bcachefs (loop2): dropping and reconstructing all alloc info
------------[ cut here ]------------
precision 65535 too large
WARNING: CPU: 1 PID: 8086 at lib/vsprintf.c:2720 set_precision lib/vsprintf.c:2720 [inline]
WARNING: CPU: 1 PID: 8086 at lib/vsprintf.c:2720 vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2825
Modules linked in:
CPU: 1 UID: 0 PID: 8086 Comm: syz.2.321 Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:set_precision lib/vsprintf.c:2720 [inline]
RIP: 0010:vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2825
Code: e8 c9 37 74 f6 49 89 ef e9 03 f6 ff ff e8 bc 37 74 f6 c6 05 01 69 1c 04 01 90 48 c7 c7 e0 27 96 8c 44 89 fe e8 45 94 38 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:ffffc9000b22e390 EFLAGS: 00010246
RAX: 96d491855534ce00 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000bc1b000 RSI: 000000000006c09a RDI: 000000000006c09b
RBP: ffffffff8bb370c3 R08: ffff8880b8923e93 R09: 1ffff110171247d2
R10: dffffc0000000000 R11: ffffed10171247d3 R12: ffffc9000b22e4c0
R13: ffff8880295b0773 R14: 0000000000000003 R15: 000000000000ffff
FS:  00007f09322db6c0(0000) GS:ffff8881261f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f31fffc CR3: 0000000062574000 CR4: 00000000003526f0
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:628
 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:841 [inline]
 bch2_btree_node_read_done+0x36ee/0x5470 fs/bcachefs/btree_io.c:1256
 btree_node_read_work+0x565/0xef0 fs/bcachefs/btree_io.c:1367
 bch2_btree_node_read+0x2151/0x27a0 fs/bcachefs/btree_io.c:-1
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1801 [inline]
 bch2_btree_root_read+0x5e7/0x750 fs/bcachefs/btree_io.c:1823
 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:1096
 bch2_fs_get_tree+0xad7/0x13b0 fs/bcachefs/fs.c:2483
 vfs_get_tree+0x92/0x2b0 fs/super.c:1759
 do_new_mount+0x24a/0xa40 fs/namespace.c:3881
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4409
 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: 0033:0x7f093139010a
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:00007f09322dae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f09322daef0 RCX: 00007f093139010a
RDX: 0000200000000000 RSI: 0000200000000140 RDI: 00007f09322daeb0
RBP: 0000200000000000 R08: 00007f09322daef0 R09: 0000000000808040
R10: 0000000000808040 R11: 0000000000000246 R12: 0000200000000140
R13: 00007f09322daeb0 R14: 0000000000005962 R15: 0000200000000200
 </TASK>