bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.25: extent_flags running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance ------------[ cut here ]------------ precision 65535 too large WARNING: CPU: 1 PID: 6642 at lib/vsprintf.c:2720 set_precision lib/vsprintf.c:2720 [inline] WARNING: CPU: 1 PID: 6642 at lib/vsprintf.c:2720 vsnprintf+0xd76/0x1230 lib/vsprintf.c:2825 Modules linked in: CPU: 1 UID: 0 PID: 6642 Comm: syz.0.15 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #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 9e 18 9f f5 49 89 dd e9 0f f4 ff ff e8 91 18 9f f5 c6 05 2b 23 25 04 01 90 48 c7 c7 a0 88 76 8d 89 de e8 6b 73 5e 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:ffffc90003156200 EFLAGS: 00010246 RAX: 66c0ed7d0a298200 RBX: 000000000000ffff RCX: ffff8880307c5a00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003156310 R08: ffffffff81821792 R09: 1ffff110170e47d2 R10: dffffc0000000000 R11: ffffed10170e47d3 R12: dffffc0000000000 R13: ffff88802bfdc580 R14: ffffc900031563a8 R15: 1ffff9200062ac54 FS: 00007f42d37a76c0(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc01ab6588 CR3: 0000000012b98000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:1065 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:3881 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f42d29816ba 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:00007f42d37a6e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f42d37a6f10 RCX: 00007f42d29816ba RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007f42d37a6ed0 RBP: 00000000200058c0 R08: 00007f42d37a6f10 R09: 0000000000010040 R10: 0000000000010040 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f42d37a6ed0 R14: 00000000000059b0 R15: 0000000020000400