diff options
| author | Xuan Zhuo <xuanzhuo@linux.alibaba.com> | 2024-06-06 19:13:45 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-07-04 11:00:31 -0400 |
| commit | 840b2d39a2dc1b96deb3f5c7fef76c9b24f08f51 (patch) | |
| tree | e365c1c69fc1098c4ad23d891659b2d18ca3bc8c /include/linux/virtio_net.h | |
| parent | 1e1fdcbdde3b7663e5d8faeb2245b9b151417d22 (diff) | |
virtio_ring: fix KMSAN error for premapped mode
Add kmsan for virtqueue_dma_map_single_attrs to fix:
BUG: KMSAN: uninit-value in receive_buf+0x45ca/0x6990
receive_buf+0x45ca/0x6990
virtnet_poll+0x17e0/0x3130
net_rx_action+0x832/0x26e0
handle_softirqs+0x330/0x10f0
[...]
Uninit was created at:
__alloc_pages_noprof+0x62a/0xe60
alloc_pages_noprof+0x392/0x830
skb_page_frag_refill+0x21a/0x5c0
virtnet_rq_alloc+0x50/0x1500
try_fill_recv+0x372/0x54c0
virtnet_open+0x210/0xbe0
__dev_open+0x56e/0x920
__dev_change_flags+0x39c/0x2000
dev_change_flags+0xaa/0x200
do_setlink+0x197a/0x7420
rtnl_setlink+0x77c/0x860
[...]
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Tested-by: Alexander Potapenko <glider@google.com>
Message-Id: <20240606111345.93600-1-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Ilya Leoshkevich <iii@linux.ibm.com> # s390x
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/linux/virtio_net.h')
0 files changed, 0 insertions, 0 deletions