[BusyBox 0004494]: segfault in bb_show_usage when using FEATURE_COMPRESS_USAGE on powerpc platform (probable endian unsafety)
bugs at busybox.net
bugs at busybox.net
Thu Aug 7 13:00:57 UTC 2008
The following issue has been SUBMITTED.
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http://busybox.net/bugs/view.php?id=4494
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Reported By: whitpa
Assigned To: BusyBox
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Project: BusyBox
Issue ID: 4494
Category: Other
Reproducibility: always
Severity: major
Priority: normal
Status: assigned
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Date Submitted: 08-07-2008 06:00 PDT
Last Modified: 08-07-2008 06:00 PDT
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Summary: segfault in bb_show_usage when using
FEATURE_COMPRESS_USAGE on powerpc platform (probable endian unsafety)
Description:
On a PowerPC platform using compressed help, whenever any attempt is made
to print usage strings (whether volunteered by the applet or requested via
--help), archival/libunarchive/decompress_bunzip2.c:start_bunzip() returns
RETVAL_NOT_BZIP_DATA, such that libbb/appletlib.c:unpack_usage_messages()
returns a NULL pointer and libbb/appletlib.c:bb_show_usage() subsequently
dereferences it.
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Issue History
Date Modified Username Field Change
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08-07-08 06:00 whitpa New Issue
08-07-08 06:00 whitpa Status new => assigned
08-07-08 06:00 whitpa Assigned To => BusyBox
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