[....] Starting enhanced syslogd: rsyslogd[ 11.062959] audit: type=1400 audit(1515875511.450:4): avc: denied { syslog } for pid=3167 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 20.475700] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 20.476980] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.477797] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 20.478829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.480080] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 20.481272] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 20.482434] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 20.483578] Call Trace: [ 20.483960] [] dump_stack+0xc1/0x128 [ 20.484982] [] check_preemption_disabled+0x1d4/0x200 [ 20.485943] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.486823] [] ipcomp_init_state+0x188/0x930 [ 20.487667] [] ? __lock_is_held+0xa1/0xf0 [ 20.488625] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.489425] [] __xfrm_init_state+0x3e7/0xb30 [ 20.490224] [] xfrm_init_state+0x1a/0x20 [ 20.490998] [] pfkey_add+0x1fb9/0x3470 [ 20.491749] [] ? pfkey_delete+0x360/0x360 [ 20.492530] [] ? pfkey_seq_stop+0x80/0x80 [ 20.493300] [] ? __skb_clone+0x24a/0x7d0 [ 20.494057] [] ? pfkey_delete+0x360/0x360 [ 20.494822] [] pfkey_process+0x61e/0x730 [ 20.495576] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.500969] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.507787] [] pfkey_sendmsg+0x3a9/0x760 [ 20.513478] [] ? pfkey_spdget+0x820/0x820 [ 20.519247] [] sock_sendmsg+0xca/0x110 [ 20.524754] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.530525] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.537073] [] ? __lock_is_held+0xa1/0xf0 [ 20.544419] [] ? __lru_cache_add+0x187/0x250 [ 20.550884] [] ? lru_cache_add+0xd9/0x1e0 [ 20.556653] [] ? handle_mm_fault+0xb12/0x2530 [ 20.562769] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.568709] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.574822] [] ? __fget_light+0x158/0x1e0 [ 20.580586] [] ? __fdget+0x18/0x20 [ 20.585747] [] ? sockfd_lookup_light+0x118/0x160 [ 20.592121] [] __sys_sendmsg+0xd6/0x190 [ 20.597721] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.603490] [] ? __do_page_fault+0x5ec/0xd40 [ 20.609520] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.615467] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 20.622017] [] do_fast_syscall_32+0x2f7/0x890 [ 20.628129] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.634762] [] entry_SYSENTER_compat+0x74/0x83 [ 20.643550] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 20.652241] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.657880] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 20.665567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.674892] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 20.682869] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 20.690837] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 20.698808] Call Trace: [ 20.701367] [] dump_stack+0xc1/0x128 [ 20.706702] [] check_preemption_disabled+0x1d4/0x200 [ 20.713423] [] __this_cpu_preempt_check+0x1c/0x20 [ 20.719890] [] ipcomp_init_state+0x188/0x930 [ 20.725922] [] ? __lock_is_held+0xa1/0xf0 [ 20.731690] [] ipcomp4_init_state+0xb0/0x7d0 [ 20.737718] [] __xfrm_init_state+0x3e7/0xb30 [ 20.743761] [] xfrm_init_state+0x1a/0x20 [ 20.749442] [] pfkey_add+0x1fb9/0x3470 [ 20.754945] [] ? pfkey_delete+0x360/0x360 [ 20.760711] [] ? pfkey_seq_stop+0x80/0x80 [ 20.766479] [] ? __skb_clone+0x24a/0x7d0 [ 20.772159] [] ? pfkey_delete+0x360/0x360 [ 20.777923] [] pfkey_process+0x61e/0x730 [ 20.783602] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 20.790413] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 20.797222] [] pfkey_sendmsg+0x3a9/0x760 [ 20.802908] [] ? pfkey_spdget+0x820/0x820 [ 20.808678] [] sock_sendmsg+0xca/0x110 [ 20.814185] [] ___sys_sendmsg+0x6d1/0x7e0 [ 20.819953] [] ? copy_msghdr_from_user+0x550/0x550 [ 20.827125] [] ? __lock_is_held+0xa1/0xf0 [ 20.832901] [] ? __lru_cache_add+0x187/0x250 [ 20.838927] [] ? lru_cache_add+0xd9/0x1e0 [ 20.844692] [] ? handle_mm_fault+0xb12/0x2530 [ 20.850814] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.856754] [] ? handle_mm_fault+0x6ee/0x2530 [ 20.862868] [] ? __fget_light+0x158/0x1e0 [ 20.868633] [] ? __fdget+0x18/0x20 [ 20.873797] [] ? sockfd_lookup_light+0x118/0x160 [ 20.880170] [] __sys_sendmsg+0xd6/0x190 [ 20.885762] [] ? SyS_shutdown+0x1b0/0x1b0 [ 20.891530] [] ? __do_page_fault+0x5ec/0xd40 [ 20.897563] [] compat_SyS_sendmsg+0x2a/0x40 [ 20.905502] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 20.912053] [] do_fast_syscall_32+0x2f7/0x890 [ 20.918167] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 20.924801] [] entry_SYSENTER_compat+0x74/0x83 [ 20.933475] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 20.942165] caller is __this_cpu_preempt_check+0x1c/0x20 [ 20.947614] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 20.955311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.964638] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 20.972612] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 20.980581] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 20.988546] Call Trace: [ 20.991102] [] dump_stack+0xc1/0x128 [ 20.996438] [] check_preemption_disabled+0x1d4/0x200 [ 21.003159] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.009620] [] ipcomp_init_state+0x188/0x930 [ 21.015656] [] ? __lock_is_held+0xa1/0xf0 [ 21.021429] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.027463] [] __xfrm_init_state+0x3e7/0xb30 [ 21.033493] [] xfrm_init_state+0x1a/0x20 [ 21.039174] [] pfkey_add+0x1fb9/0x3470 [ 21.044680] [] ? pfkey_delete+0x360/0x360 [ 21.050448] [] ? pfkey_seq_stop+0x80/0x80 [ 21.056215] [] ? __skb_clone+0x24a/0x7d0 [ 21.061892] [] ? pfkey_delete+0x360/0x360 [ 21.067659] [] pfkey_process+0x61e/0x730 [ 21.073339] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.080161] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.086968] [] pfkey_sendmsg+0x3a9/0x760 [ 21.092647] [] ? pfkey_spdget+0x820/0x820 [ 21.098413] [] sock_sendmsg+0xca/0x110 [ 21.103919] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.109694] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.116248] [] ? __lock_is_held+0xa1/0xf0 [ 21.122016] [] ? __lru_cache_add+0x187/0x250 [ 21.128041] [] ? lru_cache_add+0xd9/0x1e0 [ 21.133806] [] ? handle_mm_fault+0xb12/0x2530 [ 21.139920] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.145860] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.151981] [] ? __fget_light+0x158/0x1e0 [ 21.157755] [] ? __fdget+0x18/0x20 [ 21.162913] [] ? sockfd_lookup_light+0x118/0x160 [ 21.169294] [] __sys_sendmsg+0xd6/0x190 executing program [ 21.174891] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.180655] [] ? __do_page_fault+0x5ec/0xd40 [ 21.186693] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.192639] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.199187] [] do_fast_syscall_32+0x2f7/0x890 [ 21.205386] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.212022] [] entry_SYSENTER_compat+0x74/0x83 [ 21.220693] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.229392] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.234822] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 21.242495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.251820] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 21.259798] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.267847] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.275822] Call Trace: [ 21.278380] [] dump_stack+0xc1/0x128 [ 21.283712] [] check_preemption_disabled+0x1d4/0x200 [ 21.290434] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.296911] [] ipcomp_init_state+0x188/0x930 [ 21.302940] [] ? __lock_is_held+0xa1/0xf0 [ 21.308716] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.314742] [] __xfrm_init_state+0x3e7/0xb30 [ 21.320767] [] xfrm_init_state+0x1a/0x20 [ 21.326448] [] pfkey_add+0x1fb9/0x3470 [ 21.331962] [] ? pfkey_delete+0x360/0x360 [ 21.337726] [] ? pfkey_seq_stop+0x80/0x80 [ 21.343494] [] ? __skb_clone+0x24a/0x7d0 [ 21.349173] [] ? pfkey_delete+0x360/0x360 [ 21.354939] [] pfkey_process+0x61e/0x730 [ 21.360630] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.367441] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.374254] [] pfkey_sendmsg+0x3a9/0x760 [ 21.379935] [] ? pfkey_spdget+0x820/0x820 [ 21.385703] [] sock_sendmsg+0xca/0x110 [ 21.391208] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.396972] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.403523] [] ? __lock_is_held+0xa1/0xf0 [ 21.409300] [] ? __lru_cache_add+0x187/0x250 [ 21.415324] [] ? lru_cache_add+0xd9/0x1e0 [ 21.421089] [] ? handle_mm_fault+0xb12/0x2530 [ 21.427203] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.433142] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.439256] [] ? __fget_light+0x158/0x1e0 [ 21.445025] [] ? __fdget+0x18/0x20 [ 21.450195] [] ? sockfd_lookup_light+0x118/0x160 [ 21.456575] [] __sys_sendmsg+0xd6/0x190 [ 21.462166] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.467933] [] ? __do_page_fault+0x5ec/0xd40 [ 21.473959] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 21.479898] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.486470] [] do_fast_syscall_32+0x2f7/0x890 [ 21.492584] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.499220] [] entry_SYSENTER_compat+0x74/0x83 [ 21.507712] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.516372] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.521840] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 21.529524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.538848] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 21.546822] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.554786] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.562745] Call Trace: [ 21.565311] [] dump_stack+0xc1/0x128 [ 21.570645] [] check_preemption_disabled+0x1d4/0x200 [ 21.577364] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.583823] [] ipcomp_init_state+0x188/0x930 [ 21.589849] [] ? __lock_is_held+0xa1/0xf0 [ 21.595616] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.601642] [] __xfrm_init_state+0x3e7/0xb30 [ 21.607667] [] xfrm_init_state+0x1a/0x20 [ 21.613346] [] pfkey_add+0x1fb9/0x3470 [ 21.618850] [] ? pfkey_delete+0x360/0x360 [ 21.624618] [] ? pfkey_seq_stop+0x80/0x80 [ 21.630386] [] ? __skb_clone+0x24a/0x7d0 [ 21.636075] [] ? pfkey_delete+0x360/0x360 [ 21.641841] [] pfkey_process+0x61e/0x730 [ 21.647527] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.654340] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.661151] [] pfkey_sendmsg+0x3a9/0x760 [ 21.666830] [] ? pfkey_spdget+0x820/0x820 [ 21.672596] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.678104] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.683869] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.690415] [] ? __lock_is_held+0xa1/0xf0 [ 21.696205] [] ? __lru_cache_add+0x187/0x250 [ 21.696212] [] ? lru_cache_add+0xd9/0x1e0 [ 21.696219] [] ? handle_mm_fault+0xb12/0x2530 [ 21.696230] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.696235] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.696242] [] ? __fget_light+0x158/0x1e0 [ 21.696248] [] ? __fdget+0x18/0x20 [ 21.696257] [] ? sockfd_lookup_light+0x118/0x160 [ 21.696264] [] __sys_sendmsg+0xd6/0x190 [ 21.696270] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.696280] [] ? __do_page_fault+0x5ec/0xd40 [ 21.696290] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.696297] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.696305] [] do_fast_syscall_32+0x2f7/0x890 [ 21.696312] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.696319] [] entry_SYSENTER_compat+0x74/0x83 [ 21.701947] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.701959] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.701966] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.701969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.701981] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 21.701990] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.701999] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.702000] Call Trace: [ 21.702011] [] dump_stack+0xc1/0x128 [ 21.702018] [] check_preemption_disabled+0x1d4/0x200 [ 21.702026] [] __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.702036] [] ipcomp_init_state+0x188/0x930 [ 21.702045] [] ? __lock_is_held+0xa1/0xf0 [ 21.702052] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.702059] [] __xfrm_init_state+0x3e7/0xb30 [ 21.702065] [] xfrm_init_state+0x1a/0x20 [ 21.702073] [] pfkey_add+0x1fb9/0x3470 [ 21.702080] [] ? pfkey_delete+0x360/0x360 [ 21.702086] [] ? pfkey_seq_stop+0x80/0x80 [ 21.702094] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.702100] [] ? pfkey_delete+0x360/0x360 [ 21.702107] [] pfkey_process+0x61e/0x730 [ 21.702113] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.702121] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.702128] [] pfkey_sendmsg+0x3a9/0x760 [ 21.702134] [] ? pfkey_spdget+0x820/0x820 [ 21.702142] [] sock_sendmsg+0xca/0x110 [ 21.702149] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.702157] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.702164] [] ? __lock_is_held+0xa1/0xf0 [ 21.702173] [] ? __lru_cache_add+0x187/0x250 [ 21.702179] [] ? lru_cache_add+0xd9/0x1e0 [ 21.702185] [] ? handle_mm_fault+0xb12/0x2530 [ 21.702193] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.702199] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.702205] [] ? __fget_light+0x158/0x1e0 [ 21.702211] [] ? __fdget+0x18/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.702218] [] ? sockfd_lookup_light+0x118/0x160 [ 21.702224] [] __sys_sendmsg+0xd6/0x190 [ 21.702229] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.702239] [] ? __do_page_fault+0x5ec/0xd40 [ 21.702248] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.702255] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.702262] [] do_fast_syscall_32+0x2f7/0x890 [ 21.702268] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.702276] [] entry_SYSENTER_compat+0x74/0x83 [ 21.703599] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.703608] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.703615] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 21.703618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.703628] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.703637] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.703645] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.703646] Call Trace: [ 21.703655] [] dump_stack+0xc1/0x128 [ 21.703662] [] check_preemption_disabled+0x1d4/0x200 [ 21.703669] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.703678] [] ipcomp_init_state+0x188/0x930 [ 21.703686] [] ? __lock_is_held+0xa1/0xf0 [ 21.703693] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.703699] [] __xfrm_init_state+0x3e7/0xb30 [ 21.703704] [] xfrm_init_state+0x1a/0x20 [ 21.703711] [] pfkey_add+0x1fb9/0x3470 [ 21.703717] [] ? pfkey_delete+0x360/0x360 [ 21.703723] [] ? pfkey_seq_stop+0x80/0x80 [ 21.703730] [] ? __skb_clone+0x24a/0x7d0 [ 21.703736] [] ? pfkey_delete+0x360/0x360 [ 21.703742] [] pfkey_process+0x61e/0x730 [ 21.703748] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.703756] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.703762] [] pfkey_sendmsg+0x3a9/0x760 [ 21.703768] [] ? pfkey_spdget+0x820/0x820 [ 21.703775] [] sock_sendmsg+0xca/0x110 [ 21.703782] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.703789] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.703795] [] ? __lock_is_held+0xa1/0xf0 [ 21.703804] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.703809] [] ? lru_cache_add+0xd9/0x1e0 [ 21.703815] [] ? handle_mm_fault+0xb12/0x2530 [ 21.703823] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.703828] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.703835] [] ? __fget_light+0x158/0x1e0 [ 21.703841] [] ? __fdget+0x18/0x20 [ 21.703847] [] ? sockfd_lookup_light+0x118/0x160 [ 21.703853] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.703859] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.703866] [] ? __do_page_fault+0x5ec/0xd40 [ 21.703874] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.703881] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.703888] [] do_fast_syscall_32+0x2f7/0x890 [ 21.703894] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.703901] [] entry_SYSENTER_compat+0x74/0x83 [ 21.704996] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705003] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.705010] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 21.705013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.705023] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 21.705031] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.705039] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.705041] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705048] [] dump_stack+0xc1/0x128 [ 21.705055] [] check_preemption_disabled+0x1d4/0x200 [ 21.705063] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.705070] [] ipcomp_init_state+0x188/0x930 [ 21.705077] [] ? __lock_is_held+0xa1/0xf0 [ 21.705084] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.705090] [] __xfrm_init_state+0x3e7/0xb30 [ 21.705096] [] xfrm_init_state+0x1a/0x20 [ 21.705102] [] pfkey_add+0x1fb9/0x3470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705108] [] ? pfkey_delete+0x360/0x360 [ 21.705114] [] ? pfkey_seq_stop+0x80/0x80 [ 21.705120] [] ? __skb_clone+0x24a/0x7d0 [ 21.705126] [] ? pfkey_delete+0x360/0x360 [ 21.705132] [] pfkey_process+0x61e/0x730 [ 21.705138] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.705146] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.705152] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705158] [] ? pfkey_spdget+0x820/0x820 [ 21.705165] [] sock_sendmsg+0xca/0x110 [ 21.705172] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.705179] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.705186] [] ? __lock_is_held+0xa1/0xf0 [ 21.705193] [] ? __lru_cache_add+0x187/0x250 [ 21.705199] [] ? lru_cache_add+0xd9/0x1e0 [ 21.705205] [] ? handle_mm_fault+0xb12/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705212] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.705218] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.705224] [] ? __fget_light+0x158/0x1e0 [ 21.705230] [] ? __fdget+0x18/0x20 [ 21.705237] [] ? sockfd_lookup_light+0x118/0x160 [ 21.705242] [] __sys_sendmsg+0xd6/0x190 [ 21.705248] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.705255] [] ? __do_page_fault+0x5ec/0xd40 [ 21.705263] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 21.705270] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.705276] [] do_fast_syscall_32+0x2f7/0x890 [ 21.705282] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.705288] [] entry_SYSENTER_compat+0x74/0x83 [ 21.706641] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.706648] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.706654] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 executing program executing program executing program executing program executing program executing program executing program executing program [ 21.706657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.706666] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 21.706675] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.706683] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.706684] Call Trace: [ 21.706691] [] dump_stack+0xc1/0x128 [ 21.706699] [] check_preemption_disabled+0x1d4/0x200 [ 21.706706] [] __this_cpu_preempt_check+0x1c/0x20 executing program [ 21.706712] [] ipcomp_init_state+0x188/0x930 [ 21.706719] [] ? __lock_is_held+0xa1/0xf0 [ 21.706726] [] ipcomp4_init_state+0xb0/0x7d0 [ 21.706732] [] __xfrm_init_state+0x3e7/0xb30 [ 21.706737] [] xfrm_init_state+0x1a/0x20 [ 21.706743] [] pfkey_add+0x1fb9/0x3470 [ 21.706749] [] ? pfkey_delete+0x360/0x360 [ 21.706755] [] ? pfkey_seq_stop+0x80/0x80 executing program [ 21.706761] [] ? __skb_clone+0x24a/0x7d0 [ 21.706767] [] ? pfkey_delete+0x360/0x360 [ 21.706773] [] pfkey_process+0x61e/0x730 [ 21.706779] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.706787] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.706793] [] pfkey_sendmsg+0x3a9/0x760 [ 21.706799] [] ? pfkey_spdget+0x820/0x820 [ 21.706806] [] sock_sendmsg+0xca/0x110 [ 21.706812] [] ___sys_sendmsg+0x6d1/0x7e0 executing program [ 21.706820] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.706826] [] ? __lock_is_held+0xa1/0xf0 [ 21.706834] [] ? __lru_cache_add+0x187/0x250 [ 21.706839] [] ? lru_cache_add+0xd9/0x1e0 [ 21.706845] [] ? handle_mm_fault+0xb12/0x2530 [ 21.706852] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.706858] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.706863] [] ? __fget_light+0x158/0x1e0 executing program executing program [ 21.706869] [] ? __fdget+0x18/0x20 [ 21.706876] [] ? sockfd_lookup_light+0x118/0x160 [ 21.706882] [] __sys_sendmsg+0xd6/0x190 [ 21.706887] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.706894] [] ? __do_page_fault+0x5ec/0xd40 [ 21.706902] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.706909] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.706915] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 21.706921] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.706928] [] entry_SYSENTER_compat+0x74/0x83 [ 21.708137] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller363052/3316 [ 21.708144] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.708150] CPU: 0 PID: 3316 Comm: syzkaller363052 Not tainted 4.9.76-g8e170a5 #21 [ 21.708153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.708162] ffff8801cdb67668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 executing program [ 21.708171] ffffffff83f44900 ffff8801ca949800 0000000000000003 ffff8801cdb676a8 [ 21.708179] ffffffff81dfa714 ffff8801cdb676c0 ffffffff83f44900 dffffc0000000000 [ 21.708180] Call Trace: [ 21.708187] [] dump_stack+0xc1/0x128 [ 21.708195] [] check_preemption_disabled+0x1d4/0x200 [ 21.708202] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.708208] [] ipcomp_init_state+0x188/0x930 [ 21.708215] [] ? __lock_is_held+0xa1/0xf0 [ 21.708221] [] ipcomp4_init_state+0xb0/0x7d0 executing program [ 21.708227] [] __xfrm_init_state+0x3e7/0xb30 [ 21.708233] [] xfrm_init_state+0x1a/0x20 [ 21.708239] [] pfkey_add+0x1fb9/0x3470 [ 21.708245] [] ? pfkey_delete+0x360/0x360 [ 21.708251] [] ? pfkey_seq_stop+0x80/0x80 [ 21.708257] [] ? __skb_clone+0x24a/0x7d0 [ 21.708263] [] ? pfkey_delete+0x360/0x360 [ 21.708269] [] pfkey_process+0x61e/0x730 executing program executing program [ 21.708275] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 21.708282] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.708289] [] pfkey_sendmsg+0x3a9/0x760 [ 21.708295] [] ? pfkey_spdget+0x820/0x820 [ 21.708302] [] sock_sendmsg+0xca/0x110 [ 21.708309] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.708316] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.708322] [] ? __lock_is_held+0xa1/0xf0 executing program [ 21.708330] [] ? __lru_cache_add+0x187/0x250 [ 21.708335] [] ? lru_cache_add+0xd9/0x1e0 [ 21.708341] [] ? handle_mm_fault+0xb12/0x2530 [ 21.708348] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.708353] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.708359] [] ? __fget_light+0x158/0x1e0 [ 21.708365] [] ? __fdget+0x18/0x20 [ 21.708372] [] ? sockfd_lookup_light+0x118/0x160 [ 21.708377] [] __sys_sendmsg+0xd6/0x190 executing program executing program [ 21.708383] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.708390] [] ? __do_page_fault+0x5ec/0xd40 [ 21.708397] [] compat_SyS_sendmsg+0x2a/0x40 [ 21.708404] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 21.708410] [] do_fast_syscall_32+0x2f7/0x890 [ 21.708416] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.708422] [] 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