* |WARNING| pw114462 [PATCH] segfault in ovs in setup with DPDK, qemu vhost-user
@ 2022-07-30 16:30 dpdklab
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From: dpdklab @ 2022-07-30 16:30 UTC (permalink / raw)
To: test-report; +Cc: dpdk-test-reports
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Test-Label: iol-testing
Test-Status: WARNING
http://dpdk.org/patch/114462
_apply patch failure_
Submitter: Claudio Fontana <cfontana@suse.de>
Date: Saturday, July 30 2022 16:17:36
Applied on: CommitID:72206323a5dd3182b13f61b25a64abdddfee595c
Apply patch set 114462 failed:
Checking patch lib/vhost/virtio_net.c...
error: while searching for:
*desc_chain_head = idx;
if (vq->desc[idx].flags & VRING_DESC_F_INDIRECT) {
dlen = vq->desc[idx].len;
nr_descs = dlen / sizeof(struct vring_desc);
error: patch failed: lib/vhost/virtio_net.c:722
error: while searching for:
idx = descs[idx].next;
}
*desc_chain_len = len;
*vec_idx = vec_id;
error: patch failed: lib/vhost/virtio_net.c:773
Applying patch lib/vhost/virtio_net.c with 2 rejects...
Rejected hunk #1.
Rejected hunk #2.
diff a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c (rejected hunks)
@@ -722,6 +722,13 @@ fill_vec_buf_split(struct virtio_net *dev, struct vhost_virtqueue *vq,
*desc_chain_head = idx;
+ /* XXX claudio: why zero? */
+ if (unlikely(vq->desc[idx].addr == 0 || vq->desc[idx].len == 0)) {
+ VHOST_LOG_DATA(dev->ifname, ERR, "claudio: skipping broken vq descriptor: addr=%llu, len=%u",
+ vq->desc[idx].addr, vq->desc[idx].len);
+ goto out;
+ }
+
if (vq->desc[idx].flags & VRING_DESC_F_INDIRECT) {
dlen = vq->desc[idx].len;
nr_descs = dlen / sizeof(struct vring_desc);
@@ -773,6 +780,7 @@ fill_vec_buf_split(struct virtio_net *dev, struct vhost_virtqueue *vq,
idx = descs[idx].next;
}
+out:
*desc_chain_len = len;
*vec_idx = vec_id;
https://lab.dpdk.org/results/dashboard/patchsets/23109/
UNH-IOL DPDK Community Lab
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2022-07-30 16:30 |WARNING| pw114462 [PATCH] segfault in ovs in setup with DPDK, qemu vhost-user dpdklab
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