drm/amdgpu: fix possible UAF in amdgpu_cs_pass1()

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commit 90e065677e upstream.

Since the gang_size check is outside of chunk parsing
loop, we need to reset i before we free the chunk data.

Suggested by Ye Zhang (@VAR10CK) of Baidu Security.

Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Alex Deucher 2023-07-28 11:14:05 -04:00 • committed by Greg Kroah-Hartman

parent 8996eeaac4

commit e08e9dd098

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

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