[PATCH] net: fix print in skb_panic()

From: gaoxingwang
Date: Thu Mar 07 2024 - 01:12:38 EST


skb->len and sz are printed as negative numbers during the panic:
skbuff: skb_under_panic: text:ffffffff8e2d3eac len:-1961180312 put:-1961180408 head:ffff88800b6ac000 data:ffff887f804ffe78 tail:0x1e0 end:0xec0 dev:team0

Use %u to print skb->len and sz,because they are defined as unsigned int.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: gaoxingwang <gaoxingwang1@xxxxxxxxxx>
---
net/core/skbuff.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 83af8aaeb893..55173b4b3ec7 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -186,7 +186,7 @@ EXPORT_SYMBOL_GPL(drop_reasons_unregister_subsys);
static void skb_panic(struct sk_buff *skb, unsigned int sz, void *addr,
const char msg[])
{
- pr_emerg("%s: text:%px len:%d put:%d head:%px data:%px tail:%#lx end:%#lx dev:%s\n",
+ pr_emerg("%s: text:%px len:%u put:%u 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>");
--
2.27.0