This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2002842
Title:
UBSAN: array-index-out-of-bounds in
drivers/scsi/megaraid/megaraid_sas_fp.c:151:32
Status in linux package in Ubuntu:
Confirmed
Bug description:
I'm getting UBSAN complains every boot, this issue exists for years,
but I was lazy to report it as everything works. However, not sure if
it is security issue:
[ 1.866789]
================================================================================
[ 1.866992]
================================================================================
[ 1.867187] UBSAN: array-index-out-of-bounds in
/build/linux-oKJrrr/linux-5.15.0/drivers/scsi/megaraid/megaraid_sas_fp.c:151:32
[ 1.867454] index 1 is out of range for type 'MR_LD_SPAN_MAP [1]'
[ 1.867608] CPU: 0 PID: 203 Comm: kworker/0:1H Tainted: G I
5.15.0-58-generic #64-Ubuntu
[ 1.867612] Hardware name: Gigabyte Technology Co., Ltd. X299 UD4/X299
UD4-CF, BIOS F6p 12/06/2021
[ 1.867614] Workqueue: kblockd blk_mq_run_work_fn
[ 1.867620] Call Trace:
[ 1.867621] <TASK>
[ 1.867623] show_stack+0x52/0x5c
[ 1.867628] dump_stack_lvl+0x4a/0x63
[ 1.867635] dump_stack+0x10/0x16
[ 1.867641] ubsan_epilogue+0x9/0x49
[ 1.867647] __ubsan_handle_out_of_bounds.cold+0x44/0x49
[ 1.867653] ? _printk+0x58/0x73
[ 1.867658] MR_GetPhyParams+0x487/0x700 [megaraid_sas]
[ 1.867675] MR_BuildRaidContext+0x402/0xb50 [megaraid_sas]
[ 1.867693] megasas_build_ldio_fusion+0x5b9/0x9a0 [megaraid_sas]
[ 1.867710] megasas_build_io_fusion+0x412/0x450 [megaraid_sas]
[ 1.867725] megasas_build_and_issue_cmd_fusion+0xa5/0x380 [megaraid_sas]
[ 1.867739] megasas_queue_command+0x1be/0x200 [megaraid_sas]
[ 1.867753] ? ktime_get+0x43/0xc0
[ 1.867759] scsi_dispatch_cmd+0x93/0x200
[ 1.867764] scsi_queue_rq+0x2d5/0x690
[ 1.867771] blk_mq_dispatch_rq_list+0x13c/0x680
[ 1.867779] ? sbitmap_get+0x1/0xe0
[ 1.867786] __blk_mq_do_dispatch_sched+0xba/0x2e0
[ 1.867792] blk_mq_do_dispatch_sched+0x40/0x70
[ 1.867797] __blk_mq_sched_dispatch_requests+0x105/0x150
[ 1.867802] blk_mq_sched_dispatch_requests+0x35/0x70
[ 1.867806] __blk_mq_run_hw_queue+0x34/0xc0
[ 1.867812] blk_mq_run_work_fn+0x1f/0x30
[ 1.867818] process_one_work+0x228/0x3d0
[ 1.867823] worker_thread+0x53/0x420
[ 1.867826] ? process_one_work+0x3d0/0x3d0
[ 1.867830] kthread+0x127/0x150
[ 1.867836] ? set_kthread_struct+0x50/0x50
[ 1.867843] ret_from_fork+0x1f/0x30
[ 1.867852] </TASK>
[ 1.867853]
================================================================================
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-58-generic 5.15.0-58.64
ProcVersionSignature: Ubuntu 5.15.0-58.64-generic 5.15.74
Uname: Linux 5.15.0-58-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: vsukhoml 2725 F.... pulseaudio
/dev/snd/controlC0: vsukhoml 2725 F.... pulseaudio
/dev/snd/controlC1: vsukhoml 2725 F.... pulseaudio
/dev/snd/controlC2: vsukhoml 2725 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Fri Jan 13 11:12:10 2023
InstallationDate: Installed on 2020-05-03 (985 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Gigabyte Technology Co., Ltd. X299 UD4
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-58-generic
root=UUID=9f617cba-f115-4ee3-ad8e-de95fcd2ca03 ro quiet splash nomodeset
RelatedPackageVersions:
linux-restricted-modules-5.15.0-58-generic N/A
linux-backports-modules-5.15.0-58-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.9
SourcePackage: linux
UpgradeStatus: Upgraded to jammy on 2022-07-15 (182 days ago)
dmi.bios.date: 12/06/2021
dmi.bios.release: 5.13
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F6p
dmi.board.asset.tag: Default string
dmi.board.name: X299 UD4-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF6p:bd12/06/2021:br5.13:svnGigabyteTechnologyCo.,Ltd.:pnX299UD4:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnX299UD4-CF:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: Default string
dmi.product.name: X299 UD4
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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