Anatolii Shumak 0710dd0882 smb: compress: reject Pattern_V1 when not negotiated ... Pattern_V1 is an optional chained payload type selected during SMB 3.1.1 compression negotiate. conn->compress_pattern was only consulted when building responses, so a peer that negotiated LZ77 with chained support could still submit Pattern payloads on the receive path. Pass allow_pattern through smb_compression_decompress() and reject SMB3_COMPRESS_PATTERN in the chained decoder when it is false. Link: https://github.com/namjaejeon/ksmbd/issues/529 Fixes: a08de24c2b ("ksmbd: negotiate and decode SMB2 compression") Signed-off-by: Anatolii Shumak <anatoliy.shumak@gmail.com> Reviewed-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>		2026-08-03 11:21:22 -05:00
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compress.c	smb: compress: reject Pattern_V1 when not negotiated	2026-08-03 11:21:22 -05:00
compress.h	smb: compress: reject Pattern_V1 when not negotiated	2026-08-03 11:21:22 -05:00
lz77.c
lz77.h