[....] Starting enhanced syslogd: rsyslogd[ 16.137424] audit: type=1400 audit(1519564445.525:4): avc: denied { syslog } for pid=3647 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 '10.128.0.34' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 26.297440] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.306331] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.311787] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.319476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.328804] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.336775] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.344741] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.352708] Call Trace: [ 26.355267] [] dump_stack+0xc1/0x128 [ 26.360605] [] check_preemption_disabled+0x1d4/0x200 [ 26.367327] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.373790] [] ipcomp_init_state+0x188/0x930 [ 26.379817] [] ? __lock_is_held+0xa1/0xf0 [ 26.385582] [] ipcomp6_init_state+0xb5/0x820 [ 26.391613] [] ? __xfrm_init_state+0x363/0xb30 [ 26.397818] [] __xfrm_init_state+0x3e7/0xb30 [ 26.403847] [] xfrm_init_state+0x1a/0x20 [ 26.409527] [] pfkey_add+0x1fb9/0x3470 [ 26.415034] [] ? pfkey_delete+0x360/0x360 [ 26.420802] [] ? pfkey_seq_stop+0x80/0x80 [ 26.426570] [] ? __skb_clone+0x24a/0x7d0 [ 26.432247] [] ? pfkey_delete+0x360/0x360 [ 26.438011] [] pfkey_process+0x68b/0x750 [ 26.443690] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.450499] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.457309] [] pfkey_sendmsg+0x3a9/0x760 [ 26.462991] [] ? pfkey_spdget+0x820/0x820 [ 26.468759] [] sock_sendmsg+0xca/0x110 [ 26.474264] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.480031] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.486586] [] ? check_preemption_disabled+0x3b/0x200 [ 26.493396] [] ? check_preemption_disabled+0x3b/0x200 [ 26.500208] [] ? debug_mutex_init+0x1c/0x60 [ 26.506163] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.512973] [] ? __lock_is_held+0xa1/0xf0 [ 26.518740] [] ? check_preemption_disabled+0x3b/0x200 [ 26.525554] [] ? __fd_install+0x223/0x5f0 [ 26.531320] [] ? __fget_light+0x169/0x1f0 [ 26.537083] [] ? __fdget+0x18/0x20 [ 26.542243] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 26.548619] [] __sys_sendmsg+0xd6/0x190 [ 26.554211] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.559979] [] ? fd_install+0x4d/0x60 [ 26.565397] [] ? move_addr_to_kernel+0x50/0x50 [ 26.571597] [] SyS_sendmsg+0x2d/0x50 [ 26.576929] [] ? __sys_sendmsg+0x190/0x190 [ 26.582790] [] do_syscall_64+0x1a4/0x490 [ 26.588479] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.596550] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.605312] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.610755] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.618436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.627758] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.635731] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.643718] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.651680] Call Trace: [ 26.654238] [] dump_stack+0xc1/0x128 [ 26.659570] [] check_preemption_disabled+0x1d4/0x200 [ 26.666292] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.672757] [] ipcomp_init_state+0x188/0x930 [ 26.678793] [] ? __lock_is_held+0xa1/0xf0 [ 26.684559] [] ipcomp6_init_state+0xb5/0x820 [ 26.690584] [] ? __xfrm_init_state+0x363/0xb30 [ 26.696783] [] __xfrm_init_state+0x3e7/0xb30 [ 26.702809] [] xfrm_init_state+0x1a/0x20 [ 26.708499] [] pfkey_add+0x1fb9/0x3470 [ 26.714005] [] ? pfkey_delete+0x360/0x360 [ 26.719777] [] ? pfkey_seq_stop+0x80/0x80 [ 26.725542] [] ? __skb_clone+0x24a/0x7d0 [ 26.731221] [] ? pfkey_delete+0x360/0x360 [ 26.736985] [] pfkey_process+0x68b/0x750 [ 26.742665] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.749474] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.756282] [] pfkey_sendmsg+0x3a9/0x760 [ 26.761959] [] ? pfkey_spdget+0x820/0x820 [ 26.767726] [] sock_sendmsg+0xca/0x110 [ 26.773231] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.778997] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.785546] [] ? check_preemption_disabled+0x3b/0x200 [ 26.792354] [] ? check_preemption_disabled+0x3b/0x200 executing program [ 26.799162] [] ? debug_mutex_init+0x1c/0x60 [ 26.805100] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.811909] [] ? __lock_is_held+0xa1/0xf0 [ 26.817674] [] ? check_preemption_disabled+0x3b/0x200 [ 26.824484] [] ? __fd_install+0x223/0x5f0 [ 26.830254] [] ? __fget_light+0x169/0x1f0 [ 26.836021] [] ? __fdget+0x18/0x20 [ 26.841191] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.847588] [] __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.847595] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.847603] [] ? fd_install+0x4d/0x60 [ 26.847610] [] ? move_addr_to_kernel+0x50/0x50 [ 26.847617] [] SyS_sendmsg+0x2d/0x50 [ 26.847622] [] ? __sys_sendmsg+0x190/0x190 [ 26.847629] [] do_syscall_64+0x1a4/0x490 [ 26.847638] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850293] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.850304] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.850311] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.850314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.850325] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.850334] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.850342] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850343] Call Trace: [ 26.850352] [] dump_stack+0xc1/0x128 [ 26.850360] [] check_preemption_disabled+0x1d4/0x200 [ 26.850367] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.850375] [] ipcomp_init_state+0x188/0x930 [ 26.850383] [] ? __lock_is_held+0xa1/0xf0 [ 26.850390] [] ipcomp6_init_state+0xb5/0x820 [ 26.850396] [] ? __xfrm_init_state+0x363/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850402] [] __xfrm_init_state+0x3e7/0xb30 [ 26.850408] [] xfrm_init_state+0x1a/0x20 [ 26.850415] [] pfkey_add+0x1fb9/0x3470 [ 26.850421] [] ? pfkey_delete+0x360/0x360 [ 26.850427] [] ? pfkey_seq_stop+0x80/0x80 [ 26.850434] [] ? __skb_clone+0x24a/0x7d0 [ 26.850443] [] ? pfkey_delete+0x360/0x360 [ 26.850449] [] pfkey_process+0x68b/0x750 [ 26.850456] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850463] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.850470] [] pfkey_sendmsg+0x3a9/0x760 [ 26.850476] [] ? pfkey_spdget+0x820/0x820 [ 26.850483] [] sock_sendmsg+0xca/0x110 [ 26.850489] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.850495] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.850502] [] ? check_preemption_disabled+0x3b/0x200 [ 26.850509] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850516] [] ? debug_mutex_init+0x1c/0x60 [ 26.850524] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.850531] [] ? __lock_is_held+0xa1/0xf0 [ 26.850538] [] ? check_preemption_disabled+0x3b/0x200 [ 26.850545] [] ? __fd_install+0x223/0x5f0 [ 26.850551] [] ? __fget_light+0x169/0x1f0 [ 26.850556] [] ? __fdget+0x18/0x20 [ 26.850563] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.850569] [] __sys_sendmsg+0xd6/0x190 [ 26.850575] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.850581] [] ? fd_install+0x4d/0x60 [ 26.850587] [] ? move_addr_to_kernel+0x50/0x50 [ 26.850593] [] SyS_sendmsg+0x2d/0x50 [ 26.850599] [] ? __sys_sendmsg+0x190/0x190 [ 26.850606] [] do_syscall_64+0x1a4/0x490 [ 26.850613] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.851857] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.851865] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.851871] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.851875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.851884] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.851893] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.851901] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.851902] Call Trace: [ 26.851910] [] dump_stack+0xc1/0x128 [ 26.851917] [] check_preemption_disabled+0x1d4/0x200 [ 26.851924] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.851931] [] ipcomp_init_state+0x188/0x930 [ 26.851939] [] ? __lock_is_held+0xa1/0xf0 [ 26.851945] [] ipcomp6_init_state+0xb5/0x820 [ 26.851951] [] ? __xfrm_init_state+0x363/0xb30 [ 26.851957] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.851963] [] xfrm_init_state+0x1a/0x20 [ 26.851969] [] pfkey_add+0x1fb9/0x3470 [ 26.851976] [] ? pfkey_delete+0x360/0x360 [ 26.851981] [] ? pfkey_seq_stop+0x80/0x80 [ 26.851988] [] ? __skb_clone+0x24a/0x7d0 [ 26.851994] [] ? pfkey_delete+0x360/0x360 [ 26.852000] [] pfkey_process+0x68b/0x750 [ 26.852006] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852014] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.852021] [] pfkey_sendmsg+0x3a9/0x760 [ 26.852027] [] ? pfkey_spdget+0x820/0x820 [ 26.852033] [] sock_sendmsg+0xca/0x110 [ 26.852039] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.852045] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.852052] [] ? check_preemption_disabled+0x3b/0x200 [ 26.852059] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852066] [] ? debug_mutex_init+0x1c/0x60 [ 26.852073] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.852080] [] ? __lock_is_held+0xa1/0xf0 [ 26.852088] [] ? check_preemption_disabled+0x3b/0x200 [ 26.852094] [] ? __fd_install+0x223/0x5f0 [ 26.852100] [] ? __fget_light+0x169/0x1f0 [ 26.852105] [] ? __fdget+0x18/0x20 [ 26.852112] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852118] [] __sys_sendmsg+0xd6/0x190 [ 26.852130] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.852136] [] ? fd_install+0x4d/0x60 [ 26.852143] [] ? move_addr_to_kernel+0x50/0x50 [ 26.852149] [] SyS_sendmsg+0x2d/0x50 [ 26.852154] [] ? __sys_sendmsg+0x190/0x190 [ 26.852160] [] do_syscall_64+0x1a4/0x490 [ 26.852167] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852572] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.852579] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.852584] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.852587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.852597] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.852606] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.852614] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.852615] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852621] [] dump_stack+0xc1/0x128 [ 26.852629] [] check_preemption_disabled+0x1d4/0x200 [ 26.852636] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.852642] [] ipcomp_init_state+0x188/0x930 [ 26.852649] [] ? __lock_is_held+0xa1/0xf0 [ 26.852655] [] ipcomp6_init_state+0xb5/0x820 [ 26.852661] [] ? __xfrm_init_state+0x363/0xb30 [ 26.852667] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852673] [] xfrm_init_state+0x1a/0x20 [ 26.852679] [] pfkey_add+0x1fb9/0x3470 [ 26.852685] [] ? pfkey_delete+0x360/0x360 [ 26.852691] [] ? pfkey_seq_stop+0x80/0x80 [ 26.852698] [] ? __skb_clone+0x24a/0x7d0 [ 26.852704] [] ? pfkey_delete+0x360/0x360 [ 26.852710] [] pfkey_process+0x68b/0x750 [ 26.852716] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852724] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.852731] [] pfkey_sendmsg+0x3a9/0x760 [ 26.852736] [] ? pfkey_spdget+0x820/0x820 [ 26.852743] [] sock_sendmsg+0xca/0x110 [ 26.852748] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.852754] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.852762] [] ? check_preemption_disabled+0x3b/0x200 [ 26.852769] [] ? check_preemption_disabled+0x3b/0x200 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852776] [] ? debug_mutex_init+0x1c/0x60 [ 26.852783] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.852790] [] ? __lock_is_held+0xa1/0xf0 [ 26.852798] [] ? check_preemption_disabled+0x3b/0x200 [ 26.852804] [] ? __fd_install+0x223/0x5f0 [ 26.852810] [] ? __fget_light+0x169/0x1f0 [ 26.852815] [] ? __fdget+0x18/0x20 [ 26.852822] [] ? sockfd_lookup_light+0x118/0x160 [ 26.852828] [] __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.852834] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.852840] [] ? fd_install+0x4d/0x60 [ 26.852846] [] ? move_addr_to_kernel+0x50/0x50 [ 26.852852] [] SyS_sendmsg+0x2d/0x50 [ 26.852858] [] ? __sys_sendmsg+0x190/0x190 [ 26.852864] [] do_syscall_64+0x1a4/0x490 [ 26.852870] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.853286] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.853292] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.853298] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.853302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.853311] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.853319] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.853328] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.853329] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.853336] [] dump_stack+0xc1/0x128 [ 26.853343] [] check_preemption_disabled+0x1d4/0x200 [ 26.853350] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.853357] [] ipcomp_init_state+0x188/0x930 [ 26.853364] [] ? __lock_is_held+0xa1/0xf0 [ 26.853370] [] ipcomp6_init_state+0xb5/0x820 [ 26.853376] [] ? __xfrm_init_state+0x363/0xb30 [ 26.853381] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.853387] [] xfrm_init_state+0x1a/0x20 [ 26.853393] [] pfkey_add+0x1fb9/0x3470 [ 26.853400] [] ? pfkey_delete+0x360/0x360 [ 26.853406] [] ? pfkey_seq_stop+0x80/0x80 [ 26.853412] [] ? __skb_clone+0x24a/0x7d0 [ 26.853418] [] ? pfkey_delete+0x360/0x360 [ 26.853424] [] pfkey_process+0x68b/0x750 [ 26.853430] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.853438] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 26.853445] [] pfkey_sendmsg+0x3a9/0x760 [ 26.853451] [] ? pfkey_spdget+0x820/0x820 [ 26.853458] [] sock_sendmsg+0xca/0x110 [ 26.853463] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.853469] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.853477] [] ? check_preemption_disabled+0x3b/0x200 [ 26.853484] [] ? check_preemption_disabled+0x3b/0x200 [ 26.853491] [] ? debug_mutex_init+0x1c/0x60 executing program [ 26.853498] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.853505] [] ? __lock_is_held+0xa1/0xf0 [ 26.853512] [] ? check_preemption_disabled+0x3b/0x200 [ 26.853518] [] ? __fd_install+0x223/0x5f0 [ 26.853524] [] ? __fget_light+0x169/0x1f0 [ 26.853530] [] ? __fdget+0x18/0x20 [ 26.853537] [] ? sockfd_lookup_light+0x118/0x160 [ 26.853543] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.853549] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.853555] [] ? fd_install+0x4d/0x60 [ 26.853561] [] ? move_addr_to_kernel+0x50/0x50 [ 26.853567] [] SyS_sendmsg+0x2d/0x50 [ 26.853573] [] ? __sys_sendmsg+0x190/0x190 [ 26.853579] [] do_syscall_64+0x1a4/0x490 [ 26.853585] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.854632] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 executing program executing program [ 26.854640] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.854646] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.854650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.854661] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.854669] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.854678] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.854680] Call Trace: executing program [ 26.854687] [] dump_stack+0xc1/0x128 [ 26.854695] [] check_preemption_disabled+0x1d4/0x200 [ 26.854702] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.854710] [] ipcomp_init_state+0x188/0x930 [ 26.854718] [] ? __lock_is_held+0xa1/0xf0 [ 26.854725] [] ipcomp6_init_state+0xb5/0x820 [ 26.854732] [] ? __xfrm_init_state+0x363/0xb30 [ 26.854738] [] __xfrm_init_state+0x3e7/0xb30 [ 26.854745] [] xfrm_init_state+0x1a/0x20 executing program [ 26.854752] [] pfkey_add+0x1fb9/0x3470 [ 26.854759] [] ? pfkey_delete+0x360/0x360 [ 26.854766] [] ? pfkey_seq_stop+0x80/0x80 [ 26.854773] [] ? __skb_clone+0x24a/0x7d0 [ 26.854780] [] ? pfkey_delete+0x360/0x360 [ 26.854787] [] pfkey_process+0x68b/0x750 [ 26.854794] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.854802] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 26.854809] [] pfkey_sendmsg+0x3a9/0x760 [ 26.854816] [] ? pfkey_spdget+0x820/0x820 [ 26.854823] [] sock_sendmsg+0xca/0x110 [ 26.854830] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.854837] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.854845] [] ? check_preemption_disabled+0x3b/0x200 [ 26.854852] [] ? check_preemption_disabled+0x3b/0x200 [ 26.854860] [] ? debug_mutex_init+0x1c/0x60 executing program executing program [ 26.854867] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.854875] [] ? __lock_is_held+0xa1/0xf0 [ 26.854883] [] ? check_preemption_disabled+0x3b/0x200 [ 26.854890] [] ? __fd_install+0x223/0x5f0 [ 26.854896] [] ? __fget_light+0x169/0x1f0 [ 26.854903] [] ? __fdget+0x18/0x20 [ 26.854911] [] ? sockfd_lookup_light+0x118/0x160 [ 26.854917] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.854924] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.854931] [] ? fd_install+0x4d/0x60 [ 26.854938] [] ? move_addr_to_kernel+0x50/0x50 [ 26.854945] [] SyS_sendmsg+0x2d/0x50 [ 26.854951] [] ? __sys_sendmsg+0x190/0x190 [ 26.854958] [] do_syscall_64+0x1a4/0x490 [ 26.854966] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.855453] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 executing program [ 26.855460] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.855466] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.855470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.855480] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.855488] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.855497] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.855498] Call Trace: [ 26.855506] [] dump_stack+0xc1/0x128 executing program executing program [ 26.855514] [] check_preemption_disabled+0x1d4/0x200 [ 26.855522] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.855529] [] ipcomp_init_state+0x188/0x930 [ 26.855537] [] ? __lock_is_held+0xa1/0xf0 [ 26.855544] [] ipcomp6_init_state+0xb5/0x820 [ 26.855551] [] ? __xfrm_init_state+0x363/0xb30 [ 26.855558] [] __xfrm_init_state+0x3e7/0xb30 [ 26.855564] [] xfrm_init_state+0x1a/0x20 executing program [ 26.855571] [] pfkey_add+0x1fb9/0x3470 [ 26.855578] [] ? pfkey_delete+0x360/0x360 [ 26.855585] [] ? pfkey_seq_stop+0x80/0x80 [ 26.855593] [] ? __skb_clone+0x24a/0x7d0 [ 26.855600] [] ? pfkey_delete+0x360/0x360 [ 26.855606] [] pfkey_process+0x68b/0x750 [ 26.855614] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.855622] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 26.855628] [] pfkey_sendmsg+0x3a9/0x760 [ 26.855635] [] ? pfkey_spdget+0x820/0x820 [ 26.855643] [] sock_sendmsg+0xca/0x110 [ 26.855649] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.855656] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.855664] [] ? check_preemption_disabled+0x3b/0x200 [ 26.855672] [] ? check_preemption_disabled+0x3b/0x200 [ 26.855679] [] ? debug_mutex_init+0x1c/0x60 executing program [ 26.855687] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.855694] [] ? __lock_is_held+0xa1/0xf0 [ 26.855702] [] ? check_preemption_disabled+0x3b/0x200 [ 26.855709] [] ? __fd_install+0x223/0x5f0 [ 26.855715] [] ? __fget_light+0x169/0x1f0 [ 26.855722] [] ? __fdget+0x18/0x20 [ 26.855730] [] ? sockfd_lookup_light+0x118/0x160 [ 26.855736] [] __sys_sendmsg+0xd6/0x190 [ 26.855743] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program [ 26.855750] [] ? fd_install+0x4d/0x60 [ 26.855760] [] ? move_addr_to_kernel+0x50/0x50 [ 26.855767] [] SyS_sendmsg+0x2d/0x50 [ 26.855774] [] ? __sys_sendmsg+0x190/0x190 [ 26.855781] [] do_syscall_64+0x1a4/0x490 [ 26.855788] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.856251] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.856260] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 26.856266] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.856270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.856282] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.856299] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.856308] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.856309] Call Trace: [ 26.856316] [] dump_stack+0xc1/0x128 executing program [ 26.856322] [] check_preemption_disabled+0x1d4/0x200 [ 26.856330] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.856338] [] ipcomp_init_state+0x188/0x930 [ 26.856345] [] ? __lock_is_held+0xa1/0xf0 [ 26.856352] [] ipcomp6_init_state+0xb5/0x820 [ 26.856359] [] ? __xfrm_init_state+0x363/0xb30 [ 26.856365] [] __xfrm_init_state+0x3e7/0xb30 [ 26.856372] [] xfrm_init_state+0x1a/0x20 executing program [ 26.856379] [] pfkey_add+0x1fb9/0x3470 [ 26.856386] [] ? pfkey_delete+0x360/0x360 [ 26.856393] [] ? pfkey_seq_stop+0x80/0x80 [ 26.856400] [] ? __skb_clone+0x24a/0x7d0 [ 26.856407] [] ? pfkey_delete+0x360/0x360 [ 26.856417] [] pfkey_process+0x68b/0x750 [ 26.856424] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.856432] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.856439] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program [ 26.856446] [] ? pfkey_spdget+0x820/0x820 [ 26.856453] [] sock_sendmsg+0xca/0x110 [ 26.856460] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.856467] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.856475] [] ? check_preemption_disabled+0x3b/0x200 [ 26.856483] [] ? check_preemption_disabled+0x3b/0x200 [ 26.856489] [] ? debug_mutex_init+0x1c/0x60 [ 26.856497] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 26.856504] [] ? __lock_is_held+0xa1/0xf0 [ 26.856512] [] ? check_preemption_disabled+0x3b/0x200 [ 26.856519] [] ? __fd_install+0x223/0x5f0 [ 26.856525] [] ? __fget_light+0x169/0x1f0 [ 26.856532] [] ? __fdget+0x18/0x20 [ 26.856540] [] ? sockfd_lookup_light+0x118/0x160 [ 26.856546] [] __sys_sendmsg+0xd6/0x190 [ 26.856553] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 26.856560] [] ? fd_install+0x4d/0x60 [ 26.856566] [] ? move_addr_to_kernel+0x50/0x50 [ 26.856573] [] SyS_sendmsg+0x2d/0x50 [ 26.856580] [] ? __sys_sendmsg+0x190/0x190 [ 26.856588] [] do_syscall_64+0x1a4/0x490 [ 26.856595] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.857033] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller067930/3796 [ 26.857040] caller is __this_cpu_preempt_check+0x1c/0x20 executing program [ 26.857046] CPU: 0 PID: 3796 Comm: syzkaller067930 Not tainted 4.9.83-ga92bb8d #43 [ 26.857050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.857059] ffff8801c5c67668 ffffffff81d95149 0000000000000000 ffffffff83c18e00 [ 26.857068] ffffffff83f45ba0 ffff8801b4bb9800 0000000000000003 ffff8801c5c676a8 [ 26.857077] ffffffff81dfc744 ffff8801c5c676c0 ffffffff83f45ba0 dffffc0000000000 [ 26.857078] Call Trace: [ 26.857086] [] dump_stack+0xc1/0x128 executing program executing program [ 26.857093] [] check_preemption_disabled+0x1d4/0x200 [ 26.857100] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.857107] [] ipcomp_init_state+0x188/0x930 [ 26.857113] [] ? __lock_is_held+0xa1/0xf0 [ 26.857126] [] ipcomp6_init_state+0xb5/0x820 [ 26.857132] [] ? __xfrm_init_state+0x363/0xb30 [ 26.857138] [] __xfrm_init_state+0x3e7/0xb30 [ 26.857144] [] xfrm_init_state+0x1a/0x20 [ 26.857150] [] pfkey_add+0x1fb9/0x3470 executing program [ 26.857157] [] ? pfkey_delete+0x360/0x360 [ 26.857164] [] ? pfkey_seq_stop+0x80/0x80 [ 26.857171] [] ? __skb_clone+0x24a/0x7d0 [ 26.857177] [] ? pfkey_delete+0x360/0x360 [ 26.857183] [] pfkey_process+0x68b/0x750 [ 26.857191] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.857198] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.857206] [] pfkey_sendmsg+0x3a9/0x760 executing program [ 26.857212] [] ? pfkey_spdget+0x820/0x820 [ 26.857220] [] sock_sendmsg+0xca/0x110 [ 26.857226] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.857232] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.857240] [] ? check_preemption_disabled+0x3b/0x200 [ 26.857247] [] ? check_preemption_disabled+0x3b/0x200 [ 26.857254] [] ? debug_mutex_init+0x1c/0x60 [ 26.857262] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 26.857270] [] ? __lock_is_held+0xa1/0xf0 [ 26.857277] [] ? check_preemption_disabled+0x3b/0x200 [ 26.857284] [] ? __fd_install+0x223/0x5f0 [ 26.857290] [] ? __fget_light+0x169/0x1f0 [ 26.857296] [] ? __fdget+0x18/0x20 [ 26.857303] [] ? sockfd_lookup_light+0x118/0x160 [ 26.857309] [] __sys_sendmsg+0xd6/0x190 [ 26.857315] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.857322] [] ? fd_install+0x4d/0x60 executing program executing program [ 26.857328] [] ? move_addr_to_kernel+0x50/0x50 [ 26.857334] [] SyS_sendmsg+0x2d/0x50 [ 26.857340] [] ? __sys_sendmsg+0x190/0x190 [ 26.857346] [] do_syscall_64+0x1a4/0x490 [ 26.857353] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program