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=invalid device 255,noinodes_use_key_cache,journal_flush_delay=1001,nojournal_transaction_names bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade required: Version upgrade from 0.19: freespace to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.19: freespace to 1.20: directory_size 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 bcachefs (loop0): error validating btree node on loop0 at btree inodes level 0/0 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 node offset 0/24 bset u64s 62976: checksum error, type chacha20_poly1305_128: got 4df6fe7fd0fb8068d90d9be52221b479 should be 86b6d06687008ae27463fcb251774b21, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 13 bcachefs (loop0): flagging btree inodes lost data bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) error reading btree root btree=inodes level=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node on loop0 at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 node offset 8/40 bset u64s 375: checksum error, type chacha20_poly1305_128: got d362e3f009d61a56e350d9d1387852a5 should be 61ec379a8789477e76ff1a5280fd6dbd, shutting down bcachefs (loop0): flagging btree alloc lost data error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 7 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=inodes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 256 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 Topology repair: unreadable btree node at btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 256 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing empty interior btree node at btree=inodes level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root inodes done bcachefs (loop0): accounting_read... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:633! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #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+0x9cc/0xa00 fs/bcachefs/btree_iter.c:633 Code: 48 c7 c7 80 a2 14 8f 48 89 ee e8 df ff e3 00 e9 e9 fa ff ff e8 f5 1e 72 fd 90 0f 0b e8 ed 1e 72 fd 90 0f 0b e8 e5 1e 72 fd 90 <0f> 0b e8 dd 1e 72 fd 90 0f 0b e8 d5 1e 72 fd 90 0f 0b e8 cd 1e 72 RSP: 0018:ffffc9000d4ae6c0 EFLAGS: 00010287 RAX: ffffffff845143eb RBX: b3d7807f1eefd9a1 RCX: 0000000000100000 RDX: ffffc9000e11a000 RSI: 000000000005beec RDI: 000000000005beed RBP: dffffc0000000000 R08: ffffffff84513c60 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a95ccc R12: ffff8880528b4000 R13: 9dcb388f62958ad2 R14: 0000000000000000 R15: ffff888044aa0033 FS: 00007fd2b398b6c0(0000) GS:ffff88808c824000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563eab2ae058 CR3: 0000000040bc8000 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:787 [inline] bch2_btree_path_traverse_one+0x10af/0x2970 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2270 [inline] bch2_btree_iter_peek_max+0xc10/0x6370 fs/bcachefs/btree_iter.c:2373 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:693 [inline] bch2_accounting_read+0xed3/0x65f0 fs/bcachefs/disk_accounting.c:714 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+0x28f7/0x3de0 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041 bch2_fs_get_tree+0xdc0/0x17b0 fs/bcachefs/fs.c:2203 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: 0033:0x7fd2b2b8e90a 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:00007fd2b398ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd2b398aef0 RCX: 00007fd2b2b8e90a RDX: 000020000000f640 RSI: 000020000000f680 RDI: 00007fd2b398aeb0 RBP: 000020000000f640 R08: 00007fd2b398aef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000020000000f680 R13: 00007fd2b398aeb0 R14: 000000000000f62a R15: 0000200000000280 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9cc/0xa00 fs/bcachefs/btree_iter.c:633 Code: 48 c7 c7 80 a2 14 8f 48 89 ee e8 df ff e3 00 e9 e9 fa ff ff e8 f5 1e 72 fd 90 0f 0b e8 ed 1e 72 fd 90 0f 0b e8 e5 1e 72 fd 90 <0f> 0b e8 dd 1e 72 fd 90 0f 0b e8 d5 1e 72 fd 90 0f 0b e8 cd 1e 72 RSP: 0018:ffffc9000d4ae6c0 EFLAGS: 00010287 RAX: ffffffff845143eb RBX: b3d7807f1eefd9a1 RCX: 0000000000100000 RDX: ffffc9000e11a000 RSI: 000000000005beec RDI: 000000000005beed RBP: dffffc0000000000 R08: ffffffff84513c60 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a95ccc R12: ffff8880528b4000 R13: 9dcb388f62958ad2 R14: 0000000000000000 R15: ffff888044aa0033 FS: 00007fd2b398b6c0(0000) GS:ffff88808c824000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563eab2ae058 CR3: 0000000040bc8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400