Thomas Schmitt
19212f2781
When probing partitions, we inherit important information from the parent disk device such as ID_MODEL, and usage of such properties is seen to be acceptable and well established. However, we need to exclude filesystem information from the properties that get inherited. Information about the device content should not be passed on in this way. For example, Linux distro install media commonly uses an ISO filesystem plus a partition table. The ISO filesystem is detected on the main disk device, but we should not pass down those details to the partitions, some or all of which may be pointing at storage areas completely distinct from the ISO filesystem. This is particularly problematic when adding new partitions on media set up in this way (since the new partitions are then reported to contain the parent device's ISO filesystem), or when dealing with more unusual hybrid ISO layouts. The inaccuracy of information here inversely affects users of blkid and udev's persistent storage symlinks. Exclude ID_FS_* properties from the inheritance chain to avoid these problems. Fixes: #14408
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