# SEGV on Marshal.load

**URL:** <https://www.ruby-forum.com/t/segv-on-marshal-load/117197>\
**Category:** Development\
**Created:** [October 14, 2007, 5:08pm UTC](https://www.ruby-forum.com/t/segv-on-marshal-load/117197 "2007-10-14T17:08:14Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [October 14, 2007, 5:08pm UTC](https://www.ruby-forum.com/t/segv-on-marshal-load/117197/1 "2007-10-14T17:08:14Z")

</div>

e$B0J2\<$N$h$&$K$9$k$He(B SEGV e$B$K$J$j$^$9!#e(B

## % ./ruby -ve ’ class C def initialize(str) @str = str end def \_dump(limit) @str end def C.\_load(s) C.new(s) end end p Marshal.load("\004\bu:\006C\003\377\377\377a") ’ ruby 1.9.0 (2007-10-14 patchlevel 0) [i686-linux] -e:13: – control frame ---------- c:0004 p:---- s:0010 b:0010 l:000009 d:000009 CFUNC :load c:0003 p:0023 s:0006 b:0005 l:000004 d:000004 TOP -e:13 c:0002 p:---- s:0003 b:0003 l:000002 d:000002 FINISH :inherited c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------

## DBG\> : “-e:13:in `’” – backtrace of native function call (Use addr2line) – 0x80fa436 0x8118bb4 0x8118c53 0x80c38e5 0xb7fba420 0x80ca6a6 0x807149d 0x8071711 0x8072720 0x8072d48 0x8072d5b 0x805c243 0x8072fe4 0x80f0640 0x80f7f65 0x80f7ae2 0x80f4499 0x80f813e 0x80f8783 0x805abad 0x805ac5c 0x8057e24 0xb7e24ea8 0x8057d41

[BUG] Segmentation fault  
ruby 1.9.0 (2007-10-14) [i686-linux]

e$B$$$/$i$+95$($a$K$9$k$H%a%b%j$NCf?H$,GA$1$^$9!#e(B

% ./ruby -ve ’  
class C  
def initialize(str)  
@str = str  
end  
def \_dump(limit)  
@str  
end  
def C.\_load(s)  
C.new(s)  
end  
end  
p Marshal.load("\004\bu:\006C\002\377\377a")  
’  
ruby 1.9.0 (2007-10-14 patchlevel 0) [i686-linux]  
#\<C:0xb7c9e318  
@str="a\000\000\037\001\000\000\000\000\000\000\000\000\000\000\244\343\311\267…