[PATCH] D23589: Fix hang caused by memory corruption caused by insufficient alternate stack space for signal handlers.

[bryant via llvm-commits]

bryant updated this revision to Diff 68463.
bryant added a comment.

8 MiB => 1 MiB


Repository:
  rL LLVM

https://reviews.llvm.org/D23589

Files:
  lib/Support/Unix/Signals.inc

Index: lib/Support/Unix/Signals.inc
===================================================================
--- lib/Support/Unix/Signals.inc
+++ lib/Support/Unix/Signals.inc
@@ -127,7 +127,7 @@
 static stack_t OldAltStack;
 
 static void CreateSigAltStack() {
-  const size_t AltStackSize = MINSIGSTKSZ + 8192;
+  const size_t AltStackSize = MINSIGSTKSZ + 1024 * 1024;
 
   // If we're executing on the alternate stack, or we already have an alternate
   // signal stack that we're happy with, there's nothing for us to do. Don't


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