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authorVlad Tsyrklevich <vlad@tsyrklevich.net>2017-01-09 22:53:36 +0700
committerWolfram Sang <wsa@the-dreams.de>2017-01-12 20:06:10 +0100
commit30f939feaeee23e21391cfc7b484f012eb189c3c (patch)
tree5eaf8a5243a0bc0dcd37f138774cbdd1d3ec41b3 /Documentation/crc32.txt
parenta121103c922847ba5010819a3f250f1f7fc84ab8 (diff)
i2c: fix kernel memory disclosure in dev interface
i2c_smbus_xfer() does not always fill an entire block, allowing kernel stack memory disclosure through the temp variable. Clear it before it's read to. Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
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