btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key R 0:0:32767 durability: 1 ptr: 0:38:0 gen 0 bcachefs (loop0): error validating btree node on loop0 at btree dirents level 0/0 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 node offset 8/24 bset u64s 6: checksum error, type none: got should be , fixing bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=dirents level=0 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 invalid bkey in btree_node btree=snapshots level=0: u64s 8 type snapshot 0:4278190207:4278190080 len 0 ver 0: is_subvol 1 deleted 0 parent 0 children 0 0 subvol 1 tree 0 nonzero snapshot: delete?, fixing bcachefs (loop0): flagging btree snapshots lost data error reading btree root btree=snapshots level=0: btree_node_read_error, fixing invalid bkey in btree_node btree=lru level=0: u64s 5 type set 18446462598867058688:34:0 len 3072 ver 0 size != 0: delete?, fixing bcachefs (loop0): flagging btree lru lost data bcachefs (loop0): running explicit recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) error reading btree root btree=lru level=0: btree_node_read_error, fixing 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 4398046511104: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 node offset 0/32: incorrect min_key: got 117:0:0 should be POS_MIN bcachefs (loop0): flagging btree freespace lost data error reading btree root btree=freespace level=0: btree_node_read_error, fixing bcachefs (loop0): error validating btree node 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 bset byte offset 96: keys out of order: u64s 9 type backpointer 281436322004992:7077888:0 len 0 ver 0 > u64s 9 type backpointer 62976:7340032:0 len 0 ver 0, 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): error validating btree node on loop0 at btree deleted_inodes level 0/0 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 node offset 0/8 bset u64s 0: invalid bkey format: field 2 too large: 4294967295 + 458752 > 4294967295 u64s 3 fields 64:0, 64:0, 32:458752, 0:0, 0:0, 0:0 bcachefs (loop0): flagging btree deleted_inodes lost data error reading btree root btree=deleted_inodes level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 1 nodes after overwrites done bcachefs (loop0): check_topology... bcachefs (loop0): btree root extents unreadable, must recover from scan no nodes found for btree extents, continuing bcachefs (loop0): btree root snapshots unreadable, must recover from scan no nodes found for btree snapshots, continuing bcachefs (loop0): btree root deleted_inodes unreadable, must recover from scan no nodes found for btree deleted_inodes, continuing done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:633! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #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_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:633 Code: f5 fa ff ff e8 67 cd 7e fd 90 0f 0b e8 5f cd 7e fd 90 0f 0b e8 57 cd 7e fd 90 0f 0b e8 4f cd 7e fd 90 0f 0b e8 47 cd 7e fd 90 <0f> 0b e8 3f cd 7e fd 90 0f 0b e8 37 cd 7e fd 90 0f 0b e8 2f cd 7e RSP: 0018:ffffc9000d536260 EFLAGS: 00010283 RAX: ffffffff844090d9 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e74a000 RSI: 0000000000077acc RDI: 0000000000077acd RBP: dffffc0000000000 R08: ffffffff8440892c R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2036a2f R12: ffff888054526000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888055e00033 FS: 00007f2dacdf56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005607c8498058 CR3: 0000000041102000 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:787 [inline] bch2_btree_path_traverse_one+0x108b/0x2930 fs/bcachefs/btree_iter.c:1203 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2270 [inline] bch2_btree_iter_peek_max+0xc06/0x6320 fs/bcachefs/btree_iter.c:2367 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:681 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:675 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:735 [inline] bch2_check_allocations+0x1309/0x6aa0 fs/bcachefs/btree_gc.c:1038 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x265a/0x3de0 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x610 fs/bcachefs/super.c:1030 bch2_fs_get_tree+0xd8d/0x1740 fs/bcachefs/fs.c:2203 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088 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: 0033:0x7f2db098e54a 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:00007f2dacdf4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2dacdf4ef0 RCX: 00007f2db098e54a RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f2dacdf4eb0 RBP: 0000000020000040 R08: 00007f2dacdf4ef0 R09: 0000000002200006 R10: 0000000002200006 R11: 0000000000000246 R12: 0000000020000080 R13: 00007f2dacdf4eb0 R14: 0000000000005a50 R15: 00000000200000c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_level_init+0x9ca/0x9f0 fs/bcachefs/btree_iter.c:633 Code: f5 fa ff ff e8 67 cd 7e fd 90 0f 0b e8 5f cd 7e fd 90 0f 0b e8 57 cd 7e fd 90 0f 0b e8 4f cd 7e fd 90 0f 0b e8 47 cd 7e fd 90 <0f> 0b e8 3f cd 7e fd 90 0f 0b e8 37 cd 7e fd 90 0f 0b e8 2f cd 7e RSP: 0018:ffffc9000d536260 EFLAGS: 00010283 RAX: ffffffff844090d9 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000e74a000 RSI: 0000000000077acc RDI: 0000000000077acd RBP: dffffc0000000000 R08: ffffffff8440892c R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff2036a2f R12: ffff888054526000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888055e00033 FS: 00007f2dacdf56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005607c8498058 CR3: 0000000041102000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400