> I have implemented the listing of uncompressed cpio archives (roughly
120 lines of code). Now I have to add the decompression support
Finding offsets of the embedded archives is the only time consuming part
of the whole script. Mby it is better to create a separate tool, say
"scaninitramfs", to
Public bug reported:
Since 23.10 the initrd consists of 4 embedded cpio:
- amd microcode
- intel microcode
- firmware + kernel modules
- rest (compressed)
Previously it was:
- amd microcode
- intel microcode
- rest (compressed)
There is no archive size header for cpio, so unmkinitramfs has to
https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/92
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https://bugs.launchpad.net/bugs/2055055
Title:
unmkinitramfs: wrong and
> The count_bytes solution looks better to me
The updated patch is attached.
I've just checked: all the *_bytes flags were introduced to dd in the
same commit
https://github.com/coreutils/coreutils/commit/140eca15c4a3d3213629a048cc307fde0d094738,
so it is safe to throw in count_bytes in the mix.
Just found out, aside for skip_bytes iflag, there is also count_bytes
one. So another fix count be:
113: dd < "$initramfs" skip=$start count=$((end - start))
iflag=skip_bytes,count_bytes 2> /dev/null |
** Description changed:
Speaking about this line in unmkinitramfs:
- 113: dd <
Public bug reported:
Speaking about this line in unmkinitramfs:
113: dd < "$initramfs" skip=$start count=$((end - start))
iflag=skip_bytes 2> /dev/null |
dd's block size is 512 by default. iflag=skip_bytes does not change that. Both
$end and $start are byte-offsets. Hence the count is
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