| commit | f0052dd6b9a0beaa563b914bd61e392bd993c731 | [log] [tgz] |
|---|---|---|
| author | Nick Maniscalco <maniscalco@fuchsia.infra.roller.google.com> | Thu Mar 17 19:29:41 2022 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Mar 17 12:30:48 2022 -0700 |
| tree | 18d4f5066979b368a72571e29b63c1b92ada6d09 | |
| parent | bb8a80a8364c73489716d4a482c9df13ad52f2fa [diff] |
[roll] Roll fuchsia [kernel][port] Limit the number of port observers This change limits the number of observers associated with a port. When the limit is exceeded, a policy exception is raised for the triggering process, which will result in its termination. The default value is UINT64_MAX (effectively unlimited). The purpose of this change is to prevent a misbehaving program from compromising system performance and stability. Add new job policy code ZX_EXCP_POLICY_CODE_TOO_MANY_OBSERVERS. Add new mini-process command MINIP_CMD_WAIT_ASYNC to facilitate testing. Add core-test PortTest.TooManyObservers to test the limit. Note, this test is disabled since the default is "no limit". A future CL will set a default limit and re-enable the test. Original-Bug: 91615 Test: fx core-tests --gtest_filter=PortTest.TooManyObservers Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/654904 Original-Revision: 7dc038443df3fe6c10ef0ecc392a356bf404f19b GitOrigin-RevId: 1b89315d4ff0e236fc05c77987682d7aef3ab8ec Change-Id: I450fde99a3446b01258e916ccf2de4c8c197b8bd
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