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Groups > linux.kernel > #1656727
| From | Al Viro <viro@ZenIV.linux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM |
| Date | 2017-06-03 08:40 +0200 |
| Message-ID | <tOaT7-3vS-5@gated-at.bofh.it> (permalink) |
| References | <tOagp-33Q-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, Jun 03, 2017 at 01:53:51AM -0400, Matt Brown wrote:
> +static int tpe_bprm_set_creds(struct linux_binprm *bprm)
> +{
> + struct file *file = bprm->file;
> + struct inode *inode = d_backing_inode(file->f_path.dentry->d_parent);
> + struct inode *file_inode = d_backing_inode(file->f_path.dentry);
Bloody wonderful. Do tell, what *does* prevent a race with rename(2) here,
somehow making sure that your 'inode' won't get freed right under you?
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[PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Matt Brown <matt@nmatt.com> - 2017-06-03 08:00 +0200
Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Al Viro <viro@ZenIV.linux.org.uk> - 2017-06-03 08:40 +0200
Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Matt Brown <matt@nmatt.com> - 2017-06-04 07:30 +0200
Re: [kernel-hardening] Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Eric Biggers <ebiggers3@gmail.com> - 2017-06-04 07:50 +0200
Re: [kernel-hardening] Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Matt Brown <matt@nmatt.com> - 2017-06-04 14:50 +0200
Re: [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Al Viro <viro@ZenIV.linux.org.uk> - 2017-06-04 09:00 +0200
Re: [kernel-hardening] [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Jann Horn <jannh@google.com> - 2017-06-03 12:40 +0200
Re: [kernel-hardening] [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Matt Brown <matt@nmatt.com> - 2017-06-04 00:40 +0200
Re: [kernel-hardening] [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Mickaël Salaün <mic@digikod.net> - 2017-06-04 18:50 +0200
Re: [kernel-hardening] [PATCH v1 1/1] Add Trusted Path Execution as a stackable LSM Mickaël Salaün <mic@digikod.net> - 2017-06-05 00:10 +0200
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