Public bug reported:
Di Mai 31 04:44:19 2022]
================================================================================
[Di Mai 31 04:44:19 2022] UBSAN: array-index-out-of-bounds in
/build/linux-MLl0vf/linux-5.15.0/drivers/gpu/drm/amd/amdgpu/../display/dc/irq/dce110/irq_service_dce110.c:215:39
[Di Mai 31 04:44:19 2022] index 178 is out of range for type 'pipe_ctx [6]'
[Di Mai 31 04:44:19 2022] CPU: 3 PID: 0 Comm: swapper/3 Not tainted
5.15.0-33-generic #34-Ubuntu
[Di Mai 31 04:44:19 2022] Hardware name: Hewlett-Packard HP Compaq dx2400
Microtower/2A73h, BIOS 5.37 02/23/2009
[Di Mai 31 04:44:19 2022] Call Trace:
[Di Mai 31 04:44:19 2022] <IRQ>
[Di Mai 31 04:44:19 2022] show_stack+0x52/0x58
[Di Mai 31 04:44:19 2022] dump_stack_lvl+0x4a/0x5f
[Di Mai 31 04:44:19 2022] dump_stack+0x10/0x12
[Di Mai 31 04:44:19 2022] ubsan_epilogue+0x9/0x45
[Di Mai 31 04:44:19 2022] __ubsan_handle_out_of_bounds.cold+0x44/0x49
[Di Mai 31 04:44:19 2022] dce110_vblank_set+0xb5/0xc0 [amdgpu]
[Di Mai 31 04:44:19 2022] dal_irq_service_set+0x50/0x90 [amdgpu]
[Di Mai 31 04:44:19 2022] dc_interrupt_set+0x24/0x30 [amdgpu]
[Di Mai 31 04:44:19 2022] dm_set_vblank+0x123/0x1c0 [amdgpu]
[Di Mai 31 04:44:19 2022] dm_disable_vblank+0x10/0x20 [amdgpu]
[Di Mai 31 04:44:19 2022] drm_vblank_disable_and_save+0xec/0x140 [drm]
[Di Mai 31 04:44:19 2022] vblank_disable_fn+0x75/0x90 [drm]
[Di Mai 31 04:44:19 2022] drm_handle_vblank+0x148/0x210 [drm]
[Di Mai 31 04:44:19 2022] drm_crtc_handle_vblank+0x17/0x20 [drm]
[Di Mai 31 04:44:19 2022] dm_crtc_high_irq+0x81/0x1d0 [amdgpu]
[Di Mai 31 04:44:19 2022] amdgpu_dm_irq_handler+0xaa/0x260 [amdgpu]
[Di Mai 31 04:44:19 2022] amdgpu_irq_dispatch+0xe2/0x240 [amdgpu]
[Di Mai 31 04:44:19 2022] amdgpu_ih_process+0xa3/0x120 [amdgpu]
[Di Mai 31 04:44:19 2022] amdgpu_irq_handler+0x26/0xa0 [amdgpu]
[Di Mai 31 04:44:19 2022] __handle_irq_event_percpu+0x42/0x170
[Di Mai 31 04:44:19 2022] handle_irq_event+0x59/0xb0
[Di Mai 31 04:44:19 2022] handle_edge_irq+0x8c/0x220
[Di Mai 31 04:44:19 2022] __common_interrupt+0x52/0xe0
[Di Mai 31 04:44:19 2022] common_interrupt+0x85/0xa0
[Di Mai 31 04:44:19 2022] </IRQ>
[Di Mai 31 04:44:19 2022] <TASK>
[Di Mai 31 04:44:19 2022] asm_common_interrupt+0x1e/0x40
[Di Mai 31 04:44:19 2022] RIP: 0010:mwait_idle+0x55/0x80
[Di Mai 31 04:44:19 2022] Code: 31 d2 48 89 d1 65 48 8b 04 25 c0 fb 01 00 0f 01
c8 48 8b 00 a8 08 75 2d eb 07 0f 00 2d 4c 03 4b 00 31 c0 48 89 c1 fb 0f 01 c9
<65> 48 8b 04 25 c0 fb 01 00 f0 80 60 02 df 5d c3 0f ae f0 0f ae 38
[Di Mai 31 04:44:19 2022] RSP: 0018:ffffb184800a7e80 EFLAGS: 00000246
[Di Mai 31 04:44:19 2022] RAX: 0000000000000000 RBX: ffff897ec03197c0 RCX:
0000000000000000
[Di Mai 31 04:44:19 2022] RDX: 0000000000000000 RSI: ffffb184800a7e40 RDI:
0000000000013342
[Di Mai 31 04:44:19 2022] RBP: ffffb184800a7e80 R08: 0000000000000001 R09:
0000000000000000
[Di Mai 31 04:44:19 2022] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000000
[Di Mai 31 04:44:19 2022] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[Di Mai 31 04:44:19 2022] arch_cpu_idle+0x15/0x20
[Di Mai 31 04:44:19 2022] default_idle_call+0x3a/0xc0
[Di Mai 31 04:44:19 2022] cpuidle_idle_call+0x175/0x1e0
[Di Mai 31 04:44:19 2022] do_idle+0x83/0xf0
[Di Mai 31 04:44:19 2022] cpu_startup_entry+0x20/0x30
[Di Mai 31 04:44:19 2022] start_secondary+0x12a/0x180
[Di Mai 31 04:44:19 2022] secondary_startup_64_no_verify+0xc2/0xcb
[Di Mai 31 04:44:19 2022] </TASK>
[Di Mai 31 04:44:19 2022]
================================================================================
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Attachment added: "dmesg and lspci -vvnn"
https://bugs.launchpad.net/bugs/1976325/+attachment/5593954/+files/dmesg-lspci-vvnn.txt
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https://bugs.launchpad.net/bugs/1976325
Title:
5.15.0-33-generic #34-Ubuntu SMP AMD 64 UBSAN
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