[....] Starting enhanced syslogd: rsyslogd[ 14.883607] audit: type=1400 audit(1517237768.316:4): avc: denied { syslog } for pid=3907 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 '10.128.0.49' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" executing program executing program syzkaller login: [ 33.402445] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 33.411126] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.416642] CPU: 0 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 33.424319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.433653] ffff8801d3a276d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 [ 33.441649] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 33.449620] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 33.457679] Call Trace: [ 33.460240] [] dump_stack+0xc1/0x128 [ 33.465576] [] check_preemption_disabled+0x1d4/0x200 [ 33.472297] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.478763] [] ipcomp_init_state+0x188/0x930 [ 33.484793] [] ? __lock_is_held+0xa1/0xf0 [ 33.490560] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.496596] [] __xfrm_init_state+0x3e7/0xb30 [ 33.502625] [] xfrm_init_state+0x1a/0x20 [ 33.508307] [] pfkey_add+0x1fb9/0x3470 [ 33.513812] [] ? pfkey_delete+0x360/0x360 [ 33.519577] [] ? pfkey_seq_stop+0x80/0x80 [ 33.525352] [] ? __skb_clone+0x24a/0x7d0 [ 33.531032] [] ? pfkey_delete+0x360/0x360 [ 33.536799] [] pfkey_process+0x68b/0x750 [ 33.542480] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.549290] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.556100] [] pfkey_sendmsg+0x3a9/0x760 [ 33.561777] [] ? pfkey_spdget+0x820/0x820 [ 33.567546] [] sock_sendmsg+0xca/0x110 [ 33.573063] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.578833] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.585382] [] ? __lru_cache_add+0x187/0x250 [ 33.591410] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.598481] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.606072] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.613141] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.619256] [] ? __lock_is_held+0xa1/0xf0 [ 33.625022] [] ? __pmd_alloc+0x410/0x410 [ 33.630702] [] ? __fget_light+0x158/0x1e0 [ 33.636468] [] ? __fdget+0x18/0x20 [ 33.641625] [] __sys_sendmsg+0xd6/0x190 [ 33.647218] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 33.652986] [] ? __do_page_fault+0x5ec/0xd40 [ 33.659012] [] ? __do_page_fault+0x3bd/0xd40 [ 33.665039] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.671845] [] SyS_sendmsg+0x2d/0x50 [ 33.677182] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 33.687354] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 33.696085] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.701509] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 33.709185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.718521] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 33.726492] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 33.734477] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 33.742439] Call Trace: [ 33.744997] [] dump_stack+0xc1/0x128 [ 33.750328] [] check_preemption_disabled+0x1d4/0x200 [ 33.757057] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.763518] [] ipcomp_init_state+0x188/0x930 [ 33.769546] [] ? __lock_is_held+0xa1/0xf0 [ 33.775321] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.781349] [] __xfrm_init_state+0x3e7/0xb30 [ 33.787378] [] xfrm_init_state+0x1a/0x20 [ 33.793060] [] pfkey_add+0x1fb9/0x3470 [ 33.798563] [] ? pfkey_delete+0x360/0x360 [ 33.804331] [] ? pfkey_seq_stop+0x80/0x80 [ 33.810096] [] ? __skb_clone+0x24a/0x7d0 [ 33.815774] [] ? pfkey_delete+0x360/0x360 [ 33.821541] [] pfkey_process+0x68b/0x750 [ 33.827221] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.834029] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.840838] [] pfkey_sendmsg+0x3a9/0x760 [ 33.846514] [] ? pfkey_spdget+0x820/0x820 [ 33.852279] [] sock_sendmsg+0xca/0x110 [ 33.857785] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.863550] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.870100] [] ? __lru_cache_add+0x187/0x250 [ 33.876129] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.883195] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.889136] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.896203] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.902317] [] ? __lock_is_held+0xa1/0xf0 [ 33.908092] [] ? __pmd_alloc+0x410/0x410 [ 33.913772] [] ? __fget_light+0x158/0x1e0 [ 33.919538] [] ? __fdget+0x18/0x20 [ 33.924694] [] __sys_sendmsg+0xd6/0x190 [ 33.930287] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.936055] [] ? __do_page_fault+0x5ec/0xd40 [ 33.942080] [] ? __do_page_fault+0x3bd/0xd40 [ 33.948114] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 33.954921] [] SyS_sendmsg+0x2d/0x50 [ 33.960256] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 33.969437] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 33.978126] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.983588] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 33.991265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.000591] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 34.008555] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 34.016523] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 34.024490] Call Trace: [ 34.027051] [] dump_stack+0xc1/0x128 [ 34.032383] [] check_preemption_disabled+0x1d4/0x200 [ 34.039106] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.045568] [] ipcomp_init_state+0x188/0x930 [ 34.051598] [] ? __lock_is_held+0xa1/0xf0 [ 34.057362] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.063388] [] __xfrm_init_state+0x3e7/0xb30 [ 34.069413] [] xfrm_init_state+0x1a/0x20 [ 34.075097] [] pfkey_add+0x1fb9/0x3470 [ 34.080606] [] ? pfkey_delete+0x360/0x360 [ 34.086374] [] ? pfkey_seq_stop+0x80/0x80 [ 34.092157] [] ? __skb_clone+0x24a/0x7d0 [ 34.097838] [] ? pfkey_delete+0x360/0x360 [ 34.103602] [] pfkey_process+0x68b/0x750 [ 34.109280] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.116107] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.122914] [] pfkey_sendmsg+0x3a9/0x760 [ 34.128591] [] ? pfkey_spdget+0x820/0x820 [ 34.134357] [] sock_sendmsg+0xca/0x110 [ 34.139862] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.145630] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.152177] [] ? __lru_cache_add+0x187/0x250 [ 34.158208] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.165293] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.171235] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.178313] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.184428] [] ? __lock_is_held+0xa1/0xf0 [ 34.190194] [] ? __pmd_alloc+0x410/0x410 [ 34.195890] [] ? __fget_light+0x158/0x1e0 executing program [ 34.201658] [] ? __fdget+0x18/0x20 [ 34.206820] [] __sys_sendmsg+0xd6/0x190 [ 34.212411] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.218177] [] ? __do_page_fault+0x5ec/0xd40 [ 34.224204] [] ? __do_page_fault+0x3bd/0xd40 [ 34.230231] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.237041] [] SyS_sendmsg+0x2d/0x50 [ 34.242370] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 34.251143] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 34.259833] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.265285] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 34.272963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.282290] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 34.290254] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 34.298219] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 34.306179] Call Trace: [ 34.308738] [] dump_stack+0xc1/0x128 [ 34.314081] [] check_preemption_disabled+0x1d4/0x200 [ 34.320802] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.327261] [] ipcomp_init_state+0x188/0x930 [ 34.333288] [] ? __lock_is_held+0xa1/0xf0 [ 34.339055] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.345082] [] __xfrm_init_state+0x3e7/0xb30 [ 34.351106] [] xfrm_init_state+0x1a/0x20 [ 34.356785] [] pfkey_add+0x1fb9/0x3470 [ 34.362290] [] ? pfkey_delete+0x360/0x360 [ 34.368063] [] ? pfkey_seq_stop+0x80/0x80 [ 34.373830] [] ? __skb_clone+0x24a/0x7d0 [ 34.379508] [] ? pfkey_delete+0x360/0x360 [ 34.385281] [] pfkey_process+0x68b/0x750 [ 34.390961] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.397775] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.404580] [] pfkey_sendmsg+0x3a9/0x760 [ 34.410260] [] ? pfkey_spdget+0x820/0x820 [ 34.416026] [] sock_sendmsg+0xca/0x110 [ 34.421550] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.427318] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.433865] [] ? __lru_cache_add+0x187/0x250 [ 34.439894] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.446962] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.452899] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.459968] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.466083] [] ? __lock_is_held+0xa1/0xf0 [ 34.471849] [] ? __pmd_alloc+0x410/0x410 [ 34.477537] [] ? __fget_light+0x158/0x1e0 [ 34.483304] [] ? __fdget+0x18/0x20 [ 34.488546] [] __sys_sendmsg+0xd6/0x190 [ 34.494136] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.499901] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 34.505927] [] ? __do_page_fault+0x3bd/0xd40 [ 34.511955] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.518763] [] SyS_sendmsg+0x2d/0x50 [ 34.524094] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 34.532841] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 34.541500] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.546961] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 34.554638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.563966] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 34.571932] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 34.579905] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 34.587878] Call Trace: [ 34.590435] [] dump_stack+0xc1/0x128 [ 34.596603] [] check_preemption_disabled+0x1d4/0x200 [ 34.603327] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.609790] [] ipcomp_init_state+0x188/0x930 [ 34.615831] [] ? __lock_is_held+0xa1/0xf0 [ 34.621602] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.627630] [] __xfrm_init_state+0x3e7/0xb30 [ 34.633656] [] xfrm_init_state+0x1a/0x20 [ 34.639335] [] pfkey_add+0x1fb9/0x3470 [ 34.644853] [] ? pfkey_delete+0x360/0x360 [ 34.650626] [] ? pfkey_seq_stop+0x80/0x80 [ 34.656392] [] ? __skb_clone+0x24a/0x7d0 [ 34.662068] [] ? pfkey_delete+0x360/0x360 [ 34.667831] [] pfkey_process+0x68b/0x750 [ 34.673509] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.680317] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.687128] [] pfkey_sendmsg+0x3a9/0x760 [ 34.692806] [] ? pfkey_spdget+0x820/0x820 [ 34.698572] [] sock_sendmsg+0xca/0x110 [ 34.704075] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.709839] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.716386] [] ? __lru_cache_add+0x187/0x250 [ 34.722414] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 34.729481] [] ? _raw_spin_unlock+0x2c/0x50 [ 34.735419] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 34.742486] [] ? handle_mm_fault+0x6ee/0x2530 [ 34.748609] [] ? __lock_is_held+0xa1/0xf0 [ 34.754381] [] ? __pmd_alloc+0x410/0x410 [ 34.760060] [] ? __fget_light+0x158/0x1e0 [ 34.765826] [] ? __fdget+0x18/0x20 [ 34.770983] [] __sys_sendmsg+0xd6/0x190 [ 34.776574] [] ? SyS_shutdown+0x1b0/0x1b0 [ 34.782339] [] ? __do_page_fault+0x5ec/0xd40 [ 34.788363] [] ? __do_page_fault+0x3bd/0xd40 [ 34.794389] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.801196] [] SyS_sendmsg+0x2d/0x50 executing program [ 34.806529] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 34.815303] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 34.823991] caller is __this_cpu_preempt_check+0x1c/0x20 [ 34.829423] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 34.837108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.846435] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 34.854400] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 34.862363] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 34.870338] Call Trace: [ 34.872898] [] dump_stack+0xc1/0x128 [ 34.878234] [] check_preemption_disabled+0x1d4/0x200 [ 34.884955] [] __this_cpu_preempt_check+0x1c/0x20 [ 34.891414] [] ipcomp_init_state+0x188/0x930 [ 34.897455] [] ? __lock_is_held+0xa1/0xf0 [ 34.903222] [] ipcomp4_init_state+0xb0/0x7d0 [ 34.909250] [] __xfrm_init_state+0x3e7/0xb30 [ 34.915277] [] xfrm_init_state+0x1a/0x20 [ 34.920957] [] pfkey_add+0x1fb9/0x3470 [ 34.926461] [] ? pfkey_delete+0x360/0x360 [ 34.932236] [] ? pfkey_seq_stop+0x80/0x80 [ 34.938003] [] ? __skb_clone+0x24a/0x7d0 [ 34.943680] [] ? pfkey_delete+0x360/0x360 [ 34.949445] [] pfkey_process+0x68b/0x750 [ 34.955134] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 34.961943] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 34.968750] [] pfkey_sendmsg+0x3a9/0x760 [ 34.974430] [] ? pfkey_spdget+0x820/0x820 [ 34.980197] [] sock_sendmsg+0xca/0x110 [ 34.985703] [] ___sys_sendmsg+0x6d1/0x7e0 [ 34.991471] [] ? copy_msghdr_from_user+0x550/0x550 [ 34.998020] [] ? __lru_cache_add+0x187/0x250 [ 35.004048] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.011117] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.017058] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.024126] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.030240] [] ? __lock_is_held+0xa1/0xf0 [ 35.036008] [] ? __pmd_alloc+0x410/0x410 [ 35.041687] [] ? __fget_light+0x158/0x1e0 [ 35.047454] [] ? __fdget+0x18/0x20 [ 35.052611] [] __sys_sendmsg+0xd6/0x190 executing program [ 35.058212] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.063981] [] ? __do_page_fault+0x5ec/0xd40 [ 35.070007] [] ? __do_page_fault+0x3bd/0xd40 [ 35.076035] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.082841] [] SyS_sendmsg+0x2d/0x50 [ 35.088178] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 35.096934] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 35.105621] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.111041] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 35.118717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.128044] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 35.136005] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 35.143970] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 35.151931] Call Trace: [ 35.154489] [] dump_stack+0xc1/0x128 [ 35.159821] [] check_preemption_disabled+0x1d4/0x200 [ 35.166543] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.173004] [] ipcomp_init_state+0x188/0x930 [ 35.179031] [] ? __lock_is_held+0xa1/0xf0 [ 35.184797] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.190822] [] __xfrm_init_state+0x3e7/0xb30 [ 35.196850] [] xfrm_init_state+0x1a/0x20 [ 35.202531] [] pfkey_add+0x1fb9/0x3470 [ 35.208079] [] ? pfkey_delete+0x360/0x360 [ 35.213851] [] ? pfkey_seq_stop+0x80/0x80 [ 35.219618] [] ? __skb_clone+0x24a/0x7d0 [ 35.225298] [] ? pfkey_delete+0x360/0x360 [ 35.231066] [] pfkey_process+0x68b/0x750 [ 35.236764] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.243598] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.250433] [] pfkey_sendmsg+0x3a9/0x760 [ 35.256134] [] ? pfkey_spdget+0x820/0x820 [ 35.261908] [] sock_sendmsg+0xca/0x110 [ 35.267428] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.273209] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.279772] [] ? __lru_cache_add+0x187/0x250 [ 35.285824] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.292917] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.298881] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.305963] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.312088] [] ? __lock_is_held+0xa1/0xf0 [ 35.317869] [] ? __pmd_alloc+0x410/0x410 [ 35.323563] [] ? __fget_light+0x158/0x1e0 [ 35.329336] [] ? __fdget+0x18/0x20 [ 35.334501] [] __sys_sendmsg+0xd6/0x190 [ 35.340106] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.345894] [] ? __do_page_fault+0x5ec/0xd40 [ 35.351943] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.357992] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.364819] [] SyS_sendmsg+0x2d/0x50 [ 35.370161] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 35.379785] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 35.388500] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.388507] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.388510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.388521] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 35.388536] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 35.388543] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 35.388544] Call Trace: [ 35.388554] [] dump_stack+0xc1/0x128 [ 35.388561] [] check_preemption_disabled+0x1d4/0x200 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 [ 35.388568] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.388576] [] ipcomp_init_state+0x188/0x930 [ 35.388586] [] ? __lock_is_held+0xa1/0xf0 [ 35.388594] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.388600] [] __xfrm_init_state+0x3e7/0xb30 [ 35.388606] [] xfrm_init_state+0x1a/0x20 [ 35.388613] [] pfkey_add+0x1fb9/0x3470 [ 35.388619] [] ? pfkey_delete+0x360/0x360 [ 35.388625] [] ? pfkey_seq_stop+0x80/0x80 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.388633] [] ? __skb_clone+0x24a/0x7d0 [ 35.388639] [] ? pfkey_delete+0x360/0x360 [ 35.388645] [] pfkey_process+0x68b/0x750 [ 35.388651] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.388659] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.388665] [] pfkey_sendmsg+0x3a9/0x760 [ 35.388671] [] ? pfkey_spdget+0x820/0x820 [ 35.388678] [] sock_sendmsg+0xca/0x110 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.388684] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.388691] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.388700] [] ? __lru_cache_add+0x187/0x250 [ 35.388708] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.388714] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.388722] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.388728] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.388735] [] ? __lock_is_held+0xa1/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.388740] [] ? __pmd_alloc+0x410/0x410 [ 35.388747] [] ? __fget_light+0x158/0x1e0 [ 35.388752] [] ? __fdget+0x18/0x20 [ 35.388758] [] __sys_sendmsg+0xd6/0x190 [ 35.388764] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.388771] [] ? __do_page_fault+0x5ec/0xd40 [ 35.388778] [] ? __do_page_fault+0x3bd/0xd40 [ 35.388785] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.388791] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.388797] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 35.395914] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 35.395926] caller is __this_cpu_preempt_check+0x1c/0x20 [ 35.395932] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 35.395935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.395946] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.395954] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 35.395962] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 35.395964] Call Trace: [ 35.395974] [] dump_stack+0xc1/0x128 [ 35.395981] [] check_preemption_disabled+0x1d4/0x200 [ 35.395988] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.395998] [] ipcomp_init_state+0x188/0x930 [ 35.396008] [] ? __lock_is_held+0xa1/0xf0 [ 35.396016] [] ipcomp4_init_state+0xb0/0x7d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.396023] [] __xfrm_init_state+0x3e7/0xb30 [ 35.396029] [] xfrm_init_state+0x1a/0x20 [ 35.396037] [] pfkey_add+0x1fb9/0x3470 [ 35.396044] [] ? pfkey_delete+0x360/0x360 [ 35.396050] [] ? pfkey_seq_stop+0x80/0x80 [ 35.396059] [] ? __skb_clone+0x24a/0x7d0 [ 35.396064] [] ? pfkey_delete+0x360/0x360 [ 35.396070] [] pfkey_process+0x68b/0x750 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.396077] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.396084] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.396091] [] pfkey_sendmsg+0x3a9/0x760 [ 35.396097] [] ? pfkey_spdget+0x820/0x820 [ 35.396105] [] sock_sendmsg+0xca/0x110 [ 35.396112] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.396120] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.396129] [] ? __lru_cache_add+0x187/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.396136] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.396142] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.396148] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 35.396154] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.396161] [] ? __lock_is_held+0xa1/0xf0 [ 35.396167] [] ? __pmd_alloc+0x410/0x410 [ 35.396175] [] ? __fget_light+0x158/0x1e0 [ 35.396188] [] ? __fdget+0x18/0x20 [ 35.396194] [] __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 [ 35.396200] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.396208] [] ? __do_page_fault+0x5ec/0xd40 [ 35.396216] [] ? __do_page_fault+0x3bd/0xd40 [ 35.396224] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.396230] [] SyS_sendmsg+0x2d/0x50 [ 35.396238] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 35.399497] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller084876/4064 [ 35.399508] caller is __this_cpu_preempt_check+0x1c/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399516] CPU: 1 PID: 4064 Comm: syzkaller084876 Not tainted 4.9.78-g68d447c #23 [ 35.399519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.399531] ffff8801d3a276d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 35.399540] ffffffff83f45480 ffff8801d65e3000 0000000000000003 ffff8801d3a27718 [ 35.399549] ffffffff81dfb974 ffff8801d3a27730 ffffffff83f45480 dffffc0000000000 [ 35.399550] Call Trace: [ 35.399560] [] dump_stack+0xc1/0x128 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399568] [] check_preemption_disabled+0x1d4/0x200 [ 35.399576] [] __this_cpu_preempt_check+0x1c/0x20 [ 35.399584] [] ipcomp_init_state+0x188/0x930 [ 35.399593] [] ? __lock_is_held+0xa1/0xf0 [ 35.399601] [] ipcomp4_init_state+0xb0/0x7d0 [ 35.399607] [] __xfrm_init_state+0x3e7/0xb30 [ 35.399614] [] xfrm_init_state+0x1a/0x20 [ 35.399621] [] pfkey_add+0x1fb9/0x3470 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399628] [] ? pfkey_delete+0x360/0x360 [ 35.399634] [] ? pfkey_seq_stop+0x80/0x80 [ 35.399642] [] ? __skb_clone+0x24a/0x7d0 [ 35.399648] [] ? pfkey_delete+0x360/0x360 [ 35.399654] [] pfkey_process+0x68b/0x750 [ 35.399661] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 35.399669] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.399676] [] pfkey_sendmsg+0x3a9/0x760 [ 35.399682] [] ? pfkey_spdget+0x820/0x820 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399689] [] sock_sendmsg+0xca/0x110 [ 35.399697] [] ___sys_sendmsg+0x6d1/0x7e0 [ 35.399704] [] ? copy_msghdr_from_user+0x550/0x550 [ 35.399714] [] ? __lru_cache_add+0x187/0x250 [ 35.399724] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 35.399731] [] ? _raw_spin_unlock+0x2c/0x50 [ 35.399739] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399746] [] ? handle_mm_fault+0x6ee/0x2530 [ 35.399753] [] ? __lock_is_held+0xa1/0xf0 [ 35.399759] [] ? __pmd_alloc+0x410/0x410 [ 35.399766] [] ? __fget_light+0x158/0x1e0 [ 35.399772] [] ? __fdget+0x18/0x20 [ 35.399779] [] __sys_sendmsg+0xd6/0x190 [ 35.399785] [] ? SyS_shutdown+0x1b0/0x1b0 [ 35.399792] [] ? __do_page_fault+0x5ec/0xd40 [ 35.399800] [] ? __do_page_fault+0x3bd/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.399807] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 35.399813] [] SyS_sendmsg+0x2d/0x50 [ 35.399820] [] entry_SYSCALL_64_fastpath+0x29/0xe8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program