From 7445035dd3f22fc4c151058304b2dc6df4aca59b Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Thu, 18 Jun 2026 10:45:10 +0530 Subject: [PATCH] drm/amdgpu: bounds check xcp ip block index Check out of range values for ip block. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c index 9202ddf3d69c..c6b43353e08e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c @@ -381,7 +381,8 @@ int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp, enum AMDGPU_XCP_IP_BLOCK ip, uint32_t *inst_mask) { - if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid)) + if (!xcp->valid || !inst_mask || ip >= AMDGPU_XCP_MAX_BLOCKS || + !(xcp->ip[ip].valid)) return -EINVAL; *inst_mask = xcp->ip[ip].inst_mask;