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Commit b5e5f9df authored by Namjae Jeon's avatar Namjae Jeon Committed by Steve French
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ksmbd: check invalid FileOffset and BeyondFinalZero in FSCTL_ZERO_DATA 



FileOffset should not be greater than BeyondFinalZero in FSCTL_ZERO_DATA.
And don't call ksmbd_vfs_zero_data() if length is zero.

Cc: stable@vger.kernel.org
Reviewed-by: default avatarHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: default avatarNamjae Jeon <linkinjeon@kernel.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 18e39fb9
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