Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. executing program executing program executing program [ 643.139627] audit: type=1400 audit(1576454354.385:36): avc: denied { map } for pid=7747 comm="syz-executor905" path="/root/syz-executor905322531" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 814.301340] INFO: task login:7719 blocked for more than 140 seconds. [ 814.307997] Not tainted 4.19.89-syzkaller #0 [ 814.313438] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 814.321645] login D25064 7719 1 0x80000002 [ 814.327286] Call Trace: [ 814.329977] __schedule+0x866/0x1dc0 [ 814.338395] ? firmware_map_remove+0x1a7/0x1a7 [ 814.343334] ? mark_held_locks+0x100/0x100 [ 814.347577] ? mark_held_locks+0x100/0x100 [ 814.352123] schedule+0x92/0x1c0 [ 814.355499] schedule_timeout+0x8c8/0xfc0 [ 814.359716] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 814.365926] ? find_held_lock+0x35/0x130 [ 814.369992] ? usleep_range+0x170/0x170 [ 814.374258] ? mark_held_locks+0xb1/0x100 [ 814.378450] ? _raw_spin_unlock_irq+0x28/0x90 [ 814.383285] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 814.388391] ? _raw_spin_unlock_irq+0x28/0x90 [ 814.393178] ? lockdep_hardirqs_on+0x415/0x5d0 [ 814.397831] ? trace_hardirqs_on+0x67/0x220 [ 814.402443] __ldsem_down_write_nested+0x3b3/0x8f0 [ 814.407383] ? __ldsem_down_read_nested+0x720/0x720 [ 814.412718] ? __lock_is_held+0xb6/0x140 [ 814.416827] ldsem_down_write+0x33/0x40 [ 814.420799] ? ldsem_down_write+0x33/0x40 [ 814.425238] tty_ldisc_lock+0x50/0x90 [ 814.429044] tty_ldisc_hangup+0x1b9/0x630 [ 814.433506] __tty_hangup.part.0+0x306/0x720 [ 814.437992] ? tty_read+0x2a0/0x2a0 [ 814.442000] tty_vhangup_session+0x25/0x30 [ 814.446290] disassociate_ctty.part.0+0xb4/0x6f0 [ 814.451051] disassociate_ctty+0x81/0xa0 [ 814.455509] do_exit+0x17bb/0x3080 [ 814.459128] ? blkcg_maybe_throttle_current+0x561/0xcb0 [ 814.464777] ? mm_update_next_owner+0x660/0x660 [ 814.469451] ? lockdep_hardirqs_on+0x415/0x5d0 [ 814.474547] ? blkg_prfill_rwstat_field_recursive+0x100/0x100 [ 814.480481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 814.485628] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 814.490400] do_group_exit+0x135/0x370 [ 814.495402] __x64_sys_exit_group+0x44/0x50 [ 814.499817] do_syscall_64+0xfd/0x620 [ 814.503889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 814.509079] RIP: 0033:0x7f1e8f75d1e8 [ 814.513084] Code: Bad RIP value. [ 814.516446] RSP: 002b:00007ffeadff9258 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 814.524424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e8f75d1e8 [ 814.531951] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 814.539224] RBP: 00007f1e8fa32840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 814.546815] R10: 00007f1e8fa38740 R11: 0000000000000246 R12: 00007f1e8fa32840 [ 814.554450] R13: 0000000000000001 R14: 0000000000868a90 R15: 0000000000000007 [ 814.561997] [ 814.561997] Showing all locks held in the system: [ 814.568328] 1 lock held by khungtaskd/1068: [ 814.572928] #0: 00000000fddf3f01 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 814.581812] 1 lock held by rsyslogd/7597: [ 814.585954] #0: 00000000923b5ddd (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 814.594274] 2 locks held by login/7719: [ 814.598242] #0: 00000000637c14e1 (&tty->legacy_mutex){+.+.}, at: tty_lock+0x73/0xb0 [ 814.606422] #1: 000000007d6b6779 (&tty->ldisc_sem){++++}, at: ldsem_down_write+0x33/0x40 [ 814.615020] 2 locks held by getty/7720: [ 814.618991] #0: 000000002f7d2955 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.628295] #1: 0000000089a54219 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.637425] 2 locks held by getty/7721: [ 814.641627] #0: 0000000014b1fbaf (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.649889] #1: 00000000fccd37b5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.659174] 2 locks held by getty/7722: [ 814.663400] #0: 000000000e1a61fe (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.671941] #1: 00000000b3858c78 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.680807] 2 locks held by getty/7723: [ 814.685322] #0: 0000000093ef2512 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.693869] #1: 000000005ef3b160 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.703423] 2 locks held by getty/7724: [ 814.707398] #0: 00000000fa043890 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.715930] #1: 00000000488b7b60 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.725054] 2 locks held by getty/7725: [ 814.729025] #0: 00000000cfb36f72 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 814.737634] #1: 00000000078e950f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 814.747088] 4 locks held by syz-executor905/8214: [ 814.752986] [ 814.754617] ============================================= [ 814.754617] [ 814.761910] NMI backtrace for cpu 1 [ 814.765545] CPU: 1 PID: 1068 Comm: khungtaskd Not tainted 4.19.89-syzkaller #0 [ 814.772896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 814.782243] Call Trace: [ 814.784922] dump_stack+0x197/0x210 [ 814.788554] nmi_cpu_backtrace.cold+0x63/0xa4 [ 814.793091] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 814.798021] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 814.803299] arch_trigger_cpumask_backtrace+0x14/0x20 [ 814.808516] watchdog+0x9df/0xee0 [ 814.812021] kthread+0x354/0x420 [ 814.815387] ? reset_hung_task_detector+0x30/0x30 [ 814.820227] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 814.825766] ret_from_fork+0x24/0x30 [ 814.829582] Sending NMI from CPU 1 to CPUs 0: [ 814.835041] NMI backtrace for cpu 0 [ 814.835047] CPU: 0 PID: 8214 Comm: syz-executor905 Not tainted 4.19.89-syzkaller #0 [ 814.835054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 814.835058] RIP: 0010:check_preemption_disabled+0xd/0x290 [ 814.835068] Code: ff ff e8 06 65 40 fe e9 6d ec ff ff e8 9c 65 40 fe e9 28 f1 ff ff 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 89 f6 41 55 <41> 54 49 89 fc 53 48 83 ec 08 e8 b4 ce 08 fe 65 44 8b 2d 7c 0c 9f [ 814.835072] RSP: 0018:ffff88809516f600 EFLAGS: 00000093 [ 814.835080] RAX: ffff888097af6000 RBX: 0000000000023980 RCX: 1ffffffff12772e8 [ 814.835084] RDX: 0000000000000000 RSI: ffffffff87ea5280 RDI: ffffffff87ea52c0 [ 814.835090] RBP: ffff88809516f618 R08: ffff888097af6000 R09: ffffed1015d04733 [ 814.835094] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000 [ 814.835099] R13: 0000000000000fdd R14: ffffffff87ea5280 R15: 0000000000000000 [ 814.835105] FS: 000000000229a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 814.835108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 814.835113] CR2: ffffffffff600400 CR3: 00000000a49a7000 CR4: 00000000001406f0 [ 814.835117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 814.835121] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 814.835124] Call Trace: [ 814.835127] debug_smp_processor_id+0x1c/0x20 [ 814.835130] rcu_dynticks_curr_cpu_in_eqs+0x17/0xb0 [ 814.835133] rcu_is_watching+0x10/0x30 [ 814.835136] cpuacct_charge+0x20c/0x360 [ 814.835139] update_curr+0x2d7/0x8a0 [ 814.835141] ? pick_next_entity+0x198/0x3f0 [ 814.835144] ? finish_task_switch+0x146/0x7c0 [ 814.835147] pick_next_task_fair+0x6bf/0x1580 [ 814.835150] ? kvm_clock_read+0x18/0x30 [ 814.835153] ? kvm_sched_clock_read+0x9/0x20 [ 814.835156] ? sched_clock+0x2e/0x50 [ 814.835159] ? run_rebalance_domains+0x2e0/0x2e0 [ 814.835162] __schedule+0x456/0x1dc0 [ 814.835165] ? firmware_map_remove+0x1a7/0x1a7 [ 814.835168] schedule+0x92/0x1c0 [ 814.835170] paste_selection+0x2e8/0x443 [ 814.835173] ? set_selection+0x1370/0x1370 [ 814.835176] ? lock_downgrade+0x880/0x880 [ 814.835179] ? wake_up_q+0x100/0x100 [ 814.835181] tioclinux+0x133/0x470 [ 814.835184] vt_ioctl+0x19ab/0x2530 [ 814.835187] ? complete_change_console+0x3a0/0x3a0 [ 814.835191] ? avc_has_extended_perms+0xa78/0x10f0 [ 814.835194] ? lock_downgrade+0x880/0x880 [ 814.835196] ? avc_ss_reset+0x190/0x190 [ 814.835200] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 814.835203] ? tty_jobctrl_ioctl+0x50/0xcd0 [ 814.835206] ? complete_change_console+0x3a0/0x3a0 [ 814.835208] tty_ioctl+0x7f3/0x1510 [ 814.835211] ? tty_vhangup+0x30/0x30 [ 814.835214] ? thp_get_unmapped_area+0x1f0/0x1f0 [ 814.835217] ? __handle_mm_fault+0x7d1/0x3f80 [ 814.835220] ? __might_sleep+0x95/0x190 [ 814.835223] ? tty_vhangup+0x30/0x30 [ 814.835226] do_vfs_ioctl+0xd5f/0x1380 [ 814.835229] ? selinux_file_ioctl+0x46f/0x5e0 [ 814.835232] ? selinux_file_ioctl+0x125/0x5e0 [ 814.835239] ? ioctl_preallocate+0x210/0x210 [ 814.835242] ? selinux_file_mprotect+0x620/0x620 [ 814.835245] ? gup_pgd_range+0x1afc/0x3910 [ 814.835248] ? write_comp_data+0x5b/0x70 [ 814.835250] ? up_read+0x1a/0x110 [ 814.835254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 814.835258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 814.835261] ? security_file_ioctl+0x8d/0xc0 [ 814.835263] ksys_ioctl+0xab/0xd0 [ 814.835266] __x64_sys_ioctl+0x73/0xb0 [ 814.835269] do_syscall_64+0xfd/0x620 [ 814.835272] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 814.835274] RIP: 0033:0x441219 [ 814.835283] Code: e8 3c ad 02 00 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 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 814.835287] RSP: 002b:00007ffdee147428 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 814.835294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441219 [ 814.835298] RDX: 00000000200001c0 RSI: 000000000000541c RDI: 0000000000000003 [ 814.835303] RBP: 00000000000a1298 R08: 000000000000000d R09: 00000000004002c8 [ 814.835307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 814.835311] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 814.835726] Kernel panic - not syncing: hung_task: blocked tasks [ 815.240915] CPU: 1 PID: 1068 Comm: khungtaskd Not tainted 4.19.89-syzkaller #0 [ 815.248275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 815.257622] Call Trace: [ 815.260215] dump_stack+0x197/0x210 [ 815.263849] panic+0x26a/0x50e [ 815.267043] ? __warn_printk+0xf3/0xf3 [ 815.270929] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 815.275862] ? ___preempt_schedule+0x16/0x18 [ 815.280275] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 815.285727] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 815.291183] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 815.296629] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 815.302081] watchdog+0x9f0/0xee0 [ 815.305550] kthread+0x354/0x420 [ 815.308914] ? reset_hung_task_detector+0x30/0x30 [ 815.313755] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 815.319292] ret_from_fork+0x24/0x30 [ 815.324737] Kernel Offset: disabled [ 815.328368] Rebooting in 86400 seconds..