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drm/amdgpu: Fix out-of-bounds write warning

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[ Upstream commit be1684930f5262a622d40ce7a6f1423530d87f89 ]

Check the ring type value to fix the out-of-bounds
write warning

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

CVE-2024-46725
(cherry picked from commit 130bee397b9cd52006145c87a456fd8719390cb5 linux-6.10.y)
Signed-off-by: Bethany Jamison <bethany.jamison@canonical.com>
Acked-by: Manuel Diewald <manuel.diewald@canonical.com>
Acked-by: Guoqing Jiang <guoqing.jiang@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Ma Jun
2024-10-16 21:42:00 +02:00
committed by Mehmet Basaran
parent 1b7a0f4a0d
commit b57abadee1
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+1 -1
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@@ -352,7 +352,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
ring->max_dw = max_dw;
ring->hw_prio = hw_prio;
if (!ring->no_scheduler) {
if (!ring->no_scheduler && ring->funcs->type < AMDGPU_HW_IP_NUM) {
hw_ip = ring->funcs->type;
num_sched = &adev->gpu_sched[hw_ip][hw_prio].num_scheds;
adev->gpu_sched[hw_ip][hw_prio].sched[(*num_sched)++] =