rxrpc: Allow list of in-use local UDP endpoints to be viewed in /proc

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[ Upstream commit 33912c2639 ]

Allow the list of in-use local UDP endpoints in the current network
namespace to be viewed in /proc.

To aid with this, the endpoint list is converted to an hlist and RCU-safe
manipulation is used so that the list can be read with only the RCU
read lock held.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 3bcd6c7eaa ("rxrpc: Fix race between conn bundle lookup and bundle removal [ZDI-CAN-15975]")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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This commit is contained in:

David Howells 2022-05-21 08:45:15 +01:00 • committed by Greg Kroah-Hartman

parent 46cefa2689

commit 3c33e41fa5

4 changed files with 94 additions and 22 deletions

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5

net/rxrpc/ar-internal.h

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37

net/rxrpc/local_object.c

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5

net/rxrpc/net_ns.c

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69

net/rxrpc/proc.c

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