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Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

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Pull overlayfs bug fixes from Miklos Szeredi:
 "This contains fixes for bugs that appeared in earlier kernels (all are
  marked for -stable)"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: free lower_mnt array in ovl_put_super
  ovl: free stack of paths in ovl_fill_super
  ovl: fix open in stacked overlay
  ovl: fix dentry reference leak
  ovl: use O_LARGEFILE in ovl_copy_up()
This commit is contained in:
Linus Torvalds
2015-10-31 14:49:19 -07:00
parent c94eee8a3b 5ffdbe8bf1
commit 4bb0fb57f3
3 changed files with 8 additions and 3 deletions
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2
fs/overlayfs/super.c
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@@ -544,6 +544,7 @@ static void ovl_put_super(struct super_block *sb)
mntput(ufs->upper_mnt);
for (i = 0; i < ufs->numlower; i++)
mntput(ufs->lower_mnt[i]);
kfree(ufs->lower_mnt);
kfree(ufs->config.lowerdir);
kfree(ufs->config.upperdir);
@@ -1048,6 +1049,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
oe->lowerstack[i].dentry = stack[i].dentry;
oe->lowerstack[i].mnt = ufs->lower_mnt[i];
}
kfree(stack);
root_dentry->d_fsdata = oe;