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target-fs cp leaks memory (E01 media size is 1.+ TiB)

Open hillar opened this issue 9 months ago • 2 comments

Image

hillar avatar Mar 06 '25 21:03 hillar

Hey @hillar thanks for raising a issue! Can you perhaps share more details? At the moment we would be interested in:

  • Python version used
  • Version of Dissect installed
  • Operating system used
  • Size of file being copied

Feel free to add more relevant details as well!

Horofic avatar Mar 07 '25 11:03 Horofic 


# host machine
$ uname -a
Linux dssct.box 6.13.5-200.fc41.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Feb 27 15:07:31 UTC 2025 x86_64 GNU/Linux

# media info
$ ewfinfo image.E01

Media information
	Media type:		fixed disk
	Is physical:		yes
	Write blocked:		Tableau
	Bytes per sector:	512
	Number of sectors:	3907029168
	Media size:		1.8 TiB (2000398934016 bytes)


# run python container with podman
$ podman run -ti  -v ./mnt:/mnt:Z  python:3.9 bash

# install as said in https://docs.dissect.tools/en/latest/install.html#install-procedure
$ pip install dissect

# simple cp
$  target-fs image.E01 cp /mnt/source/x  -o /mnt/target

hillar avatar Mar 10 '25 09:03 hillar