bucket 0:29 gen 0 data type btree has wrong dirty_sectors: got 0, should be 32, fixing bucket 0:31 gen 0 data type btree has wrong dirty_sectors: got 256, should be 32, fixing bucket 0:32 gen 0 has wrong data_type: got sb, should be btree, fixing bucket 0:32 gen 0 data type btree has wrong dirty_sectors: got 256, should be 32, fixing bucket 0:35 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:35 gen 0 data type btree has wrong dirty_sectors: got 0, should be 32, fixing bucket 0:37 gen 0 data type btree has wrong dirty_sectors: got 256, should be 32, fixing bucket 0:38 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:38 gen 0 data type btree has wrong dirty_sectors: got 0, should be 32, fixing bucket 0:41 gen 0 has wrong data_type: got free, should be btree, fixing bucket 0:41 gen 0 data type btree has wrong dirty_sectors: got 0, should be 32, fixing bucket 0:42 gen 0 data type btree has wrong dirty_sectors: got 256, should be 32, fixing bucket 0:120 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:120 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:121 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:121 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:122 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:122 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:123 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:123 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:124 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:124 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:125 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:125 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:126 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:126 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:127 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:127 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... done bcachefs (loop0): check_alloc_info... done bcachefs (loop0): check_lrus... done bcachefs (loop0): check_btree_backpointers... done bcachefs (loop0): check_backpointers_to_extents... backpointer for missing btree node u64s 9 type backpointer 0:7077888:0 len 0 ver 0: bucket=0:27:0 btree=extents l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing backpointer for missing btree node u64s 9 type backpointer 0:7340032:0 len 0 ver 0: bucket=0:28:0 btree=lru l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing backpointer for missing btree node u64s 9 type backpointer 0:11010048:0 len 0 ver 0: bucket=0:42:0 btree=deleted_inodes l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing done bcachefs (loop0): check_extents_to_backpointers... missing backpointer for btree=extents l=1 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 got: u64s 5 type deleted 0:7077888:0 len 0 ver 0 want: u64s 9 type backpointer 0:7077888:0 len 0 ver 0: bucket=0:27:0 btree=extents l=1 offset=0:0 len=32 pos=SPOS_MAX, fixing missing backpointer for btree=inodes l=1 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 got: u64s 5 type deleted 0:9961472:0 len 0 ver 0 want: u64s 9 type backpointer 0:9961472:0 len 0 ver 0: bucket=0:38:0 btree=inodes l=1 offset=0:0 len=32 pos=SPOS_MAX, fixing ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.h:131! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #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_id_root fs/bcachefs/btree_cache.h:131 [inline] RIP: 0010:btree_path_lock_root fs/bcachefs/btree_iter.c:723 [inline] RIP: 0010:bch2_btree_path_traverse_one+0x28de/0x2940 fs/bcachefs/btree_iter.c:1183 Code: f3 8e 48 89 de e8 12 fe dc 00 e9 78 f8 ff ff e8 a8 cc 81 fd 90 0f 0b e8 70 77 aa 07 e8 9b cc 81 fd 90 0f 0b e8 93 cc 81 fd 90 <0f> 0b e8 8b cc 81 fd 90 0f 0b e8 83 cc 81 fd 90 0f 0b 48 8b 4c 24 RSP: 0018:ffffc900019bddc0 EFLAGS: 00010246 RAX: ffffffff841d91ad RBX: ffff888052d00000 RCX: 0000000000100000 RDX: ffffc9000ebea000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc900019be0b0 R08: ffffffff841d81f9 R09: ffffffff841d5259 R10: 0000000000000002 R11: ffff88801ab50000 R12: dffffc0000000000 R13: 0000000000000007 R14: ffff888051ff0408 R15: 0000000000000000 FS: 00007fb1b74b36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564cbe348008 CR3: 000000003b08a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] bch2_btree_iter_peek_slot+0x84f/0x2550 fs/bcachefs/btree_iter.c:2629 bch2_backpointer_get_key+0x2bc/0x970 fs/bcachefs/backpointers.c:327 check_bp_exists fs/bcachefs/backpointers.c:584 [inline] check_extent_to_backpointers+0x21f9/0x46b0 fs/bcachefs/backpointers.c:688 check_btree_root_to_backpointers fs/bcachefs/backpointers.c:722 [inline] bch2_check_extents_to_backpointers_pass fs/bcachefs/backpointers.c:873 [inline] bch2_check_extents_to_backpointers+0xeb8/0x1bf0 fs/bcachefs/backpointers.c:937 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:191 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:244 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037 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: 0033:0x7fb1b67816ba 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:00007fb1b74b2e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb1b74b2f10 RCX: 00007fb1b67816ba RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00007fb1b74b2ed0 RBP: 00000000200005c0 R08: 00007fb1b74b2f10 R09: 000000000000c012 R10: 000000000000c012 R11: 0000000000000246 R12: 0000000020000180 R13: 00007fb1b74b2ed0 R14: 0000000000005958 R15: 0000000020000200 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_id_root fs/bcachefs/btree_cache.h:131 [inline] RIP: 0010:btree_path_lock_root fs/bcachefs/btree_iter.c:723 [inline] RIP: 0010:bch2_btree_path_traverse_one+0x28de/0x2940 fs/bcachefs/btree_iter.c:1183 Code: f3 8e 48 89 de e8 12 fe dc 00 e9 78 f8 ff ff e8 a8 cc 81 fd 90 0f 0b e8 70 77 aa 07 e8 9b cc 81 fd 90 0f 0b e8 93 cc 81 fd 90 <0f> 0b e8 8b cc 81 fd 90 0f 0b e8 83 cc 81 fd 90 0f 0b 48 8b 4c 24 RSP: 0018:ffffc900019bddc0 EFLAGS: 00010246 RAX: ffffffff841d91ad RBX: ffff888052d00000 RCX: 0000000000100000 RDX: ffffc9000ebea000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc900019be0b0 R08: ffffffff841d81f9 R09: ffffffff841d5259 R10: 0000000000000002 R11: ffff88801ab50000 R12: dffffc0000000000 R13: 0000000000000007 R14: ffff888051ff0408 R15: 0000000000000000 FS: 00007fb1b74b36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564cbe348008 CR3: 000000003b08a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400