net: fix skb_panic to output real address

In skb_panic() the real pointer values are really needed to diagnose
issues, e.g. data and head are related (to calculate headroom). The
hashed versions of the addresses doesn't make much sense here. The
patch use the printk specifier %px to print the actual address.

The printk documentation on %px:
https://www.kernel.org/doc/html/latest/core-api/printk-formats.html#unmodified-addresses

Fixes: ad67b74d2469 ("printk: hash addresses printed with %p")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7e29590482ce509ea1d3b2306f4796f697b76d4f..1bf0c3d278e723b90fb97037d69188d62ecdb14d 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -102,7 +102,7 @@ EXPORT_SYMBOL(sysctl_max_skb_frags);
 static void skb_panic(struct sk_buff *skb, unsigned int sz, void *addr,
                      const char msg[])
 {
-       pr_emerg("%s: text:%p len:%d put:%d head:%p data:%p tail:%#lx end:%#lx dev:%s\n",
+       pr_emerg("%s: text:%px len:%d put:%d head:%px data:%px tail:%#lx end:%#lx dev:%s\n",
                 msg, addr, skb->len, sz, skb->head, skb->data,
                 (unsigned long)skb->tail, (unsigned long)skb->end,
                 skb->dev ? skb->dev->name : "<NULL>");