linux-kernel - Re: 6.5.5: UBSAN: radeon_atombios.c: index 1 is out of range for type 'UCHAR [1]'

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Message-ID: <CAO9zADyfaLRWB-0rdojnbFD6SUsqX+zb9JZSZUkgTC7VJN=c1A@mail.gmail.com>
Date:   Sun, 1 Oct 2023 20:12:08 -0400
From:   Justin Piszcz <jpiszcz@...idpixels.com>
To:     Bagas Sanjaya <bagasdotme@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux AMDGPU <amd-gfx@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        Dave Airlie <airlied@...hat.com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>
Subject: Re: 6.5.5: UBSAN: radeon_atombios.c: index 1 is out of range for type
 'UCHAR [1]'

> > ================================================================================
> > [Sun Oct  1 15:59:04 2023] UBSAN: array-index-out-of-bounds in
> > drivers/gpu/drm/radeon/radeon_atombios.c:2620:43
> > [Sun Oct  1 15:59:04 2023] index 1 is out of range for type 'UCHAR [1]'
> > [Sun Oct  1 15:59:04 2023] CPU: 5 PID: 1 Comm: swapper/0 Tainted: G
> >             T  6.5.5 #13 55df8de52754ef95effc50a55e9206abdea304ac
> > [Sun Oct  1 15:59:04 2023] Hardware name: Supermicro X9SRL-F/X9SRL-F,
> > BIOS 3.3 11/13/2018
> > [Sun Oct  1 15:59:04 2023] Call Trace:
> > [Sun Oct  1 15:59:04 2023]  <TASK>
> > [Sun Oct  1 15:59:04 2023]  dump_stack_lvl+0x36/0x50
> > [Sun Oct  1 15:59:04 2023]  __ubsan_handle_out_of_bounds+0xc7/0x110
> > [Sun Oct  1 15:59:04 2023]  radeon_atombios_get_power_modes+0x87a/0x8f0
> > [Sun Oct  1 15:59:04 2023]  radeon_pm_init+0x13a/0x7e0
> > [Sun Oct  1 15:59:04 2023]  evergreen_init+0x13d/0x3d0
> > [Sun Oct  1 15:59:04 2023]  radeon_device_init+0x60a/0xbf0
> > [Sun Oct  1 15:59:04 2023]  radeon_driver_load_kms+0xb1/0x250
> > [Sun Oct  1 15:59:04 2023]  drm_dev_register+0xfc/0x250
> > [Sun Oct  1 15:59:04 2023]  radeon_pci_probe+0xd0/0x150
> > [Sun Oct  1 15:59:04 2023]  pci_device_probe+0x97/0x130
> > [Sun Oct  1 15:59:04 2023]  really_probe+0xbe/0x2f0
> > [Sun Oct  1 15:59:04 2023]  ? __pfx___driver_attach+0x10/0x10
> > [Sun Oct  1 15:59:04 2023]  __driver_probe_device+0x6e/0x120
> > [Sun Oct  1 15:59:04 2023]  driver_probe_device+0x1a/0x90
> > [Sun Oct  1 15:59:04 2023]  __driver_attach+0xd4/0x170
> > [Sun Oct  1 15:59:04 2023]  bus_for_each_dev+0x87/0xe0
> > [Sun Oct  1 15:59:04 2023]  bus_add_driver+0xf3/0x1f0
> > [Sun Oct  1 15:59:04 2023]  driver_register+0x58/0x120
> > [Sun Oct  1 15:59:04 2023]  ? __pfx_radeon_module_init+0x10/0x10
> > [Sun Oct  1 15:59:04 2023]  do_one_initcall+0x93/0x4a0
> > [Sun Oct  1 15:59:04 2023]  kernel_init_freeable+0x301/0x580
> > [Sun Oct  1 15:59:04 2023]  ? __pfx_kernel_init+0x10/0x10
> > [Sun Oct  1 15:59:04 2023]  kernel_init+0x15/0x1b0
> > [Sun Oct  1 15:59:04 2023]  ret_from_fork+0x2f/0x50
> > [Sun Oct  1 15:59:04 2023]  ? __pfx_kernel_init+0x10/0x10
> > [Sun Oct  1 15:59:04 2023]  ret_from_fork_asm+0x1b/0x30
> > [Sun Oct  1 15:59:04 2023]  </TASK>
> > [Sun Oct  1 15:59:04 2023]
> > ================================================================================
> > [Sun Oct  1 15:59:04 2023] [drm] radeon: dpm initialized
> > [Sun Oct  1 15:59:04 2023] [drm] GART: num cpu pages 262144, num gpu
> > pages 262144
> > [Sun Oct  1 15:59:04 2023] [drm] enabling PCIE gen 2 link speeds,
> > disable with radeon.pcie_gen2=0
> > [Sun Oct  1 15:59:04 2023] [drm] PCIE GART of 1024M enabled (table at
> > 0x000000000014C000).
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: WB enabled
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 0
> > use gpu addr 0x0000000040000c00
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 3
> > use gpu addr 0x0000000040000c0c
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: fence driver on ring 5
> > use gpu addr 0x000000000005c418
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: radeon: MSI limited to 32-bit
> > [Sun Oct  1 15:59:04 2023] radeon 0000:03:00.0: radeon: using MSI.
> > [Sun Oct  1 15:59:04 2023] [drm] radeon: irq initialized.
> >
>
> Please also open an issue on freedesktop tracker [1].
>
> Thanks.
>
> [1]: https://gitlab.freedesktop.org/drm/amd/-/issues

Issue opened: https://gitlab.freedesktop.org/drm/amd/-/issues/2894

Regards,
Justin