[PACKET]: Fix /proc/net/packet crash due to bogus private pointer (1bf40954) · Commits · 戴 / test

The seq_open_net patch changed the meaning of seq->private. Unfortunately it missed two spots in AF_PACKET, which still used the old way of dereferencing seq->private, thus causing weird and wonderful crashes when reading /proc/net/packet. Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:

David S. Miller <davem@davemloft.net>

net/packet/af_packet.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1878,7 +1878,7 @@ static void packet_seq_start(struct seq_file seq, loff_t *pos)

		static void packet_seq_next(struct seq_file seq, void v, loff_t pos)
		{
		struct net *net = seq->private;
		struct net *net = seq_file_net(seq);
		++*pos;
		return (v == SEQ_START_TOKEN)
		? sk_head(&net->packet.sklist)
		@@ -1887,7 +1887,7 @@ static void packet_seq_next(struct seq_file seq, void v, loff_t pos)

		static void packet_seq_stop(struct seq_file seq, void v)
		{
		struct net *net = seq->private;
		struct net *net = seq_file_net(seq);
		read_unlock(&net->packet.sklist_lock);
		}

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