bug#32666: Assertion (metadata_length > 0) failed

Hello,

On my system, parted crashes with:

# parted /dev/sdb
GNU Parted 3.2
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p                                                                
Backtrace has 15 calls on stack:
  15: /lib/x86_64-linux-gnu/libparted.so.2(ped_assert+0x45) [0x7f638abdafc5]
  14: /lib/x86_64-linux-gnu/libparted.so.2(+0x23b3f) [0x7f638abf1b3f]
  13: /lib/x86_64-linux-gnu/libparted.so.2(+0x119fa) [0x7f638abdf9fa]
  12: /lib/x86_64-linux-gnu/libparted.so.2(ped_disk_add_partition+0x283) [0x7f638abe0313]
  11: /lib/x86_64-linux-gnu/libparted.so.2(+0x233ec) [0x7f638abf13ec]
  10: /lib/x86_64-linux-gnu/libparted.so.2(+0x23480) [0x7f638abf1480]
  9: /lib/x86_64-linux-gnu/libparted.so.2(+0x23480) [0x7f638abf1480]
  8: /lib/x86_64-linux-gnu/libparted.so.2(+0x23426) [0x7f638abf1426]
  7: /lib/x86_64-linux-gnu/libparted.so.2(+0x24455) [0x7f638abf2455]
  6: /lib/x86_64-linux-gnu/libparted.so.2(ped_disk_new+0x48) [0x7f638abdff18]
  5: parted(+0x73fe) [0x55d13304c3fe]
  4: parted(interactive_mode+0x120) [0x55d1330520b0]
  3: parted(main+0x142b) [0x55d13304b1eb]
  2: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7f638a3d82e1]
  1: parted(_start+0x2a) [0x55d13304b24a]


You found a bug in GNU Parted! Here's what you have to do:

Don't panic! The bug has most likely not affected any of your data.
Help us to fix this bug by doing the following:
[...]
Your report should contain the version of this release (3.2)
along with the error message below, the output of

	parted DEVICE unit co print unit s print

and the following history of commands you entered.
Also include any additional information about your setup you
consider important.

Assertion (metadata_length > 0) at ../../../libparted/labels/dos.c:2313 in function
add_logical_part_metadata() failed.

Aborted                                                                   


# parted /dev/sdb unit co print unit s print
Backtrace has 15 calls on stack:
  15: /lib/x86_64-linux-gnu/libparted.so.2(ped_assert+0x45) [0x7f7887268fc5]
[same as above]


Best,
-Nikolaus

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