netlink: 12 bytes leftover after parsing attributes in process `syz.0.0'. 8021q: adding VLAN 0 to HW filter on device bond0 bond0: (slave rose0): Enslaving as an active interface with an up link netlink: 8 bytes leftover after parsing attributes in process `syz.0.0'. loop0: detected capacity change from 0 to 32768 bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): Using encoding defined by superblock: utf8-12.1.0 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,gc_reserve_bytes=512 GiB,prjquota,no_splitbrain_check,nojournal_transaction_names,no_data_io allowing incompatible features above 0.0: (unknown version) bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade from 1.13: inode_has_child_snapshots to 1.7: mi_btree_bitmap incomplete Doing compatible version upgrade from 1.13: inode_has_child_snapshots to 1.25: extent_flags running recovery passes: check_allocations,check_extents_to_backpointers bcachefs (loop0): invalid bkey in btree_node btree=inodes level=0: u64s 17 type inode_v3 0:4097:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields, deleting bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): 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: incorrect max key 281483566645247:U64_MAX:U32_MAX, btree topology error: bcachefs (loop0): flagging btree dirents lost data bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=dirents level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node at btree alloc level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key R 0:65536:0 durability: 1 ptr: 0:26:0 gen 0 node offset 8/24 bset u64s 375 bset byte offset 184: keys out of order: u64s 11 type alloc_v4 5674535530486824960:32:0 len 0 ver 0 > u64s 11 type alloc_v4 0:2:0 len 0 ver 0, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=alloc level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key R 0:65536:0 durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree snapshots level 0/0 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: invalid bkey format: field 1 too large: 18446744073709551615 + 51539607552 > 18446744073709551615 u64s 3 fields 64:0, 64:51539607552, 32:0, 0:0, 0:0, 0:0, btree topology error: bcachefs (loop0): flagging btree snapshots lost data bcachefs (loop0): error reading btree root btree=snapshots level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 3 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root dirents unreadable, must recover from scan bcachefs (loop0): no nodes found for btree dirents, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan bcachefs (loop0): no nodes found for btree snapshots, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:619! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00032-g0d8d44db295c #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+0xa05/0xa20 fs/bcachefs/btree_iter.c:619 Code: fd 90 0f 0b e8 7c bf a4 fd 90 0f 0b e8 74 bf a4 fd 90 0f 0b e8 6c bf a4 fd 90 0f 0b e8 64 bf a4 fd 90 0f 0b e8 5c bf a4 fd 90 <0f> 0b e8 54 bf a4 fd 90 0f 0b e8 4c bf a4 fd 90 0f 0b 66 0f 1f 84 RSP: 0018:ffffc9000d416608 EFLAGS: 00010283 RAX: ffffffff841b10f4 RBX: ffff88803f680268 RCX: 0000000000100000 RDX: ffffc9000e262000 RSI: 0000000000075b0a RDI: 0000000000075b0b RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a82cb8 R12: 0000000000010000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f5d706046c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056280326f0b8 CR3: 00000000415d3000 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+0xe31/0x2430 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+0x988/0x5260 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:700 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:763 [inline] bch2_check_allocations+0x11a5/0x5470 fs/bcachefs/btree_gc.c:1065 bch2_run_recovery_pass+0xdf/0x1d0 fs/bcachefs/recovery_passes.c:227 bch2_run_recovery_passes+0x2a0/0xdb0 fs/bcachefs/recovery_passes.c:280 bch2_fs_recovery+0x2399/0x37b0 fs/bcachefs/recovery.c:937 bch2_fs_start+0x70b/0xae0 fs/bcachefs/super.c:1091 bch2_fs_get_tree+0xd99/0x13a0 fs/bcachefs/fs.c:2570 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759 do_new_mount+0x24a/0xa40 fs/namespace.c:3884 do_mount fs/namespace.c:4224 [inline] __do_sys_mount fs/namespace.c:4435 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4412 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5d6f79010a 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:00007f5d70603e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f5d70603ef0 RCX: 00007f5d6f79010a RDX: 0000200000000000 RSI: 0000200000005900 RDI: 00007f5d70603eb0 RBP: 0000200000000000 R08: 00007f5d70603ef0 R09: 0000000000010004 R10: 0000000000010004 R11: 0000000000000246 R12: 0000200000005900 R13: 00007f5d70603eb0 R14: 000000000000594a R15: 0000200000000480 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0xa05/0xa20 fs/bcachefs/btree_iter.c:619 Code: fd 90 0f 0b e8 7c bf a4 fd 90 0f 0b e8 74 bf a4 fd 90 0f 0b e8 6c bf a4 fd 90 0f 0b e8 64 bf a4 fd 90 0f 0b e8 5c bf a4 fd 90 <0f> 0b e8 54 bf a4 fd 90 0f 0b e8 4c bf a4 fd 90 0f 0b 66 0f 1f 84 RSP: 0018:ffffc9000d416608 EFLAGS: 00010283 RAX: ffffffff841b10f4 RBX: ffff88803f680268 RCX: 0000000000100000 RDX: ffffc9000e262000 RSI: 0000000000075b0a RDI: 0000000000075b0b RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a82cb8 R12: 0000000000010000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f5d706046c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056280326f0b8 CR3: 00000000415d3000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400