Public bug reported: Kernel/Package is linux-image-5.15.0-25-generic
running: $ modprobe -r floppy Killed ends in BUG: kernel NULL pointer dereference (see dmesg). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-25-generic 5.15.0-25.25 ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30 Uname: Linux 5.15.0-25-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Apr 20 13:33 seq crw-rw---- 1 root audio 116, 33 Apr 20 13:33 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu82 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: pass Date: Wed Apr 20 13:50:56 2022 InstallationDate: Installed on 2022-04-20 (0 days ago) InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220330) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Lsusb-t: /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M MachineType: QEMU Standard PC (i440FX + PIIX, 1996) PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 bochs-drmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic root=/dev/mapper/system-root ro console=ttyS0,38400n8 elevator=noop net.ifnames=0 RelatedPackageVersions: linux-restricted-modules-5.15.0-25-generic N/A linux-backports-modules-5.15.0-25-generic N/A linux-firmware 20220329.git681281e4-0ubuntu1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/01/2014 dmi.bios.release: 0.0 dmi.bios.vendor: SeaBIOS dmi.bios.version: 1.10.2-1ubuntu1 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-bionic dmi.modalias: dmi:bvnSeaBIOS:bvr1.10.2-1ubuntu1:bd04/01/2014:br0.0:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-bionic:cvnQEMU:ct1:cvrpc-i440fx-bionic:sku: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-bionic dmi.sys.vendor: QEMU ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug jammy -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1969624 Title: kernel NULL pointer dereference while removing floppy module Status in linux package in Ubuntu: Confirmed Bug description: Kernel/Package is linux-image-5.15.0-25-generic running: $ modprobe -r floppy Killed ends in BUG: kernel NULL pointer dereference (see dmesg). ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-25-generic 5.15.0-25.25 ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30 Uname: Linux 5.15.0-25-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Apr 20 13:33 seq crw-rw---- 1 root audio 116, 33 Apr 20 13:33 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu82 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: pass Date: Wed Apr 20 13:50:56 2022 InstallationDate: Installed on 2022-04-20 (0 days ago) InstallationMedia: Ubuntu-Server 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220330) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Lsusb-t: /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M MachineType: QEMU Standard PC (i440FX + PIIX, 1996) PciMultimedia: ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 bochs-drmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-25-generic root=/dev/mapper/system-root ro console=ttyS0,38400n8 elevator=noop net.ifnames=0 RelatedPackageVersions: linux-restricted-modules-5.15.0-25-generic N/A linux-backports-modules-5.15.0-25-generic N/A linux-firmware 20220329.git681281e4-0ubuntu1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/01/2014 dmi.bios.release: 0.0 dmi.bios.vendor: SeaBIOS dmi.bios.version: 1.10.2-1ubuntu1 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-bionic dmi.modalias: dmi:bvnSeaBIOS:bvr1.10.2-1ubuntu1:bd04/01/2014:br0.0:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-bionic:cvnQEMU:ct1:cvrpc-i440fx-bionic:sku: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-bionic dmi.sys.vendor: QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1969624/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp