I have the same error in hyper-v.
It is ubuntu 22.04 and below is the corresponding error part of dmesg.
It doesn't really prevent me from using it.


[    4.589667] UBSAN: array-index-out-of-bounds in /build/linux-hwe-6.5-ZV1Qen/linux-hwe-6.5-6.5.0/drivers/net/hyperv/netvsc.c:1445:41
[    4.589951] index 1 is out of range for type 'vmtransfer_page_range [1]'
[    4.590211] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-18-generic #18~22.04.1-Ubuntu
[    4.590216] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008  12/07/2018
[    4.590218] Call Trace:
[    4.590220]  <IRQ>
[    4.590224]  dump_stack_lvl+0x48/0x70
[    4.590232]  dump_stack+0x10/0x20
[    4.590234]  __ubsan_handle_out_of_bounds+0xc6/0x110
[    4.590239]  netvsc_receive+0x42f/0x480 [hv_netvsc]
[    4.590247]  netvsc_poll+0x176/0x4a0 [hv_netvsc]
[    4.590252]  ? srso_alias_return_thunk+0x5/0x7f
[    4.590257]  __napi_poll+0x33/0x1f0
[    4.590261]  net_rx_action+0x181/0x2e0
[    4.590263]  ? srso_alias_return_thunk+0x5/0x7f
[    4.590265]  ? srso_alias_return_thunk+0x5/0x7f
[    4.590269]  __do_softirq+0xdc/0x349
[    4.590271]  ? _raw_spin_unlock+0xe/0x40
[    4.590273]  ? srso_alias_return_thunk+0x5/0x7f
[    4.590277]  __irq_exit_rcu+0x75/0xa0
[    4.590281]  irq_exit_rcu+0xe/0x20
[    4.590284]  sysvec_hyperv_callback+0x92/0xd0
[    4.590288]  </IRQ>
[    4.590289]  <TASK>
[    4.590290]  asm_sysvec_hyperv_callback+0x1b/0x20
[    4.590294] RIP: 0010:pv_native_safe_halt+0xb/0x10
[    4.590297] Code: 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 eb 07 0f 00 2d a9 20 2f 00 fb f4 <e9> 70 9b 01 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55
[    4.590299] RSP: 0018:ffffffff92403e20 EFLAGS: 00000246
[    4.590301] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[    4.590303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    4.590304] RBP: ffffffff92403e28 R08: 0000000000000000 R09: 0000000000000000
[    4.590305] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff9240fbc0
[    4.590306] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    4.590310]  ? default_idle+0x9/0x30
[    4.590313]  arch_cpu_idle+0x9/0x10
[    4.590316]  default_idle_call+0x2c/0xf0
[    4.590318]  cpuidle_idle_call+0x153/0x190
[    4.590322]  do_idle+0x82/0xf0
[    4.590324]  cpu_startup_entry+0x2a/0x30
[    4.590326]  rest_init+0xde/0x100
[    4.590328]  ? acpi_enable_subsystem+0xe6/0x2a0
[    4.590331]  ? static_key_disable+0x1f/0x30
[    4.590336]  arch_call_rest_init+0xe/0x30
[    4.590339]  start_kernel+0x34f/0x440
[    4.590342]  x86_64_start_reservations+0x18/0x30
[    4.590346]  x86_64_start_kernel+0xa4/0xe0
[    4.590349]  secondary_startup_64_no_verify+0x17e/0x18b
[    4.590355]  </TASK>
[    4.590365] ================================================================================
[    4.590631] ================================================================================
[    4.590947] UBSAN: array-index-out-of-bounds in /build/linux-hwe-6.5-ZV1Qen/linux-hwe-6.5-6.5.0/drivers/net/hyperv/netvsc.c:1446:41
[    4.591246] index 1 is out of range for type 'vmtransfer_page_range [1]'
[    4.591509] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-18-generic #18~22.04.1-Ubuntu
[    4.591514] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008  12/07/2018
[    4.591515] Call Trace:
[    4.591517]  <IRQ>
[    4.591518]  dump_stack_lvl+0x48/0x70
[    4.591521]  dump_stack+0x10/0x20
[    4.591523]  __ubsan_handle_out_of_bounds+0xc6/0x110
[    4.591527]  netvsc_receive+0x44a/0x480 [hv_netvsc]
[    4.591534]  netvsc_poll+0x176/0x4a0 [hv_netvsc]
[    4.591538]  ? srso_alias_return_thunk+0x5/0x7f
[    4.591542]  __napi_poll+0x33/0x1f0
[    4.591544]  net_rx_action+0x181/0x2e0
[    4.591546]  ? srso_alias_return_thunk+0x5/0x7f
[    4.591549]  ? srso_alias_return_thunk+0x5/0x7f
[    4.591552]  __do_softirq+0xdc/0x349
[    4.591554]  ? _raw_spin_unlock+0xe/0x40
[    4.591595]  ? srso_alias_return_thunk+0x5/0x7f
[    4.591599]  __irq_exit_rcu+0x75/0xa0
[    4.591602]  irq_exit_rcu+0xe/0x20
[    4.591604]  sysvec_hyperv_callback+0x92/0xd0
[    4.591607]  </IRQ>
[    4.591608]  <TASK>
[    4.591609]  asm_sysvec_hyperv_callback+0x1b/0x20
[    4.591612] RIP: 0010:pv_native_safe_halt+0xb/0x10
[    4.591614] Code: 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 eb 07 0f 00 2d a9 20 2f 00 fb f4 <e9> 70 9b 01 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55
[    4.591616] RSP: 0018:ffffffff92403e20 EFLAGS: 00000246
[    4.591618] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[    4.591619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[    4.591620] RBP: ffffffff92403e28 R08: 0000000000000000 R09: 0000000000000000
[    4.591621] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff9240fbc0
[    4.591622] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    4.591626]  ? default_idle+0x9/0x30
[    4.591629]  arch_cpu_idle+0x9/0x10
[    4.591631]  default_idle_call+0x2c/0xf0
[    4.591634]  cpuidle_idle_call+0x153/0x190
[    4.591637]  do_idle+0x82/0xf0
[    4.591639]  cpu_startup_entry+0x2a/0x30
[    4.591641]  rest_init+0xde/0x100
[    4.591643]  ? acpi_enable_subsystem+0xe6/0x2a0
[    4.591645]  ? static_key_disable+0x1f/0x30
[    4.591648]  arch_call_rest_init+0xe/0x30
[    4.591651]  start_kernel+0x34f/0x440
[    4.591653]  x86_64_start_reservations+0x18/0x30
[    4.591656]  x86_64_start_kernel+0xa4/0xe0
[    4.591658]  secondary_startup_64_no_verify+0x17e/0x18b
[    4.591663]  </TASK>