Public bug reported:

Ubuntu kernel: 7.0.0-30-generic #30~24.04.1-Ubuntu

Filesystem:
/dev/nvme0n1p4 mounted using ntfs3

Reproduction:
1. cd to an ntfs3-mounted filesystem
2. Run:
   git clone --recurse-submodules [email protected]:engsoc/magazine.git
3. git terminates with "Segmentation fault"
4. Kernel log reports:
   kernel BUG at fs/iomap/buffered-io.c:1061!
   RIP: iomap_write_end+0x1ea/0x1f0
   ntfs_file_write_iter [ntfs3]
5. Trying to remove the partially cloned directory:
   rm -rf magazine/
   causes rm to become permanently stuck in D state:
   D vfs_unlink
6. The stuck process cannot be killed and prevents normal shutdown.

Expected:
Normal filesystem writes/unlinks on NTFS.

Actual:
Kernel BUG in iomap/ntfs3 followed by uninterruptible filesystem operations.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-7.0.0-30-generic 7.0.0-30.30~24.04.1
ProcVersionSignature: Ubuntu 7.0.0-30.30~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-30-generic x86_64
ApportVersion: 2.28.3-0ubuntu0.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  balalida22   3069 F.... pipewire
                      balalida22   3075 F.... wireplumber
 /dev/snd/controlC0:  balalida22   3075 F.... wireplumber
 /dev/snd/seq:        balalida22   3069 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Aug 25 09:35:48 2026
InstallationDate: Installed on 2025-09-18 (340 days ago)
InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 
(20250805.1)
MachineType: Micro-Star International Co., Ltd. Stealth 14 AI Studio A1VFG
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=alacritty
 XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-30-generic 
root=UUID=507f310b-21a9-4d7f-a0c7-9088bb5d677a ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-7.0.0-30-generic N/A
 linux-backports-modules-7.0.0-30-generic  N/A
 linux-firmware                            20240318.git3b128b60-0ubuntu2.29
SourcePackage: linux-hwe-7.0
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/23/2024
dmi.bios.release: 1.8
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: E14K2IMS.108
dmi.board.asset.tag: Default string
dmi.board.name: MS-14K2
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrE14K2IMS.108:bd07/23/2024:br1.8:svnMicro-StarInternationalCo.,Ltd.:pnStealth14AIStudioA1VFG:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-14K2:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:sku14K2.1:pfaGS:
dmi.product.family: GS
dmi.product.name: Stealth 14 AI Studio A1VFG
dmi.product.sku: 14K2.1
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.

** Affects: linux-hwe-7.0 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2164965

Title:
  ntfs3/iomap kernel BUG in iomap_write_end during Git clone on
  7.0.0-30-generic

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