[Bug 1970074] Re: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41

Another occurrence:

[4.410322] =========================================================
[4.410323] UBSAN: array-index-out-of-bounds in /build/linux-hwe-5.15-scdIe0/linux-hwe-5.15-5.15.0/drivers/ata/libahci.c:968:41
[4.410326] index 15 is out of range for type 'ahci_em_priv [8]'
[4.410327] CPU: 1 PID: 434 Comm: scsi_eh_6 Tainted: G OE 5.15.0-33-generic #34~20.04.1-Ubuntu
[4.410330] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B550M-HDV, BIOS P2.10 02/24/2022
[4.410331] Call Trace:
[4.410332] <TASK>
[4.410334] dump_stack_lvl+0x4a/0x5f
[4.410339] dump_stack+0x10/0x12
[4.410340] ubsan_epilogue+0x9/0x45
[4.410342] __ubsan_handle_out_of_bounds.cold+0x44/0x49
[4.410344] ahci_qc_issue+0x15e/0x160 [libahci]
[4.410348] ata_qc_issue+0x132/0x240
[4.410351] ata_exec_internal_sg+0x2c6/0x580
[4.410353] ? vprintk_default+0x1d/0x20
[4.410356] ata_exec_internal+0x67/0xa0
[4.410358] ? sata_scr_read+0x45/0x60
[4.410360] sata_pmp_read.isra.0+0x8a/0xb0
[4.410363] sata_pmp_read_gscr+0x40/0xa0
[4.410365] sata_pmp_attach+0x8b/0x530
[4.410367] ata_eh_revalidate_and_attach+0x249/0x490
[4.410369] ata_eh_recover+0x6d5/0x1370
[4.410371] ? ahci_stop_engine+0xb0/0xb0 [libahci]
[4.410373] ? ahci_do_hardreset+0x150/0x150 [libahci]
[4.410376] ? ahci_do_softreset+0x260/0x260 [libahci]
[4.410378] ? ata_phys_link_offline+0x60/0x60
[4.410381] ? ata_phys_link_offline+0x60/0x60
[4.410382] sata_pmp_eh_recover+0x61c/0xa80
[4.410385] ? ahci_stop_engine+0xb0/0xb0 [libahci]
[4.410387] ? ata_phys_link_offline+0x60/0x60
[4.410389] ? ahci_do_softreset+0x260/0x260 [libahci]
[4.410391] ? ahci_do_hardreset+0x150/0x150 [libahci]
[4.410394] sata_pmp_error_handler+0x23/0x30
[4.410396] ahci_error_handler+0x43/0x80 [libahci]
[4.410398] ata_scsi_port_error_handler+0x3a0/0x850
[4.410400] ata_scsi_error+0x9c/0xd0
[4.410402] scsi_error_handler+0xc3/0x520
[4.410404] ? scsi_eh_get_sense+0x250/0x250
[4.410406] kthread+0x127/0x150
[4.410408] ? set_kthread_struct+0x40/0x40
[4.410410] ret_from_fork+0x1f/0x30
[4.410413] </TASK>
[4.410414] =========================================================

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Title:
UBSAN: array-index-out-of-bounds in
/build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41

Status in linux package in Ubuntu:
Confirmed

Bug description:
Something wrong with ata driver in dmesg found:

[ 1.980693] kernel: ================================================================================
[ 1.980699] kernel: fbcon: Taking over console
[ 1.980703] kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41
[ 1.980709] kernel: index 15 is out of range for type 'ahci_em_priv [8]'
[ 1.980713] kernel: CPU: 0 PID: 209 Comm: scsi_eh_8 Not tainted 5.15.0-25-generic #25-Ubuntu
[ 1.980716] kernel: Hardware name: System manufacturer System Product Name/P5Q3, BIOS 1102 06/11/2010
[ 1.980718] kernel: Call Trace:
[ 1.980721] kernel: <TASK>
[ 1.980723] kernel: show_stack+0x52/0x58
[ 1.980729] kernel: dump_stack_lvl+0x4a/0x5f
[ 1.980734] kernel: dump_stack+0x10/0x12
[ 1.980736] kernel: ubsan_epilogue+0x9/0x45
[ 1.980739] kernel: __ubsan_handle_out_of_bounds.cold+0x44/0x49
[ 1.980742] kernel: ahci_qc_issue+0x166/0x170 [libahci]
[ 1.980748] kernel: ata_qc_issue+0x135/0x240
[ 1.980752] kernel: ata_exec_internal_sg+0x2c4/0x580
[ 1.980754] kernel: ? vprintk_default+0x1d/0x20
[ 1.980759] kernel: ata_exec_internal+0x67/0xa0
[ 1.980762] kernel: sata_pmp_read+0x8d/0xc0
[ 1.980765] kernel: sata_pmp_read_gscr+0x3c/0x90
[ 1.980768] kernel: sata_pmp_attach+0x8b/0x310
[ 1.980771] kernel: ata_eh_revalidate_and_attach+0x28c/0x4b0
[ 1.980775] kernel: ata_eh_recover+0x6b6/0xb30
[ 1.980778] kernel: ? ahci_do_hardreset+0x180/0x180 [libahci]
[ 1.980783] kernel: ? ahci_stop_engine+0xb0/0xb0 [libahci]
[ 1.980787] kernel: ? ahci_do_softreset+0x290/0x290 [libahci]
[ 1.980792] kernel: ? trace_event_raw_event_ata_eh_link_autopsy_qc+0xe0/0xe0
[ 1.980795] kernel: sata_pmp_eh_recover.isra.0+0x214/0x560
[ 1.980799] kernel: sata_pmp_error_handler+0x23/0x40
[ 1.980802] kernel: ahci_error_handler+0x43/0x80 [libahci]
[ 1.980806] kernel: ata_scsi_port_error_handler+0x2b1/0x600
[ 1.980810] kernel: ata_scsi_error+0x9c/0xd0
[ 1.980813] kernel: scsi_error_handler+0xa1/0x180
[ 1.980817] kernel: ? scsi_unjam_host+0x1c0/0x1c0
[ 1.980820] kernel: kthread+0x12a/0x150
[ 1.980823] kernel: ? set_kthread_struct+0x50/0x50
[ 1.980826] kernel: ret_from_fork+0x22/0x30
[ 1.980831] kernel: </TASK>

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
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: eugene 16798 F.... pulseaudio
 /dev/snd/pcmC0D0p: eugene 16798 F...m pulseaudio
 /dev/snd/controlC1: eugene 16798 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sun Apr 24 05:13:34 2022
HibernationDevice: RESUME=UUID=7e115b53-56a4-444f-bd93-6ad4f15c4a61
InstallationDate: Installed on 2019-04-13 (1106 days ago)
InstallationMedia: Kubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
IwConfig:
 lo no wireless extensions.

 enp2s0 no wireless extensions.

 virbr0 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcEnviron:
 LANGUAGE=
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=uk_UA.UTF-8
 SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.15.0-25-generic root=UUID=d87288b4-dbdd-4448-8088-4ebb6ed6cf33 ro rootflags=subvol=@ quiet splash vt.handoff=7
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:

SourcePackage: linux
UpgradeStatus: Upgraded to jammy on 2022-04-22 (1 days ago)
dmi.bios.date: 06/11/2010
dmi.bios.release: 11.2
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1102
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1102:bd06/11/2010:br11.2:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q3:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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