SBCL Crashes when a foreign thread callback triggers GC

Bug #1884403 reported by Andrew Kent on 2020-06-21
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

SBCL Crashes when a GC is triggered from a foreign thread callback. This doesn't crash if a GC is explicitly called (i.e. `sb-ext:gc` from user code does not crash).

A small demo here:

Critical Code:

FWIW I'm running 64 bit linux. I believe this also affects OSX and Windows, though I haven't tested those platforms extensively.

Stas Boukarev (stassats) wrote :

In ada26495684129987b531c65a94dd2d27ac3d9d4

Changed in sbcl:
status: New → Fix Committed
Andrew Kent (realark) wrote :

Wow, that was fast! Thank you!

Changed in sbcl:
status: Fix Committed → Fix Released
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