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authorDavid Howells <dhowells@redhat.com>2018-03-30 21:05:33 +0100
committerDavid Howells <dhowells@redhat.com>2018-03-30 21:05:33 +0100
commit31f5f9a1691ebef2113c8bdb3edcb8859f30f702 (patch)
tree20de5ce61ea1a3aad4e58426e24b038203c53af8 /net/rxrpc/peer_object.c
parent09d2bf595db4b4075ea721acd61e180d6bb18f88 (diff)
download96b-common-31f5f9a1691ebef2113c8bdb3edcb8859f30f702.tar.gz
rxrpc: Fix apparent leak of rxrpc_local objects
rxrpc_local objects cannot be disposed of until all the connections that point to them have been RCU'd as a connection object holds refcount on the local endpoint it is communicating through. Currently, this can cause an assertion failure to occur when a network namespace is destroyed as there's no check that the RCU destructors for the connections have been run before we start trying to destroy local endpoints. The kernel reports: rxrpc: AF_RXRPC: Leaked local 0000000036a41bc1 {5} ------------[ cut here ]------------ kernel BUG at ../net/rxrpc/local_object.c:439! Fix this by keeping a count of the live connections and waiting for it to go to zero at the end of rxrpc_destroy_all_connections(). Fixes: dee46364ce6f ("rxrpc: Add RCU destruction for connections and calls") Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/peer_object.c')
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