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linux/lib/iov_iter.c
Christoph Hellwig 37d4f78ae2 iov_iter: fix the uaccess area in copy_compat_iovec_from_user 
[ Upstream commit a959a9782f ]

sizeof needs to be called on the compat pointer, not the native one.

Fixes: 89cd35c58b ("iov_iter: transparently handle compat iovecs in import_iovec")
Reported-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-01-27 11:55:09 +01:00

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