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Bug#550010: hfsplus corrupts filesystems >2TB



This is my suggested change, so far only compile-tested:

--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -99,6 +99,10 @@
 
 	if (hfsplus_get_last_session(sb, &part_start, &part_size))
 		return -EINVAL;
+	if (part_start + part_size >= 0x100000000) {
+		pr_err("hfs: volumes larger than 2TB are not supported yet\n");
+		return -EINVAL;
+	}
 	while (1) {
 		bh = sb_bread512(sb, part_start + HFSPLUS_VOLHEAD_SECTOR, vhdr);
 		if (!bh)
--- END ---

Ben.

-- 
Ben Hutchings
To err is human; to really foul things up requires a computer.

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