Commit report for v3.0.x branch

[The git bot]

New activity for FreeRADIUS (the high performance and highly configurable RADIUS server)

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Merge pull request #2557 from alejandro-perez/patch-1

Fix TrustRouter query potential deadlock

Alan DeKok (via GitHub)@2019-03-06T22:17:51Z
Files modified:
	* src/modules/rlm_realm/trustrouter.c

Commit diff:
https://github.com/FreeRADIUS/freeradius-server/commit/c28b0c154d9fd79b95d75201c30239d99eab0afa
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Fix TrustRouter query potential deadlock

Existing code uses a single lock to protect concurrent access to the
global_tidc variable. Under certain circumstances, two FreeRadius servers
wanting to resolve each other's realms at the same time might provoke
a deadlock situation, if this query triggered in turn another realm
resolution attempt for the APC's realm on both sides.

While this is a corner case, it has been observed in stress testing
environments.

This patch gets rid of the global_tidc in favour of a local approach,
and provides a pool of mutexes that are used to serialise different queries for
a particular realm, while allowing concurrent queries for different realms.

Alejandro Perez Mendez (via Alejandro Perez)@2019-03-06T18:14:54Z
Files modified:
	* src/modules/rlm_realm/trustrouter.c

Commit diff:
https://github.com/FreeRADIUS/freeradius-server/commit/8ff5e2cb70a14f2af51c6ebeba29904e47ee657d
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This commit summary was generated @2019-03-07T00:00:02Z by lgfeed version 0.00 (https://github.com/arr2036/lgfeed).