loop0: detected capacity change from 0 to 32768 bcachefs (/dev/loop0): error reading default superblock: Invalid superblock: too big (got 4696 bytes, layout max 512) bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.13: inode_has_child_snapshots running recovery passes: check_allocations,check_inodes bcachefs (loop0): flagging btree xattrs lost data error reading btree root xattrs l=0: btree_node_read_error, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): flagging btree snapshots lost data error reading btree root snapshots l=0: btree_node_read_error, fixing 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 xattrs l=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-U64_MAX:U64_MAX:4294967281 ptr: 0:31:0 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 xattrs unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovering xattrs l=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4294967281 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 btree node with incorrect max_keyat btree xattrs level 1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4294967281 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): bch2_get_scanned_nodes(): recovering xattrs l=0 U64_MAX:U64_MAX:4294967282 - SPOS_MAX btree node with incorrect max_keyat btree xattrs level 1: parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 child: u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4294967281 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4294967281 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 -> SPOS_MAX ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.c:280! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.12.0-rc7-syzkaller-00012-g3022e9d00ebe #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_node_hash_insert+0x12ed/0x1310 fs/bcachefs/btree_cache.c:280 Code: ea fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 7e df ea fd e9 e5 f7 ff ff e8 34 15 81 fd 90 <0f> 0b e8 2c 15 81 fd 90 0f 0b e8 24 15 81 fd 90 0f 0b e8 0c b2 b3 RSP: 0018:ffffc900017266a0 EFLAGS: 00010246 RAX: ffffffff8413c4dc RBX: ffff888040b36228 RCX: 0000000000040000 RDX: ffffc9000d4a9000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900017267d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000001f001 R12: 1ffff11008166c45 R13: dffffc0000000000 R14: ffff88804fb01a80 R15: ffff888040b36000 FS: 00007fd46a9766c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564f262b4018 CR3: 0000000040562000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_node_max+0x542/0x710 fs/bcachefs/btree_gc.c:188 btree_repair_node_end fs/bcachefs/btree_gc.c:299 [inline] bch2_btree_repair_topology_recurse+0x5630/0x6750 fs/bcachefs/btree_gc.c:425 bch2_check_topology+0x68f/0xb20 fs/bcachefs/btree_gc.c:550 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:238 bch2_fs_recovery+0x25cc/0x39d0 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: 0033:0x7fd469b7feba 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:00007fd46a975e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd46a975ef0 RCX: 00007fd469b7feba RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007fd46a975eb0 RBP: 00000000200058c0 R08: 00007fd46a975ef0 R09: 0000000001000800 R10: 0000000001000800 R11: 0000000000000246 R12: 0000000020005900 R13: 00007fd46a975eb0 R14: 00000000000058ea R15: 0000000020000200 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_btree_node_hash_insert+0x12ed/0x1310 fs/bcachefs/btree_cache.c:280 Code: ea fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 7e df ea fd e9 e5 f7 ff ff e8 34 15 81 fd 90 <0f> 0b e8 2c 15 81 fd 90 0f 0b e8 24 15 81 fd 90 0f 0b e8 0c b2 b3 RSP: 0018:ffffc900017266a0 EFLAGS: 00010246 RAX: ffffffff8413c4dc RBX: ffff888040b36228 RCX: 0000000000040000 RDX: ffffc9000d4a9000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900017267d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000001f001 R12: 1ffff11008166c45 R13: dffffc0000000000 R14: ffff88804fb01a80 R15: ffff888040b36000 FS: 00007fd46a9766c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563b318e0008 CR3: 0000000040562000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400