loop0: detected capacity change from 0 to 32768 bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names allowing incompatible features above 0.0: (unknown version) bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): superblock requires following recovery passes to be run: check_inodes,check_extents,check_dirents bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.25: extent_flags running recovery passes: check_allocations,check_extents_to_backpointers ------------[ cut here ]------------ precision 42388 too large WARNING: CPU: 0 PID: 5327 at lib/vsprintf.c:2720 set_precision lib/vsprintf.c:2720 [inline] WARNING: CPU: 0 PID: 5327 at lib/vsprintf.c:2720 vsnprintf+0xd76/0x1230 lib/vsprintf.c:2825 Modules linked in: CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #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:2720 [inline] RIP: 0010:vsnprintf+0xd76/0x1230 lib/vsprintf.c:2825 Code: 00 e8 4e 3c 97 f5 49 89 dd e9 0f f4 ff ff e8 41 3c 97 f5 c6 05 0a 65 1e 04 01 90 48 c7 c7 a0 5c 77 8d 89 de e8 3b 95 56 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:ffffc9000d58e200 EFLAGS: 00010246 RAX: 2b6f16aa24d4be00 RBX: 000000000000a594 RCX: 0000000000100000 RDX: ffffc9000e09a000 RSI: 000000000004c664 RDI: 000000000004c665 RBP: ffffc9000d58e310 R08: ffffffff818218d2 R09: 1ffff11003f847d2 R10: dffffc0000000000 R11: ffffed1003f847d3 R12: dffffc0000000000 R13: ffff88804304fe80 R14: ffffc9000d58e3a8 R15: 1ffff92001ab1c54 FS: 00007fe17212a6c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563c136cc838 CR3: 0000000040d88000 CR4: 0000000000352ef0 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: 0033:0x7fe17138f90a 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:00007fe172129e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe172129ef0 RCX: 00007fe17138f90a RDX: 000020000009de00 RSI: 0000200000005900 RDI: 00007fe172129eb0 RBP: 000020000009de00 R08: 00007fe172129ef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000200000005900 R13: 00007fe172129eb0 R14: 000000000000599a R15: 0000200000000000