AMD General The series is: Reviewed-by: Tao Zhou <[email protected]>
> -----Original Message----- > From: Chai, Thomas <[email protected]> > Sent: Tuesday, June 16, 2026 5:38 PM > To: [email protected] > Cc: Chai, Thomas <[email protected]>; Zhang, Hawking > <[email protected]>; Zhou1, Tao <[email protected]>; Li, Candice > <[email protected]>; Chai, Thomas <[email protected]> > Subject: [PATCH V2 1/2] drm/amdgpu: add bounds check to prevent array overflow > > Add bounds check to prevent array overflow. > > v2: > Add warning messages. > > Signed-off-by: YiPeng Chai <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > index 94ddb8b98abf..8a49ae4c0132 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > @@ -5064,6 +5064,13 @@ static void > amdgpu_register_bad_pages_mca_notifier(struct amdgpu_device *adev) > * Use this list instead of mgpu_info to find the amdgpu > * device on which the UMC error was reported. > */ > + if (mce_adev_list.num_gpu >= MAX_GPU_INSTANCE) { > + dev_warn_ratelimited(adev->dev, > + "mce_adev_list full, skip notifier registration > (max=%d)\n", > + MAX_GPU_INSTANCE); > + return; > + } > + > mce_adev_list.devs[mce_adev_list.num_gpu++] = adev; > > /* > -- > 2.43.0
