ipv6: do not leave garbage in rt->fib6_metrics
In case ip_fib_metrics_init() returns an error, we better rewrite rt->fib6_metrics with &dst_default_metrics so that we do not crash later in ip_fib_metrics_put() Fixes: 767a2217 ("net: common metrics init helper for FIB entries") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: Nsyzbot <syzkaller@googlegroups.com> Reviewed-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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