[....] Starting enhanced syslogd: rsyslogd[ 10.558719] audit: type=1400 audit(1517094530.778:4): avc: denied { syslog } for pid=3192 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.229' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 21.363109] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 21.364367] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.365117] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 21.366174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.367414] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 21.368576] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 21.369741] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 21.370935] Call Trace: [ 21.371296] [] dump_stack+0xc1/0x128 [ 21.372009] [] check_preemption_disabled+0x1d4/0x200 [ 21.372911] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.373771] [] ipcomp_init_state+0x188/0x930 [ 21.374573] [] ? __lock_is_held+0xa1/0xf0 [ 21.375342] [] ipcomp6_init_state+0xb5/0x820 [ 21.376173] [] ? __xfrm_init_state+0x363/0xb30 [ 21.376996] [] __xfrm_init_state+0x3e7/0xb30 [ 21.377819] [] xfrm_add_sa+0x1916/0x2e40 [ 21.378604] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.379559] [] ? nla_parse+0x213/0x260 [ 21.380309] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.381268] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.382088] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.382889] [] netlink_rcv_skb+0x13e/0x370 [ 21.383678] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.389713] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.395498] [] netlink_unicast+0x511/0x750 [ 21.401379] [] ? netlink_unicast+0x43c/0x750 [ 21.407420] [] ? netlink_attachskb+0x680/0x680 [ 21.413629] [] netlink_sendmsg+0x8e8/0xc50 [ 21.419493] [] ? netlink_unicast+0x750/0x750 [ 21.425522] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.431986] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.438536] [] ? netlink_unicast+0x750/0x750 [ 21.444582] [] sock_sendmsg+0xca/0x110 [ 21.450094] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.455862] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.462420] [] ? __lru_cache_add+0x187/0x250 [ 21.468448] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.475519] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.481461] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.488539] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.494653] [] ? __lock_is_held+0xa1/0xf0 [ 21.500428] [] ? __pmd_alloc+0x410/0x410 [ 21.506109] [] ? __fget_light+0x158/0x1e0 executing program [ 21.511874] [] ? __fdget+0x18/0x20 [ 21.517039] [] __sys_sendmsg+0xd6/0x190 [ 21.522630] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.528396] [] ? __do_page_fault+0x5ec/0xd40 [ 21.534423] [] ? __do_page_fault+0x3bd/0xd40 [ 21.540462] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.547270] [] SyS_sendmsg+0x2d/0x50 [ 21.552606] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.560690] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 21.569488] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.574913] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 21.582600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.591938] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 21.599909] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 21.607908] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 21.615915] Call Trace: [ 21.618489] [] dump_stack+0xc1/0x128 [ 21.623839] [] check_preemption_disabled+0x1d4/0x200 [ 21.630577] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.637042] [] ipcomp_init_state+0x188/0x930 [ 21.643070] [] ? __lock_is_held+0xa1/0xf0 [ 21.648836] [] ipcomp6_init_state+0xb5/0x820 [ 21.654866] [] ? __xfrm_init_state+0x363/0xb30 [ 21.661064] [] __xfrm_init_state+0x3e7/0xb30 [ 21.667093] [] xfrm_add_sa+0x1916/0x2e40 [ 21.672777] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.679587] [] ? nla_parse+0x213/0x260 [ 21.685104] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 21.691951] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 21.697999] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.704038] [] netlink_rcv_skb+0x13e/0x370 [ 21.709897] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 21.715936] [] xfrm_netlink_rcv+0x6f/0x90 [ 21.721716] [] netlink_unicast+0x511/0x750 [ 21.727574] [] ? netlink_unicast+0x43c/0x750 [ 21.733609] [] ? netlink_attachskb+0x680/0x680 [ 21.739828] [] netlink_sendmsg+0x8e8/0xc50 [ 21.745682] [] ? netlink_unicast+0x750/0x750 [ 21.751728] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 21.758191] [] ? security_socket_sendmsg+0x89/0xb0 [ 21.764738] [] ? netlink_unicast+0x750/0x750 [ 21.770772] [] sock_sendmsg+0xca/0x110 [ 21.776291] [] ___sys_sendmsg+0x6d1/0x7e0 [ 21.782062] [] ? copy_msghdr_from_user+0x550/0x550 [ 21.788618] [] ? __lru_cache_add+0x187/0x250 [ 21.794665] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 21.801751] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.807702] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 21.814786] [] ? handle_mm_fault+0x6ee/0x2530 [ 21.820905] [] ? __lock_is_held+0xa1/0xf0 [ 21.826679] [] ? __pmd_alloc+0x410/0x410 [ 21.832366] [] ? __fget_light+0x158/0x1e0 [ 21.838161] [] ? __fdget+0x18/0x20 [ 21.843341] [] __sys_sendmsg+0xd6/0x190 [ 21.848940] [] ? SyS_shutdown+0x1b0/0x1b0 [ 21.854707] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 21.860734] [] ? __do_page_fault+0x3bd/0xd40 [ 21.866764] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 21.873580] [] SyS_sendmsg+0x2d/0x50 [ 21.878914] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 21.887247] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 21.896126] caller is __this_cpu_preempt_check+0x1c/0x20 [ 21.901554] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 21.909236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.918563] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 21.926535] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 21.934504] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 21.942491] Call Trace: [ 21.945050] [] dump_stack+0xc1/0x128 [ 21.950388] [] check_preemption_disabled+0x1d4/0x200 [ 21.957108] [] __this_cpu_preempt_check+0x1c/0x20 [ 21.963576] [] ipcomp_init_state+0x188/0x930 [ 21.969616] [] ? __lock_is_held+0xa1/0xf0 [ 21.975386] [] ipcomp6_init_state+0xb5/0x820 [ 21.981415] [] ? __xfrm_init_state+0x363/0xb30 [ 21.987615] [] __xfrm_init_state+0x3e7/0xb30 [ 21.993652] [] xfrm_add_sa+0x1916/0x2e40 [ 21.999344] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.006576] [] ? nla_parse+0x213/0x260 [ 22.012087] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.018900] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 22.024935] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.030985] [] netlink_rcv_skb+0x13e/0x370 [ 22.036848] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.042890] [] xfrm_netlink_rcv+0x6f/0x90 [ 22.048660] [] netlink_unicast+0x511/0x750 [ 22.054512] [] ? netlink_unicast+0x43c/0x750 [ 22.060537] [] ? netlink_attachskb+0x680/0x680 [ 22.066737] [] netlink_sendmsg+0x8e8/0xc50 [ 22.072590] [] ? netlink_unicast+0x750/0x750 [ 22.078618] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 22.085094] [] ? security_socket_sendmsg+0x89/0xb0 [ 22.091652] [] ? netlink_unicast+0x750/0x750 [ 22.097691] [] sock_sendmsg+0xca/0x110 [ 22.103201] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.108975] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.115528] [] ? __lru_cache_add+0x187/0x250 [ 22.121564] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 22.128654] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.134621] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 22.141709] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.147830] [] ? __lock_is_held+0xa1/0xf0 [ 22.153604] [] ? __pmd_alloc+0x410/0x410 [ 22.159306] [] ? __fget_light+0x158/0x1e0 executing program [ 22.165083] [] ? __fdget+0x18/0x20 [ 22.170252] [] __sys_sendmsg+0xd6/0x190 [ 22.175939] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.181708] [] ? __do_page_fault+0x5ec/0xd40 [ 22.187747] [] ? __do_page_fault+0x3bd/0xd40 [ 22.193798] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.200621] [] SyS_sendmsg+0x2d/0x50 [ 22.205955] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 22.214175] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 22.222870] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.228330] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 22.236015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.245346] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 22.253343] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 22.261309] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 22.269321] Call Trace: [ 22.271893] [] dump_stack+0xc1/0x128 [ 22.277237] [] check_preemption_disabled+0x1d4/0x200 [ 22.283974] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.290439] [] ipcomp_init_state+0x188/0x930 [ 22.296474] [] ? __lock_is_held+0xa1/0xf0 [ 22.302241] [] ipcomp6_init_state+0xb5/0x820 [ 22.308268] [] ? __xfrm_init_state+0x363/0xb30 [ 22.314473] [] __xfrm_init_state+0x3e7/0xb30 [ 22.320506] [] xfrm_add_sa+0x1916/0x2e40 [ 22.326184] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.332994] [] ? nla_parse+0x213/0x260 [ 22.338506] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.345312] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 22.351337] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.357379] [] netlink_rcv_skb+0x13e/0x370 [ 22.363240] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.369269] [] xfrm_netlink_rcv+0x6f/0x90 [ 22.375037] [] netlink_unicast+0x511/0x750 [ 22.380900] [] ? netlink_unicast+0x43c/0x750 [ 22.386930] [] ? netlink_attachskb+0x680/0x680 [ 22.393133] [] netlink_sendmsg+0x8e8/0xc50 [ 22.398993] [] ? netlink_unicast+0x750/0x750 [ 22.405027] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 22.411493] [] ? security_socket_sendmsg+0x89/0xb0 [ 22.418046] [] ? netlink_unicast+0x750/0x750 [ 22.424075] [] sock_sendmsg+0xca/0x110 [ 22.429581] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.435348] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.441896] [] ? __lru_cache_add+0x187/0x250 [ 22.447926] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 22.454994] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.460945] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 22.468020] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.474137] [] ? __lock_is_held+0xa1/0xf0 [ 22.479903] [] ? __pmd_alloc+0x410/0x410 [ 22.485584] [] ? __fget_light+0x158/0x1e0 [ 22.491352] [] ? __fdget+0x18/0x20 [ 22.496509] [] __sys_sendmsg+0xd6/0x190 [ 22.502099] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.507866] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 22.513892] [] ? __do_page_fault+0x3bd/0xd40 [ 22.519926] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.526744] [] SyS_sendmsg+0x2d/0x50 [ 22.532080] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 22.540438] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 22.549128] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.554561] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 22.562235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.571559] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 22.579539] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 22.587508] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 22.595475] Call Trace: [ 22.598036] [] dump_stack+0xc1/0x128 [ 22.603370] [] check_preemption_disabled+0x1d4/0x200 [ 22.610100] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.616570] [] ipcomp_init_state+0x188/0x930 [ 22.622596] [] ? __lock_is_held+0xa1/0xf0 [ 22.628371] [] ipcomp6_init_state+0xb5/0x820 [ 22.634397] [] ? __xfrm_init_state+0x363/0xb30 [ 22.640602] [] __xfrm_init_state+0x3e7/0xb30 [ 22.646643] [] xfrm_add_sa+0x1916/0x2e40 [ 22.652332] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.659146] [] ? nla_parse+0x213/0x260 [ 22.664661] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.671485] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 22.677515] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.683543] [] netlink_rcv_skb+0x13e/0x370 [ 22.689395] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 22.695420] [] xfrm_netlink_rcv+0x6f/0x90 [ 22.701194] [] netlink_unicast+0x511/0x750 [ 22.707046] [] ? netlink_unicast+0x43c/0x750 [ 22.713072] [] ? netlink_attachskb+0x680/0x680 [ 22.719272] [] netlink_sendmsg+0x8e8/0xc50 [ 22.725122] [] ? netlink_unicast+0x750/0x750 [ 22.731149] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 22.737616] [] ? security_socket_sendmsg+0x89/0xb0 [ 22.744172] [] ? netlink_unicast+0x750/0x750 [ 22.750200] [] sock_sendmsg+0xca/0x110 [ 22.755706] [] ___sys_sendmsg+0x6d1/0x7e0 [ 22.761490] [] ? copy_msghdr_from_user+0x550/0x550 [ 22.768050] [] ? __lru_cache_add+0x187/0x250 [ 22.774087] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 22.781162] [] ? _raw_spin_unlock+0x2c/0x50 [ 22.787114] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 22.794194] [] ? handle_mm_fault+0x6ee/0x2530 [ 22.800320] [] ? __lock_is_held+0xa1/0xf0 [ 22.806099] [] ? __pmd_alloc+0x410/0x410 [ 22.811780] [] ? __fget_light+0x158/0x1e0 executing program [ 22.817562] [] ? __fdget+0x18/0x20 [ 22.822736] [] __sys_sendmsg+0xd6/0x190 [ 22.828333] [] ? SyS_shutdown+0x1b0/0x1b0 [ 22.834111] [] ? __do_page_fault+0x5ec/0xd40 [ 22.840143] [] ? __do_page_fault+0x3bd/0xd40 [ 22.846171] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 22.852980] [] SyS_sendmsg+0x2d/0x50 [ 22.858337] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 22.866594] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 22.875254] caller is __this_cpu_preempt_check+0x1c/0x20 [ 22.880730] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 22.888413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.897745] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 22.905719] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 22.913690] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 22.921668] Call Trace: [ 22.924225] [] dump_stack+0xc1/0x128 [ 22.929564] [] check_preemption_disabled+0x1d4/0x200 [ 22.936288] [] __this_cpu_preempt_check+0x1c/0x20 [ 22.942749] [] ipcomp_init_state+0x188/0x930 [ 22.948781] [] ? __lock_is_held+0xa1/0xf0 [ 22.954549] [] ipcomp6_init_state+0xb5/0x820 [ 22.960575] [] ? __xfrm_init_state+0x363/0xb30 [ 22.966782] [] __xfrm_init_state+0x3e7/0xb30 [ 22.972818] [] xfrm_add_sa+0x1916/0x2e40 [ 22.978501] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.985316] [] ? nla_parse+0x213/0x260 [ 22.990826] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 22.997648] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 23.003696] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.009742] [] netlink_rcv_skb+0x13e/0x370 [ 23.015609] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.021645] [] xfrm_netlink_rcv+0x6f/0x90 [ 23.027416] [] netlink_unicast+0x511/0x750 [ 23.033294] [] ? netlink_unicast+0x43c/0x750 [ 23.039326] [] ? netlink_attachskb+0x680/0x680 [ 23.045548] [] netlink_sendmsg+0x8e8/0xc50 [ 23.051410] [] ? netlink_unicast+0x750/0x750 [ 23.057439] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 23.063903] [] ? security_socket_sendmsg+0x89/0xb0 [ 23.070451] [] ? netlink_unicast+0x750/0x750 [ 23.076484] [] sock_sendmsg+0xca/0x110 [ 23.082008] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.087792] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.094360] [] ? __lru_cache_add+0x187/0x250 [ 23.100399] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 23.107468] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.113408] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 23.120822] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.126943] [] ? __lock_is_held+0xa1/0xf0 [ 23.132707] [] ? __pmd_alloc+0x410/0x410 [ 23.138393] [] ? __fget_light+0x158/0x1e0 [ 23.144164] [] ? __fdget+0x18/0x20 [ 23.149333] [] __sys_sendmsg+0xd6/0x190 [ 23.155721] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.161495] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 23.167531] [] ? __do_page_fault+0x3bd/0xd40 [ 23.173574] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.180386] [] SyS_sendmsg+0x2d/0x50 [ 23.185717] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 23.194341] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 23.203032] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.208484] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 23.216170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.225505] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 23.233493] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 23.241489] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 23.249469] Call Trace: [ 23.252037] [] dump_stack+0xc1/0x128 [ 23.257388] [] check_preemption_disabled+0x1d4/0x200 [ 23.264129] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.270601] [] ipcomp_init_state+0x188/0x930 [ 23.276634] [] ? __lock_is_held+0xa1/0xf0 [ 23.282399] [] ipcomp6_init_state+0xb5/0x820 [ 23.288427] [] ? __xfrm_init_state+0x363/0xb30 [ 23.294626] [] __xfrm_init_state+0x3e7/0xb30 [ 23.300652] [] xfrm_add_sa+0x1916/0x2e40 [ 23.306336] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.313145] [] ? nla_parse+0x213/0x260 [ 23.318651] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.325468] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 23.331496] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.337535] [] netlink_rcv_skb+0x13e/0x370 [ 23.343512] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.349549] [] xfrm_netlink_rcv+0x6f/0x90 [ 23.355317] [] netlink_unicast+0x511/0x750 [ 23.361170] [] ? netlink_unicast+0x43c/0x750 [ 23.367196] [] ? netlink_attachskb+0x680/0x680 [ 23.373393] [] netlink_sendmsg+0x8e8/0xc50 [ 23.379246] [] ? netlink_unicast+0x750/0x750 [ 23.385293] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 23.391771] [] ? security_socket_sendmsg+0x89/0xb0 [ 23.398340] [] ? netlink_unicast+0x750/0x750 [ 23.404393] [] sock_sendmsg+0xca/0x110 [ 23.409923] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.415694] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.422243] [] ? __lru_cache_add+0x187/0x250 [ 23.428272] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 23.435350] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.441296] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 23.448374] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.454515] [] ? __lock_is_held+0xa1/0xf0 [ 23.460291] [] ? __pmd_alloc+0x410/0x410 [ 23.465979] [] ? __fget_light+0x158/0x1e0 executing program [ 23.471751] [] ? __fdget+0x18/0x20 [ 23.476908] [] __sys_sendmsg+0xd6/0x190 [ 23.482507] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.488285] [] ? __do_page_fault+0x5ec/0xd40 [ 23.494315] [] ? __do_page_fault+0x3bd/0xd40 [ 23.500348] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.507154] [] SyS_sendmsg+0x2d/0x50 [ 23.512492] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 23.520801] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 23.529490] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.534920] CPU: 1 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 23.542600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.551939] ffff8801beacf478 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 23.559908] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 23.567889] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 23.575860] Call Trace: [ 23.578440] [] dump_stack+0xc1/0x128 [ 23.583782] [] check_preemption_disabled+0x1d4/0x200 [ 23.590503] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.596968] [] ipcomp_init_state+0x188/0x930 [ 23.603007] [] ? __lock_is_held+0xa1/0xf0 [ 23.608784] [] ipcomp6_init_state+0xb5/0x820 [ 23.614820] [] ? __xfrm_init_state+0x363/0xb30 [ 23.621024] [] __xfrm_init_state+0x3e7/0xb30 [ 23.627060] [] xfrm_add_sa+0x1916/0x2e40 [ 23.632739] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.639547] [] ? nla_parse+0x213/0x260 [ 23.645069] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.651876] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 23.657910] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.663939] [] netlink_rcv_skb+0x13e/0x370 [ 23.669790] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.675820] [] xfrm_netlink_rcv+0x6f/0x90 [ 23.681592] [] netlink_unicast+0x511/0x750 [ 23.687445] [] ? netlink_unicast+0x43c/0x750 [ 23.693480] [] ? netlink_attachskb+0x680/0x680 [ 23.699686] [] netlink_sendmsg+0x8e8/0xc50 [ 23.705552] [] ? netlink_unicast+0x750/0x750 [ 23.711579] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 23.718048] [] ? security_socket_sendmsg+0x89/0xb0 [ 23.724601] [] ? netlink_unicast+0x750/0x750 [ 23.730639] [] sock_sendmsg+0xca/0x110 [ 23.736147] [] ___sys_sendmsg+0x6d1/0x7e0 [ 23.741921] [] ? copy_msghdr_from_user+0x550/0x550 [ 23.748477] [] ? __lru_cache_add+0x187/0x250 [ 23.754515] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 23.761589] [] ? _raw_spin_unlock+0x2c/0x50 [ 23.767535] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 23.774603] [] ? handle_mm_fault+0x6ee/0x2530 [ 23.780721] [] ? __lock_is_held+0xa1/0xf0 [ 23.786486] [] ? __pmd_alloc+0x410/0x410 [ 23.792176] [] ? __fget_light+0x158/0x1e0 [ 23.797951] [] ? __fdget+0x18/0x20 [ 23.803120] [] __sys_sendmsg+0xd6/0x190 [ 23.808724] [] ? SyS_shutdown+0x1b0/0x1b0 [ 23.814503] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 23.820532] [] ? __do_page_fault+0x3bd/0xd40 [ 23.826559] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 23.833373] [] SyS_sendmsg+0x2d/0x50 [ 23.838712] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 23.847722] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 23.856404] caller is __this_cpu_preempt_check+0x1c/0x20 [ 23.861823] CPU: 0 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 23.869495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.878816] ffff8801beacf478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 23.886778] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 23.894745] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 23.902703] Call Trace: [ 23.905262] [] dump_stack+0xc1/0x128 [ 23.910594] [] check_preemption_disabled+0x1d4/0x200 [ 23.917316] [] __this_cpu_preempt_check+0x1c/0x20 [ 23.923779] [] ipcomp_init_state+0x188/0x930 [ 23.929805] [] ? __lock_is_held+0xa1/0xf0 [ 23.935567] [] ipcomp6_init_state+0xb5/0x820 [ 23.941592] [] ? __xfrm_init_state+0x363/0xb30 [ 23.947792] [] __xfrm_init_state+0x3e7/0xb30 [ 23.953817] [] xfrm_add_sa+0x1916/0x2e40 [ 23.959498] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.966315] [] ? nla_parse+0x213/0x260 [ 23.971820] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 23.978626] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 23.984658] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 23.990684] [] netlink_rcv_skb+0x13e/0x370 [ 23.996538] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 24.002577] [] xfrm_netlink_rcv+0x6f/0x90 [ 24.008347] [] netlink_unicast+0x511/0x750 [ 24.014199] [] ? netlink_unicast+0x43c/0x750 [ 24.020231] [] ? netlink_attachskb+0x680/0x680 [ 24.026430] [] netlink_sendmsg+0x8e8/0xc50 [ 24.032280] [] ? netlink_unicast+0x750/0x750 [ 24.038313] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 24.044775] [] ? security_socket_sendmsg+0x89/0xb0 [ 24.051321] [] ? netlink_unicast+0x750/0x750 [ 24.057354] [] sock_sendmsg+0xca/0x110 [ 24.062859] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.068622] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.075187] [] ? __lru_cache_add+0x187/0x250 [ 24.081654] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.088722] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.094669] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.101737] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.107851] [] ? __lock_is_held+0xa1/0xf0 [ 24.113615] [] ? __pmd_alloc+0x410/0x410 [ 24.119306] [] ? __fget_light+0x158/0x1e0 executing program [ 24.125075] [] ? __fdget+0x18/0x20 [ 24.130231] [] __sys_sendmsg+0xd6/0x190 [ 24.135821] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.141586] [] ? __do_page_fault+0x5ec/0xd40 [ 24.147612] [] ? __do_page_fault+0x3bd/0xd40 [ 24.153647] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.160460] [] SyS_sendmsg+0x2d/0x50 [ 24.165800] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 24.174392] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller444032/3353 [ 24.183074] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.188529] CPU: 0 PID: 3353 Comm: syzkaller444032 Not tainted 4.9.78-g68d447c #23 [ 24.196219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.205541] ffff8801beacf478 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 24.213507] ffffffff83f45480 ffff8801ca94e000 0000000000000003 ffff8801beacf4b8 [ 24.221471] ffffffff81dfb974 ffff8801beacf4d0 ffffffff83f45480 dffffc0000000000 [ 24.229425] Call Trace: [ 24.231984] [] dump_stack+0xc1/0x128 [ 24.237317] [] check_preemption_disabled+0x1d4/0x200 [ 24.244036] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.250493] [] ipcomp_init_state+0x188/0x930 [ 24.256519] [] ? __lock_is_held+0xa1/0xf0 [ 24.262285] [] ipcomp6_init_state+0xb5/0x820 [ 24.268309] [] ? __xfrm_init_state+0x363/0xb30 [ 24.274507] [] __xfrm_init_state+0x3e7/0xb30 [ 24.280533] [] xfrm_add_sa+0x1916/0x2e40 [ 24.286213] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 24.293031] [] ? nla_parse+0x213/0x260 [ 24.298536] [] ? xfrm_send_state_notify+0x17d0/0x17d0 [ 24.305342] [] xfrm_user_rcv_msg+0x413/0x6a0 [ 24.311368] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 24.317393] [] netlink_rcv_skb+0x13e/0x370 [ 24.323244] [] ? xfrm_dump_sa_done+0xe0/0xe0 [ 24.329276] [] xfrm_netlink_rcv+0x6f/0x90 [ 24.335040] [] netlink_unicast+0x511/0x750 [ 24.340897] [] ? netlink_unicast+0x43c/0x750 [ 24.346922] [] ? netlink_attachskb+0x680/0x680 [ 24.353120] [] netlink_sendmsg+0x8e8/0xc50 [ 24.358977] [] ? netlink_unicast+0x750/0x750 [ 24.365009] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 24.371472] [] ? security_socket_sendmsg+0x89/0xb0 [ 24.378033] [] ? netlink_unicast+0x750/0x750 [ 24.384067] [] sock_sendmsg+0xca/0x110 [ 24.389574] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.395341] [] ? copy_msghdr_from_user+0x550/0x550 [ 24.401894] [] ? __lru_cache_add+0x187/0x250 [ 24.407927] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 24.414994] [] ? _raw_spin_unlock+0x2c/0x50 [ 24.420938] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 24.428004] [] ? handle_mm_fault+0x6ee/0x2530 [ 24.434117] [] ? __lock_is_held+0xa1/0xf0 [ 24.439881] [] ? __pmd_alloc+0x410/0x410 [ 24.445558] [] ? __fget_light+0x158/0x1e0 [ 24.451322] [] ? __fdget+0x18/0x20 [ 24.456477] [] __sys_sendmsg+0xd6/0x190 [ 24.462066] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.467831] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.473855] [] ? __do_page_fault+0x3bd/0xd40 [ 24.479878] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.486684] [] SyS_sendmsg+0x2d/0x50 [ 24.492016] [] 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 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.350142] random: crng init done executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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