Public bug reported: There is a kernel crash when using dracut and iscsi:
``` [ 266.527314] UBSAN: shift-out-of-bounds in /build/linux-oracle-e23yiU/linux-oracle-6.11.0/drivers/firmware/iscsi_ibft.c:313:9 [ 266.661617] shift exponent -32 is negative [ 266.710627] CPU: 11 UID: 0 PID: 3260 Comm: iscsiadm Not tainted 6.11.0-1007-oracle #7-Ubuntu [ 266.811631] Hardware name: Oracle Corporation ORACLE SERVER E4-2c/Asm,MB Tray,2U,E4-2c, BIOS 78016100 04/11/2024 [ 266.933435] Call Trace: [ 266.962672] <TASK> [ 266.987748] show_stack+0x49/0x60 [ 267.027392] dump_stack_lvl+0x5f/0x90 [ 267.071192] dump_stack+0x10/0x18 [ 267.110835] ubsan_epilogue+0x9/0x40 [ 267.153595] __ubsan_handle_shift_out_of_bounds.cold+0x61/0xe6 [ 267.223396] ibft_attr_show_nic.cold+0x17/0x2d [iscsi_ibft] [ 267.290081] iscsi_boot_show_attribute+0x3f/0x70 [iscsi_boot_sysfs] [ 267.365081] sysfs_kf_seq_show+0xa7/0x110 [ 267.413038] kernfs_seq_show+0x27/0x40 [ 267.457875] seq_read_iter+0x131/0x490 [ 267.503375] kernfs_fop_read_iter+0x34/0x40 [ 267.553992] vfs_read+0x2a3/0x380 [ 267.594164] ksys_read+0x71/0x100 [ 267.634321] __x64_sys_read+0x19/0x30 [ 267.678679] x64_sys_call+0x206c/0x22b0 [ 267.725109] do_syscall_64+0x7e/0x170 [ 267.769416] ? srso_alias_return_thunk+0x5/0xfbef5 [ 267.827241] ? putname+0x5b/0x80 [ 267.866342] ? srso_alias_return_thunk+0x5/0xfbef5 [ 267.924062] ? do_sys_openat2+0xa4/0xf0 [ 267.970492] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.028313] ? syscall_exit_to_user_mode+0x4e/0x250 [ 268.087186] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.145047] ? do_syscall_64+0x8a/0x170 [ 268.191419] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.249261] ? do_syscall_64+0x8a/0x170 [ 268.295668] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.353478] ? syscall_exit_to_user_mode+0x4e/0x250 [ 268.412323] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.470125] ? do_syscall_64+0x8a/0x170 [ 268.516528] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.574381] ? exc_page_fault+0x96/0x1a0 [ 268.621854] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 268.682838] RIP: 0033:0x7b1eaede8701 [ 268.726116] Code: 00 48 8b 15 21 b7 0e 00 f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 c0 cb 01 00 f3 0f 1e fa 80 3d 65 39 0f 00 00 74 13 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 4f c3 66 0f 1f 44 00 00 55 48 89 e5 48 83 ec [ 268.951379] RSP: 002b:00007fff5bd09918 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 269.042490] RAX: ffffffffffffffda RBX: 00007fff5bd099b0 RCX: 00007b1eaede8701 [ 269.128474] RDX: 0000000000000100 RSI: 00007fff5bd099b0 RDI: 0000000000000003 [ 269.214429] RBP: 00007fff5bd09ee0 R08: 00007fff5bd09ab4 R09: 0000000000000007 [ 269.300385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 269.386341] R13: 00007fff5bd09ef0 R14: 000064b366842270 R15: 0000000000000000 [ 269.472299] </TASK> ``` The /proc/cmdline has: ``` BOOT_IMAGE=/vmlinuz-6.11.0-1007-oracle root=UUID=8def4bfb-8542-4652-857a-b413ee53b4c8 ro console=tty1 console=ttyS0 nvme.shutdown_timeout=10 libiscsi.debug_libiscsi_eh=1 crash_kexec_post_notifiers rd.iscsi.ibft=1 rd.iscsi.firmware=1 rd.iscsi.waitnet=0 ``` ProblemType: Bug DistroRelease: Ubuntu 25.04 Package: linux-image-6.11.0-1007-oracle 6.11.0-1007.7 ProcVersionSignature: Ubuntu 6.11.0-1007.7-oracle 6.11.0 Uname: Linux 6.11.0-1007-oracle x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Dec 11 18:47 seq crw-rw---- 1 root audio 116, 33 Dec 11 18:47 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.31.0-0ubuntu1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', '/dev/snd/seq'] failed with exit code 1: CRDA: N/A CasperMD5CheckResult: unknown CloudArchitecture: x86_64 CloudBuildName: server CloudID: oracle CloudName: oracle CloudPlatform: oracle CloudSerial: 20241009 CloudSubPlatform: metadata (http://[fd00:c1::a9fe:a9fe]/opc/v2/) CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read kernel buffer failed: Operation not permitted Date: Wed Dec 11 18:56:10 2024 Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 2a4b:0400 EMULEX Corporation Pilot4 Integrated Hub Bus 001 Device 003: ID 0430:a111 Fujitsu Component Limited remote keyboard for P4 chip Bus 001 Device 004: ID 0430:a112 Fujitsu Component Limited remote mouse for P4 chip Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Lsusb-t: /: Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/2p, 480M |__ Port 001: Dev 002, If 0, Class=Hub, Driver=hub/7p, 480M |__ Port 001: Dev 003, If 0, Class=Human Interface Device, Driver=usbhid, 480M |__ Port 002: Dev 004, If 0, Class=Human Interface Device, Driver=usbhid, 480M /: Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/2p, 10000M MachineType: Oracle Corporation ORACLE SERVER E4-2c PciMultimedia: ProcFB: 0 mgag200drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-1007-oracle root=UUID=8def4bfb-8542-4652-857a-b413ee53b4c8 ro console=tty1 console=ttyS0 nvme.shutdown_timeout=10 libiscsi.debug_libiscsi_eh=1 crash_kexec_post_notifiers rd.iscsi.ibft=1 rd.iscsi.firmware=1 rd.iscsi.waitnet=0 RelatedPackageVersions: linux-restricted-modules-6.11.0-1007-oracle N/A linux-backports-modules-6.11.0-1007-oracle N/A linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux-oracle UpgradeStatus: Upgraded to plucky on 2024-12-11 (0 days ago) acpidump: dmi.bios.date: 04/11/2024 dmi.bios.release: 1.61 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: 78016100 dmi.board.asset.tag: 8207735 dmi.board.name: Asm,MB Tray,2U,E4-2c dmi.board.vendor: Oracle Corporation dmi.board.version: Rev 02 dmi.chassis.asset.tag: OracleCloud.com dmi.chassis.type: 17 dmi.chassis.vendor: Oracle Corporation dmi.chassis.version: ORACLE SERVER E4-2c dmi.ec.firmware.release: 5.1 dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvr78016100:bd04/11/2024:br1.61:efr5.1:svnOracleCorporation:pnORACLESERVERE4-2c:pvr:rvnOracleCorporation:rnAsm,MBTray,2U,E4-2c:rvrRev02:cvnOracleCorporation:ct17:cvrORACLESERVERE4-2c:sku8209381: dmi.product.name: ORACLE SERVER E4-2c dmi.product.sku: 8209381 dmi.sys.vendor: Oracle Corporation ** Affects: linux-oracle (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug cloud-image package-from-proposed plucky -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2091579 Title: UBSAN: shift-out-of-bounds in /build/linux-oracle-e23yiU/linux- oracle-6.11.0/drivers/firmware/iscsi_ibft.c:313:9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oracle/+bug/2091579/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
