bcachefs (loop0): flagging btree alloc lost data bcachefs (loop0): error reading btree root btree=alloc level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree subvolumes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 node offset 0/16 bset u64s 0: checksum error, type chacha20_poly1305_128: got c501fe3a8c1e989f3650e5ebd3ab150f should be bff45ac871db9bfa3686500c30b7d82f, shutting down 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 snapshots level 0/0 u64s 11 type btree_ptr_v2 U64_MAX:18446744069414584322:U32_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key SPOS_MAX, 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): bcachefs (loop0): error validating btree node on loop0 at btree backpointers level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 3b468546fb27822d written 24 min_key POS_MIN durability: 1 ptr: 0:36:0 gen 0 node offset 0/24 bset u64s 0: checksum error, type chacha20_poly1305_128: got 2acad9df37735e28abe14efba46ddb5b should be 19c247df4dc9e0e94a3013de514d1230, shutting down bcachefs (loop0): flagging btree backpointers lost data bcachefs (loop0): error reading btree root btree=backpointers level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 6 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=inodes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 bcachefs (loop0): Topology repair: unreadable btree node at btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bcachefs (loop0): empty interior btree node at btree=inodes level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root inodes bcachefs (loop0): btree root xattrs unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1b881868e2a6abe1 written 256 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 bcachefs (loop0): Topology repair: unreadable btree node at btree=xattrs level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1b881868e2a6abe1 written 256 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing bcachefs (loop0): empty interior btree node at btree=xattrs level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root xattrs bcachefs (loop0): btree root subvolumes unreadable, must recover from scan bcachefs (loop0): no nodes found for btree subvolumes, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=snapshots level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 bcachefs (loop0): Topology repair: unreadable btree node at btree=snapshots level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing bcachefs (loop0): empty interior btree node at btree=snapshots level=1 u64s 5 type btree_ptr SPOS_MAX len 0 ver 0, fixing bcachefs (loop0): empty btree root snapshots done bcachefs (loop0): accounting_read... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:619! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #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+0x9ed/0xa20 fs/bcachefs/btree_iter.c:619 Code: c1 0f 8c 9a fb ff ff 4c 89 f7 e8 fe d5 06 fe e9 8d fb ff ff e8 54 e1 a4 fd 90 0f 0b e8 4c e1 a4 fd 90 0f 0b e8 44 e1 a4 fd 90 <0f> 0b e8 3c e1 a4 fd 90 0f 0b e8 34 e1 a4 fd 90 0f 0b e8 2c e1 a4 RSP: 0018:ffffc9000d73e808 EFLAGS: 00010287 RAX: ffffffff841add8c RBX: ffff888041518268 RCX: 0000000000100000 RDX: ffffc9000e072000 RSI: 0000000000093f9b RDI: 0000000000093f9c RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001ae7cf8 R12: 3d46193e06deb4eb R13: 0000000000000000 R14: dffffc0000000000 R15: 045e1f583088e4de FS: 00007f92f23f56c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fcf4e2a048 CR3: 000000004216e000 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_accounting_read+0xd49/0x5590 fs/bcachefs/disk_accounting.c:724 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:1083 bch2_fs_get_tree+0xd99/0x1340 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: 0033:0x7f92f5f9010a 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:00007f92f23f4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f92f23f4ef0 RCX: 00007f92f5f9010a RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007f92f23f4eb0 RBP: 0000200000000000 R08: 00007f92f23f4ef0 R09: 0000000002a18414 R10: 0000000002a18414 R11: 0000000000000246 R12: 0000200000000100 R13: 00007f92f23f4eb0 R14: 000000000000f611 R15: 0000200000000240 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9ed/0xa20 fs/bcachefs/btree_iter.c:619 Code: c1 0f 8c 9a fb ff ff 4c 89 f7 e8 fe d5 06 fe e9 8d fb ff ff e8 54 e1 a4 fd 90 0f 0b e8 4c e1 a4 fd 90 0f 0b e8 44 e1 a4 fd 90 <0f> 0b e8 3c e1 a4 fd 90 0f 0b e8 34 e1 a4 fd 90 0f 0b e8 2c e1 a4 RSP: 0018:ffffc9000d73e808 EFLAGS: 00010287 RAX: ffffffff841add8c RBX: ffff888041518268 RCX: 0000000000100000 RDX: ffffc9000e072000 RSI: 0000000000093f9b RDI: 0000000000093f9c RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001ae7cf8 R12: 3d46193e06deb4eb R13: 0000000000000000 R14: dffffc0000000000 R15: 045e1f583088e4de FS: 00007f92f23f56c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fcf4e2a048 CR3: 000000004216e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400