Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

From: Christoph Lameter
Date: Mon Jul 21 2008 - 12:23:20 EST

Evgeniy Polyakov wrote:
Not that obvious...
skb->next is cleared in lots of places, in xmit network helper
for example, but since rest of the packet was not modified, it
means given skb was not freed, so it will not help.

The skb was definitely freed. 6b is written over an object when it is freed. Something else retained a pointer to the skb and was confident that the skb still exists.

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