lua

commit 7e425be975c7c5bedff234a0daeb803131ddfc60
parent 0705e7b39f29ad140c2c0deb01ee5d4706f77636
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Mon,  9 Feb 2015 15:57:20 -0200

bug (in 5.2): Chunk with too many lines can seg. fault

Diffstat:
M
bugs
 | 
28
++++++++++++++++++++++++++--

1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/bugs b/bugs
@@ -1880,8 +1880,8 @@ patch = [[
 +++ lundump.c   2008/04/04 19:51:41     2.7.1.4
 @@ -1,5 +1,5 @@
  /*
--** $Id: bugs,v 1.132 2014/05/07 16:57:27 roberto Exp roberto $
-+** $Id: bugs,v 1.132 2014/05/07 16:57:27 roberto Exp roberto $
+-** $Id: bugs,v 1.133 2014/09/01 16:56:01 roberto Exp roberto $
++** $Id: bugs,v 1.133 2014/09/01 16:56:01 roberto Exp roberto $
  ** load precompiled Lua chunks
  ** See Copyright Notice in lua.h
  */
@@ -3248,6 +3248,30 @@ patch = [[
 ]]
 }
 
+Bug{
+what = [[Chunk with too many lines can seg. fault]],
+report = [[Roberto, 2014/11/14]],
+since = [[5.1 (at least)]],
+fix = nil,
+example = [[
+-- the cause of the bug is the use of an unitialized variable, so
+-- it cannot be reproduced reliably
+local s = string.rep("\n", 2^24)
+print(load(function () return s end))
+]],
+patch = [[
+--- llex.c	2013/08/30 15:49:41	2.63.1.2
++++ llex.c	2015/02/09 17:05:31
+@@ -153,5 +153,5 @@
+     next(ls);  /* skip `\n\r' or `\r\n' */
+   if (++ls->linenumber >= MAX_INT)
+-    luaX_syntaxerror(ls, "chunk has too many lines");
++    lexerror(ls, "chunk has too many lines", 0);
+ }
+ 
+]]
+}
+
 
 --[=[
 Bug{