0 [ 25.692949] [] ipcomp6_init_state+0xb5/0x820 [ 25.693746] [] ? __xfrm_init_state+0x363/0xb30 [ 25.694568] [] __xfrm_init_state+0x3e7/0xb30 [ 25.695427] [] xfrm_init_state+0x1a/0x20 [ 25.696218] [] pfkey_add+0x1fb9/0x3470 [ 25.696969] [] ? pfkey_delete+0x360/0x360 [ 25.697735] [] ? pfkey_seq_stop+0x80/0x80 [ 25.698503] [] ? __skb_clone+0x24a/0x7d0 [ 25.699255] [] ? pfkey_delete+0x360/0x360 [ 25.700050] [] pfkey_process+0x61e/0x730 [ 25.700803] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.701713] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.708536] [] pfkey_sendmsg+0x3a9/0x760 [ 25.714210] [] ? pfkey_spdget+0x820/0x820 [ 25.719977] [] sock_sendmsg+0xca/0x110 [ 25.725483] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.731263] [] ? copy_msghdr_from_user+0x550/0x550 [ 25.737822] [] ? __lru_cache_add+0x187/0x250 [ 25.743844] [] ? lru_cache_add+0xd9/0x1e0 [ 25.749608] [] ? handle_mm_fault+0xb12/0x2530 [ 25.755722] [] ? _raw_spin_unlock+0x2c/0x50 [ 25.761659] [] ? handle_mm_fault+0x6ee/0x2530 [ 25.767771] [] ? __lock_is_held+0xa1/0xf0 [ 25.773534] [] ? __pmd_alloc+0x410/0x410 [ 25.779212] [] ? __fget_light+0x158/0x1e0 [ 25.784974] [] ? __fdget+0x18/0x20 [ 25.790130] [] __sys_sendmsg+0xd6/0x190 [ 25.795719] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.801482] [] ? __do_page_fault+0x5ec/0xd40 [ 25.807522] [] ? __do_page_fault+0x3bd/0xd40 [ 25.813548] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.820355] [] SyS_sendmsg+0x2d/0x50 executing program [ 25.825710] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 25.834899] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 25.843873] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.849315] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 25.857006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.866333] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 25.874289] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 25.882247] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 25.890204] Call Trace: [ 25.892764] [] dump_stack+0xc1/0x128 [ 25.898099] [] check_preemption_disabled+0x1d4/0x200 [ 25.904827] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.911303] [] ipcomp_init_state+0x188/0x930 [ 25.917347] [] ? __lock_is_held+0xa1/0xf0 [ 25.923130] [] ipcomp6_init_state+0xb5/0x820 [ 25.929169] [] ? __xfrm_init_state+0x363/0xb30 [ 25.935377] [] __xfrm_init_state+0x3e7/0xb30 [ 25.941404] [] xfrm_init_state+0x1a/0x20 [ 25.947083] [] pfkey_add+0x1fb9/0x3470 [ 25.952589] [] ? pfkey_delete+0x360/0x360 [ 25.958443] [] ? pfkey_seq_stop+0x80/0x80 [ 25.964209] [] ? __skb_clone+0x24a/0x7d0 [ 25.969894] [] ? pfkey_delete+0x360/0x360 [ 25.975659] [] pfkey_process+0x61e/0x730 [ 25.981352] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.988165] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.994983] [] pfkey_sendmsg+0x3a9/0x760 [ 26.000665] [] ? pfkey_spdget+0x820/0x820 [ 26.006435] [] sock_sendmsg+0xca/0x110 [ 26.011956] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.017724] [] ? copy_msghdr_from_user+0x550/0x550 [ 26.024277] [] ? __lru_cache_add+0x187/0x250 [ 26.030312] [] ? lru_cache_add+0xd9/0x1e0 [ 26.036076] [] ? handle_mm_fault+0xb12/0x2530 [ 26.042192] [] ? _raw_spin_unlock+0x2c/0x50 [ 26.048130] [] ? handle_mm_fault+0x6ee/0x2530 [ 26.054253] [] ? __lock_is_held+0xa1/0xf0 [ 26.060026] [] ? __pmd_alloc+0x410/0x410 [ 26.065704] [] ? __fget_light+0x158/0x1e0 [ 26.071469] [] ? __fdget+0x18/0x20 [ 26.076627] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.082216] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.087987] [] ? __do_page_fault+0x5ec/0xd40 [ 26.094013] [] ? __do_page_fault+0x3bd/0xd40 [ 26.100039] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.106846] [] SyS_sendmsg+0x2d/0x50 [ 26.112178] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 26.120276] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 26.128988] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.134440] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 26.142124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.151451] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 26.159427] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 26.167404] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 26.175372] Call Trace: [ 26.177930] [] dump_stack+0xc1/0x128 [ 26.183263] [] check_preemption_disabled+0x1d4/0x200 [ 26.189982] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.196451] [] ipcomp_init_state+0x188/0x930 [ 26.202475] [] ? __lock_is_held+0xa1/0xf0 [ 26.208238] [] ipcomp6_init_state+0xb5/0x820 [ 26.214262] [] ? __xfrm_init_state+0x363/0xb30 [ 26.220458] [] __xfrm_init_state+0x3e7/0xb30 [ 26.226485] [] xfrm_init_state+0x1a/0x20 [ 26.232163] [] pfkey_add+0x1fb9/0x3470 [ 26.237667] [] ? pfkey_delete+0x360/0x360 [ 26.243428] [] ? pfkey_seq_stop+0x80/0x80 [ 26.249191] [] ? __skb_clone+0x24a/0x7d0 [ 26.254871] [] ? pfkey_delete+0x360/0x360 [ 26.260637] [] pfkey_process+0x61e/0x730 [ 26.266320] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.273134] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.279941] [] pfkey_sendmsg+0x3a9/0x760 [ 26.285621] [] ? pfkey_spdget+0x820/0x820 [ 26.291387] [] sock_sendmsg+0xca/0x110 [ 26.296909] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.302685] [] ? copy_msghdr_from_user+0x550/0x550 [ 26.309244] [] ? __lru_cache_add+0x187/0x250 [ 26.315272] [] ? lru_cache_add+0xd9/0x1e0 [ 26.321040] [] ? handle_mm_fault+0xb12/0x2530 [ 26.327230] [] ? _raw_spin_unlock+0x2c/0x50 [ 26.333167] [] ? handle_mm_fault+0x6ee/0x2530 [ 26.339288] [] ? __lock_is_held+0xa1/0xf0 [ 26.345059] [] ? __pmd_alloc+0x410/0x410 [ 26.350741] [] ? __fget_light+0x158/0x1e0 [ 26.356520] [] ? __fdget+0x18/0x20 [ 26.361696] [] __sys_sendmsg+0xd6/0x190 [ 26.367287] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.373051] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 26.379085] [] ? __do_page_fault+0x3bd/0xd40 [ 26.385136] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.391941] [] SyS_sendmsg+0x2d/0x50 [ 26.397272] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 26.405279] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 26.413974] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.419397] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 26.427069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.436391] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 26.444349] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 26.452313] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 26.460274] Call Trace: [ 26.462829] [] dump_stack+0xc1/0x128 [ 26.468172] [] check_preemption_disabled+0x1d4/0x200 [ 26.474903] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.481362] [] ipcomp_init_state+0x188/0x930 [ 26.487387] [] ? __lock_is_held+0xa1/0xf0 [ 26.493147] [] ipcomp6_init_state+0xb5/0x820 [ 26.499171] [] ? __xfrm_init_state+0x363/0xb30 [ 26.505367] [] __xfrm_init_state+0x3e7/0xb30 [ 26.511393] [] xfrm_init_state+0x1a/0x20 [ 26.517080] [] pfkey_add+0x1fb9/0x3470 [ 26.522583] [] ? pfkey_delete+0x360/0x360 [ 26.528345] [] ? pfkey_seq_stop+0x80/0x80 [ 26.534108] [] ? __skb_clone+0x24a/0x7d0 [ 26.539783] [] ? pfkey_delete+0x360/0x360 [ 26.545548] [] pfkey_process+0x61e/0x730 [ 26.551225] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.558031] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.564838] [] pfkey_sendmsg+0x3a9/0x760 [ 26.570517] [] ? pfkey_spdget+0x820/0x820 [ 26.576283] [] sock_sendmsg+0xca/0x110 [ 26.581786] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.587550] [] ? copy_msghdr_from_user+0x550/0x550 [ 26.594096] [] ? __lru_cache_add+0x187/0x250 [ 26.600121] [] ? lru_cache_add+0xd9/0x1e0 [ 26.605894] [] ? handle_mm_fault+0xb12/0x2530 [ 26.612005] [] ? _raw_spin_unlock+0x2c/0x50 [ 26.617945] [] ? handle_mm_fault+0x6ee/0x2530 [ 26.624067] [] ? __lock_is_held+0xa1/0xf0 [ 26.629834] [] ? __pmd_alloc+0x410/0x410 [ 26.635517] [] ? __fget_light+0x158/0x1e0 [ 26.641277] [] ? __fdget+0x18/0x20 [ 26.646434] [] __sys_sendmsg+0xd6/0x190 [ 26.652021] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.657785] [] ? __do_page_fault+0x5ec/0xd40 [ 26.663809] [] ? __do_page_fault+0x3bd/0xd40 [ 26.669839] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.676651] [] SyS_sendmsg+0x2d/0x50 executing program [ 26.681981] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 26.689962] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 26.698652] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.704117] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 26.711792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.721115] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 26.729082] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 26.737029] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 26.744981] Call Trace: [ 26.747537] [] dump_stack+0xc1/0x128 [ 26.752867] [] check_preemption_disabled+0x1d4/0x200 [ 26.759586] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.766044] [] ipcomp_init_state+0x188/0x930 [ 26.772256] [] ? __lock_is_held+0xa1/0xf0 [ 26.778019] [] ipcomp6_init_state+0xb5/0x820 [ 26.784041] [] ? __xfrm_init_state+0x363/0xb30 [ 26.790238] [] __xfrm_init_state+0x3e7/0xb30 [ 26.796263] [] xfrm_init_state+0x1a/0x20 [ 26.801949] [] pfkey_add+0x1fb9/0x3470 [ 26.807460] [] ? pfkey_delete+0x360/0x360 [ 26.813231] [] ? pfkey_seq_stop+0x80/0x80 [ 26.819003] [] ? __skb_clone+0x24a/0x7d0 [ 26.824681] [] ? pfkey_delete+0x360/0x360 [ 26.830444] [] pfkey_process+0x61e/0x730 [ 26.836122] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.842928] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.849747] [] pfkey_sendmsg+0x3a9/0x760 [ 26.855426] [] ? pfkey_spdget+0x820/0x820 [ 26.861194] [] sock_sendmsg+0xca/0x110 [ 26.866714] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.872481] [] ? copy_msghdr_from_user+0x550/0x550 [ 26.879115] [] ? __lru_cache_add+0x187/0x250 [ 26.885140] [] ? lru_cache_add+0xd9/0x1e0 [ 26.890906] [] ? handle_mm_fault+0xb12/0x2530 [ 26.897020] [] ? _raw_spin_unlock+0x2c/0x50 [ 26.902956] [] ? handle_mm_fault+0x6ee/0x2530 [ 26.909067] [] ? __lock_is_held+0xa1/0xf0 [ 26.914915] [] ? __pmd_alloc+0x410/0x410 [ 26.920593] [] ? __fget_light+0x158/0x1e0 [ 26.926367] [] ? __fdget+0x18/0x20 executing program [ 26.931534] [] __sys_sendmsg+0xd6/0x190 [ 26.937125] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.942898] [] ? __do_page_fault+0x5ec/0xd40 [ 26.948921] [] ? __do_page_fault+0x3bd/0xd40 [ 26.954947] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.961751] [] SyS_sendmsg+0x2d/0x50 [ 26.967079] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 26.974962] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 26.983642] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.989071] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 26.996741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.006073] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.014028] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 27.023387] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 27.031349] Call Trace: [ 27.033905] [] dump_stack+0xc1/0x128 [ 27.039246] [] check_preemption_disabled+0x1d4/0x200 [ 27.045967] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.052427] [] ipcomp_init_state+0x188/0x930 [ 27.058453] [] ? __lock_is_held+0xa1/0xf0 [ 27.064216] [] ipcomp6_init_state+0xb5/0x820 [ 27.070250] [] ? __xfrm_init_state+0x363/0xb30 [ 27.076448] [] __xfrm_init_state+0x3e7/0xb30 [ 27.082469] [] xfrm_init_state+0x1a/0x20 [ 27.088145] [] pfkey_add+0x1fb9/0x3470 [ 27.093647] [] ? pfkey_delete+0x360/0x360 [ 27.099408] [] ? pfkey_seq_stop+0x80/0x80 [ 27.105174] [] ? __skb_clone+0x24a/0x7d0 [ 27.110850] [] ? pfkey_delete+0x360/0x360 [ 27.116615] [] pfkey_process+0x61e/0x730 [ 27.122293] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.129114] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.135922] [] pfkey_sendmsg+0x3a9/0x760 [ 27.141608] [] ? pfkey_spdget+0x820/0x820 [ 27.147375] [] sock_sendmsg+0xca/0x110 [ 27.152886] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.158652] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.165208] [] ? __lru_cache_add+0x187/0x250 [ 27.171232] [] ? lru_cache_add+0xd9/0x1e0 [ 27.177006] [] ? handle_mm_fault+0xb12/0x2530 [ 27.183129] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.189069] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.195182] [] ? __lock_is_held+0xa1/0xf0 [ 27.200946] [] ? __pmd_alloc+0x410/0x410 [ 27.206623] [] ? __fget_light+0x158/0x1e0 [ 27.212394] [] ? __fdget+0x18/0x20 [ 27.217553] [] __sys_sendmsg+0xd6/0x190 [ 27.223145] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.228912] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 27.234936] [] ? __do_page_fault+0x3bd/0xd40 [ 27.240973] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.247783] [] SyS_sendmsg+0x2d/0x50 [ 27.253115] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 27.260974] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 27.269666] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.275120] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 27.282796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.292128] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.300087] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 27.308061] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 27.316036] Call Trace: [ 27.318592] [] dump_stack+0xc1/0x128 [ 27.323923] [] check_preemption_disabled+0x1d4/0x200 [ 27.330641] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.337099] [] ipcomp_init_state+0x188/0x930 [ 27.343134] [] ? __lock_is_held+0xa1/0xf0 [ 27.348896] [] ipcomp6_init_state+0xb5/0x820 [ 27.355014] [] ? __xfrm_init_state+0x363/0xb30 [ 27.361308] [] __xfrm_init_state+0x3e7/0xb30 [ 27.367343] [] xfrm_init_state+0x1a/0x20 [ 27.373022] [] pfkey_add+0x1fb9/0x3470 [ 27.378522] [] ? pfkey_delete+0x360/0x360 [ 27.384282] [] ? pfkey_seq_stop+0x80/0x80 [ 27.390059] [] ? __skb_clone+0x24a/0x7d0 [ 27.395736] [] ? pfkey_delete+0x360/0x360 [ 27.401499] [] pfkey_process+0x61e/0x730 [ 27.407171] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.413975] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.420791] [] pfkey_sendmsg+0x3a9/0x760 [ 27.426466] [] ? pfkey_spdget+0x820/0x820 [ 27.432231] [] sock_sendmsg+0xca/0x110 [ 27.437730] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.443492] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.450037] [] ? __lru_cache_add+0x187/0x250 [ 27.456058] [] ? lru_cache_add+0xd9/0x1e0 [ 27.461820] [] ? handle_mm_fault+0xb12/0x2530 [ 27.467931] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.473869] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.479987] [] ? __lock_is_held+0xa1/0xf0 [ 27.485764] [] ? __pmd_alloc+0x410/0x410 [ 27.491444] [] ? __fget_light+0x158/0x1e0 [ 27.497205] [] ? __fdget+0x18/0x20 [ 27.502361] [] __sys_sendmsg+0xd6/0x190 [ 27.507956] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.513721] [] ? __do_page_fault+0x5ec/0xd40 [ 27.519747] [] ? __do_page_fault+0x3bd/0xd40 [ 27.525782] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.532587] [] SyS_sendmsg+0x2d/0x50 executing program [ 27.537916] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 27.545834] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 27.554535] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.559958] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 27.567629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.576952] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.584920] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 27.592872] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 27.600995] Call Trace: [ 27.603552] [] dump_stack+0xc1/0x128 [ 27.608881] [] check_preemption_disabled+0x1d4/0x200 [ 27.615602] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.622060] [] ipcomp_init_state+0x188/0x930 [ 27.628088] [] ? __lock_is_held+0xa1/0xf0 [ 27.633862] [] ipcomp6_init_state+0xb5/0x820 [ 27.639888] [] ? __xfrm_init_state+0x363/0xb30 [ 27.646083] [] __xfrm_init_state+0x3e7/0xb30 [ 27.652106] [] xfrm_init_state+0x1a/0x20 [ 27.657784] [] pfkey_add+0x1fb9/0x3470 [ 27.663287] [] ? pfkey_delete+0x360/0x360 [ 27.669063] [] ? pfkey_seq_stop+0x80/0x80 [ 27.674836] [] ? __skb_clone+0x24a/0x7d0 [ 27.681229] [] ? pfkey_delete+0x360/0x360 [ 27.686995] [] pfkey_process+0x61e/0x730 [ 27.692683] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.699509] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.706316] [] pfkey_sendmsg+0x3a9/0x760 [ 27.712001] [] ? pfkey_spdget+0x820/0x820 [ 27.717767] [] sock_sendmsg+0xca/0x110 [ 27.723271] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.729037] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.735585] [] ? __lru_cache_add+0x187/0x250 [ 27.741795] [] ? lru_cache_add+0xd9/0x1e0 [ 27.747561] [] ? handle_mm_fault+0xb12/0x2530 [ 27.753675] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.759611] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.765724] [] ? __lock_is_held+0xa1/0xf0 [ 27.771489] [] ? __pmd_alloc+0x410/0x410 [ 27.777168] [] ? __fget_light+0x158/0x1e0 [ 27.782929] [] ? __fdget+0x18/0x20 executing program [ 27.788095] [] __sys_sendmsg+0xd6/0x190 [ 27.793684] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.799448] [] ? __do_page_fault+0x5ec/0xd40 [ 27.805471] [] ? __do_page_fault+0x3bd/0xd40 [ 27.811495] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.818301] [] SyS_sendmsg+0x2d/0x50 [ 27.823629] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 27.831449] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 27.840142] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.845622] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 27.853314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.862648] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.870629] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 27.878580] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 27.886533] Call Trace: [ 27.889094] [] dump_stack+0xc1/0x128 [ 27.894429] [] check_preemption_disabled+0x1d4/0x200 [ 27.901151] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.907611] [] ipcomp_init_state+0x188/0x930 [ 27.913636] [] ? __lock_is_held+0xa1/0xf0 [ 27.919398] [] ipcomp6_init_state+0xb5/0x820 [ 27.925422] [] ? __xfrm_init_state+0x363/0xb30 [ 27.931627] [] __xfrm_init_state+0x3e7/0xb30 [ 27.937651] [] xfrm_init_state+0x1a/0x20 [ 27.943330] [] pfkey_add+0x1fb9/0x3470 [ 27.948842] [] ? pfkey_delete+0x360/0x360 [ 27.954605] [] ? pfkey_seq_stop+0x80/0x80 [ 27.960368] [] ? __skb_clone+0x24a/0x7d0 [ 27.966052] [] ? pfkey_delete+0x360/0x360 [ 27.971814] [] pfkey_process+0x61e/0x730 [ 27.977490] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.984302] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.991108] [] pfkey_sendmsg+0x3a9/0x760 [ 27.996808] [] ? pfkey_spdget+0x820/0x820 [ 28.002581] [] sock_sendmsg+0xca/0x110 [ 28.008084] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.013846] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.020392] [] ? __lru_cache_add+0x187/0x250 [ 28.026423] [] ? lru_cache_add+0xd9/0x1e0 [ 28.032184] [] ? handle_mm_fault+0xb12/0x2530 [ 28.038302] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.044239] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.050351] [] ? __lock_is_held+0xa1/0xf0 [ 28.056121] [] ? __pmd_alloc+0x410/0x410 [ 28.061801] [] ? __fget_light+0x158/0x1e0 [ 28.067564] [] ? __fdget+0x18/0x20 [ 28.072719] [] __sys_sendmsg+0xd6/0x190 [ 28.078309] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.084073] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 28.090095] [] ? __do_page_fault+0x3bd/0xd40 [ 28.096142] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.102947] [] SyS_sendmsg+0x2d/0x50 [ 28.108275] [] entry_SYSCALL_64_fastpath+0x23/0xe2 [ 28.116491] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller470203/3330 [ 28.125195] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.130621] CPU: 0 PID: 3330 Comm: syzkaller470203 Not tainted 4.9.76-g8e170a5 #11 [ 28.138289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.147610] ffff8801c932f6c8 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.155584] ffffffff83f44900 ffff8801cb19e000 0000000000000003 ffff8801c932f708 [ 28.163535] ffffffff81dfa714 ffff8801c932f720 ffffffff83f44900 dffffc0000000000 [ 28.171486] Call Trace: [ 28.174040] [] dump_stack+0xc1/0x128 [ 28.179372] [] check_preemption_disabled+0x1d4/0x200 [ 28.186092] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.192550] [] ipcomp_init_state+0x188/0x930 [ 28.198573] [] ? __lock_is_held+0xa1/0xf0 [ 28.204337] [] ipcomp6_init_state+0xb5/0x820 [ 28.210361] [] ? __xfrm_init_state+0x363/0xb30 [ 28.216555] [] __xfrm_init_state+0x3e7/0xb30 [ 28.222575] [] xfrm_init_state+0x1a/0x20 [ 28.228253] [] pfkey_add+0x1fb9/0x3470 [ 28.233754] [] ? pfkey_delete+0x360/0x360 [ 28.239514] [] ? pfkey_seq_stop+0x80/0x80 [ 28.245277] [] ? __skb_clone+0x24a/0x7d0 [ 28.250960] [] ? pfkey_delete+0x360/0x360 [ 28.256733] [] pfkey_process+0x61e/0x730 [ 28.262411] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.269219] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.276025] [] pfkey_sendmsg+0x3a9/0x760 [ 28.281698] [] ? pfkey_spdget+0x820/0x820 [ 28.287462] [] sock_sendmsg+0xca/0x110 [ 28.292963] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.298726] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.305271] [] ? __lru_cache_add+0x187/0x250 [ 28.311295] [] ? lru_cache_add+0xd9/0x1e0 [ 28.317057] [] ? handle_mm_fault+0xb12/0x2530 [ 28.323174] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.329116] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.335226] [] ? __lock_is_held+0xa1/0xf0 [ 28.340997] [] ? __pmd_alloc+0x410/0x410 [ 28.346674] [] ? __fget_light+0x158/0x1e0 [ 28.352436] [] ? __fdget+0x18/0x20 [ 28.357593] [] __sys_sendmsg+0xd6/0x190 [ 28.363180] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.368944] [] ? __do_page_fault+0x5ec/0xd40 [ 28.374975] [] ? __do_page_fault+0x3bd/0xd40 [ 28.380999] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.387805] [] SyS_sendmsg+0x2d/0x50 [ 28.393135] [] entry_SYSCALL_64_fastpath+0x23/0xe2 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program