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Theodore Ts'o authored
This fixes a harmless UBSAN where root could potentially end up causing an overflow while bumping the entropy_total field (which is ignored once the entropy pool has been initialized, and this generally is completed during the boot sequence). This is marginal for the stable kernel series, but it's a really trivial patch, and it fixes UBSAN warning that might cause security folks to get overly excited for no reason. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reported-by: Chen Feng <puck.chen@hisilicon.com> Cc: stable@vger.kernel.org
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