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Groups > linux.kernel > #1585481
| From | Vivek Goyal <vgoyal@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC v2 1/1] shiftfs: uid/gid shifting bind mount |
| Date | 2017-02-21 17:10 +0100 |
| Message-ID | <tdlaO-4Vr-23@gated-at.bofh.it> (permalink) |
| References | <td6Ot-3u9-3@gated-at.bofh.it> <td6Ot-3u9-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Feb 20, 2017 at 04:47:05PM -0800, James Bottomley wrote:
[..]
> +static struct dentry *shiftfs_lookup(struct inode *dir, struct dentry *dentry,
> + unsigned int flags)
> +{
> + struct dentry *real = dir->i_private, *new;
> + struct inode *reali = real->d_inode, *newi;
newi needs to be initialized to NULL. Otherwise if a file does not
exist, we try to call d_splice_alias() with uninitialized value of newi.
This crashes for the new file creation case.
Vivek
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[RFC v2 0/1] shiftfs: uid/gid shifting filesystem (s_user_ns version) James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-21 01:50 +0100
[RFC v2 1/1] shiftfs: uid/gid shifting bind mount James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-21 01:50 +0100
Re: [RFC v2 1/1] shiftfs: uid/gid shifting bind mount Vivek Goyal <vgoyal@redhat.com> - 2017-02-21 17:10 +0100
Re: [RFC v2 1/1] shiftfs: uid/gid shifting bind mount James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-21 23:30 +0100
Re: [RFC v2 1/1] shiftfs: uid/gid shifting bind mount Vivek Goyal <vgoyal@redhat.com> - 2017-02-22 17:50 +0100
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