From: Mike Christie <michaelc@xxxxxxxxxxx> from olaf.kirch@xxxxxxxxxx: iscsi_r2t_rsp checks the incoming R2T for sanity, and if it thinks it's fishy, it will drop it silently. In this case, we leaked an r2t_info object. If we do this often enough, we run into a BUG_ON some time later. Removed r2t wrappers and update patch by Mike Christie Signed-off-by: Olaf Kirch <olaf.kirch@xxxxxxxxxx> Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx> --- drivers/scsi/iscsi_tcp.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 7212fe9..ecba606 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -658,6 +658,8 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) r2t->data_length = be32_to_cpu(rhdr->data_length); if (r2t->data_length == 0) { printk(KERN_ERR "iscsi_tcp: invalid R2T with zero data len\n"); + __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, + sizeof(void*)); spin_unlock(&session->lock); return ISCSI_ERR_DATALEN; } @@ -669,10 +671,12 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) r2t->data_offset = be32_to_cpu(rhdr->data_offset); if (r2t->data_offset + r2t->data_length > scsi_bufflen(ctask->sc)) { - spin_unlock(&session->lock); printk(KERN_ERR "iscsi_tcp: invalid R2T with data len %u at " "offset %u and total length %d\n", r2t->data_length, r2t->data_offset, scsi_bufflen(ctask->sc)); + __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, + sizeof(void*)); + spin_unlock(&session->lock); return ISCSI_ERR_DATALEN; } -- 1.5.1.2 - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html