Ruby Issue Tracking System

11/27/2013

06:03 AM Ruby Bug #9157: rb_readlink() calls rb_str_modify_expand() too early

nobu (Nobuyoshi Nakada) wrote:
> This issue was solved with changeset r43853.
Ah, I didn't realize that rb_str_modify_expand() takes a difference as its argument, not the total buffer length. This works because the function doubles t... nowacki (Maciek Nowacki)

11/26/2013

03:23 PM Ruby Bug #9158 (Closed): bug in rb_readlink() in file.c (fixed)

Hello,

Here is a cute bug that has existed for a little while in file.c . Ruby will tend to crash when File.readlink() is called on a symlink with a long target. Fix:

--- - 2013-11-25 22:10:59.694183795 -0700
+++ file.c 2013... nowacki (Maciek Nowacki)

03:12 PM Ruby Bug #9157 (Closed): rb_readlink() calls rb_str_modify_expand() too early

If rb_readlink() (file.c) is called on a long symlink, Ruby tends to crash. This is present in -trunk. The problem is that the rb_str_modify_expand() statement is incorrectly placed before the statement 'size*=2'. Here is a patch:
---... nowacki (Maciek Nowacki)