Package: bash
Version: 3.1-5
Severity: normal
Substring operations that are meant to return an empty string "" sometimes
return character "\177" instead.
eg:
A=""
B="${A:0}"
touch "/tmp/test/TEST${A:0}"
-> touch: cannot touch `/tmp/test/TEST\177': No such file or directory
touch "/tmp/test/TEST$B"
-> touch: cannot touch `/tmp/test/TEST': No such file or directory
The example above is contrived, here is another (more realistic) example:
A="abc"
touch "/tmp/test/TEST${A:3}"
-> touch: cannot touch `/tmp/test/TEST\177': No such file or directory
Until this is fixed we need to use intermediate variables in cases where
a string expansion could return an empty string.
According to Chet this was fixed in bash 3.2
Please backport this fix to the Debian version of bash, or start using
the 3.2 source directly.
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (990, 'testing'), (500, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.17-2-686
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages bash depends on:
ii base-files 3.1.16 Debian base system miscellaneous f
ii debianutils 2.17 Miscellaneous utilities specific t
ii libc6 2.3.6.ds1-4 GNU C Library: Shared libraries
ii libncurses5 5.5-3 Shared libraries for terminal hand
bash recommends no packages.
-- no debconf information
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