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lxc: don't try to resolve a NULL path for filesystems

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<filesystem type='ram' accessmode='passthrough'>
    <source usage='524288' units='KiB'/>
    <target dir='/dev/shm'/>
  </filesystem>

would lead to lxcContainerResolveSymlinks calling
access(NULL) because it failed to check if fs->src->path
was non-NULL. This is a regression caused by

  commit da665fbd48
  Author: Olga Krishtal <okrishtal@virtuozzo.com>
  Date:   Thu Jul 14 16:52:38 2016 +0300

    filesystem: adds possibility to use storage pool as fs source

    Signed-off-by: Olga Krishtal <okrishtal@virtuozzo.com>

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-08-11 14:02:48 +01:00
parent 2140e3da9a
commit 81aa4385d7
1 changed files with 1 additions and 1 deletions
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2
src/lxc/lxc_container.c
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@ -616,7 +616,7 @@ static int lxcContainerResolveSymlinks(virDomainFSDefPtr fs, bool gentle)
{
char *newroot;
if (!fs->src || fs->symlinksResolved)
if (!fs->src || !fs->src->path || fs->symlinksResolved)
return 0;
if (access(fs->src->path, F_OK)) {