loop0: detected capacity change from 0 to 32768
bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=(invalid option 4),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
------------[ cut here ]------------
kernel BUG at fs/bcachefs/error.c:29!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5107 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #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_inconsistent_error+0x14c/0x150 fs/bcachefs/error.c:29
Code: fb 02 75 20 e8 f5 53 67 fd 49 81 c7 cc 01 00 00 e8 09 0c d1 fd 48 c7 c7 20 74 53 8c 4c 89 fe e8 2a cb 95 07 e8 d5 53 67 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f
RSP: 0018:ffffc9000b33e5f8 EFLAGS: 00010287
RAX: ffffffff842d840b RBX: 0000000000000004 RCX: 0000000000040000
RDX: ffffc9000b7a1000 RSI: 0000000000038705 RDI: 0000000000038706
RBP: ffffc9000b33e7a8 R08: 0000000000000001 R09: ffffffff842d8324
R10: 0000000000000004 R11: ffff888000a58000 R12: dffffc0000000000
R13: ffffc9000b33e6c0 R14: ffff88804e000000 R15: ffff88804e000000
FS:  00007ff3fdd176c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc679f4fa8 CR3: 000000003df50000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_topology_error+0x83/0xc0 fs/bcachefs/error.c:37
 __btree_err+0x610/0x760 fs/bcachefs/btree_io.c:597
 validate_bset+0x157b/0x2640 fs/bcachefs/btree_io.c:807
 bch2_btree_node_read_done+0x2108/0x5e90 fs/bcachefs/btree_io.c:1126
 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1327
 bch2_btree_node_read+0x2433/0x2a10
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1753 [inline]
 bch2_btree_root_read+0x617/0x7a0 fs/bcachefs/btree_io.c:1775
 read_btree_roots+0x296/0x840 fs/bcachefs/recovery.c:524
 bch2_fs_recovery+0x2585/0x39c0 fs/bcachefs/recovery.c:854
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036
 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2174
 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: 0033:0x7ff3fcf7f79a
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:00007ff3fdd16e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff3fdd16ef0 RCX: 00007ff3fcf7f79a
RDX: 0000000020000300 RSI: 0000000020005900 RDI: 00007ff3fdd16eb0
RBP: 0000000020000300 R08: 00007ff3fdd16ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020005900
R13: 00007ff3fdd16eb0 R14: 00000000000058ca R15: 00000000200000c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_inconsistent_error+0x14c/0x150 fs/bcachefs/error.c:29
Code: fb 02 75 20 e8 f5 53 67 fd 49 81 c7 cc 01 00 00 e8 09 0c d1 fd 48 c7 c7 20 74 53 8c 4c 89 fe e8 2a cb 95 07 e8 d5 53 67 fd 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f
RSP: 0018:ffffc9000b33e5f8 EFLAGS: 00010287
RAX: ffffffff842d840b RBX: 0000000000000004 RCX: 0000000000040000
RDX: ffffc9000b7a1000 RSI: 0000000000038705 RDI: 0000000000038706
RBP: ffffc9000b33e7a8 R08: 0000000000000001 R09: ffffffff842d8324
R10: 0000000000000004 R11: ffff888000a58000 R12: dffffc0000000000
R13: ffffc9000b33e6c0 R14: ffff88804e000000 R15: ffff88804e000000
FS:  00007ff3fdd176c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056291895b018 CR3: 000000003df50000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400