| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.8 042/124] team: set dev->needed_headroom in team_setup_by_port() | Date | Mon, 12 Oct 2020 15:30:46 +0200 |
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From: Eric Dumazet <edumazet@google.com>
commit 89d01748b2354e210b5d4ea47bc25a42a1b42c82 upstream.
Some devices set needed_headroom. If we ignore it, we might end up crashing in various skb_push() for example in ipgre_header() since some layers assume enough headroom has been reserved.
Fixes: 1d76efe1577b ("team: add support for non-ethernet devices") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/net/team/team.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2112,6 +2112,7 @@ static void team_setup_by_port(struct ne dev->header_ops = port_dev->header_ops; dev->type = port_dev->type; dev->hard_header_len = port_dev->hard_header_len; + dev->needed_headroom = port_dev->needed_headroom; dev->addr_len = port_dev->addr_len; dev->mtu = port_dev->mtu; memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len);
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