[....] Starting enhanced syslogd: rsyslogd[ 12.633018] audit: type=1400 audit(1519753919.865:4): avc: denied { syslog } for pid=3510 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 '10.128.10.2' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 23.996628] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 24.005469] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.010926] CPU: 1 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 24.018613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.027940] ffff8801d8917678 ffffffff81d956b9 0000000000000001 ffffffff83c18e00 [ 24.035907] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 24.043869] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 24.052248] Call Trace: [ 24.054805] [] dump_stack+0xc1/0x128 [ 24.060149] [] check_preemption_disabled+0x1d4/0x200 [ 24.066870] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.073332] [] ipcomp_init_state+0x188/0x930 [ 24.079362] [] ? __lock_is_held+0xa1/0xf0 [ 24.085126] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.091155] [] __xfrm_init_state+0x3e7/0xb30 [ 24.097192] [] xfrm_init_state+0x1a/0x20 [ 24.102879] [] pfkey_add+0x1fb9/0x3470 [ 24.108385] [] ? pfkey_delete+0x360/0x360 [ 24.114151] [] ? pfkey_seq_stop+0x80/0x80 [ 24.119918] [] ? __skb_clone+0x24a/0x7d0 [ 24.125595] [] ? pfkey_delete+0x360/0x360 [ 24.131367] [] pfkey_process+0x68b/0x750 [ 24.137051] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.143863] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.150670] [] pfkey_sendmsg+0x3a9/0x760 [ 24.156354] [] ? pfkey_spdget+0x820/0x820 [ 24.162120] [] sock_sendmsg+0xca/0x110 [ 24.167628] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.173393] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.179941] [] ? check_preemption_disabled+0x3b/0x200 [ 24.186750] [] ? check_preemption_disabled+0x3b/0x200 [ 24.193559] [] ? debug_mutex_init+0x1c/0x60 [ 24.199497] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.206307] [] ? __lock_is_held+0xa1/0xf0 [ 24.212073] [] ? check_preemption_disabled+0x3b/0x200 [ 24.218880] [] ? __fd_install+0x223/0x5f0 [ 24.224644] [] ? __fget_light+0x169/0x1f0 [ 24.230415] [] ? __fdget+0x18/0x20 [ 24.235577] [] ? sockfd_lookup_light+0x118/0x160 [ 24.241954] [] __sys_sendmsg+0xd6/0x190 executing program [ 24.247543] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.253307] [] ? fd_install+0x4d/0x60 [ 24.258722] [] ? move_addr_to_kernel+0x50/0x50 [ 24.264920] [] SyS_sendmsg+0x2d/0x50 [ 24.270252] [] ? __sys_sendmsg+0x190/0x190 [ 24.276105] [] do_syscall_64+0x1a4/0x490 [ 24.281785] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 24.289901] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 24.298644] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.304090] CPU: 1 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 24.311771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.321092] ffff8801d8917678 ffffffff81d956b9 0000000000000001 ffffffff83c18e00 [ 24.329056] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 24.337018] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 24.344972] Call Trace: [ 24.347537] [] dump_stack+0xc1/0x128 [ 24.352872] [] check_preemption_disabled+0x1d4/0x200 [ 24.359593] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.366058] [] ipcomp_init_state+0x188/0x930 [ 24.372084] [] ? __lock_is_held+0xa1/0xf0 [ 24.377850] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.383878] [] __xfrm_init_state+0x3e7/0xb30 [ 24.389904] [] xfrm_init_state+0x1a/0x20 [ 24.395585] [] pfkey_add+0x1fb9/0x3470 [ 24.401093] [] ? pfkey_delete+0x360/0x360 [ 24.406859] [] ? pfkey_seq_stop+0x80/0x80 [ 24.412625] [] ? __skb_clone+0x24a/0x7d0 [ 24.418304] [] ? pfkey_delete+0x360/0x360 [ 24.424069] [] pfkey_process+0x68b/0x750 [ 24.429748] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.436559] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.443366] [] pfkey_sendmsg+0x3a9/0x760 [ 24.449045] [] ? pfkey_spdget+0x820/0x820 [ 24.454811] [] sock_sendmsg+0xca/0x110 [ 24.460315] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.466078] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.472625] [] ? check_preemption_disabled+0x3b/0x200 [ 24.479432] [] ? check_preemption_disabled+0x3b/0x200 [ 24.486239] [] ? debug_mutex_init+0x1c/0x60 [ 24.492177] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.498982] [] ? __lock_is_held+0xa1/0xf0 [ 24.504753] [] ? check_preemption_disabled+0x3b/0x200 [ 24.511564] [] ? __fd_install+0x223/0x5f0 [ 24.517341] [] ? __fget_light+0x169/0x1f0 [ 24.523107] [] ? __fdget+0x18/0x20 [ 24.528266] [] ? sockfd_lookup_light+0x118/0x160 [ 24.534639] [] __sys_sendmsg+0xd6/0x190 [ 24.540229] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 24.545995] [] ? fd_install+0x4d/0x60 [ 24.551414] [] ? move_addr_to_kernel+0x50/0x50 [ 24.557612] [] SyS_sendmsg+0x2d/0x50 [ 24.562946] [] ? __sys_sendmsg+0x190/0x190 [ 24.568798] [] do_syscall_64+0x1a4/0x490 [ 24.574490] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 24.584175] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 24.593443] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.598887] CPU: 1 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 24.606579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.615924] ffff8801d8917678 ffffffff81d956b9 0000000000000001 ffffffff83c18e00 [ 24.623943] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 24.631914] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 24.639876] Call Trace: [ 24.642438] [] dump_stack+0xc1/0x128 [ 24.647775] [] check_preemption_disabled+0x1d4/0x200 [ 24.654497] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.660958] [] ipcomp_init_state+0x188/0x930 [ 24.666983] [] ? __lock_is_held+0xa1/0xf0 [ 24.672748] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.678776] [] __xfrm_init_state+0x3e7/0xb30 [ 24.684804] [] xfrm_init_state+0x1a/0x20 [ 24.690486] [] pfkey_add+0x1fb9/0x3470 [ 24.695993] [] ? pfkey_delete+0x360/0x360 [ 24.701758] [] ? pfkey_seq_stop+0x80/0x80 [ 24.707529] [] ? __skb_clone+0x24a/0x7d0 [ 24.713215] [] ? pfkey_delete+0x360/0x360 [ 24.718981] [] pfkey_process+0x68b/0x750 [ 24.724661] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 24.731472] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.738282] [] pfkey_sendmsg+0x3a9/0x760 [ 24.743960] [] ? pfkey_spdget+0x820/0x820 [ 24.749738] [] sock_sendmsg+0xca/0x110 [ 24.755244] [] ___sys_sendmsg+0x6d1/0x7e0 [ 24.761011] [] ? copy_msghdr_from_user+0x570/0x570 [ 24.767563] [] ? check_preemption_disabled+0x3b/0x200 [ 24.774371] [] ? check_preemption_disabled+0x3b/0x200 [ 24.781181] [] ? debug_mutex_init+0x1c/0x60 [ 24.787120] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 24.793931] [] ? __lock_is_held+0xa1/0xf0 [ 24.799696] [] ? check_preemption_disabled+0x3b/0x200 [ 24.806505] [] ? __fd_install+0x223/0x5f0 [ 24.812273] [] ? __fget_light+0x169/0x1f0 [ 24.818037] [] ? __fdget+0x18/0x20 [ 24.823196] [] ? sockfd_lookup_light+0x118/0x160 [ 24.829569] [] __sys_sendmsg+0xd6/0x190 [ 24.835163] [] ? SyS_shutdown+0x1b0/0x1b0 [ 24.840934] [] ? fd_install+0x4d/0x60 executing program [ 24.846356] [] ? move_addr_to_kernel+0x50/0x50 [ 24.852556] [] SyS_sendmsg+0x2d/0x50 [ 24.857887] [] ? __sys_sendmsg+0x190/0x190 [ 24.863744] [] do_syscall_64+0x1a4/0x490 [ 24.869423] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 24.884507] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 24.893202] caller is __this_cpu_preempt_check+0x1c/0x20 [ 24.898623] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 24.906294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.915621] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 24.923593] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 24.931565] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 24.939526] Call Trace: [ 24.942082] [] dump_stack+0xc1/0x128 [ 24.947416] [] check_preemption_disabled+0x1d4/0x200 [ 24.954142] [] __this_cpu_preempt_check+0x1c/0x20 [ 24.960602] [] ipcomp_init_state+0x188/0x930 [ 24.966631] [] ? __lock_is_held+0xa1/0xf0 [ 24.972397] [] ipcomp4_init_state+0xb0/0x7d0 [ 24.978426] [] __xfrm_init_state+0x3e7/0xb30 [ 24.984454] [] xfrm_init_state+0x1a/0x20 [ 24.990135] [] pfkey_add+0x1fb9/0x3470 [ 24.995638] [] ? pfkey_delete+0x360/0x360 [ 25.001408] [] ? pfkey_seq_stop+0x80/0x80 [ 25.007179] [] ? __skb_clone+0x24a/0x7d0 [ 25.012859] [] ? pfkey_delete+0x360/0x360 [ 25.018629] [] pfkey_process+0x68b/0x750 [ 25.024310] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.031121] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.037927] [] pfkey_sendmsg+0x3a9/0x760 [ 25.043605] [] ? pfkey_spdget+0x820/0x820 [ 25.049370] [] sock_sendmsg+0xca/0x110 [ 25.054880] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.060645] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.067194] [] ? check_preemption_disabled+0x3b/0x200 [ 25.074002] [] ? check_preemption_disabled+0x3b/0x200 [ 25.080809] [] ? debug_mutex_init+0x1c/0x60 [ 25.086749] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.093556] [] ? __lock_is_held+0xa1/0xf0 [ 25.099324] [] ? check_preemption_disabled+0x3b/0x200 [ 25.106134] [] ? __fd_install+0x223/0x5f0 [ 25.111899] [] ? __fget_light+0x169/0x1f0 [ 25.117674] [] ? __fdget+0x18/0x20 [ 25.122835] [] ? sockfd_lookup_light+0x118/0x160 [ 25.129205] [] __sys_sendmsg+0xd6/0x190 [ 25.134805] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.140569] [] ? fd_install+0x4d/0x60 executing program [ 25.145991] [] ? move_addr_to_kernel+0x50/0x50 [ 25.152191] [] SyS_sendmsg+0x2d/0x50 [ 25.157521] [] ? __sys_sendmsg+0x190/0x190 [ 25.163376] [] do_syscall_64+0x1a4/0x490 [ 25.169055] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 25.177182] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 25.185857] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.191305] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 25.198986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.208310] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 25.216275] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 25.224623] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 25.232594] Call Trace: [ 25.235155] [] dump_stack+0xc1/0x128 [ 25.240486] [] check_preemption_disabled+0x1d4/0x200 [ 25.247204] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.253665] [] ipcomp_init_state+0x188/0x930 [ 25.259690] [] ? __lock_is_held+0xa1/0xf0 [ 25.265454] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.271478] [] __xfrm_init_state+0x3e7/0xb30 [ 25.277505] [] xfrm_init_state+0x1a/0x20 [ 25.283182] [] pfkey_add+0x1fb9/0x3470 [ 25.288683] [] ? pfkey_delete+0x360/0x360 [ 25.294448] [] ? pfkey_seq_stop+0x80/0x80 [ 25.300212] [] ? __skb_clone+0x24a/0x7d0 [ 25.305889] [] ? pfkey_delete+0x360/0x360 [ 25.311652] [] pfkey_process+0x68b/0x750 [ 25.317329] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.324135] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.330943] [] pfkey_sendmsg+0x3a9/0x760 [ 25.336618] [] ? pfkey_spdget+0x820/0x820 [ 25.342383] [] sock_sendmsg+0xca/0x110 [ 25.347886] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.353648] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.360195] [] ? check_preemption_disabled+0x3b/0x200 [ 25.367004] [] ? check_preemption_disabled+0x3b/0x200 [ 25.373811] [] ? debug_mutex_init+0x1c/0x60 [ 25.379750] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.386554] [] ? __lock_is_held+0xa1/0xf0 [ 25.392316] [] ? check_preemption_disabled+0x3b/0x200 [ 25.399121] [] ? __fd_install+0x223/0x5f0 [ 25.404887] [] ? __fget_light+0x169/0x1f0 [ 25.410649] [] ? __fdget+0x18/0x20 [ 25.415809] [] ? sockfd_lookup_light+0x118/0x160 [ 25.422180] [] __sys_sendmsg+0xd6/0x190 [ 25.427770] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.433534] [] ? fd_install+0x4d/0x60 [ 25.438952] [] ? move_addr_to_kernel+0x50/0x50 [ 25.445152] [] SyS_sendmsg+0x2d/0x50 executing program [ 25.450480] [] ? __sys_sendmsg+0x190/0x190 [ 25.456334] [] do_syscall_64+0x1a4/0x490 [ 25.462012] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 25.470285] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 25.478953] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.484395] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 25.492080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.501407] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 25.509366] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 25.517335] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 25.525301] Call Trace: [ 25.527859] [] dump_stack+0xc1/0x128 [ 25.533193] [] check_preemption_disabled+0x1d4/0x200 [ 25.539912] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.546374] [] ipcomp_init_state+0x188/0x930 [ 25.552406] [] ? __lock_is_held+0xa1/0xf0 [ 25.558257] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.564283] [] __xfrm_init_state+0x3e7/0xb30 [ 25.570306] [] xfrm_init_state+0x1a/0x20 [ 25.575984] [] pfkey_add+0x1fb9/0x3470 [ 25.581488] [] ? pfkey_delete+0x360/0x360 [ 25.587254] [] ? pfkey_seq_stop+0x80/0x80 [ 25.593020] [] ? __skb_clone+0x24a/0x7d0 [ 25.598699] [] ? pfkey_delete+0x360/0x360 [ 25.604462] [] pfkey_process+0x68b/0x750 [ 25.610138] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.616947] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.623754] [] pfkey_sendmsg+0x3a9/0x760 [ 25.629431] [] ? pfkey_spdget+0x820/0x820 [ 25.635196] [] sock_sendmsg+0xca/0x110 [ 25.640700] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.646469] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.653015] [] ? check_preemption_disabled+0x3b/0x200 [ 25.659820] [] ? check_preemption_disabled+0x3b/0x200 [ 25.666629] [] ? debug_mutex_init+0x1c/0x60 [ 25.672569] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.679375] [] ? __lock_is_held+0xa1/0xf0 [ 25.685141] [] ? check_preemption_disabled+0x3b/0x200 [ 25.691948] [] ? __fd_install+0x223/0x5f0 [ 25.697710] [] ? __fget_light+0x169/0x1f0 [ 25.703473] [] ? __fdget+0x18/0x20 [ 25.708629] [] ? sockfd_lookup_light+0x118/0x160 [ 25.714999] [] __sys_sendmsg+0xd6/0x190 [ 25.720589] [] ? SyS_shutdown+0x1b0/0x1b0 [ 25.726356] [] ? fd_install+0x4d/0x60 [ 25.731771] [] ? move_addr_to_kernel+0x50/0x50 [ 25.737971] [] SyS_sendmsg+0x2d/0x50 [ 25.743302] [] ? __sys_sendmsg+0x190/0x190 executing program [ 25.749152] [] do_syscall_64+0x1a4/0x490 [ 25.754832] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 25.762985] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 25.771662] caller is __this_cpu_preempt_check+0x1c/0x20 [ 25.777082] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 25.784752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.794072] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 25.802035] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 25.809995] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 25.817959] Call Trace: [ 25.820515] [] dump_stack+0xc1/0x128 [ 25.825856] [] check_preemption_disabled+0x1d4/0x200 [ 25.832574] [] __this_cpu_preempt_check+0x1c/0x20 [ 25.839037] [] ipcomp_init_state+0x188/0x930 [ 25.845066] [] ? __lock_is_held+0xa1/0xf0 [ 25.850830] [] ipcomp4_init_state+0xb0/0x7d0 [ 25.856856] [] __xfrm_init_state+0x3e7/0xb30 [ 25.862882] [] xfrm_init_state+0x1a/0x20 [ 25.868561] [] pfkey_add+0x1fb9/0x3470 [ 25.874064] [] ? pfkey_delete+0x360/0x360 [ 25.879827] [] ? pfkey_seq_stop+0x80/0x80 [ 25.885592] [] ? __skb_clone+0x24a/0x7d0 [ 25.891268] [] ? pfkey_delete+0x360/0x360 [ 25.897032] [] pfkey_process+0x68b/0x750 [ 25.902709] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 25.909514] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.916323] [] pfkey_sendmsg+0x3a9/0x760 [ 25.922000] [] ? pfkey_spdget+0x820/0x820 [ 25.927765] [] sock_sendmsg+0xca/0x110 [ 25.933268] [] ___sys_sendmsg+0x6d1/0x7e0 [ 25.939033] [] ? copy_msghdr_from_user+0x570/0x570 [ 25.945580] [] ? check_preemption_disabled+0x3b/0x200 [ 25.952392] [] ? check_preemption_disabled+0x3b/0x200 [ 25.959197] [] ? debug_mutex_init+0x1c/0x60 [ 25.965135] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 25.971941] [] ? __lock_is_held+0xa1/0xf0 [ 25.977705] [] ? check_preemption_disabled+0x3b/0x200 [ 25.984514] [] ? __fd_install+0x223/0x5f0 [ 25.990277] [] ? __fget_light+0x169/0x1f0 [ 25.996039] [] ? __fdget+0x18/0x20 executing program [ 26.001197] [] ? sockfd_lookup_light+0x118/0x160 [ 26.007570] [] __sys_sendmsg+0xd6/0x190 [ 26.013160] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.018924] [] ? fd_install+0x4d/0x60 [ 26.024340] [] ? move_addr_to_kernel+0x50/0x50 [ 26.030540] [] SyS_sendmsg+0x2d/0x50 [ 26.035868] [] ? __sys_sendmsg+0x190/0x190 [ 26.041720] [] do_syscall_64+0x1a4/0x490 [ 26.047397] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.055535] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 26.064207] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.069629] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 26.077299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.086620] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 26.094598] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 26.102563] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 26.110524] Call Trace: [ 26.113086] [] dump_stack+0xc1/0x128 [ 26.118420] [] check_preemption_disabled+0x1d4/0x200 [ 26.125141] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.131603] [] ipcomp_init_state+0x188/0x930 [ 26.137636] [] ? __lock_is_held+0xa1/0xf0 [ 26.143401] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.149425] [] __xfrm_init_state+0x3e7/0xb30 [ 26.155457] [] xfrm_init_state+0x1a/0x20 [ 26.161137] [] pfkey_add+0x1fb9/0x3470 [ 26.166641] [] ? pfkey_delete+0x360/0x360 [ 26.172403] [] ? pfkey_seq_stop+0x80/0x80 [ 26.178171] [] ? __skb_clone+0x24a/0x7d0 [ 26.183847] [] ? pfkey_delete+0x360/0x360 [ 26.189611] [] pfkey_process+0x68b/0x750 [ 26.195295] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.202104] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.208909] [] pfkey_sendmsg+0x3a9/0x760 [ 26.214586] [] ? pfkey_spdget+0x820/0x820 [ 26.220351] [] sock_sendmsg+0xca/0x110 [ 26.225857] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.231623] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.238170] [] ? check_preemption_disabled+0x3b/0x200 [ 26.244978] [] ? check_preemption_disabled+0x3b/0x200 [ 26.251786] [] ? debug_mutex_init+0x1c/0x60 [ 26.257723] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.264530] [] ? __lock_is_held+0xa1/0xf0 [ 26.270294] [] ? check_preemption_disabled+0x3b/0x200 [ 26.277102] [] ? __fd_install+0x223/0x5f0 [ 26.282865] [] ? __fget_light+0x169/0x1f0 [ 26.288629] [] ? __fdget+0x18/0x20 [ 26.293788] [] ? sockfd_lookup_light+0x118/0x160 [ 26.300162] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.305750] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.311513] [] ? fd_install+0x4d/0x60 [ 26.316928] [] ? move_addr_to_kernel+0x50/0x50 [ 26.323128] [] SyS_sendmsg+0x2d/0x50 [ 26.328460] [] ? __sys_sendmsg+0x190/0x190 [ 26.334313] [] do_syscall_64+0x1a4/0x490 [ 26.339990] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.348131] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 26.356807] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.362251] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 26.369933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.379257] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 26.387215] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 26.395177] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 26.403140] Call Trace: [ 26.405698] [] dump_stack+0xc1/0x128 [ 26.411030] [] check_preemption_disabled+0x1d4/0x200 [ 26.417752] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.424215] [] ipcomp_init_state+0x188/0x930 [ 26.430249] [] ? __lock_is_held+0xa1/0xf0 [ 26.436017] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.442042] [] __xfrm_init_state+0x3e7/0xb30 [ 26.448068] [] xfrm_init_state+0x1a/0x20 [ 26.453749] [] pfkey_add+0x1fb9/0x3470 [ 26.459252] [] ? pfkey_delete+0x360/0x360 [ 26.465021] [] ? pfkey_seq_stop+0x80/0x80 [ 26.470785] [] ? __skb_clone+0x24a/0x7d0 [ 26.476461] [] ? pfkey_delete+0x360/0x360 [ 26.482224] [] pfkey_process+0x68b/0x750 [ 26.487905] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.494711] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.501519] [] pfkey_sendmsg+0x3a9/0x760 [ 26.507197] [] ? pfkey_spdget+0x820/0x820 [ 26.512963] [] sock_sendmsg+0xca/0x110 [ 26.518464] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.524228] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.530776] [] ? check_preemption_disabled+0x3b/0x200 [ 26.537580] [] ? check_preemption_disabled+0x3b/0x200 [ 26.544386] [] ? debug_mutex_init+0x1c/0x60 [ 26.550323] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.557130] [] ? __lock_is_held+0xa1/0xf0 [ 26.562894] [] ? check_preemption_disabled+0x3b/0x200 [ 26.569699] [] ? __fd_install+0x223/0x5f0 [ 26.575464] [] ? __fget_light+0x169/0x1f0 [ 26.581230] [] ? __fdget+0x18/0x20 [ 26.586386] [] ? sockfd_lookup_light+0x118/0x160 [ 26.592757] [] __sys_sendmsg+0xd6/0x190 [ 26.598346] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 26.604114] [] ? fd_install+0x4d/0x60 [ 26.609532] [] ? move_addr_to_kernel+0x50/0x50 [ 26.615732] [] SyS_sendmsg+0x2d/0x50 [ 26.621063] [] ? __sys_sendmsg+0x190/0x190 [ 26.626915] [] do_syscall_64+0x1a4/0x490 [ 26.632594] [] entry_SYSCALL_64_after_swapgs+0x47/0xc5 [ 26.640781] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 26.649435] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.654880] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 26.662560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.671885] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 26.679849] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 26.687809] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 26.695783] Call Trace: [ 26.698336] [] dump_stack+0xc1/0x128 [ 26.703667] [] check_preemption_disabled+0x1d4/0x200 [ 26.710386] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.716848] [] ipcomp_init_state+0x188/0x930 [ 26.722874] [] ? __lock_is_held+0xa1/0xf0 [ 26.728642] [] ipcomp4_init_state+0xb0/0x7d0 [ 26.734667] [] __xfrm_init_state+0x3e7/0xb30 [ 26.740691] [] xfrm_init_state+0x1a/0x20 [ 26.746372] [] pfkey_add+0x1fb9/0x3470 [ 26.751874] [] ? pfkey_delete+0x360/0x360 [ 26.757646] [] ? pfkey_seq_stop+0x80/0x80 [ 26.763413] [] ? __skb_clone+0x24a/0x7d0 [ 26.769089] [] ? pfkey_delete+0x360/0x360 [ 26.774852] [] pfkey_process+0x68b/0x750 [ 26.780531] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.787339] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.794150] [] pfkey_sendmsg+0x3a9/0x760 [ 26.799829] [] ? pfkey_spdget+0x820/0x820 [ 26.805594] [] sock_sendmsg+0xca/0x110 [ 26.811100] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.816872] [] ? copy_msghdr_from_user+0x570/0x570 [ 26.823418] [] ? check_preemption_disabled+0x3b/0x200 [ 26.830224] [] ? check_preemption_disabled+0x3b/0x200 [ 26.837029] [] ? debug_mutex_init+0x1c/0x60 [ 26.842969] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.849784] [] ? __lock_is_held+0xa1/0xf0 [ 26.855549] [] ? check_preemption_disabled+0x3b/0x200 [ 26.862359] [] ? __fd_install+0x223/0x5f0 [ 26.868134] [] ? __fget_light+0x169/0x1f0 [ 26.873900] [] ? __fdget+0x18/0x20 [ 26.879060] [] ? sockfd_lookup_light+0x118/0x160 [ 26.885433] [] __sys_sendmsg+0xd6/0x190 [ 26.891026] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.896800] [] ? fd_install+0x4d/0x60 [ 26.902220] [] ? move_addr_to_kernel+0x50/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.908420] [] SyS_sendmsg+0x2d/0x50 [ 26.913751] [] ? __sys_sendmsg+0x190/0x190 [ 26.919603] [] do_syscall_64+0x1a4/0x490 [ 26.925283] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.000963] check_preemption_disabled: 1055 callbacks suppressed [ 29.000967] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller237060/3666 [ 29.015771] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.021217] CPU: 0 PID: 3666 Comm: syzkaller237060 Not tainted 4.9.84-ge7f51a5 #45 [ 29.028899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.038227] ffff8801d8917678 ffffffff81d956b9 0000000000000000 ffffffff83c18e00 [ 29.046190] ffffffff83f45be0 ffff8801c2c56000 0000000000000003 ffff8801d89176b8 [ 29.054152] ffffffff81dfccb4 ffff8801d89176d0 ffffffff83f45be0 dffffc0000000000 [ 29.062113] Call Trace: [ 29.064669] [] dump_stack+0xc1/0x128 [ 29.070004] [] check_preemption_disabled+0x1d4/0x200 [ 29.076724] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.083184] [] ipcomp_init_state+0x188/0x930 [ 29.089212] [] ? __lock_is_held+0xa1/0xf0 [ 29.094976] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.101001] [] __xfrm_init_state+0x3e7/0xb30 [ 29.107025] [] xfrm_init_state+0x1a/0x20 [ 29.112709] [] pfkey_add+0x1fb9/0x3470 [ 29.118213] [] ? pfkey_delete+0x360/0x360 [ 29.123978] [