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Re: Filesystem corruption bug in libdiskfs
From: |
M.P.Anand Babu |
Subject: |
Re: Filesystem corruption bug in libdiskfs |
Date: |
08 Dec 2002 22:20:33 -0800 |
User-agent: |
Gnus/5.0808 (Gnus v5.8.8) Emacs/21.2 |
,----
| Abstract <rgs26@hermes.cam.ac.uk> writes:
| In diskfs_rename_dir, filesystem corruption can result if a directory is
| moved that by a user who cannot write to the parent directory. For
| example:
| $ sudo chown -R tla.tla /src/hurd
| $ mv /src/hurd /home/tla
| ext2fs.static: ..../libdiskfs/dir-renamed.c:202: diskfs_rename_dir:
| Assertion `tmpnp == fnp' failed.
|
| The cause of this is that the filesystem is modified (the source
| directory's .. node is changed, and a reference is added to the target dir
| to point to the source dir) before any check is made for writability to
| the parent node.
`----
This bug is fixed in the CVS version already.
--
_.|_
(_||_)
Free as in Freedom <www.gnu.org>
- Filesystem corruption bug in libdiskfs, Abstract, 2002/12/08
- Re: Filesystem corruption bug in libdiskfs,
M.P.Anand Babu <=
- Re: Filesystem corruption bug in libdiskfs, Alfred M. Szmidt, 2002/12/09
- PATCH -> Re: Filesystem corruption bug in libdiskfs, M.P.Anand Babu, 2002/12/09
- Re: PATCH -> Re: Filesystem corruption bug in libdiskfs, Alfred M. Szmidt, 2002/12/09
- Re: PATCH -> Re: Filesystem corruption bug in libdiskfs, M.P.Anand Babu, 2002/12/09
- Re: PATCH -> Re: Filesystem corruption bug in libdiskfs, Alfred M. Szmidt, 2002/12/09
- Re: PATCH -> Re: Filesystem corruption bug in libdiskfs, M.P.Anand Babu, 2002/12/09