Warning: Permanently added '10.128.0.136' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 506.184953] audit: type=1400 audit(1575814988.223:37): avc: denied { map } for pid=7519 comm="syz-executor534" path="/root/syz-executor534830882" 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 [ 730.168978] INFO: task login:7493 blocked for more than 140 seconds. [ 730.175608] Not tainted 4.19.88-syzkaller #0 [ 730.180801] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 730.188897] login D25064 7493 1 0x80000002 [ 730.194542] Call Trace: [ 730.197238] __schedule+0x866/0x1dc0 [ 730.201134] ? firmware_map_remove+0x1a7/0x1a7 [ 730.205731] ? mark_held_locks+0x100/0x100 [ 730.210109] ? mark_held_locks+0x100/0x100 [ 730.214357] schedule+0x92/0x1c0 [ 730.217728] schedule_timeout+0x8c8/0xfc0 [ 730.222154] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 730.227274] ? find_held_lock+0x35/0x130 [ 730.232260] ? usleep_range+0x170/0x170 [ 730.236254] ? mark_held_locks+0xb1/0x100 [ 730.240563] ? _raw_spin_unlock_irq+0x28/0x90 [ 730.245068] ? __ldsem_down_write_nested+0x3ab/0x8f0 [ 730.250316] ? _raw_spin_unlock_irq+0x28/0x90 [ 730.254943] ? lockdep_hardirqs_on+0x415/0x5d0 [ 730.259740] ? trace_hardirqs_on+0x67/0x220 [ 730.264085] __ldsem_down_write_nested+0x3b3/0x8f0 [ 730.269180] ? __ldsem_down_read_nested+0x720/0x720 [ 730.274209] ? __lock_is_held+0xb6/0x140 [ 730.278292] ldsem_down_write+0x33/0x40 [ 730.282435] ? ldsem_down_write+0x33/0x40 [ 730.286590] tty_ldisc_lock+0x1e/0x60 [ 730.290529] tty_ldisc_hangup+0x1b8/0x630 [ 730.294685] __tty_hangup.part.0+0x306/0x720 [ 730.299340] ? tty_read+0x2a0/0x2a0 [ 730.302979] tty_vhangup_session+0x25/0x30 [ 730.307214] disassociate_ctty.part.0+0xb4/0x6f0 [ 730.312118] disassociate_ctty+0x81/0xa0 [ 730.316188] do_exit+0x17bb/0x3080 [ 730.319877] ? vfs_write+0x81/0x560 [ 730.323520] ? mm_update_next_owner+0x660/0x660 [ 730.328189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.333866] ? ksys_write+0x1f1/0x2d0 [ 730.337678] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 730.342574] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 730.347338] do_group_exit+0x135/0x370 [ 730.351356] __x64_sys_exit_group+0x44/0x50 [ 730.355689] do_syscall_64+0xfd/0x620 [ 730.360423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.365616] RIP: 0033:0x7f02a5aa71e8 [ 730.369484] Code: Bad RIP value. [ 730.372848] RSP: 002b:00007ffefb505428 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 730.380706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a5aa71e8 [ 730.387977] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 730.395380] RBP: 00007f02a5d7c840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 730.402831] R10: 00007f02a5d82740 R11: 0000000000000246 R12: 00007f02a5d7c840 [ 730.410227] R13: 0000000000000001 R14: 0000000000000001 R15: 000000000060b798 [ 730.417525] [ 730.417525] Showing all locks held in the system: [ 730.424003] 1 lock held by khungtaskd/1069: [ 730.428319] #0: 00000000e82d5014 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 730.437096] 2 locks held by rs:main Q:Reg/7365: [ 730.441899] 1 lock held by rsyslogd/7367: [ 730.446040] #0: 00000000ea74e499 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 730.454078] 2 locks held by getty/7490: [ 730.458048] #0: 00000000707e5237 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.466429] #1: 000000001a31bcab (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.475414] 2 locks held by getty/7491: [ 730.479502] #0: 0000000037ee0d65 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.487751] #1: 00000000d50b0637 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.497988] 2 locks held by getty/7492: [ 730.502098] #0: 00000000a8c550c9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.510478] #1: 00000000ae89fffb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.519464] 2 locks held by login/7493: [ 730.523434] #0: 00000000b23e8d29 (&tty->legacy_mutex){+.+.}, at: tty_lock+0x73/0xb0 [ 730.531482] #1: 0000000011e7398d (&tty->ldisc_sem){++++}, at: ldsem_down_write+0x33/0x40 [ 730.539949] 2 locks held by getty/7494: [ 730.543922] #0: 0000000012ba2c9c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.552478] #1: 00000000374027ce (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.561546] 2 locks held by getty/7495: [ 730.565518] #0: 00000000f7d60692 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.573936] #1: 000000006bf0e224 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.582973] 2 locks held by getty/7496: [ 730.586944] #0: 00000000a247e517 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 730.595334] #1: 000000006fdc391e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 730.604338] 2 locks held by syz-executor534/7663: [ 730.609292] [ 730.610930] ============================================= [ 730.610930] [ 730.617941] NMI backtrace for cpu 0 [ 730.621638] CPU: 0 PID: 1069 Comm: khungtaskd Not tainted 4.19.88-syzkaller #0 [ 730.628994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.638358] Call Trace: [ 730.641047] dump_stack+0x197/0x210 [ 730.644688] nmi_cpu_backtrace.cold+0x63/0xa4 [ 730.649189] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 730.654127] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 730.659411] arch_trigger_cpumask_backtrace+0x14/0x20 [ 730.664604] watchdog+0x9df/0xee0 [ 730.668075] kthread+0x354/0x420 [ 730.671442] ? reset_hung_task_detector+0x30/0x30 [ 730.676299] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 730.681854] ret_from_fork+0x24/0x30 [ 730.685663] Sending NMI from CPU 0 to CPUs 1: [ 730.690846] NMI backtrace for cpu 1 [ 730.690851] CPU: 1 PID: 7663 Comm: syz-executor534 Not tainted 4.19.88-syzkaller #0 [ 730.690857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.690861] RIP: 0010:match_held_lock+0x12/0x500 [ 730.690871] Code: b3 fe ff ff 48 c7 c7 68 5c f2 88 e8 b8 2d 51 00 e9 1d ff ff ff 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 89 fb 48 83 c7 10 48 89 fa 48 83 ec 08 48 c1 ea [ 730.690874] RSP: 0018:ffff8880915af748 EFLAGS: 00000002 [ 730.690882] RAX: dffffc0000000000 RBX: ffff88809519c200 RCX: ffff88809519ca80 [ 730.690887] RDX: 0000000000000000 RSI: ffff8880ae92c258 RDI: ffff88809519cad0 [ 730.690891] RBP: ffff8880915af758 R08: ffff88809519c200 R09: ffffed1015d25849 [ 730.690896] R10: ffffed1015d25848 R11: ffff8880ae92c243 R12: ffff8880ae92c258 [ 730.690901] R13: ffffed1012a3394f R14: 0000000000000002 R15: ffff88809519cad0 [ 730.690906] FS: 00000000022be880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 730.690910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 730.690914] CR2: ffffffffff600400 CR3: 0000000081635000 CR4: 00000000001406e0 [ 730.690919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 730.690924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 730.690926] Call Trace: [ 730.690930] __lock_is_held+0xb6/0x140 [ 730.690933] ? prandom_u32_state+0x13/0x180 [ 730.690951] lock_is_held_type+0x110/0x210 [ 730.690954] update_rq_clock+0x21c/0x2b0 [ 730.690957] __schedule+0x253/0x1dc0 [ 730.690961] ? firmware_map_remove+0x1a7/0x1a7 [ 730.690964] ? paste_selection+0x2d5/0x443 [ 730.690967] ? paste_selection+0x2e3/0x443 [ 730.690970] schedule+0x92/0x1c0 [ 730.690974] paste_selection+0x2e8/0x443 [ 730.690977] ? set_selection+0x1370/0x1370 [ 730.690980] ? lock_downgrade+0x880/0x880 [ 730.690983] ? wake_up_q+0x100/0x100 [ 730.690987] tioclinux+0x133/0x470 [ 730.690990] vt_ioctl+0x19ab/0x2530 [ 730.690993] ? complete_change_console+0x3a0/0x3a0 [ 730.690997] ? avc_has_extended_perms+0xa78/0x10f0 [ 730.691000] ? lock_downgrade+0x880/0x880 [ 730.691003] ? avc_ss_reset+0x190/0x190 [ 730.691007] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 730.691011] ? tty_jobctrl_ioctl+0x50/0xcd0 [ 730.691014] ? complete_change_console+0x3a0/0x3a0 [ 730.691017] tty_ioctl+0x7f3/0x1510 [ 730.691020] ? tty_vhangup+0x30/0x30 [ 730.691024] ? thp_get_unmapped_area+0x1f0/0x1f0 [ 730.691028] ? __handle_mm_fault+0x7d1/0x3f80 [ 730.691031] ? __might_sleep+0x95/0x190 [ 730.691034] ? tty_vhangup+0x30/0x30 [ 730.691037] do_vfs_ioctl+0xd5f/0x1380 [ 730.691041] ? selinux_file_ioctl+0x46f/0x5e0 [ 730.691044] ? selinux_file_ioctl+0x125/0x5e0 [ 730.691047] ? ioctl_preallocate+0x210/0x210 [ 730.691051] ? selinux_file_mprotect+0x620/0x620 [ 730.691054] ? gup_pgd_range+0x21ec/0x3910 [ 730.691058] ? __sanitizer_cov_trace_cmp1+0xb/0x20 [ 730.691061] ? up_read+0x1a/0x110 [ 730.691065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.691069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.691072] ? security_file_ioctl+0x8d/0xc0 [ 730.691075] ksys_ioctl+0xab/0xd0 [ 730.691078] __x64_sys_ioctl+0x73/0xb0 [ 730.691081] do_syscall_64+0xfd/0x620 [ 730.691085] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.691088] RIP: 0033:0x4416e9 [ 730.691098] 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 [ 730.691101] RSP: 002b:00007fff2472ae38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 730.691109] RAX: ffffffffffffffda RBX: 000000000007bb3a RCX: 00000000004416e9 [ 730.691114] RDX: 0000000020000080 RSI: 000000000000541c RDI: 0000000000000003 [ 730.691119] RBP: 0000000000000000 R08: 000000000000000d R09: 0000000000000000 [ 730.691124] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000008f [ 730.691128] R13: 0000000000402470 R14: 0000000000000000 R15: 0000000000000000 [ 730.692789] Kernel panic - not syncing: hung_task: blocked tasks [ 731.070930] CPU: 0 PID: 1069 Comm: khungtaskd Not tainted 4.19.88-syzkaller #0 [ 731.078283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.087633] Call Trace: [ 731.090228] dump_stack+0x197/0x210 [ 731.093859] panic+0x26a/0x50e [ 731.097048] ? __warn_printk+0xf3/0xf3 [ 731.100937] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 731.105870] ? ___preempt_schedule+0x16/0x18 [ 731.110281] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 731.115890] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 731.121365] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 731.126824] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 731.132393] watchdog+0x9f0/0xee0 [ 731.135862] kthread+0x354/0x420 [ 731.139242] ? reset_hung_task_detector+0x30/0x30 [ 731.144100] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 731.149659] ret_from_fork+0x24/0x30 [ 731.155226] Kernel Offset: disabled [ 731.158857] Rebooting in 86400 seconds..