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2c0acd1a1e
commit d3042cbe84a060b4df764eb6c5300bbe20d125ca upstream.
The error path of copying the old config used the wrong variable in the
error message:
$ mkdir /tmp/build
$ ./tools/testing/ktest/config-bisect.pl -b /tmp/build config-good /tmp/config-bad
$ chmod 0 /tmp/build
$ ./tools/testing/ktest/config-bisect.pl -b /tmp/build config-good /tmp/config-bad good
cp /tmp/build//.config config-good.tmp ... [0 seconds] FAILED!
Use of uninitialized value $config in concatenation (.) or string at ./tools/testing/ktest/config-bisect.pl line 744.
failed to copy to config-good.tmp
When it should have shown:
failed to copy /tmp/build//.config to config-good.tmp
Cc: stable@vger.kernel.org
Cc: John 'Warthog9' Hawley <warthog9@kernel.org>
Fixes: 0f0db06599 ("ktest: Add standalone config-bisect.pl program")
Link: https://patch.msgid.link/20251203180924.6862bd26@gandalf.local.home
Reported-by: "John W. Krahn" <jwkrahn@shaw.ca>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.