| Message ID | 1338220845-25082-1-git-send-email-levinsasha928@gmail.com |
|---|---|
| State | Not Applicable, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 5af18d1..2fd7305 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -192,10 +192,10 @@ static int pack_sg_list(struct scatterlist *sg, int start, s = rest_of_page(data); if (s > count) s = count; + BUG_ON(index >= limit); sg_set_buf(&sg[index++], data, s); count -= s; data += s; - BUG_ON(index > limit); } return index-start;
The BUG_ON() in pack_sg_list() would get triggered only one time after we've corrupted some memory by sg_set_buf() into an invalid sg buffer. I'm still working on figuring out why I manage to trigger that bug... Signed-off-by: Sasha Levin <levinsasha928@gmail.com> --- net/9p/trans_virtio.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)