** Description changed:

+ SRU Justification
+ 
+ [Impact]
+ 
+ * Having occurrences of "detected field-spanning write" on zpool import.
+ Logs included below SRU justification
+ 
+ [Fix]
+ 
+ * Backport 6f50f8e16b7c: "zfs_log: add flex array fields to log record 
structs"
+ * Backport c84a37ae93b5: "lua: add flex array field to TString type"
+ 
+ [Test Plan]
+ 
+ * Compile tested
+ * Run through autopkgtest regression tests
+ 
+ [Regression potential]
+ 
+ * Changes already in upstream ZFS. lua changes are quite small. Otherwise 
adding
+   a new struct is added, which could lead to allocation issues if not managed
+   properly.
+ 
  I upgraded one of my systems to Oracular and noticed this error:
  
  memcpy: detected field-spanning write (size 8) of single field "lr + 1"
  at /build/linux-3RcvoW/linux-6.11.0/debian/build/build-
  
generic/____________________________________________________________________________dkms/build/zfs/2.2.6/build/module/zfs/zfs_log.c:461
  (size 0)
  
  I'm running kernel 6.11.0-8-generic and zfs 2.2.6-1ubuntu1
  
  See also:
  
  memcpy: detected field-spanning write #16501 -
  https://github.com/openzfs/zfs/issues/16501
  
  memcpy: detected field-spanning write (size 7) of single field "sbuf" at 
/var/lib/dkms/zfs/2.2.99/build/module/lua/lstring.c:107 - 
https://github.com/openzfs/zfs/issues/16541
- --- 
+ ---
  ProblemType: Bug
  ApportVersion: 2.30.0-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/seq:        danilo     3545 F.... pipewire
-  /dev/snd/controlC0:  danilo     3550 F.... wireplumber
+  USER        PID ACCESS COMMAND
+  /dev/snd/seq:        danilo     3545 F.... pipewire
+  /dev/snd/controlC0:  danilo     3550 F.... wireplumber
  CasperMD5CheckResult: pass
  DistroRelease: Ubuntu 24.10
  InstallationDate: Installed on 2024-09-11 (15 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lsusb:
-  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
-  Bus 001 Device 003: ID 04f2:b47f Chicony Electronics Co., Ltd VGA Webcam
-  Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card 
Reader Controller
-  Bus 001 Device 005: ID 04ca:3014 Lite-On Technology Corp. Qualcomm Atheros 
Bluetooth
-  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+  Bus 001 Device 003: ID 04f2:b47f Chicony Electronics Co., Ltd VGA Webcam
+  Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card 
Reader Controller
+  Bus 001 Device 005: ID 04ca:3014 Lite-On Technology Corp. Qualcomm Atheros 
Bluetooth
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  MachineType: Acer Aspire ES1-572
  NonfreeKernelModules: zfs
  Package: linux (not installed)
  ProcEnviron:
-  LANG=pt_BR.UTF-8
-  PATH=(custom, no user)
-  SHELL=/bin/bash
-  TERM=screen-256color
+  LANG=pt_BR.UTF-8
+  PATH=(custom, no user)
+  SHELL=/bin/bash
+  TERM=screen-256color
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_x44vyn@/vmlinuz-6.11.0-8-generic 
root=ZFS=rpool/ROOT/ubuntu_x44vyn ro quiet splash 
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M 
vt.handoff=1
  ProcVersionSignature: Ubuntu 6.11.0-8.8-generic 6.11.0
  RelatedPackageVersions:
-  linux-restricted-modules-6.11.0-8-generic N/A
-  linux-backports-modules-6.11.0-8-generic  N/A
-  linux-firmware                            20240913.gita34e7a5f-0ubuntu2
+  linux-restricted-modules-6.11.0-8-generic N/A
+  linux-backports-modules-6.11.0-8-generic  N/A
+  linux-firmware                            20240913.gita34e7a5f-0ubuntu2
  Tags: oracular
  Uname: Linux 6.11.0-8-generic x86_64
  UnreportableReason: Este relatório é sobre o pacote que não foi instalado.
  UpgradeStatus: Upgraded to oracular on 2024-09-25 (1 days ago)
  UserGroups: N/A
  _MarkForUpload: False
  dmi.bios.date: 06/20/2016
  dmi.bios.release: 1.2
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.02
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: T-Rex_SK
  dmi.board.vendor: Acer
  dmi.board.version: V1.02
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.02
  dmi.ec.firmware.release: 1.2
  dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV1.02:bd06/20/2016:br1.2:efr1.2:svnAcer:pnAspireES1-572:pvrV1.02:rvnAcer:rnT-Rex_SK:rvrV1.02:cvnAcer:ct10:cvrV1.02:skuAspireES1-572_1085_V1.02:
  dmi.product.family: SKL
  dmi.product.name: Aspire ES1-572
  dmi.product.sku: Aspire ES1-572_1085_V1.02
  dmi.product.version: V1.02
  dmi.sys.vendor: Acer

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https://bugs.launchpad.net/bugs/2082060

Title:
  memcpy: detected field-spanning write (size 8) of single field "lr +
  1"

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