* A query regarding an entry in Andrew Morton's "must fix" list
@ 2005-09-08 15:00 Adhiraj Joshi
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From: Adhiraj Joshi @ 2005-09-08 15:00 UTC (permalink / raw)
To: linux-kernel
Hi,
There was a bug some time back in a Must-Fix list regarding UDP
applications going in dead lock.
(http://kernel.org/pub/linux/kernel/people/akpm/must-fix/must-fix-2.txt )
Here is an extract:
--------------------------------------------------------------------------------------------------------------
- UDP apps can in theory deadlock, because the ip_append_data path can end
up sleeping while the socket lock is held.
It is OK to sleep with the socket held held, normally. But in this case
the sleep happens while waiting for socket memory/space to become
available, if another context needs to take the socket lock to free up the
space we could hang.
----------------------------------------------------------------------------------------------------------------
Is the fix present in the kernel now? I faced a problem similar to this one.
Thanks in advance,
Adhiraj.
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