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From Greg Stein <gst...@gmail.com>
Subject Re: Segfault in the Ruby bindings
Date Fri, 04 Jun 2010 20:05:52 GMT
This might be related to r948540. Bert adjusted how status->entry is
filled in. Maybe some kind of lifetime issue?

On Fri, Jun 4, 2010 at 15:28, Hyrum K. Wright
<hyrum_wright@mail.utexas.edu> wrote:
> Some of you may have noticed that there is a failing ruby bindings test.
> I've done a little bit of digging, but haven't had a chance to get too far.
> The following stack trace shows where the problem is:
>
> test_merge(SvnClientTest):
> Program received signal SIGSEGV, Segmentation fault.
> __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:31
> 31    ../sysdeps/x86_64/multiarch/../strlen.S: No such file or directory.
>    in ../sysdeps/x86_64/multiarch/../strlen.S
> (gdb) bt
> #0  __strlen_sse2 () at ../sysdeps/x86_64/multiarch/../strlen.S:31
> #1  0x00007ffff5beeae2 in apr_pstrdup () from /usr/lib/libapr-1.so.0
> #2  0x00007ffff56f8249 in svn_wc_entry_dup (entry=0x115e590, pool=0x11af3d8)
>    at subversion/libsvn_wc/entries.c:3069
> #3  0x00007ffff56e8247 in svn_wc_dup_status2 (orig_stat=0x11f4770,
> pool=0x11af3d8)
>    at subversion/libsvn_wc/deprecated.c:2493
> #4  0x00007ffff629b997 in c2r_wc_status2_dup (wc_status2=0x11f4770, ctx=0x0)
>    at subversion/bindings/swig/ruby/libsvn_swig_ruby/swigutil_rb.c:1196
> #5  0x00007ffff629b9f0 in c2r_wc_status2__dup (wc_status2=0x11f4770)
>    at subversion/bindings/swig/ruby/libsvn_swig_ruby/swigutil_rb.c:1196
> #6  0x00007ffff62a03f6 in svn_swig_rb_wc_status_func (baton=0x7ffff23a03c8,
>    path=0x1186b88 "/tmp/wc-tmp/wc/trunk/sample.txt", status=0x11f4770)
>    at subversion/bindings/swig/ruby/libsvn_swig_ruby/swigutil_rb.c:3307
> #7  0x00007ffff59995cf in status3_wrapper_func (baton=0x7ffffffd5f10,
>    path=0x1186b88 "/tmp/wc-tmp/wc/trunk/sample.txt", status=0x11f4770,
>    pool=0x11f45e8) at subversion/libsvn_client/deprecated.c:1490
> #8  0x00007ffff59994da in status4_wrapper_func (baton=0x7ffffffd5e60,
>    path=0x1186b88 "/tmp/wc-tmp/wc/trunk/sample.txt", status=0x1186ab8,
>    scratch_pool=0x11f45e8) at subversion/libsvn_client/deprecated.c:1450
> #9  0x00007ffff59d2006 in tweak_status (baton=0x7ffffffd5c10,
>    local_abspath=0x1186b88 "/tmp/wc-tmp/wc/trunk/sample.txt",
> status=0x1186ab8,
>    scratch_pool=0x11f45e8) at subversion/libsvn_client/status.c:100
> #10 0x00007ffff57165da in handle_statii (eb=0x11b79c0,
>    dir_repos_root_url=0x11b7288
> "file:///home/hwright/dev/svn-trunk/subversion/bindings/swig/ruby/repos",
> dir_repos_relpath=0x11b7280 "trunk", statii=0x1186950,
>    dir_was_deleted=0, depth=svn_depth_infinity, pool=0x11b7418)
>    at subversion/libsvn_wc/status.c:1844
> ...
>
> I don't have too much time to dig farther right now, but I'm posting this in
> hopes that it will be useful for somebody else.
>
> Cheers,
> -Hyrum
>

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