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,norecovery,reconstruct_alloc invalid bkey in superblock btree=xattrs level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 key at POS_MAX: delete?, fixing invalid bkey in superblock btree=alloc level=0: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 nonzero snapshot: delete?, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.25: extent_flags 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): dropping and reconstructing all alloc info bcachefs (loop0): error validating btree node at btree extents level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 8/16 bset u64s 49 bset byte offset 80: invalid bkey format 14, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 10 bcachefs (loop0): flagging btree extents 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=extents level=0: btree_node_read_error, fixing invalid bkey in btree_node btree=dirents level=0: u64s 8 type dirent 4096:9097378837824744618:U32_MAX len 0 ver 0: fil -> 536870914 type reg dirent has stray data after name's NUL: delete?, fixing invalid bkey in btree_node btree=subvolumes level=0: u64s 7 type subvolume 0:1:0 len 0 ver 0: root 0 snapshot id 4294967295 invalid inode: delete?, fixing bcachefs (loop0): pointer to nonexistent device 112 ------------[ cut here ]------------ unhandled error case in bch2_bkey_pick_read_device WARNING: CPU: 0 PID: 5323 at fs/bcachefs/extents.c:230 bch2_bkey_pick_read_device+0x17a5/0x1a00 fs/bcachefs/extents.c:230 Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-09352-g0c86b42439b6 #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_bkey_pick_read_device+0x17a5/0x1a00 fs/bcachefs/extents.c:230 Code: 91 2c 57 fd e9 d0 fd ff ff e8 87 2c 57 fd c6 05 0a bd db 0b 01 90 48 c7 c7 e0 af 93 8c 48 c7 c6 b4 8b 59 8e e8 3c 3d 16 fd 90 <0f> 0b 90 90 e9 bc fe ff ff e8 5d 2c 57 fd e9 6e ff ff ff 89 d9 80 RSP: 0018:ffffc9000d486de0 EFLAGS: 00010246 RAX: 7d634c17d3515e00 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e43a000 RSI: 000000000004d1c3 RDI: 000000000004d1c4 RBP: ffffc9000d487010 R08: ffffffff8182adb2 R09: 1ffff11003f847d2 R10: dffffc0000000000 R11: ffffed1003f847d3 R12: dffffc0000000000 R13: 1ffff92001a90de4 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f9c0fc646c0(0000) GS:ffff88808c5dc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055658b86f038 CR3: 000000004313e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_node_read+0x7ac/0x29e0 fs/bcachefs/btree_io.c:1705 __bch2_btree_root_read fs/bcachefs/btree_io.c:1795 [inline] bch2_btree_root_read+0x656/0x7e0 fs/bcachefs/btree_io.c:1817 read_btree_roots+0x3d7/0xa80 fs/bcachefs/recovery.c:581 bch2_fs_recovery+0x28e4/0x3e20 fs/bcachefs/recovery.c:928 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: 0033:0x7f9c0ed8e90a 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:00007f9c0fc63e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9c0fc63ef0 RCX: 00007f9c0ed8e90a RDX: 00002000000000c0 RSI: 0000200000005900 RDI: 00007f9c0fc63eb0 RBP: 00002000000000c0 R08: 00007f9c0fc63ef0 R09: 0000000001210000 R10: 0000000001210000 R11: 0000000000000246 R12: 0000200000005900 R13: 00007f9c0fc63eb0 R14: 0000000000005934 R15: 0000200000000000