[....] Starting enhanced syslogd: rsyslogd[ 13.401470] audit: type=1400 audit(1516009709.924:4): avc: denied { syslog } for pid=3173 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 '10.128.15.203' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.568869] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3334 [ 29.577757] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.583185] CPU: 0 PID: 3334 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 29.590863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.600195] ffff8801c9177668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 29.608219] ffffffff83f44900 ffff8801cd266000 0000000000000003 ffff8801c91776a8 [ 29.616205] ffffffff81dfa714 ffff8801c91776c0 ffffffff83f44900 dffffc0000000000 [ 29.624183] Call Trace: [ 29.626755] [] dump_stack+0xc1/0x128 [ 29.632101] [] check_preemption_disabled+0x1d4/0x200 [ 29.638842] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.645320] [] ipcomp_init_state+0x188/0x930 [ 29.651359] [] ? __lock_is_held+0xa1/0xf0 [ 29.657134] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.663175] [] __xfrm_init_state+0x3e7/0xb30 [ 29.669226] [] xfrm_init_state+0x1a/0x20 [ 29.674915] [] pfkey_add+0x1fb9/0x3470 [ 29.680424] [] ? pfkey_delete+0x360/0x360 [ 29.686194] [] ? pfkey_seq_stop+0x80/0x80 [ 29.691966] [] ? __skb_clone+0x24a/0x7d0 [ 29.697668] [] ? pfkey_delete+0x360/0x360 [ 29.703441] [] pfkey_process+0x61e/0x730 [ 29.709129] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.715947] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.722769] [] pfkey_sendmsg+0x3a9/0x760 [ 29.728454] [] ? pfkey_spdget+0x820/0x820 [ 29.734231] [] sock_sendmsg+0xca/0x110 [ 29.739744] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.745520] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.752076] [] ? __lru_cache_add+0x187/0x250 [ 29.758118] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.765195] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.771143] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.778218] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.784344] [] ? __fget_light+0x158/0x1e0 [ 29.790116] [] ? __fdget+0x18/0x20 [ 29.795281] [] ? sockfd_lookup_light+0x118/0x160 [ 29.801670] [] __sys_sendmsg+0xd6/0x190 [ 29.807268] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.813039] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 29.819073] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.825020] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.831589] [] do_fast_syscall_32+0x2f7/0x890 [ 29.837714] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.844356] [] entry_SYSENTER_compat+0x74/0x83 [ 29.851133] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3338 [ 29.859846] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.865325] CPU: 1 PID: 3338 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 29.873006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.882341] ffff8801c8cdf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 29.890316] ffffffff83f44900 ffff8801c91ac800 0000000000000003 ffff8801c8cdf6a8 [ 29.898288] ffffffff81dfa714 ffff8801c8cdf6c0 ffffffff83f44900 dffffc0000000000 [ 29.906262] Call Trace: [ 29.908825] [] dump_stack+0xc1/0x128 [ 29.914162] [] check_preemption_disabled+0x1d4/0x200 [ 29.920891] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.927444] [] ipcomp_init_state+0x188/0x930 [ 29.933484] [] ? __lock_is_held+0xa1/0xf0 [ 29.939263] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.945304] [] __xfrm_init_state+0x3e7/0xb30 [ 29.951335] [] xfrm_init_state+0x1a/0x20 [ 29.957020] [] pfkey_add+0x1fb9/0x3470 [ 29.962536] [] ? pfkey_delete+0x360/0x360 [ 29.968308] [] ? pfkey_seq_stop+0x80/0x80 [ 29.974079] [] ? __skb_clone+0x24a/0x7d0 [ 29.979762] [] ? pfkey_delete+0x360/0x360 [ 29.985540] [] pfkey_process+0x61e/0x730 [ 29.991229] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.998054] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.004866] [] pfkey_sendmsg+0x3a9/0x760 [ 30.010552] [] ? pfkey_spdget+0x820/0x820 [ 30.016332] [] sock_sendmsg+0xca/0x110 [ 30.021841] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.027621] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.034174] [] ? __lru_cache_add+0x187/0x250 [ 30.040226] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.047304] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.053253] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.060328] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.066445] [] ? __fget_light+0x158/0x1e0 [ 30.072220] [] ? __fdget+0x18/0x20 [ 30.077381] [] ? sockfd_lookup_light+0x118/0x160 [ 30.083757] [] __sys_sendmsg+0xd6/0x190 [ 30.089351] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.095123] [] ? __do_page_fault+0x5ec/0xd40 [ 30.101166] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.107109] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.113658] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 30.119785] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.126424] [] entry_SYSENTER_compat+0x74/0x83 [ 30.133750] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3336 [ 30.142427] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.147902] CPU: 0 PID: 3336 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 30.155590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.164932] ffff8801c8d37668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 30.172908] ffffffff83f44900 ffff8801c91a9800 0000000000000003 ffff8801c8d376a8 [ 30.180989] ffffffff81dfa714 ffff8801c8d376c0 ffffffff83f44900 dffffc0000000000 [ 30.188967] Call Trace: [ 30.191529] [] dump_stack+0xc1/0x128 [ 30.196876] [] check_preemption_disabled+0x1d4/0x200 [ 30.203603] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.210077] [] ipcomp_init_state+0x188/0x930 [ 30.216111] [] ? __lock_is_held+0xa1/0xf0 [ 30.221889] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.227924] [] __xfrm_init_state+0x3e7/0xb30 [ 30.233973] [] xfrm_init_state+0x1a/0x20 [ 30.239658] [] pfkey_add+0x1fb9/0x3470 [ 30.245166] [] ? pfkey_delete+0x360/0x360 [ 30.250941] [] ? pfkey_seq_stop+0x80/0x80 [ 30.256721] [] ? __skb_clone+0x24a/0x7d0 [ 30.262402] [] ? pfkey_delete+0x360/0x360 [ 30.268170] [] pfkey_process+0x61e/0x730 [ 30.273854] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.280666] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.287478] [] pfkey_sendmsg+0x3a9/0x760 [ 30.293170] [] ? pfkey_spdget+0x820/0x820 [ 30.298940] [] sock_sendmsg+0xca/0x110 [ 30.304458] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.310229] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.316783] [] ? __lru_cache_add+0x187/0x250 [ 30.322815] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.329906] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.335859] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.342958] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.349083] [] ? __fget_light+0x158/0x1e0 [ 30.354853] [] ? __fdget+0x18/0x20 [ 30.360028] [] ? sockfd_lookup_light+0x118/0x160 [ 30.366407] [] __sys_sendmsg+0xd6/0x190 executing program [ 30.372004] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.377788] [] ? __do_page_fault+0x5ec/0xd40 [ 30.383821] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.389766] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.396330] [] do_fast_syscall_32+0x2f7/0x890 [ 30.402445] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.409088] [] entry_SYSENTER_compat+0x74/0x83 [ 30.415657] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3337 [ 30.424412] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.429844] CPU: 1 PID: 3337 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 30.437521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.446847] ffff8801c8cd7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.454816] ffffffff83f44900 ffff8801c91ab000 0000000000000003 ffff8801c8cd76a8 [ 30.462787] ffffffff81dfa714 ffff8801c8cd76c0 ffffffff83f44900 dffffc0000000000 [ 30.470795] Call Trace: [ 30.473356] [] dump_stack+0xc1/0x128 [ 30.478706] [] check_preemption_disabled+0x1d4/0x200 [ 30.485434] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.491907] [] ipcomp_init_state+0x188/0x930 [ 30.497939] [] ? __lock_is_held+0xa1/0xf0 [ 30.503708] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.509739] [] __xfrm_init_state+0x3e7/0xb30 [ 30.515779] [] xfrm_init_state+0x1a/0x20 [ 30.521464] [] pfkey_add+0x1fb9/0x3470 [ 30.526981] [] ? pfkey_delete+0x360/0x360 [ 30.532757] [] ? pfkey_seq_stop+0x80/0x80 [ 30.538536] [] ? __skb_clone+0x24a/0x7d0 [ 30.544218] [] ? pfkey_delete+0x360/0x360 [ 30.549995] [] pfkey_process+0x61e/0x730 [ 30.555685] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.562505] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.569318] [] pfkey_sendmsg+0x3a9/0x760 [ 30.575012] [] ? pfkey_spdget+0x820/0x820 [ 30.580783] [] sock_sendmsg+0xca/0x110 [ 30.586293] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.592063] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.598630] [] ? __lru_cache_add+0x187/0x250 [ 30.604663] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.611738] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.617685] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.624756] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.630872] [] ? __fget_light+0x158/0x1e0 [ 30.636639] [] ? __fdget+0x18/0x20 [ 30.641800] [] ? sockfd_lookup_light+0x118/0x160 [ 30.648181] [] __sys_sendmsg+0xd6/0x190 [ 30.653784] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.659556] [] ? __do_page_fault+0x5ec/0xd40 [ 30.665589] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 30.671561] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.678116] [] do_fast_syscall_32+0x2f7/0x890 [ 30.684232] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.691593] [] entry_SYSENTER_compat+0x74/0x83 [ 30.698512] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3335 [ 30.707207] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.712714] CPU: 1 PID: 3335 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 30.720401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.729730] ffff8801c91cf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.737727] ffffffff83f44900 ffff8801c91a8000 0000000000000003 ffff8801c91cf6a8 [ 30.745702] ffffffff81dfa714 ffff8801c91cf6c0 ffffffff83f44900 dffffc0000000000 [ 30.753677] Call Trace: [ 30.756237] [] dump_stack+0xc1/0x128 [ 30.761572] [] check_preemption_disabled+0x1d4/0x200 [ 30.768297] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.774762] [] ipcomp_init_state+0x188/0x930 [ 30.780794] [] ? __lock_is_held+0xa1/0xf0 [ 30.786563] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.792598] [] __xfrm_init_state+0x3e7/0xb30 [ 30.798627] [] xfrm_init_state+0x1a/0x20 [ 30.804317] [] pfkey_add+0x1fb9/0x3470 [ 30.809832] [] ? pfkey_delete+0x360/0x360 [ 30.815617] [] ? pfkey_seq_stop+0x80/0x80 [ 30.821387] [] ? __skb_clone+0x24a/0x7d0 [ 30.827072] [] ? pfkey_delete+0x360/0x360 [ 30.832843] [] pfkey_process+0x61e/0x730 [ 30.838523] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.845335] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.852148] [] pfkey_sendmsg+0x3a9/0x760 [ 30.857846] [] ? pfkey_spdget+0x820/0x820 [ 30.863613] [] sock_sendmsg+0xca/0x110 [ 30.869145] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.874914] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.881472] [] ? __lru_cache_add+0x187/0x250 [ 30.887503] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.894573] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.900515] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.907586] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.913709] [] ? __fget_light+0x158/0x1e0 [ 30.919476] [] ? __fdget+0x18/0x20 [ 30.924639] [] ? sockfd_lookup_light+0x118/0x160 [ 30.931015] [] __sys_sendmsg+0xd6/0x190 [ 30.936612] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.942389] [] ? __do_page_fault+0x5ec/0xd40 [ 30.948422] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.954366] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.960928] [] do_fast_syscall_32+0x2f7/0x890 [ 30.967043] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 30.973681] [] entry_SYSENTER_compat+0x74/0x83 [ 30.980419] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3331 [ 30.989125] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.994572] CPU: 1 PID: 3331 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 31.002260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.011587] ffff8801c2417668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 31.019576] ffffffff83f44900 ffff8801cb94b000 0000000000000003 ffff8801c24176a8 [ 31.027899] ffffffff81dfa714 ffff8801c24176c0 ffffffff83f44900 dffffc0000000000 [ 31.035896] Call Trace: [ 31.038464] [] dump_stack+0xc1/0x128 [ 31.043810] [] check_preemption_disabled+0x1d4/0x200 [ 31.050534] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.056999] [] ipcomp_init_state+0x188/0x930 [ 31.063028] [] ? __lock_is_held+0xa1/0xf0 [ 31.068795] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.074840] [] __xfrm_init_state+0x3e7/0xb30 [ 31.080868] [] xfrm_init_state+0x1a/0x20 [ 31.086549] [] pfkey_add+0x1fb9/0x3470 [ 31.092059] [] ? pfkey_delete+0x360/0x360 [ 31.097841] [] ? pfkey_seq_stop+0x80/0x80 [ 31.103610] [] ? __skb_clone+0x24a/0x7d0 [ 31.109291] [] ? pfkey_delete+0x360/0x360 [ 31.115059] [] pfkey_process+0x61e/0x730 [ 31.120744] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.127554] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.134376] [] pfkey_sendmsg+0x3a9/0x760 [ 31.140057] [] ? pfkey_spdget+0x820/0x820 [ 31.145827] [] sock_sendmsg+0xca/0x110 [ 31.151334] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.157105] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.163745] [] ? __lru_cache_add+0x187/0x250 [ 31.169783] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.176857] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.182808] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.189882] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.196012] [] ? __fget_light+0x158/0x1e0 [ 31.201780] [] ? __fdget+0x18/0x20 [ 31.206953] [] ? sockfd_lookup_light+0x118/0x160 [ 31.213329] [] __sys_sendmsg+0xd6/0x190 [ 31.218926] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 31.224703] [] ? __do_page_fault+0x5ec/0xd40 [ 31.230736] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.236680] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 31.243229] [] do_fast_syscall_32+0x2f7/0x890 [ 31.249345] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.255999] [] entry_SYSENTER_compat+0x74/0x83 [ 31.262909] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3333 [ 31.271682] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.277328] CPU: 1 PID: 3333 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 31.285011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.294341] ffff8801c1fcf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 31.302319] ffffffff83f44900 ffff8801cb94e000 0000000000000003 ffff8801c1fcf6a8 [ 31.310291] ffffffff81dfa714 ffff8801c1fcf6c0 ffffffff83f44900 dffffc0000000000 [ 31.318265] Call Trace: [ 31.320824] [] dump_stack+0xc1/0x128 [ 31.326160] [] check_preemption_disabled+0x1d4/0x200 [ 31.332881] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.339363] [] ipcomp_init_state+0x188/0x930 [ 31.345396] [] ? __lock_is_held+0xa1/0xf0 [ 31.351164] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.357200] [] __xfrm_init_state+0x3e7/0xb30 [ 31.363228] [] xfrm_init_state+0x1a/0x20 [ 31.368911] [] pfkey_add+0x1fb9/0x3470 [ 31.374418] [] ? pfkey_delete+0x360/0x360 [ 31.380185] [] ? pfkey_seq_stop+0x80/0x80 [ 31.385954] [] ? __skb_clone+0x24a/0x7d0 [ 31.391645] [] ? pfkey_delete+0x360/0x360 [ 31.397413] [] pfkey_process+0x61e/0x730 [ 31.403100] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.409911] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.416724] [] pfkey_sendmsg+0x3a9/0x760 [ 31.422411] [] ? pfkey_spdget+0x820/0x820 [ 31.428178] [] sock_sendmsg+0xca/0x110 [ 31.433685] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.439456] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.446009] [] ? __lru_cache_add+0x187/0x250 [ 31.452040] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.459112] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.465063] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.472150] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.478266] [] ? __fget_light+0x158/0x1e0 [ 31.484035] [] ? __fdget+0x18/0x20 [ 31.489199] [] ? sockfd_lookup_light+0x118/0x160 [ 31.495574] [] __sys_sendmsg+0xd6/0x190 [ 31.501167] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.506938] [] ? __do_page_fault+0x5ec/0xd40 [ 31.512979] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.518940] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 31.525501] [] do_fast_syscall_32+0x2f7/0x890 [ 31.531618] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.538258] [] entry_SYSENTER_compat+0x74/0x83 [ 31.545043] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3332 [ 31.553731] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.559246] CPU: 1 PID: 3332 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 31.566924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.576251] ffff8801cb31f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 31.584233] ffffffff83f44900 ffff8801cb949800 0000000000000003 ffff8801cb31f6a8 [ 31.592203] ffffffff81dfa714 ffff8801cb31f6c0 ffffffff83f44900 dffffc0000000000 [ 31.600176] Call Trace: [ 31.602737] [] dump_stack+0xc1/0x128 [ 31.608078] [] check_preemption_disabled+0x1d4/0x200 [ 31.614802] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.621266] [] ipcomp_init_state+0x188/0x930 [ 31.627295] [] ? __lock_is_held+0xa1/0xf0 [ 31.633071] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.639101] [] __xfrm_init_state+0x3e7/0xb30 [ 31.645137] [] xfrm_init_state+0x1a/0x20 [ 31.650822] [] pfkey_add+0x1fb9/0x3470 [ 31.656338] [] ? pfkey_delete+0x360/0x360 [ 31.662105] [] ? pfkey_seq_stop+0x80/0x80 [ 31.667872] [] ? __skb_clone+0x24a/0x7d0 [ 31.673561] [] ? pfkey_delete+0x360/0x360 [ 31.679340] [] pfkey_process+0x61e/0x730 [ 31.685022] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.691841] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.698651] [] pfkey_sendmsg+0x3a9/0x760 [ 31.704333] [] ? pfkey_spdget+0x820/0x820 [ 31.710100] [] sock_sendmsg+0xca/0x110 [ 31.715619] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.721388] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.727939] [] ? __lru_cache_add+0x187/0x250 [ 31.733972] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.741048] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.746994] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.754080] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.760199] [] ? __fget_light+0x158/0x1e0 [ 31.765977] [] ? __fdget+0x18/0x20 [ 31.771140] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 31.777517] [] __sys_sendmsg+0xd6/0x190 [ 31.783111] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.788879] [] ? __do_page_fault+0x5ec/0xd40 [ 31.794909] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.800850] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 31.807404] [] do_fast_syscall_32+0x2f7/0x890 [ 31.813607] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.820255] [] entry_SYSENTER_compat+0x74/0x83 [ 31.827452] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3334 [ 31.836209] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.841640] CPU: 0 PID: 3334 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 31.849334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.858664] ffff8801c9177668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 31.866646] ffffffff83f44900 ffff8801cd266000 0000000000000003 ffff8801c91776a8 [ 31.874620] ffffffff81dfa714 ffff8801c91776c0 ffffffff83f44900 dffffc0000000000 [ 31.882604] Call Trace: [ 31.885164] [] dump_stack+0xc1/0x128 [ 31.890500] [] check_preemption_disabled+0x1d4/0x200 [ 31.897235] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.903700] [] ipcomp_init_state+0x188/0x930 [ 31.909732] [] ? __lock_is_held+0xa1/0xf0 [ 31.915511] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.921553] [] __xfrm_init_state+0x3e7/0xb30 [ 31.927584] [] xfrm_init_state+0x1a/0x20 [ 31.933264] [] pfkey_add+0x1fb9/0x3470 [ 31.938774] [] ? pfkey_delete+0x360/0x360 [ 31.944553] [] ? pfkey_seq_stop+0x80/0x80 [ 31.950323] [] ? __skb_clone+0x24a/0x7d0 [ 31.956008] [] ? pfkey_delete+0x360/0x360 [ 31.961784] [] pfkey_process+0x61e/0x730 [ 31.967465] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.974277] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.981086] [] pfkey_sendmsg+0x3a9/0x760 [ 31.986766] [] ? pfkey_spdget+0x820/0x820 [ 31.992546] [] sock_sendmsg+0xca/0x110 [ 31.998065] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.003833] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.010384] [] ? __lru_cache_add+0x187/0x250 [ 32.016416] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.023491] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.029433] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.036516] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.042634] [] ? __fget_light+0x158/0x1e0 [ 32.048402] [] ? __fdget+0x18/0x20 [ 32.053569] [] ? sockfd_lookup_light+0x118/0x160 [ 32.059954] [] __sys_sendmsg+0xd6/0x190 [ 32.065548] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.071323] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 32.077356] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.083303] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.089868] [] do_fast_syscall_32+0x2f7/0x890 [ 32.095985] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.102715] [] entry_SYSENTER_compat+0x74/0x83 [ 32.109910] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3338 [ 32.118629] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.124106] CPU: 1 PID: 3338 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 32.131801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.141132] ffff8801c8cdf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 32.149104] ffffffff83f44900 ffff8801c91ac800 0000000000000003 ffff8801c8cdf6a8 [ 32.157075] ffffffff81dfa714 ffff8801c8cdf6c0 ffffffff83f44900 dffffc0000000000 [ 32.165048] Call Trace: [ 32.167621] [] dump_stack+0xc1/0x128 [ 32.172958] [] check_preemption_disabled+0x1d4/0x200 [ 32.179687] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.186156] [] ipcomp_init_state+0x188/0x930 [ 32.192189] [] ? __lock_is_held+0xa1/0xf0 [ 32.197961] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.203993] [] __xfrm_init_state+0x3e7/0xb30 [ 32.210037] [] xfrm_init_state+0x1a/0x20 [ 32.215725] [] pfkey_add+0x1fb9/0x3470 [ 32.221238] [] ? pfkey_delete+0x360/0x360 [ 32.227020] [] ? pfkey_seq_stop+0x80/0x80 [ 32.232788] [] ? __skb_clone+0x24a/0x7d0 [ 32.238470] [] ? pfkey_delete+0x360/0x360 [ 32.244240] [] pfkey_process+0x61e/0x730 [ 32.249923] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.256735] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.263547] [] pfkey_sendmsg+0x3a9/0x760 [ 32.269229] [] ? pfkey_spdget+0x820/0x820 [ 32.275007] [] sock_sendmsg+0xca/0x110 [ 32.280606] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.286550] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.293105] [] ? __lru_cache_add+0x187/0x250 [ 32.299140] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.306218] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.312166] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.319239] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.325373] [] ? __fget_light+0x158/0x1e0 [ 32.331150] [] ? __fdget+0x18/0x20 [ 32.336322] [] ? sockfd_lookup_light+0x118/0x160 [ 32.342714] [] __sys_sendmsg+0xd6/0x190 [ 32.348365] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.354153] [] ? __do_page_fault+0x5ec/0xd40 [ 32.360296] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.366265] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.372826] [] do_fast_syscall_32+0x2f7/0x890 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.378948] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.385597] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 34.573537] check_preemption_disabled: 1625 callbacks suppressed [ 34.573544] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3338 [ 34.588524] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.593996] CPU: 0 PID: 3338 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 34.601694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.611033] ffff8801c8cdf668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 34.619028] ffffffff83f44900 ffff8801c91ac800 0000000000000003 ffff8801c8cdf6a8 [ 34.627005] ffffffff81dfa714 ffff8801c8cdf6c0 ffffffff83f44900 dffffc0000000000 [ 34.634977] Call Trace: [ 34.637547] [] dump_stack+0xc1/0x128 [ 34.642883] [] check_preemption_disabled+0x1d4/0x200 [ 34.649614] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.656082] [] ipcomp_init_state+0x188/0x930 [ 34.662113] [] ? __lock_is_held+0xa1/0xf0 [ 34.667885] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.673916] [] __xfrm_init_state+0x3e7/0xb30 [ 34.679962] [] xfrm_init_state+0x1a/0x20 [ 34.685656] [] pfkey_add+0x1fb9/0x3470 [ 34.691168] [] ? pfkey_delete+0x360/0x360 [ 34.696938] [] ? pfkey_seq_stop+0x80/0x80 [ 34.702726] [] ? __skb_clone+0x24a/0x7d0 [ 34.708422] [] ? pfkey_delete+0x360/0x360 [ 34.714197] [] pfkey_process+0x61e/0x730 [ 34.719882] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.726699] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.733518] [] pfkey_sendmsg+0x3a9/0x760 [ 34.739208] [] ? pfkey_spdget+0x820/0x820 [ 34.744981] [] sock_sendmsg+0xca/0x110 [ 34.750491] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.756261] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.762816] [] ? __lru_cache_add+0x187/0x250 [ 34.768849] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.775930] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.781882] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.788957] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.795074] [] ? __fget_light+0x158/0x1e0 [ 34.800842] [] ? __fdget+0x18/0x20 [ 34.806006] [] ? sockfd_lookup_light+0x118/0x160 [ 34.812394] [] __sys_sendmsg+0xd6/0x190 [ 34.817995] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 34.823767] [] ? __do_page_fault+0x5ec/0xd40 [ 34.829795] [] compat_SyS_sendmsg+0x2a/0x40 [ 34.835738] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 34.842287] [] do_fast_syscall_32+0x2f7/0x890 [ 34.848403] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.855054] [] entry_SYSENTER_compat+0x74/0x83 [ 34.862044] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3332 [ 34.870764] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.876226] CPU: 1 PID: 3332 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 34.883913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.893246] ffff8801cb31f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 34.901222] ffffffff83f44900 ffff8801cb949800 0000000000000003 ffff8801cb31f6a8 [ 34.909199] ffffffff81dfa714 ffff8801cb31f6c0 ffffffff83f44900 dffffc0000000000 [ 34.917187] Call Trace: [ 34.919748] [] dump_stack+0xc1/0x128 [ 34.925090] [] check_preemption_disabled+0x1d4/0x200 [ 34.931813] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.938289] [] ipcomp_init_state+0x188/0x930 [ 34.944323] [] ? __lock_is_held+0xa1/0xf0 [ 34.950096] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.956122] [] __xfrm_init_state+0x3e7/0xb30 [ 34.962149] [] xfrm_init_state+0x1a/0x20 [ 34.967841] [] pfkey_add+0x1fb9/0x3470 [ 34.973355] [] ? pfkey_delete+0x360/0x360 [ 34.979127] [] ? pfkey_seq_stop+0x80/0x80 [ 34.984903] [] ? __skb_clone+0x24a/0x7d0 [ 34.990582] [] ? pfkey_delete+0x360/0x360 [ 34.996347] [] pfkey_process+0x61e/0x730 [ 35.002029] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.008846] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.015657] [] pfkey_sendmsg+0x3a9/0x760 [ 35.021337] [] ? pfkey_spdget+0x820/0x820 [ 35.027106] [] sock_sendmsg+0xca/0x110 [ 35.032613] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.038386] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.044943] [] ? __lru_cache_add+0x187/0x250 [ 35.050982] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.058055] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.063996] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.071064] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.077196] [] ? __fget_light+0x158/0x1e0 [ 35.082967] [] ? __fdget+0x18/0x20 [ 35.088130] [] ? sockfd_lookup_light+0x118/0x160 [ 35.094507] [] __sys_sendmsg+0xd6/0x190 [ 35.100103] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.105872] [] ? __do_page_fault+0x5ec/0xd40 [ 35.111990] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.117933] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.124484] [] do_fast_syscall_32+0x2f7/0x890 [ 35.130598] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.137244] [] entry_SYSENTER_compat+0x74/0x83 [ 35.145125] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3331 [ 35.153829] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.159253] CPU: 0 PID: 3331 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 35.166930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.176265] ffff8801c2417668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 35.184236] ffffffff83f44900 ffff8801cb94b000 0000000000000003 ffff8801c24176a8 [ 35.192217] ffffffff81dfa714 ffff8801c24176c0 ffffffff83f44900 dffffc0000000000 [ 35.200195] Call Trace: [ 35.202764] [] dump_stack+0xc1/0x128 [ 35.208102] [] check_preemption_disabled+0x1d4/0x200 [ 35.214828] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.221293] [] ipcomp_init_state+0x188/0x930 [ 35.227325] [] ? __lock_is_held+0xa1/0xf0 [ 35.233107] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.239142] [] __xfrm_init_state+0x3e7/0xb30 [ 35.245185] [] xfrm_init_state+0x1a/0x20 [ 35.250878] [] pfkey_add+0x1fb9/0x3470 [ 35.256391] [] ? pfkey_delete+0x360/0x360 [ 35.262158] [] ? pfkey_seq_stop+0x80/0x80 [ 35.267931] [] ? __skb_clone+0x24a/0x7d0 [ 35.273620] [] ? pfkey_delete+0x360/0x360 [ 35.279404] [] pfkey_process+0x61e/0x730 [ 35.285093] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.291917] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.298748] [] pfkey_sendmsg+0x3a9/0x760 [ 35.304432] [] ? pfkey_spdget+0x820/0x820 [ 35.310204] [] sock_sendmsg+0xca/0x110 [ 35.315723] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.321491] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.328041] [] ? __lru_cache_add+0x187/0x250 [ 35.334073] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.341163] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.347113] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.354188] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.360304] [] ? __fget_light+0x158/0x1e0 [ 35.366082] [] ? __fdget+0x18/0x20 executing program executing program [ 35.371252] [] ? sockfd_lookup_light+0x118/0x160 [ 35.377632] [] __sys_sendmsg+0xd6/0x190 [ 35.383235] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.389011] [] ? __do_page_fault+0x5ec/0xd40 [ 35.395047] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.400994] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.407549] [] do_fast_syscall_32+0x2f7/0x890 [ 35.413670] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.420314] [] entry_SYSENTER_compat+0x74/0x83 [ 35.428053] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3336 [ 35.436778] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.442203] CPU: 1 PID: 3336 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 35.449891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.459216] ffff8801c8d37668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 35.467194] ffffffff83f44900 ffff8801c91a9800 0000000000000003 ffff8801c8d376a8 [ 35.475166] ffffffff81dfa714 ffff8801c8d376c0 ffffffff83f44900 dffffc0000000000 [ 35.483144] Call Trace: [ 35.485703] [] dump_stack+0xc1/0x128 [ 35.491039] [] check_preemption_disabled+0x1d4/0x200 [ 35.497764] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.504229] [] ipcomp_init_state+0x188/0x930 [ 35.510260] [] ? __lock_is_held+0xa1/0xf0 [ 35.516029] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.522060] [] __xfrm_init_state+0x3e7/0xb30 [ 35.528108] [] xfrm_init_state+0x1a/0x20 [ 35.533803] [] pfkey_add+0x1fb9/0x3470 [ 35.539327] [] ? pfkey_delete+0x360/0x360 [ 35.545101] [] ? pfkey_seq_stop+0x80/0x80 [ 35.550877] [] ? __skb_clone+0x24a/0x7d0 [ 35.556561] [] ? pfkey_delete+0x360/0x360 [ 35.562341] [] pfkey_process+0x61e/0x730 [ 35.568031] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.574853] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.581672] [] pfkey_sendmsg+0x3a9/0x760 [ 35.587359] [] ? pfkey_spdget+0x820/0x820 [ 35.593141] [] sock_sendmsg+0xca/0x110 [ 35.598651] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.604422] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.610983] [] ? __lru_cache_add+0x187/0x250 [ 35.617015] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.624090] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.630034] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.637108] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.643224] [] ? __fget_light+0x158/0x1e0 [ 35.649096] [] ? __fdget+0x18/0x20 [ 35.654266] [] ? sockfd_lookup_light+0x118/0x160 [ 35.660643] [] __sys_sendmsg+0xd6/0x190 [ 35.666244] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.672015] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 35.678044] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.683988] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.690541] [] do_fast_syscall_32+0x2f7/0x890 [ 35.696663] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.703308] [] entry_SYSENTER_compat+0x74/0x83 [ 35.711352] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3333 [ 35.720089] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.725563] CPU: 1 PID: 3333 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 35.733251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.742589] ffff8801c1fcf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 35.750569] ffffffff83f44900 ffff8801cb94e000 0000000000000003 ffff8801c1fcf6a8 [ 35.758566] ffffffff81dfa714 ffff8801c1fcf6c0 ffffffff83f44900 dffffc0000000000 [ 35.766538] Call Trace: [ 35.769098] [] dump_stack+0xc1/0x128 [ 35.774432] [] check_preemption_disabled+0x1d4/0x200 [ 35.781154] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.787622] [] ipcomp_init_state+0x188/0x930 [ 35.793659] [] ? __lock_is_held+0xa1/0xf0 [ 35.799614] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.805656] [] __xfrm_init_state+0x3e7/0xb30 [ 35.811683] [] xfrm_init_state+0x1a/0x20 [ 35.817367] [] pfkey_add+0x1fb9/0x3470 [ 35.822872] [] ? pfkey_delete+0x360/0x360 [ 35.828640] [] ? pfkey_seq_stop+0x80/0x80 [ 35.834412] [] ? __skb_clone+0x24a/0x7d0 [ 35.840124] [] ? pfkey_delete+0x360/0x360 [ 35.845901] [] pfkey_process+0x61e/0x730 [ 35.851580] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.858394] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.865207] [] pfkey_sendmsg+0x3a9/0x760 [ 35.870892] [] ? pfkey_spdget+0x820/0x820 [ 35.876660] [] sock_sendmsg+0xca/0x110 [ 35.882165] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.887934] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.894494] [] ? __lru_cache_add+0x187/0x250 [ 35.900528] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.907598] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.913549] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.920630] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.926748] [] ? __fget_light+0x158/0x1e0 [ 35.932523] [] ? __fdget+0x18/0x20 [ 35.937689] [] ? sockfd_lookup_light+0x118/0x160 [ 35.944065] [] __sys_sendmsg+0xd6/0x190 [ 35.949659] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.955428] [] ? __do_page_fault+0x5ec/0xd40 [ 35.961466] [] compat_SyS_sendmsg+0x2a/0x40 [ 35.967420] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 35.973979] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 35.980093] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.986739] [] entry_SYSENTER_compat+0x74/0x83 [ 35.994341] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3335 [ 36.003002] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.008485] CPU: 1 PID: 3335 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 36.016182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.025511] ffff8801c91cf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 36.033486] ffffffff83f44900 ffff8801c91a8000 0000000000000003 ffff8801c91cf6a8 [ 36.041473] ffffffff81dfa714 ffff8801c91cf6c0 ffffffff83f44900 dffffc0000000000 [ 36.049449] Call Trace: [ 36.052009] [] dump_stack+0xc1/0x128 [ 36.057345] [] check_preemption_disabled+0x1d4/0x200 [ 36.064076] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.070543] [] ipcomp_init_state+0x188/0x930 [ 36.076573] [] ? __lock_is_held+0xa1/0xf0 [ 36.082345] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.088371] [] __xfrm_init_state+0x3e7/0xb30 [ 36.094405] [] xfrm_init_state+0x1a/0x20 [ 36.100094] [] pfkey_add+0x1fb9/0x3470 [ 36.105604] [] ? pfkey_delete+0x360/0x360 [ 36.111370] [] ? pfkey_seq_stop+0x80/0x80 [ 36.117139] [] ? __skb_clone+0x24a/0x7d0 [ 36.122821] [] ? pfkey_delete+0x360/0x360 [ 36.128590] [] pfkey_process+0x61e/0x730 [ 36.134279] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.141090] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.147901] [] pfkey_sendmsg+0x3a9/0x760 [ 36.153583] [] ? pfkey_spdget+0x820/0x820 [ 36.159354] [] sock_sendmsg+0xca/0x110 [ 36.164861] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.170636] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.177187] [] ? __lru_cache_add+0x187/0x250 [ 36.183219] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.190295] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.196245] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.203326] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.209443] [] ? __fget_light+0x158/0x1e0 [ 36.215221] [] ? __fdget+0x18/0x20 [ 36.220388] [] ? sockfd_lookup_light+0x118/0x160 [ 36.226782] [] __sys_sendmsg+0xd6/0x190 [ 36.232377] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.238148] [] ? __do_page_fault+0x5ec/0xd40 [ 36.244182] [] compat_SyS_sendmsg+0x2a/0x40 [ 36.250125] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.256677] [] do_fast_syscall_32+0x2f7/0x890 [ 36.262794] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.269443] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 36.276889] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3334 [ 36.285577] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.291098] CPU: 1 PID: 3334 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 36.298779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.308113] ffff8801c9177668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 36.316107] ffffffff83f44900 ffff8801cd266000 0000000000000003 ffff8801c91776a8 [ 36.324094] ffffffff81dfa714 ffff8801c91776c0 ffffffff83f44900 dffffc0000000000 [ 36.332088] Call Trace: [ 36.334651] [] dump_stack+0xc1/0x128 [ 36.339986] [] check_preemption_disabled+0x1d4/0x200 [ 36.346710] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.353175] [] ipcomp_init_state+0x188/0x930 [ 36.359224] [] ? __lock_is_held+0xa1/0xf0 [ 36.365000] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.371027] [] __xfrm_init_state+0x3e7/0xb30 [ 36.377078] [] xfrm_init_state+0x1a/0x20 [ 36.382760] [] pfkey_add+0x1fb9/0x3470 [ 36.388273] [] ? pfkey_delete+0x360/0x360 [ 36.394042] [] ? pfkey_seq_stop+0x80/0x80 [ 36.399812] [] ? __skb_clone+0x24a/0x7d0 [ 36.405503] [] ? pfkey_delete+0x360/0x360 [ 36.411277] [] pfkey_process+0x61e/0x730 [ 36.416966] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.423777] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.430588] [] pfkey_sendmsg+0x3a9/0x760 [ 36.436267] [] ? pfkey_spdget+0x820/0x820 [ 36.442035] [] sock_sendmsg+0xca/0x110 [ 36.447548] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.453317] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.459874] [] ? __lru_cache_add+0x187/0x250 [ 36.465908] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.472989] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.478935] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.486006] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.492210] [] ? __fget_light+0x158/0x1e0 [ 36.497977] [] ? __fdget+0x18/0x20 [ 36.503148] [] ? sockfd_lookup_light+0x118/0x160 [ 36.509535] [] __sys_sendmsg+0xd6/0x190 [ 36.515129] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.520901] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 36.527744] [] compat_SyS_sendmsg+0x2a/0x40 [ 36.533689] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.540238] [] do_fast_syscall_32+0x2f7/0x890 [ 36.546353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.552999] [] entry_SYSENTER_compat+0x74/0x83 [ 36.560400] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3337 [ 36.569192] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.574647] CPU: 1 PID: 3337 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 36.582354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.591682] ffff8801c8cd7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 36.599658] ffffffff83f44900 ffff8801c91ab000 0000000000000003 ffff8801c8cd76a8 [ 36.607628] ffffffff81dfa714 ffff8801c8cd76c0 ffffffff83f44900 dffffc0000000000 [ 36.615596] Call Trace: [ 36.618156] [] dump_stack+0xc1/0x128 [ 36.623492] [] check_preemption_disabled+0x1d4/0x200 [ 36.630231] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.636694] [] ipcomp_init_state+0x188/0x930 [ 36.642729] [] ? __lock_is_held+0xa1/0xf0 [ 36.648503] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.654532] [] __xfrm_init_state+0x3e7/0xb30 [ 36.660559] [] xfrm_init_state+0x1a/0x20 [ 36.666240] [] pfkey_add+0x1fb9/0x3470 [ 36.671745] [] ? pfkey_delete+0x360/0x360 [ 36.677520] [] ? pfkey_seq_stop+0x80/0x80 [ 36.683288] [] ? __skb_clone+0x24a/0x7d0 [ 36.688967] [] ? pfkey_delete+0x360/0x360 [ 36.694736] [] pfkey_process+0x61e/0x730 [ 36.700418] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.707226] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.714035] [] pfkey_sendmsg+0x3a9/0x760 [ 36.719714] [] ? pfkey_spdget+0x820/0x820 [ 36.725483] [] sock_sendmsg+0xca/0x110 [ 36.730993] [] ___sys_sendmsg+0x6d1/0x7e0 [ 36.736762] [] ? copy_msghdr_from_user+0x550/0x550 [ 36.743311] [] ? __lru_cache_add+0x187/0x250 [ 36.749341] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 36.756412] [] ? _raw_spin_unlock+0x2c/0x50 [ 36.762353] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 36.769426] [] ? handle_mm_fault+0x6ee/0x2530 [ 36.775541] [] ? __fget_light+0x158/0x1e0 [ 36.781323] [] ? __fdget+0x18/0x20 [ 36.786484] [] ? sockfd_lookup_light+0x118/0x160 [ 36.792868] [] __sys_sendmsg+0xd6/0x190 [ 36.798462] [] ? SyS_shutdown+0x1b0/0x1b0 [ 36.804233] [] ? __do_page_fault+0x5ec/0xd40 [ 36.810263] [] compat_SyS_sendmsg+0x2a/0x40 [ 36.816209] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 36.822767] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 36.828890] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.835526] [] entry_SYSENTER_compat+0x74/0x83 [ 36.843100] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3338 [ 36.851818] caller is __this_cpu_preempt_check+0x1c/0x20 [ 36.857274] CPU: 0 PID: 3338 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 36.864974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.874313] ffff8801c8cdf668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 36.882290] ffffffff83f44900 ffff8801c91ac800 0000000000000003 ffff8801c8cdf6a8 [ 36.890268] ffffffff81dfa714 ffff8801c8cdf6c0 ffffffff83f44900 dffffc0000000000 [ 36.898256] Call Trace: [ 36.900815] [] dump_stack+0xc1/0x128 [ 36.906150] [] check_preemption_disabled+0x1d4/0x200 [ 36.912879] [] __this_cpu_preempt_check+0x1c/0x20 [ 36.919367] [] ipcomp_init_state+0x188/0x930 [ 36.925406] [] ? __lock_is_held+0xa1/0xf0 [ 36.931177] [] ipcomp4_init_state+0xb0/0x7d0 [ 36.937208] [] __xfrm_init_state+0x3e7/0xb30 [ 36.943235] [] xfrm_init_state+0x1a/0x20 [ 36.948917] [] pfkey_add+0x1fb9/0x3470 [ 36.954427] [] ? pfkey_delete+0x360/0x360 [ 36.960192] [] ? pfkey_seq_stop+0x80/0x80 [ 36.965970] [] ? __skb_clone+0x24a/0x7d0 [ 36.971655] [] ? pfkey_delete+0x360/0x360 [ 36.977434] [] pfkey_process+0x61e/0x730 [ 36.983116] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 36.989934] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 36.996743] [] pfkey_sendmsg+0x3a9/0x760 [ 37.002423] [] ? pfkey_spdget+0x820/0x820 [ 37.008196] [] sock_sendmsg+0xca/0x110 [ 37.013703] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.019473] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.026024] [] ? __lru_cache_add+0x187/0x250 [ 37.032058] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.039142] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.045084] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.052162] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.058278] [] ? __fget_light+0x158/0x1e0 [ 37.064054] [] ? __fdget+0x18/0x20 [ 37.069216] [] ? sockfd_lookup_light+0x118/0x160 [ 37.075678] [] __sys_sendmsg+0xd6/0x190 executing program [ 37.081284] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.087066] [] ? __do_page_fault+0x5ec/0xd40 [ 37.093103] [] compat_SyS_sendmsg+0x2a/0x40 [ 37.099048] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.105616] [] do_fast_syscall_32+0x2f7/0x890 [ 37.111732] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.118379] [] entry_SYSENTER_compat+0x74/0x83 [ 37.125979] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller262248/3332 [ 37.134806] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.140238] CPU: 1 PID: 3332 Comm: syzkaller262248 Not tainted 4.9.76-gf0f6293 #22 [ 37.147920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.157254] ffff8801cb31f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 37.165221] ffffffff83f44900 ffff8801cb949800 0000000000000003 ffff8801cb31f6a8 [ 37.173197] ffffffff81dfa714 ffff8801cb31f6c0 ffffffff83f44900 dffffc0000000000 [ 37.181178] Call Trace: [ 37.183737] [] dump_stack+0xc1/0x128 [ 37.189070] [] check_preemption_disabled+0x1d4/0x200 [ 37.195795] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.202258] [] ipcomp_init_state+0x188/0x930 [ 37.208292] [] ? __lock_is_held+0xa1/0xf0 [ 37.214060] [] ipcomp4_init_state+0xb0/0x7d0 [ 37.220087] [] __xfrm_init_state+0x3e7/0xb30 [ 37.226114] [] xfrm_init_state+0x1a/0x20 [ 37.231797] [] pfkey_add+0x1fb9/0x3470 [ 37.237314] [] ? pfkey_delete+0x360/0x360 [ 37.243082] [] ? pfkey_seq_stop+0x80/0x80 [ 37.248857] [] ? __skb_clone+0x24a/0x7d0 [ 37.254547] [] ? pfkey_delete+0x360/0x360 [ 37.260312] [] pfkey_process+0x61e/0x730 [ 37.265999] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 37.272815] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.279625] [] pfkey_sendmsg+0x3a9/0x760 [ 37.285304] [] ? pfkey_spdget+0x820/0x820 [ 37.291074] [] sock_sendmsg+0xca/0x110 [ 37.296582] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.302353] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.308907] [] ? __lru_cache_add+0x187/0x250 [ 37.314941] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.322015] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.327961] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.335041] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.341156] [] ? __fget_light+0x158/0x1e0 [ 37.346937] [] ? __fdget+0x18/0x20 [ 37.352101] [] ? sockfd_lookup_light+0x118/0x160 [ 37.358476] [] __sys_sendmsg+0xd6/0x190 [ 37.364072] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.369843] [] ? __do_page_fault+0x5ec/0xd40 [ 37.375873] [] 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 [ 37.381819] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 37.388372] [] do_fast_syscall_32+0x2f7/0x890 [ 37.394487] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.401123] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program