loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=ro,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names,read_only bcachefs (loop0): recovering from clean shutdown, journal seq 10 bcachefs (loop0): Version upgrade required: Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.24: unwritten_extents to 1.20: directory_size 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): 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 POS_MIN 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 0:32:0 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 POS_MIN durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bucket 0:26 data type btree ptr gen 0 missing in alloc btree while marking 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 bucket 0:38 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing bucket 0:41 data type btree ptr gen 0 missing in alloc btree while marking 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, fixing bucket 0:35 data type btree ptr gen 0 missing in alloc btree while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing bucket 0:32 data type btree ptr gen in the future: 3 > 0 while marking 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 3, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 10 bcachefs (loop0): bch2_gc_mark_key(): error fsck_errors_not_fixed bcachefs (loop0): bch2_gc_btree(): error fsck_errors_not_fixed bcachefs (loop0): bch2_gc_btrees(): error fsck_errors_not_fixed bcachefs (loop0): bch2_check_allocations(): error fsck_errors_not_fixed bcachefs (loop0): bch2_fs_recovery(): error fsck_errors_not_fixed bcachefs (loop0): bch2_fs_start(): error starting filesystem fsck_errors_not_fixed bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete bcachefs: bch2_fs_get_tree() error: fsck_errors_not_fixed loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=ro,metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=zstd,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, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 0 bcachefs (loop0): bch2_fs_recovery(): error fsck_errors_not_fixed bcachefs (loop0): bch2_fs_start(): error starting filesystem fsck_errors_not_fixed bcachefs (loop0): shutting down bcachefs (loop0): shutdown complete bcachefs: bch2_fs_get_tree() error: fsck_errors_not_fixed loop0: detected capacity change from 0 to 1024 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:235! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #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:ext4_write_inline_data+0x382/0x390 fs/ext4/inline.c:235 Code: 89 f9 80 e1 07 fe c1 38 c1 0f 8c 22 ff ff ff 4c 89 ff e8 51 36 ab ff e9 15 ff ff ff e8 a7 17 43 ff 90 0f 0b e8 9f 17 43 ff 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d58f7e0 EFLAGS: 00010283 RAX: ffffffff82804b31 RBX: 000000000000003c RCX: 0000000000100000 RDX: ffffc9000e452000 RSI: 0000000000000344 RDI: 0000000000000345 RBP: 0000000000000001 R08: ffffffff828048d7 R09: 1ffff1100aa48c70 R10: dffffc0000000000 R11: ffffed100aa48c71 R12: 0000010000000006 R13: dffffc0000000000 R14: 0000010000000005 R15: ffffc9000d58f8c0 FS: 00007f0c88e616c0(0000) GS:ffff88808c824000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c7be7fe00 CR3: 000000004378c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x2f9/0xa90 fs/ext4/inline.c:774 generic_perform_write+0x70b/0xa10 mm/filemap.c:4123 ext4_buffered_write_iter+0xc7/0x390 fs/ext4/file.c:299 ext4_file_write_iter+0x891/0x1ce0 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x70f/0xd10 fs/read_write.c:684 ksys_pwrite64 fs/read_write.c:791 [inline] __do_sys_pwrite64 fs/read_write.c:799 [inline] __se_sys_pwrite64 fs/read_write.c:796 [inline] __x64_sys_pwrite64+0x1b5/0x250 fs/read_write.c:796 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0c87f8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f0c88e61038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f0c881a5fa0 RCX: 00007f0c87f8d169 RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000007 RBP: 00007f0c8800e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0c881a5fa0 R15: 00007ffca11b0998 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x382/0x390 fs/ext4/inline.c:235 Code: 89 f9 80 e1 07 fe c1 38 c1 0f 8c 22 ff ff ff 4c 89 ff e8 51 36 ab ff e9 15 ff ff ff e8 a7 17 43 ff 90 0f 0b e8 9f 17 43 ff 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d58f7e0 EFLAGS: 00010283 RAX: ffffffff82804b31 RBX: 000000000000003c RCX: 0000000000100000 RDX: ffffc9000e452000 RSI: 0000000000000344 RDI: 0000000000000345 RBP: 0000000000000001 R08: ffffffff828048d7 R09: 1ffff1100aa48c70 R10: dffffc0000000000 R11: ffffed100aa48c71 R12: 0000010000000006 R13: dffffc0000000000 R14: 0000010000000005 R15: ffffc9000d58f8c0 FS: 00007f0c88e616c0(0000) GS:ffff88808c824000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c88e3ffe0 CR3: 000000004378c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400