From: Xiubo Li <xiubli@xxxxxxxxxx> Once this happens that means there have bugs. URL: https://tracker.ceph.com/issues/63586 Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx> --- net/ceph/osd_client.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 9be80d01c1dc..f8029b30a3fb 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -5912,6 +5912,13 @@ static int osd_sparse_read(struct ceph_connection *con, fallthrough; case CEPH_SPARSE_READ_DATA: if (sr->sr_index >= count) { + if (sr->sr_datalen) { + pr_warn_ratelimited("sr_datalen %u sr_index %d count %u\n", + sr->sr_datalen, sr->sr_index, + count); + return -EREMOTEIO; + } + sr->sr_state = CEPH_SPARSE_READ_HDR; goto next_op; } @@ -5919,6 +5926,8 @@ static int osd_sparse_read(struct ceph_connection *con, eoff = sr->sr_extent[sr->sr_index].off; elen = sr->sr_extent[sr->sr_index].len; + sr->sr_datalen -= elen; + dout("[%d] ext %d off 0x%llx len 0x%llx\n", o->o_osd, sr->sr_index, eoff, elen); -- 2.43.0
