forked from Mirrors/btrfs-progs
btrfs-progs: Print error on invalid extent item format during check
While performing normal mode check if the code comes across an invalid extent format it will just BUG() and exit without printing any useful information for debugging. Improve the situation by outputting the key/leaf bytenr/slot which will enable to quickly inspect the tree and see what the corruption is. Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>master
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561cef3738
commit
94ca37bd24
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@ -8366,7 +8366,13 @@ static int process_extent_item(struct btrfs_root *root,
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if (item_size < sizeof(*ei)) {
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#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
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struct btrfs_extent_item_v0 *ei0;
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BUG_ON(item_size != sizeof(*ei0));
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if (item_size != sizeof(*ei0)) {
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error(
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"invalid extent item format: ITEM[%llu %u %llu] leaf: %llu slot: %d",
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key.objectid, key.type, key.offset,
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btrfs_header_bytenr(eb), slot);
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BUG();
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}
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ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0);
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refs = btrfs_extent_refs_v0(eb, ei0);
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#else
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