loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=ro,errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names,read_only invalid journal entry, version=1.7: mi_btree_bitmap type=btree_root in superblock: invalid btree root journal entry: wrong number of keys, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.20: directory_size running recovery passes: check_allocations,check_extents_to_backpointers,check_inodes bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4294903807 len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key SPOS_MAX bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): flagging btree extents 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) error reading btree root btree=extents level=0: btree_node_read_error, fixing 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 R 0:0:18329 durability: 1 ptr: 0:38:0 gen 0 node offset 16/24 bset u64s 110 bset byte offset 280: keys out of order: u64s 18 type inode_v3 0:4098:U32_MAX len 0 ver 0 > u64s 18 type inode_v3 0:0:524287 len 0 ver 0, fixing invalid bkey in btree_node btree=inodes level=0: u64s 18 type inode_v3 0:4098:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields: delete?, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key R 0:0:18329 durability: 1 ptr: 0:38:0 gen 0 bcachefs (loop0): error validating btree node at btree xattrs level 0/0 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 node offset 8/16 bset u64s 10 bset byte offset 80: keys out of order: u64s 7 type xattr 8796629893120:3798421620223919902:U32_MAX len 0 ver 0 > u64s 7 type xattr 536870912:9073845653939145521:U32_MAX len 0 ver 0, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=xattrs level=0 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 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 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0 node offset 0/8 bset u64s 0: invalid bkey format: field 0 too large: 18446744073709551615 + 1970324836974592 > 18446744073709551615 u64s 3 fields 64:1970324836974592, 64:0, 32:0, 0:0, 0:0, 0:0 bcachefs (loop0): flagging btree deleted_inodes lost data error reading btree root btree=deleted_inodes level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 1 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root extents unreadable, must recover from scan no nodes found for btree extents, continuing bcachefs (loop0): btree root deleted_inodes unreadable, must recover from scan no nodes found for btree deleted_inodes, 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... 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 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:633! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00115-ge3a854b577cb #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:633 Code: f5 fa ff ff e8 b7 c2 75 fd 90 0f 0b e8 af c2 75 fd 90 0f 0b e8 a7 c2 75 fd 90 0f 0b e8 9f c2 75 fd 90 0f 0b e8 97 c2 75 fd 90 <0f> 0b e8 8f c2 75 fd 90 0f 0b e8 87 c2 75 fd 90 0f 0b e8 7f c2 75 RSP: 0018:ffffc9000d4e6260 EFLAGS: 00010283 RAX: ffffffff844c1c79 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e4ea000 RSI: 000000000007263c RDI: 000000000007263d RBP: dffffc0000000000 R08: ffffffff844c14cc R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2079f2f R12: ffff88805443d800 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888055a40033 FS: 00007efc3f7516c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560c2ad81088 CR3: 000000004030e000 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:787 [inline] bch2_btree_path_traverse_one+0x108b/0x2930 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2270 [inline] bch2_btree_iter_peek_max+0xc06/0x6320 fs/bcachefs/btree_iter.c:2373 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:693 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:675 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:735 [inline] bch2_check_allocations+0x1309/0x6aa0 fs/bcachefs/btree_gc.c:1038 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x265a/0x3de0 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1041 bch2_fs_get_tree+0xdb7/0x17a0 fs/bcachefs/fs.c:2203 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7efc3e98e90a 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:00007efc3f750e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007efc3f750ef0 RCX: 00007efc3e98e90a RDX: 0000400000000100 RSI: 0000400000005900 RDI: 00007efc3f750eb0 RBP: 0000400000000100 R08: 00007efc3f750ef0 R09: 0000000001000083 R10: 0000000001000083 R11: 0000000000000246 R12: 0000400000005900 R13: 00007efc3f750eb0 R14: 0000000000005a3f R15: 0000400000000140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:633 Code: f5 fa ff ff e8 b7 c2 75 fd 90 0f 0b e8 af c2 75 fd 90 0f 0b e8 a7 c2 75 fd 90 0f 0b e8 9f c2 75 fd 90 0f 0b e8 97 c2 75 fd 90 <0f> 0b e8 8f c2 75 fd 90 0f 0b e8 87 c2 75 fd 90 0f 0b e8 7f c2 75 RSP: 0018:ffffc9000d4e6260 EFLAGS: 00010283 RAX: ffffffff844c1c79 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e4ea000 RSI: 000000000007263c RDI: 000000000007263d RBP: dffffc0000000000 R08: ffffffff844c14cc R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2079f2f R12: ffff88805443d800 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888055a40033 FS: 00007efc3f7516c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff1cbc4038 CR3: 000000004030e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400