Public bug reported:
In udevadm_info the below code is called to split output lines:
key, value = line.split('=', 2)
It can lead to unhandled exception if there are more than one equal sign in the
string as split will return array of three or more elements. The correct way to
get only two elements is
to use maxsplit=1:
key, value = line.split('=', 1)
For example:
>>> line = "1='2=3'"
>>> line.split('=', 2)
['1', "'2", "3'"]
>>> key, value = line.split('=', 2)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: too many values to unpack
** Affects: curtin
Importance: Undecided
Status: New
** Patch added: "0001-udevadm_info-incorrect-maxsplit-2-is-used.patch"
https://bugs.launchpad.net/bugs/1895021/+attachment/5409128/+files/0001-udevadm_info-incorrect-maxsplit-2-is-used.patch
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https://bugs.launchpad.net/bugs/1895021
Title:
udevadm_info incorrectly splits string
Status in curtin:
New
Bug description:
In udevadm_info the below code is called to split output lines:
key, value = line.split('=', 2)
It can lead to unhandled exception if there are more than one equal sign in
the string as split will return array of three or more elements. The correct
way to get only two elements is
to use maxsplit=1:
key, value = line.split('=', 1)
For example:
>>> line = "1='2=3'"
>>> line.split('=', 2)
['1', "'2", "3'"]
>>> key, value = line.split('=', 2)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: too many values to unpack
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