loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,metadata_target=/dev/loop0,noinodes_use_key_cache,degraded,journal_flush_disabled,fsck,fix_errors=yes,nojournal_transaction_names invalid bkey in superblock btree=inodes level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 key at POS_MAX: delete?, fixing invalid bkey in superblock btree=subvolumes level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 nonzero snapshot: delete?, fixing invalid bkey in superblock btree=snapshots level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 nonzero snapshot: delete?, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade required: Version upgrade from 0.32: (unknown version) to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.32: (unknown version) to 1.25: extent_flags running recovery passes: check_allocations,check_extents_to_backpointers,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance bcachefs (loop0): error validating btree node on loop0 at btree deleted_inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 82036bda63714c10 written 65535 min_key R 0:0:U32_MAX durability: 1 ptr: 0:40:0 gen 0 node offset 8/65535: btree node data missing: expected 65535 sectors, found 8, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=deleted_inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 82036bda63714c10 written 65535 min_key R 0:0:U32_MAX durability: 1 ptr: 0:40:0 gen 0 bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:619! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-09584-g7d06015d936c #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:bch2_btree_path_level_init+0x9dc/0xa00 fs/bcachefs/btree_iter.c:619 Code: e9 fa ff ff e8 05 13 6f fd 90 0f 0b e8 fd 12 6f fd 90 0f 0b e8 f5 12 6f fd 90 0f 0b e8 ed 12 6f fd 90 0f 0b e8 e5 12 6f fd 90 <0f> 0b e8 dd 12 6f fd 90 0f 0b e8 d5 12 6f fd 90 0f 0b e8 cd 12 6f RSP: 0018:ffffc9000d416200 EFLAGS: 00010283 RAX: ffffffff845487bb RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e2c2000 RSI: 0000000000064bc6 RDI: 0000000000064bc7 RBP: dffffc0000000000 R08: ffffffff84547ffc R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a82c34 R12: ffff888036d95000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880564e0033 FS: 00007f080a6ab6c0(0000) GS:ffff88808c5b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f40dae1058 CR3: 0000000043094000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btree_path_lock_root fs/bcachefs/btree_iter.c:773 [inline] bch2_btree_path_traverse_one+0x10af/0x2970 fs/bcachefs/btree_iter.c:1189 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2256 [inline] bch2_btree_iter_peek_max+0xc10/0x6370 fs/bcachefs/btree_iter.c:2359 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:700 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:678 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:741 [inline] bch2_check_allocations+0x1341/0x6b30 fs/bcachefs/btree_gc.c:1044 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x620 fs/bcachefs/super.c:1057 bch2_fs_get_tree+0x1270/0x18d0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3878 do_mount fs/namespace.c:4218 [inline] __do_sys_mount fs/namespace.c:4429 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4406 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: 0033:0x7f080978e90a 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:00007f080a6aae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f080a6aaef0 RCX: 00007f080978e90a RDX: 000020000000f640 RSI: 000020000000f680 RDI: 00007f080a6aaeb0 RBP: 000020000000f640 R08: 00007f080a6aaef0 R09: 0000000001000182 R10: 0000000001000182 R11: 0000000000000246 R12: 000020000000f680 R13: 00007f080a6aaeb0 R14: 000000000000f631 R15: 0000200000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9dc/0xa00 fs/bcachefs/btree_iter.c:619 Code: e9 fa ff ff e8 05 13 6f fd 90 0f 0b e8 fd 12 6f fd 90 0f 0b e8 f5 12 6f fd 90 0f 0b e8 ed 12 6f fd 90 0f 0b e8 e5 12 6f fd 90 <0f> 0b e8 dd 12 6f fd 90 0f 0b e8 d5 12 6f fd 90 0f 0b e8 cd 12 6f RSP: 0018:ffffc9000d416200 EFLAGS: 00010283 RAX: ffffffff845487bb RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e2c2000 RSI: 0000000000064bc6 RDI: 0000000000064bc7 RBP: dffffc0000000000 R08: ffffffff84547ffc R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a82c34 R12: ffff888036d95000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880564e0033 FS: 00007f080a6ab6c0(0000) GS:ffff88808c5b9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f40dae1058 CR3: 0000000043094000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400