[....] Starting enhanced syslogd: rsyslogd[ 13.025694] audit: type=1400 audit(1515920866.044:4): avc: denied { syslog } for pid=3172 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 '10.128.15.206' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 33.076550] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.085345] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.090837] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.098519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.107848] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.115829] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.123790] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.131747] Call Trace: [ 33.134304] [] dump_stack+0xc1/0x128 [ 33.139638] [] check_preemption_disabled+0x1d4/0x200 [ 33.146356] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.152819] [] ipcomp_init_state+0x188/0x930 [ 33.158855] [] ? __lock_is_held+0xa1/0xf0 [ 33.164628] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.170655] [] __xfrm_init_state+0x3e7/0xb30 [ 33.176679] [] xfrm_init_state+0x1a/0x20 [ 33.182358] [] pfkey_add+0x1fb9/0x3470 [ 33.187860] [] ? pfkey_delete+0x360/0x360 [ 33.193624] [] ? pfkey_seq_stop+0x80/0x80 [ 33.199393] [] ? __skb_clone+0x24a/0x7d0 [ 33.205068] [] ? pfkey_delete+0x360/0x360 [ 33.210832] [] pfkey_process+0x61e/0x730 [ 33.216509] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.223317] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.230125] [] pfkey_sendmsg+0x3a9/0x760 [ 33.235811] [] ? pfkey_spdget+0x820/0x820 [ 33.241578] [] sock_sendmsg+0xca/0x110 [ 33.247080] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.252845] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.259391] [] ? __lock_is_held+0xa1/0xf0 [ 33.265158] [] ? __lru_cache_add+0x187/0x250 [ 33.271183] [] ? lru_cache_add+0xd9/0x1e0 [ 33.276954] [] ? handle_mm_fault+0xb12/0x2530 [ 33.283069] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.289007] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.295119] [] ? __fget_light+0x158/0x1e0 [ 33.300889] [] ? __fdget+0x18/0x20 [ 33.306047] [] ? sockfd_lookup_light+0x118/0x160 [ 33.312419] [] __sys_sendmsg+0xd6/0x190 [ 33.318008] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 33.323776] [] ? __do_page_fault+0x5ec/0xd40 [ 33.329808] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.335745] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.342291] [] do_fast_syscall_32+0x2f7/0x890 [ 33.348403] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.355046] [] entry_SYSENTER_compat+0x74/0x83 [ 33.363355] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.372181] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.377648] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.385336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.394667] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.402623] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.410584] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.418531] Call Trace: [ 33.421095] [] dump_stack+0xc1/0x128 [ 33.426425] [] check_preemption_disabled+0x1d4/0x200 [ 33.433145] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.439608] [] ipcomp_init_state+0x188/0x930 [ 33.445645] [] ? __lock_is_held+0xa1/0xf0 [ 33.451412] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.457436] [] __xfrm_init_state+0x3e7/0xb30 [ 33.463461] [] xfrm_init_state+0x1a/0x20 [ 33.469141] [] pfkey_add+0x1fb9/0x3470 [ 33.474643] [] ? pfkey_delete+0x360/0x360 [ 33.480408] [] ? pfkey_seq_stop+0x80/0x80 [ 33.486173] [] ? __skb_clone+0x24a/0x7d0 [ 33.491862] [] ? pfkey_delete+0x360/0x360 [ 33.497625] [] pfkey_process+0x61e/0x730 [ 33.503301] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.510109] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.516914] [] pfkey_sendmsg+0x3a9/0x760 [ 33.522592] [] ? pfkey_spdget+0x820/0x820 [ 33.528357] [] sock_sendmsg+0xca/0x110 [ 33.533872] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.539637] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.546185] [] ? __lock_is_held+0xa1/0xf0 [ 33.551953] [] ? __lru_cache_add+0x187/0x250 [ 33.557976] [] ? lru_cache_add+0xd9/0x1e0 [ 33.563741] [] ? handle_mm_fault+0xb12/0x2530 [ 33.569868] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.575814] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.581927] [] ? __fget_light+0x158/0x1e0 [ 33.587690] [] ? __fdget+0x18/0x20 [ 33.592850] [] ? sockfd_lookup_light+0x118/0x160 [ 33.599220] [] __sys_sendmsg+0xd6/0x190 [ 33.604807] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.610577] [] ? __do_page_fault+0x5ec/0xd40 [ 33.616604] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.622550] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 33.629096] [] do_fast_syscall_32+0x2f7/0x890 [ 33.635208] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.641851] [] entry_SYSENTER_compat+0x74/0x83 [ 33.650046] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.658763] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.664188] CPU: 0 PID: 3331 Comm: syzkaller385153 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 [ 33.671861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.681187] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.689142] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.696829] ffffffff81dfa714 [ 33.696830] ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000Call Trace: [ 33.696846] [] dump_stack+0xc1/0x128 [ 33.696852] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.696857] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.696865] [] ipcomp_init_state+0x188/0x930 [ 33.696873] [] ? __lock_is_held+0xa1/0xf0 [ 33.696879] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.696883] [] __xfrm_init_state+0x3e7/0xb30 [ 33.696886] [] xfrm_init_state+0x1a/0x20 [ 33.696893] [] pfkey_add+0x1fb9/0x3470 [ 33.696897] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.696901] [] ? pfkey_seq_stop+0x80/0x80 [ 33.696908] [] ? __skb_clone+0x24a/0x7d0 [ 33.696911] [] ? pfkey_delete+0x360/0x360 [ 33.696914] [] pfkey_process+0x61e/0x730 [ 33.696918] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.696923] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.696927] [] pfkey_sendmsg+0x3a9/0x760 [ 33.696930] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.696936] [] sock_sendmsg+0xca/0x110 [ 33.696940] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.696944] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.696948] [] ? __lock_is_held+0xa1/0xf0 [ 33.696956] [] ? __lru_cache_add+0x187/0x250 [ 33.696959] [] ? lru_cache_add+0xd9/0x1e0 [ 33.696964] [] ? handle_mm_fault+0xb12/0x2530 [ 33.696973] [] ? _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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.696977] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.696982] [] ? __fget_light+0x158/0x1e0 [ 33.696985] [] ? __fdget+0x18/0x20 [ 33.696989] [] ? sockfd_lookup_light+0x118/0x160 [ 33.696993] [] __sys_sendmsg+0xd6/0x190 [ 33.696996] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.697004] [] ? __do_page_fault+0x5ec/0xd40 [ 33.697011] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.697015] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.697020] [] do_fast_syscall_32+0x2f7/0x890 [ 33.697024] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.697028] [] entry_SYSENTER_compat+0x74/0x83 [ 33.700169] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.700180] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.700185] CPU: 0 PID: 3331 Comm: syzkaller385153 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.700196] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.700201] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.700205] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.700207] Call Trace: [ 33.700216] [] dump_stack+0xc1/0x128 [ 33.700220] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700225] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.700233] [] ipcomp_init_state+0x188/0x930 [ 33.700241] [] ? __lock_is_held+0xa1/0xf0 [ 33.700246] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.700250] [] __xfrm_init_state+0x3e7/0xb30 [ 33.700253] [] xfrm_init_state+0x1a/0x20 [ 33.700260] [] pfkey_add+0x1fb9/0x3470 [ 33.700264] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700268] [] ? pfkey_seq_stop+0x80/0x80 [ 33.700275] [] ? __skb_clone+0x24a/0x7d0 [ 33.700278] [] ? pfkey_delete+0x360/0x360 [ 33.700282] [] pfkey_process+0x61e/0x730 [ 33.700285] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.700290] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.700294] [] pfkey_sendmsg+0x3a9/0x760 [ 33.700297] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700303] [] sock_sendmsg+0xca/0x110 [ 33.700307] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.700311] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.700315] [] ? __lock_is_held+0xa1/0xf0 [ 33.700323] [] ? __lru_cache_add+0x187/0x250 [ 33.700326] [] ? lru_cache_add+0xd9/0x1e0 [ 33.700330] [] ? handle_mm_fault+0xb12/0x2530 [ 33.700338] [] ? _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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700341] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.700347] [] ? __fget_light+0x158/0x1e0 [ 33.700350] [] ? __fdget+0x18/0x20 [ 33.700354] [] ? sockfd_lookup_light+0x118/0x160 [ 33.700358] [] __sys_sendmsg+0xd6/0x190 [ 33.700361] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.700369] [] ? __do_page_fault+0x5ec/0xd40 [ 33.700377] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.700381] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.700386] [] do_fast_syscall_32+0x2f7/0x890 [ 33.700390] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.700394] [] entry_SYSENTER_compat+0x74/0x83 [ 33.701323] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.701329] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.701333] CPU: 0 PID: 3331 Comm: syzkaller385153 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.701335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.701341] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.701346] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.701351] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.701352] Call Trace: [ 33.701357] [] dump_stack+0xc1/0x128 [ 33.701361] [] check_preemption_disabled+0x1d4/0x200 executing program executing program [ 33.701365] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.701371] [] ipcomp_init_state+0x188/0x930 [ 33.701375] [] ? __lock_is_held+0xa1/0xf0 [ 33.701380] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.701384] [] __xfrm_init_state+0x3e7/0xb30 [ 33.701387] [] xfrm_init_state+0x1a/0x20 [ 33.701391] [] pfkey_add+0x1fb9/0x3470 [ 33.701395] [] ? pfkey_delete+0x360/0x360 executing program [ 33.701399] [] ? pfkey_seq_stop+0x80/0x80 [ 33.701403] [] ? __skb_clone+0x24a/0x7d0 [ 33.701406] [] ? pfkey_delete+0x360/0x360 [ 33.701410] [] pfkey_process+0x61e/0x730 [ 33.701413] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.701418] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.701422] [] pfkey_sendmsg+0x3a9/0x760 [ 33.701425] [] ? pfkey_spdget+0x820/0x820 [ 33.701430] [] sock_sendmsg+0xca/0x110 executing program executing program [ 33.701434] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.701438] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.701442] [] ? __lock_is_held+0xa1/0xf0 [ 33.701448] [] ? __lru_cache_add+0x187/0x250 [ 33.701451] [] ? lru_cache_add+0xd9/0x1e0 [ 33.701455] [] ? handle_mm_fault+0xb12/0x2530 [ 33.701461] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.701464] [] ? handle_mm_fault+0x6ee/0x2530 executing program [ 33.701469] [] ? __fget_light+0x158/0x1e0 [ 33.701472] [] ? __fdget+0x18/0x20 [ 33.701476] [] ? sockfd_lookup_light+0x118/0x160 [ 33.701479] [] __sys_sendmsg+0xd6/0x190 [ 33.701482] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.701487] [] ? __do_page_fault+0x5ec/0xd40 [ 33.701492] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.701496] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 33.701500] [] do_fast_syscall_32+0x2f7/0x890 [ 33.701503] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.701507] [] entry_SYSENTER_compat+0x74/0x83 [ 33.702286] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.702291] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.702295] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.702297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 33.702303] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.702308] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.702313] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.702314] Call Trace: [ 33.702318] [] dump_stack+0xc1/0x128 [ 33.702323] [] check_preemption_disabled+0x1d4/0x200 [ 33.702327] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.702331] [] ipcomp_init_state+0x188/0x930 executing program executing program [ 33.702335] [] ? __lock_is_held+0xa1/0xf0 [ 33.702339] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.702343] [] __xfrm_init_state+0x3e7/0xb30 [ 33.702346] [] xfrm_init_state+0x1a/0x20 [ 33.702350] [] pfkey_add+0x1fb9/0x3470 [ 33.702354] [] ? pfkey_delete+0x360/0x360 [ 33.702357] [] ? pfkey_seq_stop+0x80/0x80 [ 33.702361] [] ? __skb_clone+0x24a/0x7d0 [ 33.702364] [] ? pfkey_delete+0x360/0x360 executing program [ 33.702368] [] pfkey_process+0x61e/0x730 [ 33.702372] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.702376] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.702380] [] pfkey_sendmsg+0x3a9/0x760 [ 33.702383] [] ? pfkey_spdget+0x820/0x820 [ 33.702387] [] sock_sendmsg+0xca/0x110 [ 33.702391] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.702396] [] ? copy_msghdr_from_user+0x550/0x550 executing program [ 33.702399] [] ? __lock_is_held+0xa1/0xf0 [ 33.702404] [] ? __lru_cache_add+0x187/0x250 [ 33.702408] [] ? lru_cache_add+0xd9/0x1e0 [ 33.702411] [] ? handle_mm_fault+0xb12/0x2530 [ 33.702416] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.702419] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.702423] [] ? __fget_light+0x158/0x1e0 [ 33.702426] [] ? __fdget+0x18/0x20 [ 33.702430] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 33.702433] [] __sys_sendmsg+0xd6/0x190 [ 33.702436] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.702441] [] ? __do_page_fault+0x5ec/0xd40 [ 33.702446] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.702450] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.702454] [] do_fast_syscall_32+0x2f7/0x890 [ 33.702458] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.702461] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program [ 33.703183] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.703188] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.703191] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.703193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.703199] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.703204] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 executing program [ 33.703209] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.703210] Call Trace: [ 33.703214] [] dump_stack+0xc1/0x128 [ 33.703219] [] check_preemption_disabled+0x1d4/0x200 [ 33.703223] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.703227] [] ipcomp_init_state+0x188/0x930 [ 33.703231] [] ? __lock_is_held+0xa1/0xf0 [ 33.703235] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.703238] [] __xfrm_init_state+0x3e7/0xb30 executing program [ 33.703242] [] xfrm_init_state+0x1a/0x20 [ 33.703245] [] pfkey_add+0x1fb9/0x3470 [ 33.703249] [] ? pfkey_delete+0x360/0x360 [ 33.703252] [] ? pfkey_seq_stop+0x80/0x80 [ 33.703256] [] ? __skb_clone+0x24a/0x7d0 [ 33.703259] [] ? pfkey_delete+0x360/0x360 [ 33.703263] [] pfkey_process+0x61e/0x730 [ 33.703267] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program [ 33.703271] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.703275] [] pfkey_sendmsg+0x3a9/0x760 [ 33.703278] [] ? pfkey_spdget+0x820/0x820 [ 33.703283] [] sock_sendmsg+0xca/0x110 [ 33.703287] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.703291] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.703295] [] ? __lock_is_held+0xa1/0xf0 [ 33.703301] [] ? __lru_cache_add+0x187/0x250 [ 33.703304] [] ? lru_cache_add+0xd9/0x1e0 executing program executing program [ 33.703307] [] ? handle_mm_fault+0xb12/0x2530 [ 33.703312] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.703315] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.703319] [] ? __fget_light+0x158/0x1e0 [ 33.703322] [] ? __fdget+0x18/0x20 [ 33.703326] [] ? sockfd_lookup_light+0x118/0x160 [ 33.703329] [] __sys_sendmsg+0xd6/0x190 [ 33.703332] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 33.703337] [] ? __do_page_fault+0x5ec/0xd40 [ 33.703341] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.703345] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.703349] [] do_fast_syscall_32+0x2f7/0x890 [ 33.703353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.703356] [] entry_SYSENTER_compat+0x74/0x83 [ 33.704077] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.704082] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 33.704085] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.704087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.704093] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.704098] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.704103] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.704104] Call Trace: [ 33.704108] [] dump_stack+0xc1/0x128 executing program [ 33.704113] [] check_preemption_disabled+0x1d4/0x200 [ 33.704117] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.704121] [] ipcomp_init_state+0x188/0x930 [ 33.704125] [] ? __lock_is_held+0xa1/0xf0 [ 33.704129] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.704133] [] __xfrm_init_state+0x3e7/0xb30 [ 33.704137] [] xfrm_init_state+0x1a/0x20 [ 33.704140] [] pfkey_add+0x1fb9/0x3470 [ 33.704144] [] ? pfkey_delete+0x360/0x360 executing program executing program [ 33.704147] [] ? pfkey_seq_stop+0x80/0x80 [ 33.704151] [] ? __skb_clone+0x24a/0x7d0 [ 33.704154] [] ? pfkey_delete+0x360/0x360 [ 33.704158] [] pfkey_process+0x61e/0x730 [ 33.704162] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.704166] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.704170] [] pfkey_sendmsg+0x3a9/0x760 [ 33.704173] [] ? pfkey_spdget+0x820/0x820 executing program [ 33.704177] [] sock_sendmsg+0xca/0x110 [ 33.704181] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.704185] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.704189] [] ? __lock_is_held+0xa1/0xf0 [ 33.704194] [] ? __lru_cache_add+0x187/0x250 [ 33.704197] [] ? lru_cache_add+0xd9/0x1e0 [ 33.704200] [] ? handle_mm_fault+0xb12/0x2530 [ 33.704205] [] ? _raw_spin_unlock+0x2c/0x50 executing program [ 33.704208] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.704212] [] ? __fget_light+0x158/0x1e0 [ 33.704215] [] ? __fdget+0x18/0x20 [ 33.704219] [] ? sockfd_lookup_light+0x118/0x160 [ 33.704222] [] __sys_sendmsg+0xd6/0x190 [ 33.704225] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.704230] [] ? __do_page_fault+0x5ec/0xd40 [ 33.704234] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.704238] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 33.704241] [] do_fast_syscall_32+0x2f7/0x890 [ 33.704245] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.704249] [] entry_SYSENTER_compat+0x74/0x83 [ 33.704986] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.704991] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.704995] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.704997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program [ 33.705003] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.705008] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 [ 33.705013] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.705014] Call Trace: [ 33.705018] [] dump_stack+0xc1/0x128 [ 33.705023] [] check_preemption_disabled+0x1d4/0x200 [ 33.705027] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.705031] [] ipcomp_init_state+0x188/0x930 executing program [ 33.705035] [] ? __lock_is_held+0xa1/0xf0 [ 33.705039] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.705043] [] __xfrm_init_state+0x3e7/0xb30 [ 33.705046] [] xfrm_init_state+0x1a/0x20 [ 33.705050] [] pfkey_add+0x1fb9/0x3470 [ 33.705054] [] ? pfkey_delete+0x360/0x360 [ 33.705057] [] ? pfkey_seq_stop+0x80/0x80 [ 33.705061] [] ? __skb_clone+0x24a/0x7d0 executing program [ 33.705065] [] ? pfkey_delete+0x360/0x360 [ 33.705068] [] pfkey_process+0x61e/0x730 [ 33.705072] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.705076] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.705080] [] pfkey_sendmsg+0x3a9/0x760 [ 33.705083] [] ? pfkey_spdget+0x820/0x820 [ 33.705088] [] sock_sendmsg+0xca/0x110 [ 33.705091] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.705096] [] ? copy_msghdr_from_user+0x550/0x550 executing program [ 33.705100] [] ? __lock_is_held+0xa1/0xf0 [ 33.705105] [] ? __lru_cache_add+0x187/0x250 [ 33.705108] [] ? lru_cache_add+0xd9/0x1e0 [ 33.705111] [] ? handle_mm_fault+0xb12/0x2530 [ 33.705116] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.705119] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.705122] [] ? __fget_light+0x158/0x1e0 [ 33.705126] [] ? __fdget+0x18/0x20 executing program executing program [ 33.705130] [] ? sockfd_lookup_light+0x118/0x160 [ 33.705133] [] __sys_sendmsg+0xd6/0x190 [ 33.705136] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.705141] [] ? __do_page_fault+0x5ec/0xd40 [ 33.705145] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.705149] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.705153] [] do_fast_syscall_32+0x2f7/0x890 [ 33.705156] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 33.705160] [] entry_SYSENTER_compat+0x74/0x83 [ 33.705848] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller385153/3331 [ 33.705853] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.705856] CPU: 0 PID: 3331 Comm: syzkaller385153 Not tainted 4.9.76-g8e170a5 #21 [ 33.705858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.705864] ffff8801c855f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 33.705869] ffffffff83f44900 ffff8801c9899800 0000000000000003 ffff8801c855f6a8 executing program [ 33.705874] ffffffff81dfa714 ffff8801c855f6c0 ffffffff83f44900 dffffc0000000000 [ 33.705875] Call Trace: [ 33.705879] [] dump_stack+0xc1/0x128 [ 33.705883] [] check_preemption_disabled+0x1d4/0x200 [ 33.705888] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.705892] [] ipcomp_init_state+0x188/0x930 [ 33.705896] [] ? __lock_is_held+0xa1/0xf0 [ 33.705900] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program [ 33.705903] [] __xfrm_init_state+0x3e7/0xb30 [ 33.705906] [] xfrm_init_state+0x1a/0x20 [ 33.705910] [] pfkey_add+0x1fb9/0x3470 [ 33.705914] [] ? pfkey_delete+0x360/0x360 [ 33.705917] [] ? pfkey_seq_stop+0x80/0x80 [ 33.705921] [] ? __skb_clone+0x24a/0x7d0 [ 33.705924] [] ? pfkey_delete+0x360/0x360 [ 33.705927] [] pfkey_process+0x61e/0x730 [ 33.705931] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program [ 33.705936] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.705940] [] pfkey_sendmsg+0x3a9/0x760 [ 33.705943] [] ? pfkey_spdget+0x820/0x820 [ 33.705947] [] sock_sendmsg+0xca/0x110 [ 33.705951] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.705956] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.705960] [] ? __lock_is_held+0xa1/0xf0 [ 33.705964] [] ? __lru_cache_add+0x187/0x250 executing program [ 33.705967] [] ? lru_cache_add+0xd9/0x1e0 [ 33.705971] [] ? handle_mm_fault+0xb12/0x2530 [ 33.705975] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.705978] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.705982] [] ? __fget_light+0x158/0x1e0 [ 33.705985] [] ? __fdget+0x18/0x20 [ 33.705989] [] ? sockfd_lookup_light+0x118/0x160 [ 33.705993] [] __sys_sendmsg+0xd6/0x190 [ 33.705996] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program [ 33.706001] [] ? __do_page_fault+0x5ec/0xd40 [ 33.706006] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.706010] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.706013] [] do_fast_syscall_32+0x2f7/0x890 [ 33.706017] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.706021] [] 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