loop4: p251 start 1854537728 is beyond EOD, truncated
loop4: p252 start 1854537728 is beyond EOD, truncated
loop4: p253 start 1854537728 is beyond EOD, truncated
loop4: p254 start 1854537728 is beyond EOD, truncated
loop4: p255 start 1854537728 is beyond EOD, truncated
INFO: task init:32713 blocked for more than 140 seconds.
      Not tainted 4.9.144+ #78
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
init            D28872 32713      1 0x00000000
 ffff8801a2f9c740 ffff8801d4c58580 ffff8801a41ce300 ffff8801da5f8000
 ffff8801db621018 ffff8801cc1f7570 ffffffff82808a22 ffff8801a2f9cff0
 000000000000015c 0000000000000000 0000000000000000 ffff8801db6218f0
Call Trace:
 [<ffffffff82809f4f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff82815735>] schedule_timeout+0x735/0xe20 kernel/time/timer.c:1771
 [<ffffffff82811d21>] __down_common kernel/locking/semaphore.c:221 [inline]
 [<ffffffff82811d21>] __down+0x191/0x2b0 kernel/locking/semaphore.c:238
 [<ffffffff811fcd5e>] down+0x5e/0x80 kernel/locking/semaphore.c:61
 [<ffffffff8122250c>] console_lock+0x2c/0x80 kernel/printk/printk.c:2217
 [<ffffffff81227a9c>] console_device+0x1c/0xc0 kernel/printk/printk.c:2554
 [<ffffffff81d2cb25>] tty_lookup_driver drivers/tty/tty_io.c:2008 [inline]
 [<ffffffff81d2cb25>] tty_open_by_driver drivers/tty/tty_io.c:2053 [inline]
 [<ffffffff81d2cb25>] tty_open+0x6f5/0xdf0 drivers/tty/tty_io.c:2130
 [<ffffffff81517e5d>] chrdev_open+0x22d/0x5c0 fs/char_dev.c:392
 [<ffffffff815020bf>] do_dentry_open+0x3ef/0xc90 fs/open.c:766
 [<ffffffff815059ec>] vfs_open+0x11c/0x210 fs/open.c:879
 [<ffffffff8153c8e1>] do_last fs/namei.c:3457 [inline]
 [<ffffffff8153c8e1>] path_openat+0x661/0x2d90 fs/namei.c:3581
 [<ffffffff81541e97>] do_filp_open+0x197/0x270 fs/namei.c:3615
 [<ffffffff815063fd>] do_sys_open+0x30d/0x5c0 fs/open.c:1072
 [<ffffffff815066dd>] SYSC_open fs/open.c:1090 [inline]
 [<ffffffff815066dd>] SyS_open+0x2d/0x40 fs/open.c:1085
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82818cd3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

Showing all locks held in the system:
2 locks held by khungtaskd/24:
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c22c>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131c22c>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff813fea8f>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/1902:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff8156d4fc>] __fdget_pos+0xac/0xd0 fs/file.c:781
2 locks held by getty/2029:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82816db2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff81d38122>] n_tty_read+0x202/0x1830 drivers/tty/n_tty.c:2156
1 lock held by init/32713:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/32714:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/32715:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by syz-executor4/32732:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d45917>] ptmx_open+0xf7/0x310 drivers/tty/pty.c:753
1 lock held by syz-executor4/32733:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d45917>] ptmx_open+0xf7/0x310 drivers/tty/pty.c:753
1 lock held by init/32754:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/32755:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130
1 lock held by init/32756:
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open_by_driver drivers/tty/tty_io.c:2052 [inline]
 #0:  (tty_mutex){+.+.+.}, at: [<ffffffff81d2c8a6>] tty_open+0x476/0xdf0 drivers/tty/tty_io.c:2130

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.144+ #78
 ffff8801d9907d08 ffffffff81b43b89 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff81098440 ffff8801d9907d40
 ffffffff81b4ec99 0000000000000001 0000000000000000 0000000000000003
Call Trace:
 [<ffffffff81b43b89>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b43b89>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81b4ec99>] nmi_cpu_backtrace.cold.0+0x48/0x87 lib/nmi_backtrace.c:99
 [<ffffffff81b4ec2c>] nmi_trigger_cpumask_backtrace+0x12c/0x151 lib/nmi_backtrace.c:60
 [<ffffffff81098544>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff8131c7bd>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff8131c7bd>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff8131c7bd>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff8131c7bd>] watchdog+0x6ad/0xa20 kernel/hung_task.c:239
 [<ffffffff81142ccd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff82818e9c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11232 Comm: syz-executor2 Not tainted 4.9.144+ #78
task: ffff8801d2c517c0 task.stack: ffff8801d28f0000
RIP: 0010:[<ffffffff8281a320>] 
c [<ffffffff8281a320>] entry_INT80_compat+0x0/0xa0 arch/x86/entry/entry_64_compat.S:289
RSP: 0000:ffff8801d28f7fd8  EFLAGS: 00000006
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007fe7d656f6d4
R13: 00000000004c538f R14: 00000000004d98a8 R15: 00000000ffffffff
FS:  00007fe7d656f700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd894b2298 CR3: 00000001d74eb000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 0000000020000142
c 0000000000000033
c 0000000000000206
c 00007fe7d656ec58
c
 000000000000002b
c
Call Trace:
Code: 
c4d 
c31 
cd2 
ceb 
c1a 
c0f 
c20 
cd8 
c65 
c48 
c0b 
c04 
c25 
c48 
c80 
c01 
c00 
c78 
c08 
c65 
c88 
c04 
c25 
c4f 
c80 
c01 
c00 
c0f 
c22 
cd8 
c58 
c48 
c8b 
c64 
c24 
c20 
c0f 
c01 
cf8 
c0f 
c07 
c66 
c90 
c<66> 
c0f 
c1f 
c44 
c00 
c00 
c0f 
c01 
cf8 
c0f 
c1f 
c00 
ceb 
c21 
c90 
c90 
c90 
c90 
c90 
c90 
c90 
c