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ethtool: pse-pd: fix null-deref on genl_info in dump
ethnl_default_dump_one() passes NULL as info.
It's correct not to set extack during dump, as we should just
silently skip interfaces which can't provide the information.
Reported-by: syzbot+81c4b4bbba6eea2cfcae@syzkaller.appspotmail.com
Fixes: 18ff0bcda6
("ethtool: add interface to interact with Ethernet Power Equipment")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -64,7 +64,7 @@ static int pse_prepare_data(const struct ethnl_req_info *req_base,
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if (ret < 0)
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return ret;
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ret = pse_get_pse_attributes(dev, info->extack, data);
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ret = pse_get_pse_attributes(dev, info ? info->extack : NULL, data);
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ethnl_ops_complete(dev);
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