lwIP - A Lightweight TCP/IP stack - Bugs: bug #62032, Cannot have bind to INADDR_ANY on...

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bug #62032: Cannot have bind to INADDR_ANY on two different sockets bound to a specific netif

Submitter:	Patrik Lantto <patriklantto>
Submitted:	Fri 11 Feb 2022 03:25:48 PM UTC


Category:	None	Severity:	3 - Normal
Item Group:	Faulty Behaviour	Status:	None
Privacy:	Public	Assigned to:	None
Open/Closed:	Open	Planned Release:	None
lwIP version:	2.1.3

Fri 11 Feb 2022 03:25:48 PM UTC, original submission:

If two sockets are bound to different netifs (e.g. using SO_BINDTODEVICE), bind will return an error (EADDRINUSE) if INADDR_ANY and the same port is used. This should only be the case if any of the sockets are not bound to a specific netif (or if they are bound to the same netif).

The attached patch will consider netif_idx in the loop validating the address in tcp_bind, tcp_listen, tcp_connect and udp_bind.

Patrik Lantto <patriklantto>

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files

file #52844: SO_BINDTODEVICE.patch added by patriklantto (3KiB - application/octet-stream)

Depends on the following items: None found

Items that depend on this one: None found

Carbon-Copy List

-email is unavailable- added by patriklantto (Submitted the item)

There are 0 votes so far. Votes easily highlight which items people would like to see resolved in priority, independently of the priority of the item set by tracker managers.

Follows 1 latest change.

Date	Changed by	Updated Field	Previous Value	=>	Replaced by
2022-02-11	patriklantto	Attached File	-		Added SO_BINDTODEVICE.patch, #52844

lwIP - A Lightweight TCP/IP stack - Bugs: bug #62032, Cannot have bind to INADDR_ANY on...

bug #62032: Cannot have bind to INADDR_ANY on two different sockets bound to a specific netif

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