From: Xiubo Li <xiubli@xxxxxxxxxx> When the MClientSnap reqeust's op is not CEPH_SNAP_OP_SPLIT the request may still contain a list of 'split_realms', and we need to skip it anyway. Or it will be parsed as a corrupt snaptrace. Cc: stable@xxxxxxxxxxxxxxx Cc: Frank Schilder <frans@xxxxxx> Reported-by: Frank Schilder <frans@xxxxxx> URL: https://tracker.ceph.com/issues/61200 Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx> --- fs/ceph/snap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c index 0e59e95a96d9..d95dfe16b624 100644 --- a/fs/ceph/snap.c +++ b/fs/ceph/snap.c @@ -1114,6 +1114,9 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc, continue; adjust_snap_realm_parent(mdsc, child, realm->ino); } + } else { + p += sizeof(u64) * num_split_inos; + p += sizeof(u64) * num_split_realms; } /* -- 2.40.1
