syzkaller login: [ 91.836831][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:13561' (ED25519) to the list of known hosts. executing program [ 116.720520][ T5322] loop0: detected capacity change from 0 to 32768 [ 116.748644][ T5322] ================================================================== [ 116.752076][ T5322] BUG: KASAN: slab-use-after-free in diWrite+0x1209/0x1f40 [ 116.755313][ T5322] Write of size 32 at addr ffff8880418c20c0 by task syz-executor173/5322 [ 116.759787][ T5322] [ 116.760832][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz-executor173 Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full) [ 116.760847][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 116.760854][ T5322] Call Trace: [ 116.760860][ T5322] [ 116.760866][ T5322] dump_stack_lvl+0x189/0x250 [ 116.760896][ T5322] ? rcu_is_watching+0x15/0xb0 [ 116.760906][ T5322] ? __kasan_check_byte+0x12/0x40 [ 116.760919][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10 [ 116.760933][ T5322] ? rcu_is_watching+0x15/0xb0 [ 116.760943][ T5322] ? lock_release+0x4b/0x3e0 [ 116.760959][ T5322] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 116.761018][ T5322] ? __virt_addr_valid+0x18c/0x540 [ 116.761032][ T5322] ? __virt_addr_valid+0x469/0x540 [ 116.761045][ T5322] print_report+0xb4/0x290 [ 116.761058][ T5322] ? diWrite+0x1209/0x1f40 [ 116.761073][ T5322] kasan_report+0x118/0x150 [ 116.761085][ T5322] ? diWrite+0x1209/0x1f40 [ 116.761101][ T5322] kasan_check_range+0x29a/0x2b0 [ 116.761114][ T5322] ? diWrite+0x1209/0x1f40 [ 116.761128][ T5322] __asan_memcpy+0x40/0x70 [ 116.761139][ T5322] diWrite+0x1209/0x1f40 [ 116.761157][ T5322] txCommit+0x852/0x5430 [ 116.761174][ T5322] ? txLock+0xaf3/0x1cb0 [ 116.761189][ T5322] ? __pfx_txCommit+0x10/0x10 [ 116.761205][ T5322] ? rcu_is_watching+0x15/0xb0 [ 116.761215][ T5322] ? __mark_inode_dirty+0x3ab/0xdf0 [ 116.761232][ T5322] add_missing_indices+0x87d/0xbc0 [ 116.761247][ T5322] ? __pfx_add_missing_indices+0x10/0x10 [ 116.761258][ T5322] ? set_page_refcounted+0xa0/0x1e0 [ 116.761273][ T5322] ? alloc_pages_noprof+0xbe/0x190 [ 116.761287][ T5322] jfs_readdir+0x1da4/0x3ac0 [ 116.761305][ T5322] ? __lock_acquire+0xaac/0xd20 [ 116.761319][ T5322] ? __pfx_jfs_readdir+0x10/0x10 [ 116.761335][ T5322] ? down_write+0x162/0x1f0 [ 116.761349][ T5322] ? __pfx_down_write+0x10/0x10 [ 116.761365][ T5322] ? __pfx_jfs_readdir+0x10/0x10 [ 116.761376][ T5322] wrap_directory_iterator+0x93/0xe0 [ 116.761390][ T5322] iterate_dir+0x5ac/0x770 [ 116.761403][ T5322] __se_sys_getdents64+0xe4/0x260 [ 116.761415][ T5322] ? exc_page_fault+0x68/0x110 [ 116.761429][ T5322] ? __pfx___se_sys_getdents64+0x10/0x10 [ 116.761441][ T5322] ? __pfx_filldir64+0x10/0x10 [ 116.761454][ T5322] ? do_syscall_64+0xba/0x210 [ 116.761470][ T5322] do_syscall_64+0xf6/0x210 [ 116.761484][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 116.761497][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 116.761508][ T5322] RIP: 0033:0x7f374fcd0499 [ 116.761520][ T5322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 116.761529][ T5322] RSP: 002b:00007ffe7b652b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 116.761542][ T5322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f374fcd0499 [ 116.761550][ T5322] RDX: 0000000000000099 RSI: 0000200000000400 RDI: 0000000000000005 [ 116.761558][ T5322] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 116.761565][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe7b652b60 [ 116.761572][ T5322] R13: 00007ffe7b652ba0 R14: 0000000001000000 R15: 0000000000000003 [ 116.761584][ T5322] [ 116.761588][ T5322] [ 116.892950][ T5322] Allocated by task 5269: [ 116.894668][ T5322] kasan_save_track+0x3e/0x80 [ 116.896588][ T5322] __kasan_slab_alloc+0x6c/0x80 [ 116.898652][ T5322] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 116.900904][ T5322] vm_area_dup+0x28/0x540 [ 116.902751][ T5322] __split_vma+0x1a0/0x9b0 [ 116.904526][ T5322] vma_modify+0x327/0x460 [ 116.906371][ T5322] vma_modify_flags+0x1e8/0x230 [ 116.908642][ T5322] mprotect_fixup+0x400/0x9b0 [ 116.910913][ T5322] do_mprotect_pkey+0x8cd/0xce0 [ 116.912810][ T5322] __x64_sys_mprotect+0x80/0x90 [ 116.914870][ T5322] do_syscall_64+0xf6/0x210 [ 116.916766][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 116.919212][ T5322] [ 116.920284][ T5322] Freed by task 15: [ 116.921729][ T5322] kasan_save_track+0x3e/0x80 [ 116.923638][ T5322] kasan_save_free_info+0x46/0x50 [ 116.925821][ T5322] __kasan_slab_free+0x62/0x70 [ 116.927813][ T5322] slab_free_after_rcu_debug+0x127/0x290 [ 116.930189][ T5322] rcu_core+0xca8/0x1710 [ 116.932098][ T5322] handle_softirqs+0x286/0x870 [ 116.934212][ T5322] run_ksoftirqd+0x9b/0x100 [ 116.936239][ T5322] smpboot_thread_fn+0x542/0xa60 [ 116.938299][ T5322] kthread+0x70e/0x8a0 [ 116.940194][ T5322] ret_from_fork+0x4b/0x80 [ 116.941982][ T5322] ret_from_fork_asm+0x1a/0x30 [ 116.944006][ T5322] [ 116.945030][ T5322] Last potentially related work creation: [ 116.947348][ T5322] kasan_save_stack+0x3e/0x60 [ 116.949223][ T5322] kasan_record_aux_stack+0xbc/0xd0 [ 116.951373][ T5322] kmem_cache_free+0x2ee/0x3f0 [ 116.953293][ T5322] exit_mmap+0x593/0xba0 [ 116.954913][ T5322] __mmput+0x118/0x420 [ 116.956419][ T5322] exit_mm+0x1da/0x2c0 [ 116.957972][ T5322] do_exit+0x859/0x2550 [ 116.959763][ T5322] do_group_exit+0x21c/0x2d0 [ 116.961593][ T5322] __x64_sys_exit_group+0x3f/0x40 [ 116.963580][ T5322] x64_sys_call+0x21ba/0x21c0 [ 116.965538][ T5322] do_syscall_64+0xf6/0x210 [ 116.967536][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 116.970271][ T5322] [ 116.971517][ T5322] The buggy address belongs to the object at ffff8880418c2000 [ 116.971517][ T5322] which belongs to the cache vm_area_struct of size 256 [ 116.978657][ T5322] The buggy address is located 192 bytes inside of [ 116.978657][ T5322] freed 256-byte region [ffff8880418c2000, ffff8880418c2100) [ 116.984786][ T5322] [ 116.985901][ T5322] The buggy address belongs to the physical page: [ 116.988700][ T5322] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880418c2500 pfn:0x418c2 [ 116.993583][ T5322] flags: 0x4fff00000000200(workingset|node=1|zone=1|lastcpupid=0x7ff) [ 116.997280][ T5322] page_type: f5(slab) [ 116.999015][ T5322] raw: 04fff00000000200 ffff88803044fb40 ffffea0000fcdd90 ffffea0000ff6790 [ 117.002569][ T5322] raw: ffff8880418c2500 00000000000c0009 00000000f5000000 0000000000000000 [ 117.006017][ T5322] page dumped because: kasan: bad access detected [ 117.008511][ T5322] page_owner tracks the page as allocated [ 117.010856][ T5322] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5003, tgid 5003 (S40network), ts 52435879772, free_ts 52419404930 [ 117.018531][ T5322] post_alloc_hook+0x1d8/0x230 [ 117.020571][ T5322] get_page_from_freelist+0x21ce/0x22b0 [ 117.022768][ T5322] __alloc_frozen_pages_noprof+0x181/0x370 [ 117.024961][ T5322] alloc_pages_mpol+0x232/0x4a0 [ 117.027003][ T5322] allocate_slab+0x8a/0x3b0 [ 117.028945][ T5322] ___slab_alloc+0xbfc/0x1480 [ 117.031105][ T5322] kmem_cache_alloc_noprof+0x283/0x3c0 [ 117.033404][ T5322] vm_area_alloc+0x24/0x140 [ 117.035329][ T5322] mmap_region+0xcf4/0x1e50 [ 117.037253][ T5322] do_mmap+0xc68/0x1100 [ 117.039013][ T5322] vm_mmap_pgoff+0x31b/0x4c0 [ 117.040978][ T5322] ksys_mmap_pgoff+0x51f/0x760 [ 117.043006][ T5322] do_syscall_64+0xf6/0x210 [ 117.044885][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 117.047367][ T5322] page last free pid 15 tgid 15 stack trace: [ 117.049953][ T5322] __free_frozen_pages+0xb0e/0xcd0 [ 117.052124][ T5322] __tlb_remove_table+0x2d2/0x3b0 [ 117.054215][ T5322] tlb_remove_table_rcu+0x85/0x100 [ 117.056400][ T5322] rcu_core+0xca8/0x1710 [ 117.058009][ T5322] handle_softirqs+0x286/0x870 [ 117.060029][ T5322] run_ksoftirqd+0x9b/0x100 [ 117.061976][ T5322] smpboot_thread_fn+0x542/0xa60 [ 117.064130][ T5322] kthread+0x70e/0x8a0 [ 117.065877][ T5322] ret_from_fork+0x4b/0x80 [ 117.067734][ T5322] ret_from_fork_asm+0x1a/0x30 [ 117.069857][ T5322] [ 117.070760][ T5322] Memory state around the buggy address: [ 117.072757][ T5322] ffff8880418c1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 117.076008][ T5322] ffff8880418c2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 117.079188][ T5322] >ffff8880418c2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 117.082247][ T5322] ^ [ 117.084579][ T5322] ffff8880418c2100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 117.087736][ T5322] ffff8880418c2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 117.090960][ T5322] ================================================================== [ 117.276438][ T5322] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 117.279672][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz-executor173 Not tainted 6.15.0-rc7-syzkaller-00014-gd608703fcdd9 #0 PREEMPT(full) [ 117.284814][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 117.289288][ T5322] Call Trace: [ 117.290760][ T5322] [ 117.292075][ T5322] dump_stack_lvl+0x99/0x250 [ 117.294140][ T5322] ? __asan_memcpy+0x40/0x70 [ 117.296127][ T5322] ? __pfx_dump_stack_lvl+0x10/0x10 [ 117.298329][ T5322] ? __pfx__printk+0x10/0x10 [ 117.300408][ T5322] panic+0x2db/0x790 [ 117.302082][ T5322] ? __pfx_preempt_schedule+0x10/0x10 [ 117.304344][ T5322] ? __pfx_panic+0x10/0x10 [ 117.306359][ T5322] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 117.308965][ T5322] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 117.311734][ T5322] ? diWrite+0x1209/0x1f40 [ 117.313751][ T5322] check_panic_on_warn+0x89/0xb0 [ 117.315948][ T5322] ? diWrite+0x1209/0x1f40 [ 117.317875][ T5322] end_report+0x78/0x160 [ 117.319837][ T5322] kasan_report+0x129/0x150 [ 117.321873][ T5322] ? diWrite+0x1209/0x1f40 [ 117.323789][ T5322] kasan_check_range+0x29a/0x2b0 [ 117.325835][ T5322] ? diWrite+0x1209/0x1f40 [ 117.327844][ T5322] __asan_memcpy+0x40/0x70 [ 117.329756][ T5322] diWrite+0x1209/0x1f40 [ 117.331612][ T5322] txCommit+0x852/0x5430 [ 117.333469][ T5322] ? txLock+0xaf3/0x1cb0 [ 117.335411][ T5322] ? __pfx_txCommit+0x10/0x10 [ 117.337529][ T5322] ? rcu_is_watching+0x15/0xb0 [ 117.339719][ T5322] ? __mark_inode_dirty+0x3ab/0xdf0 [ 117.342002][ T5322] add_missing_indices+0x87d/0xbc0 [ 117.344234][ T5322] ? __pfx_add_missing_indices+0x10/0x10 [ 117.346748][ T5322] ? set_page_refcounted+0xa0/0x1e0 [ 117.349087][ T5322] ? alloc_pages_noprof+0xbe/0x190 [ 117.351379][ T5322] jfs_readdir+0x1da4/0x3ac0 [ 117.353439][ T5322] ? __lock_acquire+0xaac/0xd20 [ 117.355591][ T5322] ? __pfx_jfs_readdir+0x10/0x10 [ 117.357796][ T5322] ? down_write+0x162/0x1f0 [ 117.359932][ T5322] ? __pfx_down_write+0x10/0x10 [ 117.361825][ T5322] ? __pfx_jfs_readdir+0x10/0x10 [ 117.363912][ T5322] wrap_directory_iterator+0x93/0xe0 [ 117.366167][ T5322] iterate_dir+0x5ac/0x770 [ 117.368103][ T5322] __se_sys_getdents64+0xe4/0x260 [ 117.370199][ T5322] ? exc_page_fault+0x68/0x110 [ 117.372299][ T5322] ? __pfx___se_sys_getdents64+0x10/0x10 [ 117.374759][ T5322] ? __pfx_filldir64+0x10/0x10 [ 117.376850][ T5322] ? do_syscall_64+0xba/0x210 [ 117.378989][ T5322] do_syscall_64+0xf6/0x210 [ 117.381042][ T5322] ? clear_bhb_loop+0x60/0xb0 [ 117.383071][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 117.385610][ T5322] RIP: 0033:0x7f374fcd0499 [ 117.387564][ T5322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 117.395794][ T5322] RSP: 002b:00007ffe7b652b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 117.399476][ T5322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f374fcd0499 [ 117.402990][ T5322] RDX: 0000000000000099 RSI: 0000200000000400 RDI: 0000000000000005 [ 117.406489][ T5322] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 117.410031][ T5322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe7b652b60 [ 117.413514][ T5322] R13: 00007ffe7b652ba0 R14: 0000000001000000 R15: 0000000000000003 [ 117.417013][ T5322] [ 117.418661][ T5322] Kernel Offset: disabled [ 117.420723][ T5322] Rebooting in 86400 seconds.. VM DIAGNOSIS: 09:06:16 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000073 RBX=0000000000000073 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d576f50 R8 =ffff888000bc8237 R9 =1ffff11000179046 R10=dffffc0000000000 R11=ffffffff853e17f0 R12=dffffc0000000000 R13=ffffffff99850c61 R14=ffffffff99b55c40 R15=0000000000000000 RIP=ffffffff853e186c 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 00005555584dc380 ffffffff 00c00000 GS =0000 ffff88808d6c2000 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=00007f374fd4e0f8 CR3=0000000042dbd000 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=00000000ffffffff Opmask01=0000000000000006 Opmask02=0000000000000007 Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0073657479625f6e 695f65676173752e ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6522a0 00007ffe7b652280 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6523e0 00007ffe7b652260 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6522a0 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6523e0 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6523e0 00007ffe7b652260 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe7b6522a0 00007ffe7b652280 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 0000000000000000 0000000000000000 0000000000000000 000000000073666a ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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