On Tue, Feb 10, 2004 at 01:40:48PM +0900, Shinichi Maruyama wrote:
> I tried rsync 2.6.1cvs on my FreeBSD 4.X boxes.
> It dumps core when preserve_hard_links and backup.
> And SUPPORT_HARD_LINKS is true.
>
> rsync -avH --delete --backup --backup-dir=/some/backup/dir \
> srchost::dir/ dir/
>
> The core says...
>
> ------------------------------------------------------------------------
> Program terminated with signal 11, Segmentation fault.
>
> #0 0x80536c0 in keep_backup (fname=0x808f060 "rsync.core") at backup.c:266
> 266 if (!kept && preserve_hard_links && file->link_u.links
>
> (gdb) where
> #0 0x80536c0 in keep_backup (fname=0x808f060 "rsync.core") at backup.c:266
> #1 0x80537c9 in make_backup (fname=0x808f060 "rsync.core") at backup.c:297
> #2 0x804c003 in delete_files (flist=0x8096100) at receiver.c:112
> #3 0x805028c in do_recv (f_in=3, f_out=3, flist=0x8096100, local_name=0x0)
> at main.c:434
> #4 0x805093c in client_run (f_in=3, f_out=3, pid=-1, argc=1, argv=0x8095004)
> at main.c:666
>
> (gdb) p *file
> $1 = {modtime = 1076386251, length = 577536, mode = 33152, u = {rdev = 0, sum = 0x0,
> link = 0x0}, link_u = {idev = 0x80d1734, links = 0x80d1734},
> basename = 0x80d1744 "rsync.core", dirname = 0x0, basedir = 0x0, uid = 0, gid = 0,
> flags = 0 '\000'}
> ------------------------------------------------------------------------
>
> In file backup.c.
>
> 266 if (!kept && preserve_hard_links && file->link_u.links
> 267 && hlink_list[file->F_HLINDEX] != file) {
> 268 if (verbose > 1)
> 269 rprintf(FINFO, "%s is a hard link\n", f_name(file));
> 270 }
>
> file->link_u.links (and also file->F_HLINDEX) has some values,
> but no meanings because it's only an union with file->link_u.idev.
> It may be
>
> if (!kept && preserve_hard_links && file->u.link) {
>
> or some ?
CVS has a simplified test now that should avoid the segfault.
It is just for a verbose message.
--
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J.W. Schultz Pegasystems Technologies
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