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Bug 1434656 - rpm installation failed with --relocate option due to large header size
Summary: rpm installation failed with --relocate option due to large header size
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: rpm
Version: 7.3
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Packaging Maintenance Team
QA Contact: Jan Blazek
URL:
Whiteboard:
Depends On:
Blocks: 1420851 1465896 1466368
TreeView+ depends on / blocked
 
Reported: 2017-03-22 02:37 UTC by Masahiro Matsuya
Modified: 2021-06-10 12:05 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-04-10 15:58:38 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0877 0 None None None 2018-04-10 15:59:42 UTC

Description Masahiro Matsuya 2017-03-22 02:37:38 UTC 
Description of problem:
This is related with a old fedora bug.
https://bugzilla.redhat.com/show_bug.cgi?id=982348

A customer has a custom package with a large number of files.
He could not install it on RHEL7.3 with --relocate option.

I put the actual command and the result in another private comment.

After investigation, it failed with the following code (hdrchkData) in headerExport().

    /* Sanity checks on header intro. */
    if (hdrchkTags(il) || hdrchkData(dl))
        goto errxit;

(gdb) print il
$3 = 68
(gdb) print/x dl
$2 = 0x1496158

In lib/header_internal.h:
/**
 * Sanity check on data size and/or offset and/or count.
 * This check imposes a limit of 16 MB, more than enough.
 */
#define HEADER_DATA_MAX 0x00ffffff
#define hdrchkData(_nbytes) ((_nbytes) & (~HEADER_DATA_MAX))

It failed in hdrchkData().

Can we remove this limitation by increasing the maximum header data?


Version-Release number of selected component (if applicable):
Red Hat Enterprise Linux 7

How reproducible:
Always

Steps to Reproduce:
I will write this in a separated private comment.

Actual results:
installation failed. rpmdb was not updated.
But, the files are installed on the system.

Expected results:
installation doesn't fail

Additional info:

C#1 in https://bugzilla.redhat.com/show_bug.cgi?id=982348
> But yes, this needs fixing sooner than later.

This comment was created in 2013, so I want to know if it can be fixed in RHEL7 at this stage.
Comment 1 Masahiro Matsuya 2017-03-22 02:44:33 UTC 
Also, it seems that BZ#953719 referred from above bugzilla (BZ#982348, C#4)
The patch should be https://github.com/rpm-software-management/rpm/commit/da3a3a14e757ccd517e2eb2a3f0293ff48b3ff7f, and it has already been applied to RHEL7.
Comment 11 errata-xmlrpc 2018-04-10 15:58:38 UTC 
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://access.redhat.com/errata/RHBA-2018:0877
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