[Bug 215445] UBSAN: invalid-load in amdgpu_dm.c:5882:84 - load of value 32 is not a valid value for type '_Bool'

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215445

--- Comment #2 from Bogdan (bogdan.pylypenko107@gmail.com) ---
> [    7.729181]
> ================================================================================
> [    7.729183] UBSAN: invalid-load in
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5882:84
> [    7.729185] load of value 32 is not a valid value for type '_Bool'
> [    7.729186] CPU: 5 PID: 4803 Comm: systemd-udevd Tainted: G           O   
>   5.15.12-gentoo-x86_64 #11
> [    7.729188] Hardware name: HP HP Pavilion Gaming Laptop 15-ec1xxx/87B1,
> BIOS F.20 11/04/2020
> [    7.729190] Call Trace:
> [    7.729192]  <TASK>
> [    7.729193]  dump_stack_lvl+0x45/0x59
> [    7.729200]  ubsan_epilogue+0x5/0x40
> [    7.729202]  __ubsan_handle_load_invalid_value.cold+0x43/0x48
> [    7.729204]  create_stream_for_sink.cold+0x3a/0x7d [amdgpu]
> [    7.729387]  create_validate_stream_for_sink+0x55/0x140 [amdgpu]
> [    7.729537]  amdgpu_dm_connector_mode_valid+0x4f/0x180 [amdgpu]
> [    7.729678]  drm_connector_mode_valid+0x35/0x80
> [    7.729682]  drm_helper_probe_single_connector_modes+0x3b2/0x880
> [    7.729684]  drm_client_modeset_probe+0x287/0x1380
> [    7.729686]  ? kmem_cache_alloc_trace+0x17d/0x380
> [    7.729689]  ? trace_hardirqs_on+0x2b/0x100
> [    7.729692]  ? ktime_get_mono_fast_ns+0x49/0xc0
> [    7.729694]  __drm_fb_helper_initial_config_and_unlock+0x44/0x500
> [    7.729696]  ? drm_file_alloc+0x199/0x280
> [    7.729698]  ? drm_client_init+0x12e/0x180
> [    7.729700]  amdgpu_fbdev_init+0xd6/0x140 [amdgpu]
> [    7.729749]  amdgpu_device_init.cold+0xfc0/0x1b4c [amdgpu]
> [    7.729749]  ? _raw_spin_unlock_irqrestore+0x15/0x40
> [    7.729749]  ? pci_conf1_read+0x99/0x100
> [    7.729749]  ? pci_bus_read_config_word+0x49/0x80
> [    7.729749]  amdgpu_driver_load_kms+0x67/0x340 [amdgpu]
> [    7.729749]  amdgpu_pci_probe+0x113/0x1c0 [amdgpu]
> [    7.729749]  pci_device_probe+0xe1/0x180
> [    7.729749]  really_probe+0x207/0x400
> [    7.729749]  __driver_probe_device+0x10d/0x1c0
> [    7.729749]  driver_probe_device+0x1e/0xc0
> [    7.729749]  __driver_attach+0xce/0x200
> [    7.729749]  ? __device_attach_driver+0x100/0x100
> [    7.729749]  bus_for_each_dev+0x78/0xc0
> [    7.729749]  bus_add_driver+0x12b/0x200
> [    7.729749]  driver_register+0x8f/0x100
> [    7.729749]  ? 0xffffffffc0d84000
> [    7.729749]  do_one_initcall+0x44/0x240
> [    7.729749]  ? kmem_cache_alloc_trace+0x17d/0x380
> [    7.729749]  do_init_module+0x87/0x280
> [    7.729749]  __do_sys_init_module+0x12d/0x1c0
> [    7.729749]  do_syscall_64+0x5c/0xc0
> [    7.729749]  ? trace_hardirqs_on_prepare+0x24/0xc0
> [    7.729749]  ? syscall_exit_to_user_mode+0x2c/0x80
> [    7.729749]  ? do_syscall_64+0x69/0xc0
> [    7.729749]  ? trace_hardirqs_on_prepare+0x24/0xc0
> [    7.729749]  ? syscall_exit_to_user_mode+0x2c/0x80
> [    7.729749]  ? do_syscall_64+0x69/0xc0
> [    7.729749]  ? do_user_addr_fault+0x1e6/0x6c0
> [    7.729749]  ? trace_hardirqs_off+0x26/0xc0
> [    7.729749]  ? exc_page_fault+0x89/0x140
> [    7.729749]  entry_SYSCALL_64_after_hwframe+0x44/0xae
> [    7.729749] RIP: 0033:0x701aa4f7be0a
> [    7.729749] Code: 48 8b 0d 61 80 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e
> 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 af 00 00 00 0f 05 <48> 3d
> 01 f0 ff ff 73 01 c3 48 8b 0d 2e 80 0b 00 f7 d8 64 89 01 48
> [    7.729749] RSP: 002b:00007ffe4ebcb818 EFLAGS: 00000246 ORIG_RAX:
> 00000000000000af
> [    7.729749] RAX: ffffffffffffffda RBX: 000060e5c69b38b0 RCX:
> 0000701aa4f7be0a
> [    7.729749] RDX: 000060e5c69bea80 RSI: 000000000157d12f RDI:
> 0000701aa2499010
> [    7.729749] RBP: 00007ffe4ebcb860 R08: 0000701aa3c7f000 R09:
> 0000000000000000
> [    7.729749] R10: 000060e5c6b2d5f0 R11: 0000000000000246 R12:
> 000060e5c69bea80
> [    7.729749] R13: 0000701aa2499010 R14: 000000000000003c R15:
> 000060e5c6b152b0
> [    7.729749]  </TASK>
> [    7.730306]
> ================================================================================

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