[....] Starting enhanced syslogd: rsyslogd[ 13.682680] audit: type=1400 audit(1515882927.224:4): avc: denied { syslog } for pid=3180 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.248' (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: [ 29.413721] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3338 [ 29.422455] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.427960] CPU: 0 PID: 3338 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 29.435635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.444959] ffff8801c8a8f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 29.452919] ffffffff83f44900 ffff8801c8f49800 0000000000000003 ffff8801c8a8f6a8 [ 29.460874] ffffffff81dfa714 ffff8801c8a8f6c0 ffffffff83f44900 dffffc0000000000 [ 29.468836] Call Trace: [ 29.471393] [] dump_stack+0xc1/0x128 [ 29.476727] [] check_preemption_disabled+0x1d4/0x200 [ 29.483447] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.489905] [] ipcomp_init_state+0x188/0x930 [ 29.495930] [] ? __lock_is_held+0xa1/0xf0 [ 29.501695] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.507718] [] __xfrm_init_state+0x3e7/0xb30 [ 29.513742] [] xfrm_init_state+0x1a/0x20 [ 29.519421] [] pfkey_add+0x1fb9/0x3470 [ 29.524924] [] ? pfkey_delete+0x360/0x360 [ 29.530689] [] ? pfkey_seq_stop+0x80/0x80 [ 29.536455] [] ? __skb_clone+0x24a/0x7d0 [ 29.542134] [] ? pfkey_delete+0x360/0x360 [ 29.547898] [] pfkey_process+0x61e/0x730 [ 29.553576] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.560380] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.567184] [] pfkey_sendmsg+0x3a9/0x760 [ 29.572862] [] ? pfkey_spdget+0x820/0x820 [ 29.578627] [] sock_sendmsg+0xca/0x110 [ 29.584131] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.589896] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.596441] [] ? __lru_cache_add+0x187/0x250 [ 29.602469] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.609540] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.615477] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.622551] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.628662] [] ? __fget_light+0x158/0x1e0 [ 29.634425] [] ? __fdget+0x18/0x20 [ 29.639583] [] ? sockfd_lookup_light+0x118/0x160 [ 29.645954] [] __sys_sendmsg+0xd6/0x190 [ 29.651543] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.657321] [] ? __do_page_fault+0x5ec/0xd40 [ 29.663363] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.669312] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.675860] [] do_fast_syscall_32+0x2f7/0x890 [ 29.681970] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.688613] [] entry_SYSENTER_compat+0x74/0x83 [ 29.696274] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3343 [ 29.705059] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.710501] CPU: 1 PID: 3343 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 29.718196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.727533] ffff8801c89df668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 29.735504] ffffffff83f44900 ffff8801ca380000 0000000000000003 ffff8801c89df6a8 [ 29.743459] ffffffff81dfa714 ffff8801c89df6c0 ffffffff83f44900 dffffc0000000000 [ 29.751404] Call Trace: [ 29.753964] [] dump_stack+0xc1/0x128 [ 29.759298] [] check_preemption_disabled+0x1d4/0x200 [ 29.766031] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.772519] [] ipcomp_init_state+0x188/0x930 [ 29.778574] [] ? __lock_is_held+0xa1/0xf0 [ 29.784344] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.790369] [] __xfrm_init_state+0x3e7/0xb30 [ 29.796394] [] xfrm_init_state+0x1a/0x20 [ 29.802075] [] pfkey_add+0x1fb9/0x3470 [ 29.807579] [] ? pfkey_delete+0x360/0x360 [ 29.813359] [] ? pfkey_seq_stop+0x80/0x80 [ 29.819122] [] ? __skb_clone+0x24a/0x7d0 [ 29.824800] [] ? pfkey_delete+0x360/0x360 [ 29.830564] [] pfkey_process+0x61e/0x730 [ 29.836244] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.843054] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.849860] [] pfkey_sendmsg+0x3a9/0x760 [ 29.855536] [] ? pfkey_spdget+0x820/0x820 [ 29.861302] [] sock_sendmsg+0xca/0x110 [ 29.866806] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.872569] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.879118] [] ? __lru_cache_add+0x187/0x250 [ 29.885146] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.892225] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.898189] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.905259] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.911400] [] ? __fget_light+0x158/0x1e0 [ 29.917162] [] ? __fdget+0x18/0x20 [ 29.922319] [] ? sockfd_lookup_light+0x118/0x160 [ 29.928688] [] __sys_sendmsg+0xd6/0x190 [ 29.934278] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.940048] [] ? __do_page_fault+0x5ec/0xd40 [ 29.946077] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.952017] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.958565] [] do_fast_syscall_32+0x2f7/0x890 executing program executing program [ 29.964676] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.971313] [] entry_SYSENTER_compat+0x74/0x83 [ 29.978143] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3341 [ 29.986823] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.992266] CPU: 1 PID: 3341 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 29.999938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.009260] ffff8801c7ddf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.017218] ffffffff83f44900 ffff8801ca381800 0000000000000003 ffff8801c7ddf6a8 [ 30.025166] ffffffff81dfa714 ffff8801c7ddf6c0 ffffffff83f44900 dffffc0000000000 [ 30.033133] Call Trace: [ 30.035702] [] dump_stack+0xc1/0x128 [ 30.041653] [] check_preemption_disabled+0x1d4/0x200 [ 30.048375] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.054850] [] ipcomp_init_state+0x188/0x930 [ 30.060879] [] ? __lock_is_held+0xa1/0xf0 [ 30.066645] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.072672] [] __xfrm_init_state+0x3e7/0xb30 [ 30.078695] [] xfrm_init_state+0x1a/0x20 [ 30.084380] [] pfkey_add+0x1fb9/0x3470 [ 30.089883] [] ? pfkey_delete+0x360/0x360 [ 30.095646] [] ? pfkey_seq_stop+0x80/0x80 [ 30.101428] [] ? __skb_clone+0x24a/0x7d0 [ 30.107105] [] ? pfkey_delete+0x360/0x360 [ 30.112878] [] pfkey_process+0x61e/0x730 [ 30.118551] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.125364] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.132184] [] pfkey_sendmsg+0x3a9/0x760 [ 30.137869] [] ? pfkey_spdget+0x820/0x820 [ 30.143631] [] sock_sendmsg+0xca/0x110 [ 30.149132] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.154895] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.161443] [] ? __lru_cache_add+0x187/0x250 [ 30.167467] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.174535] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.180476] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.187540] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.193663] [] ? __fget_light+0x158/0x1e0 [ 30.199425] [] ? __fdget+0x18/0x20 [ 30.204583] [] ? sockfd_lookup_light+0x118/0x160 [ 30.211040] [] __sys_sendmsg+0xd6/0x190 executing program [ 30.216637] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.222408] [] ? __do_page_fault+0x5ec/0xd40 [ 30.228447] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.234394] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.240940] [] do_fast_syscall_32+0x2f7/0x890 [ 30.247056] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.253699] [] entry_SYSENTER_compat+0x74/0x83 [ 30.260565] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3345 [ 30.269278] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.274827] CPU: 1 PID: 3345 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 30.282502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.291833] ffff8801c7da7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.299811] ffffffff83f44900 ffff8801caa3c800 0000000000000003 ffff8801c7da76a8 [ 30.307758] ffffffff81dfa714 ffff8801c7da76c0 ffffffff83f44900 dffffc0000000000 [ 30.315720] Call Trace: [ 30.318276] [] dump_stack+0xc1/0x128 [ 30.323605] [] check_preemption_disabled+0x1d4/0x200 [ 30.330322] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.336792] [] ipcomp_init_state+0x188/0x930 [ 30.342831] [] ? __lock_is_held+0xa1/0xf0 [ 30.348594] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.354627] [] __xfrm_init_state+0x3e7/0xb30 [ 30.360658] [] xfrm_init_state+0x1a/0x20 [ 30.366336] [] pfkey_add+0x1fb9/0x3470 [ 30.371927] [] ? pfkey_delete+0x360/0x360 [ 30.377699] [] ? pfkey_seq_stop+0x80/0x80 [ 30.383474] [] ? __skb_clone+0x24a/0x7d0 [ 30.389149] [] ? pfkey_delete+0x360/0x360 [ 30.394914] [] pfkey_process+0x61e/0x730 [ 30.400590] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.407407] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.414216] [] pfkey_sendmsg+0x3a9/0x760 [ 30.419898] [] ? pfkey_spdget+0x820/0x820 [ 30.425663] [] sock_sendmsg+0xca/0x110 [ 30.431889] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.437653] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.444200] [] ? __lru_cache_add+0x187/0x250 [ 30.450228] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.457295] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.463231] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.470294] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.476937] [] ? __fget_light+0x158/0x1e0 [ 30.482700] [] ? __fdget+0x18/0x20 [ 30.487854] [] ? sockfd_lookup_light+0x118/0x160 [ 30.494225] [] __sys_sendmsg+0xd6/0x190 [ 30.499814] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.505589] [] ? __do_page_fault+0x5ec/0xd40 [ 30.511641] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 30.517577] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.524126] [] do_fast_syscall_32+0x2f7/0x890 [ 30.530254] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.537262] [] entry_SYSENTER_compat+0x74/0x83 [ 30.543956] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3339 [ 30.552720] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.558232] CPU: 1 PID: 3339 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 30.565992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.575317] ffff8801c7e2f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.583267] ffffffff83f44900 ffff8801c8f4b000 0000000000000003 ffff8801c7e2f6a8 [ 30.591218] ffffffff81dfa714 ffff8801c7e2f6c0 ffffffff83f44900 dffffc0000000000 [ 30.599174] Call Trace: [ 30.601821] [] dump_stack+0xc1/0x128 [ 30.607152] [] check_preemption_disabled+0x1d4/0x200 [ 30.613878] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.620351] [] ipcomp_init_state+0x188/0x930 [ 30.626382] [] ? __lock_is_held+0xa1/0xf0 [ 30.632147] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.638173] [] __xfrm_init_state+0x3e7/0xb30 [ 30.644208] [] xfrm_init_state+0x1a/0x20 [ 30.649889] [] pfkey_add+0x1fb9/0x3470 [ 30.655393] [] ? pfkey_delete+0x360/0x360 [ 30.661185] [] ? pfkey_seq_stop+0x80/0x80 [ 30.666951] [] ? __skb_clone+0x24a/0x7d0 [ 30.672628] [] ? pfkey_delete+0x360/0x360 [ 30.678740] [] pfkey_process+0x61e/0x730 [ 30.684420] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.691227] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.698033] [] pfkey_sendmsg+0x3a9/0x760 [ 30.704503] [] ? pfkey_spdget+0x820/0x820 [ 30.710269] [] sock_sendmsg+0xca/0x110 [ 30.715773] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.721622] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.728167] [] ? __lru_cache_add+0x187/0x250 [ 30.734200] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.741269] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.747306] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.754387] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.760500] [] ? __fget_light+0x158/0x1e0 [ 30.766264] [] ? __fdget+0x18/0x20 [ 30.771424] [] ? sockfd_lookup_light+0x118/0x160 [ 30.777839] [] __sys_sendmsg+0xd6/0x190 [ 30.783696] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.789547] [] ? __do_page_fault+0x5ec/0xd40 [ 30.795572] [] compat_SyS_sendmsg+0x2a/0x40 [ 30.801519] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 30.808064] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 30.814177] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.820809] [] entry_SYSENTER_compat+0x74/0x83 [ 30.827305] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3344 [ 30.836078] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.841500] CPU: 1 PID: 3344 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 30.849179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.858508] ffff8801c899f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 30.866487] ffffffff83f44900 ffff8801caa3e000 0000000000000003 ffff8801c899f6a8 [ 30.874787] ffffffff81dfa714 ffff8801c899f6c0 ffffffff83f44900 dffffc0000000000 [ 30.882728] Call Trace: [ 30.885286] [] dump_stack+0xc1/0x128 [ 30.890617] [] check_preemption_disabled+0x1d4/0x200 [ 30.897346] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.903806] [] ipcomp_init_state+0x188/0x930 [ 30.909850] [] ? __lock_is_held+0xa1/0xf0 [ 30.915619] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.921645] [] __xfrm_init_state+0x3e7/0xb30 [ 30.927757] [] xfrm_init_state+0x1a/0x20 [ 30.933443] [] pfkey_add+0x1fb9/0x3470 [ 30.938945] [] ? pfkey_delete+0x360/0x360 [ 30.944707] [] ? pfkey_seq_stop+0x80/0x80 [ 30.950481] [] ? __skb_clone+0x24a/0x7d0 [ 30.956157] [] ? pfkey_delete+0x360/0x360 [ 30.961919] [] pfkey_process+0x61e/0x730 [ 30.967618] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.974438] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.981259] [] pfkey_sendmsg+0x3a9/0x760 [ 30.986934] [] ? pfkey_spdget+0x820/0x820 [ 30.992698] [] sock_sendmsg+0xca/0x110 [ 30.998203] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.003967] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.010530] [] ? __lru_cache_add+0x187/0x250 [ 31.016556] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.023637] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.029576] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.036658] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.042770] [] ? __fget_light+0x158/0x1e0 [ 31.048530] [] ? __fdget+0x18/0x20 [ 31.053687] [] ? sockfd_lookup_light+0x118/0x160 [ 31.060058] [] __sys_sendmsg+0xd6/0x190 executing program [ 31.065844] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.071627] [] ? __do_page_fault+0x5ec/0xd40 [ 31.077665] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.083610] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 31.090254] [] do_fast_syscall_32+0x2f7/0x890 [ 31.096372] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.103015] [] entry_SYSENTER_compat+0x74/0x83 [ 31.109492] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3342 [ 31.118170] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.123625] CPU: 1 PID: 3342 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 31.131298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.140621] ffff8801c7dcf668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 31.148660] ffffffff83f44900 ffff8801ca386000 0000000000000003 ffff8801c7dcf6a8 [ 31.156625] ffffffff81dfa714 ffff8801c7dcf6c0 ffffffff83f44900 dffffc0000000000 [ 31.164579] Call Trace: [ 31.167137] [] dump_stack+0xc1/0x128 [ 31.172477] [] check_preemption_disabled+0x1d4/0x200 [ 31.179199] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.185659] [] ipcomp_init_state+0x188/0x930 [ 31.191694] [] ? __lock_is_held+0xa1/0xf0 [ 31.197459] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.203481] [] __xfrm_init_state+0x3e7/0xb30 [ 31.209510] [] xfrm_init_state+0x1a/0x20 [ 31.215193] [] pfkey_add+0x1fb9/0x3470 [ 31.220697] [] ? pfkey_delete+0x360/0x360 [ 31.226461] [] ? pfkey_seq_stop+0x80/0x80 [ 31.232232] [] ? __skb_clone+0x24a/0x7d0 [ 31.237911] [] ? pfkey_delete+0x360/0x360 [ 31.243686] [] pfkey_process+0x61e/0x730 [ 31.249362] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.256182] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.262998] [] pfkey_sendmsg+0x3a9/0x760 [ 31.268681] [] ? pfkey_spdget+0x820/0x820 [ 31.274449] [] sock_sendmsg+0xca/0x110 [ 31.279959] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.285729] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.292280] [] ? __lru_cache_add+0x187/0x250 [ 31.298309] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.305379] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.311330] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.318402] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.324517] [] ? __fget_light+0x158/0x1e0 [ 31.330290] [] ? __fdget+0x18/0x20 [ 31.335449] [] ? sockfd_lookup_light+0x118/0x160 [ 31.341836] [] __sys_sendmsg+0xd6/0x190 [ 31.347431] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.353208] [] ? __do_page_fault+0x5ec/0xd40 [ 31.359249] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.365193] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 31.371754] [] do_fast_syscall_32+0x2f7/0x890 [ 31.377971] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.384628] [] entry_SYSENTER_compat+0x74/0x83 [ 31.391233] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3340 [ 31.400098] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.405572] CPU: 1 PID: 3340 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 31.413243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.422572] ffff8801c7e0f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 31.430549] ffffffff83f44900 ffff8801ca383000 0000000000000003 ffff8801c7e0f6a8 [ 31.438533] ffffffff81dfa714 ffff8801c7e0f6c0 ffffffff83f44900 dffffc0000000000 [ 31.446486] Call Trace: [ 31.449056] [] dump_stack+0xc1/0x128 [ 31.454652] [] check_preemption_disabled+0x1d4/0x200 [ 31.461379] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.467934] [] ipcomp_init_state+0x188/0x930 [ 31.473960] [] ? __lock_is_held+0xa1/0xf0 [ 31.479726] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.485766] [] __xfrm_init_state+0x3e7/0xb30 [ 31.491789] [] xfrm_init_state+0x1a/0x20 [ 31.497905] [] pfkey_add+0x1fb9/0x3470 [ 31.503497] [] ? pfkey_delete+0x360/0x360 [ 31.509268] [] ? pfkey_seq_stop+0x80/0x80 [ 31.515042] [] ? __skb_clone+0x24a/0x7d0 [ 31.520720] [] ? pfkey_delete+0x360/0x360 [ 31.526483] [] pfkey_process+0x61e/0x730 [ 31.532167] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.538972] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.545778] [] pfkey_sendmsg+0x3a9/0x760 [ 31.551547] [] ? pfkey_spdget+0x820/0x820 [ 31.557319] [] sock_sendmsg+0xca/0x110 [ 31.562827] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.568611] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.575185] [] ? __lru_cache_add+0x187/0x250 [ 31.581234] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.588345] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.594329] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.601405] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.607515] [] ? __fget_light+0x158/0x1e0 [ 31.613279] [] ? __fdget+0x18/0x20 executing program [ 31.618437] [] ? sockfd_lookup_light+0x118/0x160 [ 31.624810] [] __sys_sendmsg+0xd6/0x190 [ 31.630417] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.636190] [] ? __do_page_fault+0x5ec/0xd40 [ 31.642217] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.648169] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 31.654724] [] do_fast_syscall_32+0x2f7/0x890 [ 31.660862] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.667526] [] entry_SYSENTER_compat+0x74/0x83 [ 31.674178] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3338 [ 31.682951] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.688374] CPU: 0 PID: 3338 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 31.696047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.705414] ffff8801c8a8f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 31.713417] ffffffff83f44900 ffff8801c8f49800 0000000000000003 ffff8801c8a8f6a8 [ 31.721401] ffffffff81dfa714 ffff8801c8a8f6c0 ffffffff83f44900 dffffc0000000000 [ 31.729882] Call Trace: [ 31.732444] [] dump_stack+0xc1/0x128 [ 31.737804] [] check_preemption_disabled+0x1d4/0x200 [ 31.744524] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.750988] [] ipcomp_init_state+0x188/0x930 [ 31.757023] [] ? __lock_is_held+0xa1/0xf0 [ 31.762788] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.768817] [] __xfrm_init_state+0x3e7/0xb30 [ 31.774853] [] xfrm_init_state+0x1a/0x20 [ 31.780638] [] pfkey_add+0x1fb9/0x3470 [ 31.786171] [] ? pfkey_delete+0x360/0x360 [ 31.791935] [] ? pfkey_seq_stop+0x80/0x80 [ 31.797698] [] ? __skb_clone+0x24a/0x7d0 [ 31.803374] [] ? pfkey_delete+0x360/0x360 [ 31.809140] [] pfkey_process+0x61e/0x730 [ 31.814815] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.821622] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.828469] [] pfkey_sendmsg+0x3a9/0x760 [ 31.834165] [] ? pfkey_spdget+0x820/0x820 [ 31.839933] [] sock_sendmsg+0xca/0x110 [ 31.845437] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.851200] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.857747] [] ? __lru_cache_add+0x187/0x250 [ 31.863783] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.870937] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.876971] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.884038] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.890148] [] ? __fget_light+0x158/0x1e0 [ 31.895912] [] ? __fdget+0x18/0x20 [ 31.901068] [] ? sockfd_lookup_light+0x118/0x160 [ 31.907449] [] __sys_sendmsg+0xd6/0x190 [ 31.913038] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.918821] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 31.924848] [] compat_SyS_sendmsg+0x2a/0x40 [ 31.930787] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 31.937334] [] do_fast_syscall_32+0x2f7/0x890 [ 31.943445] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.950077] [] entry_SYSENTER_compat+0x74/0x83 [ 31.957167] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3343 [ 31.965875] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.971325] CPU: 0 PID: 3343 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 31.979006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.988344] ffff8801c89df668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 31.996310] ffffffff83f44900 ffff8801ca380000 0000000000000003 ffff8801c89df6a8 [ 32.004335] ffffffff81dfa714 ffff8801c89df6c0 ffffffff83f44900 dffffc0000000000 [ 32.012301] Call Trace: [ 32.014867] [] dump_stack+0xc1/0x128 [ 32.020206] [] check_preemption_disabled+0x1d4/0x200 [ 32.026930] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.033390] [] ipcomp_init_state+0x188/0x930 [ 32.039424] [] ? __lock_is_held+0xa1/0xf0 [ 32.045191] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.051223] [] __xfrm_init_state+0x3e7/0xb30 [ 32.057248] [] xfrm_init_state+0x1a/0x20 [ 32.062928] [] pfkey_add+0x1fb9/0x3470 [ 32.068438] [] ? pfkey_delete+0x360/0x360 [ 32.074201] [] ? pfkey_seq_stop+0x80/0x80 [ 32.079968] [] ? __skb_clone+0x24a/0x7d0 [ 32.085646] [] ? pfkey_delete+0x360/0x360 [ 32.091415] [] pfkey_process+0x61e/0x730 [ 32.097092] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.103907] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.110713] [] pfkey_sendmsg+0x3a9/0x760 [ 32.116389] [] ? pfkey_spdget+0x820/0x820 [ 32.122153] [] sock_sendmsg+0xca/0x110 [ 32.127656] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.133427] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.139980] [] ? __lru_cache_add+0x187/0x250 [ 32.146013] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.153088] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.159028] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.166094] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.172220] [] ? __fget_light+0x158/0x1e0 [ 32.177984] [] ? __fdget+0x18/0x20 [ 32.183158] [] ? sockfd_lookup_light+0x118/0x160 [ 32.189536] [] __sys_sendmsg+0xd6/0x190 [ 32.195125] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.200900] [] ? __do_page_fault+0x5ec/0xd40 [ 32.206928] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.212874] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.219420] [] 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 [ 32.225541] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.232185] [] 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 [ 34.422512] check_preemption_disabled: 1237 callbacks suppressed [ 34.422519] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller124810/3345 [ 34.437464] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.442931] CPU: 0 PID: 3345 Comm: syzkaller124810 Not tainted 4.9.76-g8e170a5 #21 [ 34.450612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.459935] ffff8801c7da7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 34.467891] ffffffff83f44900 ffff8801caa3c800 0000000000000003 ffff8801c7da76a8 [ 34.475848] ffffffff81dfa714 ffff8801c7da76c0 ffffffff83f44900 dffffc0000000000 [ 34.483814] Call Trace: [ 34.486368] [] dump_stack+0xc1/0x128 [ 34.491709] [] check_preemption_disabled+0x1d4/0x200 [ 34.498430] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.505236] [] ipcomp_init_state+0x188/0x930 [ 34.511360] [] ? __lock_is_held+0xa1/0xf0 [ 34.517127] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.523149] [] __xfrm_init_state+0x3e7/0xb30 [ 34.529180] [] xfrm_init_state+0x1a/0x20 [ 34.536769] [] pfkey_add+0x1fb9/0x3470 [ 34.542384] [] ? pfkey_delete+0x360/0x360 [ 34.548146] [] ? pfkey_seq_stop+0x80/0x80 [ 34.553911] [] ? __skb_clone+0x24a/0x7d0 [ 34.559587] [] ? pfkey_delete+0x360/0x360 [ 34.565349] [] pfkey_process+0x61e/0x730 [ 34.571031] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.577837] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.584643] [] pfkey_sendmsg+0x3a9/0x760 [ 34.590319] [] ? pfkey_spdget+0x820/0x820 [ 34.596344] [] sock_sendmsg+0xca/0x110 [ 34.601844] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.607696] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.614241] [] ? __lru_cache_add+0x187/0x250 [ 34.620263] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.627329] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.634916] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.641982] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.648356] [] ? __fget_light+0x158/0x1e0 [ 34.654123] [] ? __fdget+0x18/0x20 [ 34.659279] [] ? sockfd_lookup_light+0x118/0x160 [ 34.665648] [] __sys_sendmsg+0xd6/0x190 executing program [ 34.671255] [