loop0: detected capacity change from 0 to 1024
hfsplus: unable to parse mount options
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
loop0: detected capacity change from 0 to 32768
bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
bcachefs (loop0): recovering from clean shutdown, journal seq 10
bcachefs (loop0): Version upgrade required:
Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots
  running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
bcachefs (loop0): accounting_read... done
bcachefs (loop0): alloc_read... done
bcachefs (loop0): stripes_read... done
bcachefs (loop0): snapshots_read... done
bcachefs (loop0): check_allocations...
bucket 0:26 data type btree ptr gen 0 missing in alloc btree
while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0, fixing
bucket 0:38 data type btree ptr gen 0 missing in alloc btree
while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing
bucket 0:41 data type btree ptr gen 0 missing in alloc btree
while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing
bucket 0:35 data type btree ptr gen 0 missing in alloc btree
while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing
------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_iter.c:631!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00005-ge42b1a9a2557 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:bch2_btree_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:631
Code: f5 fa ff ff e8 d7 58 7c fd 90 0f 0b e8 cf 58 7c fd 90 0f 0b e8 c7 58 7c fd 90 0f 0b e8 bf 58 7c fd 90 0f 0b e8 b7 58 7c fd 90 <0f> 0b e8 af 58 7c fd 90 0f 0b e8 a7 58 7c fd 90 0f 0b e8 9f 58 7c
RSP: 0018:ffffc9000cff6200 EFLAGS: 00010246
RAX: ffffffff84187fd9 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000dd6a000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: dffffc0000000000 R08: ffffffff8418782c R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a066 R12: ffff88803ee6b800
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888050cc0033
FS:  00007f1c301376c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f745a8f1dd3 CR3: 0000000040bde000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btree_path_lock_root fs/bcachefs/btree_iter.c:769 [inline]
 bch2_btree_path_traverse_one+0x10de/0x2940 fs/bcachefs/btree_iter.c:1170
 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline]
 __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2197 [inline]
 bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2297
 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline]
 bch2_gc_btree fs/bcachefs/btree_gc.c:670 [inline]
 bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline]
 bch2_check_allocations+0x1abe/0x7070 fs/bcachefs/btree_gc.c:1133
 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185
 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232
 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:862
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036
 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170
 vfs_get_tree+0x90/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c2f37feba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1c30136e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1c30136ef0 RCX: 00007f1c2f37feba
RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007f1c30136eb0
RBP: 00000000200058c0 R08: 00007f1c30136ef0 R09: 0000000000000400
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020005900
R13: 00007f1c30136eb0 R14: 00000000000058b0 R15: 0000000020000240
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_btree_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:631
Code: f5 fa ff ff e8 d7 58 7c fd 90 0f 0b e8 cf 58 7c fd 90 0f 0b e8 c7 58 7c fd 90 0f 0b e8 bf 58 7c fd 90 0f 0b e8 b7 58 7c fd 90 <0f> 0b e8 af 58 7c fd 90 0f 0b e8 a7 58 7c fd 90 0f 0b e8 9f 58 7c
RSP: 0018:ffffc9000cff6200 EFLAGS: 00010246
RAX: ffffffff84187fd9 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000dd6a000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: dffffc0000000000 R08: ffffffff8418782c R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a066 R12: ffff88803ee6b800
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888050cc0033
FS:  00007f1c301376c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560d0bc62008 CR3: 0000000040bde000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400