BASH PATCH REPORT ================= Bash-Release: 4.2 Patch-ID: bash42-022 Bug-Reported-by: Gregory Margo 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. Patch (apply with `patch -p0'): --- a/lib/sh/zread.c +++ b/lib/sh/zread.c @@ -160,14 +160,13 @@ void 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; } --- a/patchlevel.h +++ b/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_ */