binder: 9312:9315 ioctl c018aa3f 20000000 returned -22
device lo entered promiscuous mode
INFO: task syz-executor5:9281 blocked for more than 120 seconds.
      Not tainted 4.9.92-g9c3fb9c #70
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D27600  9281   3840 0x00000004
 ffff8801d6d7c800 ffff8801c941d500 ffff8801b8d08a80 ffff88018de01800
 ffff8801db321b98 ffff8801d6a872c0 ffffffff838a76cb 0000000041b58ab3
 ffffffff84193da8 00ffffff8123ac80 ffff8801db322468 ffff8801db322490
Call Trace:
 [<ffffffff838a8c6f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3551
 [<ffffffff838b4c2c>] schedule_timeout+0x56c/0x10b0 kernel/time/timer.c:1768
 [<ffffffff838a6e7e>] io_schedule_timeout+0x1be/0x390 kernel/sched/core.c:5173
 [<ffffffff8163838e>] io_schedule include/linux/sched.h:460 [inline]
 [<ffffffff8163838e>] dio_await_one fs/direct-io.c:461 [inline]
 [<ffffffff8163838e>] dio_await_completion fs/direct-io.c:515 [inline]
 [<ffffffff8163838e>] do_blockdev_direct_IO+0x481e/0x7ab0 fs/direct-io.c:1331
 [<ffffffff8163b6c5>] __blockdev_direct_IO+0xa5/0xd0 fs/direct-io.c:1360
 [<ffffffff8162a800>] blkdev_direct_IO+0xa0/0xd0 fs/block_dev.c:183
 [<ffffffff8143c293>] generic_file_read_iter+0x793/0x1ac0 mm/filemap.c:1952
 [<ffffffff8162b7f5>] blkdev_read_iter+0x105/0x170 fs/block_dev.c:1738
 [<ffffffff81610094>] generic_file_splice_read+0x294/0x510 fs/splice.c:309
 [<ffffffff8160e84a>] do_splice_to+0x10a/0x160 fs/splice.c:899
 [<ffffffff8160eaed>] splice_direct_to_actor+0x24d/0x800 fs/splice.c:971
 [<ffffffff8160f247>] do_splice_direct+0x1a7/0x270 fs/splice.c:1080
 [<ffffffff8157221b>] do_sendfile+0x54b/0xd30 fs/read_write.c:1393
 [<ffffffff81574171>] SYSC_sendfile64 fs/read_write.c:1448 [inline]
 [<ffffffff81574171>] SyS_sendfile64+0xd1/0x160 fs/read_write.c:1440
 [<ffffffff81006504>] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282
 [<ffffffff838b8593>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb

Showing all locks held in the system:
2 locks held by khungtaskd/515:
 #0:  (rcu_read_lock){......}, at: [<ffffffff813722b5>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff813722b5>] watchdog+0x125/0xa70 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff81236de0>] debug_show_all_locks+0x70/0x280 kernel/locking/lockdep.c:4336
1 lock held by rsyslogd/3647:
 #0:  (&f->f_pos_lock){+.+.+.}, at: [<ffffffff815d316f>] __fdget_pos+0x9f/0xc0 fs/file.c:781
2 locks held by getty/3743:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff838b67a2>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff8200a8f4>] n_tty_read+0x1f4/0x16c0 drivers/tty/n_tty.c:2133

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

NMI backtrace for cpu 1
CPU: 1 PID: 515 Comm: khungtaskd Not tainted 4.9.92-g9c3fb9c #70
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d842fd00 ffffffff81d95109 0000000000000000 0000000000000001
 0000000000000001 0000000000000001 ffffffff810bb8f0 ffff8801d842fd38
 ffffffff81da025d 0000000000000001 0000000000000000 ffff8801d6619c18
Call Trace:
 [<ffffffff81d95109>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d95109>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81da025d>] nmi_cpu_backtrace+0xfd/0x120 lib/nmi_backtrace.c:99
 [<ffffffff81da0397>] nmi_trigger_cpumask_backtrace+0x117/0x190 lib/nmi_backtrace.c:60
 [<ffffffff810bb9e4>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37
 [<ffffffff81372880>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline]
 [<ffffffff81372880>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff81372880>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff81372880>] watchdog+0x6f0/0xa70 kernel/hung_task.c:239
 [<ffffffff8119c0dd>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff838b875c>] 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 skipped: idling at pc 0xffffffff838b7216