drm/amdkfd: Fix NULL Pointer Dereference in KFD queue

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commit fd617ea3b7 upstream.

Through KFD IOCTL Fuzzing we encountered a NULL pointer derefrence
when calling kfd_queue_acquire_buffers.

Fixes: 629568d25f ("drm/amdkfd: Validate queue cwsr area and eop buffer size")
Signed-off-by: Andrew Martin <Andrew.Martin@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Andrew Martin <Andrew.Martin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 049e5bf3c8)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Andrew Martin 2025-02-28 11:26:48 -05:00 • committed by Greg Kroah-Hartman

parent e0345c3478

commit c3cbeafb4e

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/amd/amdkfd/kfd_queue.c

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