qemu-block-curl-2:4.1.0-66.oe1 >  A b_:PW^^fVj%9m@`GMsyUHϺ_8jɵ;{]goư+&%[j&F!:L 3O xY1ѯH"2>;fYaT3 SΓ^N|3F8%3\LP jY)G[)'nNKu|ꯉTw}ceQ0Z]641>k+ށVj35809a40b603a607d66a603d9978c434609fecd420dc5b37b8c9216f42bf76cffed02fa1079c3af58a1f9dd6c17c006acbed76a7l b_:PW^^fT1tgۜQ]/Z{H]3 {۫%mo-x|zĿZ&t}"Dؾ.UDe7 Fo3˗>_pС@q |k}G{+Tfy y:@& H<vrV8@)mBY 7T z/m.SQJáŕzqԣ8Yo:2.6+&o;<6j l T*S)h͉+`=iksؕ>p=F(?Fd  $ 4hl 06@D F H L  [(w8V9V:VFC&GCTHCXIC\XC`YCh\C]C^CbCcDdDeDfDlDtEuE vE$zEEEEFCqemu-block-curl4.1.066.oe1Qemu-block-curlThis package provides block-curl support for Qemub_8obs-worker1640081563-aarch64-0006openEuler:20.03:LTS:SP2 / standard_aarch64http://openeuler.orgGPLv2 and BSD and MIT and CC-BY-SA-4.0http://openeuler.orgUnspecifiedhttp://www.qemu.orglinuxaarch64聤b_854353574c1ef54ca70f84e2c59251b0eec3466a6b8ca837a3c105d40ca9765e2rootrootqemu-4.1.0-66.oe1.src.rpmqemu-block-curlqemu-block-curl(aarch-64)    rpmlib(CompressedFileNames)rpmlib(FileDigests)rpmlib(PayloadFilesHavePrefix)rpmlib(PayloadIsXz)3.0.4-14.6.0-14.0-15.2-14.15.1bY^@bMbA@aaay?@an@aP`aA@a.aGaS@`t``@`Ȗ@`[`r`!@`O@``Z`@`q`Y`Y`Y`z`y|@`S@`8`/@`x@`__@__@_м@_ _u@_@_"_@_l@_h_d@_[f_G@_3_+_@^@^@^V@^Ǿ^m@^@^^@^I^^^1^1^@^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^@^@^@^@yezengruan yezengruan Jinhao Gao imxcc Chen Qun Chen Qun imxcc Chen Qun Chen Qun imxcc Jiajie Li Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Chen Qun Huawei Technologies Co., Ltd Chen Qun Ming Yang Chuan Zheng imxcc Chen Qun Chuan Zheng Huawei Technologies Co., Ltd Chen Qun Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Prasad J Pandit Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. BALATON Zoltan Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. Huawei Technologies Co., Ltd. - vhost-vsock: detach the virqueue element in case of error (CVE-2022-26354) - virtio-net: fix map leaking on error during receive (CVE-2022-26353)- hw/rdma: Fix possible mremap overflow in the pvrdma device (CVE-2021-3582) - pvrdma: Ensure correct input on ring init (CVE-2021-3607) - pvrdma: Fix the ring init error flow (CVE-2021-3608)- hw/scsi/scsi-disk: MODE_PAGE_ALLS not allowed in MODE SELECT commands(fix CVE-2021-3930)- add Phytium's CPU models: FT-2000+ and Tengyun-S2500- virtio-balloon: apply upstream patch.- fix cve-2020-35504 - fix cve-2020-35505- fix cve-2021-3592 cve-2021-3593 cve-2021-3595- virtio-net: fix use after unmap/free for sg- uas: add stream number sanity checks.- hw/arm/virt:Init PMU for hotplugged vCPU- add qemu-block-curl package - add qemu-block-curl requirement for qemu.- usbredir: fix free call- x86: Intel AVX512_BF16 feature enabling - i386: Add MSR feature bit for MDS-NO - i386: Add macro for stibp - i386: Add new CPU model Cooperlake - target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES - target/i386: Add missed security features to Cooperlake CPU model - target/i386: add PSCHANGE_NO bit for the ARCH_CAPABILITIES MSR - target/i386: Export TAA_NO bit to guests- hw/net/rocker_of_dpa: fix double free bug of rocker device- ide: ahci: add check to avoid null dereference (CVE-2019-12067) - hw/intc/arm_gic: Fix interrupt ID in GICD_SGIR register - usb: limit combined packets to 1 MiB (CVE-2021-3527)- vhost-user-gpu: fix resource leak in 'vg_resource_create_2d' (CVE-2021-3544) - vhost-user-gpu: fix memory leak in vg_resource_attach_backing (CVE-2021-3544) - vhost-user-gpu: fix memory leak while calling 'vg_resource_unref' (CVE-2021-3544) - vhost-user-gpu: fix memory leak in 'virgl_cmd_resource_unref' (CVE-2021-3544) - vhost-user-gpu: fix memory leak in 'virgl_resource_attach_backing' (CVE-2021-3544) - vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545) - vhost-user-gpu: fix OOB write in 'virgl_cmd_get_capset' (CVE-2021-3546)- 9pfs: Fully restart unreclaim loop (CVE-2021-20181)- bugfix: fix Uninitialized Free Vulnerability- hw/pci-host: add pci-intack write method - pci-host: add pcie-msi read method - vfio: add quirk device write method - prep: add ppc-parity write method - nvram: add nrf51_soc flash read method - spapr_pci: add spapr msi read method - tz-ppc: add dummy read/write methods - imx7-ccm: add digprog mmio write method- hw/sd: sdhci: Don't transfer any data when command time out - hw/sd: sdhci: Don't write to SDHC_SYSAD register when transfer is in progress - hw/sd: sdhci: Correctly set the controller status for ADMA - hw/sd: sdhci: Limit block size only when SDHC_BLKSIZE register is writable - hw/sd: sdhci: Reset the data pointer of s->fifo_buffer[] when a different block size is programmed - net: introduce qemu_receive_packet() - e1000: switch to use qemu_receive_packet() for loopback - dp8393x: switch to use qemu_receive_packet() for loopback packet - sungem: switch to use qemu_receive_packet() for loopback - tx_pkt: switch to use qemu_receive_packet_iov() for loopback - rtl8139: switch to use qemu_receive_packet() for loopback - pcnet: switch to use qemu_receive_packet() for loopback - cadence_gem: switch to use qemu_receive_packet() for loopback - lan9118: switch to use qemu_receive_packet() for loopback- scsi: mptsas: dequeue request object in case of an error- add strip for block-iscsi.so, block-rbd.so and block-ssh.so.- arm/cpu: Fixed function undefined error at compile time under arm- add qemu-block-iscsi installing requirement.- migration/dirtyrate: add dirtyrate fearure for migration - migration/multifd-tls: add multifd for tls migration- hw/acpi: build smt processor structure to support smt topology - hw/acpi: Use max_cpus instead of cpus when build PPTT- scsi-bus: Refactor the code that retries requests - scsi-disk: Add support for retry on errors - qapi/block-core: Add retry option for error action - block-backend: Introduce retry timer - block-backend: Add device specific retry callback - block-backend: Enable retry action on errors - block-backend: Add timeout support for retry - block: Add error retry param setting - virtio-blk: Refactor the code that processes queued requests - virtio-blk: On restart, process queued requests in the proper context - virtio_blk: Add support for retry on errors - block-backend: Stop retrying when draining - block: Add sanity check when setting retry parameters- dirtyrate: add migration dirtyrate feature- add qemu-block-rbd package - add qemu-block-ssh package- net: vmxnet3: validate configuration values during activate (CVE-2021-20203)- ide:atapi: check io_buffer_index in ide_atapi_cmd_reply_end- ati: use vga_read_byte in ati_cursor_define - sd: sdhci: assert data_count is within fifo_buffer - msix: add valid.accepts methods to check address- reorder the changelog- memory: clamp cached translation in case it points to an MMIO region- slirp: check pkt_len before reading protocol header for fixing CVE-2020-29129 and CVE-2020-29130- hostmem: Fix up free host_nodes list right after visited- target/arm: Fix write redundant values to kvm- ati: check x y display parameter values- json: Fix a memleak in parse_pair()- hw: usb: hcd-ohci: check for processed TD before retire - hw: ehci: check return value of 'usb_packet_map' - hw: usb: hcd-ohci: check len and frame_number variables - hw/net/e1000e: advance desc_offset in case of null descriptor- net: remove an assert call in eth_get_gso_type- pci: check bus pointer before dereference - hw/ide: check null block before _cancel_dma_sync- enrich commit info for some patches - rename some patches for slirp- target/arm: Add isar_feature tests for PAN + ATS1E1 - target/arm: Add ID_AA64MMFR2_EL1 - target/arm: Add and use FIELD definitions for ID_AA64DFR0_EL1 - target/arm: Use FIELD macros for clearing ID_DFR0 PERFMON field - target/arm: Define an aa32_pmu_8_1 isar feature test function - target/arm: Add _aa64_ and _any_ versions of pmu_8_1 isar checks - target/arm: Stop assuming DBGDIDR always exists - target/arm: Move DBGDIDR into ARMISARegisters - target/arm: Enable ARMv8.2-ATS1E1 in -cpu max - target/arm: Test correct register in aa32_pan and aa32_ats1e1 checks - target/arm: Read debug-related ID registers from KVM - target/arm/monitor: Introduce qmp_query_cpu_model_expansion - target/arm/monitor: query-cpu-model-expansion crashed qemu when using machine type none - target/arm: convert isar regs to array - target/arm: parse cpu feature related options - target/arm: register CPU features for property - target/arm: Allow ID registers to synchronize to KVM - target/arm: introduce CPU feature dependency mechanism - target/arm: introduce KVM_CAP_ARM_CPU_FEATURE - target/arm: Add CPU features to query-cpu-model-expansion - target/arm: Update ID fields - target/arm: Add more CPU features - target/arm: ignore evtstrm and cpuid CPU features - target/arm: Update the ID registers of Kunpeng-920 - target/arm: only set ID_PFR1_EL1.GIC for AArch32 guest - target/arm: clear EL2 and EL3 only when kvm is not enabled- hw-sd-sdhci-Fix-DMA-Transfer-Block-Size-field.patch - hw-xhci-check-return-value-of-usb_packet_map.patch- slirp/src/ip6_input.c: fix out-of-bounds read information vulnerablity- hw/usb/core.c: fix buffer overflow in do_token_setup function- backport upstream patch to support SHPCHotplug in arm- tests: Disalbe filemonitor testcase- es1370: check total frame count against current frame - exec: set map length to zero when returning NULL - ati-vga: check mm_index before recursive call (CVE-2020-13800) - megasas: use unsigned type for reply_queue_head and check index - megasas: avoid NULL pointer dereference - megasas: use unsigned type for positive numeric fields - hw/scsi/megasas: Fix possible out-of-bounds array access in tracepoints- target/arm: Fix PAuth sbox functions - fix two patches' format which can cause git am failed- target/arm: Add the kvm_adjvtime vcpu property for Cortex-A72- Revert: "vtimer: compat cross version migration from v4.0.1" - ARM64: record vtimer tick when cpu is stopped - hw/arm/virt: add missing compat for kvm-no-adjvtime - migration: Compat virtual timer adjust for v4.0.1 and v4.1.0 - vtimer: Drop vtimer virtual timer adjust- ip_reass: Fix use after free - bt: use size_t type for length parameters instead of int - log: Add some logs on VM runtime path- hw/net/xgmac: Fix buffer overflow in xgmac_enet_send() - hw/net/net_tx_pkt: fix assertion failure in net_tx_pkt_add_raw_fragment() - sm501: Convert printf + abort to qemu_log_mask - sm501: Shorten long variable names in sm501_2d_operation - sm501: Use BIT(x) macro to shorten constant - sm501: Clean up local variables in sm501_2d_operation - sm501: Replace hand written implementation with pixman where possible- ide: Fix incorrect handling of some PRDTs in ide_dma_cb() - ati-vga: Fix checks in ati_2d_blt() to avoid crash - slirp: tftp: restrict relative path access- arm/virt: Support CPU cold plug- migration/ram: do error_free after migrate_set_error to avoid memleaks. - migration/ram: fix memleaks in multifd_new_send_channel_async. - migration/rdma: fix a memleak on error path in rdma_start_incoming_migration.- vtimer: compat cross version migration from v4.0.1- migration: backport migration patches from upstream- arm/virt: Add CPU hotplug support- backport patch to enable arm/virt memory hotplug- backport patch to enable target/arm/kvm Adjust virtual time- backport patch bundles from qemu stable v4.1.1- aio-wait: delegate polling of main AioContext if BQL not held - async: use explicit memory barriers- pcie: Add pcie-root-port fast plug/unplug feature - pcie: Compat with devices which do not support Link Width, such as ioh3420- qcow2-bitmap: Fix uint64_t left-shift overflow- COLO-compare: Fix incorrect `if` logic- block/backup: fix max_transfer handling for copy_range - block/backup: fix backup_cow_with_offload for last cluster - qcow2: Limit total allocation range to INT_MAX - mirror: Do not dereference invalid pointers- file-posix: Handle undetectable alignment- vhost: Fix memory region section comparison - memory: Provide an equality function for MemoryRegionSections - memory: Align MemoryRegionSections fields- block/iscsi: use MIN() between mx_sb_len and sb_len_wr - moniter: fix memleak in monitor_fdset_dup_fd_find_remove- tcp_emu: fix unsafe snprintf() usages - util: add slirp_fmt() helpers - slirp: use correct size while emulating commands - slirp: use correct size while emulating IRC commands - tcp_emu: Fix oob access - iscsi: Cap block count from GET LBA STATUS (CVE-2020-1711)- 9pfs: local: Fix possible memory leak in local_link() - scsi-disk: define props in scsi_block_disk to avoid memleaks - arm/translate-a64: fix uninitialized variable warning - block: fix memleaks in bdrv_refresh_filename - vnc: fix memory leak when vnc disconnect - block: fix memleaks in bdrv_refresh_filename- linux headers: update against "KVM/ARM: Fix >256 vcpus" - intc/arm_gic: Support IRQ injection for more than 256 vcpus - ARM: KVM: Check KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 for smp_cpus >- vnc: fix memory leak when vnc disconnect- pcie: disable the PCI_EXP_LINKSTA_DLLA cap for pcie-root-port by default- cpu: add Kunpeng-920 cpu support - cpu: parse +/- feature to avoid failure - cpu: add Cortex-A72 processor kvm target support- vhost-user-scsi: prevent using uninitialized vqs- util/async: hold AioContext ref to prevent use-after-free- xhci: Fix memory leak in xhci_address_slot - xhci: Fix memory leak in xhci_kick_epctx - ehci: fix queue->dev null ptr dereference- tests/bios-tables-test: disable this testcase - hw/arm/virt: Introduce cpu topology support - hw/arm64: add vcpu cache info support- smbios: Add missing member of type 4 for smbios 3.0- bios-tables-test: prepare to change ARM virt ACPI DSDT - arm64: Add the cpufreq device to show cpufreq info to guest- qcow2: fix memory leak in qcow2_read_extensions- pl011: reset read FIFIO when UARTTIMSC=0 & UARTICR=0xff - pl031: support rtc-timer property for pl031 - vhost: cancel migration when vhost-user restartedobs-worker1640081563-aarch64-0006 16504075672:4.1.0-66.oe12:4.1.0-66.oe1block-curl.so/usr/lib64/qemu/-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/generic-hardened-cc1 -fasynchronous-unwind-tables -fstack-clash-protectionobs://private/openEuler:20.03:LTS:SP2/standard_aarch64/892630a2f2c3c355489e87a62c86f632-qemucpioxz2aarch64-openEuler-linux-gnuELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, BuildID[sha1]=ea09272dced23f685be724b1901efbfd5d6b43cd, strippedS])9ƭʥWutf-8ca8b5d0317c1b6e6c27cd59eb1b43ae580898a816e9e102b4b85e90124d15531?07zXZ !#,!] b2u Q{LT S }aJ8ij^L@R]/;}^fem-xehyx*ش*B?$wׇzP`w*!!_s2y8ՄSbU0u# vA `QIc_yx-Ѵ鹫O`8&mN0nh5.TJϭ81."Avu40Lmo(yěB!\a?C[)yȾR >*n@3 dޢ^q_e)E7T`QhARl>֏f !GKl ^H?@c[?>RB0iQ.ěKSOm7W_"(cr ڳ6C GKT6#3mHo2~ q[aj3~9u6\>,*/f{ 3Q16+4Y]W݈z>6Sķ{$niQ0s5UPA:{y%=xjŭ͠nr0@Ki{@滟WQa<u:>mzpЈh 8 ({ŗZ'UܲZ[LjH6 [gy6y39GjA2FŦdn!9q&n (RjP;SXk%4PRg-`c GXVFI w5瀡ͮ.N@dbbm-j`U!_+$Pk7P۹ /xEl1Ts&b3d`@Z󃞴.i'>0+L\r2qWWa0KiϑoZحx^a'=(NU>[R2$2Y+-H/$ [ynxlj(do3}+ޒU͍H,,X uL "ѶlB{mt<}WuGt%ʯ[d|O "+4H'SV:qՍ[!8mt"Ѭs"Fnz&ӞbZiuҕ$.+qupAyRѰiO [ &8 ZA>УOE||Ȕ2(yEEnssYRDi:L ݀aa,yrc’# ~Z1K0GoQSyLTdXnwY7b_("MHE^$, QqF{s䃲-Ԡt_P=y*+纃\EC2?a$8FGp(VqV-!]bRϴ;DO`Ǽ?\|VYʿuWI,uqw ;E] I4_E3uk<"NP89j>R @ŜxPW ZUL(_Z .ULC;; *7edICaPD\9("Py"we Ih~c7(d͕a*Ԃ#Q@eqmd~`V'`ղtf:i#9C>.|WTGрXœf5!Nf]/f b9QG$DTҲoT&E?9Zcd!b<9|@TZ;rȪ#g:,,׸uVL^c]r㸸G ]݇MIL9jܟ@|Sj-K:rUםh݆J(hcxЌι\d0gA8SMB;|,xli晾'< ?HDGDCh6tLD]TX٤Sy .`;6ߓ^j HZP=BζBR4N#p_i=[)+T EsB=inM(1]BΟ&*`qISjp[6T:9C+nŸ[C45yD/9#"vPN#JEKx)p 6m=q?o'Iech;5/"h, [syNv'}'"$ۂroqK| Q¾FCޜIFaA* yKHk|Ϸi4) 0,6jdoE#78qaL4,.%B\m$GmqZD8IiDlNBK3 C/+_`vC.Y.I6d0g^Gà n8H%&F{JZ{=`٠3)&~3EAsݹ]i6tw/\Y(I3g<A>짢yGό@ƲMR^u1 yw xL#KAG͚^L1>۵DH8Au*Wf =i[ςY:ahů;ds꣠K)f&EOpW$hw?i8ce%""/m<ӝ70Xu d"Wqp/C[SXe?LRz\`^g#rh1Onmx["<7yc˸q u^]?1r%cjfoCr~N吿e2j@7H9HS1lQ@`@\Iu%~O1euSqt@Fc6u QIsGpsӷeZ1ZSaͤ|N%<ow_PL9Ͻd\()8{?ZPϗL󱥀8'%KfULbJ~YQx_|aXu현阀2wxX !Pj, L>AUF#SV v&#ݸ6U6/ C\XDkrE;.x 86?E|kFM91L} ⋄) С3Q!ב)0@.*Μ.i^dqF+ޢm<50s$ȑ+ ^^XFϾ_ɺ(`D# },Q~Ѿ 샅|!lL;X` ʏUݭcIng{/Ԝ `}%aهzYtζ|j,:et~w0j{KwT-$AU?ХzBc{+E~% n:CLvOn]$͘3e)RqnA_5 DIw%J@bMc [v@0T}qŀ06&:{?K]SvƎ,vmiAND.b0n QO9-+?Pg<-~J)@vvѴۛV;Eܟ3!iWIh}{$P*=*lQ X3w6LnŪ!(\]F#;,U"sd_{Iuͱȕ!Q'tV՛㿽L҄& |0*K.|Tu$?{N΋~FUJ3 P\R&˛3hl>G+"Oy}(m9̷p-&c 3%>+j@~Dar6 aw85%p.*Yڿ-xq1 x2zУ|6 oK)q nEk E?R;_ԦڳY_t߆hႽ2ujWKBBPT5arL ¼ 1γ(FpOENRMVj_!o(,PW2 `/OT[44>pS6\+yEWyZ q^@H܊3CRBOy/Շ }VF>UNz.o8dwQG4V~bVP)Uۄ|Mf<6MI&oP>g]Z~)4/g"ssG'@ "x1016()GoI>  0wn% cKZ,oh)S6%!&#߮u2j8(sk-9`k4e9cwD,kKw6<-=Wu ")szK>nh.Bёl6_ ]n%,QNƣ+ORs|EGU^K;P|Yv~գi"Gt$L2ZI ?ׂO wTާO+[(tTdOvM1V # tRBKL"L0TqT|&C9HA9whȦ^sRO/90k#etN$ vS6rG_n߬YQW$Fs*(B s)ba2F26z;)Z2tAi"Bݰ2lG}gHiY_\hjxZ;Jۣ° rIk  YzHd|uYKR $jSh'!5gЏ'yee;6܁˄ΦŤX@9sbe:mrV,슫}^pweW G<5W ,in)Ib B\i *Dq쟈ͯ6mXUwa42P?k[5x>ʇ-.cw=NDtS|Ej9{.C=@P R|45C$R3oh|#2~KC:4-|M}!5Vjor!>Zq>TMGh3~r)&Rj8fr:+8&zNDˌXAy^:+Gm,2Er?'@^BqI{9P>'?SZ~0*L-.exo vqbf*A90IS"EHb' &Q(Yfm%y'Pyi#2ߪ-GՌYDU'X11ע@Cfbm++~,[V/#{GZv+,] ^O_nk֘csbn'S|bYe]yoO^dƼkY\MΕ' * οP嗿fH|.h‡V L+'ʖnkD$p;撗q ~`g!<.>Jm>B=+iՙj\Cʍ YZ