From: David Ahern <[email protected]>
kmemleak reported new suspected memory leaks.
$ cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff880130b6ec00 (size 1024):
comm "ip", pid 916, jiffies 4296194668 (age 7251.672s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000001ed37cc9>] kmemleak_alloc+0x70/0x94
[<00000000646dfdeb>] slab_post_alloc_hook+0x42/0x52
[<0000000004aba61b>] __kmalloc+0x101/0x142
[<0000000054d50e21>] kmalloc_array.constprop.20+0x1e/0x26 [veth]
[<000000008238855a>] veth_newlink+0x147/0x3ac [veth]
...
The allocation in question is veth_alloc_queues.
Free the queues on a delete.
Fixes: 638264dc90227 ("veth: Support per queue XDP ring")
Signed-off-by: David Ahern <[email protected]>
---
drivers/net/veth.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index e3202af72df5..bef7d212f04e 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1205,6 +1205,7 @@ static void veth_dellink(struct net_device *dev, struct
list_head *head)
struct veth_priv *priv;
struct net_device *peer;
+ veth_free_queues(dev);
priv = netdev_priv(dev);
peer = rtnl_dereference(priv->peer);
--
2.11.0
