Warning: Permanently added '[localhost]:49212' (ED25519) to the list of known hosts. executing program [ 82.272780][ T5303] loop0: detected capacity change from 0 to 32768 [ 82.340362][ T5303] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,usrquota,nojournal_transaction_names [ 82.347684][ T5303] invalid journal entry, version=1.7: mi_btree_bitmap type=data_usage in superblock: invalid journal entry usage: bad size, fixing [ 82.353083][ T5303] invalid journal entry, version=1.7: mi_btree_bitmap type=btree_keys in superblock: k->u64s 0, fixing [ 82.357056][ T5303] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 82.360505][ T5303] bcachefs (loop0): Version upgrade from 1.3: rebalance_work to 1.7: mi_btree_bitmap incomplete [ 82.360505][ T5303] Doing compatible version upgrade from 1.3: rebalance_work to 1.20: directory_size [ 82.360505][ T5303] running recovery passes: check_allocations,check_extents_to_backpointers,check_subvols,check_inodes,check_dirents [ 82.378297][ T5303] bcachefs (loop0): error validating btree node on loop0 at btree snapshots level 0/0 [ 82.378318][ T5303] u64s 11 type btree_ptr_v2 18446742987082825727:U64_MAX:U32_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 [ 82.378327][ T5303] node offset 0/16 bset u64s 0: incorrect max key SPOS_MAX [ 82.391826][ T5303] bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) [ 82.397308][ T5303] bcachefs (loop0): flagging btree snapshots lost data [ 82.400784][ T5303] bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) [ 82.404861][ T5303] bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) [ 82.410542][ T5303] bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) [ 82.416958][ T5303] error reading btree root btree=snapshots level=0: btree_node_read_error, fixing [ 82.425076][ T5303] bcachefs (loop0): scan_for_btree_nodes... [ 82.437681][ T5303] bcachefs (loop0): btree node scan found 7 nodes after overwrites [ 82.443274][ T5303] done [ 82.445399][ T5303] bcachefs (loop0): check_topology... [ 82.446748][ T5303] bcachefs (loop0): btree root snapshots unreadable, must recover from scan [ 82.453493][ T5303] bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=snapshots level=0 POS_MIN - SPOS_MAX [ 82.457780][ T5303] bcachefs (loop0): bch2_get_scanned_nodes(): recovering 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 [ 82.467671][ T5303] done [ 82.469694][ T5303] bcachefs (loop0): accounting_read... done [ 82.472626][ T5303] bcachefs (loop0): alloc_read... done [ 82.474668][ T5303] bcachefs (loop0): stripes_read... done [ 82.476859][ T5303] bcachefs (loop0): snapshots_read... [ 82.477582][ T5303] bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) [ 82.484699][ T5303] done [ 82.485734][ T5303] bcachefs (loop0): check_allocations... [ 82.492755][ T5303] bucket 0:27 gen 0 has wrong data_type: got btree, should be need_discard, fixing [ 82.498407][ T5303] bucket 0:27 gen 0 data type need_discard has wrong dirty_sectors: got 256, should be 0, fixing [ 82.503367][ T5303] bucket 0:31 gen 0 has wrong data_type: got btree, should be need_discard, fixing [ 82.506665][ T5303] bucket 0:31 gen 0 data type need_discard has wrong dirty_sectors: got 256, should be 0, fixing [ 82.510987][ T5303] bucket 0:34 gen 0 has wrong data_type: got user, should be need_discard, fixing [ 82.514434][ T5303] bucket 0:34 gen 0 data type need_discard has wrong dirty_sectors: got 16, should be 0, fixing [ 82.518314][ T5303] bucket 0:38 gen 0 has wrong data_type: got btree, should be need_discard, fixing [ 82.522544][ T5303] bucket 0:38 gen 0 data type need_discard has wrong dirty_sectors: got 256, should be 0, fixing [ 82.526200][ T5303] bucket 0:41 gen 0 has wrong data_type: got btree, should be need_discard, fixing [ 82.529954][ T5303] bucket 0:41 gen 0 data type need_discard has wrong dirty_sectors: got 256, should be 0, fixing [ 82.536364][ T5303] done [ 82.539537][ T5303] bcachefs (loop0): going read-write [ 82.543187][ T5303] bcachefs (loop0): journal_replay... done [ 82.774166][ T5303] bcachefs (loop0): check_lrus... [ 82.774735][ T5303] incorrect lru entry: lru fragmentation time 134217728 [ 82.774756][ T5303] u64s 5 type set 18446462598867058688:34:0 len 0 ver 0 [ 82.774763][ T5303] for u64s 13 type alloc_v4 0:34:0 len 0 ver 0: [ 82.774769][ T5303] gen 0 oldest_gen 0 data_type need_discard [ 82.774775][ T5303] journal_seq_nonempty 5 [ 82.774781][ T5303] journal_seq_empty 134217728 [ 82.774786][ T5303] need_discard 1 [ 82.774792][ T5303] need_inc_gen 1 [ 82.774798][ T5303] dirty_sectors 0 [ 82.774804][ T5303] stripe_sectors 0 [ 82.774809][ T5303] cached_sectors 0 [ 82.774815][ T5303] stripe 0 [ 82.774821][ T5303] stripe_redundancy 0 [ 82.774827][ T5303] io_time[READ] 1 [ 82.774833][ T5303] io_time[WRITE] 512 [ 82.774838][ T5303] fragmentation 0 [ 82.774844][ T5303] bp_start 8 [ 82.774849][ T5303] , fixing [ 82.815569][ T5303] done [ 82.818334][ T5303] bcachefs (loop0): check_backpointers_to_extents... done [ 82.823305][ T5303] bcachefs (loop0): check_extents_to_backpointers... [ 82.824340][ T5303] bcachefs (loop0): scanning for missing backpointers in 4/128 buckets [ 82.830608][ T5303] done [ 82.833079][ T5303] bcachefs (loop0): reconstruct_snapshots... done [ 82.836739][ T5303] bcachefs (loop0): check_subvols... [ 82.837280][ T5303] subvolume 1 points to missing subvolume root 4096:4294967295, fixing [ 82.843112][ T5303] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 82.847854][ T5303] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 82.851899][ T5303] CPU: 0 UID: 0 PID: 5303 Comm: syz-executor216 Not tainted 6.13.0-syzkaller-02526-gc4b9570cfb63 #0 [ 82.855806][ T5303] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 82.859573][ T5303] RIP: 0010:bch2_subvolume_delete+0x24bc/0x3bb0 [ 82.861881][ T5303] Code: 89 ef 48 8d b4 24 40 04 00 00 e8 bf 41 cc ff 4d 85 ff 75 9d e8 15 d9 49 fd 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 63 12 00 00 45 8b 34 24 44 89 f7 8b 5c 24 [ 82.868856][ T5303] RSP: 0018:ffffc9000d0be760 EFLAGS: 00010246 [ 82.871252][ T5303] RAX: 0000000000000000 RBX: 00000000fffff799 RCX: dffffc0000000000 [ 82.874368][ T5303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d0bebae [ 82.877450][ T5303] RBP: ffffc9000d0bee30 R08: ffffc9000d0bebad R09: 0000000000000000 [ 82.880225][ T5303] R10: ffffc9000d0beba0 R11: fffff52001a17d76 R12: 0000000000000000 [ 82.883063][ T5303] R13: ffff88804351c000 R14: 0000000000000000 R15: fffffffffffff799 [ 82.885915][ T5303] FS: 000055557ca05380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 82.889219][ T5303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.891561][ T5303] CR2: 0000565245a9fa40 CR3: 000000003407e000 CR4: 0000000000352ef0 [ 82.894568][ T5303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.897548][ T5303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.900476][ T5303] Call Trace: [ 82.901818][ T5303] [ 82.902919][ T5303] ? __die_body+0x5f/0xb0 [ 82.904507][ T5303] ? die_addr+0xb0/0xe0 [ 82.906061][ T5303] ? exc_general_protection+0x3dd/0x5d0 [ 82.908151][ T5303] ? asm_exc_general_protection+0x26/0x30 [ 82.910297][ T5303] ? bch2_subvolume_delete+0x24bc/0x3bb0 [ 82.912352][ T5303] ? bch2_subvolume_delete+0x579/0x3bb0 [ 82.914452][ T5303] ? kfree+0x196/0x430 [ 82.915891][ T5303] ? __pfx_bch2_subvolume_delete+0x10/0x10 [ 82.918192][ T5303] ? bch2_fs_get_tree+0xd8d/0x1740 [ 82.920555][ T5303] ? do_syscall_64+0xf3/0x230 [ 82.922424][ T5303] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.924978][ T5303] ? mark_lock+0x9a/0x360 [ 82.926630][ T5303] ? bch2_subvolume_delete+0x579/0x3bb0 [ 82.928750][ T5303] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.931040][ T5303] ? bch2_subvolume_delete+0x579/0x3bb0 [ 82.933174][ T5303] ? bch2_printbuf_exit+0x6d/0xa0 [ 82.935193][ T5303] ? bch2_subvolume_delete+0x579/0x3bb0 [ 82.937293][ T5303] ? bch2_printbuf_exit+0x6d/0xa0 [ 82.939238][ T5303] ? bch2_subvolume_delete+0x579/0x3bb0 [ 82.941267][ T5303] bch2_check_subvols+0x1cac/0x3d80 [ 82.943197][ T5303] ? bch2_check_subvols+0x1dd/0x3d80 [ 82.945270][ T5303] ? __pfx_bch2_check_subvols+0x10/0x10 [ 82.947349][ T5303] ? __pfx_prb_read_valid+0x10/0x10 [ 82.949269][ T5303] ? __pfx_console_unlock+0x10/0x10 [ 82.951201][ T5303] ? __bch2_print+0x17a/0x220 [ 82.953035][ T5303] ? bch2_check_subvols+0x1dd/0x3d80 [ 82.955012][ T5303] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.957381][ T5303] bch2_run_recovery_pass+0xf0/0x1e0 [ 82.959276][ T5303] bch2_run_recovery_passes+0x2ad/0xa90 [ 82.961299][ T5303] bch2_fs_recovery+0x265a/0x3de0 [ 82.963184][ T5303] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 82.965170][ T5303] ? __pfx_lock_release+0x10/0x10 [ 82.967001][ T5303] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 82.969118][ T5303] ? __pfx_lock_release+0x10/0x10 [ 82.971005][ T5303] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 82.973152][ T5303] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 82.975355][ T5303] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 82.977425][ T5303] ? llist_reverse_order+0x72/0x90 [ 82.979266][ T5303] bch2_fs_start+0x37c/0x610 [ 82.980981][ T5303] bch2_fs_get_tree+0xd8d/0x1740 [ 82.982827][ T5303] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 82.984841][ T5303] ? generic_parse_monolithic+0x387/0x400 [ 82.986911][ T5303] ? apparmor_capable+0x13b/0x1b0 [ 82.988716][ T5303] vfs_get_tree+0x90/0x2b0 [ 82.990371][ T5303] do_new_mount+0x2be/0xb40 [ 82.992122][ T5303] ? __pfx_do_new_mount+0x10/0x10 [ 82.994064][ T5303] __se_sys_mount+0x2d6/0x3c0 [ 82.995653][ T5303] ? __pfx___se_sys_mount+0x10/0x10 [ 82.997482][ T5303] ? do_syscall_64+0x100/0x230 [ 82.999190][ T5303] ? __x64_sys_mount+0x20/0xc0 [ 83.000981][ T5303] do_syscall_64+0xf3/0x230 [ 83.002690][ T5303] ? clear_bhb_loop+0x35/0x90 [ 83.004443][ T5303] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.006627][ T5303] RIP: 0033:0x7f95e107326a [ 83.008334][ T5303] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48 [ 83.015231][ T5303] RSP: 002b:00007ffde9323ca8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 83.018209][ T5303] RAX: ffffffffffffffda RBX: 00007ffde9323cc0 RCX: 00007f95e107326a [ 83.021014][ T5303] RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007ffde9323cc0 [ 83.023917][ T5303] RBP: 0000000000000004 R08: 00007ffde9323d00 R09: 00000000000058fc [ 83.026695][ T5303] R10: 0000000001000000 R11: 0000000000000282 R12: 0000000001000000 [ 83.029500][ T5303] R13: 00007ffde9323d00 R14: 0000000000000003 R15: 0000000001000000 [ 83.032364][ T5303] [ 83.033503][ T5303] Modules linked in: [ 83.035182][ T5303] ---[ end trace 0000000000000000 ]--- [ 83.042545][ T5303] RIP: 0010:bch2_subvolume_delete+0x24bc/0x3bb0 [ 83.044902][ T5303] Code: 89 ef 48 8d b4 24 40 04 00 00 e8 bf 41 cc ff 4d 85 ff 75 9d e8 15 d9 49 fd 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 63 12 00 00 45 8b 34 24 44 89 f7 8b 5c 24 [ 83.052297][ T5303] RSP: 0018:ffffc9000d0be760 EFLAGS: 00010246 [ 83.054554][ T5303] RAX: 0000000000000000 RBX: 00000000fffff799 RCX: dffffc0000000000 [ 83.057443][ T5303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d0bebae [ 83.060748][ T5303] RBP: ffffc9000d0bee30 R08: ffffc9000d0bebad R09: 0000000000000000 [ 83.063655][ T5303] R10: ffffc9000d0beba0 R11: fffff52001a17d76 R12: 0000000000000000 [ 83.066510][ T5303] R13: ffff88804351c000 R14: 0000000000000000 R15: fffffffffffff799 [ 83.069846][ T5303] FS: 000055557ca05380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 83.073119][ T5303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.075591][ T5303] CR2: 00005621c7fab0f8 CR3: 000000003407e000 CR4: 0000000000352ef0 [ 83.078448][ T5303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.081722][ T5303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.084581][ T5303] Kernel panic - not syncing: Fatal exception [ 83.087037][ T5303] Kernel Offset: disabled [ 83.088647][ T5303] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:41:22 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000030 RBX=ffffffff9a71d940 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d0bde90 R8 =ffffffff8555889b R9 =1ffff11006687046 R10=dffffc0000000000 R11=ffffffff85558850 R12=dffffc0000000000 R13=ffffffff9a417f5c R14=0000000000000030 R15=00000000000003f8 RIP=ffffffff855588ce RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055557ca05380 ffffffff 00c00000 GS =0000 ffff88801fc00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000565245a9fa40 CR3=000000003407e000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000001800001 Opmask01=0000000000000000 Opmask02=00000000ffffffff Opmask03=0000000000000000 Opmask04=00000000fffffbff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffd1b7bc530 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6565656565656565 6565656565656565 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffff0000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00ff0000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3638383935323600 007374656b637562 203832312f34206e 6920737265746e00 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3632323335323600 0073746561637562 2032323125342064 6320737265746400 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a30203a206d6f20 31203a6574696365 6220727300003020 4d5f532030203233 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3020203020203020 2020306520302063 2020205200003020 4539532030203233 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f2a7b6f792a303a 2a786f7c2a3a2a64 6f662a524b475559 455a592a387c5578 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 303a2a30787e7a2a 3b2a30737e636663 686b787f6e2a4443 475559455a2a736f ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000