Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots 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 invalid btree root inodes, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): flagging btree inodes lost data bcachefs (loop0): flagging btree xattrs lost data error reading btree root xattrs l=0: btree_node_read_error, fixing invalid bkey u64s 12 type alloc_v4 0:28:0 len 0 ver 0: gen 0 oldest_gen 0 data_type btree journal_seq 6 need_discard 1 need_inc_gen 1 dirty_sectors 0 stripe_sectors 0 cached_sectors 0 stripe 0 stripe_redundancy 0 io_time[READ] 1 io_time[WRITE] 768 fragmentation 0 bp_start 8 invalid data type (got 3 should be 9): delete?, fixing invalid btree root subvolumes, fixing bcachefs (loop0): flagging btree subvolumes lost data invalid btree root lru, fixing bcachefs (loop0): flagging btree lru lost data invalid bkey u64s 5 type set 0:37:0 len 4294964982 ver 0 size greater than offset (4294964982 > 37): delete?, fixing bcachefs (loop0): flagging btree freespace lost data error reading btree root freespace l=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bch2_scan_for_btree_nodes: nodes found after overwrites: extents l=0 seq=1 journal_seq=5 cookie=c6c25c03258c59c5 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 inodes l=0 seq=1 journal_seq=5 cookie=7589ab5e0c11cc7a POS_MIN-2251799813685247:U64_MAX:U32_MAX ptr: 0:38:0 gen 0 dirents l=0 seq=1 journal_seq=4 cookie=9aa2895aefce4bdf POS_MIN-SPOS_MAX ptr: 0:41:0 gen 0 subvolumes l=0 seq=1 journal_seq=1 cookie=c0bef60d07ceb940 POS_MIN-SPOS_MAX ptr: 0:35:0 gen 0 snapshots l=0 seq=1 journal_seq=1 cookie=ebb8d5a9e3463bdb POS_MIN-SPOS_MAX ptr: 0:32:0 gen 0 lru l=0 seq=1 journal_seq=5 cookie=28f61e078e70b95c POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0 deleted_inodes l=0 seq=1 journal_seq=0 cookie=1db8f60c84bb244c POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0 done bcachefs (loop0): check_topology... bcachefs (loop0): btree root inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovering inodes l=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 2251799813685247:U64_MAX:U32_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 btree node with incorrect max_keyat btree inodes level 1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 2251799813685247:U64_MAX:U32_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bcachefs (loop0): bch2_get_scanned_nodes(): recovering inodes l=0 2251799813685248:0:0 - SPOS_MAX bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 2251799813685247:U64_MAX:U32_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 -> SPOS_MAX ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.c:280! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted 6.12.0-rc7-syzkaller #0 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_node_hash_insert+0x12ed/0x1310 fs/bcachefs/btree_cache.c:280 Code: ea fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 7e df ea fd e9 e5 f7 ff ff e8 34 15 81 fd 90 <0f> 0b e8 2c 15 81 fd 90 0f 0b e8 24 15 81 fd 90 0f 0b e8 0c b2 b3 RSP: 0018:ffffc9000d4066a0 EFLAGS: 00010246 RAX: ffffffff8413c4dc RBX: ffff88803f3c4a28 RCX: 0000000000040000 RDX: ffffc9000dd21000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d4067d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000026001 R12: 1ffff11007e78945 R13: dffffc0000000000 R14: ffff888050081a80 R15: ffff88803f3c4800 FS: 00007feec45f86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005654d8508038 CR3: 0000000042432000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_node_max+0x542/0x710 fs/bcachefs/btree_gc.c:188 btree_repair_node_end fs/bcachefs/btree_gc.c:299 [inline] bch2_btree_repair_topology_recurse+0x5630/0x6750 fs/bcachefs/btree_gc.c:425 bch2_check_topology+0x68f/0xb20 fs/bcachefs/btree_gc.c:550 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:238 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7feec4b7feba 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:00007feec45f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007feec45f7ef0 RCX: 00007feec4b7feba RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007feec45f7eb0 RBP: 00000000200058c0 R08: 00007feec45f7ef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000000020000000 R13: 00007feec45f7eb0 R14: 000000000000592b R15: 0000000020000140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_btree_node_hash_insert+0x12ed/0x1310 fs/bcachefs/btree_cache.c:280 Code: ea fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 7e df ea fd e9 e5 f7 ff ff e8 34 15 81 fd 90 <0f> 0b e8 2c 15 81 fd 90 0f 0b e8 24 15 81 fd 90 0f 0b e8 0c b2 b3 RSP: 0018:ffffc9000d4066a0 EFLAGS: 00010246 RAX: ffffffff8413c4dc RBX: ffff88803f3c4a28 RCX: 0000000000040000 RDX: ffffc9000dd21000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d4067d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000026001 R12: 1ffff11007e78945 R13: dffffc0000000000 R14: ffff888050081a80 R15: ffff88803f3c4800 FS: 00007feec45f86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005654d8508038 CR3: 0000000042432000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400