From: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> commit 05fd5c2c61732152a6bddc318aae62d7e436629b upstream. Commit 088aaf17aa79300cab14dbee2569c58cfafd7d6e introduced a leak where if SMB2_read() returned an error we would return without freeing the request buffer. Cc: Stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> Reviewed-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/cifs/smb2pdu.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3285,6 +3285,7 @@ SMB2_read(const unsigned int xid, struct rc); } free_rsp_buf(resp_buftype, rsp_iov.iov_base); + cifs_small_buf_release(req); return rc == -ENODATA ? 0 : rc; } else trace_smb3_read_done(xid, req->PersistentFileId,
