Warning: Permanently added '10.128.0.220' (ECDSA) to the list of known hosts. executing program executing program executing program [ 497.095524][ T27] audit: type=1400 audit(1576420043.207:42): avc: denied { map } for pid=9075 comm="syz-executor825" path="/root/syz-executor825210326" 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 [ 716.011665][ T907] INFO: task login:9048 blocked for more than 143 seconds. [ 716.018994][ T907] Not tainted 5.5.0-rc1-syzkaller #0 [ 716.025858][ T907] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.034665][ T907] login D23224 9048 1 0x80000002 [ 716.041000][ T907] Call Trace: [ 716.044516][ T907] __schedule+0x934/0x1f90 [ 716.048944][ T907] ? __sched_text_start+0x8/0x8 [ 716.053980][ T907] ? __lock_acquire+0x29c9/0x4a00 [ 716.059007][ T907] schedule+0xdc/0x2b0 [ 716.063215][ T907] schedule_timeout+0x717/0xc50 [ 716.068096][ T907] ? __kasan_check_read+0x11/0x20 [ 716.073255][ T907] ? usleep_range+0x170/0x170 [ 716.077950][ T907] ? mark_held_locks+0xa4/0xf0 [ 716.082907][ T907] ? _raw_spin_unlock_irq+0x23/0x80 [ 716.088156][ T907] ? __ldsem_down_write_nested+0x3aa/0x8f0 [ 716.094111][ T907] ? _raw_spin_unlock_irq+0x23/0x80 [ 716.099313][ T907] ? lockdep_hardirqs_on+0x421/0x5e0 [ 716.104800][ T907] ? trace_hardirqs_on+0x67/0x240 [ 716.109839][ T907] __ldsem_down_write_nested+0x3b2/0x8f0 [ 716.115657][ T907] ? ldsem_wake+0x40/0x40 [ 716.120049][ T907] ? ___might_sleep+0x163/0x2c0 [ 716.125072][ T907] ? put_tty_driver+0x20/0x20 [ 716.129772][ T907] ldsem_down_write+0x33/0x40 [ 716.134595][ T907] ? ldsem_down_write+0x33/0x40 [ 716.139449][ T907] tty_ldisc_lock+0x66/0xb0 [ 716.144091][ T907] tty_ldisc_hangup+0x1c6/0x640 [ 716.148982][ T907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.156250][ T907] ? put_tty_driver+0x20/0x20 [ 716.160945][ T907] __tty_hangup.part.0+0x2fb/0x750 [ 716.166241][ T907] tty_vhangup_session+0x25/0x30 [ 716.171185][ T907] disassociate_ctty.part.0+0xb4/0x740 [ 716.176891][ T907] disassociate_ctty+0x81/0xa0 [ 716.181863][ T907] do_exit+0x1b42/0x2ef0 [ 716.186200][ T907] ? __vfs_write+0x92/0x110 [ 716.190708][ T907] ? mm_update_next_owner+0x7c0/0x7c0 [ 716.196260][ T907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.202640][ T907] ? ksys_write+0x1cf/0x290 [ 716.207180][ T907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 716.212899][ T907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 716.218370][ T907] do_group_exit+0x135/0x360 [ 716.223100][ T907] __x64_sys_exit_group+0x44/0x50 [ 716.228230][ T907] do_syscall_64+0xfa/0x790 [ 716.232978][ T907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.238866][ T907] RIP: 0033:0x7f814c8971e8 [ 716.243556][ T907] Code: Bad RIP value. [ 716.247623][ T907] RSP: 002b:00007ffec0ccbca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 716.256188][ T907] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f814c8971e8 [ 716.264314][ T907] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 716.272413][ T907] RBP: 00007f814cb6c840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 716.280383][ T907] R10: 00007f814cb72740 R11: 0000000000000246 R12: 00007f814cb6c840 [ 716.289377][ T907] R13: 0000000000000001 R14: 0000000000000001 R15: 000000000060b798 [ 716.297501][ T907] [ 716.297501][ T907] Showing all locks held in the system: [ 716.305349][ T907] 1 lock held by khungtaskd/907: [ 716.310275][ T907] #0: ffffffff899a56c0 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 716.319796][ T907] 3 locks held by rs:main Q:Reg/8924: [ 716.325310][ T907] 1 lock held by rsyslogd/8926: [ 716.330150][ T907] #0: ffff88809f6091a0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 716.338945][ T907] 2 locks held by login/9048: [ 716.343733][ T907] #0: ffff88809fdf5198 (&tty->legacy_mutex){+.+.}, at: tty_lock+0xc7/0x130 [ 716.352534][ T907] #1: ffff88809fdf5090 (&tty->ldisc_sem){++++}, at: ldsem_down_write+0x33/0x40 [ 716.361692][ T907] 2 locks held by getty/9049: [ 716.366360][ T907] #0: ffff8880a21d9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.375444][ T907] #1: ffffc900018cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.385125][ T907] 2 locks held by getty/9050: [ 716.389788][ T907] #0: ffff888099ea0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.398894][ T907] #1: ffffc900018db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.408553][ T907] 2 locks held by getty/9051: [ 716.414682][ T907] #0: ffff888099e9a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.423772][ T907] #1: ffffc900018eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.433447][ T907] 2 locks held by getty/9052: [ 716.438127][ T907] #0: ffff8880a45f9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.447190][ T907] #1: ffffc900018bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.456864][ T907] 2 locks held by getty/9053: [ 716.461945][ T907] #0: ffff88807ffb7090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.470892][ T907] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.480586][ T907] 2 locks held by getty/9054: [ 716.485365][ T907] #0: ffff88807cdcf090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 716.494439][ T907] #1: ffffc9000182b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 716.504103][ T907] 2 locks held by syz-executor825/9146: [ 716.509634][ T907] [ 716.512100][ T907] ============================================= [ 716.512100][ T907] [ 716.520502][ T907] NMI backtrace for cpu 0 [ 716.524876][ T907] CPU: 0 PID: 907 Comm: khungtaskd Not tainted 5.5.0-rc1-syzkaller #0 [ 716.533012][ T907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.543057][ T907] Call Trace: [ 716.546438][ T907] dump_stack+0x197/0x210 [ 716.550764][ T907] nmi_cpu_backtrace.cold+0x70/0xb2 [ 716.555995][ T907] ? vprintk_func+0x86/0x189 [ 716.560634][ T907] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 716.566263][ T907] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 716.572241][ T907] arch_trigger_cpumask_backtrace+0x14/0x20 [ 716.578143][ T907] watchdog+0xb11/0x10c0 [ 716.582415][ T907] kthread+0x361/0x430 [ 716.586475][ T907] ? reset_hung_task_detector+0x30/0x30 [ 716.592013][ T907] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 716.597726][ T907] ret_from_fork+0x24/0x30 [ 716.602200][ T907] Sending NMI from CPU 0 to CPUs 1: [ 716.608132][ C1] NMI backtrace for cpu 1 [ 716.608138][ C1] CPU: 1 PID: 9146 Comm: syz-executor825 Not tainted 5.5.0-rc1-syzkaller #0 [ 716.608143][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.608146][ C1] RIP: 0010:check_memory_region+0x0/0x1a0 [ 716.608156][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 f2 be f8 00 00 00 48 89 e5 e8 ef fd 12 06 5d c3 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 <48> 85 f6 0f 84 34 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 [ 716.608159][ C1] RSP: 0018:ffffc900026f7580 EFLAGS: 00000046 [ 716.608166][ C1] RAX: 0000000000000000 RBX: 000000000000002a RCX: ffffffff815a98e2 [ 716.608170][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8b2ced20 [ 716.608175][ C1] RBP: ffffc900026f7588 R08: 0000000000000001 R09: 000000000000002a [ 716.608179][ C1] R10: ffff8880a246caa8 R11: ffff8880a246c1c0 R12: 0000000000000008 [ 716.608183][ C1] R13: ffff8880a246caa8 R14: 0000000000000000 R15: 00000000000c002a [ 716.608188][ C1] FS: 000000000177d880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 716.608192][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.608196][ C1] CR2: ffffffffff600400 CR3: 000000009a471000 CR4: 00000000001406e0 [ 716.608200][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.608204][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.608207][ C1] Call Trace: [ 716.608210][ C1] ? __kasan_check_read+0x11/0x20 [ 716.608212][ C1] mark_lock+0xc2/0x1220 [ 716.608215][ C1] ? find_held_lock+0x35/0x130 [ 716.608218][ C1] __lock_acquire+0x538/0x4a00 [ 716.608221][ C1] ? update_curr+0x3e0/0x8d0 [ 716.608224][ C1] ? mark_held_locks+0xf0/0xf0 [ 716.608227][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 716.608231][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 716.608234][ C1] lock_acquire+0x190/0x410 [ 716.608237][ C1] ? __schedule+0x232/0x1f90 [ 716.608239][ C1] _raw_spin_lock+0x2f/0x40 [ 716.608242][ C1] ? __schedule+0x232/0x1f90 [ 716.608245][ C1] __schedule+0x232/0x1f90 [ 716.608248][ C1] ? __sched_text_start+0x8/0x8 [ 716.608251][ C1] ? paste_selection+0x2f0/0x460 [ 716.608254][ C1] ? preempt_count_add+0x52/0x160 [ 716.608257][ C1] schedule+0xdc/0x2b0 [ 716.608260][ C1] paste_selection+0x2f5/0x460 [ 716.608263][ C1] ? vcs_remove_sysfs+0x60/0x60 [ 716.608266][ C1] ? lock_downgrade+0x920/0x920 [ 716.608268][ C1] ? wake_up_q+0x140/0x140 [ 716.608271][ C1] tioclinux+0x133/0x480 [ 716.608274][ C1] vt_ioctl+0x1a41/0x26d0 [ 716.608277][ C1] ? complete_change_console+0x3a0/0x3a0 [ 716.608280][ C1] ? lock_downgrade+0x920/0x920 [ 716.608283][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 716.608286][ C1] ? tomoyo_path_number_perm+0x214/0x520 [ 716.608289][ C1] ? find_held_lock+0x35/0x130 [ 716.608293][ C1] ? tomoyo_path_number_perm+0x214/0x520 [ 716.608296][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 716.608305][ C1] ? tty_jobctrl_ioctl+0x50/0xd40 [ 716.608309][ C1] ? complete_change_console+0x3a0/0x3a0 [ 716.608311][ C1] tty_ioctl+0xa37/0x14f0 [ 716.608314][ C1] ? tty_vhangup+0x30/0x30 [ 716.608317][ C1] ? tomoyo_path_number_perm+0x454/0x520 [ 716.608321][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 716.608324][ C1] ? tomoyo_path_number_perm+0x25e/0x520 [ 716.608328][ C1] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 716.608330][ C1] ? ___might_sleep+0x163/0x2c0 [ 716.608333][ C1] ? tty_vhangup+0x30/0x30 [ 716.608336][ C1] do_vfs_ioctl+0x977/0x14e0 [ 716.608339][ C1] ? compat_ioctl_preallocate+0x220/0x220 [ 716.608343][ C1] ? selinux_file_mprotect+0x620/0x620 [ 716.608346][ C1] ? __kasan_check_write+0x14/0x20 [ 716.608349][ C1] ? tomoyo_file_ioctl+0x23/0x30 [ 716.608352][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.608355][ C1] ? security_file_ioctl+0x8d/0xc0 [ 716.608358][ C1] ksys_ioctl+0xab/0xd0 [ 716.608361][ C1] __x64_sys_ioctl+0x73/0xb0 [ 716.608363][ C1] do_syscall_64+0xfa/0x790 [ 716.608367][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.608369][ C1] RIP: 0033:0x4416c9 [ 716.608379][ C1] Code: e8 bc b2 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 6b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 716.608382][ C1] RSP: 002b:00007ffe2e0c1668 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 716.608401][ C1] RAX: ffffffffffffffda RBX: 000000000007a825 RCX: 00000000004416c9 [ 716.608405][ C1] RDX: 0000000020000080 RSI: 000000000000541c RDI: 0000000000000003 [ 716.608408][ C1] RBP: 0000000000000000 R08: 000000000000000d R09: 0000000000000000 [ 716.608412][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000046 [ 716.608416][ C1] R13: 0000000000402450 R14: 0000000000000000 R15: 0000000000000000 [ 716.610262][ T907] Kernel panic - not syncing: hung_task: blocked tasks [ 717.076758][ T907] CPU: 0 PID: 907 Comm: khungtaskd Not tainted 5.5.0-rc1-syzkaller #0 [ 717.084898][ T907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.094937][ T907] Call Trace: [ 717.098231][ T907] dump_stack+0x197/0x210 [ 717.102575][ T907] panic+0x2e3/0x75c [ 717.106483][ T907] ? add_taint.cold+0x16/0x16 [ 717.111173][ T907] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 717.116801][ T907] ? ___preempt_schedule+0x16/0x18 [ 717.121904][ T907] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 717.128052][ T907] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 717.134290][ T907] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 717.140447][ T907] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 717.146612][ T907] watchdog+0xb22/0x10c0 [ 717.150860][ T907] kthread+0x361/0x430 [ 717.154925][ T907] ? reset_hung_task_detector+0x30/0x30 [ 717.160461][ T907] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 717.166179][ T907] ret_from_fork+0x24/0x30 [ 717.172090][ T907] Kernel Offset: disabled [ 717.176418][ T907] Rebooting in 86400 seconds..