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Subject[PATCH 0/8] format string usage clean ups

This series is a result of an audit of format string uses in the
kernel. Of two exploitable flaws, the first fix is now in the wireless

The second fix is here as patch 1 ("block: do not pass disk names as format strings"). All the rest are either interface clean ups or
preventative measures to avoid accidents in the future.

There is still more needed before we can do something like this in
the Makefile:

+# Enable format-security when it can stop the build, otherwise disable.
+KBUILD_CFLAGS += $(call cc-option,\
+ -Wformat -Wformat-security -Werror=format-security,\
+ -Wno-format-security)

but I think this series covers the majority of potentially sensitive
exposed infrastructure.



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