UBIFS: restrict world-writable debugfs files
Don't allow everybody to dump sensitive information about filesystems. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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parent
be7b42a5cb
commit
8c559d30b4
@ -2813,19 +2813,19 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
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}
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fname = "dump_lprops";
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dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
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dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
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if (IS_ERR(dent))
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goto out_remove;
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d->dfs_dump_lprops = dent;
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fname = "dump_budg";
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dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
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dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
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if (IS_ERR(dent))
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goto out_remove;
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d->dfs_dump_budg = dent;
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fname = "dump_tnc";
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dent = debugfs_create_file(fname, S_IWUGO, d->dfs_dir, c, &dfs_fops);
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dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, c, &dfs_fops);
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if (IS_ERR(dent))
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goto out_remove;
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d->dfs_dump_tnc = dent;
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