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virt-aa-helper: allow sysfs path used for vhost-scsi

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When a vhost scsi device is hotplugged virt-aa-helper is called to
add the respective path.
For example the config:
  <hostdev mode='subsystem' type='scsi_host' managed='no'>
    <source protocol='vhost' wwpn='naa.50014059de6fba4f'/>
  </hostdev>
Will call it to add:
 /sys/kernel/config/target/vhost//naa.50014059de6fba4f

But in general /sys paths are filtered in virt-aa-helper.c:valid_path
To allow the path used for vhost-scsi we need to add it to the list of
known and accepted overrides.

Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1829223

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Christian Ehrhardt 2019-05-15 13:35:32 +02:00
parent 91268c715c
commit 0541b65464
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GPG Key ID: BA3E29338280B242
1 changed files with 3 additions and 2 deletions
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5
src/security/virt-aa-helper.c
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@ -510,8 +510,9 @@ valid_path(const char *path, const bool readonly)
};
/* override the above with these */
const char * const override[] = {
"/sys/devices/pci", /* for hostdev pci devices */
"/etc/libvirt-sandbox/services/" /* for virt-sandbox service config */
"/sys/devices/pci", /* for hostdev pci devices */
"/sys/kernel/config/target/vhost", /* for hostdev vhost_scsi devices */
"/etc/libvirt-sandbox/services/" /* for virt-sandbox service config */
};
const int nropaths = ARRAY_CARDINALITY(restricted);