[ 34.877567] audit: type=1800 audit(1538774156.747:24): pid=5908 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.289483] audit: type=1800 audit(1538774157.247:25): pid=5908 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 35.309255] audit: type=1800 audit(1538774157.247:26): pid=5908 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 47.074017] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 47.124292] FAULT_INJECTION: forcing a failure. [ 47.124292] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.135034] FAULT_INJECTION: forcing a failure. [ 47.135034] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.138130] CPU: 0 PID: 6077 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 47.156549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.165900] Call Trace: [ 47.168505] dump_stack+0x1d3/0x2c4 [ 47.172141] ? dump_stack_print_info.cold.2+0x52/0x52 [ 47.177365] ? mark_held_locks+0x130/0x130 [ 47.181611] should_fail.cold.4+0xa/0x17 [ 47.185677] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 47.190435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 47.195554] ? mark_held_locks+0x130/0x130 [ 47.199791] ? is_bpf_text_address+0xac/0x170 [ 47.204287] ? mark_held_locks+0x130/0x130 [ 47.208533] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 47.213474] ? __wake_up_common_lock+0x1d0/0x330 [ 47.218236] ? lock_downgrade+0x900/0x900 [ 47.222391] ? trace_hardirqs_on+0xbd/0x310 [ 47.226718] ? ima_match_policy+0x848/0x1560 [ 47.231131] ? lock_downgrade+0x900/0x900 [ 47.235280] ? do_raw_spin_lock+0xc1/0x200 [ 47.239518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 47.244449] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 47.249567] __alloc_pages_nodemask+0x34b/0xdd0 [ 47.254242] ? __wake_up_common+0x7d0/0x7d0 [ 47.258560] ? __lockdep_init_map+0x105/0x590 [ 47.263069] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 47.268090] ? mark_held_locks+0x130/0x130 [ 47.272333] ? mark_held_locks+0x130/0x130 [ 47.276567] ? mark_held_locks+0x130/0x130 [ 47.280812] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 47.286354] alloc_pages_current+0x10c/0x210 [ 47.290771] skb_page_frag_refill+0x45f/0x6a0 [ 47.295266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.300807] ? sock_kfree_s+0x60/0x60 [ 47.304614] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 47.310005] ? mark_held_locks+0x130/0x130 [ 47.314238] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 47.319696] sk_page_frag_refill+0x55/0x1f0 [ 47.324022] sk_alloc_sg+0x1e9/0xa00 [ 47.327753] ? sk_page_frag_refill+0x1f0/0x1f0 [ 47.332336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.337813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.343350] ? check_preemption_disabled+0x48/0x200 [ 47.348368] ? lock_sock_nested+0x9a/0x120 [ 47.352603] ? lock_sock_nested+0x9a/0x120 [ 47.356843] alloc_encrypted_sg+0xb4/0x140 [ 47.361086] tls_sw_sendmsg+0x7ed/0x1fd0 [ 47.365145] ? mnt_get_count+0x150/0x150 [ 47.369212] ? dput.part.25+0x26d/0x790 [ 47.373194] ? aa_profile_af_perm+0x410/0x410 [ 47.377692] ? tx_work_handler+0xf0/0xf0 [ 47.381755] ? check_same_owner+0x330/0x330 [ 47.386087] ? aa_file_perm+0x469/0x1060 [ 47.390171] ? __might_sleep+0x95/0x190 [ 47.394152] ? aa_sk_perm+0x22b/0x8e0 [ 47.397958] ? aa_af_perm+0x5a0/0x5a0 [ 47.401763] inet_sendmsg+0x19c/0x690 [ 47.405568] ? ipip_gro_receive+0x100/0x100 [ 47.409891] ? apparmor_socket_sendmsg+0x29/0x30 [ 47.414651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.420185] ? security_socket_sendmsg+0x94/0xc0 [ 47.424939] ? ipip_gro_receive+0x100/0x100 [ 47.429265] sock_sendmsg+0xd5/0x120 [ 47.432984] sock_write_iter+0x35e/0x5c0 [ 47.437057] ? sock_sendmsg+0x120/0x120 [ 47.441068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.446608] ? iov_iter_init+0xc2/0x1e0 [ 47.450589] __vfs_write+0x6b8/0x9f0 [ 47.454304] ? kernel_read+0x120/0x120 [ 47.458359] ? apparmor_path_rmdir+0x30/0x30 [ 47.462773] ? lock_release+0x970/0x970 [ 47.466745] ? check_preemption_disabled+0x48/0x200 [ 47.471768] ? apparmor_file_permission+0x24/0x30 [ 47.476611] ? rw_verify_area+0x118/0x360 [ 47.480784] vfs_write+0x1fc/0x560 [ 47.484327] ksys_write+0x101/0x260 [ 47.487956] ? __ia32_sys_read+0xb0/0xb0 [ 47.492021] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.497488] __x64_sys_write+0x73/0xb0 [ 47.501407] do_syscall_64+0x1b9/0x820 [ 47.505297] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 47.510661] ? syscall_return_slowpath+0x5e0/0x5e0 [ 47.515589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.520434] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.525471] ? prepare_exit_to_usermode+0x291/0x3b0 [ 47.530503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.535354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.540539] RIP: 0033:0x447289 [ 47.543737] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.562636] RSP: 002b:00007f0d16df9ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.570348] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447289 [ 47.577613] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 47.584883] RBP: 00000000006dcc20 R08: 0000000000000001 R09: 0000000000000031 [ 47.592150] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 47.599416] R13: 0000000000000005 R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 47.607497] FAULT_INJECTION: forcing a failure. [ 47.607497] name fail_futex, interval 1, probability 0, space 0, times 1 [ 47.619728] FAULT_INJECTION: forcing a failure. [ 47.619728] name fail_futex, interval 1, probability 0, space 0, times 1 [ 47.627860] FAULT_INJECTION: forcing a failure. [ 47.627860] name fail_futex, interval 1, probability 0, space 0, times 1 [ 47.632209] CPU: 1 PID: 6075 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 47.646854] FAULT_INJECTION: forcing a failure. [ 47.646854] name fail_futex, interval 1, probability 0, space 0, times 1 [ 47.651109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.651114] Call Trace: [ 47.651137] dump_stack+0x1d3/0x2c4 [ 47.651156] ? dump_stack_print_info.cold.2+0x52/0x52 [ 47.651177] should_fail.cold.4+0xa/0x17 [ 47.651195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 47.651213] ? mark_held_locks+0x130/0x130 [ 47.651231] ? mark_held_locks+0x130/0x130 [ 47.651247] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.651264] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.651288] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 47.715732] ? mark_held_locks+0x130/0x130 [ 47.719972] ? is_bpf_text_address+0xac/0x170 [ 47.724489] ? mark_held_locks+0x130/0x130 [ 47.728737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 47.733689] ? kasan_check_read+0x11/0x20 [ 47.737856] ? __wake_up_common_lock+0x1d0/0x330 [ 47.742626] ? lock_downgrade+0x900/0x900 [ 47.746791] get_futex_key+0x127d/0x21b0 [ 47.750864] ? trace_hardirqs_on+0xbd/0x310 [ 47.755200] ? ima_match_policy+0x848/0x1560 [ 47.759622] ? lock_downgrade+0x900/0x900 [ 47.763786] ? do_raw_spin_lock+0xc1/0x200 [ 47.768029] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 47.772719] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 47.777666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 47.782784] ? __wake_up_common_lock+0x1d0/0x330 [ 47.787587] ? __wake_up_common+0x7d0/0x7d0 [ 47.791945] ? mark_held_locks+0x130/0x130 [ 47.796286] ? mark_held_locks+0x130/0x130 [ 47.800534] ? check_same_owner+0x330/0x330 [ 47.804889] ? mark_held_locks+0x130/0x130 [ 47.809135] ? mark_held_locks+0x130/0x130 [ 47.813379] ? up_write+0x7b/0x220 [ 47.816926] ? down_write_nested+0x130/0x130 [ 47.821340] ? down_read+0x120/0x120 [ 47.825063] ? ima_get_action+0x7e/0xa0 [ 47.829049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.834603] ? process_measurement+0x280/0x1bf0 [ 47.839290] ? release_sock+0x1ec/0x2c0 [ 47.843289] ? trace_hardirqs_on+0xbd/0x310 [ 47.847617] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.852038] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 47.857508] ? release_sock+0x1ec/0x2c0 [ 47.861492] ? release_sock+0x1ec/0x2c0 [ 47.865488] ? __local_bh_enable_ip+0x160/0x260 [ 47.870167] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.874587] ? release_sock+0x1ec/0x2c0 [ 47.879520] ? lock_sock_nested+0x9a/0x120 [ 47.883772] ? __release_sock+0x3a0/0x3a0 [ 47.887952] ? __local_bh_enable_ip+0x160/0x260 [ 47.892639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.898197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.903740] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 47.908074] ? mnt_get_count+0x150/0x150 [ 47.912150] futex_wake+0x1ac/0x760 [ 47.915810] ? get_futex_key+0x21b0/0x21b0 [ 47.920052] ? tx_work_handler+0xf0/0xf0 [ 47.924127] ? check_same_owner+0x330/0x330 [ 47.928454] ? aa_file_perm+0x469/0x1060 [ 47.932532] do_futex+0x2e4/0x26d0 [ 47.936089] ? aa_sk_perm+0x22b/0x8e0 [ 47.939898] ? exit_robust_list+0x280/0x280 [ 47.944235] ? inet_sendmsg+0x1a3/0x690 [ 47.948225] ? ipip_gro_receive+0x100/0x100 [ 47.952561] ? apparmor_socket_sendmsg+0x29/0x30 [ 47.957323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.962869] ? security_socket_sendmsg+0x94/0xc0 [ 47.967631] ? ipip_gro_receive+0x100/0x100 [ 47.971964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.977507] ? sock_sendmsg+0x5a/0x120 [ 47.981399] ? sock_write_iter+0x42a/0x5c0 [ 47.985645] ? sock_sendmsg+0x120/0x120 [ 47.989630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.995169] ? iov_iter_init+0xc2/0x1e0 [ 47.999149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.005075] ? __vfs_write+0x121/0x9f0 [ 48.008968] ? kernel_read+0x120/0x120 [ 48.012867] ? apparmor_path_rmdir+0x30/0x30 [ 48.017283] ? lock_release+0x970/0x970 [ 48.021269] ? check_preemption_disabled+0x48/0x200 [ 48.026306] ? apparmor_file_permission+0x24/0x30 [ 48.031162] ? rw_verify_area+0x118/0x360 [ 48.035404] __x64_sys_futex+0x472/0x6a0 [ 48.039482] ? do_futex+0x26d0/0x26d0 [ 48.043287] ? trace_hardirqs_on+0xbd/0x310 [ 48.047609] ? __ia32_sys_read+0xb0/0xb0 [ 48.051673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.057047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 48.062514] do_syscall_64+0x1b9/0x820 [ 48.066416] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 48.071788] ? syscall_return_slowpath+0x5e0/0x5e0 [ 48.076723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.081581] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.086604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 48.091624] ? prepare_exit_to_usermode+0x291/0x3b0 [ 48.096654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.101512] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.106708] RIP: 0033:0x447289 [ 48.109902] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.128804] RSP: 002b:00007f0d16df9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 48.136528] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447289 [ 48.143807] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc2c [ 48.151079] RBP: 00000000006dcc20 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 48.158345] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc2c [ 48.165612] R13: 00007ffde1c26b4f R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 48.173423] CPU: 1 PID: 6076 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 48.182028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.191382] Call Trace: [ 48.193976] dump_stack+0x1d3/0x2c4 [ 48.197610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 48.202800] ? mark_held_locks+0x130/0x130 [ 48.207038] ? set_next_entity+0x2dd/0xc40 [ 48.211294] should_fail.cold.4+0xa/0x17 [ 48.215369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 48.220488] ? pick_next_task_fair+0xa03/0x1c20 [ 48.225166] ? rcu_note_context_switch+0x7d3/0x2150 [ 48.230194] ? run_rebalance_domains+0x500/0x500 [ 48.234957] ? mark_held_locks+0x130/0x130 [ 48.239195] ? is_bpf_text_address+0xac/0x170 [ 48.243709] ? mark_held_locks+0x130/0x130 [ 48.247949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 48.252881] ? kasan_check_read+0x11/0x20 [ 48.257036] ? trace_hardirqs_off+0xb8/0x310 [ 48.261453] ? finish_task_switch+0x1f5/0x900 [ 48.265971] ? lock_downgrade+0x900/0x900 [ 48.270137] get_futex_key+0x127d/0x21b0 [ 48.274210] ? compat_start_thread+0x80/0x80 [ 48.278630] ? dequeue_entity+0x1770/0x1770 [ 48.282957] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 48.287634] ? mark_held_locks+0x130/0x130 [ 48.291875] ? finish_task_switch+0x1f5/0x900 [ 48.296377] ? finish_task_switch+0x1b5/0x900 [ 48.300874] ? __switch_to_asm+0x34/0x70 [ 48.304941] ? mark_held_locks+0x130/0x130 [ 48.309177] ? __switch_to_asm+0x34/0x70 [ 48.313237] ? __switch_to_asm+0x40/0x70 [ 48.317294] ? __switch_to_asm+0x34/0x70 [ 48.321358] ? __switch_to_asm+0x40/0x70 [ 48.325422] ? __switch_to_asm+0x34/0x70 [ 48.329491] ? __switch_to_asm+0x34/0x70 [ 48.333555] ? __switch_to_asm+0x40/0x70 [ 48.337623] ? __switch_to_asm+0x34/0x70 [ 48.341691] ? __switch_to_asm+0x40/0x70 [ 48.345750] ? __switch_to_asm+0x34/0x70 [ 48.349821] ? mark_held_locks+0x130/0x130 [ 48.354061] ? __schedule+0x874/0x1ed0 [ 48.357957] ? __sched_text_start+0x8/0x8 [ 48.362111] ? prepare_to_wait_exclusive+0x1a6/0x480 [ 48.367230] ? lock_downgrade+0x900/0x900 [ 48.371390] ? trace_hardirqs_on+0xbd/0x310 [ 48.375715] ? kasan_check_read+0x11/0x20 [ 48.379864] ? prepare_to_wait_exclusive+0x1a6/0x480 [ 48.384977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 48.390434] ? kasan_check_write+0x14/0x20 [ 48.394690] ? lock_acquire+0x1ed/0x520 [ 48.398667] ? __lock_sock+0x203/0x350 [ 48.402556] ? lock_downgrade+0x900/0x900 [ 48.406720] ? release_sock+0x1ec/0x2c0 [ 48.410698] ? lock_downgrade+0x900/0x900 [ 48.414850] ? trace_hardirqs_on+0xbd/0x310 [ 48.419174] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.423592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 48.429064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.434606] ? check_preemption_disabled+0x48/0x200 [ 48.439629] ? release_sock+0x1ec/0x2c0 [ 48.443609] ? release_sock+0x1ec/0x2c0 [ 48.447592] ? __local_bh_enable_ip+0x160/0x260 [ 48.452276] ? _raw_spin_unlock_bh+0x30/0x40 [ 48.456687] ? release_sock+0x1ec/0x2c0 [ 48.460663] ? lock_sock_nested+0x9a/0x120 [ 48.464908] ? __release_sock+0x3a0/0x3a0 [ 48.469067] ? __local_bh_enable_ip+0x160/0x260 [ 48.473742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.479292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.484837] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 48.489165] ? mnt_get_count+0x150/0x150 [ 48.493235] futex_wake+0x1ac/0x760 [ 48.496868] ? get_futex_key+0x21b0/0x21b0 [ 48.501109] ? tx_work_handler+0xf0/0xf0 [ 48.505187] ? check_same_owner+0x330/0x330 [ 48.509515] ? aa_file_perm+0x469/0x1060 [ 48.513584] do_futex+0x2e4/0x26d0 [ 48.517137] ? aa_sk_perm+0x22b/0x8e0 [ 48.520946] ? exit_robust_list+0x280/0x280 [ 48.525276] ? inet_sendmsg+0x1a3/0x690 [ 48.529255] ? ipip_gro_receive+0x100/0x100 [ 48.533583] ? apparmor_socket_sendmsg+0x29/0x30 [ 48.538343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.543886] ? security_socket_sendmsg+0x94/0xc0 [ 48.548650] ? ipip_gro_receive+0x100/0x100 [ 48.552983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.558536] ? sock_sendmsg+0x5a/0x120 [ 48.562435] ? sock_write_iter+0x42a/0x5c0 [ 48.566681] ? sock_sendmsg+0x120/0x120 [ 48.570671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.576211] ? iov_iter_init+0xc2/0x1e0 [ 48.580190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.585736] ? __vfs_write+0x121/0x9f0 [ 48.589628] ? kernel_read+0x120/0x120 [ 48.593529] ? apparmor_path_rmdir+0x30/0x30 [ 48.597944] ? lock_release+0x970/0x970 [ 48.601925] ? check_preemption_disabled+0x48/0x200 [ 48.606949] ? apparmor_file_permission+0x24/0x30 [ 48.611795] ? rw_verify_area+0x118/0x360 [ 48.615952] __x64_sys_futex+0x472/0x6a0 [ 48.620022] ? do_futex+0x26d0/0x26d0 [ 48.623825] ? trace_hardirqs_on+0xbd/0x310 [ 48.628155] ? __ia32_sys_read+0xb0/0xb0 [ 48.632220] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.637591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 48.643056] do_syscall_64+0x1b9/0x820 [ 48.646944] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 48.652314] ? syscall_return_slowpath+0x5e0/0x5e0 [ 48.657245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.662094] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.667125] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 48.672153] ? prepare_exit_to_usermode+0x291/0x3b0 [ 48.677177] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.682030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.687218] RIP: 0033:0x447289 [ 48.690546] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.709457] RSP: 002b:00007f0d16df9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 48.717170] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447289 [ 48.724442] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc2c [ 48.731712] RBP: 00000000006dcc20 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 48.738985] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc2c [ 48.746260] R13: 00007ffde1c26b4f R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 48.753550] CPU: 0 PID: 6080 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 48.762140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.771572] Call Trace: [ 48.774164] dump_stack+0x1d3/0x2c4 [ 48.777793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 48.782985] ? mark_held_locks+0x130/0x130 [ 48.787227] should_fail.cold.4+0xa/0x17 [ 48.791289] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 48.796074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 48.801181] ? mark_held_locks+0x130/0x130 [ 48.805411] ? is_bpf_text_address+0xac/0x170 [ 48.809909] ? mark_held_locks+0x130/0x130 [ 48.814146] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 48.819079] ? kasan_check_read+0x11/0x20 [ 48.823229] ? __wake_up_common_lock+0x1d0/0x330 [ 48.827986] ? lock_downgrade+0x900/0x900 [ 48.832140] ? trace_hardirqs_on+0xbd/0x310 [ 48.836470] ? ima_match_policy+0x848/0x1560 [ 48.840884] ? lock_downgrade+0x900/0x900 [ 48.845030] ? do_raw_spin_lock+0xc1/0x200 [ 48.849266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 48.854194] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 48.859299] __alloc_pages_nodemask+0x34b/0xdd0 [ 48.863967] ? __wake_up_common+0x7d0/0x7d0 [ 48.868289] ? __lockdep_init_map+0x105/0x590 [ 48.872783] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 48.877805] ? mark_held_locks+0x130/0x130 [ 48.882042] ? mark_held_locks+0x130/0x130 [ 48.886272] ? mark_held_locks+0x130/0x130 [ 48.890517] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 48.896061] alloc_pages_current+0x10c/0x210 [ 48.900483] skb_page_frag_refill+0x45f/0x6a0 [ 48.904984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.910523] ? sock_kfree_s+0x60/0x60 [ 48.914331] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 48.919608] ? mark_held_locks+0x130/0x130 [ 48.923843] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 48.929292] sk_page_frag_refill+0x55/0x1f0 [ 48.933614] sk_alloc_sg+0x1e9/0xa00 [ 48.937331] ? sk_page_frag_refill+0x1f0/0x1f0 [ 48.941917] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 48.947367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.952919] ? check_preemption_disabled+0x48/0x200 [ 48.957935] ? lock_sock_nested+0x9a/0x120 [ 48.962167] ? lock_sock_nested+0x9a/0x120 [ 48.966405] alloc_encrypted_sg+0xb4/0x140 [ 48.970644] tls_sw_sendmsg+0x7ed/0x1fd0 [ 48.974709] ? mnt_get_count+0x150/0x150 [ 48.978799] ? dput.part.25+0x26d/0x790 [ 48.982776] ? aa_profile_af_perm+0x410/0x410 [ 48.987275] ? tx_work_handler+0xf0/0xf0 [ 48.991341] ? check_same_owner+0x330/0x330 [ 48.995666] ? aa_file_perm+0x469/0x1060 [ 48.999729] ? __might_sleep+0x95/0x190 [ 49.003702] ? aa_sk_perm+0x22b/0x8e0 [ 49.007510] ? aa_af_perm+0x5a0/0x5a0 [ 49.011318] inet_sendmsg+0x19c/0x690 [ 49.015118] ? ipip_gro_receive+0x100/0x100 [ 49.019914] ? apparmor_socket_sendmsg+0x29/0x30 [ 49.024673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.030208] ? security_socket_sendmsg+0x94/0xc0 [ 49.034963] ? ipip_gro_receive+0x100/0x100 [ 49.039289] sock_sendmsg+0xd5/0x120 [ 49.043004] sock_write_iter+0x35e/0x5c0 [ 49.047069] ? sock_sendmsg+0x120/0x120 [ 49.051049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.056582] ? iov_iter_init+0xc2/0x1e0 [ 49.060561] __vfs_write+0x6b8/0x9f0 [ 49.064273] ? kernel_read+0x120/0x120 [ 49.068160] ? apparmor_path_rmdir+0x30/0x30 [ 49.072568] ? lock_release+0x970/0x970 [ 49.076559] ? check_preemption_disabled+0x48/0x200 [ 49.081602] ? apparmor_file_permission+0x24/0x30 [ 49.086450] ? rw_verify_area+0x118/0x360 [ 49.090612] vfs_write+0x1fc/0x560 [ 49.094153] ksys_write+0x101/0x260 [ 49.097780] ? __ia32_sys_read+0xb0/0xb0 [ 49.101846] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.107296] __x64_sys_write+0x73/0xb0 [ 49.111187] do_syscall_64+0x1b9/0x820 [ 49.115078] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 49.120445] ? syscall_return_slowpath+0x5e0/0x5e0 [ 49.125391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.130239] ? trace_hardirqs_on_caller+0x310/0x310 [ 49.135261] ? prepare_exit_to_usermode+0x291/0x3b0 [ 49.140284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.145130] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.150319] RIP: 0033:0x447289 [ 49.153534] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.172433] RSP: 002b:00007f0d16df9ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.180149] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447289 [ 49.187417] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 49.194681] RBP: 00000000006dcc20 R08: 0000000000000001 R09: 0000000000000031 [ 49.201947] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 49.209212] R13: 0000000000000005 R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 49.222829] CPU: 0 PID: 6068 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 49.231425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.240772] Call Trace: [ 49.243368] dump_stack+0x1d3/0x2c4 [ 49.247002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.252202] should_fail.cold.4+0xa/0x17 [ 49.256266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 49.261374] ? mark_held_locks+0x130/0x130 [ 49.265620] ? mark_held_locks+0x130/0x130 [ 49.269857] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.274880] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.279894] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 49.284659] ? mark_held_locks+0x130/0x130 [ 49.288892] ? is_bpf_text_address+0xac/0x170 [ 49.293392] ? mark_held_locks+0x130/0x130 [ 49.297629] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 49.302568] ? kasan_check_read+0x11/0x20 [ 49.306808] ? __wake_up_common_lock+0x1d0/0x330 [ 49.311567] ? lock_downgrade+0x900/0x900 [ 49.315717] get_futex_key+0x127d/0x21b0 [ 49.319779] ? trace_hardirqs_on+0xbd/0x310 [ 49.324107] ? ima_match_policy+0x848/0x1560 [ 49.328523] ? lock_downgrade+0x900/0x900 [ 49.332670] ? do_raw_spin_lock+0xc1/0x200 [ 49.336902] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 49.341574] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 49.346520] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 49.351624] ? __wake_up_common_lock+0x1d0/0x330 [ 49.356379] ? __wake_up_common+0x7d0/0x7d0 [ 49.360706] ? mark_held_locks+0x130/0x130 [ 49.364950] ? mark_held_locks+0x130/0x130 [ 49.369198] ? check_same_owner+0x330/0x330 [ 49.373526] ? mark_held_locks+0x130/0x130 [ 49.377759] ? mark_held_locks+0x130/0x130 [ 49.381999] ? up_write+0x7b/0x220 [ 49.385539] ? down_write_nested+0x130/0x130 [ 49.389944] ? down_read+0x120/0x120 [ 49.393658] ? ima_get_action+0x7e/0xa0 [ 49.397640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.403182] ? process_measurement+0x280/0x1bf0 [ 49.407866] ? release_sock+0x1ec/0x2c0 [ 49.411844] ? lock_downgrade+0x900/0x900 [ 49.415994] ? trace_hardirqs_on+0xbd/0x310 [ 49.420328] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.424736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.430191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.435726] ? check_preemption_disabled+0x48/0x200 [ 49.440740] ? release_sock+0x1ec/0x2c0 [ 49.444713] ? release_sock+0x1ec/0x2c0 [ 49.448689] ? __local_bh_enable_ip+0x160/0x260 [ 49.453355] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.457766] ? release_sock+0x1ec/0x2c0 [ 49.461738] ? lock_sock_nested+0x9a/0x120 [ 49.465970] ? __release_sock+0x3a0/0x3a0 [ 49.470116] ? __local_bh_enable_ip+0x160/0x260 [ 49.474783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.480322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.485860] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 49.490182] ? mnt_get_count+0x150/0x150 [ 49.494246] futex_wake+0x1ac/0x760 [ 49.497879] ? get_futex_key+0x21b0/0x21b0 [ 49.502116] ? tx_work_handler+0xf0/0xf0 [ 49.506180] ? check_same_owner+0x330/0x330 [ 49.510514] ? aa_file_perm+0x469/0x1060 [ 49.514579] do_futex+0x2e4/0x26d0 [ 49.518121] ? aa_sk_perm+0x22b/0x8e0 [ 49.521926] ? exit_robust_list+0x280/0x280 [ 49.526250] ? inet_sendmsg+0x1a3/0x690 [ 49.530227] ? ipip_gro_receive+0x100/0x100 [ 49.534549] ? apparmor_socket_sendmsg+0x29/0x30 [ 49.539307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.544843] ? security_socket_sendmsg+0x94/0xc0 [ 49.549601] ? ipip_gro_receive+0x100/0x100 [ 49.553927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.559472] ? sock_sendmsg+0x5a/0x120 [ 49.563370] ? sock_write_iter+0x42a/0x5c0 [ 49.567605] ? sock_sendmsg+0x120/0x120 [ 49.571595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.577131] ? iov_iter_init+0xc2/0x1e0 [ 49.581113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.586647] ? __vfs_write+0x121/0x9f0 [ 49.590542] ? kernel_read+0x120/0x120 [ 49.594436] ? apparmor_path_rmdir+0x30/0x30 [ 49.598850] ? lock_release+0x970/0x970 [ 49.602831] ? check_preemption_disabled+0x48/0x200 [ 49.607858] ? apparmor_file_permission+0x24/0x30 [ 49.612705] ? rw_verify_area+0x118/0x360 [ 49.616857] __x64_sys_futex+0x472/0x6a0 [ 49.620919] ? do_futex+0x26d0/0x26d0 [ 49.624721] ? trace_hardirqs_on+0xbd/0x310 [ 49.629045] ? __ia32_sys_read+0xb0/0xb0 [ 49.633107] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.638484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.643950] do_syscall_64+0x1b9/0x820 [ 49.647839] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 49.653211] ? syscall_return_slowpath+0x5e0/0x5e0 [ 49.658141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.662986] ? trace_hardirqs_on_caller+0x310/0x310 [ 49.668003] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 49.673023] ? prepare_exit_to_usermode+0x291/0x3b0 [ 49.678046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.682893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.688083] RIP: 0033:0x447289 [ 49.691274] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.710170] RSP: 002b:00007f0d16df9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 49.717880] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447289 [ 49.725149] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc2c executing program [ 49.732412] RBP: 00000000006dcc20 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 49.739679] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc2c [ 49.746943] R13: 00007ffde1c26b4f R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 49.755057] CPU: 1 PID: 6084 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 49.762780] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 49.763741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.763747] Call Trace: [ 49.763770] dump_stack+0x1d3/0x2c4 [ 49.763789] ? dump_stack_print_info.cold.2+0x52/0x52 [ 49.763811] should_fail.cold.4+0xa/0x17 [ 49.798869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 49.803977] ? mark_held_locks+0x130/0x130 [ 49.808221] ? mark_held_locks+0x130/0x130 [ 49.812461] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.817501] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.822527] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 49.827291] ? mark_held_locks+0x130/0x130 [ 49.831525] ? is_bpf_text_address+0xac/0x170 [ 49.836027] ? mark_held_locks+0x130/0x130 [ 49.840266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 49.845200] ? kasan_check_read+0x11/0x20 [ 49.849349] ? __wake_up_common_lock+0x1d0/0x330 [ 49.854103] ? lock_downgrade+0x900/0x900 [ 49.858257] get_futex_key+0x127d/0x21b0 [ 49.862317] ? trace_hardirqs_on+0xbd/0x310 [ 49.866646] ? ima_match_policy+0x848/0x1560 [ 49.871055] ? lock_downgrade+0x900/0x900 [ 49.875202] ? do_raw_spin_lock+0xc1/0x200 [ 49.879434] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 49.884112] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 49.889045] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 49.894150] ? __wake_up_common_lock+0x1d0/0x330 [ 49.898924] ? __wake_up_common+0x7d0/0x7d0 [ 49.903248] ? mark_held_locks+0x130/0x130 [ 49.907500] ? mark_held_locks+0x130/0x130 [ 49.911739] ? check_same_owner+0x330/0x330 [ 49.916076] ? mark_held_locks+0x130/0x130 [ 49.920316] ? mark_held_locks+0x130/0x130 [ 49.924558] ? up_write+0x7b/0x220 [ 49.928110] ? down_write_nested+0x130/0x130 [ 49.932517] ? down_read+0x120/0x120 [ 49.936231] ? ima_get_action+0x7e/0xa0 [ 49.940243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.945795] ? process_measurement+0x280/0x1bf0 [ 49.950486] ? release_sock+0x1ec/0x2c0 [ 49.954471] ? lock_downgrade+0x900/0x900 [ 49.958639] ? trace_hardirqs_on+0xbd/0x310 [ 49.962957] ? _raw_spin_unlock_bh+0x30/0x40 [ 49.967364] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 49.972826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.978361] ? check_preemption_disabled+0x48/0x200 [ 49.983379] ? release_sock+0x1ec/0x2c0 [ 49.987355] ? release_sock+0x1ec/0x2c0 [ 49.991331] ? __local_bh_enable_ip+0x160/0x260 [ 49.996010] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.000417] ? release_sock+0x1ec/0x2c0 [ 50.004391] ? lock_sock_nested+0x9a/0x120 [ 50.008630] ? __release_sock+0x3a0/0x3a0 [ 50.012780] ? __local_bh_enable_ip+0x160/0x260 [ 50.017699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.023247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.028807] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 50.033126] ? mnt_get_count+0x150/0x150 [ 50.037190] futex_wake+0x1ac/0x760 [ 50.040821] ? get_futex_key+0x21b0/0x21b0 [ 50.045054] ? tx_work_handler+0xf0/0xf0 [ 50.049117] ? check_same_owner+0x330/0x330 [ 50.053443] ? aa_file_perm+0x469/0x1060 [ 50.057517] do_futex+0x2e4/0x26d0 [ 50.061060] ? aa_sk_perm+0x22b/0x8e0 [ 50.064864] ? exit_robust_list+0x280/0x280 [ 50.069187] ? inet_sendmsg+0x1a3/0x690 [ 50.073164] ? ipip_gro_receive+0x100/0x100 [ 50.077492] ? apparmor_socket_sendmsg+0x29/0x30 [ 50.082261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.087798] ? security_socket_sendmsg+0x94/0xc0 [ 50.092553] ? ipip_gro_receive+0x100/0x100 [ 50.096880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.102418] ? sock_sendmsg+0x5a/0x120 [ 50.106320] ? sock_write_iter+0x42a/0x5c0 [ 50.110567] ? sock_sendmsg+0x120/0x120 [ 50.114549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.120082] ? iov_iter_init+0xc2/0x1e0 [ 50.124321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.129861] ? __vfs_write+0x121/0x9f0 [ 50.133753] ? kernel_read+0x120/0x120 [ 50.137646] ? apparmor_path_rmdir+0x30/0x30 [ 50.142060] ? lock_release+0x970/0x970 [ 50.146049] ? check_preemption_disabled+0x48/0x200 [ 50.151097] ? apparmor_file_permission+0x24/0x30 [ 50.155944] ? rw_verify_area+0x118/0x360 [ 50.160096] __x64_sys_futex+0x472/0x6a0 [ 50.164157] ? do_futex+0x26d0/0x26d0 [ 50.167968] ? trace_hardirqs_on+0xbd/0x310 [ 50.172291] ? __ia32_sys_read+0xb0/0xb0 [ 50.176353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.181725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.187193] do_syscall_64+0x1b9/0x820 [ 50.191091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.196480] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.201420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.206272] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.211297] ? prepare_exit_to_usermode+0x291/0x3b0 [ 50.216314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.221163] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.226349] RIP: 0033:0x447289 [ 50.229542] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.248444] RSP: 002b:00007f0d16df9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 50.256174] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447289 [ 50.263440] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc2c [ 50.270726] RBP: 00000000006dcc20 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 50.277997] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc2c executing program executing program executing program executing program executing program [ 50.285263] R13: 00007ffde1c26b4f R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 50.315566] FAULT_INJECTION: forcing a failure. [ 50.315566] name fail_futex, interval 1, probability 0, space 0, times 0 [ 50.316999] FAULT_INJECTION: forcing a failure. [ 50.316999] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 50.327327] CPU: 1 PID: 6106 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 50.341483] FAULT_INJECTION: forcing a failure. [ 50.341483] name fail_futex, interval 1, probability 0, space 0, times 0 [ 50.347506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.347512] Call Trace: [ 50.347534] dump_stack+0x1d3/0x2c4 [ 50.347559] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.379900] should_fail.cold.4+0xa/0x17 [ 50.383984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 50.389101] ? mark_held_locks+0x130/0x130 [ 50.393345] ? mark_held_locks+0x130/0x130 [ 50.397584] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.402610] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.407637] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 50.412405] ? mark_held_locks+0x130/0x130 [ 50.416639] ? is_bpf_text_address+0xac/0x170 [ 50.422092] ? mark_held_locks+0x130/0x130 [ 50.426331] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 50.431263] ? kasan_check_read+0x11/0x20 [ 50.435415] ? __wake_up_common_lock+0x1d0/0x330 [ 50.440178] ? lock_downgrade+0x900/0x900 [ 50.444336] get_futex_key+0x127d/0x21b0 [ 50.448404] ? trace_hardirqs_on+0xbd/0x310 [ 50.452734] ? ima_match_policy+0x848/0x1560 [ 50.457149] ? lock_downgrade+0x900/0x900 [ 50.461304] ? do_raw_spin_lock+0xc1/0x200 [ 50.465539] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 50.470209] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 50.475145] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 50.480249] ? __wake_up_common_lock+0x1d0/0x330 [ 50.485013] ? __wake_up_common+0x7d0/0x7d0 [ 50.489342] ? mark_held_locks+0x130/0x130 [ 50.493588] ? mark_held_locks+0x130/0x130 [ 50.497831] ? check_same_owner+0x330/0x330 [ 50.502160] ? mark_held_locks+0x130/0x130 [ 50.506397] ? mark_held_locks+0x130/0x130 [ 50.510640] ? up_write+0x7b/0x220 [ 50.514183] ? down_write_nested+0x130/0x130 [ 50.518598] ? down_read+0x120/0x120 [ 50.522315] ? ima_get_action+0x7e/0xa0 [ 50.526296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.531836] ? process_measurement+0x280/0x1bf0 [ 50.536523] ? release_sock+0x1ec/0x2c0 [ 50.540507] ? lock_downgrade+0x900/0x900 [ 50.544670] ? trace_hardirqs_on+0xbd/0x310 [ 50.549001] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.553417] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.558874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.564417] ? check_preemption_disabled+0x48/0x200 [ 50.569437] ? release_sock+0x1ec/0x2c0 [ 50.573424] ? release_sock+0x1ec/0x2c0 [ 50.577395] ? __local_bh_enable_ip+0x160/0x260 [ 50.582058] ? _raw_spin_unlock_bh+0x30/0x40 [ 50.586506] ? release_sock+0x1ec/0x2c0 [ 50.590494] ? lock_sock_nested+0x9a/0x120 [ 50.594739] ? __release_sock+0x3a0/0x3a0 [ 50.598895] ? __local_bh_enable_ip+0x160/0x260 [ 50.603575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.609121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.614658] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 50.618980] ? mnt_get_count+0x150/0x150 [ 50.623055] futex_wake+0x1ac/0x760 [ 50.626695] ? get_futex_key+0x21b0/0x21b0 [ 50.630931] ? tx_work_handler+0xf0/0xf0 [ 50.635003] ? check_same_owner+0x330/0x330 [ 50.639330] ? aa_file_perm+0x469/0x1060 [ 50.643393] do_futex+0x2e4/0x26d0 [ 50.646939] ? aa_sk_perm+0x22b/0x8e0 [ 50.650745] ? exit_robust_list+0x280/0x280 [ 50.655073] ? inet_sendmsg+0x1a3/0x690 [ 50.659055] ? ipip_gro_receive+0x100/0x100 [ 50.663384] ? apparmor_socket_sendmsg+0x29/0x30 [ 50.668143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.673689] ? security_socket_sendmsg+0x94/0xc0 [ 50.678451] ? ipip_gro_receive+0x100/0x100 [ 50.682798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.688339] ? sock_sendmsg+0x5a/0x120 [ 50.692231] ? sock_write_iter+0x42a/0x5c0 [ 50.696480] ? sock_sendmsg+0x120/0x120 [ 50.700476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.706022] ? iov_iter_init+0xc2/0x1e0 [ 50.710008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.715550] ? __vfs_write+0x121/0x9f0 [ 50.719444] ? kernel_read+0x120/0x120 [ 50.723345] ? apparmor_path_rmdir+0x30/0x30 [ 50.727754] ? lock_release+0x970/0x970 [ 50.731732] ? check_preemption_disabled+0x48/0x200 [ 50.736759] ? apparmor_file_permission+0x24/0x30 [ 50.741607] ? rw_verify_area+0x118/0x360 [ 50.745759] __x64_sys_futex+0x472/0x6a0 [ 50.749828] ? do_futex+0x26d0/0x26d0 [ 50.753631] ? trace_hardirqs_on+0xbd/0x310 [ 50.757956] ? __ia32_sys_read+0xb0/0xb0 [ 50.762026] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.767398] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.772858] do_syscall_64+0x1b9/0x820 [ 50.776748] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.782145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.787076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.791923] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.796945] ? prepare_exit_to_usermode+0x291/0x3b0 [ 50.801964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.806818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.812010] RIP: 0033:0x447289 [ 50.815208] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.834110] RSP: 002b:00007f0d16dd8ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 50.841818] RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000447289 [ 50.849086] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc3c [ 50.856351] RBP: 00000000006dcc30 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 50.863621] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc3c [ 50.870890] R13: 00007ffde1c26b4f R14: 00007f0d16dd99c0 R15: 0000000000000001 [ 50.878173] CPU: 0 PID: 6108 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 50.886758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.896109] Call Trace: [ 50.898700] dump_stack+0x1d3/0x2c4 [ 50.902341] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.907541] should_fail.cold.4+0xa/0x17 [ 50.911612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 50.916720] ? mark_held_locks+0x130/0x130 [ 50.920962] ? mark_held_locks+0x130/0x130 [ 50.925198] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.930224] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.935328] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 50.940093] ? mark_held_locks+0x130/0x130 [ 50.944330] ? is_bpf_text_address+0xac/0x170 [ 50.948828] ? mark_held_locks+0x130/0x130 [ 50.953071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 50.958019] ? kasan_check_read+0x11/0x20 [ 50.962174] ? __wake_up_common_lock+0x1d0/0x330 [ 50.966936] ? lock_downgrade+0x900/0x900 [ 50.971091] get_futex_key+0x127d/0x21b0 [ 50.975162] ? trace_hardirqs_on+0xbd/0x310 [ 50.979507] ? ima_match_policy+0x848/0x1560 [ 50.983933] ? lock_downgrade+0x900/0x900 [ 50.988083] ? do_raw_spin_lock+0xc1/0x200 [ 50.992325] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 50.996997] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 51.001928] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 51.007043] ? __wake_up_common_lock+0x1d0/0x330 [ 51.011807] ? __wake_up_common+0x7d0/0x7d0 [ 51.016133] ? mark_held_locks+0x130/0x130 [ 51.020377] ? mark_held_locks+0x130/0x130 [ 51.024623] ? check_same_owner+0x330/0x330 [ 51.028954] ? mark_held_locks+0x130/0x130 [ 51.033193] ? mark_held_locks+0x130/0x130 [ 51.037438] ? up_write+0x7b/0x220 [ 51.040989] ? down_write_nested+0x130/0x130 [ 51.045405] ? down_read+0x120/0x120 [ 51.049126] ? ima_get_action+0x7e/0xa0 [ 51.053108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.058653] ? process_measurement+0x280/0x1bf0 [ 51.063336] ? release_sock+0x1ec/0x2c0 [ 51.067322] ? lock_downgrade+0x900/0x900 [ 51.071502] ? trace_hardirqs_on+0xbd/0x310 [ 51.075829] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.080245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.085700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.091239] ? check_preemption_disabled+0x48/0x200 [ 51.096257] ? release_sock+0x1ec/0x2c0 [ 51.100245] ? release_sock+0x1ec/0x2c0 [ 51.104228] ? __local_bh_enable_ip+0x160/0x260 [ 51.108901] ? _raw_spin_unlock_bh+0x30/0x40 [ 51.113311] ? release_sock+0x1ec/0x2c0 [ 51.117295] ? lock_sock_nested+0x9a/0x120 [ 51.121533] ? __release_sock+0x3a0/0x3a0 [ 51.126162] ? __local_bh_enable_ip+0x160/0x260 [ 51.130834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.135782] FAULT_INJECTION: forcing a failure. [ 51.135782] name fail_futex, interval 1, probability 0, space 0, times 0 [ 51.136378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.136393] ? tls_sw_sendmsg+0x1201/0x1fd0 [ 51.136417] ? mnt_get_count+0x150/0x150 [ 51.161658] futex_wake+0x1ac/0x760 [ 51.165299] ? get_futex_key+0x21b0/0x21b0 [ 51.169542] ? tx_work_handler+0xf0/0xf0 [ 51.173608] ? check_same_owner+0x330/0x330 [ 51.177936] ? aa_file_perm+0x469/0x1060 [ 51.182001] do_futex+0x2e4/0x26d0 [ 51.185555] ? aa_sk_perm+0x22b/0x8e0 [ 51.189362] ? exit_robust_list+0x280/0x280 [ 51.193690] ? inet_sendmsg+0x1a3/0x690 [ 51.197691] ? ipip_gro_receive+0x100/0x100 [ 51.202023] ? apparmor_socket_sendmsg+0x29/0x30 [ 51.206787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.212326] ? security_socket_sendmsg+0x94/0xc0 [ 51.217087] ? ipip_gro_receive+0x100/0x100 [ 51.221413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.226951] ? sock_sendmsg+0x5a/0x120 [ 51.230843] ? sock_write_iter+0x42a/0x5c0 [ 51.235085] ? sock_sendmsg+0x120/0x120 [ 51.239069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.244609] ? iov_iter_init+0xc2/0x1e0 [ 51.248590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.254131] ? __vfs_write+0x121/0x9f0 [ 51.258026] ? kernel_read+0x120/0x120 [ 51.261917] ? apparmor_path_rmdir+0x30/0x30 [ 51.266329] ? lock_release+0x970/0x970 [ 51.270309] ? check_preemption_disabled+0x48/0x200 [ 51.275341] ? apparmor_file_permission+0x24/0x30 [ 51.280187] ? rw_verify_area+0x118/0x360 [ 51.284343] __x64_sys_futex+0x472/0x6a0 [ 51.288408] ? do_futex+0x26d0/0x26d0 [ 51.292212] ? trace_hardirqs_on+0xbd/0x310 [ 51.296538] ? __ia32_sys_read+0xb0/0xb0 [ 51.300604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.305977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.311439] do_syscall_64+0x1b9/0x820 [ 51.315345] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 51.320722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 51.325655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.330517] ? trace_hardirqs_on_caller+0x310/0x310 [ 51.335542] ? prepare_exit_to_usermode+0x291/0x3b0 [ 51.340594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.345447] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.350667] RIP: 0033:0x447289 [ 51.353862] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.372765] RSP: 002b:00007f0d16df9ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 51.380487] RAX: ffffffffffffffda RBX: 00000000006dcc28 RCX: 0000000000447289 [ 51.387764] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc2c [ 51.395033] RBP: 00000000006dcc20 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 51.402303] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc2c [ 51.409575] R13: 00007ffde1c26b4f R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 51.416864] CPU: 1 PID: 6121 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 51.424308] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 51.425480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.425485] Call Trace: [ 51.425510] dump_stack+0x1d3/0x2c4 [ 51.425532] ? dump_stack_print_info.cold.2+0x52/0x52 [ 51.456546] should_fail.cold.4+0xa/0x17 [ 51.460611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 51.465720] ? update_load_avg+0x387/0x2470 [ 51.470039] ? __update_load_avg_blocked_se+0x730/0x730 [ 51.475409] ? mark_held_locks+0x130/0x130 [ 51.479647] ? attach_entity_load_avg+0x860/0x860 [ 51.484496] ? __update_load_avg_se+0x664/0xb90 [ 51.489168] ? mark_held_locks+0x130/0x130 [ 51.493403] ? __update_load_avg_blocked_se+0x730/0x730 [ 51.498786] ? __update_load_avg_se+0xb90/0xb90 [ 51.503452] ? attach_entity_load_avg+0x860/0x860 [ 51.508306] ? mark_held_locks+0x130/0x130 [ 51.512542] ? update_load_avg+0x387/0x2470 [ 51.516870] get_futex_key+0x127d/0x21b0 [ 51.520936] ? kasan_check_read+0x11/0x20 [ 51.525082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 51.529495] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 51.534176] ? __this_cpu_preempt_check+0x1c/0x1f [ 51.539031] ? _raw_spin_unlock+0x2c/0x50 [ 51.543180] ? free_one_page+0xcae/0x1700 [ 51.547346] ? lock_downgrade+0x900/0x900 [ 51.551507] ? debug_check_no_obj_freed+0x305/0x58d [ 51.556531] ? mark_held_locks+0x130/0x130 [ 51.560769] ? trace_hardirqs_on+0xbd/0x310 [ 51.565088] ? kasan_check_read+0x11/0x20 [ 51.569236] ? debug_check_no_obj_freed+0x305/0x58d [ 51.574253] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.579704] ? kasan_check_write+0x14/0x20 [ 51.583934] ? do_raw_spin_lock+0xc1/0x200 [ 51.588175] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 51.593281] ? debug_check_no_obj_freed+0x305/0x58d [ 51.598303] ? mark_held_locks+0x130/0x130 [ 51.602538] ? trace_hardirqs_on+0xbd/0x310 [ 51.606862] ? mark_held_locks+0x130/0x130 [ 51.611100] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 51.616644] ? mark_held_locks+0x130/0x130 [ 51.620876] ? rcu_note_context_switch+0x7d3/0x2150 [ 51.625895] ? __debug_object_init+0x57d/0x1290 [ 51.630564] ? lock_downgrade+0x900/0x900 [ 51.634711] ? lock_downgrade+0x900/0x900 [ 51.638862] ? trace_hardirqs_on+0xbd/0x310 [ 51.643182] ? kasan_check_read+0x11/0x20 [ 51.647335] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 51.652353] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 51.657111] ? is_bpf_text_address+0xac/0x170 [ 51.661607] ? lock_downgrade+0x900/0x900 [ 51.665761] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 51.670694] futex_wake+0x1ac/0x760 [ 51.674332] ? get_futex_key+0x21b0/0x21b0 [ 51.678572] ? mark_held_locks+0x130/0x130 [ 51.682808] do_futex+0x2e4/0x26d0 [ 51.686363] ? mark_held_locks+0x130/0x130 [ 51.690601] ? mark_held_locks+0x130/0x130 [ 51.694834] ? destroy_inode+0x159/0x200 [ 51.698891] ? iput+0x674/0xa90 [ 51.702172] ? exit_robust_list+0x280/0x280 [ 51.706501] ? do_syscall_64+0x6be/0x820 [ 51.710572] ? mark_held_locks+0x130/0x130 [ 51.714823] ? mark_held_locks+0x130/0x130 [ 51.719062] ? trace_hardirqs_off+0xb8/0x310 [ 51.723479] ? trace_hardirqs_on+0x310/0x310 [ 51.727891] ? debug_check_no_obj_freed+0x305/0x58d [ 51.732913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.738446] ? check_preemption_disabled+0x48/0x200 [ 51.743481] ? trace_hardirqs_on+0xbd/0x310 [ 51.747809] ? sock_destroy_inode+0x51/0x60 [ 51.752136] ? __delayacct_add_tsk+0x649/0x780 [ 51.756717] ? taskstats_exit+0x30d/0xed0 [ 51.760868] ? __might_fault+0x12b/0x1e0 [ 51.764932] ? __might_fault+0x12b/0x1e0 [ 51.769001] ? lock_downgrade+0x900/0x900 [ 51.773152] ? trace_hardirqs_on_caller+0xc0/0x310 [ 51.778082] ? lock_release+0x970/0x970 [ 51.782053] ? check_same_owner+0x330/0x330 [ 51.786386] mm_release+0x46a/0x5f0 [ 51.790016] ? mm_access+0x160/0x160 [ 51.793731] ? kasan_check_write+0x14/0x20 [ 51.797961] ? do_raw_spin_lock+0xc1/0x200 [ 51.802203] ? _raw_spin_unlock_irq+0x60/0x80 [ 51.806695] ? acct_collect+0x70c/0x860 [ 51.810670] do_exit+0x56b/0x2610 [ 51.814131] ? trace_raw_output_preemptirq_template+0x130/0x130 [ 51.820204] ? mm_update_next_owner+0x990/0x990 [ 51.824885] ? debug_object_active_state+0x2f5/0x4d0 [ 51.830009] ? lock_downgrade+0x900/0x900 [ 51.834163] ? trace_hardirqs_on+0xbd/0x310 [ 51.838489] ? kasan_check_read+0x11/0x20 [ 51.842648] ? mark_held_locks+0x130/0x130 [ 51.846884] ? kasan_check_write+0x14/0x20 [ 51.851125] ? do_raw_spin_lock+0xc1/0x200 [ 51.855370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.860905] ? check_preemption_disabled+0x48/0x200 [ 51.865928] ? mark_held_locks+0x130/0x130 [ 51.870161] ? call_rcu+0xb/0x10 [ 51.873528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.878979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.884524] ? check_preemption_disabled+0x48/0x200 [ 51.889719] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.895176] ? rcu_is_watching+0x30/0x30 [ 51.899237] ? __kasan_slab_free+0x119/0x150 [ 51.903646] ? kzfree+0x28/0x30 [ 51.906928] ? kzfree+0x28/0x30 [ 51.910207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.915742] ? check_preemption_disabled+0x48/0x200 [ 51.920761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.926303] ? memset+0x31/0x40 [ 51.929582] ? __dequeue_signal+0xf9/0x7d0 [ 51.933817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.939354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.944901] ? get_signal+0x953/0x1970 [ 51.948810] ? lock_downgrade+0x900/0x900 [ 51.952956] ? do_raw_spin_lock+0xc1/0x200 [ 51.957202] do_group_exit+0x177/0x440 [ 51.961179] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.966628] ? __ia32_sys_exit+0x50/0x50 [ 51.970689] ? kasan_check_write+0x14/0x20 [ 51.974921] ? do_raw_spin_lock+0xc1/0x200 [ 51.979161] get_signal+0x8a8/0x1970 [ 51.982880] ? ptrace_notify+0x130/0x130 [ 51.986941] ? sock_sendmsg+0x120/0x120 [ 51.990920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.996450] ? iov_iter_init+0xc2/0x1e0 [ 52.000460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.006012] ? __vfs_write+0x121/0x9f0 [ 52.009900] do_signal+0x9c/0x21c0 [ 52.013438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.019247] ? check_preemption_disabled+0x48/0x200 [ 52.024264] ? setup_sigcontext+0x7d0/0x7d0 [ 52.028587] ? task_work_add+0x123/0x1f0 [ 52.032649] ? cpumask_weight.constprop.5+0x3f/0x3f [ 52.037666] ? trace_hardirqs_on+0xbd/0x310 [ 52.041991] ? do_syscall_64+0x6be/0x820 [ 52.046067] ? fput+0x130/0x1a0 [ 52.049353] exit_to_usermode_loop+0x2e5/0x380 [ 52.053933] ? syscall_trace_enter+0x1260/0x1260 [ 52.058696] do_syscall_64+0x6be/0x820 [ 52.062582] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 52.067949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 52.072874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.077719] ? trace_hardirqs_on_caller+0x310/0x310 [ 52.082734] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 52.087749] ? prepare_exit_to_usermode+0x291/0x3b0 [ 52.092767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.097624] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.102814] RIP: 0033:0x447289 executing program executing program [ 52.106011] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.124922] RSP: 002b:00007f0d16d96ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.132629] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000447289 [ 52.139916] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 52.147182] RBP: 00000000006dcc50 R08: 0000000000000001 R09: 0000000000000031 [ 52.154446] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 52.161719] R13: 0000000000000005 R14: 00007f0d16d979c0 R15: 0000000000000003 [ 52.169484] CPU: 0 PID: 6107 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 52.178089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.187438] Call Trace: [ 52.190036] dump_stack+0x1d3/0x2c4 [ 52.193670] ? dump_stack_print_info.cold.2+0x52/0x52 [ 52.198866] ? mark_held_locks+0x130/0x130 [ 52.203107] should_fail.cold.4+0xa/0x17 [ 52.207167] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 52.211929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 52.217036] ? mark_held_locks+0x130/0x130 [ 52.221272] ? is_bpf_text_address+0xac/0x170 [ 52.225766] ? mark_held_locks+0x130/0x130 [ 52.230006] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 52.234950] ? kasan_check_read+0x11/0x20 [ 52.239110] ? __wake_up_common_lock+0x1d0/0x330 [ 52.243864] ? lock_downgrade+0x900/0x900 [ 52.248014] ? trace_hardirqs_on+0xbd/0x310 [ 52.252340] ? ima_match_policy+0x848/0x1560 [ 52.256746] ? lock_downgrade+0x900/0x900 [ 52.260893] ? do_raw_spin_lock+0xc1/0x200 [ 52.265127] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 52.270055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 52.275163] __alloc_pages_nodemask+0x34b/0xdd0 [ 52.279829] ? __wake_up_common+0x7d0/0x7d0 [ 52.284149] ? __lockdep_init_map+0x105/0x590 [ 52.288649] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 52.293671] ? mark_held_locks+0x130/0x130 [ 52.297910] ? mark_held_locks+0x130/0x130 [ 52.302145] ? mark_held_locks+0x130/0x130 [ 52.306386] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 52.311929] alloc_pages_current+0x10c/0x210 [ 52.316340] skb_page_frag_refill+0x45f/0x6a0 [ 52.320836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.326371] ? sock_kfree_s+0x60/0x60 [ 52.330179] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 52.335457] ? mark_held_locks+0x130/0x130 [ 52.339709] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 52.345164] sk_page_frag_refill+0x55/0x1f0 [ 52.349516] sk_alloc_sg+0x1e9/0xa00 [ 52.353234] ? sk_page_frag_refill+0x1f0/0x1f0 [ 52.357821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 52.363286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.368824] ? check_preemption_disabled+0x48/0x200 [ 52.373841] ? lock_sock_nested+0x9a/0x120 [ 52.378075] ? lock_sock_nested+0x9a/0x120 [ 52.382314] alloc_encrypted_sg+0xb4/0x140 [ 52.386578] tls_sw_sendmsg+0x7ed/0x1fd0 [ 52.390638] ? mnt_get_count+0x150/0x150 [ 52.394704] ? dput.part.25+0x26d/0x790 [ 52.398681] ? aa_profile_af_perm+0x410/0x410 [ 52.403177] ? tx_work_handler+0xf0/0xf0 [ 52.407240] ? check_same_owner+0x330/0x330 [ 52.411566] ? aa_file_perm+0x469/0x1060 [ 52.415634] ? __might_sleep+0x95/0x190 [ 52.419608] ? aa_sk_perm+0x22b/0x8e0 [ 52.423422] ? aa_af_perm+0x5a0/0x5a0 [ 52.427227] inet_sendmsg+0x19c/0x690 [ 52.431030] ? ipip_gro_receive+0x100/0x100 [ 52.435354] ? apparmor_socket_sendmsg+0x29/0x30 [ 52.440110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.445673] ? security_socket_sendmsg+0x94/0xc0 [ 52.450423] ? ipip_gro_receive+0x100/0x100 [ 52.454742] sock_sendmsg+0xd5/0x120 [ 52.458459] sock_write_iter+0x35e/0x5c0 [ 52.462539] ? sock_sendmsg+0x120/0x120 [ 52.466527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 52.472063] ? iov_iter_init+0xc2/0x1e0 [ 52.476042] __vfs_write+0x6b8/0x9f0 [ 52.479755] ? kernel_read+0x120/0x120 [ 52.483644] ? apparmor_path_rmdir+0x30/0x30 [ 52.488050] ? lock_release+0x970/0x970 [ 52.492023] ? check_preemption_disabled+0x48/0x200 [ 52.497046] ? apparmor_file_permission+0x24/0x30 [ 52.501893] ? rw_verify_area+0x118/0x360 [ 52.506040] vfs_write+0x1fc/0x560 [ 52.509580] ksys_write+0x101/0x260 [ 52.513210] ? __ia32_sys_read+0xb0/0xb0 [ 52.517272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 52.522750] __x64_sys_write+0x73/0xb0 [ 52.526652] do_syscall_64+0x1b9/0x820 [ 52.530541] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 52.535906] ? syscall_return_slowpath+0x5e0/0x5e0 [ 52.540833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.545676] ? trace_hardirqs_on_caller+0x310/0x310 [ 52.550701] ? prepare_exit_to_usermode+0x291/0x3b0 [ 52.555893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.560739] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.565926] RIP: 0033:0x447289 [ 52.569149] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.588047] RSP: 002b:00007f0d16df9ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.596155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447289 [ 52.603430] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 52.610698] RBP: 00000000006dcc20 R08: 0000000000000001 R09: 0000000000000031 [ 52.617966] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff executing program executing program [ 52.625231] R13: 0000000000000005 R14: 00007f0d16dfa9c0 R15: 0000000000000000 [ 52.640600] FAULT_INJECTION: forcing a failure. [ 52.640600] name fail_futex, interval 1, probability 0, space 0, times 0 [ 52.654591] CPU: 1 PID: 6129 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 52.663179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.672526] Call Trace: [ 52.675116] dump_stack+0x1d3/0x2c4 [ 52.678748] ? dump_stack_print_info.cold.2+0x52/0x52 [ 52.683949] should_fail.cold.4+0xa/0x17 [ 52.688019] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 52.693120] ? mark_held_locks+0x130/0x130 [ 52.697365] ? mark_held_locks+0x130/0x130 [ 52.701601] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 52.706625] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 52.711640] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 52.716402] ? mark_held_locks+0x130/0x130 [ 52.720635] ? is_bpf_text_address+0xac/0x170 [ 52.725131] ? mark_held_locks+0x130/0x130 [ 52.729369] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 52.734301] ? kasan_check_read+0x11/0x20 [ 52.738450] ? __wake_up_common_lock+0x1d0/0x330 [ 52.743218] ? lock_downgrade+0x900/0x900 [ 52.747366] get_futex_key+0x127d/0x21b0 [ 52.751424] ? trace_hardirqs_on+0xbd/0x310 [ 52.755748] ? ima_match_policy+0x848/0x1560 [ 52.760156] ? lock_downgrade+0x900/0x900 [ 52.764299] ? do_raw_spin_lock+0xc1/0x200 [ 52.768535] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 52.773206] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 52.778131] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 52.783229] ? __wake_up_common_lock+0x1d0/0x330 [ 52.787986] ? __wake_up_common+0x7d0/0x7d0 [ 52.792341] ? __lockdep_init_map+0x105/0x590 [ 52.796847] ? mark_held_locks+0x130/0x130 [ 52.801170] ? check_same_owner+0x330/0x330 [ 52.805509] ? mark_held_locks+0x130/0x130 [ 52.809747] ? mark_held_locks+0x130/0x130 [ 52.813988] ? up_write+0x7b/0x220 [ 52.817533] ? down_write_nested+0x130/0x130 [ 52.821955] ? down_read+0x120/0x120 [ 52.825672] ? ima_get_action+0x7e/0xa0 [ 52.829649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.835186] ? process_measurement+0x280/0x1bf0 [ 52.839865] ? ima_add_template_entry.cold.4+0x3c/0x3c [ 52.845157] ? mark_held_locks+0x130/0x130 [ 52.849390] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 52.854852] ? mark_held_locks+0x130/0x130 [ 52.859089] ? dput.part.25+0x241/0x790 [ 52.863061] ? lock_downgrade+0x900/0x900 [ 52.867214] ? mark_held_locks+0x130/0x130 [ 52.871448] ? mnt_get_count+0x150/0x150 [ 52.875522] futex_wake+0x1ac/0x760 [ 52.879151] ? shrink_dcache_sb+0x350/0x350 [ 52.883483] ? get_futex_key+0x21b0/0x21b0 [ 52.887727] ? __fdget_pos+0x1bb/0x200 [ 52.891618] ? lock_release+0x970/0x970 [ 52.895599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.901388] ? _parse_integer+0x134/0x180 [ 52.905541] do_futex+0x2e4/0x26d0 [ 52.909089] ? __fget+0x4aa/0x740 [ 52.912542] ? lock_downgrade+0x900/0x900 [ 52.916691] ? check_same_owner+0x330/0x330 [ 52.921021] ? exit_robust_list+0x280/0x280 [ 52.925346] ? get_pid_task+0xd6/0x1a0 [ 52.929247] ? __fget+0x4d1/0x740 [ 52.932727] ? ksys_dup3+0x680/0x680 [ 52.936457] ? __f_unlock_pos+0x19/0x20 [ 52.940459] ? lock_downgrade+0x900/0x900 [ 52.944632] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 52.950174] ? proc_fail_nth_write+0x9e/0x210 [ 52.954822] ? proc_cwd_link+0x1d0/0x1d0 [ 52.958915] ? kasan_check_read+0x11/0x20 [ 52.963061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 52.967481] ? __fget_light+0x2e9/0x430 [ 52.971459] ? fget_raw+0x20/0x20 [ 52.974932] ? wait_for_completion+0x8a0/0x8a0 [ 52.979511] ? lock_release+0x970/0x970 [ 52.983492] ? check_preemption_disabled+0x48/0x200 [ 52.988514] ? fsnotify_first_mark+0x350/0x350 [ 52.993096] ? __fsnotify_parent+0xcc/0x420 [ 52.997418] ? fsnotify+0xf10/0xf10 [ 53.001049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.006582] ? __fdget_pos+0xde/0x200 [ 53.010380] ? __fdget_raw+0x20/0x20 [ 53.014099] ? __sb_end_write+0xd9/0x110 [ 53.018165] __x64_sys_futex+0x472/0x6a0 [ 53.022238] ? do_futex+0x26d0/0x26d0 [ 53.026039] ? trace_hardirqs_on+0xbd/0x310 [ 53.030362] ? __ia32_sys_read+0xb0/0xb0 [ 53.034422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.039784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.045241] do_syscall_64+0x1b9/0x820 [ 53.049128] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 53.054502] ? syscall_return_slowpath+0x5e0/0x5e0 [ 53.059435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.064288] ? trace_hardirqs_on_caller+0x310/0x310 [ 53.069307] ? prepare_exit_to_usermode+0x291/0x3b0 [ 53.074328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.079177] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.084485] RIP: 0033:0x447289 [ 53.087683] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.106584] RSP: 002b:00007f0d16dd8ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 53.114295] RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000447289 executing program [ 53.121562] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc3c [ 53.129122] RBP: 00000000006dcc30 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 53.136390] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc3c [ 53.143657] R13: 00007ffde1c26b4f R14: 00007f0d16dd99c0 R15: 0000000000000001 [ 53.156189] FAULT_INJECTION: forcing a failure. [ 53.156189] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.169204] FAULT_INJECTION: forcing a failure. executing program [ 53.169204] name fail_futex, interval 1, probability 0, space 0, times 0 [ 53.174312] CPU: 0 PID: 6134 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 53.189152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.198509] Call Trace: [ 53.201102] dump_stack+0x1d3/0x2c4 [ 53.204739] ? dump_stack_print_info.cold.2+0x52/0x52 [ 53.209939] ? pick_next_task_fair+0xa03/0x1c20 [ 53.214623] should_fail.cold.4+0xa/0x17 [ 53.218691] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 53.223795] ? run_rebalance_domains+0x500/0x500 [ 53.228561] ? mark_held_locks+0x130/0x130 [ 53.232806] ? is_bpf_text_address+0xac/0x170 [ 53.237306] ? mark_held_locks+0x130/0x130 [ 53.241550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 53.246504] ? kasan_check_read+0x11/0x20 [ 53.250660] ? trace_hardirqs_off+0xb8/0x310 [ 53.255077] ? finish_task_switch+0x1f5/0x900 [ 53.259583] ? lock_downgrade+0x900/0x900 [ 53.263729] ? finish_task_switch+0x1b5/0x900 [ 53.268235] ? trace_hardirqs_on+0xbd/0x310 [ 53.272562] ? finish_task_switch+0x1f5/0x900 [ 53.277065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.282526] ? dequeue_entity+0x1770/0x1770 [ 53.286860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.292414] ? mark_held_locks+0x130/0x130 [ 53.296662] __alloc_pages_nodemask+0x34b/0xdd0 [ 53.301336] ? preempt_notifier_register+0x200/0x200 [ 53.306445] ? __switch_to_asm+0x34/0x70 [ 53.310530] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 53.315548] ? __switch_to_asm+0x34/0x70 [ 53.319623] ? __switch_to_asm+0x34/0x70 [ 53.323683] ? __switch_to_asm+0x40/0x70 executing program [ 53.327747] ? __switch_to_asm+0x34/0x70 [ 53.331805] ? __switch_to_asm+0x40/0x70 [ 53.335866] ? __switch_to_asm+0x34/0x70 [ 53.339932] ? mark_held_locks+0x130/0x130 [ 53.344178] ? __schedule+0x874/0x1ed0 [ 53.348073] ? __sched_text_start+0x8/0x8 [ 53.352250] ? prepare_to_wait_exclusive+0x1a6/0x480 [ 53.357356] ? lock_downgrade+0x900/0x900 [ 53.361520] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 53.367077] alloc_pages_current+0x10c/0x210 [ 53.371510] skb_page_frag_refill+0x45f/0x6a0 [ 53.376014] ? kasan_check_write+0x14/0x20 [ 53.380254] ? sock_kfree_s+0x60/0x60 [ 53.384066] ? lock_acquire+0x1ed/0x520 [ 53.388045] ? __lock_sock+0x203/0x350 [ 53.391939] ? lock_downgrade+0x900/0x900 [ 53.396089] ? lock_release+0x970/0x970 [ 53.400069] ? _raw_spin_unlock_bh+0x30/0x40 [ 53.404491] ? remove_wait_queue+0x360/0x360 [ 53.408916] sk_page_frag_refill+0x55/0x1f0 [ 53.413240] sk_alloc_sg+0x1e9/0xa00 [ 53.416962] ? sk_page_frag_refill+0x1f0/0x1f0 [ 53.421551] ? __bpf_trace_preemptirq_template+0x30/0x30 executing program [ 53.427008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.432550] ? check_preemption_disabled+0x48/0x200 [ 53.437572] ? lock_sock_nested+0x9a/0x120 [ 53.441817] ? lock_sock_nested+0x9a/0x120 [ 53.446065] alloc_encrypted_sg+0xb4/0x140 [ 53.450306] tls_sw_sendmsg+0x7ed/0x1fd0 [ 53.454368] ? mnt_get_count+0x150/0x150 [ 53.458440] ? dput.part.25+0x26d/0x790 [ 53.462429] ? aa_profile_af_perm+0x410/0x410 [ 53.466932] ? tx_work_handler+0xf0/0xf0 [ 53.471004] ? check_same_owner+0x330/0x330 [ 53.475334] ? aa_file_perm+0x469/0x1060 [ 53.479398] ? __might_sleep+0x95/0x190 [ 53.483383] ? aa_sk_perm+0x22b/0x8e0 [ 53.487190] ? aa_af_perm+0x5a0/0x5a0 [ 53.488597] FAULT_INJECTION: forcing a failure. [ 53.488597] name fail_futex, interval 1, probability 0, space 0, times 0 [ 53.490998] inet_sendmsg+0x19c/0x690 [ 53.491016] ? ipip_gro_receive+0x100/0x100 [ 53.491032] ? apparmor_socket_sendmsg+0x29/0x30 [ 53.491057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.520803] ? security_socket_sendmsg+0x94/0xc0 [ 53.525567] ? ipip_gro_receive+0x100/0x100 [ 53.529896] sock_sendmsg+0xd5/0x120 [ 53.533613] sock_write_iter+0x35e/0x5c0 [ 53.537678] ? sock_sendmsg+0x120/0x120 [ 53.541665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.547208] ? iov_iter_init+0xc2/0x1e0 [ 53.551193] __vfs_write+0x6b8/0x9f0 [ 53.554913] ? kernel_read+0x120/0x120 [ 53.558814] ? apparmor_path_rmdir+0x30/0x30 [ 53.563238] ? lock_release+0x970/0x970 [ 53.567214] ? check_preemption_disabled+0x48/0x200 [ 53.572239] ? apparmor_file_permission+0x24/0x30 [ 53.577087] ? rw_verify_area+0x118/0x360 [ 53.581239] vfs_write+0x1fc/0x560 [ 53.584789] ksys_write+0x101/0x260 [ 53.588421] ? __ia32_sys_read+0xb0/0xb0 [ 53.592504] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.597965] __x64_sys_write+0x73/0xb0 [ 53.601858] do_syscall_64+0x1b9/0x820 [ 53.605752] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 53.611119] ? syscall_return_slowpath+0x5e0/0x5e0 [ 53.616054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.620906] ? trace_hardirqs_on_caller+0x310/0x310 executing program [ 53.625921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 53.630945] ? prepare_exit_to_usermode+0x291/0x3b0 [ 53.635973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.640826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.646019] RIP: 0033:0x447289 [ 53.649218] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.668128] RSP: 002b:00007f0d16dd8ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 executing program [ 53.675842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447289 [ 53.683110] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 53.690378] RBP: 00000000006dcc30 R08: 0000000000000001 R09: 0000000000000031 [ 53.697654] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 53.704927] R13: 0000000000000005 R14: 00007f0d16dd99c0 R15: 0000000000000001 [ 53.712906] CPU: 1 PID: 6133 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 53.718061] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.721499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.721504] Call Trace: [ 53.721526] dump_stack+0x1d3/0x2c4 [ 53.721546] ? dump_stack_print_info.cold.2+0x52/0x52 [ 53.752564] should_fail.cold.4+0xa/0x17 [ 53.756627] ? lock_downgrade+0x900/0x900 [ 53.760778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 53.765887] ? update_curr+0x4cf/0xbe0 [ 53.769779] ? lock_downgrade+0x900/0x900 [ 53.773925] ? check_preemption_disabled+0x48/0x200 [ 53.778959] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 53.783895] ? cpuacct_charge+0x282/0x440 [ 53.788040] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 53.792794] ? cpuacct_css_alloc+0x160/0x160 [ 53.797205] ? update_curr+0x4ec/0xbe0 [ 53.801092] ? __account_cfs_rq_runtime+0x790/0x790 [ 53.806129] ? kasan_check_read+0x11/0x20 [ 53.810280] ? mark_held_locks+0x130/0x130 [ 53.814522] ? set_next_entity+0x2dd/0xc40 [ 53.818756] ? reweight_entity+0x10f0/0x10f0 [ 53.823170] get_futex_key+0x127d/0x21b0 [ 53.827241] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 53.831917] ? pick_next_task_fair+0xa03/0x1c20 [ 53.836589] ? rcu_qs+0x23/0x110 [ 53.839955] ? rcu_note_context_switch+0x7d3/0x2150 [ 53.844971] ? __lockdep_init_map+0x105/0x590 [ 53.849484] ? run_rebalance_domains+0x500/0x500 [ 53.854248] ? mark_held_locks+0x130/0x130 [ 53.858493] ? check_same_owner+0x330/0x330 [ 53.862820] ? trace_hardirqs_off+0xb8/0x310 [ 53.867228] ? finish_task_switch+0x1f5/0x900 [ 53.871722] ? lock_downgrade+0x900/0x900 [ 53.875866] ? finish_task_switch+0x1b5/0x900 [ 53.880364] ? trace_hardirqs_on+0xbd/0x310 [ 53.884684] ? kasan_check_read+0x11/0x20 [ 53.888828] ? finish_task_switch+0x1f5/0x900 [ 53.893324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 53.898772] ? compat_start_thread+0x80/0x80 [ 53.903186] ? dequeue_entity+0x1770/0x1770 [ 53.907513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.913054] ? mark_held_locks+0x130/0x130 [ 53.917284] ? finish_task_switch+0x1f5/0x900 [ 53.921774] ? finish_task_switch+0x1b5/0x900 [ 53.926269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.931809] ? sk_stream_wait_connect+0x5b7/0x890 [ 53.936651] ? mark_held_locks+0x130/0x130 [ 53.940902] ? skb_recv_datagram+0x150/0x150 [ 53.945308] ? __switch_to_asm+0x40/0x70 [ 53.949397] ? __init_waitqueue_head+0x150/0x150 [ 53.954158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.959698] ? tcp_rate_check_app_limited+0x121/0x460 [ 53.964893] ? tcp_fastopen_reset_cipher.cold.13+0x47/0x47 [ 53.970518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.976053] ? sk_stream_error+0x30/0x110 [ 53.980201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.985745] ? tcp_sendmsg_locked+0x2468/0x3f90 [ 53.990425] ? trace_hardirqs_on+0xbd/0x310 [ 53.994747] ? kasan_check_read+0x11/0x20 [ 53.998897] ? prepare_to_wait_exclusive+0x1a6/0x480 [ 54.004012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.009482] ? tcp_sendpage+0x60/0x60 [ 54.013292] futex_wake+0x1ac/0x760 [ 54.017192] ? release_sock+0x1ec/0x2c0 [ 54.021171] ? get_futex_key+0x21b0/0x21b0 [ 54.025406] ? lock_downgrade+0x900/0x900 [ 54.029564] ? trace_hardirqs_on+0xbd/0x310 [ 54.033885] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.038297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.043835] ? check_preemption_disabled+0x48/0x200 [ 54.048849] ? release_sock+0x1ec/0x2c0 [ 54.052826] ? release_sock+0x1ec/0x2c0 [ 54.056805] do_futex+0x2e4/0x26d0 [ 54.060346] ? _raw_spin_unlock_bh+0x30/0x40 [ 54.064752] ? release_sock+0x1ec/0x2c0 [ 54.068727] ? lock_sock_nested+0x9a/0x120 [ 54.072959] ? __release_sock+0x3a0/0x3a0 [ 54.077106] ? __local_bh_enable_ip+0x160/0x260 [ 54.081780] ? exit_robust_list+0x280/0x280 [ 54.086103] ? tcp_sendmsg+0x3a/0x50 [ 54.089819] ? inet_sendmsg+0x1a3/0x690 [ 54.093796] ? ipip_gro_receive+0x100/0x100 [ 54.098121] ? apparmor_socket_sendmsg+0x29/0x30 [ 54.102877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.108412] ? security_socket_sendmsg+0x94/0xc0 [ 54.113629] ? ipip_gro_receive+0x100/0x100 [ 54.117955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.123506] ? sock_sendmsg+0x5a/0x120 [ 54.127399] ? sock_write_iter+0x42a/0x5c0 [ 54.131636] ? sock_sendmsg+0x120/0x120 [ 54.135620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.141154] ? iov_iter_init+0xc2/0x1e0 [ 54.145131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.150665] ? __vfs_write+0x121/0x9f0 [ 54.154557] ? kernel_read+0x120/0x120 [ 54.158447] ? apparmor_path_rmdir+0x30/0x30 [ 54.162866] ? lock_release+0x970/0x970 [ 54.166838] ? check_preemption_disabled+0x48/0x200 [ 54.171858] ? apparmor_file_permission+0x24/0x30 [ 54.176720] ? rw_verify_area+0x118/0x360 [ 54.180872] __x64_sys_futex+0x472/0x6a0 [ 54.184937] ? do_futex+0x26d0/0x26d0 [ 54.188741] ? trace_hardirqs_on+0xbd/0x310 [ 54.193064] ? __ia32_sys_read+0xb0/0xb0 [ 54.197129] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.202506] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.207965] do_syscall_64+0x1b9/0x820 [ 54.211862] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 54.217225] ? syscall_return_slowpath+0x5e0/0x5e0 [ 54.222152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.227002] ? trace_hardirqs_on_caller+0x310/0x310 [ 54.232023] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 54.237042] ? prepare_exit_to_usermode+0x291/0x3b0 [ 54.242059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.246903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.252088] RIP: 0033:0x447289 [ 54.255281] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.274179] RSP: 002b:00007f0d16db7ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 54.281886] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000447289 [ 54.289150] RDX: 0000000000447289 RSI: 0000000000000081 RDI: 00000000006dcc4c [ 54.296411] RBP: 00000000006dcc40 R08: 0000000000000031 R09: 00007ffde1c26b4f [ 54.303789] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006dcc4c [ 54.311053] R13: 00007ffde1c26b4f R14: 00007f0d16db89c0 R15: 0000000000000002 [ 54.324202] CPU: 1 PID: 6145 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 54.332792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.342149] Call Trace: [ 54.344749] dump_stack+0x1d3/0x2c4 [ 54.348378] ? dump_stack_print_info.cold.2+0x52/0x52 [ 54.353574] should_fail.cold.4+0xa/0x17 [ 54.357636] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 54.362752] ? mark_held_locks+0x130/0x130 [ 54.366988] ? __update_load_avg_se+0x664/0xb90 [ 54.371669] ? mark_held_locks+0x130/0x130 [ 54.375902] ? __update_load_avg_blocked_se+0x730/0x730 [ 54.381268] ? __update_load_avg_se+0xb90/0xb90 [ 54.385939] ? mark_held_locks+0x130/0x130 [ 54.390263] ? update_load_avg+0x387/0x2470 [ 54.394592] get_futex_key+0x127d/0x21b0 [ 54.398659] ? kasan_check_read+0x11/0x20 [ 54.402808] ? do_raw_spin_unlock+0xa7/0x2f0 [ 54.407216] ? futex_lock_pi_atomic+0x3a0/0x3a0 [ 54.411884] ? __this_cpu_preempt_check+0x1c/0x1f [ 54.416727] ? _raw_spin_unlock+0x2c/0x50 [ 54.420877] ? free_one_page+0xcae/0x1700 [ 54.425023] ? __isolate_free_page+0x610/0x610 [ 54.429607] ? lock_downgrade+0x900/0x900 [ 54.433757] ? debug_check_no_obj_freed+0x305/0x58d [ 54.438780] ? mark_held_locks+0x130/0x130 [ 54.443022] ? trace_hardirqs_on+0xbd/0x310 [ 54.447341] ? kasan_check_read+0x11/0x20 [ 54.451495] ? debug_check_no_obj_freed+0x305/0x58d [ 54.456515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.461973] ? kasan_check_write+0x14/0x20 [ 54.466212] ? do_raw_spin_lock+0xc1/0x200 [ 54.470457] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 54.475570] ? debug_check_no_obj_freed+0x305/0x58d [ 54.480586] ? mark_held_locks+0x130/0x130 [ 54.484822] ? trace_hardirqs_on+0xbd/0x310 [ 54.489152] ? mark_held_locks+0x130/0x130 [ 54.493392] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 54.498938] ? mark_held_locks+0x130/0x130 [ 54.503190] ? __debug_object_init+0x57d/0x1290 [ 54.507860] ? lock_downgrade+0x900/0x900 [ 54.512012] ? lock_downgrade+0x900/0x900 [ 54.516163] ? trace_hardirqs_on+0xbd/0x310 [ 54.520489] ? kasan_check_read+0x11/0x20 [ 54.524646] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 54.529659] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 54.534415] ? is_bpf_text_address+0xac/0x170 [ 54.538924] ? lock_downgrade+0x900/0x900 [ 54.543080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 54.548023] futex_wake+0x1ac/0x760 [ 54.551659] ? get_futex_key+0x21b0/0x21b0 [ 54.555903] ? mark_held_locks+0x130/0x130 [ 54.560140] do_futex+0x2e4/0x26d0 [ 54.563687] ? mark_held_locks+0x130/0x130 [ 54.567919] ? mark_held_locks+0x130/0x130 [ 54.572154] ? destroy_inode+0x159/0x200 [ 54.576215] ? iput+0x674/0xa90 [ 54.579509] ? exit_robust_list+0x280/0x280 [ 54.583835] ? do_syscall_64+0x6be/0x820 [ 54.587901] ? mark_held_locks+0x130/0x130 [ 54.592141] ? mark_held_locks+0x130/0x130 [ 54.596377] ? trace_hardirqs_off+0xb8/0x310 [ 54.600790] ? trace_hardirqs_on+0x310/0x310 [ 54.605198] ? debug_check_no_obj_freed+0x305/0x58d [ 54.610218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.615757] ? check_preemption_disabled+0x48/0x200 [ 54.620775] ? trace_hardirqs_on+0xbd/0x310 [ 54.625111] ? sock_destroy_inode+0x51/0x60 [ 54.629446] ? __delayacct_add_tsk+0x649/0x780 [ 54.634035] ? taskstats_exit+0x30d/0xed0 [ 54.638186] ? __might_fault+0x12b/0x1e0 [ 54.642264] ? __might_fault+0x12b/0x1e0 [ 54.646329] ? lock_downgrade+0x900/0x900 [ 54.650487] ? trace_hardirqs_on_caller+0xc0/0x310 [ 54.655417] ? lock_release+0x970/0x970 [ 54.659392] ? check_same_owner+0x330/0x330 [ 54.663731] mm_release+0x46a/0x5f0 [ 54.667359] ? mm_access+0x160/0x160 [ 54.671075] ? kasan_check_write+0x14/0x20 [ 54.675310] ? do_raw_spin_lock+0xc1/0x200 [ 54.679547] ? _raw_spin_unlock_irq+0x60/0x80 [ 54.684060] ? acct_collect+0x70c/0x860 [ 54.688041] do_exit+0x56b/0x2610 [ 54.691507] ? trace_raw_output_preemptirq_template+0x130/0x130 [ 54.697563] ? mm_update_next_owner+0x990/0x990 [ 54.702235] ? debug_object_active_state+0x2f5/0x4d0 [ 54.707341] ? lock_downgrade+0x900/0x900 [ 54.711501] ? trace_hardirqs_on+0xbd/0x310 [ 54.715822] ? kasan_check_read+0x11/0x20 [ 54.719971] ? mark_held_locks+0x130/0x130 [ 54.724210] ? kasan_check_write+0x14/0x20 [ 54.728444] ? do_raw_spin_lock+0xc1/0x200 [ 54.732692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.738239] ? check_preemption_disabled+0x48/0x200 [ 54.743270] ? mark_held_locks+0x130/0x130 [ 54.747522] ? call_rcu+0xb/0x10 [ 54.750891] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.756351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.761891] ? check_preemption_disabled+0x48/0x200 [ 54.766916] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.772366] ? rcu_is_watching+0x30/0x30 [ 54.776433] ? __kasan_slab_free+0x119/0x150 [ 54.780852] ? kzfree+0x28/0x30 [ 54.784136] ? kzfree+0x28/0x30 [ 54.787417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.792956] ? check_preemption_disabled+0x48/0x200 [ 54.797981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.803532] ? memset+0x31/0x40 [ 54.806811] ? __dequeue_signal+0xf9/0x7d0 [ 54.811047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.816588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.822148] ? get_signal+0x953/0x1970 [ 54.826039] ? lock_downgrade+0x900/0x900 [ 54.830191] ? do_raw_spin_lock+0xc1/0x200 [ 54.834431] do_group_exit+0x177/0x440 [ 54.838324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 54.843795] ? __ia32_sys_exit+0x50/0x50 [ 54.847857] ? kasan_check_write+0x14/0x20 [ 54.852099] ? do_raw_spin_lock+0xc1/0x200 [ 54.856340] get_signal+0x8a8/0x1970 [ 54.860057] ? ptrace_notify+0x130/0x130 [ 54.864123] ? sock_sendmsg+0x120/0x120 [ 54.868102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.873640] ? iov_iter_init+0xc2/0x1e0 [ 54.877615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.883151] ? __vfs_write+0x121/0x9f0 [ 54.887040] do_signal+0x9c/0x21c0 [ 54.890591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.896129] ? check_preemption_disabled+0x48/0x200 [ 54.901151] ? setup_sigcontext+0x7d0/0x7d0 [ 54.905488] ? task_work_add+0x123/0x1f0 [ 54.909731] ? cpumask_weight.constprop.5+0x3f/0x3f [ 54.914747] ? trace_hardirqs_on+0xbd/0x310 [ 54.919080] ? do_syscall_64+0x6be/0x820 [ 54.923144] ? fput+0x130/0x1a0 [ 54.926425] exit_to_usermode_loop+0x2e5/0x380 [ 54.931012] ? syscall_trace_enter+0x1260/0x1260 [ 54.935783] do_syscall_64+0x6be/0x820 [ 54.939678] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 54.945048] ? syscall_return_slowpath+0x5e0/0x5e0 [ 54.949976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.954831] ? trace_hardirqs_on_caller+0x310/0x310 [ 54.959861] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 54.964880] ? prepare_exit_to_usermode+0x291/0x3b0 [ 54.969903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.974756] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.979950] RIP: 0033:0x447289 [ 54.983147] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.002055] RSP: 002b:00007f0d16d96ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.009768] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000447289 [ 55.017040] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 55.024336] RBP: 00000000006dcc50 R08: 0000000000000001 R09: 0000000000000031 [ 55.031604] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.038868] R13: 0000000000000005 R14: 00007f0d16d979c0 R15: 0000000000000003 [ 55.046191] ================================================================== [ 55.050009] FAULT_INJECTION: forcing a failure. [ 55.050009] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.053579] BUG: KASAN: use-after-free in tls_push_record+0x13c9/0x17f0 [ 55.053592] Write of size 1 at addr ffff8801d2157570 by task syz-executor894/6126 [ 55.053595] [ 55.053610] CPU: 0 PID: 6126 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 55.053618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.053633] Call Trace: [ 55.101847] dump_stack+0x1d3/0x2c4 [ 55.105501] ? dump_stack_print_info.cold.2+0x52/0x52 [ 55.110692] ? printk+0xa7/0xcf [ 55.113974] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 55.118747] print_address_description.cold.8+0x9/0x1ff [ 55.124403] kasan_report.cold.9+0x242/0x309 [ 55.128813] ? tls_push_record+0x13c9/0x17f0 [ 55.133228] __asan_report_store1_noabort+0x17/0x20 [ 55.138255] tls_push_record+0x13c9/0x17f0 [ 55.142522] ? tls_tx_records+0x980/0x980 [ 55.146681] ? trace_hardirqs_on+0xbd/0x310 [ 55.151008] ? lock_release+0x970/0x970 [ 55.154984] ? lock_sock_nested+0xe2/0x120 [ 55.159230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 55.164690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.170230] ? check_preemption_disabled+0x48/0x200 [ 55.175250] ? lock_sock_nested+0x9a/0x120 [ 55.179503] ? lock_sock_nested+0x9a/0x120 [ 55.183747] ? __local_bh_enable_ip+0x160/0x260 [ 55.188420] tls_sw_push_pending_record+0x22/0x30 [ 55.193262] tls_sk_proto_close+0x439/0x750 [ 55.197589] ? tcp_check_oom+0x530/0x530 [ 55.201652] ? tls_push_pending_closed_record+0x240/0x240 [ 55.207195] ? ipv6_sock_mc_close+0x162/0x1d0 [ 55.211695] ? ip_mc_drop_socket+0x20b/0x270 [ 55.216108] ? down_write+0x8a/0x130 [ 55.219827] inet_release+0x104/0x1f0 [ 55.223633] inet6_release+0x50/0x70 [ 55.227350] __sock_release+0xd7/0x250 [ 55.231249] sock_close+0x19/0x20 [ 55.234709] __fput+0x3bc/0xa70 [ 55.237995] ? __sock_release+0x250/0x250 [ 55.242162] ? get_max_files+0x20/0x20 [ 55.246051] ? trace_hardirqs_on+0xbd/0x310 [ 55.250372] ? kasan_check_read+0x11/0x20 [ 55.254525] ? task_work_run+0x1af/0x2a0 [ 55.258595] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 55.264052] ? kasan_check_write+0x14/0x20 [ 55.268292] ? do_raw_spin_lock+0xc1/0x200 [ 55.272533] ____fput+0x15/0x20 [ 55.275816] task_work_run+0x1e8/0x2a0 [ 55.279710] ? task_work_cancel+0x240/0x240 [ 55.284216] ? clock_was_set_work+0x30/0x30 [ 55.288544] ? copy_fd_bitmaps+0x210/0x210 [ 55.292787] exit_to_usermode_loop+0x318/0x380 [ 55.297382] ? syscall_trace_enter+0x1260/0x1260 [ 55.302150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.307698] do_syscall_64+0x6be/0x820 [ 55.311588] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 55.316958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 55.321889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.326737] ? trace_hardirqs_on_caller+0x310/0x310 [ 55.331759] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 55.336782] ? prepare_exit_to_usermode+0x291/0x3b0 [ 55.341806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.346660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.351852] RIP: 0033:0x406371 [ 55.355053] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 55.373963] RSP: 002b:00007ffde1c26bc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 55.381678] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000406371 [ 55.388949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 55.396229] RBP: 00000000000003e8 R08: 00000000000003e8 R09: 0000000000000000 [ 55.403504] R10: 00007ffde1c26bd0 R11: 0000000000000293 R12: 000000000000cf83 [ 55.410778] R13: 000000000000002d R14: 000000000000000b R15: 0000000000000001 [ 55.418060] [ 55.418075] CPU: 1 PID: 6160 Comm: syz-executor894 Not tainted 4.19.0-rc6-next-20181005+ #88 [ 55.418088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.419701] The buggy address belongs to the page: [ 55.428273] Call Trace: [ 55.437622] page:ffffea00074855c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 [ 55.442553] dump_stack+0x1d3/0x2c4 [ 55.453249] ? dump_stack_print_info.cold.2+0x52/0x52 [ 55.456855] flags: 0x2fffc0000000000() [ 55.462039] ? mark_held_locks+0x130/0x130 [ 55.465924] raw: 02fffc0000000000 0000000000000000 ffffffff07480101 0000000000000000 [ 55.470153] should_fail.cold.4+0xa/0x17 [ 55.478013] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 55.482069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 55.489923] page dumped because: kasan: bad access detected [ 55.495025] ? kasan_check_read+0x11/0x20 [ 55.500712] [ 55.504860] ? __wake_up_common_lock+0x1d0/0x330 [ 55.506464] Memory state around the buggy address: [ 55.511231] ? lock_downgrade+0x900/0x900 [ 55.516141] ffff8801d2157400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.520293] ? trace_hardirqs_on+0xbd/0x310 [ 55.527630] ffff8801d2157480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.531947] ? ima_match_policy+0x848/0x1560 [ 55.539283] >ffff8801d2157500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.543692] ? lock_downgrade+0x900/0x900 [ 55.551028] ^ [ 55.555170] ? do_raw_spin_lock+0xc1/0x200 [ 55.562160] ffff8801d2157580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 55.566391] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 55.573729] ffff8801d2157600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff executing program [ 55.578655] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 55.586025] ================================================================== [ 55.591132] ? __wake_up_common_lock+0x1d0/0x330 [ 55.603318] ? __wake_up_common+0x7d0/0x7d0 [ 55.604572] Kernel panic - not syncing: panic_on_warn set ... [ 55.604572] [ 55.607654] ? __lockdep_init_map+0x105/0x590 [ 55.619505] __alloc_pages_nodemask+0x34b/0xdd0 [ 55.624181] ? mark_held_locks+0x130/0x130 [ 55.628421] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 55.633440] ? ip6_mtu+0x39c/0x520 [ 55.636991] ? lock_downgrade+0x900/0x900 [ 55.641149] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 55.646092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.651657] ? tcp_established_options+0x366/0x5b0 [ 55.656601] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 55.662144] alloc_pages_current+0x10c/0x210 [ 55.666557] skb_page_frag_refill+0x45f/0x6a0 [ 55.671057] ? sock_kfree_s+0x60/0x60 [ 55.674857] ? mark_held_locks+0x130/0x130 [ 55.679094] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 55.684546] ? mark_held_locks+0x130/0x130 [ 55.688789] ? tcp_rate_check_app_limited+0x121/0x460 [ 55.693981] ? tcp_fastopen_reset_cipher.cold.13+0x47/0x47 [ 55.699617] sk_page_frag_refill+0x55/0x1f0 [ 55.703943] tcp_sendmsg_locked+0x123d/0x3f90 [ 55.708447] ? dput.part.25+0x241/0x790 [ 55.712443] ? tcp_sendpage+0x60/0x60 [ 55.716260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.721798] ? aa_label_sk_perm+0xfc/0xa50 [ 55.726036] ? dput.part.25+0x26d/0x790 [ 55.730017] ? shrink_dcache_sb+0x350/0x350 [ 55.734341] ? aa_profile_af_perm+0x410/0x410 [ 55.738840] ? lock_acquire+0x1ed/0x520 [ 55.742822] ? lock_acquire+0x1ed/0x520 [ 55.746822] ? tcp_sendmsg+0x21/0x50 [ 55.750544] ? trace_hardirqs_on+0xbd/0x310 [ 55.754870] ? lock_release+0x970/0x970 [ 55.758848] ? lock_sock_nested+0xe2/0x120 [ 55.763087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 55.768550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.774095] ? check_preemption_disabled+0x48/0x200 [ 55.779113] ? lock_sock_nested+0x9a/0x120 [ 55.783347] ? lock_sock_nested+0x9a/0x120 [ 55.787584] ? __local_bh_enable_ip+0x160/0x260 [ 55.792264] tcp_sendmsg+0x2f/0x50 [ 55.795813] inet_sendmsg+0x19c/0x690 [ 55.799620] ? ipip_gro_receive+0x100/0x100 [ 55.803951] ? apparmor_socket_sendmsg+0x29/0x30 [ 55.808713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.814255] ? security_socket_sendmsg+0x94/0xc0 [ 55.819016] ? ipip_gro_receive+0x100/0x100 [ 55.823344] sock_sendmsg+0xd5/0x120 [ 55.827067] sock_write_iter+0x35e/0x5c0 [ 55.831131] ? sock_sendmsg+0x120/0x120 [ 55.835116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.840654] ? iov_iter_init+0xc2/0x1e0 [ 55.844630] __vfs_write+0x6b8/0x9f0 [ 55.848350] ? kernel_read+0x120/0x120 [ 55.852252] ? apparmor_path_rmdir+0x30/0x30 [ 55.856663] ? lock_release+0x970/0x970 [ 55.860640] ? check_preemption_disabled+0x48/0x200 [ 55.865662] ? apparmor_file_permission+0x24/0x30 [ 55.870509] ? rw_verify_area+0x118/0x360 [ 55.874659] vfs_write+0x1fc/0x560 [ 55.878204] ksys_write+0x101/0x260 [ 55.881836] ? __ia32_sys_read+0xb0/0xb0 [ 55.885901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 55.891359] __x64_sys_write+0x73/0xb0 [ 55.895251] do_syscall_64+0x1b9/0x820 [ 55.899163] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 55.904538] ? syscall_return_slowpath+0x5e0/0x5e0 [ 55.909484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.914340] ? trace_hardirqs_on_caller+0x310/0x310 [ 55.919362] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 55.924380] ? prepare_exit_to_usermode+0x291/0x3b0 [ 55.929399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.934248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.939438] RIP: 0033:0x447289 [ 55.942646] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.961547] RSP: 002b:00007f0d16db7ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.969256] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447289 [ 55.976522] RDX: 00000000fffffec1 RSI: 0000000020000300 RDI: 0000000000000003 [ 55.983788] RBP: 00000000006dcc40 R08: 0000000000000001 R09: 0000000000000031 [ 55.991059] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 55.998330] R13: 0000000000000005 R14: 00007f0d16db89c0 R15: 0000000000000002 [ 56.005625] CPU: 0 PID: 6126 Comm: syz-executor894 Tainted: G B 4.19.0-rc6-next-20181005+ #88 [ 56.015611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.025398] Call Trace: [ 56.027993] dump_stack+0x1d3/0x2c4 [ 56.031631] ? dump_stack_print_info.cold.2+0x52/0x52 [ 56.036829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.041592] panic+0x238/0x4e7 [ 56.044789] ? add_taint.cold.5+0x16/0x16 [ 56.048944] ? preempt_schedule+0x4d/0x60 [ 56.053100] ? ___preempt_schedule+0x16/0x18 [ 56.057518] ? trace_hardirqs_on+0xb4/0x310 [ 56.061849] kasan_end_report+0x47/0x4f [ 56.065822] kasan_report.cold.9+0x76/0x309 [ 56.070142] ? tls_push_record+0x13c9/0x17f0 [ 56.074552] __asan_report_store1_noabort+0x17/0x20 [ 56.079572] tls_push_record+0x13c9/0x17f0 [ 56.083811] ? tls_tx_records+0x980/0x980 [ 56.087966] ? trace_hardirqs_on+0xbd/0x310 [ 56.092291] ? lock_release+0x970/0x970 [ 56.096264] ? lock_sock_nested+0xe2/0x120 [ 56.100515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 56.105969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.111517] ? check_preemption_disabled+0x48/0x200 [ 56.116533] ? lock_sock_nested+0x9a/0x120 [ 56.120765] ? lock_sock_nested+0x9a/0x120 [ 56.125012] ? __local_bh_enable_ip+0x160/0x260 [ 56.129686] tls_sw_push_pending_record+0x22/0x30 [ 56.134531] tls_sk_proto_close+0x439/0x750 [ 56.138855] ? tcp_check_oom+0x530/0x530 [ 56.142917] ? tls_push_pending_closed_record+0x240/0x240 [ 56.148462] ? ipv6_sock_mc_close+0x162/0x1d0 [ 56.153007] ? ip_mc_drop_socket+0x20b/0x270 [ 56.157422] ? down_write+0x8a/0x130 [ 56.161140] inet_release+0x104/0x1f0 [ 56.164946] inet6_release+0x50/0x70 [ 56.168661] __sock_release+0xd7/0x250 [ 56.172551] sock_close+0x19/0x20 [ 56.176006] __fput+0x3bc/0xa70 [ 56.179291] ? __sock_release+0x250/0x250 [ 56.183438] ? get_max_files+0x20/0x20 [ 56.187337] ? trace_hardirqs_on+0xbd/0x310 [ 56.191660] ? kasan_check_read+0x11/0x20 [ 56.195811] ? task_work_run+0x1af/0x2a0 [ 56.199875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 56.205327] ? kasan_check_write+0x14/0x20 [ 56.209561] ? do_raw_spin_lock+0xc1/0x200 [ 56.213798] ____fput+0x15/0x20 [ 56.217078] task_work_run+0x1e8/0x2a0 [ 56.220968] ? task_work_cancel+0x240/0x240 [ 56.225292] ? clock_was_set_work+0x30/0x30 [ 56.229616] ? copy_fd_bitmaps+0x210/0x210 [ 56.233874] exit_to_usermode_loop+0x318/0x380 [ 56.238461] ? syscall_trace_enter+0x1260/0x1260 [ 56.243249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.248795] do_syscall_64+0x6be/0x820 [ 56.252683] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 56.258049] ? syscall_return_slowpath+0x5e0/0x5e0 [ 56.262979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.267823] ? trace_hardirqs_on_caller+0x310/0x310 [ 56.272845] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 56.277864] ? prepare_exit_to_usermode+0x291/0x3b0 [ 56.282888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.287740] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.292932] RIP: 0033:0x406371 [ 56.296129] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 56.315034] RSP: 002b:00007ffde1c26bc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 56.322747] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000406371 [ 56.330015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 56.337281] RBP: 00000000000003e8 R08: 00000000000003e8 R09: 0000000000000000 [ 56.344545] R10: 00007ffde1c26bd0 R11: 0000000000000293 R12: 000000000000cf83 [ 56.351813] R13: 000000000000002d R14: 000000000000000b R15: 0000000000000001 [ 56.359930] Kernel Offset: disabled [ 56.363551] Rebooting in 86400 seconds..