[....] Starting enhanced syslogd: rsyslogd[ 12.873386] audit: type=1400 audit(1517173465.450:4): avc: denied { syslog } for pid=3189 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 37.593588] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 37.602364] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.607799] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 37.615475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.624812] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 37.632780] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 37.640762] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 37.648726] Call Trace: [ 37.651287] [] dump_stack+0xc1/0x128 [ 37.656620] [] check_preemption_disabled+0x1d4/0x200 [ 37.663340] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.669801] [] ipcomp_init_state+0x188/0x930 [ 37.675829] [] ? __lock_is_held+0xa1/0xf0 [ 37.681598] [] ipcomp4_init_state+0xb0/0x7d0 [ 37.687628] [] __xfrm_init_state+0x3e7/0xb30 [ 37.693664] [] xfrm_add_sa+0x1916/0x2e40 [ 37.699353] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 37.706159] [] ? nla_parse+0x213/0x260 [ 37.711666] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 37.718491] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 37.724524] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 37.730558] [] netlink_rcv_skb+0x13e/0x370 [ 37.736419] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 37.742453] [] xfrm_netlink_rcv+0x6f/0x90 [ 37.748218] [] netlink_unicast+0x511/0x750 [ 37.754072] [] ? netlink_unicast+0x43c/0x750 [ 37.760100] [] ? netlink_attachskb+0x680/0x680 [ 37.766300] [] netlink_sendmsg+0x8e8/0xc50 [ 37.772171] [] ? netlink_unicast+0x750/0x750 [ 37.778200] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 37.784663] [] ? security_socket_sendmsg+0x89/0xb0 [ 37.791210] [] ? netlink_unicast+0x750/0x750 [ 37.797236] [] sock_sendmsg+0xca/0x110 [ 37.802741] [] ___sys_sendmsg+0x6d1/0x7e0 [ 37.808505] [] ? copy_msghdr_from_user+0x550/0x550 [ 37.815054] [] ? __lru_cache_add+0x187/0x250 [ 37.821084] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 37.828154] [] ? _raw_spin_unlock+0x2c/0x50 [ 37.834103] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 37.841173] [] ? handle_mm_fault+0x6ee/0x2530 [ 37.847288] [] ? __lock_is_held+0xa1/0xf0 [ 37.853052] [] ? __pmd_alloc+0x410/0x410 [ 37.858733] [] ? __fget_light+0x158/0x1e0 [ 37.864497] [] ? __fdget+0x18/0x20 [ 37.869660] [] __sys_sendmsg+0xd6/0x190 [ 37.875253] [] ? SyS_shutdown+0x1b0/0x1b0 [ 37.881021] [] ? __do_page_fault+0x5ec/0xd40 [ 37.887049] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 37.893074] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 37.899889] [] SyS_sendmsg+0x2d/0x50 [ 37.905225] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 37.915412] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 37.924246] caller is __this_cpu_preempt_check+0x1c/0x20 [ 37.929673] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 37.937349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.946686] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 37.954658] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 37.962626] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 37.970593] Call Trace: [ 37.973153] [] dump_stack+0xc1/0x128 [ 37.978487] [] check_preemption_disabled+0x1d4/0x200 [ 37.985206] [] __this_cpu_preempt_check+0x1c/0x20 [ 37.991672] [] ipcomp_init_state+0x188/0x930 [ 37.997701] [] ? __lock_is_held+0xa1/0xf0 [ 38.003484] [] ipcomp4_init_state+0xb0/0x7d0 [ 38.009512] [] __xfrm_init_state+0x3e7/0xb30 [ 38.015541] [] xfrm_add_sa+0x1916/0x2e40 [ 38.021220] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.028042] [] ? nla_parse+0x213/0x260 [ 38.033558] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.040371] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 38.046399] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.052427] [] netlink_rcv_skb+0x13e/0x370 [ 38.058280] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.064309] [] xfrm_netlink_rcv+0x6f/0x90 [ 38.070073] [] netlink_unicast+0x511/0x750 [ 38.075926] [] ? netlink_unicast+0x43c/0x750 [ 38.081953] [] ? netlink_attachskb+0x680/0x680 [ 38.088154] [] netlink_sendmsg+0x8e8/0xc50 [ 38.094014] [] ? netlink_unicast+0x750/0x750 [ 38.100045] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 38.106506] [] ? security_socket_sendmsg+0x89/0xb0 [ 38.113051] [] ? netlink_unicast+0x750/0x750 [ 38.119080] [] sock_sendmsg+0xca/0x110 [ 38.124593] [] ___sys_sendmsg+0x6d1/0x7e0 [ 38.130359] [] ? copy_msghdr_from_user+0x550/0x550 [ 38.136909] [] ? __lru_cache_add+0x187/0x250 [ 38.142936] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 38.150003] [] ? _raw_spin_unlock+0x2c/0x50 [ 38.155943] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 38.163012] [] ? handle_mm_fault+0x6ee/0x2530 [ 38.169127] [] ? __lock_is_held+0xa1/0xf0 [ 38.174891] [] ? __pmd_alloc+0x410/0x410 [ 38.180572] [] ? __fget_light+0x158/0x1e0 [ 38.186351] [] ? __fdget+0x18/0x20 executing program [ 38.191509] [] __sys_sendmsg+0xd6/0x190 [ 38.197100] [] ? SyS_shutdown+0x1b0/0x1b0 [ 38.202868] [] ? __do_page_fault+0x5ec/0xd40 [ 38.208894] [] ? __do_page_fault+0x3bd/0xd40 [ 38.214921] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 38.221729] [] SyS_sendmsg+0x2d/0x50 [ 38.227064] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 38.237264] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 38.245965] caller is __this_cpu_preempt_check+0x1c/0x20 [ 38.251391] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 38.259070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.268397] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 38.276360] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 38.284324] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 38.292459] Call Trace: [ 38.295017] [] dump_stack+0xc1/0x128 [ 38.300348] [] check_preemption_disabled+0x1d4/0x200 [ 38.307069] [] __this_cpu_preempt_check+0x1c/0x20 [ 38.313539] [] ipcomp_init_state+0x188/0x930 [ 38.319652] [] ? __lock_is_held+0xa1/0xf0 [ 38.325431] [] ipcomp4_init_state+0xb0/0x7d0 [ 38.331462] [] __xfrm_init_state+0x3e7/0xb30 [ 38.337489] [] xfrm_add_sa+0x1916/0x2e40 [ 38.343169] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.349978] [] ? nla_parse+0x213/0x260 [ 38.355485] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.362291] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 38.368316] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.374352] [] netlink_rcv_skb+0x13e/0x370 [ 38.380207] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.386232] [] xfrm_netlink_rcv+0x6f/0x90 [ 38.391996] [] netlink_unicast+0x511/0x750 [ 38.397847] [] ? netlink_unicast+0x43c/0x750 [ 38.403872] [] ? netlink_attachskb+0x680/0x680 [ 38.410073] [] netlink_sendmsg+0x8e8/0xc50 [ 38.415927] [] ? netlink_unicast+0x750/0x750 [ 38.421956] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 38.428418] [] ? security_socket_sendmsg+0x89/0xb0 [ 38.434972] [] ? netlink_unicast+0x750/0x750 [ 38.440999] [] sock_sendmsg+0xca/0x110 [ 38.446507] [] ___sys_sendmsg+0x6d1/0x7e0 [ 38.452285] [] ? copy_msghdr_from_user+0x550/0x550 [ 38.458836] [] ? __lru_cache_add+0x187/0x250 [ 38.464866] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 38.471934] [] ? _raw_spin_unlock+0x2c/0x50 [ 38.477876] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 38.484945] [] ? handle_mm_fault+0x6ee/0x2530 [ 38.491060] [] ? __lock_is_held+0xa1/0xf0 [ 38.496824] [] ? __pmd_alloc+0x410/0x410 [ 38.502504] [] ? __fget_light+0x158/0x1e0 [ 38.508267] [] ? __fdget+0x18/0x20 [ 38.513423] [] __sys_sendmsg+0xd6/0x190 [ 38.519016] [] ? SyS_shutdown+0x1b0/0x1b0 [ 38.524786] [] ? __do_page_fault+0x5ec/0xd40 [ 38.530813] [] ? __do_page_fault+0x3bd/0xd40 [ 38.536841] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 38.543650] [] SyS_sendmsg+0x2d/0x50 [ 38.548981] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 38.558895] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 38.567626] caller is __this_cpu_preempt_check+0x1c/0x20 [ 38.573074] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 38.580751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.590084] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 38.598059] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 38.606024] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 38.613990] Call Trace: [ 38.616552] [] dump_stack+0xc1/0x128 [ 38.621883] [] check_preemption_disabled+0x1d4/0x200 [ 38.628610] [] __this_cpu_preempt_check+0x1c/0x20 [ 38.635078] [] ipcomp_init_state+0x188/0x930 [ 38.641105] [] ? __lock_is_held+0xa1/0xf0 [ 38.646878] [] ipcomp4_init_state+0xb0/0x7d0 [ 38.652905] [] __xfrm_init_state+0x3e7/0xb30 [ 38.658930] [] xfrm_add_sa+0x1916/0x2e40 [ 38.664611] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.671516] [] ? nla_parse+0x213/0x260 [ 38.677019] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.683825] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 38.689853] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.695971] [] netlink_rcv_skb+0x13e/0x370 [ 38.701831] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 38.707855] [] xfrm_netlink_rcv+0x6f/0x90 [ 38.713627] [] netlink_unicast+0x511/0x750 [ 38.719478] [] ? netlink_unicast+0x43c/0x750 [ 38.725503] [] ? netlink_attachskb+0x680/0x680 [ 38.731702] [] netlink_sendmsg+0x8e8/0xc50 [ 38.737560] [] ? netlink_unicast+0x750/0x750 [ 38.743592] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 38.750056] [] ? security_socket_sendmsg+0x89/0xb0 [ 38.756602] [] ? netlink_unicast+0x750/0x750 [ 38.762630] [] sock_sendmsg+0xca/0x110 [ 38.768134] [] ___sys_sendmsg+0x6d1/0x7e0 [ 38.773909] [] ? copy_msghdr_from_user+0x550/0x550 [ 38.780458] [] ? __lru_cache_add+0x187/0x250 [ 38.786487] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 38.793568] [] ? _raw_spin_unlock+0x2c/0x50 [ 38.799507] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 38.806578] [] ? handle_mm_fault+0x6ee/0x2530 [ 38.812691] [] ? __lock_is_held+0xa1/0xf0 [ 38.818456] [] ? __pmd_alloc+0x410/0x410 [ 38.824138] [] ? __fget_light+0x158/0x1e0 [ 38.829902] [] ? __fdget+0x18/0x20 [ 38.835077] [] __sys_sendmsg+0xd6/0x190 [ 38.840678] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 38.846454] [] ? __do_page_fault+0x5ec/0xd40 [ 38.852488] [] ? __do_page_fault+0x3bd/0xd40 [ 38.858518] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 38.865324] [] SyS_sendmsg+0x2d/0x50 [ 38.870658] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 38.880884] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 38.889637] caller is __this_cpu_preempt_check+0x1c/0x20 [ 38.895100] CPU: 0 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 38.902781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.912115] ffff8801c82e7490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 38.920087] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 38.928049] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 38.936025] Call Trace: [ 38.938588] [] dump_stack+0xc1/0x128 [ 38.943924] [] check_preemption_disabled+0x1d4/0x200 [ 38.950643] [] __this_cpu_preempt_check+0x1c/0x20 [ 38.957109] [] ipcomp_init_state+0x188/0x930 [ 38.963141] [] ? __lock_is_held+0xa1/0xf0 [ 38.968909] [] ipcomp4_init_state+0xb0/0x7d0 [ 38.974947] [] __xfrm_init_state+0x3e7/0xb30 [ 38.980976] [] xfrm_add_sa+0x1916/0x2e40 [ 38.986657] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 38.993478] [] ? nla_parse+0x213/0x260 [ 38.998987] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.005806] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 39.011835] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.017873] [] netlink_rcv_skb+0x13e/0x370 [ 39.023728] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.029759] [] xfrm_netlink_rcv+0x6f/0x90 [ 39.035527] [] netlink_unicast+0x511/0x750 [ 39.041397] [] ? netlink_unicast+0x43c/0x750 [ 39.047437] [] ? netlink_attachskb+0x680/0x680 [ 39.053638] [] netlink_sendmsg+0x8e8/0xc50 [ 39.059503] [] ? netlink_unicast+0x750/0x750 [ 39.065534] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 39.072015] [] ? security_socket_sendmsg+0x89/0xb0 [ 39.078587] [] ? netlink_unicast+0x750/0x750 [ 39.084618] [] sock_sendmsg+0xca/0x110 [ 39.090125] [] ___sys_sendmsg+0x6d1/0x7e0 [ 39.095894] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.102446] [] ? __lru_cache_add+0x187/0x250 [ 39.108478] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 39.115549] [] ? _raw_spin_unlock+0x2c/0x50 [ 39.121490] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 39.128564] [] ? handle_mm_fault+0x6ee/0x2530 [ 39.134679] [] ? __lock_is_held+0xa1/0xf0 [ 39.140447] [] ? __pmd_alloc+0x410/0x410 executing program [ 39.146130] [] ? __fget_light+0x158/0x1e0 [ 39.151894] [] ? __fdget+0x18/0x20 [ 39.157055] [] __sys_sendmsg+0xd6/0x190 [ 39.162646] [] ? SyS_shutdown+0x1b0/0x1b0 [ 39.168417] [] ? __do_page_fault+0x5ec/0xd40 [ 39.174444] [] ? __do_page_fault+0x3bd/0xd40 [ 39.180473] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.187279] [] SyS_sendmsg+0x2d/0x50 [ 39.192625] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 39.203551] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 39.212365] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.217791] CPU: 0 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 39.225510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.234845] ffff8801c82e7490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 39.242830] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 39.250798] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 39.258777] Call Trace: [ 39.261340] [] dump_stack+0xc1/0x128 [ 39.266682] [] check_preemption_disabled+0x1d4/0x200 [ 39.273409] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.279875] [] ipcomp_init_state+0x188/0x930 [ 39.285905] [] ? __lock_is_held+0xa1/0xf0 [ 39.291672] [] ipcomp4_init_state+0xb0/0x7d0 [ 39.297704] [] __xfrm_init_state+0x3e7/0xb30 [ 39.303742] [] xfrm_add_sa+0x1916/0x2e40 [ 39.309433] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.316250] [] ? nla_parse+0x213/0x260 [ 39.321764] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.328578] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 39.334692] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.340721] [] netlink_rcv_skb+0x13e/0x370 [ 39.346576] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.352688] [] xfrm_netlink_rcv+0x6f/0x90 [ 39.358453] [] netlink_unicast+0x511/0x750 [ 39.364316] [] ? netlink_unicast+0x43c/0x750 [ 39.370349] [] ? netlink_attachskb+0x680/0x680 [ 39.376556] [] netlink_sendmsg+0x8e8/0xc50 [ 39.382419] [] ? netlink_unicast+0x750/0x750 [ 39.388449] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 39.394947] [] ? security_socket_sendmsg+0x89/0xb0 [ 39.401503] [] ? netlink_unicast+0x750/0x750 [ 39.407533] [] sock_sendmsg+0xca/0x110 [ 39.413038] [] ___sys_sendmsg+0x6d1/0x7e0 [ 39.418809] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.425359] [] ? __lru_cache_add+0x187/0x250 [ 39.431390] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 39.438462] [] ? _raw_spin_unlock+0x2c/0x50 [ 39.444403] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 39.451491] [] ? handle_mm_fault+0x6ee/0x2530 [ 39.457605] [] ? __lock_is_held+0xa1/0xf0 [ 39.463370] [] ? __pmd_alloc+0x410/0x410 [ 39.469054] [] ? __fget_light+0x158/0x1e0 [ 39.474820] [] ? __fdget+0x18/0x20 [ 39.479977] [] __sys_sendmsg+0xd6/0x190 [ 39.485570] [] ? SyS_shutdown+0x1b0/0x1b0 [ 39.491336] [] ? __do_page_fault+0x5ec/0xd40 [ 39.497369] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 39.503395] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.510212] [] SyS_sendmsg+0x2d/0x50 [ 39.515543] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 39.525868] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 39.534593] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.540018] CPU: 0 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 39.547692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.557113] ffff8801c82e7490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 39.565088] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 39.573050] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 39.581020] Call Trace: [ 39.583578] [] dump_stack+0xc1/0x128 [ 39.588909] [] check_preemption_disabled+0x1d4/0x200 [ 39.595637] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.602098] [] ipcomp_init_state+0x188/0x930 [ 39.608213] [] ? __lock_is_held+0xa1/0xf0 [ 39.613980] [] ipcomp4_init_state+0xb0/0x7d0 [ 39.620007] [] __xfrm_init_state+0x3e7/0xb30 [ 39.626038] [] xfrm_add_sa+0x1916/0x2e40 [ 39.631719] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.638527] [] ? nla_parse+0x213/0x260 [ 39.644035] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.650854] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 39.656880] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.662917] [] netlink_rcv_skb+0x13e/0x370 [ 39.668771] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.674795] [] xfrm_netlink_rcv+0x6f/0x90 [ 39.680567] [] netlink_unicast+0x511/0x750 [ 39.686416] [] ? netlink_unicast+0x43c/0x750 [ 39.692450] [] ? netlink_attachskb+0x680/0x680 [ 39.698651] [] netlink_sendmsg+0x8e8/0xc50 [ 39.704501] [] ? netlink_unicast+0x750/0x750 [ 39.710527] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 39.716996] [] ? security_socket_sendmsg+0x89/0xb0 [ 39.723541] [] ? netlink_unicast+0x750/0x750 [ 39.729577] [] sock_sendmsg+0xca/0x110 [ 39.735081] [] ___sys_sendmsg+0x6d1/0x7e0 [ 39.740848] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.747409] [] ? __lru_cache_add+0x187/0x250 [ 39.753448] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 39.760524] [] ? _raw_spin_unlock+0x2c/0x50 [ 39.766465] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 39.773698] [] ? handle_mm_fault+0x6ee/0x2530 [ 39.779814] [] ? __lock_is_held+0xa1/0xf0 [ 39.785578] [] ? __pmd_alloc+0x410/0x410 [ 39.791259] [] ? __fget_light+0x158/0x1e0 [ 39.797023] [] ? __fdget+0x18/0x20 executing program [ 39.802178] [] __sys_sendmsg+0xd6/0x190 [ 39.807978] [] ? SyS_shutdown+0x1b0/0x1b0 [ 39.813746] [] ? __do_page_fault+0x5ec/0xd40 [ 39.819769] [] ? __do_page_fault+0x3bd/0xd40 [ 39.825795] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.832614] [] SyS_sendmsg+0x2d/0x50 [ 39.837945] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 39.848432] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 39.857150] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.862597] CPU: 0 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 39.870274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.879606] ffff8801c82e7490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 39.887574] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 39.895550] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 39.903518] Call Trace: [ 39.906078] [] dump_stack+0xc1/0x128 [ 39.911415] [] check_preemption_disabled+0x1d4/0x200 [ 39.918148] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.924611] [] ipcomp_init_state+0x188/0x930 [ 39.930646] [] ? __lock_is_held+0xa1/0xf0 [ 39.936415] [] ipcomp4_init_state+0xb0/0x7d0 [ 39.942440] [] __xfrm_init_state+0x3e7/0xb30 [ 39.948469] [] xfrm_add_sa+0x1916/0x2e40 [ 39.954147] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.960965] [] ? nla_parse+0x213/0x260 [ 39.966471] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 39.973277] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 39.979309] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.985338] [] netlink_rcv_skb+0x13e/0x370 [ 39.991191] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 39.997215] [] xfrm_netlink_rcv+0x6f/0x90 [ 40.002992] [] netlink_unicast+0x511/0x750 [ 40.008846] [] ? netlink_unicast+0x43c/0x750 [ 40.014873] [] ? netlink_attachskb+0x680/0x680 [ 40.021075] [] netlink_sendmsg+0x8e8/0xc50 [ 40.026932] [] ? netlink_unicast+0x750/0x750 [ 40.032957] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 40.039419] [] ? security_socket_sendmsg+0x89/0xb0 [ 40.045965] [] ? netlink_unicast+0x750/0x750 [ 40.051996] [] sock_sendmsg+0xca/0x110 [ 40.057510] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.063277] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.069828] [] ? __lru_cache_add+0x187/0x250 [ 40.075855] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.082923] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.088863] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.095931] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.102044] [] ? __lock_is_held+0xa1/0xf0 [ 40.107821] [] ? __pmd_alloc+0x410/0x410 [ 40.113503] [] ? __fget_light+0x158/0x1e0 [ 40.119269] [] ? __fdget+0x18/0x20 [ 40.124435] [] __sys_sendmsg+0xd6/0x190 [ 40.130027] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.135793] [] ? __do_page_fault+0x5ec/0xd40 [ 40.141824] [] ? __do_page_fault+0x3bd/0xd40 [ 40.147854] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 40.154665] [] SyS_sendmsg+0x2d/0x50 [ 40.159998] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 40.169947] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 40.178652] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.184195] CPU: 0 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 40.191873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.201203] ffff8801c82e7490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 40.209184] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 40.217155] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 40.225119] Call Trace: [ 40.227678] [] dump_stack+0xc1/0x128 [ 40.233008] [] check_preemption_disabled+0x1d4/0x200 [ 40.239730] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.246191] [] ipcomp_init_state+0x188/0x930 [ 40.252235] [] ? __lock_is_held+0xa1/0xf0 [ 40.258000] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.264025] [] __xfrm_init_state+0x3e7/0xb30 [ 40.270052] [] xfrm_add_sa+0x1916/0x2e40 [ 40.275748] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 40.282560] [] ? nla_parse+0x213/0x260 [ 40.288065] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 40.294883] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 40.300908] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.306935] [] netlink_rcv_skb+0x13e/0x370 [ 40.312791] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.318814] [] xfrm_netlink_rcv+0x6f/0x90 [ 40.324579] [] netlink_unicast+0x511/0x750 [ 40.330458] [] ? netlink_unicast+0x43c/0x750 [ 40.336528] [] ? netlink_attachskb+0x680/0x680 [ 40.342731] [] netlink_sendmsg+0x8e8/0xc50 [ 40.348586] [] ? netlink_unicast+0x750/0x750 [ 40.354619] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 40.361083] [] ? security_socket_sendmsg+0x89/0xb0 [ 40.367632] [] ? netlink_unicast+0x750/0x750 [ 40.373712] [] sock_sendmsg+0xca/0x110 [ 40.379238] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.385011] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.391562] [] ? __lru_cache_add+0x187/0x250 [ 40.397595] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.405229] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.411173] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.418243] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.424359] [] ? __lock_is_held+0xa1/0xf0 [ 40.430125] [] ? __pmd_alloc+0x410/0x410 [ 40.435805] [] ? __fget_light+0x158/0x1e0 [ 40.441570] [] ? __fdget+0x18/0x20 [ 40.446731] [] __sys_sendmsg+0xd6/0x190 [ 40.452343] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 40.458113] [] ? __do_page_fault+0x5ec/0xd40 [ 40.464150] [] ? __do_page_fault+0x3bd/0xd40 [ 40.470180] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.476992] [] SyS_sendmsg+0x2d/0x50 [ 40.482325] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 40.494408] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 40.503125] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.508551] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 40.516226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.525554] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 40.533538] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 40.541509] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 40.549479] Call Trace: [ 40.552041] [] dump_stack+0xc1/0x128 [ 40.557379] [] check_preemption_disabled+0x1d4/0x200 [ 40.564104] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.570616] [] ipcomp_init_state+0x188/0x930 [ 40.576649] [] ? __lock_is_held+0xa1/0xf0 [ 40.582421] [] ipcomp4_init_state+0xb0/0x7d0 [ 40.588451] [] __xfrm_init_state+0x3e7/0xb30 [ 40.594479] [] xfrm_add_sa+0x1916/0x2e40 [ 40.600159] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 40.606980] [] ? nla_parse+0x213/0x260 [ 40.612493] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 40.619311] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 40.625338] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.631377] [] netlink_rcv_skb+0x13e/0x370 [ 40.637240] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.643269] [] xfrm_netlink_rcv+0x6f/0x90 [ 40.649036] [] netlink_unicast+0x511/0x750 [ 40.654889] [] ? netlink_unicast+0x43c/0x750 [ 40.660916] [] ? netlink_attachskb+0x680/0x680 [ 40.667133] [] netlink_sendmsg+0x8e8/0xc50 [ 40.672990] [] ? netlink_unicast+0x750/0x750 [ 40.679018] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 40.685492] [] ? security_socket_sendmsg+0x89/0xb0 [ 40.692043] [] ? netlink_unicast+0x750/0x750 [ 40.698070] [] sock_sendmsg+0xca/0x110 [ 40.703578] [] ___sys_sendmsg+0x6d1/0x7e0 [ 40.709349] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.715909] [] ? __lru_cache_add+0x187/0x250 [ 40.721939] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 40.729013] [] ? _raw_spin_unlock+0x2c/0x50 [ 40.734957] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 40.742039] [] ? handle_mm_fault+0x6ee/0x2530 [ 40.748156] [] ? __lock_is_held+0xa1/0xf0 [ 40.753926] [] ? __pmd_alloc+0x410/0x410 [ 40.759607] [] ? __fget_light+0x158/0x1e0 [ 40.765374] [] ? __fdget+0x18/0x20 [ 40.770536] [] __sys_sendmsg+0xd6/0x190 [ 40.776129] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.781897] [] ? __do_page_fault+0x5ec/0xd40 [ 40.787929] [] ? __do_page_fault+0x3bd/0xd40 [ 40.793969] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.800787] [] 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 [ 40.806124] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.602185] check_preemption_disabled: 659 callbacks suppressed [ 42.602189] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 42.616947] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.622403] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 42.630098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.639427] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 42.647418] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 42.655391] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 42.663625] Call Trace: [ 42.666187] [] dump_stack+0xc1/0x128 [ 42.671525] [] check_preemption_disabled+0x1d4/0x200 [ 42.678249] [] __this_cpu_preempt_check+0x1c/0x20 [ 42.684717] [] ipcomp_init_state+0x188/0x930 [ 42.690748] [] ? __lock_is_held+0xa1/0xf0 [ 42.696533] [] ipcomp4_init_state+0xb0/0x7d0 [ 42.702566] [] __xfrm_init_state+0x3e7/0xb30 [ 42.708596] [] xfrm_add_sa+0x1916/0x2e40 [ 42.714284] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 42.721095] [] ? nla_parse+0x213/0x260 [ 42.726605] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 42.733415] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 42.739442] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 42.745473] [] netlink_rcv_skb+0x13e/0x370 [ 42.751328] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 42.757358] [] xfrm_netlink_rcv+0x6f/0x90 [ 42.763127] [] netlink_unicast+0x511/0x750 [ 42.768983] [] ? netlink_unicast+0x43c/0x750 [ 42.775011] [] ? netlink_attachskb+0x680/0x680 [ 42.781214] [] netlink_sendmsg+0x8e8/0xc50 [ 42.787070] [] ? netlink_unicast+0x750/0x750 [ 42.793104] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 42.799575] [] ? security_socket_sendmsg+0x89/0xb0 [ 42.806138] [] ? netlink_unicast+0x750/0x750 [ 42.812177] [] sock_sendmsg+0xca/0x110 [ 42.817689] [] ___sys_sendmsg+0x6d1/0x7e0 [ 42.823458] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.830009] [] ? __lru_cache_add+0x187/0x250 [ 42.836037] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 42.843118] [] ? _raw_spin_unlock+0x2c/0x50 [ 42.849062] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 42.856135] [] ? handle_mm_fault+0x6ee/0x2530 [ 42.862266] [] ? __lock_is_held+0xa1/0xf0 [ 42.868035] [] ? __pmd_alloc+0x410/0x410 [ 42.873716] [] ? __fget_light+0x158/0x1e0 [ 42.879482] [] ? __fdget+0x18/0x20 [ 42.884643] [] __sys_sendmsg+0xd6/0x190 [ 42.890238] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.896009] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 42.902037] [] ? __do_page_fault+0x3bd/0xd40 [ 42.908071] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.914885] [] SyS_sendmsg+0x2d/0x50 [ 42.920223] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 42.932760] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 42.941467] caller is __this_cpu_preempt_check+0x1c/0x20 [ 42.946957] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 42.954649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.963992] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 42.971971] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 42.979959] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 42.987932] Call Trace: [ 42.990496] [] dump_stack+0xc1/0x128 [ 42.995847] [] check_preemption_disabled+0x1d4/0x200 [ 43.002570] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.009033] [] ipcomp_init_state+0x188/0x930 [ 43.015066] [] ? __lock_is_held+0xa1/0xf0 [ 43.020850] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.026884] [] __xfrm_init_state+0x3e7/0xb30 [ 43.032918] [] xfrm_add_sa+0x1916/0x2e40 [ 43.038600] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.045414] [] ? nla_parse+0x213/0x260 [ 43.050936] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.057747] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.063779] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.069823] [] netlink_rcv_skb+0x13e/0x370 [ 43.075679] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.081707] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.087474] [] netlink_unicast+0x511/0x750 [ 43.093328] [] ? netlink_unicast+0x43c/0x750 [ 43.099357] [] ? netlink_attachskb+0x680/0x680 [ 43.105561] [] netlink_sendmsg+0x8e8/0xc50 [ 43.111415] [] ? netlink_unicast+0x750/0x750 [ 43.117446] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.123912] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.130460] [] ? netlink_unicast+0x750/0x750 [ 43.136490] [] sock_sendmsg+0xca/0x110 [ 43.141998] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.147767] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.154322] [] ? __lru_cache_add+0x187/0x250 [ 43.160353] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.167429] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.173377] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.180447] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.186564] [] ? __lock_is_held+0xa1/0xf0 [ 43.192341] [] ? __pmd_alloc+0x410/0x410 [ 43.198030] [] ? __fget_light+0x158/0x1e0 executing program [ 43.203799] [] ? __fdget+0x18/0x20 [ 43.208958] [] __sys_sendmsg+0xd6/0x190 [ 43.214552] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.220320] [] ? __do_page_fault+0x5ec/0xd40 [ 43.226351] [] ? __do_page_fault+0x3bd/0xd40 [ 43.232383] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.239195] [] SyS_sendmsg+0x2d/0x50 [ 43.244531] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.256439] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.265147] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.270581] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.278258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.287597] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.295568] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.303548] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.311526] Call Trace: [ 43.314087] [] dump_stack+0xc1/0x128 [ 43.319422] [] check_preemption_disabled+0x1d4/0x200 [ 43.326148] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.332622] [] ipcomp_init_state+0x188/0x930 [ 43.338652] [] ? __lock_is_held+0xa1/0xf0 [ 43.344422] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.350449] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program [ 43.356480] [] xfrm_add_sa+0x1916/0x2e40 [ 43.362162] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.368972] [] ? nla_parse+0x213/0x260 [ 43.374482] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.381297] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.387362] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.387373] [] netlink_rcv_skb+0x13e/0x370 [ 43.387378] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.387388] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.387393] [] netlink_unicast+0x511/0x750 [ 43.387399] [] ? netlink_unicast+0x43c/0x750 [ 43.387404] [] ? netlink_attachskb+0x680/0x680 [ 43.387409] [] netlink_sendmsg+0x8e8/0xc50 [ 43.387416] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.387424] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.387431] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.387437] [] ? netlink_unicast+0x750/0x750 [ 43.387445] [] sock_sendmsg+0xca/0x110 [ 43.387452] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.387459] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.387469] [] ? __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 [ 43.387478] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.387486] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.387493] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.387499] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.387508] [] ? __lock_is_held+0xa1/0xf0 [ 43.387513] [] ? __pmd_alloc+0x410/0x410 [ 43.387519] [] ? __fget_light+0x158/0x1e0 [ 43.387524] [] ? __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 [ 43.387530] [] __sys_sendmsg+0xd6/0x190 [ 43.387536] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.387544] [] ? __do_page_fault+0x5ec/0xd40 [ 43.387551] [] ? __do_page_fault+0x3bd/0xd40 [ 43.387558] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.387564] [] SyS_sendmsg+0x2d/0x50 [ 43.387570] [] 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 [ 43.395559] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.395573] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.395580] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.395584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.395595] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.395603] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.395612] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.395614] Call Trace: [ 43.395623] [] dump_stack+0xc1/0x128 [ 43.395631] [] check_preemption_disabled+0x1d4/0x200 [ 43.395639] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.395648] [] ipcomp_init_state+0x188/0x930 [ 43.395658] [] ? __lock_is_held+0xa1/0xf0 [ 43.395666] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.395672] [] __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 [ 43.395679] [] xfrm_add_sa+0x1916/0x2e40 [ 43.395687] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.395696] [] ? nla_parse+0x213/0x260 [ 43.395703] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.395709] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.395716] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.395726] [] netlink_rcv_skb+0x13e/0x370 [ 43.395732] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.395738] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.395745] [] netlink_unicast+0x511/0x750 [ 43.395751] [] ? netlink_unicast+0x43c/0x750 [ 43.395758] [] ? netlink_attachskb+0x680/0x680 [ 43.395766] [] netlink_sendmsg+0x8e8/0xc50 [ 43.395773] [] ? netlink_unicast+0x750/0x750 [ 43.395781] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.395789] [] ? security_socket_sendmsg+0x89/0xb0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.395796] [] ? netlink_unicast+0x750/0x750 [ 43.395804] [] sock_sendmsg+0xca/0x110 [ 43.395812] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.395819] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.395829] [] ? __lru_cache_add+0x187/0x250 [ 43.395838] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.395845] [] ? _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 [ 43.395853] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.395860] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.395872] [] ? __lock_is_held+0xa1/0xf0 [ 43.395878] [] ? __pmd_alloc+0x410/0x410 [ 43.395886] [] ? __fget_light+0x158/0x1e0 [ 43.395892] [] ? __fdget+0x18/0x20 [ 43.395898] [] __sys_sendmsg+0xd6/0x190 [ 43.395904] [] ? 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 [ 43.395912] [] ? __do_page_fault+0x5ec/0xd40 [ 43.395920] [] ? __do_page_fault+0x3bd/0xd40 [ 43.395928] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.395934] [] SyS_sendmsg+0x2d/0x50 [ 43.395941] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.400373] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.400385] 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 [ 43.400393] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.400396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.400409] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.400417] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.400431] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.400433] Call Trace: [ 43.400443] [] 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 [ 43.400451] [] check_preemption_disabled+0x1d4/0x200 [ 43.400459] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.400467] [] ipcomp_init_state+0x188/0x930 [ 43.400476] [] ? __lock_is_held+0xa1/0xf0 [ 43.400483] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.400489] [] __xfrm_init_state+0x3e7/0xb30 [ 43.400494] [] xfrm_add_sa+0x1916/0x2e40 [ 43.400500] [] ? xfrm_send_state_notify+0x17d0/0x17d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.400506] [] ? nla_parse+0x213/0x260 [ 43.400511] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.400516] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.400521] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.400529] [] netlink_rcv_skb+0x13e/0x370 [ 43.400534] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.400539] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.400543] [] netlink_unicast+0x511/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.400548] [] ? netlink_unicast+0x43c/0x750 [ 43.400553] [] ? netlink_attachskb+0x680/0x680 [ 43.400560] [] netlink_sendmsg+0x8e8/0xc50 [ 43.400567] [] ? netlink_unicast+0x750/0x750 [ 43.400576] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.400583] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.400588] [] ? netlink_unicast+0x750/0x750 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 [ 43.400595] [] sock_sendmsg+0xca/0x110 [ 43.400600] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.400606] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.400614] [] ? __lru_cache_add+0x187/0x250 [ 43.400621] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.400628] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.400633] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.400639] [] ? 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 [ 43.400645] [] ? __lock_is_held+0xa1/0xf0 [ 43.400650] [] ? __pmd_alloc+0x410/0x410 [ 43.400656] [] ? __fget_light+0x158/0x1e0 [ 43.400661] [] ? __fdget+0x18/0x20 [ 43.400666] [] __sys_sendmsg+0xd6/0x190 [ 43.400671] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.400678] [] ? __do_page_fault+0x5ec/0xd40 [ 43.400684] [] ? __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 [ 43.400692] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.400698] [] SyS_sendmsg+0x2d/0x50 [ 43.400703] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.405783] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.405795] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.405803] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.405806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.405817] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.405825] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.405833] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.405835] Call Trace: [ 43.405844] [] dump_stack+0xc1/0x128 [ 43.405851] [] check_preemption_disabled+0x1d4/0x200 [ 43.405858] [] __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 [ 43.405871] [] ipcomp_init_state+0x188/0x930 [ 43.405881] [] ? __lock_is_held+0xa1/0xf0 [ 43.405889] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.405895] [] __xfrm_init_state+0x3e7/0xb30 [ 43.405901] [] xfrm_add_sa+0x1916/0x2e40 [ 43.405908] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.405916] [] ? nla_parse+0x213/0x260 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.405922] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.405929] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.405934] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.405945] [] netlink_rcv_skb+0x13e/0x370 [ 43.405951] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.405957] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.405963] [] netlink_unicast+0x511/0x750 [ 43.405969] [] ? netlink_unicast+0x43c/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.405976] [] ? netlink_attachskb+0x680/0x680 [ 43.405983] [] netlink_sendmsg+0x8e8/0xc50 [ 43.405989] [] ? netlink_unicast+0x750/0x750 [ 43.405997] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.406005] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.406011] [] ? netlink_unicast+0x750/0x750 [ 43.406019] [] sock_sendmsg+0xca/0x110 [ 43.406026] [] ___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 [ 43.406033] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.406043] [] ? __lru_cache_add+0x187/0x250 [ 43.406052] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.406059] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.406066] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.406073] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.406079] [] ? __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 [ 43.406085] [] ? __pmd_alloc+0x410/0x410 [ 43.406091] [] ? __fget_light+0x158/0x1e0 [ 43.406097] [] ? __fdget+0x18/0x20 [ 43.406102] [] __sys_sendmsg+0xd6/0x190 [ 43.406108] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.406116] [] ? __do_page_fault+0x5ec/0xd40 [ 43.406122] [] ? __do_page_fault+0x3bd/0xd40 [ 43.406130] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.406136] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.406142] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.410529] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.410541] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.410548] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.410551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.410561] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.410570] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.410578] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.410579] Call Trace: [ 43.410589] [] dump_stack+0xc1/0x128 [ 43.410596] [] check_preemption_disabled+0x1d4/0x200 [ 43.410603] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.410611] [] ipcomp_init_state+0x188/0x930 [ 43.410620] [] ? __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 [ 43.410627] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.410633] [] __xfrm_init_state+0x3e7/0xb30 [ 43.410640] [] xfrm_add_sa+0x1916/0x2e40 [ 43.410647] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.410654] [] ? nla_parse+0x213/0x260 [ 43.410661] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.410667] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.410673] [] ? xfrm_dump_sa_done+0xe0/0xe0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.410682] [] netlink_rcv_skb+0x13e/0x370 [ 43.410688] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.410695] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.410701] [] netlink_unicast+0x511/0x750 [ 43.410707] [] ? netlink_unicast+0x43c/0x750 [ 43.410713] [] ? netlink_attachskb+0x680/0x680 [ 43.410720] [] netlink_sendmsg+0x8e8/0xc50 [ 43.410727] [] ? netlink_unicast+0x750/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.410734] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.410742] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.410748] [] ? netlink_unicast+0x750/0x750 [ 43.410755] [] sock_sendmsg+0xca/0x110 [ 43.410762] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.410769] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.410777] [] ? __lru_cache_add+0x187/0x250 [ 43.410785] [] ? 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 [ 43.410791] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.410798] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.410805] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.410811] [] ? __lock_is_held+0xa1/0xf0 [ 43.410817] [] ? __pmd_alloc+0x410/0x410 [ 43.410824] [] ? __fget_light+0x158/0x1e0 [ 43.410829] [] ? __fdget+0x18/0x20 [ 43.410835] [] __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 [ 43.410840] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.410848] [] ? __do_page_fault+0x5ec/0xd40 [ 43.410854] [] ? __do_page_fault+0x3bd/0xd40 [ 43.410862] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.410874] [] SyS_sendmsg+0x2d/0x50 [ 43.410881] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.415827] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.415840] 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 [ 43.415846] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.415850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.415860] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.415873] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.415881] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.415883] Call Trace: [ 43.415893] [] 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 [ 43.415900] [] check_preemption_disabled+0x1d4/0x200 [ 43.415907] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.415916] [] ipcomp_init_state+0x188/0x930 [ 43.415925] [] ? __lock_is_held+0xa1/0xf0 [ 43.415931] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.415937] [] __xfrm_init_state+0x3e7/0xb30 [ 43.415944] [] xfrm_add_sa+0x1916/0x2e40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.415951] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.415958] [] ? nla_parse+0x213/0x260 [ 43.415964] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.415970] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.415977] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.415985] [] netlink_rcv_skb+0x13e/0x370 [ 43.415991] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.415997] [] xfrm_netlink_rcv+0x6f/0x90 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.416003] [] netlink_unicast+0x511/0x750 [ 43.416009] [] ? netlink_unicast+0x43c/0x750 [ 43.416016] [] ? netlink_attachskb+0x680/0x680 [ 43.416023] [] netlink_sendmsg+0x8e8/0xc50 [ 43.416029] [] ? netlink_unicast+0x750/0x750 [ 43.416036] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.416043] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.416049] [] ? netlink_unicast+0x750/0x750 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 [ 43.416056] [] sock_sendmsg+0xca/0x110 [ 43.416063] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.416070] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.416078] [] ? __lru_cache_add+0x187/0x250 [ 43.416087] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.416094] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.416101] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.416108] [] ? 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 [ 43.416115] [] ? __lock_is_held+0xa1/0xf0 [ 43.416120] [] ? __pmd_alloc+0x410/0x410 [ 43.416127] [] ? __fget_light+0x158/0x1e0 [ 43.416132] [] ? __fdget+0x18/0x20 [ 43.416138] [] __sys_sendmsg+0xd6/0x190 [ 43.416144] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.416151] [] ? __do_page_fault+0x5ec/0xd40 [ 43.416158] [] ? __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 [ 43.416167] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.416172] [] SyS_sendmsg+0x2d/0x50 [ 43.416179] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.420503] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 [ 43.420514] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.420521] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.420524] 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 [ 43.420535] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.420543] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.420552] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.420553] Call Trace: [ 43.420562] [] dump_stack+0xc1/0x128 [ 43.420570] [] check_preemption_disabled+0x1d4/0x200 [ 43.420577] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.420585] [] 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 [ 43.420594] [] ? __lock_is_held+0xa1/0xf0 [ 43.420601] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.420607] [] __xfrm_init_state+0x3e7/0xb30 [ 43.420613] [] xfrm_add_sa+0x1916/0x2e40 [ 43.420620] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.420628] [] ? nla_parse+0x213/0x260 [ 43.420635] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.420641] [] xfrm_user_rcv_msg+0x413/0x6a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.420647] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.420656] [] netlink_rcv_skb+0x13e/0x370 [ 43.420662] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.420668] [] xfrm_netlink_rcv+0x6f/0x90 [ 43.420674] [] netlink_unicast+0x511/0x750 [ 43.420680] [] ? netlink_unicast+0x43c/0x750 [ 43.420687] [] ? netlink_attachskb+0x680/0x680 [ 43.420693] [] netlink_sendmsg+0x8e8/0xc50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.420700] [] ? netlink_unicast+0x750/0x750 [ 43.420707] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.420714] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.420720] [] ? netlink_unicast+0x750/0x750 [ 43.420727] [] sock_sendmsg+0xca/0x110 [ 43.420734] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.420741] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.420749] [] ? __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 [ 43.420757] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.420763] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.420770] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 43.420777] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.420783] [] ? __lock_is_held+0xa1/0xf0 [ 43.420789] [] ? __pmd_alloc+0x410/0x410 [ 43.420795] [] ? __fget_light+0x158/0x1e0 [ 43.420800] [] ? __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 [ 43.420806] [] __sys_sendmsg+0xd6/0x190 [ 43.420812] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.420820] [] ? __do_page_fault+0x5ec/0xd40 [ 43.420827] [] ? __do_page_fault+0x3bd/0xd40 [ 43.420834] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.420840] [] SyS_sendmsg+0x2d/0x50 [ 43.420846] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 43.425299] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller742138/3355 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.425311] caller is __this_cpu_preempt_check+0x1c/0x20 [ 43.425317] CPU: 1 PID: 3355 Comm: syzkaller742138 Not tainted 4.9.78-g68d447c #23 [ 43.425320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.425331] ffff8801c82e7490 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 43.425339] ffffffff83f45480 ffff8801cb716000 0000000000000003 ffff8801c82e74d0 [ 43.425347] ffffffff81dfb974 ffff8801c82e74e8 ffffffff83f45480 dffffc0000000000 [ 43.425348] 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 [ 43.425358] [] dump_stack+0xc1/0x128 [ 43.425365] [] check_preemption_disabled+0x1d4/0x200 [ 43.425372] [] __this_cpu_preempt_check+0x1c/0x20 [ 43.425380] [] ipcomp_init_state+0x188/0x930 [ 43.425389] [] ? __lock_is_held+0xa1/0xf0 [ 43.425396] [] ipcomp4_init_state+0xb0/0x7d0 [ 43.425402] [] __xfrm_init_state+0x3e7/0xb30 [ 43.425408] [] xfrm_add_sa+0x1916/0x2e40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.425415] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.425422] [] ? nla_parse+0x213/0x260 [ 43.425429] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 43.425435] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 43.425441] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.425450] [] netlink_rcv_skb+0x13e/0x370 [ 43.425456] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 43.425462] [] xfrm_netlink_rcv+0x6f/0x90 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.425468] [] netlink_unicast+0x511/0x750 [ 43.425474] [] ? netlink_unicast+0x43c/0x750 [ 43.425481] [] ? netlink_attachskb+0x680/0x680 [ 43.425487] [] netlink_sendmsg+0x8e8/0xc50 [ 43.425494] [] ? netlink_unicast+0x750/0x750 [ 43.425501] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 43.425508] [] ? security_socket_sendmsg+0x89/0xb0 [ 43.425514] [] ? netlink_unicast+0x750/0x750 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 [ 43.425522] [] sock_sendmsg+0xca/0x110 [ 43.425528] [] ___sys_sendmsg+0x6d1/0x7e0 [ 43.425536] [] ? copy_msghdr_from_user+0x550/0x550 [ 43.425543] [] ? __lru_cache_add+0x187/0x250 [ 43.425551] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 43.425558] [] ? _raw_spin_unlock+0x2c/0x50 [ 43.425565] [] ? 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 [ 43.425571] [] ? handle_mm_fault+0x6ee/0x2530 [ 43.425578] [] ? __lock_is_held+0xa1/0xf0 [ 43.425583] [] ? __pmd_alloc+0x410/0x410 [ 43.425590] [] ? __fget_light+0x158/0x1e0 [ 43.425595] [] ? __fdget+0x18/0x20 [ 43.425601] [] __sys_sendmsg+0xd6/0x190 [ 43.425607] [] ? SyS_shutdown+0x1b0/0x1b0 [ 43.425614] [] ? __do_page_fault+0x5ec/0xd40 [ 43.425621] [] ? __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 [ 43.425628] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 43.425634] [] SyS_sendmsg+0x2d/0x50 [ 43.425640] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program