[9.0] Guard against empty Accept address #111366
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Tagging subscribers to this area: @dotnet/ncl |
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Approved by .NET Shiproom (@SteveMCarroll) over email on 1/8. Marking Servicing-approved. |
karelz
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karelz
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Jan 13, 2025
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/ba-g build failure is dotnet/dnceng#3008 |
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Backports #108616
Fixes #108026 and #102663
/cc @wfurt
Customer Impact
There is problem in 8.0+ when
Socket.Acceptcan fail and throw exception on background thread on macOS, which leads to application termination. This was already reported by 2 customers who upgraded to 8.0 from previous LTS 6.0 - see #108026 and #102663.Regression
Prior 8.0 we used internal duplicate of class
SocketAddressthat was apparently more forgiving in certain corner cases. We switch in 8.0 to usage of public API that is more strict.Testing
The fix was merged to main and verified by customer. Also 8.0 binaries were tested in their lab. See #108334 (comment) for details.
Risk
Low. The fix basically checks for error condition to avoid throwing. It seems like the condition is coming from Darwin kernel where sometime
acceptoperation fails to provide remote address.