[....] Starting enhanced syslogd: rsyslogd[ 11.858778] audit: type=1400 audit(1513027988.279:4): avc: denied { syslog } for pid=3163 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 'ci-android-49-kasan-gce-4,10.128.15.201' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 41.852643] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 41.861342] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.866756] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 41.874517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.883836] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 41.891783] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 41.899726] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 41.907663] Call Trace: [ 41.910219] [] dump_stack+0xc1/0x128 [ 41.915546] [] check_preemption_disabled+0x1d4/0x200 [ 41.922262] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.928717] [] ipcomp_init_state+0x188/0x930 [ 41.934742] [] ? __lock_is_held+0xa1/0xf0 [ 41.940503] [] ipcomp4_init_state+0xb0/0x7d0 [ 41.946528] [] __xfrm_init_state+0x3e7/0xb30 [ 41.952547] [] xfrm_init_state+0x1a/0x20 [ 41.958221] [] pfkey_add+0x1fb9/0x3470 [ 41.963723] [] ? pfkey_delete+0x360/0x360 [ 41.969481] [] ? pfkey_seq_stop+0x80/0x80 [ 41.975241] [] ? __skb_clone+0x24a/0x7d0 [ 41.980913] [] ? pfkey_delete+0x360/0x360 [ 41.986672] [] pfkey_process+0x61e/0x730 [ 41.992344] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 41.999145] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.005945] [] pfkey_sendmsg+0x3a9/0x760 [ 42.011617] [] ? pfkey_spdget+0x820/0x820 [ 42.017383] [] sock_sendmsg+0xca/0x110 [ 42.022883] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.028642] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.035185] [] ? __lru_cache_add+0x187/0x250 [ 42.041205] [] ? lru_cache_add+0xd9/0x1e0 [ 42.046968] [] ? handle_mm_fault+0xb12/0x2530 [ 42.053077] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.059010] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.065119] [] ? __lock_is_held+0xa1/0xf0 [ 42.070880] [] ? __pmd_alloc+0x410/0x410 [ 42.076552] [] ? __fget_light+0x158/0x1e0 [ 42.082309] [] ? __fdget+0x18/0x20 [ 42.087460] [] __sys_sendmsg+0xd6/0x190 [ 42.093044] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 42.098807] [] ? __do_page_fault+0x5ec/0xd40 [ 42.104825] [] ? __do_page_fault+0x3bd/0xd40 [ 42.110848] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.117647] [] SyS_sendmsg+0x2d/0x50 [ 42.122972] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.131634] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.140395] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.145815] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.153573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.162890] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.170833] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.178772] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.186723] Call Trace: [ 42.189277] [] dump_stack+0xc1/0x128 [ 42.194604] [] check_preemption_disabled+0x1d4/0x200 [ 42.201320] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.207774] [] ipcomp_init_state+0x188/0x930 [ 42.213798] [] ? __lock_is_held+0xa1/0xf0 [ 42.219561] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.225589] [] __xfrm_init_state+0x3e7/0xb30 [ 42.231612] [] xfrm_init_state+0x1a/0x20 [ 42.237286] [] pfkey_add+0x1fb9/0x3470 [ 42.242786] [] ? pfkey_delete+0x360/0x360 [ 42.248547] [] ? pfkey_seq_stop+0x80/0x80 [ 42.254308] [] ? __skb_clone+0x24a/0x7d0 [ 42.259979] [] ? pfkey_delete+0x360/0x360 [ 42.265737] [] pfkey_process+0x61e/0x730 [ 42.271411] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.278215] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.285016] [] pfkey_sendmsg+0x3a9/0x760 [ 42.290690] [] ? pfkey_spdget+0x820/0x820 [ 42.296450] [] sock_sendmsg+0xca/0x110 [ 42.301951] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.307711] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.314254] [] ? __lru_cache_add+0x187/0x250 [ 42.320276] [] ? lru_cache_add+0xd9/0x1e0 [ 42.326037] [] ? handle_mm_fault+0xb12/0x2530 [ 42.332151] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.338085] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.344195] [] ? __lock_is_held+0xa1/0xf0 [ 42.349958] [] ? __pmd_alloc+0x410/0x410 [ 42.355631] [] ? __fget_light+0x158/0x1e0 [ 42.361391] [] ? __fdget+0x18/0x20 [ 42.366543] [] __sys_sendmsg+0xd6/0x190 [ 42.372128] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.377887] [] ? __do_page_fault+0x5ec/0xd40 [ 42.383907] [] ? __do_page_fault+0x3bd/0xd40 [ 42.389927] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.396728] [] SyS_sendmsg+0x2d/0x50 executing program [ 42.402055] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.410536] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.419212] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.424625] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.432378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.441694] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.449633] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.457571] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.465509] Call Trace: [ 42.468063] [] dump_stack+0xc1/0x128 [ 42.473389] [] check_preemption_disabled+0x1d4/0x200 [ 42.480105] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.486557] [] ipcomp_init_state+0x188/0x930 [ 42.492581] [] ? __lock_is_held+0xa1/0xf0 [ 42.498341] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.504379] [] __xfrm_init_state+0x3e7/0xb30 [ 42.504383] [] xfrm_init_state+0x1a/0x20 [ 42.504390] [] pfkey_add+0x1fb9/0x3470 [ 42.504394] [] ? pfkey_delete+0x360/0x360 [ 42.504398] [] ? pfkey_seq_stop+0x80/0x80 [ 42.504405] [] ? __skb_clone+0x24a/0x7d0 [ 42.504415] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.504420] [] pfkey_process+0x61e/0x730 [ 42.504424] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.504428] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.504433] [] pfkey_sendmsg+0x3a9/0x760 [ 42.504436] [] ? pfkey_spdget+0x820/0x820 [ 42.504442] [] sock_sendmsg+0xca/0x110 [ 42.504445] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.504449] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.504456] [] ? __lru_cache_add+0x187/0x250 [ 42.504460] [] ? lru_cache_add+0xd9/0x1e0 [ 42.504468] [] ? handle_mm_fault+0xb12/0x2530 [ 42.504476] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.504479] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.504483] [] ? __lock_is_held+0xa1/0xf0 [ 42.504487] [] ? __pmd_alloc+0x410/0x410 [ 42.504491] [] ? __fget_light+0x158/0x1e0 [ 42.504494] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.504498] [] __sys_sendmsg+0xd6/0x190 [ 42.504502] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.504511] [] ? __do_page_fault+0x5ec/0xd40 [ 42.504514] [] ? __do_page_fault+0x3bd/0xd40 [ 42.504519] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.504522] [] SyS_sendmsg+0x2d/0x50 [ 42.504527] [] 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 [ 42.507515] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.507525] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.507530] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.507532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.507539] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.507543] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.507548] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.507549] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.507556] [] dump_stack+0xc1/0x128 [ 42.507560] [] check_preemption_disabled+0x1d4/0x200 [ 42.507564] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.507570] [] ipcomp_init_state+0x188/0x930 [ 42.507576] [] ? __lock_is_held+0xa1/0xf0 [ 42.507583] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.507588] [] __xfrm_init_state+0x3e7/0xb30 [ 42.507592] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.507597] [] pfkey_add+0x1fb9/0x3470 [ 42.507602] [] ? pfkey_delete+0x360/0x360 [ 42.507606] [] ? pfkey_seq_stop+0x80/0x80 [ 42.507612] [] ? __skb_clone+0x24a/0x7d0 [ 42.507615] [] ? pfkey_delete+0x360/0x360 [ 42.507619] [] pfkey_process+0x61e/0x730 [ 42.507623] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.507627] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.507632] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.507635] [] ? pfkey_spdget+0x820/0x820 [ 42.507640] [] sock_sendmsg+0xca/0x110 [ 42.507644] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.507648] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.507653] [] ? __lru_cache_add+0x187/0x250 [ 42.507657] [] ? lru_cache_add+0xd9/0x1e0 [ 42.507662] [] ? handle_mm_fault+0xb12/0x2530 [ 42.507668] [] ? _raw_spin_unlock+0x2c/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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.507672] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.507675] [] ? __lock_is_held+0xa1/0xf0 [ 42.507679] [] ? __pmd_alloc+0x410/0x410 [ 42.507683] [] ? __fget_light+0x158/0x1e0 [ 42.507686] [] ? __fdget+0x18/0x20 [ 42.507690] [] __sys_sendmsg+0xd6/0x190 [ 42.507693] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.507698] [] ? __do_page_fault+0x5ec/0xd40 [ 42.507702] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.507706] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.507710] [] SyS_sendmsg+0x2d/0x50 [ 42.507714] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.508336] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.508341] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.508345] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.508347] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.508353] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.508357] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.508362] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.508363] Call Trace: [ 42.508368] [] dump_stack+0xc1/0x128 [ 42.508372] [] check_preemption_disabled+0x1d4/0x200 [ 42.508375] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.508380] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.508383] [] ? __lock_is_held+0xa1/0xf0 [ 42.508388] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.508392] [] __xfrm_init_state+0x3e7/0xb30 [ 42.508396] [] xfrm_init_state+0x1a/0x20 [ 42.508401] [] pfkey_add+0x1fb9/0x3470 [ 42.508405] [] ? pfkey_delete+0x360/0x360 [ 42.508408] [] ? pfkey_seq_stop+0x80/0x80 [ 42.508412] [] ? __skb_clone+0x24a/0x7d0 [ 42.508416] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.508419] [] pfkey_process+0x61e/0x730 [ 42.508423] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.508427] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.508432] [] pfkey_sendmsg+0x3a9/0x760 [ 42.508436] [] ? pfkey_spdget+0x820/0x820 [ 42.508440] [] sock_sendmsg+0xca/0x110 [ 42.508443] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.508447] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.508452] [] ? __lru_cache_add+0x187/0x250 [ 42.508455] [] ? lru_cache_add+0xd9/0x1e0 [ 42.508460] [] ? handle_mm_fault+0xb12/0x2530 [ 42.508464] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.508468] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.508472] [] ? __lock_is_held+0xa1/0xf0 [ 42.508476] [] ? __pmd_alloc+0x410/0x410 [ 42.508480] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.508482] [] ? __fdget+0x18/0x20 [ 42.508486] [] __sys_sendmsg+0xd6/0x190 [ 42.508490] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.508494] [] ? __do_page_fault+0x5ec/0xd40 [ 42.508498] [] ? __do_page_fault+0x3bd/0xd40 [ 42.508502] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.508506] [] SyS_sendmsg+0x2d/0x50 [ 42.508510] [] 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 [ 42.509046] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.509050] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.509054] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.509055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.509061] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.509066] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.509070] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.509071] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.509075] [] dump_stack+0xc1/0x128 [ 42.509079] [] check_preemption_disabled+0x1d4/0x200 [ 42.509083] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.509087] [] ipcomp_init_state+0x188/0x930 [ 42.509091] [] ? __lock_is_held+0xa1/0xf0 [ 42.509095] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.509099] [] __xfrm_init_state+0x3e7/0xb30 [ 42.509103] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.509107] [] pfkey_add+0x1fb9/0x3470 [ 42.509111] [] ? pfkey_delete+0x360/0x360 [ 42.509115] [] ? pfkey_seq_stop+0x80/0x80 [ 42.509118] [] ? __skb_clone+0x24a/0x7d0 [ 42.509122] [] ? pfkey_delete+0x360/0x360 [ 42.509126] [] pfkey_process+0x61e/0x730 [ 42.509130] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.509134] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.509138] [] 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 [ 42.509142] [] ? pfkey_spdget+0x820/0x820 [ 42.509146] [] sock_sendmsg+0xca/0x110 [ 42.509149] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.509153] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.509157] [] ? __lru_cache_add+0x187/0x250 [ 42.509161] [] ? lru_cache_add+0xd9/0x1e0 [ 42.509165] [] ? handle_mm_fault+0xb12/0x2530 [ 42.509169] [] ? _raw_spin_unlock+0x2c/0x50 executing program [ 42.509173] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.509176] [] ? __lock_is_held+0xa1/0xf0 [ 42.509180] [] ? __pmd_alloc+0x410/0x410 [ 42.509183] [] ? __fget_light+0x158/0x1e0 [ 42.509186] [] ? __fdget+0x18/0x20 [ 42.509190] [] __sys_sendmsg+0xd6/0x190 [ 42.509193] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.509197] [] ? __do_page_fault+0x5ec/0xd40 [ 42.509201] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 42.509205] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.509209] [] SyS_sendmsg+0x2d/0x50 [ 42.509213] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.509687] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.509691] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.509695] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.509696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program [ 42.509702] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.509707] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.509711] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.509712] Call Trace: [ 42.509716] [] dump_stack+0xc1/0x128 [ 42.509720] [] check_preemption_disabled+0x1d4/0x200 [ 42.509724] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.509728] [] ipcomp_init_state+0x188/0x930 executing program [ 42.509732] [] ? __lock_is_held+0xa1/0xf0 [ 42.509736] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.509740] [] __xfrm_init_state+0x3e7/0xb30 [ 42.509744] [] xfrm_init_state+0x1a/0x20 [ 42.509748] [] pfkey_add+0x1fb9/0x3470 [ 42.509752] [] ? pfkey_delete+0x360/0x360 [ 42.509755] [] ? pfkey_seq_stop+0x80/0x80 [ 42.509758] [] ? __skb_clone+0x24a/0x7d0 [ 42.509762] [] ? pfkey_delete+0x360/0x360 executing program [ 42.509766] [] pfkey_process+0x61e/0x730 [ 42.509770] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.509774] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.509778] [] pfkey_sendmsg+0x3a9/0x760 [ 42.509782] [] ? pfkey_spdget+0x820/0x820 [ 42.509785] [] sock_sendmsg+0xca/0x110 [ 42.509789] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.509793] [] ? copy_msghdr_from_user+0x550/0x550 executing program [ 42.509797] [] ? __lru_cache_add+0x187/0x250 [ 42.509800] [] ? lru_cache_add+0xd9/0x1e0 [ 42.509805] [] ? handle_mm_fault+0xb12/0x2530 [ 42.509815] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.509819] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.509823] [] ? __lock_is_held+0xa1/0xf0 [ 42.509826] [] ? __pmd_alloc+0x410/0x410 [ 42.509830] [] ? __fget_light+0x158/0x1e0 [ 42.509832] [] ? __fdget+0x18/0x20 executing program executing program [ 42.509836] [] __sys_sendmsg+0xd6/0x190 [ 42.509840] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.509844] [] ? __do_page_fault+0x5ec/0xd40 [ 42.509848] [] ? __do_page_fault+0x3bd/0xd40 [ 42.509852] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.509856] [] SyS_sendmsg+0x2d/0x50 [ 42.509860] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program [ 42.510787] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.510792] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.510796] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.510798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.510820] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.510834] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.510849] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.510852] Call Trace: executing program [ 42.510858] [] dump_stack+0xc1/0x128 [ 42.510864] [] check_preemption_disabled+0x1d4/0x200 [ 42.510870] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.510876] [] ipcomp_init_state+0x188/0x930 [ 42.510883] [] ? __lock_is_held+0xa1/0xf0 [ 42.510890] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.510896] [] __xfrm_init_state+0x3e7/0xb30 [ 42.510902] [] xfrm_init_state+0x1a/0x20 executing program [ 42.510908] [] pfkey_add+0x1fb9/0x3470 [ 42.510915] [] ? pfkey_delete+0x360/0x360 [ 42.510921] [] ? pfkey_seq_stop+0x80/0x80 [ 42.510927] [] ? __skb_clone+0x24a/0x7d0 [ 42.510933] [] ? pfkey_delete+0x360/0x360 [ 42.510939] [] pfkey_process+0x61e/0x730 [ 42.510945] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.510952] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.510957] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program [ 42.510963] [] ? pfkey_spdget+0x820/0x820 [ 42.510969] [] sock_sendmsg+0xca/0x110 [ 42.510975] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.510981] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.510988] [] ? __lru_cache_add+0x187/0x250 [ 42.510994] [] ? lru_cache_add+0xd9/0x1e0 [ 42.511001] [] ? handle_mm_fault+0xb12/0x2530 [ 42.511008] [] ? _raw_spin_unlock+0x2c/0x50 executing program [ 42.511014] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.511019] [] ? __lock_is_held+0xa1/0xf0 [ 42.511025] [] ? __pmd_alloc+0x410/0x410 [ 42.511030] [] ? __fget_light+0x158/0x1e0 [ 42.511035] [] ? __fdget+0x18/0x20 [ 42.511041] [] __sys_sendmsg+0xd6/0x190 [ 42.511046] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.511052] [] ? __do_page_fault+0x5ec/0xd40 [ 42.511058] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 42.511065] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.511070] [] SyS_sendmsg+0x2d/0x50 [ 42.511077] [] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 42.511599] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.511605] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.511611] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.511615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 42.511629] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.511643] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.511648] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.511649] Call Trace: [ 42.511653] [] dump_stack+0xc1/0x128 [ 42.511657] [] check_preemption_disabled+0x1d4/0x200 [ 42.511661] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.511664] [] ipcomp_init_state+0x188/0x930 executing program executing program [ 42.511668] [] ? __lock_is_held+0xa1/0xf0 [ 42.511672] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.511676] [] __xfrm_init_state+0x3e7/0xb30 [ 42.511680] [] xfrm_init_state+0x1a/0x20 [ 42.511684] [] pfkey_add+0x1fb9/0x3470 [ 42.511688] [] ? pfkey_delete+0x360/0x360 [ 42.511691] [] ? pfkey_seq_stop+0x80/0x80 [ 42.511695] [] ? __skb_clone+0x24a/0x7d0 [ 42.511699] [] ? pfkey_delete+0x360/0x360 executing program [ 42.511705] [] pfkey_process+0x61e/0x730 [ 42.511712] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.511718] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.511724] [] pfkey_sendmsg+0x3a9/0x760 [ 42.511730] [] ? pfkey_spdget+0x820/0x820 [ 42.511736] [] sock_sendmsg+0xca/0x110 [ 42.511742] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.511748] [] ? copy_msghdr_from_user+0x550/0x550 executing program [ 42.511754] [] ? __lru_cache_add+0x187/0x250 [ 42.511760] [] ? lru_cache_add+0xd9/0x1e0 [ 42.511767] [] ? handle_mm_fault+0xb12/0x2530 [ 42.511773] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.511779] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.511785] [] ? __lock_is_held+0xa1/0xf0 [ 42.511791] [] ? __pmd_alloc+0x410/0x410 [ 42.511797] [] ? __fget_light+0x158/0x1e0 [ 42.511802] [] ? __fdget+0x18/0x20 executing program [ 42.511815] [] __sys_sendmsg+0xd6/0x190 [ 42.511821] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.511827] [] ? __do_page_fault+0x5ec/0xd40 [ 42.511833] [] ? __do_page_fault+0x3bd/0xd40 [ 42.511839] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.511844] [] SyS_sendmsg+0x2d/0x50 [ 42.511851] [] entry_SYSCALL_64_fastpath+0x23/0xc6 executing program executing program [ 42.512348] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller177308/3331 [ 42.512352] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.512356] CPU: 0 PID: 3331 Comm: syzkaller177308 Not tainted 4.9.68-gfb66dc2 #107 [ 42.512358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.512363] ffff8801c8cff6d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 [ 42.512368] ffffffff83f42ec0 ffff8801c156b000 0000000000000003 ffff8801c8cff718 [ 42.512372] ffffffff81df7854 ffff8801c8cff730 ffffffff83f42ec0 dffffc0000000000 [ 42.512373] Call Trace: executing program [ 42.512377] [] dump_stack+0xc1/0x128 [ 42.512380] [] check_preemption_disabled+0x1d4/0x200 [ 42.512384] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.512388] [] ipcomp_init_state+0x188/0x930 [ 42.512392] [] ? __lock_is_held+0xa1/0xf0 [ 42.512396] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.512400] [] __xfrm_init_state+0x3e7/0xb30 [ 42.512404] [] xfrm_init_state+0x1a/0x20 executing program [ 42.512408] [] pfkey_add+0x1fb9/0x3470 [ 42.512411] [] ? pfkey_delete+0x360/0x360 [ 42.512415] [] ? pfkey_seq_stop+0x80/0x80 [ 42.512419] [] ? __skb_clone+0x24a/0x7d0 [ 42.512422] [] ? pfkey_delete+0x360/0x360 [ 42.512426] [] pfkey_process+0x61e/0x730 [ 42.512430] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 42.512434] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 42.512438] [] pfkey_sendmsg+0x3a9/0x760 [ 42.512442] [] ? pfkey_spdget+0x820/0x820 [ 42.512446] [] sock_sendmsg+0xca/0x110 [ 42.512449] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.512453] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.512457] [] ? __lru_cache_add+0x187/0x250 [ 42.512461] [] ? lru_cache_add+0xd9/0x1e0 [ 42.512465] [] ? handle_mm_fault+0xb12/0x2530 [ 42.512468] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program [ 42.512472] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.512476] [] ? __lock_is_held+0xa1/0xf0 [ 42.512479] [] ? __pmd_alloc+0x410/0x410 [ 42.512482] [] ? __fget_light+0x158/0x1e0 [ 42.512485] [] ? __fdget+0x18/0x20 [ 42.512489] [] __sys_sendmsg+0xd6/0x190 [ 42.512493] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.512496] [] ? __do_page_fault+0x5ec/0xd40 [ 42.512500] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 42.512504] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.512508] [] SyS_sendmsg+0x2d/0x50 [ 42.512512] [] 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