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infiniband: call ipv6 route lookup via the stub interface
The infiniband address handle can be triggered to resolve an ipv6 address in response to MAD packets, regardless of the ipv6 module being disabled via the kernel command line argument. That will cause a call into the ipv6 routing code, which is not initialized, and a conseguent oops. This commit addresses the above issue replacing the direct lookup call with an indirect one via the ipv6 stub, which is properly initialized according to the ipv6 status (e.g. if ipv6 is disabled, the routing lookup fails gracefully) Cc: stable@vger.kernel.org # 3.12+ Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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1 changed files with 2 additions and 2 deletions
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@ -444,8 +444,8 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
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fl6.saddr = src_in->sin6_addr;
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fl6.saddr = src_in->sin6_addr;
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fl6.flowi6_oif = addr->bound_dev_if;
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fl6.flowi6_oif = addr->bound_dev_if;
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dst = ip6_route_output(addr->net, NULL, &fl6);
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ret = ipv6_stub->ipv6_dst_lookup(addr->net, NULL, &dst, &fl6);
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if ((ret = dst->error))
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if (ret < 0)
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goto put;
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goto put;
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rt = (struct rt6_info *)dst;
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rt = (struct rt6_info *)dst;
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