From a71fdd04009aad50476d13929131713e93fcb2e2 Mon Sep 17 00:00:00 2001 From: Hugo Herbelin Date: Thu, 14 Jun 2018 01:09:43 +0200 Subject: Critical bugs: added #3243 and Gonthier's bug in lazy machine. Both reminded by Enrico. --- dev/doc/critical-bugs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'dev') diff --git a/dev/doc/critical-bugs b/dev/doc/critical-bugs index 293b01f63..6166d24b7 100644 --- a/dev/doc/critical-bugs +++ b/dev/doc/critical-bugs @@ -81,6 +81,20 @@ Module system GH issue number: #4294 risk: ? +Module system + + component: modules, universes + summary: universe constraints for module subtyping not stored in vo files + introduced: presumably 8.2 (b3d3b56) + impacted released versions: 8.2, 8.3, 8.4 + impacted development branches: v8.5 + impacted coqchk versions: none + fixed in: v8.2 (c1d9889), v8.3 (8056d02), v8.4 (a07deb4), trunk (0cd0a3e) Mar 5, 2014, Tassi + found by: Tassi by running coqchk on the mathematical components library + exploit: requires multiple files, no test provided + GH issue number: #3243 + risk: could be exploited by mistake + Universes component: template polymorphism @@ -123,6 +137,18 @@ Primitive projections Conversion machines + component: "lazy machine" (lazy krivine abstract machine) + summary: the invariant justifying some optimization was wrong for some combination of sharing side effects + introduced: prior to V7.0 + impacted released versions: V8.0-V8.0pl4, V8.1-V8.1pl3 + impacted development branches: none + impacted coqchk versions: (eefe63d52, Barras, 20 May 2008), was in beta-development for 8.2 at this time + fixed in: master/trunk/8.2 (f13aaec57/a8b034513, 15 May 2008, Barras), v8.1 (e7611477a, 15 May 2008, Barras), v8.0 (6ed40a8bc, 29 Nov 2016, Herbelin, backport) + found by: Gonthier + exploit: by Gonthier + GH issue number: none + risk: unrealistic to be exploited by chance + component: "virtual machine" (compilation to bytecode ran by a C-interpreter) summary: collision between constructors when more than 256 constructors in a type introduced: V8.1 -- cgit v1.2.3