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 1.25: extent_flags 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): invalid bkey in btree_node btree=extents level=0: u64s 7 type xattr 536870913:24:U32_MAX len 24 ver 0: (unknown type 30): value too small (2 < 1543), deleting bcachefs (loop0): invalid bkey in btree_node btree=alloc level=0: u64s 11 type reservation 0:19:0 len 0 ver 0: generation 1 replicas 0 invalid nr_replicas (0), deleting bcachefs (loop0): invalid bkey in btree_node btree=alloc level=0: u64s 15 type alloc_v4 0:35:0 len 0 ver 0: gen 0 oldest_gen 0 data_type btree journal_seq_nonempty 2 journal_seq_empty 0 need_discard 1 need_inc_gen 1 dirty_sectors 256 stripe_sectors 0 cached_sectors 0 stripe 262144 stripe_redundancy 0 io_time[READ] 1 io_time[WRITE] 1 fragmentation 0 bp_start 8 invalid data type (got 3 should be 7), deleting bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree lru level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0 node offset 0/16 bset u64s 0: incorrect max key U64_MAX:18446744073709518847:U32_MAX, btree topology error: bcachefs (loop0): flagging btree lru lost data bcachefs (loop0): error reading btree root btree=lru level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree freespace level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 65535 min_key R 0:0:U32_MAX durability: 1 ptr: 0:29:0 gen 0 node offset 32/65535: btree node data missing: expected 65535 sectors, found 32, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=freespace level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 65535 min_key R 0:0:U32_MAX durability: 1 ptr: 0:29:0 gen 0 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 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0 node offset 16/24 bset u64s 7: unknown checksum type 8, fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=backpointers level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0 bcachefs (loop0): check_topology... done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bcachefs (loop0): 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 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:619! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller #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+0x9dc/0xa00 fs/bcachefs/btree_iter.c:619 Code: e9 fa ff ff e8 75 ea 6b fd 90 0f 0b e8 6d ea 6b fd 90 0f 0b e8 65 ea 6b fd 90 0f 0b e8 5d ea 6b fd 90 0f 0b e8 55 ea 6b fd 90 <0f> 0b e8 4d ea 6b fd 90 0f 0b e8 45 ea 6b fd 90 0f 0b e8 3d ea 6b RSP: 0018:ffffc9000d3a6200 EFLAGS: 00010287 RAX: ffffffff84576acb RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e36a000 RSI: 00000000000947d1 RDI: 00000000000947d2 RBP: dffffc0000000000 R08: ffffffff8457630c R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a74c34 R12: ffff888052d55800 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888056940033 FS: 00007ffb2d9506c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e45e902038 CR3: 0000000040aee000 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+0x10af/0x2970 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+0xb9b/0x61a0 fs/bcachefs/btree_iter.c:2347 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:702 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:677 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:740 [inline] bch2_check_allocations+0x129b/0x6930 fs/bcachefs/btree_gc.c:1042 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:285 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1069 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4407 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: 0033:0x7ffb2cb8e90a 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:00007ffb2d94fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffb2d94fef0 RCX: 00007ffb2cb8e90a RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007ffb2d94feb0 RBP: 00002000000058c0 R08: 00007ffb2d94fef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000005900 R13: 00007ffb2d94feb0 R14: 00000000000058e6 R15: 0000200000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9dc/0xa00 fs/bcachefs/btree_iter.c:619 Code: e9 fa ff ff e8 75 ea 6b fd 90 0f 0b e8 6d ea 6b fd 90 0f 0b e8 65 ea 6b fd 90 0f 0b e8 5d ea 6b fd 90 0f 0b e8 55 ea 6b fd 90 <0f> 0b e8 4d ea 6b fd 90 0f 0b e8 45 ea 6b fd 90 0f 0b e8 3d ea 6b RSP: 0018:ffffc9000d3a6200 EFLAGS: 00010287 RAX: ffffffff84576acb RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e36a000 RSI: 00000000000947d1 RDI: 00000000000947d2 RBP: dffffc0000000000 R08: ffffffff8457630c R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52001a74c34 R12: ffff888052d55800 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888056940033 FS: 00007ffb2d9506c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e45e902038 CR3: 0000000040aee000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400