bcachefs (loop0): flagging btree snapshots lost data bcachefs (loop0): error reading btree root btree=snapshots level=0: btree_node_read_error, fixing bcachefs (loop0): invalid bkey in btree_node btree=freespace level=0: u64s 5 type set 0:32:0 len 0 ver 0 size == 0, deleting bcachefs (loop0): flagging btree freespace lost data bcachefs (loop0): error reading btree root btree=freespace level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree backpointers level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0 node offset 0/24: incorrect min_key: got 32768:65536:0 should be POS_MIN, btree topology error: bcachefs (loop0): flagging btree backpointers lost data bcachefs (loop0): error reading btree root btree=backpointers level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree deleted_inodes level 0/0 u64s 11 type btree_ptr_v2 18446744073709158399:U64_MAX:U32_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0 node offset 0/8 bset u64s 0: incorrect max key U64_MAX:18446744073709551360:511, btree topology error: bcachefs (loop0): flagging btree deleted_inodes lost data bcachefs (loop0): error reading btree root btree=deleted_inodes level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 6 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root extents unreadable, must recover from scan bcachefs (loop0): no nodes found for btree extents, continuing bcachefs (loop0): btree root xattrs unreadable, must recover from scan bcachefs (loop0): no nodes found for btree xattrs, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=snapshots 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 ebb8d5a9e3463bdb written 16 min_key 0:196608:0 durability: 1 ptr: 0:32:0 gen 0 bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=snapshots level=0 POS_MIN - 0:196607:U32_MAX bcachefs (loop0): btree node with incorrect min_key at btree=snapshots level=1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 next: u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key 0:196608:0 durability: 1 ptr: 0:32:0 gen 0, fixing bcachefs (loop0): set_node_min(): u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key 0:196608:0 durability: 1 ptr: 0:32:0 gen 0 -> POS_MIN bcachefs (loop0): btree root deleted_inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=deleted_inodes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 18446744073692774400:167772159:U32_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 U64_MAX:18446744073709551360:511 len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key R 18446744073692774400:167772160:0 durability: 1 ptr: 0:42:0 gen 0 bcachefs (loop0): btree node with incorrect max_key at: btree=deleted_inodes level=1 parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 U64_MAX:18446744073709551360:511 len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key R 18446744073692774400:167772160:0 durability: 1 ptr: 0:42:0 gen 0, fixing bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=deleted_inodes level=0 U64_MAX:18446744073709551360:512 - SPOS_MAX bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 U64_MAX:18446744073709551360:511 len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key R 18446744073692774400:167772160:0 durability: 1 ptr: 0:42:0 gen 0 -> SPOS_MAX done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) 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: 5312 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00244-gc3137514f1f1 #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+0x9fd/0xa20 fs/bcachefs/btree_iter.c:619 Code: 8d fb ff ff e8 34 ea a4 fd 90 0f 0b e8 2c ea a4 fd 90 0f 0b e8 24 ea a4 fd 90 0f 0b e8 1c ea a4 fd 90 0f 0b e8 14 ea a4 fd 90 <0f> 0b e8 0c ea a4 fd 90 0f 0b e8 04 ea a4 fd 90 0f 0b e8 fc e9 a4 RSP: 0018:ffffc9000d3fe608 EFLAGS: 00010287 RAX: ffffffff841ad48c RBX: ffff8880360ec2f0 RCX: 0000000000100000 RDX: ffffc9000de6a000 RSI: 000000000009cfe7 RDI: 000000000009cfe8 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a7fcb8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000ffff FS: 00007f93c23416c0(0000) GS:ffff88808d6cd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fe3165b058 CR3: 0000000052078000 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+0xe31/0x2430 fs/bcachefs/btree_iter.c:1189 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:248 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2243 [inline] bch2_btree_iter_peek_max+0x988/0x5260 fs/bcachefs/btree_iter.c:2347 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:702 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:677 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:740 [inline] bch2_check_allocations+0x11a5/0x5470 fs/bcachefs/btree_gc.c:1042 bch2_run_recovery_pass+0xdf/0x1d0 fs/bcachefs/recovery_passes.c:227 bch2_run_recovery_passes+0x2a0/0xdb0 fs/bcachefs/recovery_passes.c:280 bch2_fs_recovery+0x2399/0x37b0 fs/bcachefs/recovery.c:937 bch2_fs_start+0x70b/0xae0 fs/bcachefs/super.c:1083 bch2_fs_get_tree+0xd99/0x1340 fs/bcachefs/fs.c:2570 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759 do_new_mount+0x249/0xa50 fs/namespace.c:3881 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f93c159010a 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:00007f93c2340e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f93c2340ef0 RCX: 00007f93c159010a RDX: 0000200000000040 RSI: 0000200000000000 RDI: 00007f93c2340eb0 RBP: 0000200000000040 R08: 00007f93c2340ef0 R09: 0000000000800000 R10: 0000000000800000 R11: 0000000000000246 R12: 0000200000000000 R13: 00007f93c2340eb0 R14: 0000000000005ac6 R15: 0000200000005c40 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9fd/0xa20 fs/bcachefs/btree_iter.c:619 Code: 8d fb ff ff e8 34 ea a4 fd 90 0f 0b e8 2c ea a4 fd 90 0f 0b e8 24 ea a4 fd 90 0f 0b e8 1c ea a4 fd 90 0f 0b e8 14 ea a4 fd 90 <0f> 0b e8 0c ea a4 fd 90 0f 0b e8 04 ea a4 fd 90 0f 0b e8 fc e9 a4 RSP: 0018:ffffc9000d3fe608 EFLAGS: 00010287 RAX: ffffffff841ad48c RBX: ffff8880360ec2f0 RCX: 0000000000100000 RDX: ffffc9000de6a000 RSI: 000000000009cfe7 RDI: 000000000009cfe8 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a7fcb8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000ffff FS: 00007f93c23416c0(0000) GS:ffff88808d6cd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fe3165b058 CR3: 0000000052078000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400