while marking 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, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing bucket 0:41 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bucket 0:35 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing bucket 0:28 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0, fixing btree ptr not marked in member info btree allocated bitmap u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:29 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:1 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:1 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:2 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:2 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:3 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:3 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:4 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:4 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:5 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:5 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:6 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:6 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:7 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:7 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:8 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:8 gen 0 data type sb has wrong dirty_sectors: got 0, should be 8, fixing bucket 0:9 gen 0 has wrong data_type: got free, should be journal, fixing bucket 0:9 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:10 gen 0 has wrong data_type: got free, should be journal, fixing bucket 0:10 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bucket 0:11 gen 0 has wrong data_type: got free, should be journal, fixing bcachefs (loop0): Ratelimiting new instances of previous error bucket 0:11 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing bcachefs (loop0): Ratelimiting new instances of previous error 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... done bcachefs (loop0): check_extents_to_backpointers... ------------[ 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: 5344 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #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: f4 8e 48 89 de e8 82 61 dd 00 e9 78 f8 ff ff e8 f8 e0 84 fd 90 0f 0b e8 00 73 b6 07 e8 eb e0 84 fd 90 0f 0b e8 e3 e0 84 fd 90 <0f> 0b e8 db e0 84 fd 90 0f 0b e8 d3 e0 84 fd 90 0f 0b 48 8b 4c 24 RSP: 0018:ffffc9000d365dc0 EFLAGS: 00010246 RAX: ffffffff8410ff2d RBX: ffff888053380000 RCX: 0000000000100000 RDX: ffffc9000e7f2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d3660b0 R08: ffffffff8410ef79 R09: ffffffff8410bfd9 R10: 0000000000000002 R11: ffff88801f2d4880 R12: dffffc0000000000 R13: 0000000000000004 R14: ffff888052160380 R15: 0000000000000000 FS: 00007f986af0a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056313f3a0018 CR3: 0000000034972000 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 bch2_check_extents_to_backpointers_pass fs/bcachefs/backpointers.c:884 [inline] bch2_check_extents_to_backpointers+0x1190/0x1bf0 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: 0033:0x7f986a17ffba 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:00007f986af09e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f986af09ef0 RCX: 00007f986a17ffba RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007f986af09eb0 RBP: 00000000200058c0 R08: 00007f986af09ef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f986af09eb0 R14: 00000000000058f6 R15: 0000000020000040 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: f4 8e 48 89 de e8 82 61 dd 00 e9 78 f8 ff ff e8 f8 e0 84 fd 90 0f 0b e8 00 73 b6 07 e8 eb e0 84 fd 90 0f 0b e8 e3 e0 84 fd 90 <0f> 0b e8 db e0 84 fd 90 0f 0b e8 d3 e0 84 fd 90 0f 0b 48 8b 4c 24 RSP: 0018:ffffc9000d365dc0 EFLAGS: 00010246 RAX: ffffffff8410ff2d RBX: ffff888053380000 RCX: 0000000000100000 RDX: ffffc9000e7f2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d3660b0 R08: ffffffff8410ef79 R09: ffffffff8410bfd9 R10: 0000000000000002 R11: ffff88801f2d4880 R12: dffffc0000000000 R13: 0000000000000004 R14: ffff888052160380 R15: 0000000000000000 FS: 00007f986af0a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056313f3a0018 CR3: 0000000034972000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400