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80c968a04a
gbaudio_dapm_free_controls() iterates over widgets using list_for_each_entry_safe(), which leaves the loop cursor pointing to a meaningless structure if it completes a traversal of the list. The cursor was set to NULL at the end of the loop body, but would be overwritten by the final loop cursor update. Because of this behavior, the widget could be non-null after the loop even if the widget wasn't found, and the cleanup logic would treat the pointer as a valid widget to free. To fix this, introduce a temporary variable to act as the loop cursor and copy it to a variable that can be accessed after the loop finishes. This was detected with the help of Coccinelle. Signed-off-by: Jared Kangas <kangas.jd@gmail.com> Link: https://lore.kernel.org/r/20220605231806.720085-1-kangas.jd@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
| scripts | ||
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| sound | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| .gitignore | ||
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| README | ||
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.