[....] Starting enhanced syslogd: rsyslogd[ 13.282741] audit: type=1400 audit(1518049768.930:4): avc: denied { syslog } for pid=3650 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 '10.128.0.28' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 24.197159] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.205931] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.211383] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.219065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.228392] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.236389] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 executing program executing program executing program executing program [ 24.244372] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.252340] Call Trace: [ 24.254897] [] dump_stack+0xc1/0x128 [ 24.260230] [] check_preemption_disabled+0x1d4/0x200 [ 24.266950] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.273498] [] ipcomp_init_state+0x188/0x930 [ 24.279538] [] ? __lock_is_held+0xa1/0xf0 [ 24.285326] [] ipcomp4_init_state+0xb0/0x7d0 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 [ 24.285333] [] __xfrm_init_state+0x3e7/0xb30 [ 24.285342] [] xfrm_init_state+0x1a/0x20 [ 24.285349] [] pfkey_add+0x1fb9/0x3470 [ 24.285355] [] ? pfkey_delete+0x360/0x360 [ 24.285360] [] ? pfkey_seq_stop+0x80/0x80 [ 24.285368] [] ? __skb_clone+0x24a/0x7d0 [ 24.285374] [] ? pfkey_delete+0x360/0x360 [ 24.285380] [] pfkey_process+0x68b/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.285386] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.285396] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.285403] [] pfkey_sendmsg+0x3a9/0x760 [ 24.285409] [] ? pfkey_spdget+0x820/0x820 [ 24.285416] [] sock_sendmsg+0xca/0x110 [ 24.285422] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.285429] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.285439] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.285448] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.285455] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.285462] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.285469] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.285475] [] ? __lock_is_held+0xa1/0xf0 [ 24.285481] [] ? __pmd_alloc+0x410/0x410 [ 24.285488] [] ? __fget_light+0x158/0x1e0 [ 24.285493] [] ? __fdget+0x18/0x20 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 [ 24.285499] [] __sys_sendmsg+0xd6/0x190 [ 24.285505] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.285513] [] ? __do_page_fault+0x5ec/0xd40 [ 24.285520] [] ? __do_page_fault+0x3bd/0xd40 [ 24.285528] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.285534] [] SyS_sendmsg+0x2d/0x50 [ 24.285540] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.294185] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.294202] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.294210] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.294213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.294225] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.294234] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.294243] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.294244] Call Trace: [ 24.294254] [] 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 [ 24.294263] [] check_preemption_disabled+0x1d4/0x200 [ 24.294270] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.294279] [] ipcomp_init_state+0x188/0x930 [ 24.294288] [] ? __lock_is_held+0xa1/0xf0 [ 24.294296] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.294302] [] __xfrm_init_state+0x3e7/0xb30 [ 24.294309] [] xfrm_init_state+0x1a/0x20 [ 24.294316] [] 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 [ 24.294323] [] ? pfkey_delete+0x360/0x360 [ 24.294329] [] ? pfkey_seq_stop+0x80/0x80 [ 24.294337] [] ? __skb_clone+0x24a/0x7d0 [ 24.294344] [] ? pfkey_delete+0x360/0x360 [ 24.294350] [] pfkey_process+0x68b/0x750 [ 24.294357] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.294365] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.294372] [] 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 [ 24.294378] [] ? pfkey_spdget+0x820/0x820 [ 24.294386] [] sock_sendmsg+0xca/0x110 [ 24.294392] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.294400] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.294410] [] ? __lru_cache_add+0x187/0x250 [ 24.294419] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.294426] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.294434] [] ? 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 [ 24.294440] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.294448] [] ? __lock_is_held+0xa1/0xf0 [ 24.294453] [] ? __pmd_alloc+0x410/0x410 [ 24.294460] [] ? __fget_light+0x158/0x1e0 [ 24.294466] [] ? __fdget+0x18/0x20 [ 24.294473] [] __sys_sendmsg+0xd6/0x190 [ 24.294479] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.294486] [] ? __do_page_fault+0x5ec/0xd40 [ 24.294494] [] ? __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 [ 24.294502] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.294508] [] SyS_sendmsg+0x2d/0x50 [ 24.294515] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.296323] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.296333] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.296339] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.296343] 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 [ 24.296353] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.296362] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.296371] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.296372] Call Trace: [ 24.296380] [] dump_stack+0xc1/0x128 [ 24.296388] [] check_preemption_disabled+0x1d4/0x200 [ 24.296395] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.296402] [] 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 [ 24.296410] [] ? __lock_is_held+0xa1/0xf0 [ 24.296416] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.296423] [] __xfrm_init_state+0x3e7/0xb30 [ 24.296429] [] xfrm_init_state+0x1a/0x20 [ 24.296435] [] pfkey_add+0x1fb9/0x3470 [ 24.296441] [] ? pfkey_delete+0x360/0x360 [ 24.296447] [] ? pfkey_seq_stop+0x80/0x80 [ 24.296454] [] ? __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 [ 24.296460] [] ? pfkey_delete+0x360/0x360 [ 24.296466] [] pfkey_process+0x68b/0x750 [ 24.296473] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.296481] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.296487] [] pfkey_sendmsg+0x3a9/0x760 [ 24.296493] [] ? pfkey_spdget+0x820/0x820 [ 24.296500] [] sock_sendmsg+0xca/0x110 [ 24.296506] [] ___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 [ 24.296513] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.296521] [] ? __lru_cache_add+0x187/0x250 [ 24.296530] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.296537] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.296543] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.296549] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.296556] [] ? __lock_is_held+0xa1/0xf0 [ 24.296562] [] ? __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 [ 24.296568] [] ? __fget_light+0x158/0x1e0 [ 24.296574] [] ? __fdget+0x18/0x20 [ 24.296580] [] __sys_sendmsg+0xd6/0x190 [ 24.296586] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.296594] [] ? __do_page_fault+0x5ec/0xd40 [ 24.296601] [] ? __do_page_fault+0x3bd/0xd40 [ 24.296609] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.296616] [] SyS_sendmsg+0x2d/0x50 [ 24.296622] [] 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 [ 24.298266] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.298274] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.298280] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.298284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.298293] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.298302] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.298310] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.298311] Call Trace: [ 24.298319] [] dump_stack+0xc1/0x128 [ 24.298327] [] check_preemption_disabled+0x1d4/0x200 [ 24.298334] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.298341] [] ipcomp_init_state+0x188/0x930 [ 24.298348] [] ? __lock_is_held+0xa1/0xf0 [ 24.298355] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.298361] [] __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 [ 24.298366] [] xfrm_init_state+0x1a/0x20 [ 24.298372] [] pfkey_add+0x1fb9/0x3470 [ 24.298379] [] ? pfkey_delete+0x360/0x360 [ 24.298384] [] ? pfkey_seq_stop+0x80/0x80 [ 24.298391] [] ? __skb_clone+0x24a/0x7d0 [ 24.298397] [] ? pfkey_delete+0x360/0x360 [ 24.298403] [] pfkey_process+0x68b/0x750 [ 24.298409] [] ? 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 [ 24.298416] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.298423] [] pfkey_sendmsg+0x3a9/0x760 [ 24.298429] [] ? pfkey_spdget+0x820/0x820 [ 24.298435] [] sock_sendmsg+0xca/0x110 [ 24.298441] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.298448] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.298455] [] ? __lru_cache_add+0x187/0x250 [ 24.298463] [] ? 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 [ 24.298470] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.298477] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.298484] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.298490] [] ? __lock_is_held+0xa1/0xf0 [ 24.298496] [] ? __pmd_alloc+0x410/0x410 [ 24.298502] [] ? __fget_light+0x158/0x1e0 [ 24.298507] [] ? __fdget+0x18/0x20 [ 24.298513] [] __sys_sendmsg+0xd6/0x190 [ 24.298519] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.298526] [] ? __do_page_fault+0x5ec/0xd40 [ 24.298533] [] ? __do_page_fault+0x3bd/0xd40 [ 24.298541] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.298547] [] SyS_sendmsg+0x2d/0x50 [ 24.298553] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.300392] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.300399] 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 [ 24.300405] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.300408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.300418] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.300426] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.300434] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.300435] Call Trace: [ 24.300442] [] dump_stack+0xc1/0x128 [ 24.300450] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.300457] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.300464] [] ipcomp_init_state+0x188/0x930 [ 24.300471] [] ? __lock_is_held+0xa1/0xf0 [ 24.300477] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.300483] [] __xfrm_init_state+0x3e7/0xb30 [ 24.300489] [] xfrm_init_state+0x1a/0x20 [ 24.300495] [] pfkey_add+0x1fb9/0x3470 [ 24.300501] [] ? 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 [ 24.300507] [] ? pfkey_seq_stop+0x80/0x80 [ 24.300514] [] ? __skb_clone+0x24a/0x7d0 [ 24.300519] [] ? pfkey_delete+0x360/0x360 [ 24.300525] [] pfkey_process+0x68b/0x750 [ 24.300532] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.300539] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.300546] [] pfkey_sendmsg+0x3a9/0x760 [ 24.300552] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.300559] [] sock_sendmsg+0xca/0x110 [ 24.300564] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.300571] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.300578] [] ? __lru_cache_add+0x187/0x250 [ 24.300586] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.300592] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.300599] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.300605] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.300612] [] ? __lock_is_held+0xa1/0xf0 [ 24.300618] [] ? __pmd_alloc+0x410/0x410 [ 24.300624] [] ? __fget_light+0x158/0x1e0 [ 24.300629] [] ? __fdget+0x18/0x20 [ 24.300635] [] __sys_sendmsg+0xd6/0x190 [ 24.300641] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.300648] [] ? __do_page_fault+0x5ec/0xd40 [ 24.300655] [] ? __do_page_fault+0x3bd/0xd40 [ 24.300662] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.300668] [] SyS_sendmsg+0x2d/0x50 [ 24.300674] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.302612] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.302619] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.302625] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.302628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.302638] ffff8801b0bbf6d8 ffffffff81d94b69 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 executing program executing program executing program executing program executing program executing program [ 24.302646] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.302654] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.302656] Call Trace: [ 24.302663] [] dump_stack+0xc1/0x128 [ 24.302670] [] check_preemption_disabled+0x1d4/0x200 [ 24.302678] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.302685] [] ipcomp_init_state+0x188/0x930 [ 24.302691] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.302698] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.302704] [] __xfrm_init_state+0x3e7/0xb30 [ 24.302709] [] xfrm_init_state+0x1a/0x20 [ 24.302715] [] pfkey_add+0x1fb9/0x3470 [ 24.302721] [] ? pfkey_delete+0x360/0x360 [ 24.302727] [] ? pfkey_seq_stop+0x80/0x80 [ 24.302734] [] ? __skb_clone+0x24a/0x7d0 [ 24.302739] [] ? pfkey_delete+0x360/0x360 [ 24.302746] [] pfkey_process+0x68b/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.302752] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.302760] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.302766] [] pfkey_sendmsg+0x3a9/0x760 [ 24.302772] [] ? pfkey_spdget+0x820/0x820 [ 24.302779] [] sock_sendmsg+0xca/0x110 [ 24.302785] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.302792] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.302799] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.302807] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.302813] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.302820] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.302826] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.302833] [] ? __lock_is_held+0xa1/0xf0 [ 24.302838] [] ? __pmd_alloc+0x410/0x410 [ 24.302844] [] ? __fget_light+0x158/0x1e0 [ 24.302850] [] ? __fdget+0x18/0x20 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 [ 24.302855] [] __sys_sendmsg+0xd6/0x190 [ 24.302861] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.302868] [] ? __do_page_fault+0x5ec/0xd40 [ 24.302874] [] ? __do_page_fault+0x3bd/0xd40 [ 24.302882] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.302888] [] SyS_sendmsg+0x2d/0x50 [ 24.302894] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.304390] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.304398] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.304404] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.304407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.304417] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.304425] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.304433] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.304434] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.304441] [] dump_stack+0xc1/0x128 [ 24.304449] [] check_preemption_disabled+0x1d4/0x200 [ 24.304456] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.304462] [] ipcomp_init_state+0x188/0x930 [ 24.304470] [] ? __lock_is_held+0xa1/0xf0 [ 24.304476] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.304482] [] __xfrm_init_state+0x3e7/0xb30 [ 24.304487] [] xfrm_init_state+0x1a/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 [ 24.304493] [] pfkey_add+0x1fb9/0x3470 [ 24.304500] [] ? pfkey_delete+0x360/0x360 [ 24.304505] [] ? pfkey_seq_stop+0x80/0x80 [ 24.304511] [] ? __skb_clone+0x24a/0x7d0 [ 24.304517] [] ? pfkey_delete+0x360/0x360 [ 24.304523] [] pfkey_process+0x68b/0x750 [ 24.304530] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.304537] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.304543] [] 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 [ 24.304549] [] ? pfkey_spdget+0x820/0x820 [ 24.304556] [] sock_sendmsg+0xca/0x110 [ 24.304562] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.304569] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.304576] [] ? __lru_cache_add+0x187/0x250 [ 24.304584] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.304590] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.304597] [] ? 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 [ 24.304603] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.304610] [] ? __lock_is_held+0xa1/0xf0 [ 24.304615] [] ? __pmd_alloc+0x410/0x410 [ 24.304621] [] ? __fget_light+0x158/0x1e0 [ 24.304627] [] ? __fdget+0x18/0x20 [ 24.304633] [] __sys_sendmsg+0xd6/0x190 [ 24.304639] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.304645] [] ? __do_page_fault+0x5ec/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 [ 24.304652] [] ? __do_page_fault+0x3bd/0xd40 [ 24.304660] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.304665] [] SyS_sendmsg+0x2d/0x50 [ 24.304672] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.306597] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.306604] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.306610] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.306613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.306622] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.306631] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.306639] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.306640] Call Trace: [ 24.306647] [] dump_stack+0xc1/0x128 [ 24.306655] [] check_preemption_disabled+0x1d4/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.306662] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.306669] [] ipcomp_init_state+0x188/0x930 [ 24.306676] [] ? __lock_is_held+0xa1/0xf0 [ 24.306682] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.306688] [] __xfrm_init_state+0x3e7/0xb30 [ 24.306694] [] xfrm_init_state+0x1a/0x20 [ 24.306700] [] pfkey_add+0x1fb9/0x3470 [ 24.306706] [] ? pfkey_delete+0x360/0x360 [ 24.306712] [] ? pfkey_seq_stop+0x80/0x80 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.306718] [] ? __skb_clone+0x24a/0x7d0 [ 24.306724] [] ? pfkey_delete+0x360/0x360 [ 24.306730] [] pfkey_process+0x68b/0x750 [ 24.306736] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.306743] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.306750] [] pfkey_sendmsg+0x3a9/0x760 [ 24.306756] [] ? pfkey_spdget+0x820/0x820 [ 24.306763] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.306768] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.306776] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.306783] [] ? __lru_cache_add+0x187/0x250 [ 24.306790] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.306796] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.306803] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.306809] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.306816] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.306821] [] ? __pmd_alloc+0x410/0x410 [ 24.306827] [] ? __fget_light+0x158/0x1e0 [ 24.306833] [] ? __fdget+0x18/0x20 [ 24.306839] [] __sys_sendmsg+0xd6/0x190 [ 24.306844] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.306851] [] ? __do_page_fault+0x5ec/0xd40 [ 24.306858] [] ? __do_page_fault+0x3bd/0xd40 [ 24.306866] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 24.306871] [] SyS_sendmsg+0x2d/0x50 [ 24.306877] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.308328] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.308335] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.308341] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.308344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.308353] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 executing program [ 24.308362] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.308370] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.308371] Call Trace: [ 24.308377] [] dump_stack+0xc1/0x128 [ 24.308385] [] check_preemption_disabled+0x1d4/0x200 [ 24.308392] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.308399] [] ipcomp_init_state+0x188/0x930 [ 24.308405] [] ? __lock_is_held+0xa1/0xf0 [ 24.308412] [] ipcomp4_init_state+0xb0/0x7d0 executing program [ 24.308418] [] __xfrm_init_state+0x3e7/0xb30 [ 24.308423] [] xfrm_init_state+0x1a/0x20 [ 24.308429] [] pfkey_add+0x1fb9/0x3470 [ 24.308436] [] ? pfkey_delete+0x360/0x360 [ 24.308441] [] ? pfkey_seq_stop+0x80/0x80 [ 24.308448] [] ? __skb_clone+0x24a/0x7d0 [ 24.308454] [] ? pfkey_delete+0x360/0x360 [ 24.308460] [] pfkey_process+0x68b/0x750 executing program executing program [ 24.308466] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.308473] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.308480] [] pfkey_sendmsg+0x3a9/0x760 [ 24.308486] [] ? pfkey_spdget+0x820/0x820 [ 24.308493] [] sock_sendmsg+0xca/0x110 [ 24.308498] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.308506] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.308513] [] ? __lru_cache_add+0x187/0x250 executing program [ 24.308520] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.308526] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.308533] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.308539] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.308546] [] ? __lock_is_held+0xa1/0xf0 [ 24.308551] [] ? __pmd_alloc+0x410/0x410 [ 24.308557] [] ? __fget_light+0x158/0x1e0 [ 24.308563] [] ? __fdget+0x18/0x20 [ 24.308569] [] __sys_sendmsg+0xd6/0x190 executing program [ 24.308575] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.308581] [] ? __do_page_fault+0x5ec/0xd40 [ 24.308588] [] ? __do_page_fault+0x3bd/0xd40 [ 24.308595] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.308601] [] SyS_sendmsg+0x2d/0x50 [ 24.308608] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.310119] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller278361/3800 [ 24.310126] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 24.310132] CPU: 0 PID: 3800 Comm: syzkaller278361 Not tainted 4.9.80-g550c01d #29 [ 24.310135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.310144] ffff8801b0bbf6d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 [ 24.310152] ffffffff83f454c0 ffff8801b25cc800 0000000000000003 ffff8801b0bbf718 [ 24.310160] ffffffff81dfc144 ffff8801b0bbf730 ffffffff83f454c0 dffffc0000000000 [ 24.310162] Call Trace: [ 24.310169] [] dump_stack+0xc1/0x128 executing program executing program [ 24.310176] [] check_preemption_disabled+0x1d4/0x200 [ 24.310183] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.310196] [] ipcomp_init_state+0x188/0x930 [ 24.310203] [] ? __lock_is_held+0xa1/0xf0 [ 24.310209] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.310215] [] __xfrm_init_state+0x3e7/0xb30 [ 24.310221] [] xfrm_init_state+0x1a/0x20 [ 24.310227] [] pfkey_add+0x1fb9/0x3470 [ 24.310233] [] ? pfkey_delete+0x360/0x360 executing program [ 24.310239] [] ? pfkey_seq_stop+0x80/0x80 [ 24.310245] [] ? __skb_clone+0x24a/0x7d0 [ 24.310251] [] ? pfkey_delete+0x360/0x360 [ 24.310257] [] pfkey_process+0x68b/0x750 [ 24.310263] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.310270] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.310277] [] pfkey_sendmsg+0x3a9/0x760 [ 24.310283] [] ? pfkey_spdget+0x820/0x820 executing program [ 24.310290] [] sock_sendmsg+0xca/0x110 [ 24.310295] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.310303] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.310310] [] ? __lru_cache_add+0x187/0x250 [ 24.310317] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.310323] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.310331] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.310337] [] ? handle_mm_fault+0x6ee/0x2530 executing program [ 24.310343] [] ? __lock_is_held+0xa1/0xf0 [ 24.310349] [] ? __pmd_alloc+0x410/0x410 [ 24.310355] [] ? __fget_light+0x158/0x1e0 [ 24.310360] [] ? __fdget+0x18/0x20 [ 24.310366] [] __sys_sendmsg+0xd6/0x190 [ 24.310372] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.310378] [] ? __do_page_fault+0x5ec/0xd40 [ 24.310385] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program [ 24.310393] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.310399] [] SyS_sendmsg+0x2d/0x50 [ 24.310405] [] 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