Hi, the problem still exists in Noble 6.8, this kernel:
6.8.0-47-generic #47-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 21:40:26 UTC 2024 
x86_64 x86_64 x86_64 GNU/Linux
The system still boots, but all VMware SAS controller backed devices are
affected and print 4 of tose stack traces on boot (grepped on mptsas):

[    1.637319] UBSAN: array-index-out-of-bounds in 
/build/linux-RWwiIN/linux-6.8.0/drivers/message/fusion/mptsas.c:2446:22
[    1.638082]  mptsas_sas_io_unit_pg0+0x3d9/0x3f0 [mptsas]
[    1.638152]  mptsas_probe_hba_phys.isra.0+0x82/0x4c0 [mptsas]
[    1.638319]  mptsas_scan_sas_topology+0x32/0x210 [mptsas]
[    1.638427]  mptsas_probe.part.0+0x3cc/0x570 [mptsas]
[    1.638492]  mptsas_probe+0x1e/0x30 [mptsas]
[    1.639069]  ? __pfx_mptsas_init+0x10/0x10 [mptsas]
[    1.639180]  mptsas_init+0x119/0xff0 [mptsas]
[    1.642403] UBSAN: array-index-out-of-bounds in 
/build/linux-RWwiIN/linux-6.8.0/drivers/message/fusion/mptsas.c:2448:22
[    1.643076]  mptsas_sas_io_unit_pg0+0x3b1/0x3f0 [mptsas]
[    1.643149]  mptsas_probe_hba_phys.isra.0+0x82/0x4c0 [mptsas]
[    1.643353]  mptsas_scan_sas_topology+0x32/0x210 [mptsas]
[    1.643521]  mptsas_probe.part.0+0x3cc/0x570 [mptsas]
[    1.643591]  mptsas_probe+0x1e/0x30 [mptsas]
[    1.644279]  ? __pfx_mptsas_init+0x10/0x10 [mptsas]
[    1.644399]  mptsas_init+0x119/0xff0 [mptsas]
[    1.647030] UBSAN: array-index-out-of-bounds in 
/build/linux-RWwiIN/linux-6.8.0/drivers/message/fusion/mptsas.c:2451:7
[    1.647625]  mptsas_sas_io_unit_pg0+0x3c5/0x3f0 [mptsas]
[    1.647699]  mptsas_probe_hba_phys.isra.0+0x82/0x4c0 [mptsas]
[    1.647963]  mptsas_scan_sas_topology+0x32/0x210 [mptsas]
[    1.648117]  mptsas_probe.part.0+0x3cc/0x570 [mptsas]
[    1.648185]  mptsas_probe+0x1e/0x30 [mptsas]
[    1.648930]  ? __pfx_mptsas_init+0x10/0x10 [mptsas]
[    1.649055]  mptsas_init+0x119/0xff0 [mptsas]
[    1.651943] UBSAN: array-index-out-of-bounds in 
/build/linux-RWwiIN/linux-6.8.0/drivers/message/fusion/mptsas.c:2443:46
[    1.652665]  mptsas_sas_io_unit_pg0+0x39d/0x3f0 [mptsas]
[    1.652738]  mptsas_probe_hba_phys.isra.0+0x82/0x4c0 [mptsas]
[    1.652924]  mptsas_scan_sas_topology+0x32/0x210 [mptsas]
[    1.653073]  mptsas_probe.part.0+0x3cc/0x570 [mptsas]
[    1.653148]  mptsas_probe+0x1e/0x30 [mptsas]
[    1.653953]  ? __pfx_mptsas_init+0x10/0x10 [mptsas]
[    1.654048]  mptsas_init+0x119/0xff0 [mptsas]
[    1.657729] mptsas: ioc0: attaching ssp device: fw_channel 0, fw_id 0, phy 
0, sas_addr 0x5000c29819170d5b
[    1.659158] mptsas: ioc0: attaching ssp device: fw_channel 0, fw_id 1, phy 
1, sas_addr 0x5000c29de1fae0f5
[    1.660304] mptsas: ioc0: attaching ssp device: fw_channel 0, fw_id 2, phy 
2, sas_addr 0x5000c29daf009a56

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https://bugs.launchpad.net/bugs/2037490

Title:
  UBSAN: array-index-out-of-bounds in /build/linux-
  IPoq5q/linux-6.5.0/drivers/message/fusion/mptsas.c

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