running recovery passes: check_extents_to_backpointers
------------[ cut here ]------------
precision 65535 too large
WARNING: CPU: 1 PID: 6281 at lib/vsprintf.c:2720 set_precision lib/vsprintf.c:2720 [inline]
WARNING: CPU: 1 PID: 6281 at lib/vsprintf.c:2720 vsnprintf+0xd76/0x1230 lib/vsprintf.c:2825
Modules linked in:
CPU: 1 UID: 0 PID: 6281 Comm: syz.3.56 Not tainted 6.15.0-rc1-syzkaller-00246-g900241a5cc15 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:set_precision lib/vsprintf.c:2720 [inline]
RIP: 0010:vsnprintf+0xd76/0x1230 lib/vsprintf.c:2825
Code: 00 e8 0e c3 9e f5 49 89 dd e9 0f f4 ff ff e8 01 c3 9e f5 c6 05 ac 3c 24 04 01 90 48 c7 c7 a0 7e 76 8d 89 de e8 eb e3 5d f5 90 <0f> 0b 90 90 e9 ec fb ff ff 89 d9 80 e1 07 38 c1 7c bc 48 89 df e8
RSP: 0018:ffffc90004eae200 EFLAGS: 00010246
RAX: fb70321c8285bf00 RBX: 000000000000ffff RCX: 0000000000080000
RDX: ffffc9000c1d1000 RSI: 0000000000057403 RDI: 0000000000057404
RBP: ffffc90004eae310 R08: ffffffff81826812 R09: fffffbfff1d7a970
R10: dffffc0000000000 R11: fffffbfff1d7a970 R12: dffffc0000000000
R13: ffff8880351a9880 R14: ffffc90004eae3a8 R15: 1ffff920009d5c54
FS:  00007fc1883cb6c0(0000) GS:ffff8881250c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c906a36950 CR3: 00000000281b0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_prt_printf+0x1ba/0x6d0 fs/bcachefs/printbuf.c:183
 bch2_dirent_to_text+0x18e/0x3c0 fs/bcachefs/dirent.c:227
 __bch2_bkey_fsck_err+0x40b/0x580 fs/bcachefs/error.c:629
 bch2_dirent_validate+0x79d/0xf90 fs/bcachefs/dirent.c:175
 bch2_bkey_val_validate+0x217/0x410 fs/bcachefs/bkey_methods.c:143
 btree_node_bkey_val_validate fs/bcachefs/btree_io.c:840 [inline]
 bch2_btree_node_read_done+0x4112/0x6290 fs/bcachefs/btree_io.c:1255
 btree_node_read_work+0x6cb/0x1400 fs/bcachefs/btree_io.c:1366
 bch2_btree_node_read+0x2427/0x29e0 fs/bcachefs/btree_io.c:-1
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1797 [inline]
 bch2_btree_root_read+0x656/0x7e0 fs/bcachefs/btree_io.c:1819
 read_btree_roots+0x3d7/0xa80 fs/bcachefs/recovery.c:581
 bch2_fs_recovery+0x28e4/0x3e20 fs/bcachefs/recovery.c:928
 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1059
 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253
 vfs_get_tree+0x90/0x2b0 fs/super.c:1759
 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879
 do_mount fs/namespace.c:4219 [inline]
 __do_sys_mount fs/namespace.c:4430 [inline]
 __se_sys_mount+0x38c/0x400 fs/namespace.c:4407
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc18758e90a
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:00007fc1883cae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc1883caef0 RCX: 00007fc18758e90a
RDX: 00002000000001c0 RSI: 0000200000000000 RDI: 00007fc1883caeb0
RBP: 00002000000001c0 R08: 00007fc1883caef0 R09: 0000000000808040
R10: 0000000000808040 R11: 0000000000000246 R12: 0000200000000000
R13: 00007fc1883caeb0 R14: 0000000000005939 R15: 0000200000000040
 </TASK>