io_time[READ] 0 io_time[WRITE] 0 bp_start 8 invalid key type for btree internal btree node (alloc): delete?, fixing 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 1.13: 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): 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 btree=alloc level=0 SPOS_MAX due to error 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 8/24 bset u64s 42: checksum error, type none: got should be , fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=backpointers level=0 SPOS_MAX due to error invalid btree root deleted_inodes, fixing bcachefs (loop0): will run btree node scan bcachefs (loop0): flagging btree deleted_inodes lost data 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 inodes l=0 seq=1 journal_seq=5 cookie=7589ab5e0c11cc7a POS_MIN-SPOS_MAX ptr: 0:38:0 gen 0 dirents l=0 seq=1 journal_seq=1 cookie=9aa2895aefce4bdf POS_MIN-SPOS_MAX ptr: 0:41:0 gen 0 xattrs l=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-SPOS_MAX ptr: 0:31:0 gen 0 subvolumes l=0 seq=1 journal_seq=1 cookie=c0bef60d07ceb940 POS_MIN-SPOS_MAX ptr: 0:35:0 gen 0 snapshots l=0 seq=1 journal_seq=1 cookie=ebb8d5a9e3463bdb POS_MIN-SPOS_MAX ptr: 0:32:0 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 deleted_inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovering deleted_inodes l=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 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0 done 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 0:35 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 0:29 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 e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing bucket 0:42 data type btree stale dirty ptr: 0 < 1 while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0 stale, fixing ------------[ 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: 5313 Comm: syz.0.0 Not tainted 6.13.0-syzkaller #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: ed 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 8e 76 ed fd e9 e5 f7 ff ff e8 f4 0b 87 fd 90 <0f> 0b e8 ec 0b 87 fd 90 0f 0b e8 e4 0b 87 fd 90 0f 0b e8 ec 7d b0 RSP: 0018:ffffc900019cdde0 EFLAGS: 00010287 RAX: ffffffff84186bcc RBX: ffff888011eafa28 RCX: 0000000000100000 RDX: ffffc9000e442000 RSI: 000000000006a673 RDI: 000000000006a674 RBP: ffffc900019cdf10 R08: ffffffff841874b1 R09: 1ffff110023d5f16 R10: dffffc0000000000 R11: ffffed10023d5f17 R12: 1ffff110023d5f45 R13: dffffc0000000000 R14: ffff888054101a80 R15: ffff888011eaf800 FS: 00007f9d615606c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559dc2fc0048 CR3: 000000003ee62000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_node_update_key_early+0xa8d/0xbd0 fs/bcachefs/btree_cache.c:332 bch2_check_fix_ptrs+0x5dc7/0x6530 fs/bcachefs/buckets.c:380 bch2_trigger_extent+0x92c/0xaa0 fs/bcachefs/buckets.c:856 bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline] bch2_gc_mark_key+0x6b5/0x10e0 fs/bcachefs/btree_gc.c:634 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:3511 do_mount fs/namespace.c:3851 [inline] __do_sys_mount fs/namespace.c:4061 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038 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: 0033:0x7f9d607874ca 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:00007f9d6155fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9d6155fef0 RCX: 00007f9d607874ca RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007f9d6155feb0 RBP: 00000000200000c0 R08: 00007f9d6155fef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180 R13: 00007f9d6155feb0 R14: 00000000000059b3 R15: 0000000020000480 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_btree_node_hash_insert+0x12ed/0x1310 fs/bcachefs/btree_cache.c:280 Code: ed 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 8e 76 ed fd e9 e5 f7 ff ff e8 f4 0b 87 fd 90 <0f> 0b e8 ec 0b 87 fd 90 0f 0b e8 e4 0b 87 fd 90 0f 0b e8 ec 7d b0 RSP: 0018:ffffc900019cdde0 EFLAGS: 00010287 RAX: ffffffff84186bcc RBX: ffff888011eafa28 RCX: 0000000000100000 RDX: ffffc9000e442000 RSI: 000000000006a673 RDI: 000000000006a674 RBP: ffffc900019cdf10 R08: ffffffff841874b1 R09: 1ffff110023d5f16 R10: dffffc0000000000 R11: ffffed10023d5f17 R12: 1ffff110023d5f45 R13: dffffc0000000000 R14: ffff888054101a80 R15: ffff888011eaf800 FS: 00007f9d615606c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559dc2fc0048 CR3: 000000003ee62000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400