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segfault around svn_commit_callback2_t

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Fri, 23 Jul 2010 16:26:02 +0300

When running my standard "create a Greek tree repos+wc to experiment in" wc, I get a segfault:

#1 0xb7629b6a in deltify_etc (commit_info=0xb5abdbc8, baton=0x80ddba0, pool=0x80b29f8) at subversion/libsvn_ra_local/ra_plugin.c:351
351 err1 = (*db->callback)(commit_info, db->callback_baton, pool);

The full script is attached, and here is the tail of the run:

+ echo ### Importing it...
### Importing it...
+ cd import-me
+ /home/daniel/prefix/apache2/build/libtool --mode=execute gdb --args /home/daniel/src/svn/trunk.d/subversion/svn/svn import -q -m Initial import. file:////tmp/daniel/sandbox/r1
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu"...
(gdb) run
Starting program: /home/daniel/src/svn/trunk.d/subversion/svn/.libs/lt-svn import -q -m Initial\ import. file:////tmp/daniel/sandbox/r1
[Thread debugging using libthread_db enabled]
[New Thread 0xb6d9ea30 (LWP 21759)]
[New Thread 0xb6b5db90 (LWP 21762)]
[New Thread 0xb635cb90 (LWP 21763)]
[Thread 0xb6b5db90 (LWP 21762) exited]
[Thread 0xb635cb90 (LWP 21763) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb6d9ea30 (LWP 21759)]
0x00000000 in ?? ()
(gdb) bt
#0 0x00000000 in ?? ()
#1 0xb7629b6a in deltify_etc (commit_info=0xb5abdbc8, baton=0x80ddba0, pool=0x80b29f8) at subversion/libsvn_ra_local/ra_plugin.c:351
#2 0xb758f46a in close_edit (edit_baton=0x80de6f0, pool=0x80b29f8) at subversion/libsvn_repos/commit.c:745
#3 0xb76ae504 in import (path=0x8069da9 "", new_entries=0x80be3d8, editor=0x80ddd98, edit_baton=0x80de6f0, depth=svn_depth_infinity,
    excludes=0x80be370, no_ignore=0, ignore_unknown_node_types=0, ctx=0x8089198, pool=0x80b29f8) at subversion/libsvn_client/commit.c:589
#4 0xb76aed99 in svn_client_import4 (path=0x8069da9 "", url=0x80be328 "file:///tmp/daniel/sandbox/r1", depth=svn_depth_infinity,
    no_ignore=0, ignore_unknown_node_types=0, revprop_table=0x0, ctx=0x8089198, pool=0x8088978) at subversion/libsvn_client/commit.c:811
#5 0x08053be6 in svn_cl__import (os=0x8088b20, baton=0xbfffdf48, pool=0x8088978) at subversion/svn/import-cmd.c:114
#6 0x0805b2d0 in main (argc=6, argv=0xbfffe194) at subversion/svn/main.c:2331
(gdb) up
#1 0xb7629b6a in deltify_etc (commit_info=0xb5abdbc8, baton=0x80ddba0, pool=0x80b29f8) at subversion/libsvn_ra_local/ra_plugin.c:351
351 err1 = (*db->callback)(commit_info, db->callback_baton, pool);
(gdb) p *db->callback
Cannot access memory at address 0x0
(gdb) p db
$1 = (struct deltify_etc_baton *) 0x80ddba0
(gdb) p db->callback
$2 = (svn_commit_callback2_t) 0
(gdb)

Daniel
(not sure if I'll have time to dig into this one)
Received on 2010-07-23 15:27:41 CEST

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