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BASH PATCH REPORT
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=================
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Bash-Release: 4.2
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Patch-ID: bash42-022
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Bug-Reported-by: Gregory Margo <gmargo@pacbell.net>
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Bug-Reference-ID: <20110727174529.GA3333@pacbell.net>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-07/msg00102.html
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Bug-Description:
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The return value from lseek is `off_t'. This can cause corrupted return
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values when the file offset is greater than 2**31 - 1.
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Patch (apply with `patch -p0'):
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*** ../bash-4.2-patched/lib/sh/zread.c Mon Mar 2 08:54:45 2009
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--- lib/sh/zread.c Thu Jul 28 18:16:53 2011
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***************
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*** 161,166 ****
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int fd;
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{
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! off_t off;
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! int r;
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off = lused - lind;
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--- 161,165 ----
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int fd;
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{
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! off_t off, r;
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off = lused - lind;
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***************
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*** 169,173 ****
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r = lseek (fd, -off, SEEK_CUR);
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! if (r >= 0)
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lused = lind = 0;
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}
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--- 168,172 ----
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r = lseek (fd, -off, SEEK_CUR);
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! if (r != -1)
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lused = lind = 0;
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}
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*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
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--- patchlevel.h Thu Feb 24 21:41:34 2011
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 21
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 22
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#endif /* _PATCHLEVEL_H_ */
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