mtd: diskonchip: Cast an operand to prevent potential overflow

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commit 9b458e8be0 upstream.

There may be a potential integer overflow issue in inftl_partscan().
parts[0].size is defined as "uint64_t"  while mtd->erasesize and
ip->firstUnit are defined as 32-bit unsigned integer. The result of
the calculation will be limited to 32 bits without correct casting.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Zichen Xie <zichenxie0106@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Zichen Xie 2024-10-23 16:13:10 -05:00 • committed by Greg Kroah-Hartman

parent b186b36a7c

commit ee33d36f41

1 changed files with 1 additions and 1 deletions

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drivers/mtd/nand/raw/diskonchip.c

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