Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance bcachefs (loop0): dropping and reconstructing all alloc info bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0 u64s 11 type btree_ptr_v2 18446744073707239423:U64_MAX:U32_MAX len 0 ver 0: seq c6c25c03258c59c5 written 260 min_key R POS_MIN durability: 1 ptr: 0:27:0 gen 0 node offset 16/260: btree node data missing: expected 260 sectors, found 16, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=extents level=0 18446744073707239423:U64_MAX:U32_MAX due to error invalid bkey u64s 18 type inode_v3 0:536870914:U32_MAX len 0 ver 0: mode=100000 flags=(80000) journal_seq=4 hash_seed=d483206f1ed95abf hash_type=crc32c bi_size=100 bi_sectors=8 bi_version=1126999418470400 bi_atime=0 bi_ctime=0 bi_mtime=0 bi_otime=0 bi_uid=0 bi_gid=0 bi_nlink=0 bi_generation=0 bi_dev=0 bi_data_checksum=0 bi_compression=0 bi_project=0 bi_background_compression=0 bi_data_replicas=0 bi_promote_target=0 bi_foreground_target=0 bi_background_target=0 bi_erasure_code=0 bi_fields_set=0 bi_dir=0 bi_dir_offset=0 bi_subvol=0 bi_parent_subvol=0 bi_nocow=0 invalid fields_start (got 0, min 6 max 13): deleting 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 root with incorrect max_key: 18446744073707239423:U64_MAX:U32_MAX, continuing list_del corruption, ffffc9000d0d6588->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-07749-g28eb75e178d3 #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:__list_del_entry_valid_or_report+0xd0/0x140 lib/list_debug.c:52 Code: d6 49 44 fd 48 8b 13 4c 39 fa 75 6b b0 01 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 c7 80 76 60 8c 4c 89 fe e8 91 42 08 07 90 <0f> 0b 48 c7 c7 e0 76 60 8c 4c 89 fe e8 7f 42 08 07 90 0f 0b 48 c7 RSP: 0018:ffffc9000d0d6400 EFLAGS: 00010246 RAX: 0000000000000033 RBX: 0000000000000000 RCX: d92dc108cfe13f00 RDX: ffffc9000e702000 RSI: 000000000004f9e2 RDI: 000000000004f9e3 RBP: ffffc9000d0d6790 R08: ffffffff8174e83c R09: 1ffff92001a1ac1c R10: dffffc0000000000 R11: fffff52001a1ac1d R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d0d6588 FS: 00007f99d9e206c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe765f4f78 CR3: 0000000000a66000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] bch2_journal_iter_exit fs/bcachefs/btree_journal_iter.c:339 [inline] bch2_btree_and_journal_iter_exit+0x2c/0x100 fs/bcachefs/btree_journal_iter.c:443 bch2_btree_node_check_topology+0x13dd/0x2b00 fs/bcachefs/btree_update_interior.c:144 bch2_gc_mark_key+0x1dc/0x10e0 fs/bcachefs/btree_gc.c:588 bch2_gc_btree fs/bcachefs/btree_gc.c:670 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x1c3e/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: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: 0033:0x7f99d8f7ffba 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:00007f99d9e1fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f99d9e1fef0 RCX: 00007f99d8f7ffba RDX: 0000000020000040 RSI: 0000000020000000 RDI: 00007f99d9e1feb0 RBP: 0000000020000040 R08: 00007f99d9e1fef0 R09: 0000000000800000 R10: 0000000000800000 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f99d9e1feb0 R14: 0000000000005996 R15: 00000000200003c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xd0/0x140 lib/list_debug.c:52 Code: d6 49 44 fd 48 8b 13 4c 39 fa 75 6b b0 01 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 c7 80 76 60 8c 4c 89 fe e8 91 42 08 07 90 <0f> 0b 48 c7 c7 e0 76 60 8c 4c 89 fe e8 7f 42 08 07 90 0f 0b 48 c7 RSP: 0018:ffffc9000d0d6400 EFLAGS: 00010246 RAX: 0000000000000033 RBX: 0000000000000000 RCX: d92dc108cfe13f00 RDX: ffffc9000e702000 RSI: 000000000004f9e2 RDI: 000000000004f9e3 RBP: ffffc9000d0d6790 R08: ffffffff8174e83c R09: 1ffff92001a1ac1c R10: dffffc0000000000 R11: fffff52001a1ac1d R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d0d6588 FS: 00007f99d9e206c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bdfe4370e8 CR3: 0000000000a66000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400