[....] Starting enhanced syslogd: rsyslogd[ 12.520124] audit: type=1400 audit(1515829657.662:4): avc: denied { syslog } for pid=3173 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 26.973434] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3344 [ 26.982204] caller is __this_cpu_preempt_check+0x1c/0x20 [ 26.987637] CPU: 1 PID: 3344 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 26.995312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.004635] ffff8801cd057668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 27.012611] ffffffff83f44900 ffff8801cd16c800 0000000000000003 ffff8801cd0576a8 [ 27.020558] ffffffff81dfa714 ffff8801cd0576c0 ffffffff83f44900 dffffc0000000000 [ 27.028507] Call Trace: [ 27.031063] [] dump_stack+0xc1/0x128 [ 27.036398] [] check_preemption_disabled+0x1d4/0x200 [ 27.043123] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.049583] [] ipcomp_init_state+0x188/0x930 [ 27.055613] [] ? __lock_is_held+0xa1/0xf0 [ 27.061374] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.067394] [] __xfrm_init_state+0x3e7/0xb30 [ 27.073418] [] xfrm_init_state+0x1a/0x20 [ 27.079096] [] pfkey_add+0x1fb9/0x3470 [ 27.084595] [] ? pfkey_delete+0x360/0x360 [ 27.090359] [] ? pfkey_seq_stop+0x80/0x80 [ 27.096121] [] ? __skb_clone+0x24a/0x7d0 [ 27.101794] [] ? pfkey_delete+0x360/0x360 [ 27.107555] [] pfkey_process+0x61e/0x730 [ 27.113230] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.120035] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.126840] [] pfkey_sendmsg+0x3a9/0x760 [ 27.132530] [] ? pfkey_spdget+0x820/0x820 [ 27.138291] [] sock_sendmsg+0xca/0x110 [ 27.143793] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.149553] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.156096] [] ? __lru_cache_add+0x187/0x250 [ 27.162118] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 27.169194] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.175142] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 27.182207] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.188316] [] ? __fget_light+0x158/0x1e0 [ 27.194075] [] ? __fdget+0x18/0x20 [ 27.199230] [] ? sockfd_lookup_light+0x118/0x160 [ 27.205598] [] __sys_sendmsg+0xd6/0x190 [ 27.211185] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.216949] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 27.222972] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.228908] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.235458] [] do_fast_syscall_32+0x2f7/0x890 [ 27.241567] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.248196] [] entry_SYSENTER_compat+0x74/0x83 [ 27.256180] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 [ 27.264909] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.270326] CPU: 0 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 27.277994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.287318] ffff8801cbf4f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.295282] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 [ 27.303228] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 [ 27.311167] Call Trace: [ 27.313721] [] dump_stack+0xc1/0x128 [ 27.319049] [] check_preemption_disabled+0x1d4/0x200 [ 27.325767] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.332224] [] ipcomp_init_state+0x188/0x930 [ 27.338243] [] ? __lock_is_held+0xa1/0xf0 [ 27.344003] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.350024] [] __xfrm_init_state+0x3e7/0xb30 [ 27.356049] [] xfrm_init_state+0x1a/0x20 [ 27.362160] [] pfkey_add+0x1fb9/0x3470 [ 27.367659] [] ? pfkey_delete+0x360/0x360 [ 27.373419] [] ? pfkey_seq_stop+0x80/0x80 [ 27.379179] [] ? __skb_clone+0x24a/0x7d0 [ 27.384851] [] ? pfkey_delete+0x360/0x360 [ 27.390609] [] pfkey_process+0x61e/0x730 [ 27.396283] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.403099] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.409903] [] pfkey_sendmsg+0x3a9/0x760 [ 27.415583] [] ? pfkey_spdget+0x820/0x820 [ 27.421346] [] sock_sendmsg+0xca/0x110 [ 27.426845] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.432613] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.439162] [] ? __lru_cache_add+0x187/0x250 [ 27.445186] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 27.452264] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.458206] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 27.465267] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.471381] [] ? __fget_light+0x158/0x1e0 [ 27.477143] [] ? __fdget+0x18/0x20 [ 27.482299] [] ? sockfd_lookup_light+0x118/0x160 [ 27.488666] [] __sys_sendmsg+0xd6/0x190 [ 27.494256] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.500021] [] ? __do_page_fault+0x5ec/0xd40 [ 27.506044] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.511980] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.518524] [] do_fast_syscall_32+0x2f7/0x890 executing program [ 27.524630] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.531259] [] entry_SYSENTER_compat+0x74/0x83 [ 27.538472] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3343 [ 27.547159] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.552617] CPU: 0 PID: 3343 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 27.560297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.569615] ffff8801cd07f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.577571] ffffffff83f44900 ffff8801cd16b000 0000000000000003 ffff8801cd07f6a8 [ 27.585518] ffffffff81dfa714 ffff8801cd07f6c0 ffffffff83f44900 dffffc0000000000 [ 27.593461] Call Trace: [ 27.596017] [] dump_stack+0xc1/0x128 [ 27.601344] [] check_preemption_disabled+0x1d4/0x200 [ 27.608060] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.614519] [] ipcomp_init_state+0x188/0x930 [ 27.620540] [] ? __lock_is_held+0xa1/0xf0 [ 27.626305] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.632334] [] __xfrm_init_state+0x3e7/0xb30 [ 27.638355] [] xfrm_init_state+0x1a/0x20 [ 27.644030] [] pfkey_add+0x1fb9/0x3470 [ 27.649532] [] ? pfkey_delete+0x360/0x360 [ 27.655291] [] ? pfkey_seq_stop+0x80/0x80 [ 27.661059] [] ? __skb_clone+0x24a/0x7d0 [ 27.666739] [] ? pfkey_delete+0x360/0x360 [ 27.672506] [] pfkey_process+0x61e/0x730 [ 27.678178] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.684985] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.691786] [] pfkey_sendmsg+0x3a9/0x760 [ 27.697461] [] ? pfkey_spdget+0x820/0x820 [ 27.703225] [] sock_sendmsg+0xca/0x110 [ 27.708729] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.714495] [] ? copy_msghdr_from_user+0x550/0x550 [ 27.721039] [] ? __lru_cache_add+0x187/0x250 [ 27.727062] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 27.734133] [] ? _raw_spin_unlock+0x2c/0x50 [ 27.740068] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 27.747132] [] ? handle_mm_fault+0x6ee/0x2530 [ 27.753244] [] ? __fget_light+0x158/0x1e0 [ 27.759002] [] ? __fdget+0x18/0x20 [ 27.764158] [] ? sockfd_lookup_light+0x118/0x160 [ 27.770525] [] __sys_sendmsg+0xd6/0x190 [ 27.776110] [] ? SyS_shutdown+0x1b0/0x1b0 [ 27.781872] [] ? __do_page_fault+0x5ec/0xd40 [ 27.787902] [] compat_SyS_sendmsg+0x2a/0x40 [ 27.793842] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 27.800386] [] do_fast_syscall_32+0x2f7/0x890 [ 27.806493] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.813123] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 27.820097] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3340 [ 27.828968] caller is __this_cpu_preempt_check+0x1c/0x20 [ 27.834437] CPU: 0 PID: 3340 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 27.842117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.851435] ffff8801cd1b7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 27.859378] ffffffff83f44900 ffff8801c9f5e000 0000000000000003 ffff8801cd1b76a8 [ 27.867322] ffffffff81dfa714 ffff8801cd1b76c0 ffffffff83f44900 dffffc0000000000 [ 27.875272] Call Trace: [ 27.877824] [] dump_stack+0xc1/0x128 [ 27.883239] [] check_preemption_disabled+0x1d4/0x200 [ 27.889954] [] __this_cpu_preempt_check+0x1c/0x20 [ 27.896441] [] ipcomp_init_state+0x188/0x930 [ 27.902497] [] ? __lock_is_held+0xa1/0xf0 [ 27.908262] [] ipcomp4_init_state+0xb0/0x7d0 [ 27.914283] [] __xfrm_init_state+0x3e7/0xb30 [ 27.920303] [] xfrm_init_state+0x1a/0x20 [ 27.925979] [] pfkey_add+0x1fb9/0x3470 [ 27.931482] [] ? pfkey_delete+0x360/0x360 [ 27.937242] [] ? pfkey_seq_stop+0x80/0x80 [ 27.943003] [] ? __skb_clone+0x24a/0x7d0 [ 27.948682] [] ? pfkey_delete+0x360/0x360 [ 27.954444] [] pfkey_process+0x61e/0x730 [ 27.960731] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 27.967536] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 27.974363] [] pfkey_sendmsg+0x3a9/0x760 [ 27.980042] [] ? pfkey_spdget+0x820/0x820 [ 27.985805] [] sock_sendmsg+0xca/0x110 [ 27.991305] [] ___sys_sendmsg+0x6d1/0x7e0 [ 27.997065] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.003606] [] ? __lru_cache_add+0x187/0x250 [ 28.009629] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.016712] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.022656] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.029724] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.036356] [] ? __fget_light+0x158/0x1e0 [ 28.042126] [] ? __fdget+0x18/0x20 [ 28.047284] [] ? sockfd_lookup_light+0x118/0x160 [ 28.053654] [] __sys_sendmsg+0xd6/0x190 [ 28.059247] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.065012] [] ? __do_page_fault+0x5ec/0xd40 [ 28.071038] [] compat_SyS_sendmsg+0x2a/0x40 executing program [ 28.076973] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.083514] [] do_fast_syscall_32+0x2f7/0x890 [ 28.089622] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.096253] [] entry_SYSENTER_compat+0x74/0x83 [ 28.103403] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3339 [ 28.112101] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.117524] CPU: 0 PID: 3339 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 28.125194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.134513] ffff8801cd31f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.142460] ffffffff83f44900 ffff8801c9f5c800 0000000000000003 ffff8801cd31f6a8 [ 28.150411] ffffffff81dfa714 ffff8801cd31f6c0 ffffffff83f44900 dffffc0000000000 [ 28.158361] Call Trace: [ 28.160917] [] dump_stack+0xc1/0x128 [ 28.166246] [] check_preemption_disabled+0x1d4/0x200 [ 28.172970] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.179602] [] ipcomp_init_state+0x188/0x930 [ 28.185625] [] ? __lock_is_held+0xa1/0xf0 [ 28.191387] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.197410] [] __xfrm_init_state+0x3e7/0xb30 [ 28.203433] [] xfrm_init_state+0x1a/0x20 [ 28.209107] [] pfkey_add+0x1fb9/0x3470 [ 28.214612] [] ? pfkey_delete+0x360/0x360 [ 28.220373] [] ? pfkey_seq_stop+0x80/0x80 [ 28.226136] [] ? __skb_clone+0x24a/0x7d0 [ 28.231809] [] ? pfkey_delete+0x360/0x360 [ 28.237569] [] pfkey_process+0x61e/0x730 [ 28.243241] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.250053] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.256858] [] pfkey_sendmsg+0x3a9/0x760 [ 28.262534] [] ? pfkey_spdget+0x820/0x820 [ 28.268296] [] sock_sendmsg+0xca/0x110 [ 28.273796] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.279555] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.286113] [] ? __lru_cache_add+0x187/0x250 [ 28.292136] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.299204] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.305153] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.312216] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.318323] [] ? __fget_light+0x158/0x1e0 [ 28.324083] [] ? __fdget+0x18/0x20 [ 28.329238] [] ? sockfd_lookup_light+0x118/0x160 [ 28.335697] [] __sys_sendmsg+0xd6/0x190 [ 28.341285] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.347049] [] ? __do_page_fault+0x5ec/0xd40 [ 28.353075] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.359010] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.365556] [] do_fast_syscall_32+0x2f7/0x890 [ 28.371757] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 28.378388] [] entry_SYSENTER_compat+0x74/0x83 [ 28.385346] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3338 [ 28.394037] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.399482] CPU: 0 PID: 3338 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 28.407152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.416471] ffff8801c8a07668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.424427] ffffffff83f44900 ffff8801c9f5b000 0000000000000003 ffff8801c8a076a8 [ 28.432388] ffffffff81dfa714 ffff8801c8a076c0 ffffffff83f44900 dffffc0000000000 [ 28.440334] Call Trace: [ 28.442888] [] dump_stack+0xc1/0x128 [ 28.448221] [] check_preemption_disabled+0x1d4/0x200 [ 28.455616] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.462075] [] ipcomp_init_state+0x188/0x930 [ 28.468099] [] ? __lock_is_held+0xa1/0xf0 [ 28.473863] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.479894] [] __xfrm_init_state+0x3e7/0xb30 [ 28.485914] [] xfrm_init_state+0x1a/0x20 [ 28.491591] [] pfkey_add+0x1fb9/0x3470 [ 28.497094] [] ? pfkey_delete+0x360/0x360 [ 28.502854] [] ? pfkey_seq_stop+0x80/0x80 [ 28.508615] [] ? __skb_clone+0x24a/0x7d0 [ 28.514290] [] ? pfkey_delete+0x360/0x360 [ 28.520062] [] pfkey_process+0x61e/0x730 [ 28.525735] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.532540] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.539353] [] pfkey_sendmsg+0x3a9/0x760 [ 28.545029] [] ? pfkey_spdget+0x820/0x820 [ 28.550790] [] sock_sendmsg+0xca/0x110 [ 28.556297] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.562064] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.568609] [] ? __lru_cache_add+0x187/0x250 [ 28.574641] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.581713] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.587653] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.594723] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.600836] [] ? __fget_light+0x158/0x1e0 [ 28.606599] [] ? __fdget+0x18/0x20 [ 28.611754] [] ? sockfd_lookup_light+0x118/0x160 [ 28.618124] [] __sys_sendmsg+0xd6/0x190 [ 28.623711] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 28.629474] [] ? __do_page_fault+0x5ec/0xd40 [ 28.635497] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.641435] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 28.647986] [] do_fast_syscall_32+0x2f7/0x890 [ 28.654094] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.660724] [] entry_SYSENTER_compat+0x74/0x83 [ 28.667765] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3342 [ 28.676449] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.681911] CPU: 0 PID: 3342 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 28.689591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.698911] ffff8801cd0e7668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.706888] ffffffff83f44900 ffff8801cd169800 0000000000000003 ffff8801cd0e76a8 [ 28.714837] ffffffff81dfa714 ffff8801cd0e76c0 ffffffff83f44900 dffffc0000000000 [ 28.722784] Call Trace: [ 28.725337] [] dump_stack+0xc1/0x128 [ 28.730669] [] check_preemption_disabled+0x1d4/0x200 [ 28.737386] [] __this_cpu_preempt_check+0x1c/0x20 [ 28.743845] [] ipcomp_init_state+0x188/0x930 [ 28.749867] [] ? __lock_is_held+0xa1/0xf0 [ 28.755629] [] ipcomp4_init_state+0xb0/0x7d0 [ 28.761654] [] __xfrm_init_state+0x3e7/0xb30 [ 28.767673] [] xfrm_init_state+0x1a/0x20 [ 28.773347] [] pfkey_add+0x1fb9/0x3470 [ 28.778852] [] ? pfkey_delete+0x360/0x360 [ 28.784612] [] ? pfkey_seq_stop+0x80/0x80 [ 28.790376] [] ? __skb_clone+0x24a/0x7d0 [ 28.796049] [] ? pfkey_delete+0x360/0x360 [ 28.801807] [] pfkey_process+0x61e/0x730 [ 28.807484] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 28.814286] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 28.821089] [] pfkey_sendmsg+0x3a9/0x760 [ 28.826765] [] ? pfkey_spdget+0x820/0x820 [ 28.832528] [] sock_sendmsg+0xca/0x110 [ 28.838030] [] ___sys_sendmsg+0x6d1/0x7e0 [ 28.843802] [] ? copy_msghdr_from_user+0x550/0x550 [ 28.850348] [] ? __lru_cache_add+0x187/0x250 [ 28.856372] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 28.863441] [] ? _raw_spin_unlock+0x2c/0x50 [ 28.869389] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 28.876457] [] ? handle_mm_fault+0x6ee/0x2530 [ 28.882571] [] ? __fget_light+0x158/0x1e0 [ 28.888345] [] ? __fdget+0x18/0x20 [ 28.893514] [] ? sockfd_lookup_light+0x118/0x160 [ 28.899889] [] __sys_sendmsg+0xd6/0x190 [ 28.905477] [] ? SyS_shutdown+0x1b0/0x1b0 [ 28.911241] [] ? __do_page_fault+0x5ec/0xd40 [ 28.917266] [] compat_SyS_sendmsg+0x2a/0x40 [ 28.923203] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 28.929746] [] do_fast_syscall_32+0x2f7/0x890 [ 28.936028] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.942662] [] entry_SYSENTER_compat+0x74/0x83 [ 28.949629] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3337 [ 28.958314] caller is __this_cpu_preempt_check+0x1c/0x20 [ 28.963790] CPU: 0 PID: 3337 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 28.971473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.980791] ffff8801c8a1f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 28.988742] ffffffff83f44900 ffff8801c9f59800 0000000000000003 ffff8801c8a1f6a8 [ 28.996715] ffffffff81dfa714 ffff8801c8a1f6c0 ffffffff83f44900 dffffc0000000000 [ 29.004680] Call Trace: [ 29.007754] [] dump_stack+0xc1/0x128 [ 29.013086] [] check_preemption_disabled+0x1d4/0x200 [ 29.019801] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.026259] [] ipcomp_init_state+0x188/0x930 [ 29.032289] [] ? __lock_is_held+0xa1/0xf0 [ 29.038052] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.044074] [] __xfrm_init_state+0x3e7/0xb30 [ 29.050096] [] xfrm_init_state+0x1a/0x20 [ 29.055775] [] pfkey_add+0x1fb9/0x3470 [ 29.061277] [] ? pfkey_delete+0x360/0x360 [ 29.067050] [] ? pfkey_seq_stop+0x80/0x80 [ 29.072846] [] ? __skb_clone+0x24a/0x7d0 [ 29.078535] [] ? pfkey_delete+0x360/0x360 [ 29.084307] [] pfkey_process+0x61e/0x730 [ 29.089996] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.096815] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.103635] [] pfkey_sendmsg+0x3a9/0x760 [ 29.109322] [] ? pfkey_spdget+0x820/0x820 [ 29.115087] [] sock_sendmsg+0xca/0x110 [ 29.120589] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.126354] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.132900] [] ? __lru_cache_add+0x187/0x250 [ 29.138923] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.145989] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.151925] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.158986] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.165094] [] ? __fget_light+0x158/0x1e0 [ 29.170855] [] ? __fdget+0x18/0x20 [ 29.176011] [] ? sockfd_lookup_light+0x118/0x160 executing program [ 29.182383] [] __sys_sendmsg+0xd6/0x190 [ 29.187970] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.193737] [] ? __do_page_fault+0x5ec/0xd40 [ 29.199759] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.205692] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.212232] [] do_fast_syscall_32+0x2f7/0x890 [ 29.218338] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.224981] [] entry_SYSENTER_compat+0x74/0x83 [ 29.232479] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3344 [ 29.241140] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.246584] CPU: 1 PID: 3344 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 29.254263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.263586] ffff8801cd057668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 29.271532] ffffffff83f44900 ffff8801cd16c800 0000000000000003 ffff8801cd0576a8 [ 29.279479] ffffffff81dfa714 ffff8801cd0576c0 ffffffff83f44900 dffffc0000000000 [ 29.288184] Call Trace: [ 29.290748] [] dump_stack+0xc1/0x128 [ 29.296076] [] check_preemption_disabled+0x1d4/0x200 [ 29.302815] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.309272] [] ipcomp_init_state+0x188/0x930 [ 29.315297] [] ? __lock_is_held+0xa1/0xf0 [ 29.321058] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.327087] [] __xfrm_init_state+0x3e7/0xb30 [ 29.333114] [] xfrm_init_state+0x1a/0x20 [ 29.338790] [] pfkey_add+0x1fb9/0x3470 [ 29.344291] [] ? pfkey_delete+0x360/0x360 [ 29.350052] [] ? pfkey_seq_stop+0x80/0x80 [ 29.355819] [] ? __skb_clone+0x24a/0x7d0 [ 29.361499] [] ? pfkey_delete+0x360/0x360 [ 29.367354] [] pfkey_process+0x61e/0x730 [ 29.373030] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.379842] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.386662] [] pfkey_sendmsg+0x3a9/0x760 [ 29.392341] [] ? pfkey_spdget+0x820/0x820 [ 29.398110] [] sock_sendmsg+0xca/0x110 [ 29.403611] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.409374] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.415921] [] ? __lru_cache_add+0x187/0x250 [ 29.421948] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.429013] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.434951] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.442014] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.448125] [] ? __fget_light+0x158/0x1e0 [ 29.453884] [] ? __fdget+0x18/0x20 [ 29.459040] [] ? sockfd_lookup_light+0x118/0x160 [ 29.465409] [] __sys_sendmsg+0xd6/0x190 [ 29.470996] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.476759] [] ? __do_page_fault+0x5ec/0xd40 executing program [ 29.482788] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.488734] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.495278] [] do_fast_syscall_32+0x2f7/0x890 [ 29.501388] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.508018] [] entry_SYSENTER_compat+0x74/0x83 [ 29.514660] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 [ 29.523405] caller is __this_cpu_preempt_check+0x1c/0x20 [ 29.528827] CPU: 1 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 29.536495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.545813] ffff8801cbf4f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 29.553759] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 [ 29.561798] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 [ 29.569752] Call Trace: [ 29.572306] [] dump_stack+0xc1/0x128 [ 29.577635] [] check_preemption_disabled+0x1d4/0x200 [ 29.584354] [] __this_cpu_preempt_check+0x1c/0x20 [ 29.590810] [] ipcomp_init_state+0x188/0x930 [ 29.596836] [] ? __lock_is_held+0xa1/0xf0 [ 29.602602] [] ipcomp4_init_state+0xb0/0x7d0 [ 29.608624] [] __xfrm_init_state+0x3e7/0xb30 [ 29.614643] [] xfrm_init_state+0x1a/0x20 [ 29.620319] [] pfkey_add+0x1fb9/0x3470 [ 29.625835] [] ? pfkey_delete+0x360/0x360 [ 29.631598] [] ? pfkey_seq_stop+0x80/0x80 [ 29.637374] [] ? __skb_clone+0x24a/0x7d0 [ 29.643048] [] ? pfkey_delete+0x360/0x360 [ 29.648809] [] pfkey_process+0x61e/0x730 [ 29.654486] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 29.661293] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 29.668108] [] pfkey_sendmsg+0x3a9/0x760 [ 29.673782] [] ? pfkey_spdget+0x820/0x820 [ 29.679550] [] sock_sendmsg+0xca/0x110 [ 29.685053] [] ___sys_sendmsg+0x6d1/0x7e0 [ 29.690820] [] ? copy_msghdr_from_user+0x550/0x550 [ 29.697366] [] ? __lru_cache_add+0x187/0x250 [ 29.703389] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 29.710453] [] ? _raw_spin_unlock+0x2c/0x50 [ 29.716391] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 29.723454] [] ? handle_mm_fault+0x6ee/0x2530 [ 29.729567] [] ? __fget_light+0x158/0x1e0 [ 29.735339] [] ? __fdget+0x18/0x20 [ 29.740514] [] ? sockfd_lookup_light+0x118/0x160 [ 29.746882] [] __sys_sendmsg+0xd6/0x190 [ 29.752469] [] ? SyS_shutdown+0x1b0/0x1b0 [ 29.758232] [] ? __do_page_fault+0x5ec/0xd40 [ 29.764255] [] compat_SyS_sendmsg+0x2a/0x40 [ 29.770204] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 29.776748] [] do_fast_syscall_32+0x2f7/0x890 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.782856] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.789487] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.981648] check_preemption_disabled: 1923 callbacks suppressed [ 31.981654] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3343 [ 31.996600] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.002045] CPU: 0 PID: 3343 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 32.009726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.019048] ffff8801cd07f668 ffffffff81d93149 0000000000000000 ffffffff83c17e00 [ 32.027006] ffffffff83f44900 ffff8801cd16b000 0000000000000003 ffff8801cd07f6a8 [ 32.034951] ffffffff81dfa714 ffff8801cd07f6c0 ffffffff83f44900 dffffc0000000000 [ 32.042891] Call Trace: [ 32.045445] [] dump_stack+0xc1/0x128 [ 32.050777] [] check_preemption_disabled+0x1d4/0x200 [ 32.057492] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.063947] [] ipcomp_init_state+0x188/0x930 [ 32.069969] [] ? __lock_is_held+0xa1/0xf0 [ 32.075729] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.081751] [] __xfrm_init_state+0x3e7/0xb30 [ 32.087775] [] xfrm_init_state+0x1a/0x20 [ 32.093451] [] pfkey_add+0x1fb9/0x3470 [ 32.098951] [] ? pfkey_delete+0x360/0x360 [ 32.104722] [] ? pfkey_seq_stop+0x80/0x80 [ 32.110483] [] ? __skb_clone+0x24a/0x7d0 [ 32.116156] [] ? pfkey_delete+0x360/0x360 [ 32.121915] [] pfkey_process+0x61e/0x730 [ 32.127589] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.134399] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.141205] [] pfkey_sendmsg+0x3a9/0x760 [ 32.146878] [] ? pfkey_spdget+0x820/0x820 [ 32.152644] [] sock_sendmsg+0xca/0x110 [ 32.158153] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.163916] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.170481] [] ? __lru_cache_add+0x187/0x250 [ 32.176503] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.183570] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.189503] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.196566] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.202680] [] ? __fget_light+0x158/0x1e0 [ 32.208440] [] ? __fdget+0x18/0x20 [ 32.213594] [] ? sockfd_lookup_light+0x118/0x160 [ 32.219963] [] __sys_sendmsg+0xd6/0x190 [ 32.225548] [] ? SyS_shutdown+0x1b0/0x1b0 executing program [ 32.231314] [] ? __do_page_fault+0x5ec/0xd40 [ 32.237337] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.243270] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.249813] [] do_fast_syscall_32+0x2f7/0x890 [ 32.255920] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.262549] [] entry_SYSENTER_compat+0x74/0x83 [ 32.270482] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3340 [ 32.279225] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.284678] CPU: 1 PID: 3340 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 32.292358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.301686] ffff8801cd1b7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 32.309661] ffffffff83f44900 ffff8801c9f5e000 0000000000000003 ffff8801cd1b76a8 [ 32.317606] ffffffff81dfa714 ffff8801cd1b76c0 ffffffff83f44900 dffffc0000000000 [ 32.325555] Call Trace: [ 32.328111] [] dump_stack+0xc1/0x128 [ 32.333441] [] check_preemption_disabled+0x1d4/0x200 [ 32.340159] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.346622] [] ipcomp_init_state+0x188/0x930 [ 32.352651] [] ? __lock_is_held+0xa1/0xf0 [ 32.358437] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.364460] [] __xfrm_init_state+0x3e7/0xb30 [ 32.370481] [] xfrm_init_state+0x1a/0x20 [ 32.376161] [] pfkey_add+0x1fb9/0x3470 [ 32.381661] [] ? pfkey_delete+0x360/0x360 [ 32.387425] [] ? pfkey_seq_stop+0x80/0x80 [ 32.393192] [] ? __skb_clone+0x24a/0x7d0 [ 32.398869] [] ? pfkey_delete+0x360/0x360 [ 32.404630] [] pfkey_process+0x61e/0x730 [ 32.410303] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.417105] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.424432] [] pfkey_sendmsg+0x3a9/0x760 [ 32.430106] [] ? pfkey_spdget+0x820/0x820 [ 32.435877] [] sock_sendmsg+0xca/0x110 [ 32.441381] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.447141] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.453695] [] ? __lru_cache_add+0x187/0x250 [ 32.459720] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.466873] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.472809] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.479869] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.485977] [] ? __fget_light+0x158/0x1e0 [ 32.491737] [] ? __fdget+0x18/0x20 [ 32.496901] [] ? sockfd_lookup_light+0x118/0x160 [ 32.503270] [] __sys_sendmsg+0xd6/0x190 [ 32.508855] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.514615] [] ? __do_page_fault+0x5ec/0xd40 [ 32.520648] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.526583] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 executing program [ 32.533127] [] do_fast_syscall_32+0x2f7/0x890 [ 32.539234] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.545869] [] entry_SYSENTER_compat+0x74/0x83 [ 32.554276] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3339 [ 32.563041] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.568473] CPU: 1 PID: 3339 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 32.576144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.585466] ffff8801cd31f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 32.593409] ffffffff83f44900 ffff8801c9f5c800 0000000000000003 ffff8801cd31f6a8 [ 32.601356] ffffffff81dfa714 ffff8801cd31f6c0 ffffffff83f44900 dffffc0000000000 [ 32.609298] Call Trace: [ 32.611853] [] dump_stack+0xc1/0x128 [ 32.617186] [] check_preemption_disabled+0x1d4/0x200 [ 32.623906] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.630362] [] ipcomp_init_state+0x188/0x930 [ 32.636384] [] ? __lock_is_held+0xa1/0xf0 [ 32.642146] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.648165] [] __xfrm_init_state+0x3e7/0xb30 [ 32.654193] [] xfrm_init_state+0x1a/0x20 [ 32.659867] [] pfkey_add+0x1fb9/0x3470 [ 32.665368] [] ? pfkey_delete+0x360/0x360 [ 32.671129] [] ? pfkey_seq_stop+0x80/0x80 [ 32.676894] [] ? __skb_clone+0x24a/0x7d0 [ 32.682569] [] ? pfkey_delete+0x360/0x360 [ 32.688334] [] pfkey_process+0x61e/0x730 [ 32.694006] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 32.700812] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.707616] [] pfkey_sendmsg+0x3a9/0x760 [ 32.713290] [] ? pfkey_spdget+0x820/0x820 [ 32.719051] [] sock_sendmsg+0xca/0x110 [ 32.724551] [] ___sys_sendmsg+0x6d1/0x7e0 [ 32.730315] [] ? copy_msghdr_from_user+0x550/0x550 [ 32.736861] [] ? __lru_cache_add+0x187/0x250 [ 32.742889] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 32.749953] [] ? _raw_spin_unlock+0x2c/0x50 [ 32.755888] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 32.762949] [] ? handle_mm_fault+0x6ee/0x2530 [ 32.769056] [] ? __fget_light+0x158/0x1e0 [ 32.774818] [] ? __fdget+0x18/0x20 [ 32.779972] [] ? sockfd_lookup_light+0x118/0x160 [ 32.786351] [] __sys_sendmsg+0xd6/0x190 [ 32.791941] [] ? SyS_shutdown+0x1b0/0x1b0 [ 32.797703] [] ? __do_page_fault+0x5ec/0xd40 [ 32.803726] [] compat_SyS_sendmsg+0x2a/0x40 [ 32.809659] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 32.816208] [] do_fast_syscall_32+0x2f7/0x890 [ 32.822317] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.828950] [] entry_SYSENTER_compat+0x74/0x83 executing program [ 32.835710] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3342 [ 32.844475] caller is __this_cpu_preempt_check+0x1c/0x20 [ 32.849894] CPU: 1 PID: 3342 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 32.857563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.866888] ffff8801cd0e7668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 32.874841] ffffffff83f44900 ffff8801cd169800 0000000000000003 ffff8801cd0e76a8 [ 32.882795] ffffffff81dfa714 ffff8801cd0e76c0 ffffffff83f44900 dffffc0000000000 [ 32.890737] Call Trace: [ 32.893290] [] dump_stack+0xc1/0x128 [ 32.898620] [] check_preemption_disabled+0x1d4/0x200 [ 32.905342] [] __this_cpu_preempt_check+0x1c/0x20 [ 32.911800] [] ipcomp_init_state+0x188/0x930 [ 32.917821] [] ? __lock_is_held+0xa1/0xf0 [ 32.923582] [] ipcomp4_init_state+0xb0/0x7d0 [ 32.929604] [] __xfrm_init_state+0x3e7/0xb30 [ 32.935625] [] xfrm_init_state+0x1a/0x20 [ 32.941301] [] pfkey_add+0x1fb9/0x3470 [ 32.946802] [] ? pfkey_delete+0x360/0x360 [ 32.952561] [] ? pfkey_seq_stop+0x80/0x80 [ 32.958323] [] ? __skb_clone+0x24a/0x7d0 [ 32.963994] [] ? pfkey_delete+0x360/0x360 [ 32.969759] [] pfkey_process+0x61e/0x730 [ 32.975433] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program [ 32.982235] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 32.989035] [] pfkey_sendmsg+0x3a9/0x760 [ 32.994707] [] ? pfkey_spdget+0x820/0x820 [ 33.000473] [] sock_sendmsg+0xca/0x110 [ 33.005978] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.011744] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.018393] [] ? __lru_cache_add+0x187/0x250 [ 33.018402] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.018415] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.018421] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program [ 33.018427] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.018433] [] ? __fget_light+0x158/0x1e0 [ 33.018439] [] ? __fdget+0x18/0x20 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.018447] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.018453] [] __sys_sendmsg+0xd6/0x190 [ 33.018459] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.018468] [] ? __do_page_fault+0x5ec/0xd40 [ 33.018477] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.018484] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.018491] [] do_fast_syscall_32+0x2f7/0x890 [ 33.018497] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.018504] [] entry_SYSENTER_compat+0x74/0x83 [ 33.019071] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3338 [ 33.019080] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.019087] CPU: 1 PID: 3338 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.019101] ffff8801c8a07668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 33.019110] ffffffff83f44900 ffff8801c9f5b000 0000000000000003 ffff8801c8a076a8 [ 33.019118] ffffffff81dfa714 ffff8801c8a076c0 ffffffff83f44900 dffffc0000000000 [ 33.019119] Call Trace: [ 33.019127] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019135] [] check_preemption_disabled+0x1d4/0x200 [ 33.019142] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.019150] [] ipcomp_init_state+0x188/0x930 [ 33.019159] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019166] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.019172] [] __xfrm_init_state+0x3e7/0xb30 [ 33.019178] [] xfrm_init_state+0x1a/0x20 [ 33.019185] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019191] [] ? pfkey_delete+0x360/0x360 [ 33.019197] [] ? pfkey_seq_stop+0x80/0x80 [ 33.019203] [] ? __skb_clone+0x24a/0x7d0 [ 33.019209] [] ? pfkey_delete+0x360/0x360 [ 33.019215] [] pfkey_process+0x61e/0x730 [ 33.019221] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019229] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019235] [] pfkey_sendmsg+0x3a9/0x760 [ 33.019241] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019248] [] sock_sendmsg+0xca/0x110 [ 33.019255] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.019262] [] ? 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 [ 33.019269] [] ? __lru_cache_add+0x187/0x250 [ 33.019277] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.019284] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019291] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.019298] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.019303] [] ? __fget_light+0x158/0x1e0 [ 33.019309] [] ? __fdget+0x18/0x20 [ 33.019315] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019321] [] __sys_sendmsg+0xd6/0x190 [ 33.019327] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.019334] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.019342] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.019348] [] ? 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 [ 33.019354] [] do_fast_syscall_32+0x2f7/0x890 [ 33.019360] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.019366] [] 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 [ 33.021989] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3338 [ 33.021997] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.022003] CPU: 1 PID: 3338 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 33.022006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022016] ffff8801c8a07668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 33.022025] ffffffff83f44900 ffff8801c9f5b000 0000000000000003 ffff8801c8a076a8 [ 33.022033] ffffffff81dfa714 ffff8801c8a076c0 ffffffff83f44900 dffffc0000000000 [ 33.022034] Call Trace: [ 33.022042] [] dump_stack+0xc1/0x128 [ 33.022049] [] check_preemption_disabled+0x1d4/0x200 [ 33.022056] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.022063] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022071] [] ? __lock_is_held+0xa1/0xf0 [ 33.022077] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.022083] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022089] [] xfrm_init_state+0x1a/0x20 [ 33.022095] [] pfkey_add+0x1fb9/0x3470 [ 33.022102] [] ? 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 [ 33.022107] [] ? pfkey_seq_stop+0x80/0x80 [ 33.022113] [] ? __skb_clone+0x24a/0x7d0 [ 33.022119] [] ? pfkey_delete+0x360/0x360 [ 33.022125] [] pfkey_process+0x61e/0x730 [ 33.022131] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022138] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022145] [] pfkey_sendmsg+0x3a9/0x760 [ 33.022151] [] ? pfkey_spdget+0x820/0x820 [ 33.022158] [] sock_sendmsg+0xca/0x110 [ 33.022164] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.022172] [] ? 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 [ 33.022179] [] ? __lru_cache_add+0x187/0x250 [ 33.022187] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.022194] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.022202] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.022208] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.022214] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022219] [] ? __fdget+0x18/0x20 [ 33.022226] [] ? sockfd_lookup_light+0x118/0x160 [ 33.022232] [] __sys_sendmsg+0xd6/0x190 [ 33.022238] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.022245] [] ? __do_page_fault+0x5ec/0xd40 [ 33.022253] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.022260] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.022266] [] do_fast_syscall_32+0x2f7/0x890 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.022272] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.022278] [] entry_SYSENTER_compat+0x74/0x83 [ 33.024782] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 [ 33.024789] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.024795] CPU: 1 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 33.024798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.024809] ffff8801cbf4f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 33.024818] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 [ 33.024826] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 [ 33.024828] Call Trace: [ 33.024836] [] dump_stack+0xc1/0x128 [ 33.024844] [] check_preemption_disabled+0x1d4/0x200 [ 33.024858] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.024865] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.024873] [] ? __lock_is_held+0xa1/0xf0 [ 33.024878] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.024884] [] __xfrm_init_state+0x3e7/0xb30 [ 33.024889] [] xfrm_init_state+0x1a/0x20 [ 33.024897] [] pfkey_add+0x1fb9/0x3470 [ 33.024904] [] ? pfkey_delete+0x360/0x360 [ 33.024910] [] ? pfkey_seq_stop+0x80/0x80 [ 33.024918] [] ? __skb_clone+0x24a/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 executing program executing program executing program executing program executing program executing program [ 33.024924] [] ? pfkey_delete+0x360/0x360 [ 33.024931] [] pfkey_process+0x61e/0x730 [ 33.024938] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.024946] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.024953] [] pfkey_sendmsg+0x3a9/0x760 [ 33.024960] [] ? pfkey_spdget+0x820/0x820 [ 33.024967] [] sock_sendmsg+0xca/0x110 [ 33.024975] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.024983] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.024991] [] ? __lru_cache_add+0x187/0x250 [ 33.024999] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.025007] [] ? _raw_spin_unlock+0x2c/0x50 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.025015] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.025022] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.025028] [] ? __fget_light+0x158/0x1e0 [ 33.025035] [] ? __fdget+0x18/0x20 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 executing program executing program executing program executing program executing program executing program [ 33.025042] [] ? sockfd_lookup_light+0x118/0x160 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.025049] [] __sys_sendmsg+0xd6/0x190 [ 33.025056] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.025063] [] ? __do_page_fault+0x5ec/0xd40 [ 33.025072] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.025080] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.025087] [] do_fast_syscall_32+0x2f7/0x890 [ 33.025093] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.025101] [] entry_SYSENTER_compat+0x74/0x83 [ 33.027491] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 [ 33.027499] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027506] CPU: 1 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.027520] ffff8801cbf4f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 33.027529] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027538] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 [ 33.027540] Call Trace: [ 33.027547] [] dump_stack+0xc1/0x128 [ 33.027555] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027563] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.027571] [] ipcomp_init_state+0x188/0x930 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027578] [] ? __lock_is_held+0xa1/0xf0 [ 33.027585] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.027592] [] __xfrm_init_state+0x3e7/0xb30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027598] [] xfrm_init_state+0x1a/0x20 [ 33.027605] [] pfkey_add+0x1fb9/0x3470 [ 33.027611] [] ? pfkey_delete+0x360/0x360 [ 33.027616] [] ? pfkey_seq_stop+0x80/0x80 [ 33.027623] [] ? __skb_clone+0x24a/0x7d0 [ 33.027629] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027635] [] pfkey_process+0x61e/0x730 [ 33.027642] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.027650] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.027657] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027663] [] ? pfkey_spdget+0x820/0x820 [ 33.027670] [] sock_sendmsg+0xca/0x110 [ 33.027678] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.027686] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.027694] [] ? __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027702] [] ? do_huge_pmd_anonymous_page+0xb05/0x10d0 [ 33.027710] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.027718] [] ? 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 executing program executing program executing program [ 33.027725] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.027731] [] ? __fget_light+0x158/0x1e0 [ 33.027737] [] ? __fdget+0x18/0x20 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027745] [] ? sockfd_lookup_light+0x118/0x160 [ 33.027751] [] __sys_sendmsg+0xd6/0x190 [ 33.027757] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027765] [] ? __do_page_fault+0x5ec/0xd40 [ 33.027773] [] compat_SyS_sendmsg+0x2a/0x40 [ 33.027781] [] ? 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 [ 33.027787] [] do_fast_syscall_32+0x2f7/0x890 [ 33.027794] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.027801] [] entry_SYSENTER_compat+0x74/0x83 [ 33.029581] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029588] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.029594] CPU: 1 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 33.029597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029607] ffff8801cbf4f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 [ 33.029615] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029623] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029625] Call Trace: [ 33.029632] [] dump_stack+0xc1/0x128 [ 33.029639] [] check_preemption_disabled+0x1d4/0x200 [ 33.029646] [] __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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029653] [] ipcomp_init_state+0x188/0x930 [ 33.029660] [] ? __lock_is_held+0xa1/0xf0 [ 33.029666] [] ipcomp4_init_state+0xb0/0x7d0 [ 33.029672] [] __xfrm_init_state+0x3e7/0xb30 [ 33.029677] [] xfrm_init_state+0x1a/0x20 [ 33.029684] [] pfkey_add+0x1fb9/0x3470 [ 33.029690] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029696] [] ? pfkey_seq_stop+0x80/0x80 [ 33.029702] [] ? __skb_clone+0x24a/0x7d0 [ 33.029708] [] ? pfkey_delete+0x360/0x360 [ 33.029713] [] pfkey_process+0x61e/0x730 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029720] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.029727] [] ? trace_hardirqs_on_caller+0x38b/0x590 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029733] [] pfkey_sendmsg+0x3a9/0x760 [ 33.029739] [] ? 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 executing program executing program executing program [ 33.029746] [] sock_sendmsg+0xca/0x110 [ 33.029753] [] ___sys_sendmsg+0x6d1/0x7e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029760] [] ? copy_msghdr_from_user+0x550/0x550 [ 33.029767] [] ? __lru_cache_add+0x187/0x250 [ 33.029775] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029782] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.029789] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.029795] [] ? handle_mm_fault+0x6ee/0x2530 [ 33.029801] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029806] [] ? __fdget+0x18/0x20 [ 33.029813] [] ? sockfd_lookup_light+0x118/0x160 [ 33.029819] [] __sys_sendmsg+0xd6/0x190 [ 33.029824] [] ? SyS_shutdown+0x1b0/0x1b0 [ 33.029831] [] ? __do_page_fault+0x5ec/0xd40 [ 33.029839] [] compat_SyS_sendmsg+0x2a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.029846] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 33.029857] [] do_fast_syscall_32+0x2f7/0x890 [ 33.029863] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.029870] [] entry_SYSENTER_compat+0x74/0x83 [ 33.031312] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller970300/3341 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031319] caller is __this_cpu_preempt_check+0x1c/0x20 [ 33.031324] CPU: 1 PID: 3341 Comm: syzkaller970300 Not tainted 4.9.76-g8e170a5 #21 [ 33.031327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.031337] ffff8801cbf4f668 ffffffff81d93149 0000000000000001 ffffffff83c17e00 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031345] ffffffff83f44900 ffff8801cd168000 0000000000000003 ffff8801cbf4f6a8 [ 33.031353] ffffffff81dfa714 ffff8801cbf4f6c0 ffffffff83f44900 dffffc0000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031354] Call Trace: [ 33.031361] [] dump_stack+0xc1/0x128 [ 33.031368] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031375] [] __this_cpu_preempt_check+0x1c/0x20 [ 33.031381] [] ipcomp_init_state+0x188/0x930 [ 33.031388] [] ? __lock_is_held+0xa1/0xf0 [ 33.031395] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031400] [] __xfrm_init_state+0x3e7/0xb30 [ 33.031406] [] xfrm_init_state+0x1a/0x20 [ 33.031412] [] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031418] [] ? pfkey_delete+0x360/0x360 [ 33.031428] [] ? pfkey_seq_stop+0x80/0x80 [ 33.031434] [] ? __skb_clone+0x24a/0x7d0 [ 33.031440] [] ? pfkey_delete+0x360/0x360 [ 33.031446] [] pfkey_process+0x61e/0x730 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031452] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 33.031459] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 33.031466] [] pfkey_sendmsg+0x3a9/0x760 [ 33.031472] [] ? 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 executing program executing program executing program executing program executing program executing program [ 33.031479] [] sock_sendmsg+0xca/0x110 [ 33.031485] [] ___sys_sendmsg+0x6d1/0x7e0 [ 33.031493] [] ? 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 [ 33.031500] [] ? __lru_cache_add+0x187/0x250 [ 33.031508] [] ? 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031515] [] ? _raw_spin_unlock+0x2c/0x50 [ 33.031522] [] ? do_huge_pmd_anonymous_page+0x2d4/0x10d0 [ 33.031528] [] ? handle_mm_fault+0x6ee/0x2530 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.031534] [] ? __fget_light+0x158/0x1e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program