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 node offset 0/16 bset u64s 0: incorrect btree id, btree topology error: bcachefs (loop0): flagging btree subvolumes lost data bcachefs (loop0): error reading btree root btree=subvolumes level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree lru level 0/0 u64s 11 type btree_ptr_v2 18377501229438730239:U64_MAX:U32_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key SPOS_MAX, btree topology error: bcachefs (loop0): flagging btree lru lost data bcachefs (loop0): running explicit recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=lru level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree freespace level 0/0 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 node offset 0/32: bad magic: want 59513f585d347cd2, got 59513f585d340000, btree topology error: 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 deleted_inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 65288 min_key R 0:4278190080:0 durability: 1 ptr: 0:42:0 gen 0 node offset 8/65288: btree node data missing: expected 65288 sectors, found 8, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=deleted_inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 65288 min_key R 0:4278190080:0 durability: 1 ptr: 0:42:0 gen 0 bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 2 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 subvolumes unreadable, must recover from scan bcachefs (loop0): no nodes found for btree subvolumes, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap 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, fixing bcachefs (loop0): bucket 0:26 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 ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0, fixing bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap 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 bcachefs (loop0): bucket 0:38 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 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bcachefs (loop0): 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 bcachefs (loop0): 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 bcachefs (loop0): bucket 0:31 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 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): 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 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:619! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller-00333-g5aaaedb0cb54 #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+0x9e4/0xa00 fs/bcachefs/btree_iter.c:619 Code: fd 90 0f 0b e8 0d d5 6b fd 90 0f 0b e8 05 d5 6b fd 90 0f 0b e8 fd d4 6b fd 90 0f 0b e8 f5 d4 6b fd 90 0f 0b e8 ed d4 6b fd 90 <0f> 0b e8 e5 d4 6b fd 90 0f 0b e8 dd d4 6b fd 90 0f 0b 66 2e 0f 1f RSP: 0018:ffffc9000d59e200 EFLAGS: 00010283 RAX: ffffffff84578043 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e0aa000 RSI: 000000000009d45c RDI: 000000000009d45d RBP: dffffc0000000000 R08: ffffffff845778bb R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001ab3c34 R12: ffff888054c65000 R13: 00000000ff000000 R14: 0000000000000000 R15: ffff888056be0033 FS: 00007f5a315056c0(0000) GS:ffff88808c593000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562f2c306058 CR3: 0000000042f5e000 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+0x10af/0x2970 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+0xb9b/0x61a0 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+0x129b/0x6930 fs/bcachefs/btree_gc.c:1042 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:285 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1059 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4407 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: 0033:0x7f5a3078e90a 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:00007f5a31504e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5a31504ef0 RCX: 00007f5a3078e90a RDX: 0000200000000100 RSI: 0000200000000080 RDI: 00007f5a31504eb0 RBP: 0000200000000100 R08: 00007f5a31504ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000080 R13: 00007f5a31504eb0 R14: 0000000000005a9d R15: 0000200000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9e4/0xa00 fs/bcachefs/btree_iter.c:619 Code: fd 90 0f 0b e8 0d d5 6b fd 90 0f 0b e8 05 d5 6b fd 90 0f 0b e8 fd d4 6b fd 90 0f 0b e8 f5 d4 6b fd 90 0f 0b e8 ed d4 6b fd 90 <0f> 0b e8 e5 d4 6b fd 90 0f 0b e8 dd d4 6b fd 90 0f 0b 66 2e 0f 1f RSP: 0018:ffffc9000d59e200 EFLAGS: 00010283 RAX: ffffffff84578043 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e0aa000 RSI: 000000000009d45c RDI: 000000000009d45d RBP: dffffc0000000000 R08: ffffffff845778bb R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001ab3c34 R12: ffff888054c65000 R13: 00000000ff000000 R14: 0000000000000000 R15: ffff888056be0033 FS: 00007f5a315056c0(0000) GS:ffff88808c593000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562f2c306058 CR3: 0000000042f5e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400