SMB3: Work around mount failure when using SMB3 dialect to Macs

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commit 7db0a6efdc upstream.

Macs send the maximum buffer size in response on ioctl to validate
negotiate security information, which causes us to fail the mount
as the response buffer is larger than the expected response.

Changed ioctl response processing to allow for padding of validate
negotiate ioctl response and limit the maximum response size to
maximum buffer size.

Signed-off-by: Steve French <steve.french@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Steve French 2017-05-03 21:12:20 -05:00 • committed by Greg Kroah-Hartman

parent 2ac2ad9fb0

commit 8dd4e3ff1b

1 changed files with 11 additions and 3 deletions

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14

fs/cifs/smb2pdu.c

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