running recovery passes: check_allocations,check_subvols,check_inodes,check_dirents bcachefs (loop0): error validating btree node at btree inodes level 0/0 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 node offset 16/24 bset u64s 110 bset byte offset 536: keys out of order: u64s 18 type inode_v3 0:4402341482500:U32_MAX len 0 ver 0 > u64s 18 type inode_v3 0:536870912:U32_MAX len 0 ver 0, fixing invalid bkey u64s 16 type inode_v3 0:4096:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields: delete?, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=inodes level=0 SPOS_MAX due to error bcachefs (loop0): error validating btree node on loop0 at btree dirents level 0/0 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 node offset 0/24 bset u64s 0: invalid bkey format: field 3 too large: 0 + 288230376151711744 > 4294967295 u64s 3 fields 64:0, 64:0, 32:0, 0:288230376151711744, 0:0, 0:0 bcachefs (loop0): flagging btree dirents lost data error reading btree root dirents l=0: btree_node_read_error, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): error validating btree node on loop0 at btree lru level 0/0 u64s 11 type btree_ptr_v2 U64_MAX:18446744073709551374:U32_MAX len 0 ver 0: seq 28f61e078e70b95c written 65296 min_key R 0:0:255 durability: 1 ptr: 0:28:0 gen 0 node offset 16/65296: btree node data missing: expected 65296 sectors, found 16, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=lru level=0 U64_MAX:18446744073709551374:U32_MAX due to error bcachefs (loop0): error validating btree node 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 8/24 bset u64s 42 bset byte offset 208: keys out of order: u64s 9 type backpointer 3405774848:8126464:0 len 0 ver 0 > u64s 9 type backpointer 0:8912896:0 len 0 ver 0, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=backpointers level=0 SPOS_MAX due to error bcachefs (loop0): scan_for_btree_nodes... bch2_scan_for_btree_nodes: nodes found after overwrites: extents l=0 seq=1 journal_seq=5 cookie=c6c25c03258c59c5 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 inodes l=0 seq=1 journal_seq=5 cookie=7589ab5e0c11cc7a POS_MIN-SPOS_MAX ptr: 0:38:0 gen 0 xattrs l=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-SPOS_MAX ptr: 0:31:0 gen 0 subvolumes l=0 seq=1 journal_seq=1 cookie=c0bef60d07ceb940 POS_MIN-SPOS_MAX ptr: 0:35:0 gen 0 snapshots l=0 seq=1 journal_seq=1 cookie=ebb8d5a9e3463bdb POS_MIN-SPOS_MAX ptr: 0:32:0 gen 0 lru l=0 seq=1 journal_seq=5 cookie=28f61e078e70b95c POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0 deleted_inodes l=0 seq=1 journal_seq=0 cookie=1db8f60c84bb244c POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0 done bcachefs (loop0): check_topology... bcachefs (loop0): btree root dirents unreadable, must recover from scan no nodes found for btree dirents, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... 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 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 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 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:631! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.13.0-rc7-syzkaller-00160-gad26fc09dabf #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_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:631 Code: f5 fa ff ff e8 a7 f0 81 fd 90 0f 0b e8 9f f0 81 fd 90 0f 0b e8 97 f0 81 fd 90 0f 0b e8 8f f0 81 fd 90 0f 0b e8 87 f0 81 fd 90 <0f> 0b e8 7f f0 81 fd 90 0f 0b e8 77 f0 81 fd 90 0f 0b e8 6f f0 81 RSP: 0018:ffffc9000d42e1e0 EFLAGS: 00010283 RAX: ffffffff841d91e9 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e5d2000 RSI: 0000000000061ca7 RDI: 0000000000061ca8 RBP: dffffc0000000000 R08: ffffffff841d8a3c R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff203309f R12: ffff888044099000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880556c8033 FS: 00007f85bed8c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005636e4bff058 CR3: 00000000400d2000 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:769 [inline] bch2_btree_path_traverse_one+0x10de/0x2940 fs/bcachefs/btree_iter.c:1183 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2210 [inline] bch2_btree_iter_peek_upto+0xb58/0x70e0 fs/bcachefs/btree_iter.c:2310 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:685 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:670 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x1abe/0x7070 fs/bcachefs/btree_gc.c:1133 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:3511 do_mount fs/namespace.c:3851 [inline] __do_sys_mount fs/namespace.c:4061 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038 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: 0033:0x7f85bdf874ca 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:00007f85bed8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f85bed8bef0 RCX: 00007f85bdf874ca RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 00007f85bed8beb0 RBP: 00000000200000c0 R08: 00007f85bed8bef0 R09: 0000000000004004 R10: 0000000000004004 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f85bed8beb0 R14: 0000000000005a63 R15: 0000000020000080 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:631 Code: f5 fa ff ff e8 a7 f0 81 fd 90 0f 0b e8 9f f0 81 fd 90 0f 0b e8 97 f0 81 fd 90 0f 0b e8 8f f0 81 fd 90 0f 0b e8 87 f0 81 fd 90 <0f> 0b e8 7f f0 81 fd 90 0f 0b e8 77 f0 81 fd 90 0f 0b e8 6f f0 81 RSP: 0018:ffffc9000d42e1e0 EFLAGS: 00010283 RAX: ffffffff841d91e9 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e5d2000 RSI: 0000000000061ca7 RDI: 0000000000061ca8 RBP: dffffc0000000000 R08: ffffffff841d8a3c R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff203309f R12: ffff888044099000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880556c8033 FS: 00007f85bed8c6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005636e4bff058 CR3: 00000000400d2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400