bcachefs (loop5): error reading btree root btree=extents level=0: btree_node_read_error, fixing ------------[ cut here ]------------ precision 65535 too large WARNING: CPU: 1 PID: 6593 at lib/vsprintf.c:2742 set_precision lib/vsprintf.c:2742 [inline] WARNING: CPU: 1 PID: 6593 at lib/vsprintf.c:2742 vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2847 Modules linked in: CPU: 1 UID: 0 PID: 6593 Comm: syz.5.40 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:set_precision lib/vsprintf.c:2742 [inline] RIP: 0010:vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2847 Code: e8 a9 d9 64 f6 49 89 ef e9 03 f6 ff ff e8 9c d9 64 f6 c6 05 be 73 2e 04 01 90 48 c7 c7 80 49 b8 8c 44 89 fe e8 65 84 28 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:ffffc9000215e2d0 EFLAGS: 00010246 RAX: 45a7cfa006304600 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc90004671000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffffff8bd3cd63 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: ffffc9000215e400 R13: ffff888034196a73 R14: 0000000000000003 R15: 000000000000ffff FS: 00007f69472b26c0(0000) GS:ffff888125d83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f58c6371d60 CR3: 000000007651c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_prt_printf+0x1c6/0x740 fs/bcachefs/printbuf.c:183 bch2_dirent_to_text+0x1f3/0xd20 fs/bcachefs/dirent.c:215 __bch2_bkey_fsck_err+0x3f7/0x540 fs/bcachefs/error.c:687 bch2_dirent_validate+0x7b3/0xfb0 fs/bcachefs/dirent.c:163 bch2_bkey_val_validate+0x202/0x3e0 fs/bcachefs/bkey_methods.c:143 btree_node_bkey_val_validate fs/bcachefs/btree_io.c:890 [inline] bch2_btree_node_read_done+0x3539/0x51f0 fs/bcachefs/btree_io.c:1304 btree_node_read_work+0x426/0xe30 fs/bcachefs/btree_io.c:1411 bch2_btree_node_read+0x887/0x2a00 fs/bcachefs/btree_io.c:-1 __bch2_btree_root_read fs/bcachefs/btree_io.c:1877 [inline] bch2_btree_root_read+0x5f0/0x760 fs/bcachefs/btree_io.c:1899 read_btree_roots+0x2c2/0x880 fs/bcachefs/recovery.c:604 bch2_fs_recovery+0x2574/0x3950 fs/bcachefs/recovery.c:979 bch2_fs_start+0xa99/0xd90 fs/bcachefs/super.c:1203 bch2_fs_get_tree+0xb02/0x14f0 fs/bcachefs/fs.c:2489 vfs_get_tree+0x92/0x2b0 fs/super.c:1804 do_new_mount+0x24a/0xa40 fs/namespace.c:3885 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4410 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f69463900ca 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:00007f69472b1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f69472b1ef0 RCX: 00007f69463900ca RDX: 00002000000003c0 RSI: 0000200000000000 RDI: 00007f69472b1eb0 RBP: 00002000000003c0 R08: 00007f69472b1ef0 R09: 000000000180c848 R10: 000000000180c848 R11: 0000000000000246 R12: 0000200000000000 R13: 00007f69472b1eb0 R14: 0000000000005959 R15: 0000200000000540