Bug #4290

!_=%w~ dumps core

Added by Yusuke Endoh almost 5 years ago. Updated over 4 years ago.

Assignee:Yusuke Endoh
ruby -v:ruby 1.9.3dev (2011-01-18 trunk 30590) [i686-linux] Backport:



以下で SEGV します。

$ ./miniruby -e '!_=%w~'
-e:1: unterminated string meets end of file
./miniruby: [BUG] Segmentation fault
ruby 1.9.3dev (2011-01-18 trunk 30590) [i686-linux]

条件式の代入文の値に壊れた %w を置くと起きるようです。

diff --git a/parse.y b/parse.y
index bbe842e..b4ee019 100644
--- a/parse.y
+++ b/parse.y
@@ -8684,6 +8684,7 @@ assign_in_cond(struct parser_params *parser, NODE *node)
return 0;

  • if (!node->nd_value) return 1; switch (nd_type(node->nd_value)) { case NODE_LIT: case NODE_STR:

Yusuke Endoh mame@tsg.ne.jp


#1 Updated by Yusuke Endoh almost 5 years ago

  • Status changed from Open to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r30597.
Yusuke, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

  • parse.y: avoid NULL reference. =end

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