Warning: Permanently added '[localhost]:11785' (ED25519) to the list of known hosts. executing program syzkaller login: [ 79.898804][ T5306] loop0: detected capacity change from 0 to 32768 [ 79.910012][ T5306] ======================================================= [ 79.910012][ T5306] WARNING: The mand mount option has been deprecated and [ 79.910012][ T5306] and is ignored by this kernel. Remove the mand [ 79.910012][ T5306] option from the mount to silence this warning. [ 79.910012][ T5306] ======================================================= [ 79.966656][ T5306] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 79.986777][ T5306] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 80.004271][ T5306] [ 80.005344][ T5306] ====================================================== [ 80.008296][ T5306] WARNING: possible circular locking dependency detected [ 80.011298][ T5306] 6.15.0-syzkaller-08486-gf66bc387efbe #0 Not tainted [ 80.015197][ T5306] ------------------------------------------------------ [ 80.018036][ T5306] syz-executor874/5306 is trying to acquire lock: [ 80.020628][ T5306] ffff888046973f60 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.025901][ T5306] [ 80.025901][ T5306] but task is already holding lock: [ 80.028805][ T5306] ffff888046973ff8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 80.033114][ T5306] [ 80.033114][ T5306] which lock already depends on the new lock. [ 80.033114][ T5306] [ 80.037545][ T5306] [ 80.037545][ T5306] the existing dependency chain (in reverse order) is: [ 80.041119][ T5306] [ 80.041119][ T5306] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 80.044780][ T5306] lock_acquire+0x120/0x360 [ 80.047193][ T5306] down_read+0x46/0x2e0 [ 80.049224][ T5306] ocfs2_init_acl+0x2f9/0x720 [ 80.051377][ T5306] ocfs2_mknod+0x1321/0x2050 [ 80.053481][ T5306] ocfs2_create+0x1a5/0x440 [ 80.055561][ T5306] path_openat+0x14f4/0x3830 [ 80.057664][ T5306] do_filp_open+0x1fa/0x410 [ 80.059747][ T5306] filp_open+0x176/0x1d0 [ 80.061667][ T5306] do_coredump+0x1bd3/0x3440 [ 80.063802][ T5306] get_signal+0x1109/0x1340 [ 80.065899][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.068620][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.071124][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.073254][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.075978][ T5306] [ 80.075978][ T5306] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 80.079034][ T5306] lock_acquire+0x120/0x360 [ 80.081240][ T5306] start_this_handle+0x1fa7/0x21c0 [ 80.083636][ T5306] jbd2__journal_start+0x2c1/0x5b0 [ 80.085824][ T5306] jbd2_journal_start+0x2a/0x40 [ 80.088127][ T5306] ocfs2_start_trans+0x376/0x6d0 [ 80.090431][ T5306] ocfs2_mknod+0xe93/0x2050 [ 80.092584][ T5306] ocfs2_create+0x1a5/0x440 [ 80.094702][ T5306] path_openat+0x14f4/0x3830 [ 80.096942][ T5306] do_filp_open+0x1fa/0x410 [ 80.099001][ T5306] filp_open+0x176/0x1d0 [ 80.101022][ T5306] do_coredump+0x1bd3/0x3440 [ 80.103103][ T5306] get_signal+0x1109/0x1340 [ 80.105181][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.107726][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.110105][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.112263][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.114954][ T5306] [ 80.114954][ T5306] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 80.118384][ T5306] lock_acquire+0x120/0x360 [ 80.120454][ T5306] down_read+0x46/0x2e0 [ 80.122413][ T5306] ocfs2_start_trans+0x36a/0x6d0 [ 80.125065][ T5306] ocfs2_mknod+0xe93/0x2050 [ 80.127352][ T5306] ocfs2_create+0x1a5/0x440 [ 80.129390][ T5306] path_openat+0x14f4/0x3830 [ 80.131641][ T5306] do_filp_open+0x1fa/0x410 [ 80.133591][ T5306] filp_open+0x176/0x1d0 [ 80.135646][ T5306] do_coredump+0x1bd3/0x3440 [ 80.138025][ T5306] get_signal+0x1109/0x1340 [ 80.140353][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.142890][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.145475][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.147717][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.150360][ T5306] [ 80.150360][ T5306] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 80.153114][ T5306] lock_acquire+0x120/0x360 [ 80.155254][ T5306] ocfs2_start_trans+0x26b/0x6d0 [ 80.157474][ T5306] ocfs2_truncate_file+0x643/0x1420 [ 80.159847][ T5306] ocfs2_setattr+0x1520/0x1b40 [ 80.161962][ T5306] notify_change+0xb36/0xe40 [ 80.163874][ T5306] do_truncate+0x1a4/0x220 [ 80.165828][ T5306] do_coredump+0x2ad3/0x3440 [ 80.167929][ T5306] get_signal+0x1109/0x1340 [ 80.170042][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.172517][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.174902][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.177043][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.179976][ T5306] [ 80.179976][ T5306] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 80.183200][ T5306] validate_chain+0xb9b/0x2140 [ 80.185514][ T5306] __lock_acquire+0xab9/0xd20 [ 80.187451][ T5306] lock_acquire+0x120/0x360 [ 80.189586][ T5306] down_write+0x96/0x1f0 [ 80.191616][ T5306] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.194129][ T5306] ocfs2_truncate_file+0xda0/0x1420 [ 80.196429][ T5306] ocfs2_setattr+0x1520/0x1b40 [ 80.198989][ T5306] notify_change+0xb36/0xe40 [ 80.201273][ T5306] do_truncate+0x1a4/0x220 [ 80.203327][ T5306] do_coredump+0x2ad3/0x3440 [ 80.205445][ T5306] get_signal+0x1109/0x1340 [ 80.207601][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.210152][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.212601][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.214831][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.217408][ T5306] [ 80.217408][ T5306] other info that might help us debug this: [ 80.217408][ T5306] [ 80.221716][ T5306] Chain exists of: [ 80.221716][ T5306] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 80.221716][ T5306] [ 80.227149][ T5306] Possible unsafe locking scenario: [ 80.227149][ T5306] [ 80.230348][ T5306] CPU0 CPU1 [ 80.232655][ T5306] ---- ---- [ 80.235025][ T5306] lock(&oi->ip_xattr_sem); [ 80.237097][ T5306] lock(jbd2_handle); [ 80.239946][ T5306] lock(&oi->ip_xattr_sem); [ 80.243135][ T5306] lock(&oi->ip_alloc_sem); [ 80.245170][ T5306] [ 80.245170][ T5306] *** DEADLOCK *** [ 80.245170][ T5306] [ 80.248658][ T5306] 2 locks held by syz-executor874/5306: [ 80.250782][ T5306] #0: ffff8880469742c0 (&sb->s_type->i_mutex_key#17){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 80.254661][ T5306] #1: ffff888046973ff8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 80.259148][ T5306] [ 80.259148][ T5306] stack backtrace: [ 80.261790][ T5306] CPU: 0 UID: 0 PID: 5306 Comm: syz-executor874 Not tainted 6.15.0-syzkaller-08486-gf66bc387efbe #0 PREEMPT(full) [ 80.261805][ T5306] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 80.261812][ T5306] Call Trace: [ 80.261820][ T5306] [ 80.261826][ T5306] dump_stack_lvl+0x189/0x250 [ 80.261846][ T5306] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.261862][ T5306] ? __pfx__printk+0x10/0x10 [ 80.261874][ T5306] ? print_lock_name+0xde/0x100 [ 80.261885][ T5306] print_circular_bug+0x2ee/0x310 [ 80.261901][ T5306] check_noncircular+0x134/0x160 [ 80.261916][ T5306] validate_chain+0xb9b/0x2140 [ 80.261935][ T5306] __lock_acquire+0xab9/0xd20 [ 80.261948][ T5306] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.261963][ T5306] lock_acquire+0x120/0x360 [ 80.261973][ T5306] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.261991][ T5306] down_write+0x96/0x1f0 [ 80.262005][ T5306] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.262021][ T5306] ? __pfx_down_write+0x10/0x10 [ 80.262035][ T5306] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 80.262051][ T5306] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 80.262066][ T5306] ? up_write+0x1c4/0x420 [ 80.262082][ T5306] ocfs2_truncate_file+0xda0/0x1420 [ 80.262098][ T5306] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 80.262109][ T5306] ? do_raw_spin_unlock+0x4d/0x240 [ 80.262125][ T5306] ? _raw_spin_unlock+0x28/0x50 [ 80.262134][ T5306] ? ocfs2_inode_lock_tracker+0x3ec/0x660 [ 80.262150][ T5306] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 80.262164][ T5306] ? ocfs2_rw_lock+0x13a/0x240 [ 80.262177][ T5306] ? __pfx___dquot_initialize+0x10/0x10 [ 80.262191][ T5306] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 80.262203][ T5306] ? setattr_prepare+0x1e7/0xac0 [ 80.262215][ T5306] ? jbd2_journal_begin_ordered_truncate+0xbb/0x150 [ 80.262229][ T5306] ocfs2_setattr+0x1520/0x1b40 [ 80.262242][ T5306] ? __pfx_ocfs2_setattr+0x10/0x10 [ 80.262253][ T5306] ? ktime_get_coarse_real_ts64_mg+0x52/0x1e0 [ 80.262263][ T5306] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 80.262281][ T5306] ? ns_to_timespec64+0x21/0xb0 [ 80.262291][ T5306] ? ktime_get_coarse_real_ts64_mg+0x175/0x1e0 [ 80.262303][ T5306] ? current_time+0x222/0x370 [ 80.262318][ T5306] ? evm_inode_setattr+0x1b6/0x7d0 [ 80.262332][ T5306] ? __pfx_current_time+0x10/0x10 [ 80.262348][ T5306] ? try_break_deleg+0x79/0x130 [ 80.262357][ T5306] ? __pfx_ocfs2_setattr+0x10/0x10 [ 80.262369][ T5306] notify_change+0xb36/0xe40 [ 80.262383][ T5306] do_truncate+0x1a4/0x220 [ 80.262395][ T5306] ? __pfx_do_truncate+0x10/0x10 [ 80.262406][ T5306] ? filp_open+0x181/0x1d0 [ 80.262424][ T5306] ? getname_kernel+0x20e/0x2f0 [ 80.262440][ T5306] do_coredump+0x2ad3/0x3440 [ 80.262456][ T5306] ? __pfx_do_coredump+0x10/0x10 [ 80.262467][ T5306] ? do_raw_spin_unlock+0x4d/0x240 [ 80.262488][ T5306] ? kasan_save_track+0x4f/0x80 [ 80.262532][ T5306] ? kasan_save_track+0x3e/0x80 [ 80.262542][ T5306] ? kasan_save_free_info+0x46/0x50 [ 80.262556][ T5306] ? __kasan_slab_free+0x62/0x70 [ 80.262567][ T5306] ? kmem_cache_free+0x18f/0x400 [ 80.262581][ T5306] ? get_signal+0xa4c/0x1340 [ 80.262592][ T5306] ? arch_do_signal_or_restart+0x9a/0x750 [ 80.262603][ T5306] ? exit_to_user_mode_loop+0x75/0x110 [ 80.262615][ T5306] ? do_syscall_64+0x2bd/0x3b0 [ 80.262633][ T5306] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.262651][ T5306] ? proc_coredump_connector+0x172/0x4b0 [ 80.262666][ T5306] ? __pfx_proc_coredump_connector+0x10/0x10 [ 80.262683][ T5306] ? _raw_spin_unlock_irq+0x23/0x50 [ 80.262692][ T5306] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.262703][ T5306] get_signal+0x1109/0x1340 [ 80.262720][ T5306] arch_do_signal_or_restart+0x9a/0x750 [ 80.262732][ T5306] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 80.262753][ T5306] ? exit_to_user_mode_loop+0x40/0x110 [ 80.262765][ T5306] exit_to_user_mode_loop+0x75/0x110 [ 80.262776][ T5306] do_syscall_64+0x2bd/0x3b0 [ 80.262787][ T5306] ? lockdep_hardirqs_on+0x9c/0x150 [ 80.262797][ T5306] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.262806][ T5306] ? clear_bhb_loop+0x60/0xb0 [ 80.262818][ T5306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.262829][ T5306] RIP: 0033:0x7fb89e2642c0 [ 80.262840][ T5306] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d c1 dd 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 80.262850][ T5306] RSP: 002b:00007ffca4409408 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 80.262862][ T5306] RAX: 0000000000000003 RBX: 0000000000000004 RCX: 00007fb89e2642c0 [ 80.262869][ T5306] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003 [ 80.262875][ T5306] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555500000000 [ 80.262881][ T5306] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 80.262888][ T5306] R13: 00007fb89e2b79dc R14: 00007fb89e2ae0e2 R15: 00007ffca4409440 [ 80.262899][ T5306] [ 80.501044][ T5306] syz-executor874 (5306) used greatest stack depth: 17768 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program VM DIAGNOSIS: 17:37:13 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000034 RBX=0000000000000034 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc9000d2ae650 R8 =ffff8880337c0237 R9 =1ffff110066f8046 R10=dffffc0000000000 R11=ffffffff8545e3b0 R12=dffffc0000000000 R13=ffffffff99ab292b R14=ffffffff99db7d20 R15=0000000000000000 RIP=ffffffff8545e42c 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 00005555723cf380 ffffffff 00c00000 GS =0000 ffff88808d263000 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=00007fffd5898b3c CR3=0000000035e0d000 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=00000000fefeffd0 Opmask01=0000000000004211 Opmask02=000000007ffeffff Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 44455a494c414954 494e495f43455355 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffff0f0e0d0c0b ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0072736d00313d63 696e61705f6f7400 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff000000000000 ffff000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff0000ff000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ff00000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000ff00000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 415e564b03030e4a 47714f5a4f0c1353 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 434f5c49415c5e55 7a7c617e63670e02 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 3965336265396261 613434322d623333 622d383864342d63 6666352d63333536 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3965336265396261 613434322d623333 622d383864342d63 6666352d63333536 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656431622f646975 752d79622f6b7369 642f7665642f2031 342f7165736b7369 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 003a756b733a322e 392d3533712d6370 7276633a3174633a 554d45516e76633a ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 322e392d3533712d 63707276703a2939 3030322c39484349 2b35335128435064 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7261646e6174536e 703a554d45516e76 733a302e3072623a 343130322f31302f ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343064623a312b32 316f70627e322d33 2e36312e312d6e61 696265642d332e36 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 313731302c453631 302c353631302c34 3631302c33343130 2c323431302c3134 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a544553223d243a 4f472020202c0027 5353455327202400 0a222200005f6964 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