Public bug reported:
Binary package hint: virtualbox-ose
When attempting to use vdfuse to mount a .vdi containing extended
partitions, it fails with "Invalid EBR signature found on image".
To reproduce:
- Download attached overflow.vdi.xz, decompress with 'xz -d overflow.vdi.xz'
- Try to mount it: 'mkdir mnt; vdfuse -f overflow.vdi mnt'
- Error is printed and vdfuse fails
The error occurs because in vdfuse.c initialisePartitionTable() line
430, the read is offset by EBR_START, but the struct EBRentry already
contains padding to take care of that. Also on line 444, uOffset should
be the EBR offset in bytes, but it is assigned ebr.chain.offset, which
is expressed in sectors.
I shall attach a patch to fix these bugs.
** Affects: virtualbox-ose (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/759988
Title:
vdfuse fails on extended partitions
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