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ecdc475e07
Commit8d4826cc8a("vsnprintf: collapse the number format state into one single state") changed the format specification decoding to be a bit more straightforward but in the process ended up also resetting the number base to zero for formats that aren't clearly numerical. Now, the number base obviously doesn't matter for something like '%s', so this wasn't all that obvious. But some of our specialized pointer extension formatting (ie, things like "print out IPv6 address") did up depending on the default base-10 setting, and when they then tried to print out numbers in "base zero", things didn't work out so well. Most pointer formatting (including things like the default raw hex value conversion) didn't have this issue, because they used helpers that explicitly set the base. Reported-and-tested-by: kernel test robot <oliver.sang@intel.com> Closes: https://lore.kernel.org/oe-lkp/202501131352.e226f995-lkp@intel.com Fixes:8d4826cc8a("vsnprintf: collapse the number format state into one single state") Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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
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https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText 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.