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Bug 1170187 - Problems when using ftruncate on files opened in append mode
Problems when using ftruncate on files opened in append mode
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: glibc (Show other bugs)
7.0
All Linux
urgent Severity urgent
: rc
: ---
Assigned To: Carlos O'Donell
Arjun Shankar
: Regression, ZStream
Depends On: 1156331
Blocks:
  Show dependency tree / graph
 
Reported: 2014-12-03 08:26 EST by Jan Kurik
Modified: 2014-12-18 15:31 EST (History)
20 users (show)

See Also:
Fixed In Version: glibc-2.17-55.el7_0.2
Doc Type: Bug Fix
Doc Text:
If a file stream open in append mode and its underlying file descriptor are used in tandem and the file is truncated using the ftruncate function on the file descriptor, a subsequent ftell call on the stream incorrectly modifies the file offset by seeking to the new end of the file. This fix now ensures that ftell modifies the stream state only when it is in append mode and the buffer for the stream is not empty.
Story Points: ---
Clone Of: 1156331
Environment:
Last Closed: 2014-12-18 15:31:45 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2014:2023 normal SHIPPED_LIVE Moderate: glibc security and bug fix update 2014-12-18 20:31:32 EST

  None (edit)
Description Jan Kurik 2014-12-03 08:26:22 EST 
This bug has been copied from bug #1156331 and has been proposed
to be backported to 7.0 z-stream (EUS).
Comment 9 errata-xmlrpc 2014-12-18 15:31:45 EST 
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-2014-2023.html
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