running recovery passes: check_allocations,check_inodes
invalid bkey u64s 11 type alloc_v4 0:11:0 len 0 ver 0: 
  gen 0 oldest_gen 0 data_type journal
  journal_seq       1
  need_discard      1
  need_inc_gen      1
  dirty_sectors     256
  stripe_sectors    0
  cached_sectors    0
  stripe            59572224
  stripe_redundancy 0
  io_time[READ]     1
  io_time[WRITE]    1
  fragmentation     0
  bp_start          8
  invalid data type (got 2 should be 7): delete?, fixing
invalid bkey u64s 15 type alloc_v4 0:29:0 len 0 ver 0: 
  gen 0 oldest_gen 0 data_type btree
  journal_seq       18158513697557839873
  need_discard      0
  need_inc_gen      1
  dirty_sectors     256
  stripe_sectors    0
  cached_sectors    0
  stripe            0
  stripe_redundancy 0
  io_time[READ]     1
  io_time[WRITE]    1
  fragmentation     0
  bp_start          8
  invalid backpointers_start: delete?, fixing
invalid btree root subvolumes, fixing
bcachefs (loop0): will run btree node scan
bcachefs (loop0): flagging btree subvolumes lost data
bcachefs (loop0): scan_for_btree_nodes...
bch2_scan_for_btree_nodes: nodes found after overwrites:
  extents l=0 seq=1 journal_seq=5 cookie=c6c25c03258c59c5 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0
  xattrs l=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-SPOS_MAX ptr: 0:31:0 gen 0
  lru l=0 seq=1 journal_seq=5 cookie=28f61e078e70b95c POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0
  deleted_inodes l=0 seq=1 journal_seq=0 cookie=1db8f60c84bb244c POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0
 done
bcachefs (loop0): check_topology...
bcachefs (loop0): btree root subvolumes unreadable, must recover from scan
no nodes found for btree subvolumes, continuing
 done
bcachefs (loop0): accounting_read... done
bcachefs (loop0): alloc_read... done
bcachefs (loop0): stripes_read... done
bcachefs (loop0): snapshots_read...
------------[ 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: 5333 Comm: syz.0.0 Not tainted 6.12.0-syzkaller #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+0x9ba/0x9f0 fs/bcachefs/btree_iter.c:631
Code: 48 c7 c7 40 36 f4 8e 48 89 ee e8 e1 59 dd 00 e9 f5 fa ff ff e8 b7 01 7c fd 90 0f 0b e8 af 01 7c fd 90 0f 0b e8 a7 01 7c fd 90 <0f> 0b e8 9f 01 7c fd 90 0f 0b e8 97 01 7c fd 90 0f 0b e8 8f 01 7c
RSP: 0018:ffffc9000d166960 EFLAGS: 00010246
RAX: ffffffff8418e869 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000d419000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: dffffc0000000000 R08: ffffffff8418e0f0 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a1be R12: ffff88804e866000
R13: ffffffff00000000 R14: 0000000000000000 R15: ffff8880530a0033
FS:  00007f52fd33c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d3f9187d48 CR3: 00000000426d8000 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:1183
 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline]
 __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2210 [inline]
 bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2310
 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline]
 bch2_snapshots_read+0x4ac/0x15f0 fs/bcachefs/snapshot.c:1785
 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:191
 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:244
 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037
 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 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: 0033:0x7f52fc57feba
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:00007f52fd33be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f52fd33bef0 RCX: 00007f52fc57feba
RDX: 0000000020000000 RSI: 0000000020005900 RDI: 00007f52fd33beb0
RBP: 0000000020000000 R08: 00007f52fd33bef0 R09: 0000000001000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020005900
R13: 00007f52fd33beb0 R14: 0000000000005976 R15: 0000000020000040
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_btree_path_level_init+0x9ba/0x9f0 fs/bcachefs/btree_iter.c:631
Code: 48 c7 c7 40 36 f4 8e 48 89 ee e8 e1 59 dd 00 e9 f5 fa ff ff e8 b7 01 7c fd 90 0f 0b e8 af 01 7c fd 90 0f 0b e8 a7 01 7c fd 90 <0f> 0b e8 9f 01 7c fd 90 0f 0b e8 97 01 7c fd 90 0f 0b e8 8f 01 7c
RSP: 0018:ffffc9000d166960 EFLAGS: 00010246
RAX: ffffffff8418e869 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000d419000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: dffffc0000000000 R08: ffffffff8418e0f0 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff203a1be R12: ffff88804e866000
R13: ffffffff00000000 R14: 0000000000000000 R15: ffff8880530a0033
FS:  00007f52fd33c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d3f9187d48 CR3: 00000000426d8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400