CIFS: fix wrapping bugs in num_entries()

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commit 56446f218a upstream.

The problem is that "entryptr + next_offset" and "entryptr + len + size"
can wrap.  I ended up changing the type of "entryptr" because it makes
the math easier when we don't have to do so much casting.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Dan Carpenter 2018-09-06 12:48:22 +03:00 • committed by Ben Hutchings

parent 28560a6f2a

commit e09fa2de99

1 changed files with 15 additions and 10 deletions

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fs/cifs/smb2pdu.c

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