while marking 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, 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 bucket 0:32 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 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 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 0:37 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 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0, fixing bucket 0:42 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 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0, fixing bcachefs (loop0): Ratelimiting new instances of previous error bucket 0:0 gen 0 has wrong data_type: got free, should be sb, fixing bucket 0:0 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, 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 bcachefs (loop0): Ratelimiting new instances of previous error bucket 0:10 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... hole in alloc btree missing in freespace btree device 0 buckets 26-27, fixing 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_iter.c:2929! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #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_trans_node_iter_init+0x61d/0x630 fs/bcachefs/btree_iter.c:2929 Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c aa fd ff ff 48 89 df e8 06 34 e3 fd e9 9d fd ff ff e8 9c 75 79 fd 90 0f 0b e8 94 75 79 fd 90 <0f> 0b e8 8c 75 79 fd 90 0f 0b e8 14 c2 ab 07 0f 1f 40 00 90 90 90 RSP: 0018:ffffc9000d5c6020 EFLAGS: 00010293 RAX: ffffffff841b648c RBX: 0000000000000006 RCX: ffff88800011c880 RDX: 0000000000000000 RSI: 000000000000000e RDI: 0000000000000006 RBP: ffffc9000d5c6158 R08: ffffffff841b625b R09: ffffffffffffffff R10: ffffffffffffffff R11: ffffffffffffffff R12: dffffc0000000000 R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000 FS: 00007f4d807ac6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559b1c162078 CR3: 000000003ab20000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_backpointer_get_node+0x2c6/0x880 fs/bcachefs/backpointers.c:358 bch2_backpointer_get_key+0x61c/0x970 fs/bcachefs/backpointers.c:335 check_bp_exists fs/bcachefs/backpointers.c:579 [inline] check_extent_to_backpointers+0x21f9/0x46b0 fs/bcachefs/backpointers.c:683 check_btree_root_to_backpointers fs/bcachefs/backpointers.c:717 [inline] bch2_check_extents_to_backpointers_pass fs/bcachefs/backpointers.c:868 [inline] bch2_check_extents_to_backpointers+0xeb8/0x1bf0 fs/bcachefs/backpointers.c:932 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 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: 0033:0x7f4d7f97feba 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:00007f4d807abe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4d807abef0 RCX: 00007f4d7f97feba RDX: 00000000200058c0 RSI: 0000000020000040 RDI: 00007f4d807abeb0 RBP: 00000000200058c0 R08: 00007f4d807abef0 R09: 0000000000010000 R10: 0000000000010000 R11: 0000000000000246 R12: 0000000020000040 R13: 00007f4d807abeb0 R14: 00000000000058f2 R15: 0000000020000100 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_trans_node_iter_init+0x61d/0x630 fs/bcachefs/btree_iter.c:2929 Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c aa fd ff ff 48 89 df e8 06 34 e3 fd e9 9d fd ff ff e8 9c 75 79 fd 90 0f 0b e8 94 75 79 fd 90 <0f> 0b e8 8c 75 79 fd 90 0f 0b e8 14 c2 ab 07 0f 1f 40 00 90 90 90 RSP: 0018:ffffc9000d5c6020 EFLAGS: 00010293 RAX: ffffffff841b648c RBX: 0000000000000006 RCX: ffff88800011c880 RDX: 0000000000000000 RSI: 000000000000000e RDI: 0000000000000006 RBP: ffffc9000d5c6158 R08: ffffffff841b625b R09: ffffffffffffffff R10: ffffffffffffffff R11: ffffffffffffffff R12: dffffc0000000000 R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000 FS: 00007f4d807ac6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559b1c162078 CR3: 000000003ab20000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400