commit 4053eae9ebbf14963a388ba864454f9e4ec16663
parent 6d998055c80a0fe8d4698ba02becb1813203eee9
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 27 Jul 2017 10:55:11 -0300
bug: Lua does not check GC when creating error messages
Diffstat:
| M | bugs | | | 63 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++--------- |
1 file changed, 54 insertions(+), 9 deletions(-)
diff --git a/bugs b/bugs
@@ -2899,6 +2899,30 @@ patch = [[
]]
}
+Bug{
+what = [[Lua does not check memory use when creating error messages]],
+report = [[John Dunn, 2012/09/24]],
+since = [[5.2.0]],
+fix = nil,
+example = [[
+local code = "function test()\n bob.joe.larry = 23\n end"
+
+load(code)()
+
+-- memory will grow steadly
+for i = 1, math.huge do
+ pcall(test)
+ if i % 100000 == 0 then
+ io.write(collectgarbage'count'*1024, "\n")
+ end
+end
+]],
+patch = [[
+]]
+}
+
+
+
-----------------------------------------------------------------
@@ -3656,9 +3680,9 @@ It needs an "interceptor" 'memcmp' function that continues
reading memory after a difference is found.]],
patch = [[
2c2
-< ** $Id: bugs,v 1.153 2017/05/19 12:58:40 roberto Exp roberto $
+< ** $Id: bugs,v 1.154 2017/05/22 12:55:16 roberto Exp roberto $
---
-> ** $Id: bugs,v 1.153 2017/05/19 12:58:40 roberto Exp roberto $
+> ** $Id: bugs,v 1.154 2017/05/22 12:55:16 roberto Exp roberto $
263c263,264
< for (option = LUA_STRFTIMEOPTIONS; *option != '\0'; option += oplen) {
---
@@ -3780,18 +3804,39 @@ patch = [[
]]
}
-
---[=[
Bug{
-what = [[ ]],
-report = [[ ]],
-since = [[ ]],
+what = [[Lua does not check GC when creating error messages]],
+report = [[Viacheslav Usov, 2017/07/06]],
+since = [[5.3.2]],
fix = nil,
-example = [[ ]],
+example = [[
+function test()
+ bob.joe.larry = 23
+end
+
+-- memory will grow steadly
+for i = 1, math.huge do
+ pcall(test)
+ if i % 100000 == 0 then
+ io.write(collectgarbage'count'*1024, "\n")
+ end
+end
+]],
patch = [[
+--- ldebug.c 2017/04/19 17:20:42 2.121.1.1
++++ ldebug.c 2017/07/10 17:08:39
+@@ -653,6 +653,7 @@
+ CallInfo *ci = L->ci;
+ const char *msg;
+ va_list argp;
++ luaC_checkGC(L); /* error message uses memory */
+ va_start(argp, fmt);
+ msg = luaO_pushvfstring(L, fmt, argp); /* format message */
+ va_end(argp);
]]
}
-]=]
+
+
--[=[
