When running test fuzz/003, we could hit the following BUG_ON:
------
====== RUN MAYFAIL /home/adam/btrfs/btrfs-progs/btrfs check --init-csum-tree
/home/adam/btrfs/btrfs-progs/tests//fuzz-tests/images/bko-155621-bad-block-group-offset.raw.restored
Unable to find block group for 0
Unable to find block group for 0
Unable to find block group for 0
extent-tree.c:2657: alloc_tree_block: BUG_ON `ret` triggered, value -28
failed (ignored, ret=134): /home/adam/btrfs/btrfs-progs/btrfs check
--init-csum-tree
/home/adam/btrfs/btrfs-progs/tests//fuzz-tests/images/bko-155621-bad-block-group-offset.raw.restored
mayfail: returned code 134 (SIGABRT), not ignored
test failed for case 003-multi-check-unmounted
------
Just remove that BUG_ON() and allow us to exit gracefully.
Signed-off-by: Qu Wenruo <w...@suse.com>
---
extent-tree.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/extent-tree.c b/extent-tree.c
index b9d51b388c9a..a1f711ece7a8 100644
--- a/extent-tree.c
+++ b/extent-tree.c
@@ -2654,7 +2654,10 @@ static int alloc_tree_block(struct btrfs_trans_handle
*trans,
ret = btrfs_reserve_extent(trans, root, num_bytes, empty_size,
hint_byte, search_end, ins, 0);
- BUG_ON(ret);
+ if (ret < 0) {
+ btrfs_free_delayed_extent_op(extent_op);
+ return ret;
+ }
if (key)
memcpy(&extent_op->key, key, sizeof(extent_op->key));
--
2.18.0
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