[....] Starting enhanced syslogd: rsyslogd[ 13.628058] audit: type=1400 audit(1515869508.207:4): avc: denied { syslog } for pid=3181 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 26.590844] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 26.599597] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.605047] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 26.612732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.622056] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 26.630019] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 26.637979] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 26.645942] Call Trace: [ 26.648501] [] dump_stack+0xc1/0x128 [ 26.653840] [] check_preemption_disabled+0x1d4/0x200 [ 26.660579] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.667044] [] ipcomp_init_state+0x188/0x930 [ 26.673073] [] ? __lock_is_held+0xa1/0xf0 [ 26.678838] [] ipcomp6_init_state+0xb5/0x820 [ 26.684863] [] ? __xfrm_init_state+0x363/0xb30 [ 26.691061] [] __xfrm_init_state+0x3e7/0xb30 [ 26.697088] [] xfrm_init_state+0x1a/0x20 [ 26.702769] [] pfkey_add+0x1fb9/0x3470 [ 26.708285] [] ? pfkey_delete+0x360/0x360 [ 26.714049] [] ? pfkey_seq_stop+0x80/0x80 [ 26.719817] [] ? __skb_clone+0x24a/0x7d0 [ 26.725497] [] ? pfkey_delete+0x360/0x360 [ 26.731265] [] pfkey_process+0x61e/0x730 [ 26.736943] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 26.743753] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 26.750569] [] pfkey_sendmsg+0x3a9/0x760 [ 26.756263] [] ? pfkey_spdget+0x820/0x820 [ 26.762028] [] sock_sendmsg+0xca/0x110 [ 26.767534] [] ___sys_sendmsg+0x6d1/0x7e0 [ 26.773304] [] ? copy_msghdr_from_user+0x550/0x550 [ 26.779854] [] ? __lock_is_held+0xa1/0xf0 [ 26.785643] [] ? __lru_cache_add+0x187/0x250 [ 26.791668] [] ? lru_cache_add+0xd9/0x1e0 [ 26.797442] [] ? handle_mm_fault+0xb12/0x2530 [ 26.803562] [] ? _raw_spin_unlock+0x2c/0x50 [ 26.809503] [] ? handle_mm_fault+0x6ee/0x2530 [ 26.815618] [] ? __fget_light+0x158/0x1e0 [ 26.821397] [] ? __fdget+0x18/0x20 [ 26.826559] [] ? sockfd_lookup_light+0x118/0x160 [ 26.832935] [] __sys_sendmsg+0xd6/0x190 executing program [ 26.838526] [] ? SyS_shutdown+0x1b0/0x1b0 [ 26.844297] [] ? __do_page_fault+0x5ec/0xd40 [ 26.850325] [] compat_SyS_sendmsg+0x2a/0x40 [ 26.856267] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 26.862817] [] do_fast_syscall_32+0x2f7/0x890 [ 26.868942] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.875585] [] entry_SYSENTER_compat+0x74/0x83 [ 26.884809] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 26.893573] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.898999] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 26.906680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.916009] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 26.923973] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 26.931963] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 26.939931] Call Trace: [ 26.942493] [] dump_stack+0xc1/0x128 [ 26.947831] [] check_preemption_disabled+0x1d4/0x200 [ 26.954552] [] __this_cpu_preempt_check+0x1c/0x20 [ 26.961016] [] ipcomp_init_state+0x188/0x930 [ 26.967045] [] ? __lock_is_held+0xa1/0xf0 [ 26.972812] [] ipcomp6_init_state+0xb5/0x820 [ 26.978839] [] ? __xfrm_init_state+0x363/0xb30 [ 26.985038] [] __xfrm_init_state+0x3e7/0xb30 [ 26.991061] [] xfrm_init_state+0x1a/0x20 [ 26.996745] [] pfkey_add+0x1fb9/0x3470 [ 27.002248] [] ? pfkey_delete+0x360/0x360 [ 27.008013] [] ? pfkey_seq_stop+0x80/0x80 [ 27.013781] [] ? __skb_clone+0x24a/0x7d0 [ 27.019462] [] ? pfkey_delete+0x360/0x360 [ 27.025241] [] pfkey_process+0x61e/0x730 [ 27.030919] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.037730] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.044540] [] pfkey_sendmsg+0x3a9/0x760 [ 27.050223] [] ? pfkey_spdget+0x820/0x820 [ 27.055992] [] sock_sendmsg+0xca/0x110 [ 27.061496] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.067265] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.073815] [] ? __lock_is_held+0xa1/0xf0 [ 27.079581] [] ? __lru_cache_add+0x187/0x250 [ 27.085606] [] ? lru_cache_add+0xd9/0x1e0 [ 27.091372] [] ? handle_mm_fault+0xb12/0x2530 [ 27.097489] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.103428] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.109543] [] ? __fget_light+0x158/0x1e0 [ 27.115308] [] ? __fdget+0x18/0x20 [ 27.120467] [] ? sockfd_lookup_light+0x118/0x160 [ 27.126839] [] __sys_sendmsg+0xd6/0x190 [ 27.132432] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 27.138202] [] ? __do_page_fault+0x5ec/0xd40 [ 27.144238] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.150177] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.156727] [] do_fast_syscall_32+0x2f7/0x890 [ 27.162845] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.169485] [] entry_SYSENTER_compat+0x74/0x83 [ 27.177931] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 27.186621] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.192045] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 27.199721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.209045] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.217019] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 27.224984] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 27.232953] Call Trace: [ 27.235510] [] dump_stack+0xc1/0x128 [ 27.240845] [] check_preemption_disabled+0x1d4/0x200 [ 27.247564] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.254029] [] ipcomp_init_state+0x188/0x930 [ 27.260061] [] ? __lock_is_held+0xa1/0xf0 [ 27.265831] [] ipcomp6_init_state+0xb5/0x820 [ 27.271858] [] ? __xfrm_init_state+0x363/0xb30 [ 27.278059] [] __xfrm_init_state+0x3e7/0xb30 [ 27.284083] [] xfrm_init_state+0x1a/0x20 [ 27.289772] [] pfkey_add+0x1fb9/0x3470 [ 27.295279] [] ? pfkey_delete+0x360/0x360 [ 27.301045] [] ? pfkey_seq_stop+0x80/0x80 [ 27.306813] [] ? __skb_clone+0x24a/0x7d0 [ 27.312493] [] ? pfkey_delete+0x360/0x360 [ 27.318262] [] pfkey_process+0x61e/0x730 [ 27.323943] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.330753] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.337565] [] pfkey_sendmsg+0x3a9/0x760 [ 27.343243] [] ? pfkey_spdget+0x820/0x820 [ 27.349030] [] sock_sendmsg+0xca/0x110 [ 27.354537] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.360305] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.366867] [] ? __lock_is_held+0xa1/0xf0 [ 27.372646] [] ? __lru_cache_add+0x187/0x250 [ 27.378688] [] ? lru_cache_add+0xd9/0x1e0 [ 27.384458] [] ? handle_mm_fault+0xb12/0x2530 [ 27.390580] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.396522] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.402637] [] ? __fget_light+0x158/0x1e0 [ 27.408401] [] ? __fdget+0x18/0x20 [ 27.413568] [] ? sockfd_lookup_light+0x118/0x160 [ 27.419953] [] __sys_sendmsg+0xd6/0x190 [ 27.425544] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.431315] [] ? __do_page_fault+0x5ec/0xd40 [ 27.437344] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 27.443286] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.449835] [] do_fast_syscall_32+0x2f7/0x890 [ 27.455958] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.462595] [] entry_SYSENTER_compat+0x74/0x83 [ 27.470755] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 27.479489] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.484940] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 27.492633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.501963] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.509926] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 27.517894] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 27.525868] Call Trace: [ 27.528434] [] dump_stack+0xc1/0x128 [ 27.533770] [] check_preemption_disabled+0x1d4/0x200 [ 27.540491] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.546953] [] ipcomp_init_state+0x188/0x930 [ 27.552980] [] ? __lock_is_held+0xa1/0xf0 [ 27.558746] [] ipcomp6_init_state+0xb5/0x820 [ 27.564778] [] ? __xfrm_init_state+0x363/0xb30 [ 27.570978] [] __xfrm_init_state+0x3e7/0xb30 [ 27.577002] [] xfrm_init_state+0x1a/0x20 [ 27.582681] [] pfkey_add+0x1fb9/0x3470 [ 27.588193] [] ? pfkey_delete+0x360/0x360 [ 27.593957] [] ? pfkey_seq_stop+0x80/0x80 [ 27.599728] [] ? __skb_clone+0x24a/0x7d0 [ 27.605408] [] ? pfkey_delete+0x360/0x360 [ 27.611174] [] pfkey_process+0x61e/0x730 [ 27.616855] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.623665] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.630473] [] pfkey_sendmsg+0x3a9/0x760 [ 27.636152] [] ? pfkey_spdget+0x820/0x820 [ 27.641920] [] sock_sendmsg+0xca/0x110 [ 27.647425] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.653192] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.659739] [] ? __lock_is_held+0xa1/0xf0 [ 27.665507] [] ? __lru_cache_add+0x187/0x250 [ 27.671531] [] ? lru_cache_add+0xd9/0x1e0 [ 27.677297] [] ? handle_mm_fault+0xb12/0x2530 [ 27.683411] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.689348] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.695465] [] ? __fget_light+0x158/0x1e0 [ 27.701229] [] ? __fdget+0x18/0x20 [ 27.706392] [] ? sockfd_lookup_light+0x118/0x160 [ 27.712772] [] __sys_sendmsg+0xd6/0x190 [ 27.718369] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.724142] [] ? __do_page_fault+0x5ec/0xd40 [ 27.730194] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.736146] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 27.742700] [] do_fast_syscall_32+0x2f7/0x890 [ 27.748812] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.755460] [] entry_SYSENTER_compat+0x74/0x83 [ 27.763762] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 27.772428] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.777907] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 27.785590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.794918] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.802894] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 27.810866] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 27.818864] Call Trace: [ 27.821427] [] dump_stack+0xc1/0x128 [ 27.826764] [] check_preemption_disabled+0x1d4/0x200 [ 27.833489] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.839953] [] ipcomp_init_state+0x188/0x930 [ 27.845989] [] ? __lock_is_held+0xa1/0xf0 [ 27.851757] [] ipcomp6_init_state+0xb5/0x820 [ 27.857783] [] ? __xfrm_init_state+0x363/0xb30 [ 27.863982] [] __xfrm_init_state+0x3e7/0xb30 [ 27.870006] [] xfrm_init_state+0x1a/0x20 [ 27.875687] [] pfkey_add+0x1fb9/0x3470 [ 27.881191] [] ? pfkey_delete+0x360/0x360 [ 27.886955] [] ? pfkey_seq_stop+0x80/0x80 [ 27.892723] [] ? __skb_clone+0x24a/0x7d0 [ 27.898403] [] ? pfkey_delete+0x360/0x360 [ 27.904169] [] pfkey_process+0x61e/0x730 [ 27.909855] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.916685] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.923504] [] pfkey_sendmsg+0x3a9/0x760 [ 27.929192] [] ? pfkey_spdget+0x820/0x820 [ 27.934968] [] sock_sendmsg+0xca/0x110 [ 27.940477] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.946243] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.952794] [] ? __lock_is_held+0xa1/0xf0 [ 27.958564] [] ? __lru_cache_add+0x187/0x250 [ 27.964591] [] ? lru_cache_add+0xd9/0x1e0 [ 27.970359] [] ? handle_mm_fault+0xb12/0x2530 [ 27.976475] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.982416] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.988548] [] ? __fget_light+0x158/0x1e0 [ 27.994319] [] ? __fdget+0x18/0x20 [ 27.999483] [] ? sockfd_lookup_light+0x118/0x160 [ 28.005863] [] __sys_sendmsg+0xd6/0x190 [ 28.011455] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.017231] [] ? __do_page_fault+0x5ec/0xd40 [ 28.023262] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.029201] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.035756] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 28.041878] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.048520] [] entry_SYSENTER_compat+0x74/0x83 [ 28.056509] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 28.065209] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.070633] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 28.078308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.087635] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.095650] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 28.103629] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 28.111604] Call Trace: [ 28.114773] [] dump_stack+0xc1/0x128 [ 28.120110] [] check_preemption_disabled+0x1d4/0x200 [ 28.126833] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.133299] [] ipcomp_init_state+0x188/0x930 [ 28.139332] [] ? __lock_is_held+0xa1/0xf0 [ 28.145097] [] ipcomp6_init_state+0xb5/0x820 [ 28.151121] [] ? __xfrm_init_state+0x363/0xb30 [ 28.157326] [] __xfrm_init_state+0x3e7/0xb30 [ 28.163357] [] xfrm_init_state+0x1a/0x20 [ 28.169035] [] pfkey_add+0x1fb9/0x3470 [ 28.174543] [] ? pfkey_delete+0x360/0x360 [ 28.180307] [] ? pfkey_seq_stop+0x80/0x80 [ 28.186074] [] ? __skb_clone+0x24a/0x7d0 [ 28.191756] [] ? pfkey_delete+0x360/0x360 [ 28.197529] [] pfkey_process+0x61e/0x730 [ 28.203217] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.210041] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.216859] [] pfkey_sendmsg+0x3a9/0x760 [ 28.222542] [] ? pfkey_spdget+0x820/0x820 [ 28.228315] [] sock_sendmsg+0xca/0x110 [ 28.233836] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.239604] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.246157] [] ? __lock_is_held+0xa1/0xf0 [ 28.251926] [] ? __lru_cache_add+0x187/0x250 [ 28.257960] [] ? lru_cache_add+0xd9/0x1e0 [ 28.263726] [] ? handle_mm_fault+0xb12/0x2530 [ 28.269851] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.275791] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.281905] [] ? __fget_light+0x158/0x1e0 [ 28.287683] [] ? __fdget+0x18/0x20 executing program [ 28.292853] [] ? sockfd_lookup_light+0x118/0x160 [ 28.299229] [] __sys_sendmsg+0xd6/0x190 [ 28.304846] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.310626] [] ? __do_page_fault+0x5ec/0xd40 [ 28.316664] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.322612] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.329190] [] do_fast_syscall_32+0x2f7/0x890 [ 28.335309] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.341944] [] entry_SYSENTER_compat+0x74/0x83 [ 28.350080] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 28.358790] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.364255] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 28.371939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.381283] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.389276] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 28.397253] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 28.405235] Call Trace: [ 28.407798] [] dump_stack+0xc1/0x128 [ 28.413151] [] check_preemption_disabled+0x1d4/0x200 [ 28.419878] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.426351] [] ipcomp_init_state+0x188/0x930 [ 28.432383] [] ? __lock_is_held+0xa1/0xf0 [ 28.438174] [] ipcomp6_init_state+0xb5/0x820 [ 28.444205] [] ? __xfrm_init_state+0x363/0xb30 [ 28.450402] [] __xfrm_init_state+0x3e7/0xb30 [ 28.456427] [] xfrm_init_state+0x1a/0x20 [ 28.462110] [] pfkey_add+0x1fb9/0x3470 [ 28.467618] [] ? pfkey_delete+0x360/0x360 [ 28.473383] [] ? pfkey_seq_stop+0x80/0x80 [ 28.479162] [] ? __skb_clone+0x24a/0x7d0 [ 28.484857] [] ? pfkey_delete+0x360/0x360 [ 28.490632] [] pfkey_process+0x61e/0x730 [ 28.496316] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.503154] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.509970] [] pfkey_sendmsg+0x3a9/0x760 [ 28.515649] [] ? pfkey_spdget+0x820/0x820 [ 28.521433] [] sock_sendmsg+0xca/0x110 [ 28.526964] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.532733] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.539282] [] ? __lock_is_held+0xa1/0xf0 [ 28.545048] [] ? __lru_cache_add+0x187/0x250 [ 28.551084] [] ? lru_cache_add+0xd9/0x1e0 [ 28.556852] [] ? handle_mm_fault+0xb12/0x2530 [ 28.562970] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.568907] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.575019] [] ? __fget_light+0x158/0x1e0 [ 28.580783] [] ? __fdget+0x18/0x20 [ 28.585942] [] ? sockfd_lookup_light+0x118/0x160 [ 28.592328] [] __sys_sendmsg+0xd6/0x190 executing program [ 28.597926] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.603700] [] ? __do_page_fault+0x5ec/0xd40 [ 28.609736] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.615680] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.622229] [] do_fast_syscall_32+0x2f7/0x890 [ 28.628360] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.635003] [] entry_SYSENTER_compat+0x74/0x83 [ 28.643191] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 28.651852] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.657359] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 28.665047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.674377] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.682349] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 28.690330] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 28.698295] Call Trace: [ 28.700858] [] dump_stack+0xc1/0x128 [ 28.706194] [] check_preemption_disabled+0x1d4/0x200 [ 28.712935] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.719425] [] ipcomp_init_state+0x188/0x930 [ 28.725456] [] ? __lock_is_held+0xa1/0xf0 [ 28.731223] [] ipcomp6_init_state+0xb5/0x820 [ 28.737253] [] ? __xfrm_init_state+0x363/0xb30 [ 28.743453] [] __xfrm_init_state+0x3e7/0xb30 [ 28.749488] [] xfrm_init_state+0x1a/0x20 [ 28.755171] [] pfkey_add+0x1fb9/0x3470 [ 28.760688] [] ? pfkey_delete+0x360/0x360 [ 28.766460] [] ? pfkey_seq_stop+0x80/0x80 [ 28.772235] [] ? __skb_clone+0x24a/0x7d0 [ 28.777924] [] ? pfkey_delete+0x360/0x360 [ 28.783692] [] pfkey_process+0x61e/0x730 [ 28.789373] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.796193] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.803010] [] pfkey_sendmsg+0x3a9/0x760 [ 28.808693] [] ? pfkey_spdget+0x820/0x820 [ 28.814469] [] sock_sendmsg+0xca/0x110 [ 28.819992] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.825784] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.832342] [] ? __lock_is_held+0xa1/0xf0 [ 28.838133] [] ? __lru_cache_add+0x187/0x250 [ 28.844174] [] ? lru_cache_add+0xd9/0x1e0 [ 28.849941] [] ? handle_mm_fault+0xb12/0x2530 [ 28.856063] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.862006] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.868123] [] ? __fget_light+0x158/0x1e0 [ 28.873902] [] ? __fdget+0x18/0x20 [ 28.879068] [] ? sockfd_lookup_light+0x118/0x160 [ 28.885448] [] __sys_sendmsg+0xd6/0x190 [ 28.891045] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.896819] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 28.902903] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.908865] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.915426] [] do_fast_syscall_32+0x2f7/0x890 [ 28.921548] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.928198] [] entry_SYSENTER_compat+0x74/0x83 [ 28.936228] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 28.944918] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.950343] CPU: 0 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 28.958022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.967354] ffff8801c7c9f658 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.975316] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 28.983284] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 28.991251] Call Trace: [ 28.993816] [] dump_stack+0xc1/0x128 [ 28.999154] [] check_preemption_disabled+0x1d4/0x200 [ 29.005889] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.012362] [] ipcomp_init_state+0x188/0x930 [ 29.018409] [] ? __lock_is_held+0xa1/0xf0 [ 29.024186] [] ipcomp6_init_state+0xb5/0x820 [ 29.030222] [] ? __xfrm_init_state+0x363/0xb30 [ 29.036440] [] __xfrm_init_state+0x3e7/0xb30 [ 29.042473] [] xfrm_init_state+0x1a/0x20 [ 29.048160] [] pfkey_add+0x1fb9/0x3470 [ 29.053670] [] ? pfkey_delete+0x360/0x360 [ 29.059439] [] ? pfkey_seq_stop+0x80/0x80 [ 29.065210] [] ? __skb_clone+0x24a/0x7d0 [ 29.070889] [] ? pfkey_delete+0x360/0x360 [ 29.076654] [] pfkey_process+0x61e/0x730 [ 29.082334] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.089144] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.095953] [] pfkey_sendmsg+0x3a9/0x760 [ 29.101633] [] ? pfkey_spdget+0x820/0x820 [ 29.107399] [] sock_sendmsg+0xca/0x110 [ 29.112906] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.118672] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.125221] [] ? __lock_is_held+0xa1/0xf0 [ 29.130990] [] ? __lru_cache_add+0x187/0x250 [ 29.137015] [] ? lru_cache_add+0xd9/0x1e0 [ 29.142782] [] ? handle_mm_fault+0xb12/0x2530 [ 29.148899] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.154836] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.160950] [] ? __fget_light+0x158/0x1e0 [ 29.166716] [] ? __fdget+0x18/0x20 [ 29.171877] [] ? sockfd_lookup_light+0x118/0x160 [ 29.178253] [] __sys_sendmsg+0xd6/0x190 [ 29.183848] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.189614] [] ? __do_page_fault+0x5ec/0xd40 [ 29.195645] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 29.201585] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.208136] [] do_fast_syscall_32+0x2f7/0x890 [ 29.214249] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.220883] [] entry_SYSENTER_compat+0x74/0x83 [ 29.228838] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller280127/3337 [ 29.237561] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.243022] CPU: 1 PID: 3337 Comm: syzkaller280127 Not tainted 4.9.76-g8e170a5 #21 [ 29.250713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.260045] ffff8801c7c9f658 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 29.268014] ffffffff83f44900 ffff8801ca484800 0000000000000003 ffff8801c7c9f698 [ 29.275977] ffffffff81dfa714 ffff8801c7c9f6b0 ffffffff83f44900 dffffc0000000000 [ 29.283944] Call Trace: [ 29.286507] [] dump_stack+0xc1/0x128 [ 29.291843] [] check_preemption_disabled+0x1d4/0x200 [ 29.298566] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.305029] [] ipcomp_init_state+0x188/0x930 [ 29.311061] [] ? __lock_is_held+0xa1/0xf0 [ 29.316828] [] ipcomp6_init_state+0xb5/0x820 [ 29.322854] [] ? __xfrm_init_state+0x363/0xb30 [ 29.329057] [] __xfrm_init_state+0x3e7/0xb30 [ 29.335084] [] xfrm_init_state+0x1a/0x20 [ 29.340765] [] pfkey_add+0x1fb9/0x3470 [ 29.346273] [] ? pfkey_delete+0x360/0x360 [ 29.352037] [] ? pfkey_seq_stop+0x80/0x80 [ 29.357806] [] ? __skb_clone+0x24a/0x7d0 [ 29.363487] [] ? pfkey_delete+0x360/0x360 [ 29.369255] [] pfkey_process+0x61e/0x730 [ 29.374935] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.381745] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.388556] [] pfkey_sendmsg+0x3a9/0x760 [ 29.394234] [] ? pfkey_spdget+0x820/0x820 [ 29.400001] [] sock_sendmsg+0xca/0x110 [ 29.405512] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.411279] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.417828] [] ? __lock_is_held+0xa1/0xf0 [ 29.423598] [] ? __lru_cache_add+0x187/0x250 [ 29.429624] [] ? lru_cache_add+0xd9/0x1e0 [ 29.435389] [] ? handle_mm_fault+0xb12/0x2530 [ 29.441505] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.447445] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.453569] [] ? __fget_light+0x158/0x1e0 [ 29.459332] [] ? __fdget+0x18/0x20 [ 29.464516] [] ? sockfd_lookup_light+0x118/0x160 [ 29.470889] [] __sys_sendmsg+0xd6/0x190 [ 29.476483] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.482249] [] ? __do_page_fault+0x5ec/0xd40 [ 29.488293] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.494243] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.500791] [] do_fast_syscall_32+0x2f7/0x890 [ 29.506905] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.513543] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program