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BASH PATCH REPORT
=================
Bash-Release: 4.2
Patch-ID: bash42-022
Bug-Reported-by: Gregory Margo <gmargo@pacbell.net>
Bug-Reference-ID: <20110727174529.GA3333@pacbell.net>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2011-07/msg00102.html
Bug-Description:
The return value from lseek is `off_t'. This can cause corrupted return
values when the file offset is greater than 2**31 - 1.
Index: b/bash/lib/sh/zread.c
===================================================================
--- a/bash/lib/sh/zread.c
+++ b/bash/lib/sh/zread.c
@@ -160,14 +160,13 @@
zsyncfd (fd)
int fd;
{
- off_t off;
- int r;
+ off_t off, r;
off = lused - lind;
r = 0;
if (off > 0)
r = lseek (fd, -off, SEEK_CUR);
- if (r >= 0)
+ if (r != -1)
lused = lind = 0;
}
Index: b/bash/patchlevel.h
===================================================================
--- a/bash/patchlevel.h
+++ b/bash/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 21
+#define PATCHLEVEL 22
#endif /* _PATCHLEVEL_H_ */
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