[....] Starting enhanced syslogd: rsyslogd[ 14.467694] audit: type=1400 audit(1517668107.079:4): avc: denied { syslog } for pid=3908 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 52.329365] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4082 [ 52.338075] caller is __this_cpu_preempt_check+0x1c/0x20 [ 52.343721] CPU: 1 PID: 4082 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 52.351400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.360727] ffff8801d3a9f478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 [ 52.368704] ffffffff83f454c0 ffff8801d434e000 0000000000000003 ffff8801d3a9f4b8 [ 52.376669] ffffffff81dfc0e4 ffff8801d3a9f4d0 ffffffff83f454c0 dffffc0000000000 [ 52.384646] Call Trace: [ 52.387205] [] dump_stack+0xc1/0x128 [ 52.392550] [] check_preemption_disabled+0x1d4/0x200 [ 52.399272] [] __this_cpu_preempt_check+0x1c/0x20 [ 52.405742] [] ipcomp_init_state+0x188/0x930 [ 52.411769] [] ? __lock_is_held+0xa1/0xf0 [ 52.417534] [] ipcomp6_init_state+0xb5/0x820 [ 52.423563] [] ? __xfrm_init_state+0x363/0xb30 [ 52.429762] [] __xfrm_init_state+0x3e7/0xb30 [ 52.435790] [] xfrm_add_sa+0x1916/0x2e40 [ 52.441473] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 52.448283] [] ? nla_parse+0x213/0x260 [ 52.453808] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 52.460615] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 52.466640] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 52.472669] [] netlink_rcv_skb+0x13e/0x370 [ 52.478523] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 52.484551] [] xfrm_netlink_rcv+0x6f/0x90 [ 52.490319] [] netlink_unicast+0x511/0x750 [ 52.496173] [] ? netlink_unicast+0x43c/0x750 [ 52.502201] [] ? netlink_attachskb+0x680/0x680 [ 52.508404] [] netlink_sendmsg+0x8e8/0xc50 [ 52.514255] [] ? netlink_unicast+0x750/0x750 [ 52.520286] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 52.526751] [] ? security_socket_sendmsg+0x89/0xb0 [ 52.533297] [] ? netlink_unicast+0x750/0x750 [ 52.539324] [] sock_sendmsg+0xca/0x110 [ 52.544831] [] ___sys_sendmsg+0x6d1/0x7e0 [ 52.550611] [] ? copy_msghdr_from_user+0x550/0x550 [ 52.557163] [] ? __lru_cache_add+0x187/0x250 [ 52.563192] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 52.570271] [] ? _raw_spin_unlock+0x2c/0x50 [ 52.576212] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 52.583283] [] ? handle_mm_fault+0x6ee/0x2530 [ 52.589400] [] ? __lock_is_held+0xa1/0xf0 [ 52.595172] [] ? __pmd_alloc+0x410/0x410 [ 52.600855] [] ? __fget_light+0x158/0x1e0 [ 52.606623] [] ? __fdget+0x18/0x20 [ 52.611788] [] __sys_sendmsg+0xd6/0x190 [ 52.617381] [] ? SyS_shutdown+0x1b0/0x1b0 [ 52.623152] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 52.629180] [] ? __do_page_fault+0x3bd/0xd40 [ 52.635210] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 52.642029] [] SyS_sendmsg+0x2d/0x50 [ 52.647362] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 52.657980] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4083 [ 52.666771] caller is __this_cpu_preempt_check+0x1c/0x20 [ 52.672224] CPU: 0 PID: 4083 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 52.679900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.689239] ffff8801d3a9f478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 [ 52.697306] ffffffff83f454c0 ffff8801d40b4800 0000000000000003 ffff8801d3a9f4b8 [ 52.705274] ffffffff81dfc0e4 ffff8801d3a9f4d0 ffffffff83f454c0 dffffc0000000000 [ 52.713244] Call Trace: [ 52.715802] [] dump_stack+0xc1/0x128 [ 52.721151] [] check_preemption_disabled+0x1d4/0x200 [ 52.727874] [] __this_cpu_preempt_check+0x1c/0x20 [ 52.734339] [] ipcomp_init_state+0x188/0x930 [ 52.740369] [] ? __lock_is_held+0xa1/0xf0 [ 52.746147] [] ipcomp6_init_state+0xb5/0x820 [ 52.752185] [] ? __xfrm_init_state+0x363/0xb30 [ 52.758385] [] __xfrm_init_state+0x3e7/0xb30 [ 52.764414] [] xfrm_add_sa+0x1916/0x2e40 [ 52.770096] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 52.776904] [] ? nla_parse+0x213/0x260 [ 52.782527] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 52.789334] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 52.795360] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 52.801390] [] netlink_rcv_skb+0x13e/0x370 [ 52.807242] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 52.813269] [] xfrm_netlink_rcv+0x6f/0x90 [ 52.819037] [] netlink_unicast+0x511/0x750 [ 52.824890] [] ? netlink_unicast+0x43c/0x750 [ 52.830917] [] ? netlink_attachskb+0x680/0x680 [ 52.837135] [] netlink_sendmsg+0x8e8/0xc50 [ 52.843000] [] ? netlink_unicast+0x750/0x750 [ 52.849030] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 52.855492] [] ? security_socket_sendmsg+0x89/0xb0 [ 52.862039] [] ? netlink_unicast+0x750/0x750 [ 52.868065] [] sock_sendmsg+0xca/0x110 [ 52.873572] [] ___sys_sendmsg+0x6d1/0x7e0 [ 52.879338] [] ? copy_msghdr_from_user+0x550/0x550 [ 52.885890] [] ? __lru_cache_add+0x187/0x250 [ 52.891919] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 52.899174] [] ? _raw_spin_unlock+0x2c/0x50 [ 52.905115] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 52.912185] [] ? handle_mm_fault+0x6ee/0x2530 [ 52.918299] [] ? __lock_is_held+0xa1/0xf0 [ 52.924065] [] ? __pmd_alloc+0x410/0x410 [ 52.929744] [] ? __fget_light+0x158/0x1e0 [ 52.935509] [] ? __fdget+0x18/0x20 [ 52.940668] [] __sys_sendmsg+0xd6/0x190 [ 52.946260] [] ? SyS_shutdown+0x1b0/0x1b0 [ 52.952027] [] ? __do_page_fault+0x5ec/0xd40 [ 52.958061] [] ? __do_page_fault+0x3bd/0xd40 [ 52.964109] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 52.970919] [] SyS_sendmsg+0x2d/0x50 executing program [ 52.976253] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 52.986622] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4085 [ 52.995400] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.000880] CPU: 1 PID: 4085 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 53.008566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.017893] ffff8801d379f478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 [ 53.025872] ffffffff83f454c0 ffff8801d3750000 0000000000000003 ffff8801d379f4b8 [ 53.033847] ffffffff81dfc0e4 ffff8801d379f4d0 ffffffff83f454c0 dffffc0000000000 [ 53.041818] Call Trace: [ 53.044375] [] dump_stack+0xc1/0x128 [ 53.049708] [] check_preemption_disabled+0x1d4/0x200 [ 53.056430] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.062907] [] ipcomp_init_state+0x188/0x930 [ 53.068945] [] ? __lock_is_held+0xa1/0xf0 [ 53.074711] [] ipcomp6_init_state+0xb5/0x820 [ 53.080737] [] ? __xfrm_init_state+0x363/0xb30 [ 53.086936] [] __xfrm_init_state+0x3e7/0xb30 [ 53.092963] [] xfrm_add_sa+0x1916/0x2e40 [ 53.098642] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.105452] [] ? nla_parse+0x213/0x260 [ 53.110956] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.117777] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 53.123813] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.129843] [] netlink_rcv_skb+0x13e/0x370 [ 53.135701] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.141737] [] xfrm_netlink_rcv+0x6f/0x90 [ 53.147504] [] netlink_unicast+0x511/0x750 [ 53.153361] [] ? netlink_unicast+0x43c/0x750 [ 53.159388] [] ? netlink_attachskb+0x680/0x680 [ 53.165592] [] netlink_sendmsg+0x8e8/0xc50 [ 53.171446] [] ? netlink_unicast+0x750/0x750 [ 53.177475] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 53.183939] [] ? security_socket_sendmsg+0x89/0xb0 [ 53.190501] [] ? netlink_unicast+0x750/0x750 [ 53.196532] [] sock_sendmsg+0xca/0x110 [ 53.202047] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.207813] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.214363] [] ? __lru_cache_add+0x187/0x250 [ 53.220402] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.227471] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.233412] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.240579] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.246697] [] ? __lock_is_held+0xa1/0xf0 [ 53.252462] [] ? __pmd_alloc+0x410/0x410 [ 53.258151] [] ? __fget_light+0x158/0x1e0 [ 53.263918] [] ? __fdget+0x18/0x20 [ 53.269076] [] __sys_sendmsg+0xd6/0x190 [ 53.274675] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 53.280442] [] ? __do_page_fault+0x5ec/0xd40 [ 53.286468] [] ? __do_page_fault+0x3bd/0xd40 [ 53.292496] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.299301] [] SyS_sendmsg+0x2d/0x50 [ 53.304633] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 53.313884] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4086 [ 53.322602] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.328038] CPU: 1 PID: 4086 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 53.335721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.345043] ffff8801d379f478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 [ 53.353022] ffffffff83f454c0 ffff8801d3d66000 0000000000000003 ffff8801d379f4b8 [ 53.360987] ffffffff81dfc0e4 ffff8801d379f4d0 ffffffff83f454c0 dffffc0000000000 [ 53.368954] Call Trace: [ 53.371513] [] dump_stack+0xc1/0x128 [ 53.376855] [] check_preemption_disabled+0x1d4/0x200 [ 53.383577] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.390051] [] ipcomp_init_state+0x188/0x930 [ 53.396082] [] ? __lock_is_held+0xa1/0xf0 [ 53.401849] [] ipcomp6_init_state+0xb5/0x820 [ 53.407876] [] ? __xfrm_init_state+0x363/0xb30 [ 53.414086] [] __xfrm_init_state+0x3e7/0xb30 [ 53.420115] [] xfrm_add_sa+0x1916/0x2e40 [ 53.425799] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.432606] [] ? nla_parse+0x213/0x260 [ 53.438109] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.444916] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 53.450946] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.456983] [] netlink_rcv_skb+0x13e/0x370 [ 53.462838] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.468866] [] xfrm_netlink_rcv+0x6f/0x90 [ 53.474634] [] netlink_unicast+0x511/0x750 [ 53.480500] [] ? netlink_unicast+0x43c/0x750 [ 53.486528] [] ? netlink_attachskb+0x680/0x680 [ 53.492740] [] netlink_sendmsg+0x8e8/0xc50 [ 53.498593] [] ? netlink_unicast+0x750/0x750 [ 53.504621] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 53.511081] [] ? security_socket_sendmsg+0x89/0xb0 [ 53.517629] [] ? netlink_unicast+0x750/0x750 [ 53.523657] [] sock_sendmsg+0xca/0x110 [ 53.529162] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.534940] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.541488] [] ? __lru_cache_add+0x187/0x250 [ 53.547517] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.554587] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.560527] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.567596] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.573710] [] ? __lock_is_held+0xa1/0xf0 [ 53.579475] [] ? __pmd_alloc+0x410/0x410 [ 53.585157] [] ? __fget_light+0x158/0x1e0 [ 53.590923] [] ? __fdget+0x18/0x20 [ 53.596081] [] __sys_sendmsg+0xd6/0x190 [ 53.601673] [] ? SyS_shutdown+0x1b0/0x1b0 [ 53.607443] [] ? __do_page_fault+0x5ec/0xd40 [ 53.613471] [] ? __do_page_fault+0x3bd/0xd40 [ 53.619500] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.626320] [] SyS_sendmsg+0x2d/0x50 executing program [ 53.631654] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 53.640739] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4087 [ 53.649911] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.655336] CPU: 0 PID: 4087 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 53.663011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.672335] ffff8801d379f478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 [ 53.680308] ffffffff83f454c0 ffff8801d61bb000 0000000000000003 ffff8801d379f4b8 [ 53.688285] ffffffff81dfc0e4 ffff8801d379f4d0 ffffffff83f454c0 dffffc0000000000 [ 53.696252] Call Trace: [ 53.698809] [] dump_stack+0xc1/0x128 [ 53.704144] [] check_preemption_disabled+0x1d4/0x200 [ 53.710867] [] __this_cpu_preempt_check+0x1c/0x20 [ 53.717340] [] ipcomp_init_state+0x188/0x930 [ 53.723369] [] ? __lock_is_held+0xa1/0xf0 [ 53.729136] [] ipcomp6_init_state+0xb5/0x820 [ 53.735176] [] ? __xfrm_init_state+0x363/0xb30 [ 53.741376] [] __xfrm_init_state+0x3e7/0xb30 [ 53.747402] [] xfrm_add_sa+0x1916/0x2e40 [ 53.753083] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.759893] [] ? nla_parse+0x213/0x260 [ 53.765399] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 53.772207] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 53.778246] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.784275] [] netlink_rcv_skb+0x13e/0x370 [ 53.790128] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 53.796157] [] xfrm_netlink_rcv+0x6f/0x90 [ 53.801924] [] netlink_unicast+0x511/0x750 [ 53.807777] [] ? netlink_unicast+0x43c/0x750 [ 53.813805] [] ? netlink_attachskb+0x680/0x680 [ 53.820010] [] netlink_sendmsg+0x8e8/0xc50 [ 53.825863] [] ? netlink_unicast+0x750/0x750 [ 53.831891] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 53.838351] [] ? security_socket_sendmsg+0x89/0xb0 [ 53.844899] [] ? netlink_unicast+0x750/0x750 [ 53.850930] [] sock_sendmsg+0xca/0x110 [ 53.856438] [] ___sys_sendmsg+0x6d1/0x7e0 [ 53.862205] [] ? copy_msghdr_from_user+0x550/0x550 [ 53.868754] [] ? __lru_cache_add+0x187/0x250 [ 53.874782] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 53.881851] [] ? _raw_spin_unlock+0x2c/0x50 [ 53.887792] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 53.894859] [] ? handle_mm_fault+0x6ee/0x2530 [ 53.900978] [] ? __lock_is_held+0xa1/0xf0 [ 53.906751] [] ? __pmd_alloc+0x410/0x410 [ 53.912432] [] ? __fget_light+0x158/0x1e0 [ 53.918198] [] ? __fdget+0x18/0x20 [ 53.923357] [] __sys_sendmsg+0xd6/0x190 [ 53.928950] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 53.934718] [] ? __do_page_fault+0x5ec/0xd40 [ 53.940749] [] ? __do_page_fault+0x3bd/0xd40 [ 53.946788] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 53.953606] [] SyS_sendmsg+0x2d/0x50 [ 53.958945] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 53.969483] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4088 [ 53.978196] caller is __this_cpu_preempt_check+0x1c/0x20 [ 53.983718] CPU: 1 PID: 4088 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 53.991397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.000725] ffff8801d37af478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 [ 54.008698] ffffffff83f454c0 ffff8801d3798000 0000000000000003 ffff8801d37af4b8 [ 54.016682] ffffffff81dfc0e4 ffff8801d37af4d0 ffffffff83f454c0 dffffc0000000000 [ 54.024674] Call Trace: [ 54.027241] [] dump_stack+0xc1/0x128 [ 54.032582] [] check_preemption_disabled+0x1d4/0x200 [ 54.039306] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.045772] [] ipcomp_init_state+0x188/0x930 [ 54.051800] [] ? __lock_is_held+0xa1/0xf0 [ 54.057568] [] ipcomp6_init_state+0xb5/0x820 [ 54.063596] [] ? __xfrm_init_state+0x363/0xb30 [ 54.069812] [] __xfrm_init_state+0x3e7/0xb30 [ 54.075844] [] xfrm_add_sa+0x1916/0x2e40 [ 54.081536] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.088345] [] ? nla_parse+0x213/0x260 [ 54.093854] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.100675] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 54.106710] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.112743] [] netlink_rcv_skb+0x13e/0x370 [ 54.118605] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.124633] [] xfrm_netlink_rcv+0x6f/0x90 [ 54.130403] [] netlink_unicast+0x511/0x750 [ 54.136258] [] ? netlink_unicast+0x43c/0x750 [ 54.142289] [] ? netlink_attachskb+0x680/0x680 [ 54.148499] [] netlink_sendmsg+0x8e8/0xc50 [ 54.154353] [] ? netlink_unicast+0x750/0x750 [ 54.160383] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 54.166847] [] ? security_socket_sendmsg+0x89/0xb0 [ 54.173395] [] ? netlink_unicast+0x750/0x750 [ 54.179443] [] sock_sendmsg+0xca/0x110 [ 54.184962] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.190730] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.197282] [] ? __lru_cache_add+0x187/0x250 [ 54.203312] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.210388] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.216330] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.223402] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.229521] [] ? __lock_is_held+0xa1/0xf0 [ 54.235289] [] ? __pmd_alloc+0x410/0x410 [ 54.240973] [] ? __fget_light+0x158/0x1e0 [ 54.246739] [] ? __fdget+0x18/0x20 [ 54.251899] [] __sys_sendmsg+0xd6/0x190 [ 54.257495] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.263263] [] ? __do_page_fault+0x5ec/0xd40 [ 54.269298] [] ? __do_page_fault+0x3bd/0xd40 [ 54.275330] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.282141] [] SyS_sendmsg+0x2d/0x50 executing program [ 54.287478] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 54.296722] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4089 [ 54.305476] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.310948] CPU: 0 PID: 4089 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 54.318629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.328314] ffff8801d37af478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 [ 54.336285] ffffffff83f454c0 ffff8801d3751800 0000000000000003 ffff8801d37af4b8 [ 54.344252] ffffffff81dfc0e4 ffff8801d37af4d0 ffffffff83f454c0 dffffc0000000000 [ 54.352245] Call Trace: [ 54.354804] [] dump_stack+0xc1/0x128 [ 54.360137] [] check_preemption_disabled+0x1d4/0x200 [ 54.366868] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.373331] [] ipcomp_init_state+0x188/0x930 [ 54.379359] [] ? __lock_is_held+0xa1/0xf0 [ 54.385125] [] ipcomp6_init_state+0xb5/0x820 [ 54.391151] [] ? __xfrm_init_state+0x363/0xb30 [ 54.397351] [] __xfrm_init_state+0x3e7/0xb30 [ 54.403378] [] xfrm_add_sa+0x1916/0x2e40 [ 54.409058] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.415870] [] ? nla_parse+0x213/0x260 [ 54.421376] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.428185] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 54.434213] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.440241] [] netlink_rcv_skb+0x13e/0x370 [ 54.446092] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.452118] [] xfrm_netlink_rcv+0x6f/0x90 [ 54.457892] [] netlink_unicast+0x511/0x750 [ 54.463745] [] ? netlink_unicast+0x43c/0x750 [ 54.469775] [] ? netlink_attachskb+0x680/0x680 [ 54.475973] [] netlink_sendmsg+0x8e8/0xc50 [ 54.481828] [] ? netlink_unicast+0x750/0x750 [ 54.487856] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 54.494347] [] ? security_socket_sendmsg+0x89/0xb0 [ 54.500894] [] ? netlink_unicast+0x750/0x750 [ 54.506935] [] sock_sendmsg+0xca/0x110 [ 54.512453] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.518220] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.524770] [] ? __lru_cache_add+0x187/0x250 [ 54.530801] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.537877] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.543820] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.550890] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.557015] [] ? __lock_is_held+0xa1/0xf0 [ 54.562780] [] ? __pmd_alloc+0x410/0x410 [ 54.568461] [] ? __fget_light+0x158/0x1e0 [ 54.574225] [] ? __fdget+0x18/0x20 [ 54.579384] [] __sys_sendmsg+0xd6/0x190 executing program [ 54.584978] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.590747] [] ? __do_page_fault+0x5ec/0xd40 [ 54.596776] [] ? __do_page_fault+0x3bd/0xd40 [ 54.602805] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.609612] [] SyS_sendmsg+0x2d/0x50 [ 54.614947] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 54.624978] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4090 [ 54.633691] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.639142] CPU: 1 PID: 4090 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 54.646827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.656153] ffff8801d37af478 ffffffff81d94b09 0000000000000001 ffffffff83c18800 [ 54.664119] ffffffff83f454c0 ffff8801d3753000 0000000000000003 ffff8801d37af4b8 [ 54.672086] ffffffff81dfc0e4 ffff8801d37af4d0 ffffffff83f454c0 dffffc0000000000 [ 54.680060] Call Trace: [ 54.682620] [] dump_stack+0xc1/0x128 [ 54.687965] [] check_preemption_disabled+0x1d4/0x200 [ 54.694692] [] __this_cpu_preempt_check+0x1c/0x20 [ 54.701165] [] ipcomp_init_state+0x188/0x930 [ 54.707216] [] ? __lock_is_held+0xa1/0xf0 [ 54.712981] [] ipcomp6_init_state+0xb5/0x820 [ 54.719005] [] ? __xfrm_init_state+0x363/0xb30 [ 54.725203] [] __xfrm_init_state+0x3e7/0xb30 [ 54.731229] [] xfrm_add_sa+0x1916/0x2e40 [ 54.736909] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.743718] [] ? nla_parse+0x213/0x260 [ 54.749230] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 54.756038] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 54.762065] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.768093] [] netlink_rcv_skb+0x13e/0x370 [ 54.773948] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 54.779977] [] xfrm_netlink_rcv+0x6f/0x90 [ 54.785747] [] netlink_unicast+0x511/0x750 [ 54.791601] [] ? netlink_unicast+0x43c/0x750 [ 54.797629] [] ? netlink_attachskb+0x680/0x680 [ 54.803832] [] netlink_sendmsg+0x8e8/0xc50 [ 54.809686] [] ? netlink_unicast+0x750/0x750 [ 54.815737] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 54.822200] [] ? security_socket_sendmsg+0x89/0xb0 [ 54.828750] [] ? netlink_unicast+0x750/0x750 [ 54.834776] [] sock_sendmsg+0xca/0x110 [ 54.840282] [] ___sys_sendmsg+0x6d1/0x7e0 [ 54.846049] [] ? copy_msghdr_from_user+0x550/0x550 [ 54.852612] [] ? __lru_cache_add+0x187/0x250 [ 54.858640] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 54.865709] [] ? _raw_spin_unlock+0x2c/0x50 [ 54.871651] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 54.878723] [] ? handle_mm_fault+0x6ee/0x2530 [ 54.884841] [] ? __lock_is_held+0xa1/0xf0 [ 54.890606] [] ? __pmd_alloc+0x410/0x410 [ 54.896287] [] ? __fget_light+0x158/0x1e0 [ 54.902054] [] ? __fdget+0x18/0x20 [ 54.907211] [] __sys_sendmsg+0xd6/0x190 [ 54.912814] [] ? SyS_shutdown+0x1b0/0x1b0 [ 54.918580] [] ? __do_page_fault+0x5ec/0xd40 [ 54.924607] [] ? __do_page_fault+0x3bd/0xd40 [ 54.930638] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 54.937912] [] SyS_sendmsg+0x2d/0x50 [ 54.943258] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 54.952769] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4091 [ 54.961556] caller is __this_cpu_preempt_check+0x1c/0x20 [ 54.966986] CPU: 0 PID: 4091 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 54.974666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.983997] ffff8801d37af478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 [ 54.991982] ffffffff83f454c0 ffff8801d3754800 0000000000000003 ffff8801d37af4b8 [ 54.999965] ffffffff81dfc0e4 ffff8801d37af4d0 ffffffff83f454c0 dffffc0000000000 [ 55.007926] Call Trace: [ 55.010486] [] dump_stack+0xc1/0x128 [ 55.015823] [] check_preemption_disabled+0x1d4/0x200 [ 55.022550] [] __this_cpu_preempt_check+0x1c/0x20 [ 55.029017] [] ipcomp_init_state+0x188/0x930 [ 55.035056] [] ? __lock_is_held+0xa1/0xf0 [ 55.040826] [] ipcomp6_init_state+0xb5/0x820 [ 55.046853] [] ? __xfrm_init_state+0x363/0xb30 [ 55.053093] [] __xfrm_init_state+0x3e7/0xb30 [ 55.059122] [] xfrm_add_sa+0x1916/0x2e40 [ 55.064801] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 55.071630] [] ? nla_parse+0x213/0x260 [ 55.077143] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 55.083952] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 55.089981] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 55.096011] [] netlink_rcv_skb+0x13e/0x370 [ 55.101865] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 55.107892] [] xfrm_netlink_rcv+0x6f/0x90 [ 55.113671] [] netlink_unicast+0x511/0x750 [ 55.119543] [] ? netlink_unicast+0x43c/0x750 [ 55.125585] [] ? netlink_attachskb+0x680/0x680 [ 55.131796] [] netlink_sendmsg+0x8e8/0xc50 [ 55.137658] [] ? netlink_unicast+0x750/0x750 [ 55.143697] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 55.150162] [] ? security_socket_sendmsg+0x89/0xb0 [ 55.156714] [] ? netlink_unicast+0x750/0x750 [ 55.162743] [] sock_sendmsg+0xca/0x110 [ 55.168251] [] ___sys_sendmsg+0x6d1/0x7e0 [ 55.174022] [] ? copy_msghdr_from_user+0x550/0x550 [ 55.180583] [] ? __lru_cache_add+0x187/0x250 [ 55.186629] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 55.193708] [] ? _raw_spin_unlock+0x2c/0x50 [ 55.199661] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 55.207630] [] ? handle_mm_fault+0x6ee/0x2530 [ 55.213762] [] ? __lock_is_held+0xa1/0xf0 [ 55.219530] [] ? __pmd_alloc+0x410/0x410 [ 55.225212] [] ? __fget_light+0x158/0x1e0 [ 55.230982] [] ? __fdget+0x18/0x20 [ 55.236145] [] __sys_sendmsg+0xd6/0x190 executing program executing program executing program executing program executing program [ 55.241742] [] ? SyS_shutdown+0x1b0/0x1b0 [ 55.247512] [] ? __do_page_fault+0x5ec/0xd40 [ 55.253541] [] ? __do_page_fault+0x3bd/0xd40 [ 55.259615] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 55.259626] [] SyS_sendmsg+0x2d/0x50 [ 55.259633] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 55.271942] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller537438/4094 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.271956] caller is __this_cpu_preempt_check+0x1c/0x20 [ 55.271963] CPU: 0 PID: 4094 Comm: syzkaller537438 Not tainted 4.9.79-g47af77b #26 [ 55.271966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.271977] ffff8801d8847478 ffffffff81d94b09 0000000000000000 ffffffff83c18800 [ 55.271985] ffffffff83f454c0 ffff8801d37a8000 0000000000000003 ffff8801d88474b8 [ 55.271990] ffffffff81dfc0e4 ffff8801d88474d0 ffffffff83f454c0 dffffc0000000000 [ 55.271992] Call Trace: [ 55.272000] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.272007] [] check_preemption_disabled+0x1d4/0x200 [ 55.272012] [] __this_cpu_preempt_check+0x1c/0x20 [ 55.272021] [] ipcomp_init_state+0x188/0x930 [ 55.272029] [