Thanks Kevin. I've sent out v2 patch.
BR,
Xiaojie
From: Wang, Kevin(Yang)
Sent: Thursday, September 5, 2019 6:26 PM
To: Yuan, Xiaojie; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amdgpu: fix null pointer deref in firmware header
printing
On 9/5/19 5:41 PM, Yuan, Xiaojie wrote:
> When CE's ucode_id(8) is used to get sdma_hdr, we will be accessing an
> unallocated amdgpu_firmware_info instance.
>
> This issue appears on rhel7.7 with gcc 4.8.5. Newer compilers might have
> optimized out such 'defined but not referenced' variable.
>
When CE's ucode_id(8) is used to get sdma_hdr, we will be accessing an
unallocated amdgpu_firmware_info instance.
This issue appears on rhel7.7 with gcc 4.8.5. Newer compilers might have
optimized out such 'defined but not referenced' variable.
[ 1120.798564] BUG: unable to handle kernel NULL
