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[bug #46187] grub_net_tcp_accept always sends SYN-ACK packets to all-zer
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From: |
Ignat Korchagin |
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Subject: |
[bug #46187] grub_net_tcp_accept always sends SYN-ACK packets to all-zero mac |
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Date: |
Mon, 26 Oct 2015 15:28:19 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:41.0) Gecko/20100101 Firefox/41.0 |
Follow-up Comment #2, bug #46187 (project grub):
Sorry for late reply, missed your comment.
Yes, we have custom code: I was experimenting with a module implementing a TCP
server to listen for connections on boot and doing some early provisioning
(for example, setting up secure boot keys). I noticed that TCP 3-way handshake
always fail. After debugging, I noticed that L2 address never gets updated in
the socket structure. After applying below patch everything (almost) worked
like a charm.
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