[....] Starting enhanced syslogd: rsyslogd[ 10.754497] audit: type=1400 audit(1516957529.091:4): avc: denied { syslog } for pid=3168 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 39.773258] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 39.774486] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.775244] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 39.776271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.777542] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 39.778708] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 39.779860] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 39.781030] Call Trace: [ 39.781388] [] dump_stack+0xc1/0x128 [ 39.782100] [] check_preemption_disabled+0x1d4/0x200 [ 39.782992] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.783888] [] ipcomp_init_state+0x188/0x930 [ 39.784690] [] ? __lock_is_held+0xa1/0xf0 [ 39.785477] [] ipcomp4_init_state+0xb0/0x7d0 [ 39.786276] [] __xfrm_init_state+0x3e7/0xb30 [ 39.787075] [] xfrm_init_state+0x1a/0x20 [ 39.787832] [] pfkey_add+0x1fb9/0x3470 [ 39.788582] [] ? pfkey_delete+0x360/0x360 [ 39.789364] [] ? pfkey_seq_stop+0x80/0x80 [ 39.790137] [] ? __skb_clone+0x24a/0x7d0 [ 39.790893] [] ? pfkey_delete+0x360/0x360 [ 39.791697] [] pfkey_process+0x68b/0x750 [ 39.792452] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 39.793391] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.800200] [] pfkey_sendmsg+0x3a9/0x760 [ 39.805879] [] ? pfkey_spdget+0x820/0x820 [ 39.811646] [] sock_sendmsg+0xca/0x110 [ 39.817151] [] ___sys_sendmsg+0x6d1/0x7e0 [ 39.822917] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.829466] [] ? __lru_cache_add+0x187/0x250 [ 39.835495] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 39.842562] [] ? _raw_spin_unlock+0x2c/0x50 [ 39.848502] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 39.855580] [] ? handle_mm_fault+0x6ee/0x2530 [ 39.861693] [] ? __lock_is_held+0xa1/0xf0 [ 39.867456] [] ? __pmd_alloc+0x410/0x410 [ 39.873135] [] ? __fget_light+0x158/0x1e0 [ 39.878899] [] ? __fdget+0x18/0x20 [ 39.884060] [] __sys_sendmsg+0xd6/0x190 [ 39.889652] [] ? SyS_shutdown+0x1b0/0x1b0 [ 39.895416] [] ? __do_page_fault+0x5ec/0xd40 [ 39.901441] [] ? __do_page_fault+0x3bd/0xd40 [ 39.907467] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.914283] [] SyS_sendmsg+0x2d/0x50 executing program [ 39.919614] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 39.928624] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 39.937384] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.942806] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 39.950481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.959807] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 39.967772] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 39.975735] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 39.983697] Call Trace: [ 39.986252] [] dump_stack+0xc1/0x128 [ 39.991582] [] check_preemption_disabled+0x1d4/0x200 [ 39.998302] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.004765] [] ipcomp_init_state+0x188/0x930 [ 40.010803] [] ? __lock_is_held+0xa1/0xf0 [ 40.016580] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.022606] [] __xfrm_init_state+0x3e7/0xb30 [ 40.028631] [] xfrm_init_state+0x1a/0x20 [ 40.034312] [] pfkey_add+0x1fb9/0x3470 [ 40.039815] [] ? pfkey_delete+0x360/0x360 [ 40.045580] [] ? pfkey_seq_stop+0x80/0x80 [ 40.051347] [] ? __skb_clone+0x24a/0x7d0 [ 40.057026] [] ? pfkey_delete+0x360/0x360 [ 40.062804] [] pfkey_process+0x68b/0x750 [ 40.068484] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 40.075291] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.082100] [] pfkey_sendmsg+0x3a9/0x760 [ 40.087780] [] ? pfkey_spdget+0x820/0x820 [ 40.093546] [] sock_sendmsg+0xca/0x110 [ 40.099050] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.104815] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.111364] [] ? __lru_cache_add+0x187/0x250 [ 40.117388] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.124455] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.130394] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.137472] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.143584] [] ? __lock_is_held+0xa1/0xf0 [ 40.149351] [] ? __pmd_alloc+0x410/0x410 [ 40.155030] [] ? __fget_light+0x158/0x1e0 [ 40.160796] [] ? __fdget+0x18/0x20 [ 40.165953] [] __sys_sendmsg+0xd6/0x190 executing program [ 40.171549] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.177318] [] ? __do_page_fault+0x5ec/0xd40 [ 40.183354] [] ? __do_page_fault+0x3bd/0xd40 [ 40.189382] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.196190] [] SyS_sendmsg+0x2d/0x50 [ 40.201523] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 40.210568] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 40.219288] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.224710] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 40.232388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.241713] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 40.249678] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 40.257637] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 40.265601] Call Trace: [ 40.268156] [] dump_stack+0xc1/0x128 [ 40.273490] [] check_preemption_disabled+0x1d4/0x200 [ 40.280211] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.286671] [] ipcomp_init_state+0x188/0x930 [ 40.292701] [] ? __lock_is_held+0xa1/0xf0 [ 40.298468] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.304492] [] __xfrm_init_state+0x3e7/0xb30 [ 40.310519] [] xfrm_init_state+0x1a/0x20 [ 40.316205] [] pfkey_add+0x1fb9/0x3470 [ 40.321722] [] ? pfkey_delete+0x360/0x360 [ 40.327486] [] ? pfkey_seq_stop+0x80/0x80 [ 40.333251] [] ? __skb_clone+0x24a/0x7d0 [ 40.338932] [] ? pfkey_delete+0x360/0x360 [ 40.344699] [] pfkey_process+0x68b/0x750 [ 40.350381] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 40.357193] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.364011] [] pfkey_sendmsg+0x3a9/0x760 [ 40.369692] [] ? pfkey_spdget+0x820/0x820 [ 40.375460] [] sock_sendmsg+0xca/0x110 [ 40.380969] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.386736] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.393283] [] ? __lru_cache_add+0x187/0x250 [ 40.399308] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.406376] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.412316] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.419382] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.425493] [] ? __lock_is_held+0xa1/0xf0 [ 40.431257] [] ? __pmd_alloc+0x410/0x410 [ 40.436938] [] ? __fget_light+0x158/0x1e0 [ 40.442702] [] ? __fdget+0x18/0x20 [ 40.447856] [] __sys_sendmsg+0xd6/0x190 [ 40.453448] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.459214] [] ? __do_page_fault+0x5ec/0xd40 [ 40.465239] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 40.471267] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.478074] [] SyS_sendmsg+0x2d/0x50 [ 40.483404] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 40.492340] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 40.501026] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.506448] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 40.514122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.523447] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 40.531426] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 40.539387] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 40.547347] Call Trace: [ 40.549905] [] dump_stack+0xc1/0x128 [ 40.555255] [] check_preemption_disabled+0x1d4/0x200 [ 40.561977] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.568439] [] ipcomp_init_state+0x188/0x930 [ 40.574467] [] ? __lock_is_held+0xa1/0xf0 [ 40.580232] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.586254] [] __xfrm_init_state+0x3e7/0xb30 [ 40.592281] [] xfrm_init_state+0x1a/0x20 [ 40.597962] [] pfkey_add+0x1fb9/0x3470 [ 40.603465] [] ? pfkey_delete+0x360/0x360 [ 40.609229] [] ? pfkey_seq_stop+0x80/0x80 [ 40.614997] [] ? __skb_clone+0x24a/0x7d0 [ 40.620673] [] ? pfkey_delete+0x360/0x360 [ 40.626436] [] pfkey_process+0x68b/0x750 [ 40.632113] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 40.638924] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.645736] [] pfkey_sendmsg+0x3a9/0x760 [ 40.651416] [] ? pfkey_spdget+0x820/0x820 [ 40.657183] [] sock_sendmsg+0xca/0x110 [ 40.662685] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.668449] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.674999] [] ? __lru_cache_add+0x187/0x250 [ 40.681030] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.688101] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.694040] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.701111] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.707222] [] ? __lock_is_held+0xa1/0xf0 [ 40.713072] [] ? __pmd_alloc+0x410/0x410 [ 40.718750] [] ? __fget_light+0x158/0x1e0 executing program [ 40.724512] [] ? __fdget+0x18/0x20 [ 40.729671] [] __sys_sendmsg+0xd6/0x190 [ 40.735272] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.741042] [] ? __do_page_fault+0x5ec/0xd40 [ 40.747068] [] ? __do_page_fault+0x3bd/0xd40 [ 40.753096] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.759905] [] SyS_sendmsg+0x2d/0x50 [ 40.765236] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 40.774232] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 40.782920] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.788368] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 40.796048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.805374] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 40.813339] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 40.821301] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 40.829265] Call Trace: [ 40.831820] [] dump_stack+0xc1/0x128 [ 40.837151] [] check_preemption_disabled+0x1d4/0x200 [ 40.843869] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.850326] [] ipcomp_init_state+0x188/0x930 [ 40.856349] [] ? __lock_is_held+0xa1/0xf0 [ 40.862117] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.868150] [] __xfrm_init_state+0x3e7/0xb30 [ 40.874182] [] xfrm_init_state+0x1a/0x20 [ 40.879860] [] pfkey_add+0x1fb9/0x3470 [ 40.885363] [] ? pfkey_delete+0x360/0x360 [ 40.891128] [] ? pfkey_seq_stop+0x80/0x80 [ 40.896894] [] ? __skb_clone+0x24a/0x7d0 [ 40.902574] [] ? pfkey_delete+0x360/0x360 [ 40.908695] [] pfkey_process+0x68b/0x750 [ 40.914375] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 40.921184] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.927990] [] pfkey_sendmsg+0x3a9/0x760 [ 40.933668] [] ? pfkey_spdget+0x820/0x820 [ 40.939435] [] sock_sendmsg+0xca/0x110 [ 40.944941] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.950716] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.957264] [] ? __lru_cache_add+0x187/0x250 [ 40.963291] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.970360] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.976297] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.983365] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.989478] [] ? __lock_is_held+0xa1/0xf0 [ 40.995241] [] ? __pmd_alloc+0x410/0x410 [ 41.000921] [] ? __fget_light+0x158/0x1e0 [ 41.006685] [] ? __fdget+0x18/0x20 [ 41.011842] [] __sys_sendmsg+0xd6/0x190 [ 41.017433] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 41.023198] [] ? __do_page_fault+0x5ec/0xd40 [ 41.029225] [] ? __do_page_fault+0x3bd/0xd40 [ 41.035251] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.042055] [] SyS_sendmsg+0x2d/0x50 [ 41.047384] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 41.056329] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 41.065016] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.070462] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 41.078140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.087465] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 41.095430] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 41.103387] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 41.111356] Call Trace: [ 41.113911] [] dump_stack+0xc1/0x128 [ 41.119244] [] check_preemption_disabled+0x1d4/0x200 [ 41.125962] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.132433] [] ipcomp_init_state+0x188/0x930 [ 41.138461] [] ? __lock_is_held+0xa1/0xf0 [ 41.144227] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.150251] [] __xfrm_init_state+0x3e7/0xb30 [ 41.156276] [] xfrm_init_state+0x1a/0x20 [ 41.161953] [] pfkey_add+0x1fb9/0x3470 [ 41.167457] [] ? pfkey_delete+0x360/0x360 [ 41.173220] [] ? pfkey_seq_stop+0x80/0x80 [ 41.178985] [] ? __skb_clone+0x24a/0x7d0 [ 41.184664] [] ? pfkey_delete+0x360/0x360 [ 41.190428] [] pfkey_process+0x68b/0x750 [ 41.196105] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.202911] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.209718] [] pfkey_sendmsg+0x3a9/0x760 [ 41.215394] [] ? pfkey_spdget+0x820/0x820 [ 41.221158] [] sock_sendmsg+0xca/0x110 [ 41.226661] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.232429] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.238978] [] ? __lru_cache_add+0x187/0x250 [ 41.245007] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 41.252077] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.258014] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 41.265081] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.271194] [] ? __lock_is_held+0xa1/0xf0 [ 41.276957] [] ? __pmd_alloc+0x410/0x410 [ 41.282637] [] ? __fget_light+0x158/0x1e0 [ 41.288399] [] ? __fdget+0x18/0x20 [ 41.293557] [] __sys_sendmsg+0xd6/0x190 [ 41.299158] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.304923] [] ? __do_page_fault+0x5ec/0xd40 [ 41.310948] [] ? __do_page_fault+0x3bd/0xd40 [ 41.316975] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.323791] [] SyS_sendmsg+0x2d/0x50 executing program [ 41.329120] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 41.338110] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 41.346769] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.352229] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 41.359994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.369318] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.377281] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 41.385240] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 41.393197] Call Trace: [ 41.395755] [] dump_stack+0xc1/0x128 [ 41.401089] [] check_preemption_disabled+0x1d4/0x200 [ 41.407821] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.407827] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.407834] [] ? __lock_is_held+0xa1/0xf0 [ 41.407844] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.407848] [] __xfrm_init_state+0x3e7/0xb30 [ 41.407851] [] xfrm_init_state+0x1a/0x20 [ 41.407856] [] pfkey_add+0x1fb9/0x3470 [ 41.407859] [] ? pfkey_delete+0x360/0x360 [ 41.407862] [] ? pfkey_seq_stop+0x80/0x80 [ 41.407868] [] ? __skb_clone+0x24a/0x7d0 [ 41.407871] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.407875] [] pfkey_process+0x68b/0x750 [ 41.407878] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.407883] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.407886] [] pfkey_sendmsg+0x3a9/0x760 [ 41.407890] [] ? pfkey_spdget+0x820/0x820 [ 41.407894] [] sock_sendmsg+0xca/0x110 [ 41.407898] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.407902] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.407909] [] ? __lru_cache_add+0x187/0x250 [ 41.407914] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 41.407919] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.407923] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 41.407927] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.407931] [] ? __lock_is_held+0xa1/0xf0 [ 41.407934] [] ? __pmd_alloc+0x410/0x410 [ 41.407939] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.407942] [] ? __fdget+0x18/0x20 [ 41.407945] [] __sys_sendmsg+0xd6/0x190 [ 41.407948] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.407953] [] ? __do_page_fault+0x5ec/0xd40 [ 41.407957] [] ? __do_page_fault+0x3bd/0xd40 [ 41.407962] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.407965] [] SyS_sendmsg+0x2d/0x50 [ 41.407969] [] entry_SYSCALL_64_fastpath+0x29/0xe8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.411925] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 41.411933] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.411938] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 41.411940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.411947] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 41.411952] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.411956] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 41.411957] Call Trace: [ 41.411963] [] dump_stack+0xc1/0x128 [ 41.411968] [] check_preemption_disabled+0x1d4/0x200 [ 41.411972] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.411977] [] ipcomp_init_state+0x188/0x930 [ 41.411988] [] ? __lock_is_held+0xa1/0xf0 [ 41.411993] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.411997] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.412000] [] xfrm_init_state+0x1a/0x20 [ 41.412005] [] pfkey_add+0x1fb9/0x3470 [ 41.412008] [] ? pfkey_delete+0x360/0x360 [ 41.412012] [] ? pfkey_seq_stop+0x80/0x80 [ 41.412017] [] ? __skb_clone+0x24a/0x7d0 [ 41.412021] [] ? pfkey_delete+0x360/0x360 [ 41.412024] [] pfkey_process+0x68b/0x750 [ 41.412028] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.412032] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.412035] [] pfkey_sendmsg+0x3a9/0x760 [ 41.412039] [] ? pfkey_spdget+0x820/0x820 [ 41.412043] [] sock_sendmsg+0xca/0x110 [ 41.412047] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.412051] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.412057] [] ? __lru_cache_add+0x187/0x250 [ 41.412062] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.412067] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.412071] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 41.412075] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.412078] [] ? __lock_is_held+0xa1/0xf0 [ 41.412081] [] ? __pmd_alloc+0x410/0x410 [ 41.412086] [] ? __fget_light+0x158/0x1e0 [ 41.412089] [] ? __fdget+0x18/0x20 [ 41.412092] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.412095] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.412100] [] ? __do_page_fault+0x5ec/0xd40 [ 41.412104] [] ? __do_page_fault+0x3bd/0xd40 [ 41.412108] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.412111] [] SyS_sendmsg+0x2d/0x50 [ 41.412115] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 41.413626] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 41.413633] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413637] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 41.413639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.413644] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 41.413649] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 41.413653] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 41.413654] Call Trace: [ 41.413659] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413664] [] check_preemption_disabled+0x1d4/0x200 [ 41.413668] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.413672] [] ipcomp_init_state+0x188/0x930 [ 41.413676] [] ? __lock_is_held+0xa1/0xf0 [ 41.413680] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.413684] [] __xfrm_init_state+0x3e7/0xb30 [ 41.413687] [] xfrm_init_state+0x1a/0x20 [ 41.413691] [] pfkey_add+0x1fb9/0x3470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413694] [] ? pfkey_delete+0x360/0x360 [ 41.413697] [] ? pfkey_seq_stop+0x80/0x80 [ 41.413702] [] ? __skb_clone+0x24a/0x7d0 [ 41.413705] [] ? pfkey_delete+0x360/0x360 [ 41.413709] [] pfkey_process+0x68b/0x750 [ 41.413712] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.413716] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.413720] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413723] [] ? pfkey_spdget+0x820/0x820 [ 41.413727] [] sock_sendmsg+0xca/0x110 [ 41.413731] [] ___sys_sendmsg+0x6d1/0x7e0 [ 41.413735] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.413740] [] ? __lru_cache_add+0x187/0x250 [ 41.413745] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 41.413749] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.413753] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413757] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.413760] [] ? __lock_is_held+0xa1/0xf0 [ 41.413763] [] ? __pmd_alloc+0x410/0x410 [ 41.413768] [] ? __fget_light+0x158/0x1e0 [ 41.413771] [] ? __fdget+0x18/0x20 [ 41.413774] [] __sys_sendmsg+0xd6/0x190 [ 41.413778] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.413782] [] ? __do_page_fault+0x5ec/0xd40 [ 41.413786] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.413790] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.413793] [] SyS_sendmsg+0x2d/0x50 [ 41.413797] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 41.415157] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller232488/3335 [ 41.415163] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.415167] CPU: 0 PID: 3335 Comm: syzkaller232488 Not tainted 4.9.78-ge37256c #21 [ 41.415169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415174] ffff8801ca2af6d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 41.415179] ffffffff83f45480 ffff8801cca24800 0000000000000003 ffff8801ca2af718 [ 41.415183] ffffffff81dfb974 ffff8801ca2af730 ffffffff83f45480 dffffc0000000000 [ 41.415184] Call Trace: [ 41.415189] [] dump_stack+0xc1/0x128 [ 41.415193] [] check_preemption_disabled+0x1d4/0x200 [ 41.415197] [] __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415202] [] ipcomp_init_state+0x188/0x930 [ 41.415206] [] ? __lock_is_held+0xa1/0xf0 [ 41.415209] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.415213] [] __xfrm_init_state+0x3e7/0xb30 [ 41.415216] [] xfrm_init_state+0x1a/0x20 [ 41.415220] [] pfkey_add+0x1fb9/0x3470 [ 41.415223] [] ? pfkey_delete+0x360/0x360 [ 41.415226] [] ? pfkey_seq_stop+0x80/0x80 [ 41.415230] [] ? __skb_clone+0x24a/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415234] [] ? pfkey_delete+0x360/0x360 [ 41.415237] [] pfkey_process+0x68b/0x750 [ 41.415240] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.415245] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.415248] [] pfkey_sendmsg+0x3a9/0x760 [ 41.415251] [] ? pfkey_spdget+0x820/0x820 [ 41.415256] [] sock_sendmsg+0xca/0x110 [ 41.415259] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415263] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.415268] [] ? __lru_cache_add+0x187/0x250 [ 41.415273] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 41.415276] [] ? _raw_spin_unlock+0x2c/0x50 [ 41.415281] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 41.415284] [] ? handle_mm_fault+0x6ee/0x2530 [ 41.415288] [] ? __lock_is_held+0xa1/0xf0 [ 41.415291] [] ? __pmd_alloc+0x410/0x410 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415294] [] ? __fget_light+0x158/0x1e0 [ 41.415297] [] ? __fdget+0x18/0x20 [ 41.415301] [] __sys_sendmsg+0xd6/0x190 [ 41.415304] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.415308] [] ? __do_page_fault+0x5ec/0xd40 [ 41.415311] [] ? __do_page_fault+0x3bd/0xd40 [ 41.415316] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.415319] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.415323] [] entry_SYSCALL_64_fastpath+0x29/0xe8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program