loop0: detected capacity change from 0 to 32775
bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,usrquota,move_ios_in_flight=22,nojournal_transaction_names
  allowing incompatible features above 0.0: (unknown version)
bcachefs (loop0): invalid journal entry, version=1.7: mi_btree_bitmap type=data_usage in superblock: invalid journal entry usage: bad size, fixing
bcachefs (loop0): recovering from clean shutdown, journal seq 10
bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.25: extent_flags
  running recovery passes: check_allocations,check_extents_to_backpointers,check_inodes
bcachefs (loop0): bcachefs (loop0): error validating btree node at btree dirents level 0/0
  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
  node offset 16/24 bset u64s 36 bset byte offset 80: key extends past end of bset, fixing
------------[ cut here ]------------
precision 39321 too large
WARNING: CPU: 0 PID: 5313 at lib/vsprintf.c:2720 set_precision lib/vsprintf.c:2720 [inline]
WARNING: CPU: 0 PID: 5313 at lib/vsprintf.c:2720 vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2825
Modules linked in:
CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00052-g4f79eaa2ceac #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:set_precision lib/vsprintf.c:2720 [inline]
RIP: 0010:vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2825
Code: e8 39 b7 6d f6 49 89 ef e9 03 f6 ff ff e8 2c b7 6d f6 c6 05 8c db 16 04 01 90 48 c7 c7 80 cf 96 8c 44 89 fe e8 65 13 32 f6 90 <0f> 0b 90 90 e9 ba fc ff ff 89 e9 80 e1 07 38 c1 7c ba 48 89 ef e8
RSP: 0018:ffffc9000fdbe390 EFLAGS: 00010246
RAX: 9c3033c9f1824300 RBX: dffffc0000000000 RCX: ffff88801f304880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffffff8bb36123 R08: ffff88801fe23e93 R09: 1ffff11003fc47d2
R10: dffffc0000000000 R11: ffffed1003fc47d3 R12: ffffc9000fdbe4c0
R13: ffff88803e2e8484 R14: 0000000000000003 R15: 0000000000009999
FS:  00007f27cec406c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc796e8c28 CR3: 0000000040d15000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_prt_printf+0x1c6/0x740 fs/bcachefs/printbuf.c:183
 bch2_dirent_to_text+0x1d9/0x420 fs/bcachefs/dirent.c:215
 __bch2_bkey_fsck_err+0x3df/0x520 fs/bcachefs/error.c:626
 bch2_dirent_validate+0x7a2/0xfc0 fs/bcachefs/dirent.c:163
 bch2_bkey_val_validate+0x212/0x400 fs/bcachefs/bkey_methods.c:143
 btree_node_bkey_val_validate fs/bcachefs/btree_io.c:840 [inline]
 bch2_btree_node_read_done+0x36ee/0x5470 fs/bcachefs/btree_io.c:1255
 btree_node_read_work+0x565/0xef0 fs/bcachefs/btree_io.c:1366
 bch2_btree_node_read+0x2151/0x27a0 fs/bcachefs/btree_io.c:-1
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1797 [inline]
 bch2_btree_root_read+0x5e7/0x750 fs/bcachefs/btree_io.c:1819
 read_btree_roots+0x2cb/0x800 fs/bcachefs/recovery.c:582
 bch2_fs_recovery+0x2356/0x37b0 fs/bcachefs/recovery.c:929
 bch2_fs_start+0x70b/0xae0 fs/bcachefs/super.c:1083
 bch2_fs_get_tree+0xd99/0x1340 fs/bcachefs/fs.c:2570
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759
 do_new_mount+0x24a/0xa40 fs/namespace.c:3884
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27cdd9010a
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:00007f27cec3fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f27cec3fef0 RCX: 00007f27cdd9010a
RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007f27cec3feb0
RBP: 00002000000058c0 R08: 00007f27cec3fef0 R09: 0000000001000000
R10: 0000000001000000 R11: 0000000000000246 R12: 0000200000005900
R13: 00007f27cec3feb0 R14: 0000000000005900 R15: 0000200000000480
 </TASK>