archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-08 03:24:45 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number

Browse source 
Check the fb_channel_number range to avoid the array out-of-bounds
read error

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ma Jun 2024-05-07 09:29:33 +08:00 • committed by Alex Deucher
parent cdca89bce4
commit d768394fa9
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/df_v1_7.c
View file

@ -70,6 +70,8 @@ static u32 df_v1_7_get_hbm_channel_number(struct amdgpu_device *adev)
int fb_channel_number;
fb_channel_number = adev->df.funcs->get_fb_channel_number(adev);
if (fb_channel_number >= ARRAY_SIZE(df_v1_7_channel_number))
fb_channel_number = 0;
return df_v1_7_channel_number[fb_channel_number];
}