Messages in this thread | | | Date | Mon, 7 Jul 2003 21:39:32 +0200 | From | Petr Vandrovec <> | Subject | Re: opening symlinks with O_CREAT under latest 2.5.74 |
| |
On Mon, Jul 07, 2003 at 09:30:34PM +0200, Trond Myklebust wrote: > >>>>> " " == Petr Vandrovec <vandrove@vc.cvut.cz> writes: > > > Hi, > > couple of things stopped working on my box > > where I have /dev/vc/XX as symlinks to /dev/ttyXX, and some > > things use /dev/vc/XX and some /dev/ttyXX. After last update > > hour ago things which use /dev/vc/XX stopped working for > > non-root - they now fail with EACCES error if they attempt to > > redirect its input or output through '>' or '<>' bash > > redirection operators: > > Whoops. Looks like I missed an assumption in open_namei(). > Does the following patch fix the problem?
Yes, it fixes problem. Thanks, Petr Vandrovec
> Cheers, > Trond > > --- linux-2.5.74-up/fs/namei.c.orig 2003-06-30 08:49:25.000000000 +0200 > +++ linux-2.5.74-up/fs/namei.c 2003-07-07 21:25:00.000000000 +0200 > @@ -1344,6 +1344,7 @@ > * stored in nd->last.name and we will have to putname() it when we > * are done. Procfs-like symlinks just set LAST_BIND. > */ > + nd->flags |= LOOKUP_PARENT; > error = security_inode_follow_link(dentry, nd); > if (error) > goto exit_dput; > @@ -1352,6 +1353,7 @@ > dput(dentry); > if (error) > return error; > + nd->flags &= ~LOOKUP_PARENT; > if (nd->last_type == LAST_BIND) { > dentry = nd->dentry; > goto ok; > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |