Control: tag -1 - patch On Fri, 10 Mar 2023 01:54:47 +0000 Birgit Edel <[email protected]> wrote: > Package: initramfs-tools-core > Version: 0.140 > Severity: wishlist > File: /usr/sbin/mkinitramfs > Tags: patch > > mkinitramfs supports compression that neither encodes size, nor is > guaranteed to signal the end of compressed archive. Linux refuses to > parse additional archives beyond the first compressed one - unless they > start at 4-byte boundary like uncompressed ones do. > > I request > A) to modify mkninitramfs to append such padding and > B) to add tests to ensure concatenation keeps working (even after, say, > compression algo/lvl changes) [...]
Currently unmkinitramfs is not able to unpack an initramfs image that has multiple compressed parts. Since you want mkinitramfs to support this option, I would expect to see a patch that also makes unmkinitramfs support it. (There is an open merge request to make unmkinitramfs use 3cpio where available: <https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/172>. I haven't tested whether 3cpio supports multiple compressed parts; if it does then only the tests need to be updated to cover this case.) Ben. -- Ben Hutchings Beware of programmers who carry screwdrivers. - Leonard Brandwein
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