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authorFilipe Manana2023-08-28 09:06:43 +0100
committerGreg Kroah-Hartman2023-10-06 14:56:32 +0200
commit39c4a9522db0072570d602e9b365119e17fb9f4f (patch)
tree71a188366755286629f2810c823955781d5d246b /samples
parent0d1a761dec2259c0ed159ea6a19d3103aa80e0e1 (diff)
btrfs: remove BUG() after failure to insert delayed dir index item
[ Upstream commit 2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9 ] Instead of calling BUG() when we fail to insert a delayed dir index item into the delayed node's tree, we can just release all the resources we have allocated/acquired before and return the error to the caller. This is fine because all existing call chains undo anything they have done before calling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending snapshots in the transaction commit path). So remove the BUG() call and do proper error handling. This relates to a syzbot report linked below, but does not fix it because it only prevents hitting a BUG(), it does not fix the issue where somehow we attempt to use twice the same index number for different index items. Link: https://lore.kernel.org/linux-btrfs/00000000000036e1290603e097e0@google.com/ CC: stable@vger.kernel.org # 5.4+ Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'samples')
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