[....] Starting enhanced syslogd: rsyslogd[ 10.617231] audit: type=1400 audit(1516872146.187:4): avc: denied { syslog } for pid=3168 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] 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 '10.128.15.217' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 29.335126] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 29.336500] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.337251] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 29.338281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.339577] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 29.340875] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 29.342227] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 29.343534] Call Trace: [ 29.343960] [] dump_stack+0xc1/0x128 [ 29.345097] [] check_preemption_disabled+0x1d4/0x200 [ 29.346042] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.346920] [] ipcomp_init_state+0x188/0x930 [ 29.347783] [] ? __lock_is_held+0xa1/0xf0 [ 29.348630] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.349536] [] __xfrm_init_state+0x3e7/0xb30 [ 29.350372] [] xfrm_init_state+0x1a/0x20 [ 29.351185] [] pfkey_add+0x1fb9/0x3470 [ 29.351939] [] ? pfkey_delete+0x360/0x360 [ 29.352793] [] ? pfkey_seq_stop+0x80/0x80 [ 29.353602] [] ? __skb_clone+0x24a/0x7d0 [ 29.354380] [] ? pfkey_delete+0x360/0x360 [ 29.355234] [] pfkey_process+0x68b/0x750 [ 29.360652] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.367562] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.374375] [] pfkey_sendmsg+0x3a9/0x760 [ 29.380073] [] ? pfkey_spdget+0x820/0x820 [ 29.385845] [] sock_sendmsg+0xca/0x110 [ 29.391354] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.397128] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.403683] [] ? __lru_cache_add+0x187/0x250 [ 29.409719] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.416798] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.422747] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.429911] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.436043] [] ? __lock_is_held+0xa1/0xf0 [ 29.442307] [] ? __pmd_alloc+0x410/0x410 [ 29.447996] [] ? __fget_light+0x158/0x1e0 [ 29.453778] [] ? __fdget+0x18/0x20 [ 29.459033] [] __sys_sendmsg+0xd6/0x190 [ 29.464630] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.470405] [] ? __do_page_fault+0x5ec/0xd40 [ 29.476445] [] ? __do_page_fault+0x3bd/0xd40 executing program [ 29.482499] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.489339] [] SyS_sendmsg+0x2d/0x50 [ 29.494684] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 29.504785] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 29.513495] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.519063] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 29.526745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.536080] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 29.544068] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 29.552078] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 29.560066] Call Trace: [ 29.562633] [] dump_stack+0xc1/0x128 [ 29.567973] [] check_preemption_disabled+0x1d4/0x200 [ 29.574710] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.581181] [] ipcomp_init_state+0x188/0x930 [ 29.587217] [] ? __lock_is_held+0xa1/0xf0 [ 29.593253] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.599374] [] __xfrm_init_state+0x3e7/0xb30 [ 29.605408] [] xfrm_init_state+0x1a/0x20 [ 29.611101] [] pfkey_add+0x1fb9/0x3470 [ 29.616623] [] ? pfkey_delete+0x360/0x360 [ 29.622396] [] ? pfkey_seq_stop+0x80/0x80 [ 29.628184] [] ? __skb_clone+0x24a/0x7d0 [ 29.633871] [] ? pfkey_delete+0x360/0x360 [ 29.639660] [] pfkey_process+0x68b/0x750 [ 29.645366] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.652189] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.659012] [] pfkey_sendmsg+0x3a9/0x760 [ 29.664698] [] ? pfkey_spdget+0x820/0x820 [ 29.670473] [] sock_sendmsg+0xca/0x110 [ 29.675986] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.681761] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.688326] [] ? __lru_cache_add+0x187/0x250 [ 29.694363] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.701440] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.707388] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.714474] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.720595] [] ? __lock_is_held+0xa1/0xf0 [ 29.726378] [] ? __pmd_alloc+0x410/0x410 executing program [ 29.732072] [] ? __fget_light+0x158/0x1e0 [ 29.737845] [] ? __fdget+0x18/0x20 [ 29.743009] [] __sys_sendmsg+0xd6/0x190 [ 29.748606] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.754379] [] ? __do_page_fault+0x5ec/0xd40 [ 29.760424] [] ? __do_page_fault+0x3bd/0xd40 [ 29.766467] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.773458] [] SyS_sendmsg+0x2d/0x50 [ 29.778803] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 29.788007] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 29.796731] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.802162] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 29.809844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.819197] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 29.827179] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 29.835163] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 29.843151] Call Trace: [ 29.845734] [] dump_stack+0xc1/0x128 [ 29.851089] [] check_preemption_disabled+0x1d4/0x200 [ 29.857818] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.864284] [] ipcomp_init_state+0x188/0x930 [ 29.870320] [] ? __lock_is_held+0xa1/0xf0 [ 29.876096] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.882130] [] __xfrm_init_state+0x3e7/0xb30 [ 29.888168] [] xfrm_init_state+0x1a/0x20 [ 29.893866] [] pfkey_add+0x1fb9/0x3470 [ 29.899384] [] ? pfkey_delete+0x360/0x360 [ 29.905178] [] ? pfkey_seq_stop+0x80/0x80 [ 29.910951] [] ? __skb_clone+0x24a/0x7d0 [ 29.916638] [] ? pfkey_delete+0x360/0x360 [ 29.922416] [] pfkey_process+0x68b/0x750 [ 29.928116] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.934937] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.941753] [] pfkey_sendmsg+0x3a9/0x760 [ 29.947439] [] ? pfkey_spdget+0x820/0x820 [ 29.953213] [] sock_sendmsg+0xca/0x110 [ 29.958737] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.964510] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.971080] [] ? __lru_cache_add+0x187/0x250 [ 29.977114] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.984190] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.990149] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.997229] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.003356] [] ? __lock_is_held+0xa1/0xf0 [ 30.009130] [] ? __pmd_alloc+0x410/0x410 [ 30.014818] [] ? __fget_light+0x158/0x1e0 [ 30.020603] [] ? __fdget+0x18/0x20 [ 30.025774] [] __sys_sendmsg+0xd6/0x190 [ 30.031377] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 30.037167] [] ? __do_page_fault+0x5ec/0xd40 [ 30.043199] [] ? __do_page_fault+0x3bd/0xd40 [ 30.049238] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.056063] [] SyS_sendmsg+0x2d/0x50 [ 30.061401] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 30.070424] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 30.079149] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.084611] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 30.092293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.101627] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 30.109605] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 30.117577] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 30.125550] Call Trace: [ 30.128115] [] dump_stack+0xc1/0x128 [ 30.133455] [] check_preemption_disabled+0x1d4/0x200 [ 30.140180] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.146649] [] ipcomp_init_state+0x188/0x930 [ 30.152702] [] ? __lock_is_held+0xa1/0xf0 [ 30.158494] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.164527] [] __xfrm_init_state+0x3e7/0xb30 [ 30.170555] [] xfrm_init_state+0x1a/0x20 [ 30.176242] [] pfkey_add+0x1fb9/0x3470 [ 30.181767] [] ? pfkey_delete+0x360/0x360 [ 30.187548] [] ? pfkey_seq_stop+0x80/0x80 [ 30.193327] [] ? __skb_clone+0x24a/0x7d0 [ 30.199016] [] ? pfkey_delete+0x360/0x360 [ 30.204787] [] pfkey_process+0x68b/0x750 [ 30.210472] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.217284] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.224093] [] pfkey_sendmsg+0x3a9/0x760 [ 30.229773] [] ? pfkey_spdget+0x820/0x820 [ 30.235555] [] sock_sendmsg+0xca/0x110 [ 30.241061] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.246829] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.253384] [] ? __lru_cache_add+0x187/0x250 [ 30.259424] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.266495] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.273335] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.280420] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.286566] [] ? __lock_is_held+0xa1/0xf0 [ 30.292337] [] ? __pmd_alloc+0x410/0x410 [ 30.298023] [] ? __fget_light+0x158/0x1e0 [ 30.303791] [] ? __fdget+0x18/0x20 [ 30.308952] [] __sys_sendmsg+0xd6/0x190 [ 30.314547] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.320338] [] ? __do_page_fault+0x5ec/0xd40 [ 30.326371] [] ? __do_page_fault+0x3bd/0xd40 [ 30.332411] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program [ 30.339226] [] SyS_sendmsg+0x2d/0x50 [ 30.344564] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 30.353782] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 30.362458] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.367946] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 30.375631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.385717] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 30.393700] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 30.401681] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 30.409648] Call Trace: [ 30.412212] [] dump_stack+0xc1/0x128 [ 30.417546] [] check_preemption_disabled+0x1d4/0x200 [ 30.424273] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.430738] [] ipcomp_init_state+0x188/0x930 [ 30.436769] [] ? __lock_is_held+0xa1/0xf0 [ 30.442542] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.448573] [] __xfrm_init_state+0x3e7/0xb30 [ 30.454602] [] xfrm_init_state+0x1a/0x20 [ 30.460289] [] pfkey_add+0x1fb9/0x3470 [ 30.465796] [] ? pfkey_delete+0x360/0x360 [ 30.471561] [] ? pfkey_seq_stop+0x80/0x80 [ 30.477334] [] ? __skb_clone+0x24a/0x7d0 [ 30.483015] [] ? pfkey_delete+0x360/0x360 [ 30.488784] [] pfkey_process+0x68b/0x750 [ 30.494468] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.501277] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.508096] [] pfkey_sendmsg+0x3a9/0x760 [ 30.513781] [] ? pfkey_spdget+0x820/0x820 [ 30.519569] [] sock_sendmsg+0xca/0x110 [ 30.525078] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.530860] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.537414] [] ? __lru_cache_add+0x187/0x250 [ 30.543445] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.550540] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.556496] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.563573] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.569700] [] ? __lock_is_held+0xa1/0xf0 [ 30.575474] [] ? __pmd_alloc+0x410/0x410 [ 30.581169] [] ? __fget_light+0x158/0x1e0 executing program [ 30.586939] [] ? __fdget+0x18/0x20 [ 30.592107] [] __sys_sendmsg+0xd6/0x190 [ 30.597702] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.603474] [] ? __do_page_fault+0x5ec/0xd40 [ 30.609503] [] ? __do_page_fault+0x3bd/0xd40 [ 30.615539] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.622355] [] SyS_sendmsg+0x2d/0x50 [ 30.627690] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 30.636727] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 30.645440] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.650887] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 30.658569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.667901] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 30.675892] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 30.683876] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 30.691848] Call Trace: [ 30.694410] [] dump_stack+0xc1/0x128 [ 30.699749] [] check_preemption_disabled+0x1d4/0x200 [ 30.706472] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.712938] [] ipcomp_init_state+0x188/0x930 [ 30.719000] [] ? __lock_is_held+0xa1/0xf0 [ 30.724864] [] ipcomp4_init_state+0xb0/0x7d0 [ 30.730900] [] __xfrm_init_state+0x3e7/0xb30 [ 30.736930] [] xfrm_init_state+0x1a/0x20 [ 30.742616] [] pfkey_add+0x1fb9/0x3470 [ 30.748153] [] ? pfkey_delete+0x360/0x360 [ 30.753923] [] ? pfkey_seq_stop+0x80/0x80 [ 30.759697] [] ? __skb_clone+0x24a/0x7d0 [ 30.765380] [] ? pfkey_delete+0x360/0x360 [ 30.771172] [] pfkey_process+0x68b/0x750 [ 30.776867] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 30.783678] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.790492] [] pfkey_sendmsg+0x3a9/0x760 [ 30.796175] [] ? pfkey_spdget+0x820/0x820 [ 30.801945] [] sock_sendmsg+0xca/0x110 [ 30.807456] [] ___sys_sendmsg+0x6d1/0x7e0 [ 30.813237] [] ? copy_msghdr_from_user+0x550/0x550 [ 30.819799] [] ? __lru_cache_add+0x187/0x250 [ 30.825846] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 30.832933] [] ? _raw_spin_unlock+0x2c/0x50 [ 30.838876] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 30.845950] [] ? handle_mm_fault+0x6ee/0x2530 [ 30.852085] [] ? __lock_is_held+0xa1/0xf0 [ 30.857860] [] ? __pmd_alloc+0x410/0x410 [ 30.863543] [] ? __fget_light+0x158/0x1e0 [ 30.869330] [] ? __fdget+0x18/0x20 [ 30.874505] [] __sys_sendmsg+0xd6/0x190 [ 30.880103] [] ? SyS_shutdown+0x1b0/0x1b0 [ 30.885879] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 30.891912] [] ? __do_page_fault+0x3bd/0xd40 [ 30.897950] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 30.904761] [] SyS_sendmsg+0x2d/0x50 [ 30.910105] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 30.919118] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 30.927823] caller is __this_cpu_preempt_check+0x1c/0x20 [ 30.933253] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 30.940930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.950257] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 30.958238] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 30.966221] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 30.974193] Call Trace: [ 30.976755] [] dump_stack+0xc1/0x128 [ 30.982092] [] check_preemption_disabled+0x1d4/0x200 [ 30.988831] [] __this_cpu_preempt_check+0x1c/0x20 [ 30.995300] [] ipcomp_init_state+0x188/0x930 [ 31.001334] [] ? __lock_is_held+0xa1/0xf0 [ 31.007103] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.013133] [] __xfrm_init_state+0x3e7/0xb30 [ 31.019160] [] xfrm_init_state+0x1a/0x20 [ 31.024847] [] pfkey_add+0x1fb9/0x3470 [ 31.030358] [] ? pfkey_delete+0x360/0x360 [ 31.036131] [] ? pfkey_seq_stop+0x80/0x80 [ 31.041902] [] ? __skb_clone+0x24a/0x7d0 [ 31.047585] [] ? pfkey_delete+0x360/0x360 [ 31.053351] [] pfkey_process+0x68b/0x750 [ 31.059047] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.065873] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.072685] [] pfkey_sendmsg+0x3a9/0x760 [ 31.078367] [] ? pfkey_spdget+0x820/0x820 [ 31.084141] [] sock_sendmsg+0xca/0x110 [ 31.089646] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.095426] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.101982] [] ? __lru_cache_add+0x187/0x250 [ 31.108014] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.115099] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.121044] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.128116] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.134237] [] ? __lock_is_held+0xa1/0xf0 [ 31.140023] [] ? __pmd_alloc+0x410/0x410 [ 31.145707] [] ? __fget_light+0x158/0x1e0 [ 31.151477] [] ? __fdget+0x18/0x20 [ 31.156655] [] __sys_sendmsg+0xd6/0x190 [ 31.162250] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.168028] [] ? __do_page_fault+0x5ec/0xd40 [ 31.174062] [] ? __do_page_fault+0x3bd/0xd40 [ 31.180106] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.186931] [] SyS_sendmsg+0x2d/0x50 executing program [ 31.192269] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 31.201868] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 31.210604] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.216074] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 31.223753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.233086] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 executing program executing program executing program executing program executing program executing program executing program [ 31.241066] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 31.250181] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 31.258160] Call Trace: [ 31.260725] [] dump_stack+0xc1/0x128 [ 31.266063] [] check_preemption_disabled+0x1d4/0x200 [ 31.272790] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.279260] [] ipcomp_init_state+0x188/0x930 [ 31.285311] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.285318] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.285322] [] __xfrm_init_state+0x3e7/0xb30 [ 31.285326] [] xfrm_init_state+0x1a/0x20 [ 31.285333] [] pfkey_add+0x1fb9/0x3470 [ 31.285341] [] ? pfkey_delete+0x360/0x360 [ 31.285345] [] ? pfkey_seq_stop+0x80/0x80 [ 31.285352] [] ? __skb_clone+0x24a/0x7d0 [ 31.285356] [] ? pfkey_delete+0x360/0x360 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.285359] [] pfkey_process+0x68b/0x750 [ 31.285363] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.285381] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.285387] [] pfkey_sendmsg+0x3a9/0x760 [ 31.285390] [] ? pfkey_spdget+0x820/0x820 [ 31.285396] [] sock_sendmsg+0xca/0x110 [ 31.285400] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.285404] [] ? copy_msghdr_from_user+0x550/0x550 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.285413] [] ? __lru_cache_add+0x187/0x250 [ 31.285420] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.285425] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.285429] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.285435] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.285439] [] ? __lock_is_held+0xa1/0xf0 [ 31.285442] [] ? __pmd_alloc+0x410/0x410 [ 31.285448] [] ? __fget_light+0x158/0x1e0 [ 31.285452] [] ? __fdget+0x18/0x20 [ 31.285455] [] __sys_sendmsg+0xd6/0x190 [ 31.285458] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.285465] [] ? __do_page_fault+0x5ec/0xd40 [ 31.285469] [] ? __do_page_fault+0x3bd/0xd40 [ 31.285473] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.285477] [] SyS_sendmsg+0x2d/0x50 [ 31.285481] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 31.289599] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 31.289611] caller is __this_cpu_preempt_check+0x1c/0x20 [ 31.289616] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 31.289619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.289627] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 31.289632] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 31.289637] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 31.289638] Call Trace: [ 31.289645] [] dump_stack+0xc1/0x128 [ 31.289650] [] check_preemption_disabled+0x1d4/0x200 [ 31.289654] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.289661] [] ipcomp_init_state+0x188/0x930 [ 31.289669] [] ? __lock_is_held+0xa1/0xf0 [ 31.289675] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.289679] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.289682] [] xfrm_init_state+0x1a/0x20 [ 31.289688] [] pfkey_add+0x1fb9/0x3470 [ 31.289692] [] ? pfkey_delete+0x360/0x360 [ 31.289695] [] ? pfkey_seq_stop+0x80/0x80 [ 31.289703] [] ? __skb_clone+0x24a/0x7d0 [ 31.289706] [] ? pfkey_delete+0x360/0x360 [ 31.289709] [] pfkey_process+0x68b/0x750 [ 31.289713] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.289717] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.289721] [] pfkey_sendmsg+0x3a9/0x760 [ 31.289724] [] ? pfkey_spdget+0x820/0x820 [ 31.289729] [] sock_sendmsg+0xca/0x110 [ 31.289733] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.289737] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.289746] [] ? __lru_cache_add+0x187/0x250 [ 31.289753] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 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 [ 31.289758] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.289762] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 31.289767] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.289770] [] ? __lock_is_held+0xa1/0xf0 [ 31.289774] [] ? __pmd_alloc+0x410/0x410 [ 31.289780] [] ? __fget_light+0x158/0x1e0 [ 31.289783] [] ? __fdget+0x18/0x20 [ 31.289786] [] __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 [ 31.289789] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.289796] [] ? __do_page_fault+0x5ec/0xd40 [ 31.289800] [] ? __do_page_fault+0x3bd/0xd40 [ 31.289804] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.289807] [] SyS_sendmsg+0x2d/0x50 [ 31.289811] [] entry_SYSCALL_64_fastpath+0x29/0xe8 [ 31.291896] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller017407/3326 [ 31.291905] 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 [ 31.291910] CPU: 1 PID: 3326 Comm: syzkaller017407 Not tainted 4.9.78-g29eadc4 #20 [ 31.291912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.291920] ffff8801c85d76d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 [ 31.291925] ffffffff83f45480 ffff8801cb4c8000 0000000000000003 ffff8801c85d7718 [ 31.291929] ffffffff81dfb974 ffff8801c85d7730 ffffffff83f45480 dffffc0000000000 [ 31.291930] Call Trace: [ 31.291937] [] 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 [ 31.291942] [] check_preemption_disabled+0x1d4/0x200 [ 31.291946] [] __this_cpu_preempt_check+0x1c/0x20 [ 31.291953] [] ipcomp_init_state+0x188/0x930 [ 31.291959] [] ? __lock_is_held+0xa1/0xf0 [ 31.291964] [] ipcomp4_init_state+0xb0/0x7d0 [ 31.291967] [] __xfrm_init_state+0x3e7/0xb30 [ 31.291971] [] xfrm_init_state+0x1a/0x20 [ 31.291976] [] 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 [ 31.291980] [] ? pfkey_delete+0x360/0x360 [ 31.291985] [] ? pfkey_seq_stop+0x80/0x80 [ 31.291993] [] ? __skb_clone+0x24a/0x7d0 [ 31.291997] [] ? pfkey_delete+0x360/0x360 [ 31.292006] [] pfkey_process+0x68b/0x750 [ 31.292012] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 31.292019] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.292024] [] pfkey_sendmsg+0x3a9/0x760 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.292029] [] ? pfkey_spdget+0x820/0x820 [ 31.292037] [] sock_sendmsg+0xca/0x110 [ 31.292043] [] ___sys_sendmsg+0x6d1/0x7e0 [ 31.292049] [] ? copy_msghdr_from_user+0x550/0x550 [ 31.292058] [] ? __lru_cache_add+0x187/0x250 [ 31.292066] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 31.292072] [] ? _raw_spin_unlock+0x2c/0x50 [ 31.292078] [] ? 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 [ 31.292084] [] ? handle_mm_fault+0x6ee/0x2530 [ 31.292090] [] ? __lock_is_held+0xa1/0xf0 [ 31.292095] [] ? __pmd_alloc+0x410/0x410 [ 31.292102] [] ? __fget_light+0x158/0x1e0 [ 31.292107] [] ? __fdget+0x18/0x20 [ 31.292113] [] __sys_sendmsg+0xd6/0x190 [ 31.292118] [] ? SyS_shutdown+0x1b0/0x1b0 [ 31.292125] [] ? __do_page_fault+0x5ec/0xd40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.292131] [] ? __do_page_fault+0x3bd/0xd40 [ 31.292137] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.292142] [] SyS_sendmsg+0x2d/0x50 [ 31.292148] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program