Re: [PATCH 2/3] Btrfs: fix null pointer dereference when extent buffer is already freed

2015-08-04 Thread Anand Jain
Wasn't this already solved by commit [1] added in the last 4.2-rc? Ah yes. it does. Thanks, Anand -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: [PATCH 2/3] Btrfs: fix null pointer dereference when extent buffer is already freed

2015-08-04 Thread Filipe David Manana
On Tue, Aug 4, 2015 at 3:43 PM, Anand Jain wrote: > When, read_tree_block() returns error it has already freed the extent_buffer > > read_tree_block(..) > { > :: > ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid); > <== fails > if (ret) { > free_e

[PATCH 2/3] Btrfs: fix null pointer dereference when extent buffer is already freed

2015-08-04 Thread Anand Jain
When, read_tree_block() returns error it has already freed the extent_buffer read_tree_block(..) { :: ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid); <== fails if (ret) { free_extent_buffer(buf); <=== its freed already return ERR