[....] Starting enhanced syslogd: rsyslogd[ 13.246316] audit: type=1400 audit(1513023133.298:4): avc: denied { syslog } for pid=3194 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-0,10.128.0.41' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 27.758912] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 27.767618] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.773033] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 27.780792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.790118] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 27.798088] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 27.806036] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 27.813987] Call Trace: [ 27.816544] [] dump_stack+0xc1/0x128 [ 27.821872] [] check_preemption_disabled+0x1d4/0x200 [ 27.828595] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.835062] [] ipcomp_init_state+0x188/0x930 [ 27.841085] [] ? __lock_is_held+0xa1/0xf0 [ 27.846846] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.852868] [] __xfrm_init_state+0x3e7/0xb30 [ 27.858900] [] xfrm_init_state+0x1a/0x20 [ 27.864578] [] pfkey_add+0x1fb9/0x3470 [ 27.870087] [] ? pfkey_delete+0x360/0x360 [ 27.875859] [] ? pfkey_seq_stop+0x80/0x80 [ 27.881630] [] ? __skb_clone+0x24a/0x7d0 [ 27.887306] [] ? pfkey_delete+0x360/0x360 [ 27.893066] [] pfkey_process+0x61e/0x730 [ 27.898741] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.905548] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.912353] [] pfkey_sendmsg+0x3a9/0x760 [ 27.918027] [] ? pfkey_spdget+0x820/0x820 [ 27.923788] [] sock_sendmsg+0xca/0x110 [ 27.929290] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.935052] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.941594] [] ? __lru_cache_add+0x187/0x250 [ 27.947618] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 27.954695] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.960635] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 27.967700] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.973808] [] ? __lock_is_held+0xa1/0xf0 [ 27.979568] [] ? __pmd_alloc+0x410/0x410 [ 27.985243] [] ? __fget_light+0x158/0x1e0 [ 27.991004] [] ? __fdget+0x18/0x20 [ 27.996163] [] __sys_sendmsg+0xd6/0x190 [ 28.001755] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 28.007522] [] ? __do_page_fault+0x5ec/0xd40 [ 28.013775] [] ? __do_page_fault+0x3bd/0xd40 [ 28.019797] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.026602] [] SyS_sendmsg+0x2d/0x50 [ 28.031935] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 28.040750] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 28.049512] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.054927] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 28.062683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.072006] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 28.079957] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 28.087900] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 28.095843] Call Trace: [ 28.098396] [] dump_stack+0xc1/0x128 [ 28.103727] [] check_preemption_disabled+0x1d4/0x200 [ 28.110442] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.116897] [] ipcomp_init_state+0x188/0x930 [ 28.122922] [] ? __lock_is_held+0xa1/0xf0 [ 28.128685] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.134705] [] __xfrm_init_state+0x3e7/0xb30 [ 28.140732] [] xfrm_init_state+0x1a/0x20 [ 28.146410] [] pfkey_add+0x1fb9/0x3470 [ 28.151910] [] ? pfkey_delete+0x360/0x360 [ 28.157672] [] ? pfkey_seq_stop+0x80/0x80 [ 28.163442] [] ? __skb_clone+0x24a/0x7d0 [ 28.169121] [] ? pfkey_delete+0x360/0x360 [ 28.174884] [] pfkey_process+0x61e/0x730 [ 28.180567] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.187371] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.194174] [] pfkey_sendmsg+0x3a9/0x760 [ 28.199848] [] ? pfkey_spdget+0x820/0x820 [ 28.205609] [] sock_sendmsg+0xca/0x110 [ 28.211111] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.216871] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.223414] [] ? __lru_cache_add+0x187/0x250 [ 28.229437] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.236502] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.242436] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.249500] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.255610] [] ? __lock_is_held+0xa1/0xf0 [ 28.261381] [] ? __pmd_alloc+0x410/0x410 [ 28.267058] [] ? __fget_light+0x158/0x1e0 [ 28.272817] [] ? __fdget+0x18/0x20 [ 28.277969] [] __sys_sendmsg+0xd6/0x190 [ 28.283558] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.289318] [] ? __do_page_fault+0x5ec/0xd40 [ 28.295341] [] ? __do_page_fault+0x3bd/0xd40 [ 28.301366] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 28.308177] [] SyS_sendmsg+0x2d/0x50 [ 28.313510] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 28.322223] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 28.330885] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.336325] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 28.344087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.353407] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 28.361353] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 28.369308] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 28.377264] Call Trace: [ 28.379819] [] dump_stack+0xc1/0x128 [ 28.385149] [] check_preemption_disabled+0x1d4/0x200 [ 28.391873] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.398331] [] ipcomp_init_state+0x188/0x930 [ 28.404353] [] ? __lock_is_held+0xa1/0xf0 [ 28.410126] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.416151] [] __xfrm_init_state+0x3e7/0xb30 [ 28.422174] [] xfrm_init_state+0x1a/0x20 [ 28.427854] [] pfkey_add+0x1fb9/0x3470 [ 28.433361] [] ? pfkey_delete+0x360/0x360 [ 28.439123] [] ? pfkey_seq_stop+0x80/0x80 [ 28.444885] [] ? __skb_clone+0x24a/0x7d0 [ 28.450557] [] ? pfkey_delete+0x360/0x360 [ 28.456319] [] pfkey_process+0x61e/0x730 [ 28.461992] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.468798] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.475605] [] pfkey_sendmsg+0x3a9/0x760 [ 28.481280] [] ? pfkey_spdget+0x820/0x820 [ 28.487044] [] sock_sendmsg+0xca/0x110 [ 28.492546] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.498309] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.504872] [] ? __lru_cache_add+0x187/0x250 [ 28.510898] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.517962] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.523895] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.530968] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.537084] [] ? __lock_is_held+0xa1/0xf0 [ 28.542845] [] ? __pmd_alloc+0x410/0x410 [ 28.548520] [] ? __fget_light+0x158/0x1e0 [ 28.554281] [] ? __fdget+0x18/0x20 executing program [ 28.559436] [] __sys_sendmsg+0xd6/0x190 [ 28.565028] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.570793] [] ? __do_page_fault+0x5ec/0xd40 [ 28.576820] [] ? __do_page_fault+0x3bd/0xd40 [ 28.582842] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.589645] [] SyS_sendmsg+0x2d/0x50 [ 28.594980] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 28.603531] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 28.612206] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.617639] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 28.625396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.634718] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 28.642672] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 28.650615] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 28.658561] Call Trace: [ 28.661126] [] dump_stack+0xc1/0x128 [ 28.666467] [] check_preemption_disabled+0x1d4/0x200 [ 28.673185] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.679643] [] ipcomp_init_state+0x188/0x930 [ 28.685665] [] ? __lock_is_held+0xa1/0xf0 [ 28.691427] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.697449] [] __xfrm_init_state+0x3e7/0xb30 [ 28.703470] [] xfrm_init_state+0x1a/0x20 [ 28.709154] [] pfkey_add+0x1fb9/0x3470 [ 28.714655] [] ? pfkey_delete+0x360/0x360 [ 28.720419] [] ? pfkey_seq_stop+0x80/0x80 [ 28.726183] [] ? __skb_clone+0x24a/0x7d0 [ 28.731870] [] ? pfkey_delete+0x360/0x360 [ 28.737644] [] pfkey_process+0x61e/0x730 [ 28.743329] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.750141] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.756954] [] pfkey_sendmsg+0x3a9/0x760 [ 28.762651] [] ? pfkey_spdget+0x820/0x820 [ 28.768413] [] sock_sendmsg+0xca/0x110 [ 28.773913] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.779675] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.786218] [] ? __lru_cache_add+0x187/0x250 [ 28.792247] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.799317] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.805265] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.812342] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.818454] [] ? __lock_is_held+0xa1/0xf0 [ 28.824221] [] ? __pmd_alloc+0x410/0x410 [ 28.829897] [] ? __fget_light+0x158/0x1e0 [ 28.835656] [] ? __fdget+0x18/0x20 [ 28.840818] [] __sys_sendmsg+0xd6/0x190 [ 28.846405] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.852169] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 28.858192] [] ? __do_page_fault+0x3bd/0xd40 [ 28.864216] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.871021] [] SyS_sendmsg+0x2d/0x50 [ 28.876355] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 28.885072] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 28.893741] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.899178] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 28.906936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.916255] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 28.924196] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 28.932136] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 28.940091] Call Trace: [ 28.942646] [] dump_stack+0xc1/0x128 [ 28.947975] [] check_preemption_disabled+0x1d4/0x200 [ 28.954692] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.961151] [] ipcomp_init_state+0x188/0x930 [ 28.967175] [] ? __lock_is_held+0xa1/0xf0 [ 28.972935] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.978964] [] __xfrm_init_state+0x3e7/0xb30 [ 28.984985] [] xfrm_init_state+0x1a/0x20 [ 28.990658] [] pfkey_add+0x1fb9/0x3470 [ 28.996157] [] ? pfkey_delete+0x360/0x360 [ 29.001920] [] ? pfkey_seq_stop+0x80/0x80 [ 29.007682] [] ? __skb_clone+0x24a/0x7d0 [ 29.013357] [] ? pfkey_delete+0x360/0x360 [ 29.019119] [] pfkey_process+0x61e/0x730 [ 29.024795] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.031598] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.038403] [] pfkey_sendmsg+0x3a9/0x760 [ 29.044090] [] ? pfkey_spdget+0x820/0x820 [ 29.049865] [] sock_sendmsg+0xca/0x110 [ 29.055368] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.061129] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.067673] [] ? __lru_cache_add+0x187/0x250 [ 29.073703] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.080768] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.086703] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.093772] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.099892] [] ? __lock_is_held+0xa1/0xf0 [ 29.105663] [] ? __pmd_alloc+0x410/0x410 executing program [ 29.111336] [] ? __fget_light+0x158/0x1e0 [ 29.117096] [] ? __fdget+0x18/0x20 [ 29.122260] [] __sys_sendmsg+0xd6/0x190 [ 29.127856] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.133624] [] ? __do_page_fault+0x5ec/0xd40 [ 29.139654] [] ? __do_page_fault+0x3bd/0xd40 [ 29.145682] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.152489] [] SyS_sendmsg+0x2d/0x50 [ 29.157845] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 29.166852] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 29.175514] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.180985] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 29.188756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.198081] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 29.206038] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 29.213979] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 29.221925] Call Trace: [ 29.224483] [] dump_stack+0xc1/0x128 [ 29.229813] [] check_preemption_disabled+0x1d4/0x200 [ 29.236532] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.242992] [] ipcomp_init_state+0x188/0x930 [ 29.249020] [] ? __lock_is_held+0xa1/0xf0 [ 29.254784] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.260809] [] __xfrm_init_state+0x3e7/0xb30 [ 29.266831] [] xfrm_init_state+0x1a/0x20 [ 29.272507] [] pfkey_add+0x1fb9/0x3470 [ 29.278007] [] ? pfkey_delete+0x360/0x360 [ 29.283767] [] ? pfkey_seq_stop+0x80/0x80 [ 29.289536] [] ? __skb_clone+0x24a/0x7d0 [ 29.295227] [] ? pfkey_delete+0x360/0x360 [ 29.300993] [] pfkey_process+0x61e/0x730 [ 29.306669] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.313471] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.320273] [] pfkey_sendmsg+0x3a9/0x760 [ 29.325949] [] ? pfkey_spdget+0x820/0x820 [ 29.331713] [] sock_sendmsg+0xca/0x110 [ 29.337222] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.342984] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.349528] [] ? __lru_cache_add+0x187/0x250 [ 29.355550] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.362614] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.368551] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.375616] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.381726] [] ? __lock_is_held+0xa1/0xf0 [ 29.387484] [] ? __pmd_alloc+0x410/0x410 [ 29.393168] [] ? __fget_light+0x158/0x1e0 [ 29.398929] [] ? __fdget+0x18/0x20 [ 29.404082] [] __sys_sendmsg+0xd6/0x190 [ 29.409679] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 29.415443] [] ? __do_page_fault+0x5ec/0xd40 [ 29.421464] [] ? __do_page_fault+0x3bd/0xd40 [ 29.427487] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.434293] [] SyS_sendmsg+0x2d/0x50 [ 29.439620] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 29.448360] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 29.457029] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.462454] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 29.470213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.479548] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 29.487509] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 29.495469] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 29.503432] Call Trace: [ 29.505993] [] dump_stack+0xc1/0x128 [ 29.511331] [] check_preemption_disabled+0x1d4/0x200 [ 29.518057] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.524535] [] ipcomp_init_state+0x188/0x930 [ 29.530564] [] ? __lock_is_held+0xa1/0xf0 [ 29.536349] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.542380] [] __xfrm_init_state+0x3e7/0xb30 [ 29.548409] [] xfrm_init_state+0x1a/0x20 [ 29.554084] [] pfkey_add+0x1fb9/0x3470 [ 29.559592] [] ? pfkey_delete+0x360/0x360 [ 29.565352] [] ? pfkey_seq_stop+0x80/0x80 [ 29.571125] [] ? __skb_clone+0x24a/0x7d0 [ 29.576806] [] ? pfkey_delete+0x360/0x360 [ 29.582571] [] pfkey_process+0x61e/0x730 [ 29.588248] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.595057] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.601860] [] pfkey_sendmsg+0x3a9/0x760 [ 29.607532] [] ? pfkey_spdget+0x820/0x820 [ 29.613293] [] sock_sendmsg+0xca/0x110 [ 29.618792] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.624553] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.631095] [] ? __lru_cache_add+0x187/0x250 [ 29.637121] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.644186] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.650122] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.657185] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.663292] [] ? __lock_is_held+0xa1/0xf0 [ 29.669065] [] ? __pmd_alloc+0x410/0x410 [ 29.674747] [] ? __fget_light+0x158/0x1e0 [ 29.680512] [] ? __fdget+0x18/0x20 [ 29.685666] [] __sys_sendmsg+0xd6/0x190 [ 29.691267] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.697034] [] ? __do_page_fault+0x5ec/0xd40 [ 29.703055] [] ? __do_page_fault+0x3bd/0xd40 [ 29.709077] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 29.715897] [] SyS_sendmsg+0x2d/0x50 [ 29.721228] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 29.730341] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 29.739037] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.744467] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 29.752230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.761554] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 29.769493] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 29.777432] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 29.785374] Call Trace: [ 29.787930] [] dump_stack+0xc1/0x128 [ 29.793295] [] check_preemption_disabled+0x1d4/0x200 [ 29.800023] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.806487] [] ipcomp_init_state+0x188/0x930 [ 29.812517] [] ? __lock_is_held+0xa1/0xf0 [ 29.818287] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.824323] [] __xfrm_init_state+0x3e7/0xb30 [ 29.830345] [] xfrm_init_state+0x1a/0x20 [ 29.836023] [] pfkey_add+0x1fb9/0x3470 [ 29.841520] [] ? pfkey_delete+0x360/0x360 [ 29.847283] [] ? pfkey_seq_stop+0x80/0x80 [ 29.853044] [] ? __skb_clone+0x24a/0x7d0 [ 29.858720] [] ? pfkey_delete+0x360/0x360 [ 29.864484] [] pfkey_process+0x61e/0x730 [ 29.870161] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.876966] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.883779] [] pfkey_sendmsg+0x3a9/0x760 [ 29.889466] [] ? pfkey_spdget+0x820/0x820 [ 29.895230] [] sock_sendmsg+0xca/0x110 [ 29.900739] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.906523] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.913070] [] ? __lru_cache_add+0x187/0x250 [ 29.919092] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.926180] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.932118] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.939190] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.945300] [] ? __lock_is_held+0xa1/0xf0 [ 29.951068] [] ? __pmd_alloc+0x410/0x410 [ 29.956744] [] ? __fget_light+0x158/0x1e0 [ 29.962506] [] ? __fdget+0x18/0x20 executing program [ 29.967661] [] __sys_sendmsg+0xd6/0x190 [ 29.973247] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.979009] [] ? __do_page_fault+0x5ec/0xd40 [ 29.985029] [] ? __do_page_fault+0x3bd/0xd40 [ 29.991063] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.997866] [] SyS_sendmsg+0x2d/0x50 [ 30.003202] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.012183] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 30.020860] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.026304] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 30.034072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.043402] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 30.051352] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 30.059301] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 30.067254] Call Trace: [ 30.069810] [] dump_stack+0xc1/0x128 [ 30.075146] [] check_preemption_disabled+0x1d4/0x200 [ 30.081870] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.088326] [] ipcomp_init_state+0x188/0x930 [ 30.094348] [] ? __lock_is_held+0xa1/0xf0 [ 30.100108] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.106129] [] __xfrm_init_state+0x3e7/0xb30 [ 30.112149] [] xfrm_init_state+0x1a/0x20 [ 30.117828] [] pfkey_add+0x1fb9/0x3470 [ 30.123329] [] ? pfkey_delete+0x360/0x360 [ 30.129100] [] ? pfkey_seq_stop+0x80/0x80 [ 30.134870] [] ? __skb_clone+0x24a/0x7d0 [ 30.140546] [] ? pfkey_delete+0x360/0x360 [ 30.146308] [] pfkey_process+0x61e/0x730 [ 30.151983] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.158800] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.165616] [] pfkey_sendmsg+0x3a9/0x760 [ 30.171293] [] ? pfkey_spdget+0x820/0x820 [ 30.177055] [] sock_sendmsg+0xca/0x110 [ 30.182566] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.188330] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.194879] [] ? __lru_cache_add+0x187/0x250 [ 30.200901] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.207966] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.213899] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.220964] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.227083] [] ? __lock_is_held+0xa1/0xf0 [ 30.232854] [] ? __pmd_alloc+0x410/0x410 [ 30.238529] [] ? __fget_light+0x158/0x1e0 [ 30.244290] [] ? __fdget+0x18/0x20 [ 30.249445] [] __sys_sendmsg+0xd6/0x190 [ 30.255040] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.260806] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 30.266828] [] ? __do_page_fault+0x3bd/0xd40 [ 30.272852] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.279655] [] SyS_sendmsg+0x2d/0x50 [ 30.284986] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 30.293936] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller288586/3350 [ 30.302602] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.308044] CPU: 1 PID: 3350 Comm: syzkaller288586 Not tainted 4.9.68-gfb66dc2 #107 [ 30.315807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.325123] ffff8801d95176d8 ffffffff81d90889 0000000000000001 ffffffff83c17800 [ 30.333061] ffffffff83f42ec0 ffff8801d5394800 0000000000000003 ffff8801d9517718 [ 30.341004] ffffffff81df7854 ffff8801d9517730 ffffffff83f42ec0 dffffc0000000000 [ 30.348952] Call Trace: [ 30.351503] [] dump_stack+0xc1/0x128 [ 30.356836] [] check_preemption_disabled+0x1d4/0x200 [ 30.363550] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.370005] [] ipcomp_init_state+0x188/0x930 [ 30.376024] [] ? __lock_is_held+0xa1/0xf0 [ 30.381786] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.387811] [] __xfrm_init_state+0x3e7/0xb30 [ 30.393832] [] xfrm_init_state+0x1a/0x20 [ 30.399508] [] pfkey_add+0x1fb9/0x3470 [ 30.405007] [] ? pfkey_delete+0x360/0x360 [ 30.410776] [] ? pfkey_seq_stop+0x80/0x80 [ 30.416538] [] ? __skb_clone+0x24a/0x7d0 [ 30.422215] [] ? pfkey_delete+0x360/0x360 [ 30.427977] [] pfkey_process+0x61e/0x730 [ 30.433653] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.440458] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.447263] [] pfkey_sendmsg+0x3a9/0x760 [ 30.452939] [] ? pfkey_spdget+0x820/0x820 [ 30.458702] [] sock_sendmsg+0xca/0x110 [ 30.464201] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.469966] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.476517] [] ? __lru_cache_add+0x187/0x250 [ 30.482547] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.489610] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.495545] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.502625] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.508742] [] ? __lock_is_held+0xa1/0xf0 [ 30.514506] [] ? __pmd_alloc+0x410/0x410 [ 30.520179] [] ? __fget_light+0x158/0x1e0 [ 30.525937] [] ? __fdget+0x18/0x20 [ 30.531093] [] __sys_sendmsg+0xd6/0x190 [ 30.536679] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.542442] [] ? __do_page_fault+0x5ec/0xd40 [ 30.548464] [] ? __do_page_fault+0x3bd/0xd40 [ 30.554486] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.561290] [] SyS_sendmsg+0x2d/0x50 [ 30.566631] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program