URL:
<http://savannah.gnu.org/bugs/?46187>
Summary: grub_net_tcp_accept always sends SYN-ACK packets to
all-zero mac
Project: GNU GRUB
Submitted by: ignat
Submitted on: Mon 12 Oct 2015 15:40:39 GMT
Category: Network
Severity: Major
Priority: 5 - Normal
Item Group: Software Error
Status: None
Privacy: Public
Assigned to: None
Originator Name: Ignat Korchagin
Originator Email: [email protected]
Open/Closed: Open
Discussion Lock: Any
Release:
Release: Git master
Reproducibility: Every Time
Planned Release: None
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Details:
When using GRUB TCP in "server mode" there is no code to actually initialize
remote mac address for the socket structure. This ends up GRUB sending SYN-ACK
packets on all-zero mac in the socket structure and connection never gets
accepted, since remote party never receives the SYN-ACK.
Since GRUB TCP client resolves remote link address on open, similar code was
added to grub_net_tcp_accept.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Mon 12 Oct 2015 15:40:39 GMT Name: grub2.patch Size: 810B By: ignat
<http://savannah.gnu.org/bugs/download.php?file_id=35169>
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<http://savannah.gnu.org/bugs/?46187>
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