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Commit d81269fe authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
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io_uring: fix provide_buffers sign extension



io_provide_buffers_prep()'s "p->len * p->nbufs" to sign extension
problems. Not a huge problem as it's only used for access_ok() and
increases the checked length, but better to keep typing right.

Reported-by: default avatarColin Ian King <colin.king@canonical.com>
Fixes: efe68c1c ("io_uring: validate the full range of provided buffers for access")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Reviewed-by: default avatarColin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/562376a39509e260d8532186a06226e56eb1f594.1616149233.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b65c128f
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