loop0: detected capacity change from 0 to 32776 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names,read_only allowing incompatible features above 0.0: (unknown version) features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 bcachefs (loop0): invalid journal entry, version=1.7: mi_btree_bitmap type=clock in superblock: bad rw, fixing bcachefs (loop0): invalid bkey in superblock btree=xattrs level=1: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 0 crc: c_size 1 size 1 offset 0 nonce 0 csum none 12010b:10004000b compress none has non ptr field, deleting bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade from 1.3: rebalance_work to 1.7: mi_btree_bitmap incomplete Doing compatible version upgrade from 1.3: rebalance_work to 1.28: inode_has_case_insensitive running recovery passes: check_allocations,check_extents_to_backpointers,check_subvols,check_inodes,check_dirents bcachefs (loop0): btree node read error at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 10 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 loop0 node offset 8/10 bset u64s 29: bset past end of btree node (offset 8 len 8 but written 10) flagging btree inodes lost data running recovery pass check_topology (2), currently at recovery_pass_empty (0) running recovery pass check_lrus (14), currently at recovery_pass_empty (0) running recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) running recovery pass check_topology (2), currently at recovery_pass_empty (0) running recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) ret fsck_errors_not_fixed bcachefs (loop0): error reading btree root btree=inodes level=0: btree_node_read_error, fixing ------------[ cut here ]------------ precision 41377 too large WARNING: CPU: 0 PID: 5335 at lib/vsprintf.c:2742 set_precision lib/vsprintf.c:2742 [inline] WARNING: CPU: 0 PID: 5335 at lib/vsprintf.c:2742 vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2847 Modules linked in: CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00233-g35e261cd95dd #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:2742 [inline] RIP: 0010:vsnprintf+0xb0c/0xf00 lib/vsprintf.c:2847 Code: e8 89 2c 5d f6 49 89 ef e9 03 f6 ff ff e8 7c 2c 5d f6 c6 05 78 ef 27 04 01 90 48 c7 c7 20 20 b9 8c 44 89 fe e8 f5 d4 20 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:ffffc9000d65e2d0 EFLAGS: 00010246 RAX: b4cac15ff07a8700 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000e993000 RSI: 0000000000041237 RDI: 0000000000041238 RBP: ffffffff8bd3e323 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa04 R12: ffffc9000d65e400 R13: ffff88803e6bcc84 R14: 0000000000000003 R15: 000000000000a1a1 FS: 00007f131b6296c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8ce7d909c0 CR3: 0000000043c24000 CR4: 0000000000352ef0 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:689 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:882 [inline] bch2_btree_node_read_done+0x3a4d/0x5700 fs/bcachefs/btree_io.c:1308 btree_node_read_work+0x426/0xe30 fs/bcachefs/btree_io.c:1415 bch2_btree_node_read+0x887/0x2a00 fs/bcachefs/btree_io.c:-1 __bch2_btree_root_read fs/bcachefs/btree_io.c:1881 [inline] bch2_btree_root_read+0x5f0/0x760 fs/bcachefs/btree_io.c:1903 read_btree_roots+0x2c6/0x840 fs/bcachefs/recovery.c:604 bch2_fs_recovery+0x261f/0x3a50 fs/bcachefs/recovery.c:995 bch2_fs_start+0xa99/0xd90 fs/bcachefs/super.c:1212 bch2_fs_get_tree+0xafc/0x14f0 fs/bcachefs/fs.c:2490 vfs_get_tree+0x92/0x2b0 fs/super.c:1804 do_new_mount+0x24a/0xa40 fs/namespace.c:3902 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4427 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: 0033:0x7f131a7900ca 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:00007f131b628e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f131b628ef0 RCX: 00007f131a7900ca RDX: 00002000000000c0 RSI: 0000200000000080 RDI: 00007f131b628eb0 RBP: 00002000000000c0 R08: 00007f131b628ef0 R09: 0000000000818001 R10: 0000000000818001 R11: 0000000000000246 R12: 0000200000000080 R13: 00007f131b628eb0 R14: 0000000000005968 R15: 00002000000001c0