btrfs: handle invalid extent item reference found in extent_from_logical()

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The extent_from_logical() helper looks up an extent item by a key,
allowing to do an inexact search when key->offset is -1.  It's never
expected to find such item, as it would break the allowed range of a
extent item offset.

The same error is already handled in btrfs_backref_iter_start() so add a
comment for consistency.

Signed-off-by: David Sterba <dsterba@suse.com>

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David Sterba 2024-01-24 22:41:01 +01:00

parent 5b9579893a

commit 11dcc86eba

1 changed files with 11 additions and 0 deletions

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fs/btrfs/backref.c

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