got: u64s 5 type deleted 0:7077888:0 len 0 ver 0 want: u64s 9 type backpointer 0:7077888:0 len 0 ver 0: bucket=0:27:0 btree=extents l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=extents l=0 u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0 got: u64s 5 type deleted 0:8912896:0 len 0 ver 0 want: u64s 9 type backpointer 0:8912896:0 len 0 ver 0: bucket=0:34:0 btree=extents l=0 offset=0:0 len=8 pos=4099:8:U32_MAX, fixing missing backpointer for btree=extents l=0 u64s 7 type extent 536870913:24:4294901769 len 24 ver 0: durability: 1 crc: c_size 8 size 24 offset 0 nonce 0 csum none 0:0 compress lz4 ptr: 0:34:8 gen 0 got: u64s 5 type deleted 0:8921088:0 len 0 ver 0 want: u64s 9 type backpointer 0:8921088:0 len 0 ver 0: bucket=0:34:0 btree=extents l=0 offset=8:0 len=8 pos=536870913:24:4294901769, fixing missing backpointer for btree=inodes l=1 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 got: u64s 5 type deleted 0:9961472:0 len 0 ver 0 want: u64s 9 type backpointer 0:9961472:0 len 0 ver 0: bucket=0:38:0 btree=inodes l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=dirents l=1 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 got: u64s 5 type deleted 0:10747904:0 len 0 ver 0 want: u64s 9 type backpointer 0:10747904:0 len 0 ver 0: bucket=0:41:0 btree=dirents l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=xattrs l=1 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 got: u64s 5 type deleted 0:8126464:0 len 0 ver 0 want: u64s 9 type backpointer 0:8126464:0 len 0 ver 0: bucket=0:31:0 btree=xattrs l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=subvolumes l=1 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 got: u64s 5 type deleted 0:9175040:0 len 0 ver 0 want: u64s 9 type backpointer 0:9175040:0 len 0 ver 0: bucket=0:35:0 btree=subvolumes l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=snapshots l=1 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 0 got: u64s 5 type deleted 0:8388608:0 len 0 ver 0 want: u64s 9 type backpointer 0:8388608:0 len 0 ver 0: bucket=0:32:0 btree=snapshots l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=freespace l=1 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 56 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 got: u64s 5 type deleted 0:7602176:0 len 0 ver 0 want: u64s 9 type backpointer 0:7602176:0 len 0 ver 0: bucket=0:29:0 btree=freespace l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing missing backpointer for btree=backpointers l=1 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 40 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0 got: u64s 5 type deleted 0:9699328:0 len 0 ver 0 want: u64s 9 type backpointer 0:9699328:0 len 0 ver 0: bucket=0:37:0 btree=backpointers l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing done bcachefs (loop0): check_alloc_to_lru_refs... missing fragmentation lru entry u64s 13 type alloc_v4 0:34:0 len 0 ver 0: gen 0 oldest_gen 0 data_type user journal_seq 0 need_discard 0 need_inc_gen 0 dirty_sectors 16 stripe_sectors 0 cached_sectors 0 stripe 0 stripe_redundancy 0 io_time[READ] 0 io_time[WRITE] 0 fragmentation 134217728 bp_start 8 , fixing done bcachefs (loop0): check_inodes... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_cmp.h:104! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5108 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00085-g4e46774408d9 #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_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:__bch2_bkey_cmp_packed_format_checked+0x7ef/0x800 fs/bcachefs/bkey.c:1021 Code: fd 90 0f 0b e8 02 8e 83 fd 90 0f 0b e8 fa 8d 83 fd 90 0f 0b e8 f2 8d 83 fd 90 0f 0b e8 ea 8d 83 fd 90 0f 0b e8 e2 8d 83 fd 90 <0f> 0b e8 5a 5c b5 07 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b035e20 EFLAGS: 00010246 RAX: ffffffff841149fe RBX: 1ffff92001606bcc RCX: 0000000000040000 RDX: ffffc9000b852000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000b035f50 R08: ffffffff8411470b R09: 0000000000000000 R10: ffffc9000b035ec0 R11: fffff52001606bda R12: dffffc0000000000 R13: ffffc9000b035ec0 R14: 0000000000000001 R15: 00000000ffffffff FS: 00007f94a37a56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561c068570c8 CR3: 000000001deb2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bkey_cmp_p_or_unp fs/bcachefs/bset.h:291 [inline] bkey_iter_cmp_p_or_unp fs/bcachefs/bset.h:400 [inline] bch2_bset_search_linear fs/bcachefs/bset.c:1189 [inline] bch2_btree_node_iter_init+0x234b/0x4280 fs/bcachefs/bset.c:1334 __btree_path_level_init fs/bcachefs/btree_iter.c:615 [inline] bch2_btree_path_level_init+0x4d2/0x9f0 fs/bcachefs/btree_iter.c:635 btree_path_lock_root fs/bcachefs/btree_iter.c:769 [inline] bch2_btree_path_traverse_one+0x10de/0x2940 fs/bcachefs/btree_iter.c:1170 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:247 [inline] bch2_btree_iter_peek_slot+0x84f/0x2550 fs/bcachefs/btree_iter.c:2616 __bch2_bkey_get_iter+0x10d/0x2a0 fs/bcachefs/btree_iter.h:575 dirent_get_by_pos fs/bcachefs/fsck.c:1173 [inline] inode_get_dirent fs/bcachefs/fsck.c:1188 [inline] check_inode_dirent_inode fs/bcachefs/fsck.c:1209 [inline] check_inode fs/bcachefs/fsck.c:1312 [inline] bch2_check_inodes+0x18f9/0x5080 fs/bcachefs/fsck.c:1466 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:862 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 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: 0033:0x7f94a297feba 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:00007f94a37a4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f94a37a4ef0 RCX: 00007f94a297feba RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007f94a37a4eb0 RBP: 0000000020000040 R08: 00007f94a37a4ef0 R09: 0000000002200006 R10: 0000000002200006 R11: 0000000000000246 R12: 0000000020000080 R13: 00007f94a37a4eb0 R14: 00000000000059ce R15: 0000000020000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] RIP: 0010:__bch2_bkey_cmp_packed_format_checked+0x7ef/0x800 fs/bcachefs/bkey.c:1021 Code: fd 90 0f 0b e8 02 8e 83 fd 90 0f 0b e8 fa 8d 83 fd 90 0f 0b e8 f2 8d 83 fd 90 0f 0b e8 ea 8d 83 fd 90 0f 0b e8 e2 8d 83 fd 90 <0f> 0b e8 5a 5c b5 07 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b035e20 EFLAGS: 00010246 RAX: ffffffff841149fe RBX: 1ffff92001606bcc RCX: 0000000000040000 RDX: ffffc9000b852000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000b035f50 R08: ffffffff8411470b R09: 0000000000000000 R10: ffffc9000b035ec0 R11: fffff52001606bda R12: dffffc0000000000 R13: ffffc9000b035ec0 R14: 0000000000000001 R15: 00000000ffffffff FS: 00007f94a37a56c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561c068570c8 CR3: 000000001deb2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400