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Description of problem:
hivex generate "Argument list too long" on some Windows Registry(XP 32bit, 2003 32bit, 2003 64bit)
It works well on the same hive file with hivex-1.3.8-4.el7.x86_64

Version-Release number of selected component (if applicable):
hivex-1.3.10-5.2.el7.x86_64


How reproducible:
100%


Steps to Reproduce:
1. extract hive file from Windows image
2. dumpxml with hivexml
# hivexml WinXP-32-hvm.software > /dev/null
WinXP-32-hvm.software: Argument list too long


Actual results:
# hivexml WinXP-32-hvm.software > /dev/null
WinXP-32-hvm.software: Argument list too long


Expected results:
No error outputs


Additional info:

Upstream fix:

https://github.com/libguestfs/hivex/commit/9763f96a1374486c7d00ea5c04b8048fe69e63f3
https://github.com/libguestfs/hivex/commit/914d9b9a91babf0227989bc7ea00cf5e41ed7da4

The first patch is the required fix.  The second one
cleans up the hokey error handling in hivexml a bit.

I need PM-ack to commit this.

Verified:
 hivex-1.3.10-5.3.el7.x86_64

No error output from
# hivexml software.xp.32 > /dev/null

A similar case was reported on the mailing list today:

https://www.redhat.com/archives/libguestfs/2014-November/msg00133.html

I have fixed it upstream and will include the fix in hivex
in RHEL 7.  The fix seems like it should be completely safe:

https://github.com/libguestfs/hivex/commit/4b3c3cd2b3d8d34601979feeb1390fddd442ab04

It's hard to reproduce unless you have the precise Windows XP
version from the reporter which used a French copy of Citrix.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-0301.html