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Merge tag 'drm-intel-fixes-2024-06-27' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes

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drm/i915 fixes for v6.10-rc6:
- Fix potential UAF due to race on fence register revocation

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87ikxudcpd.fsf@intel.com
This commit is contained in:
Dave Airlie 2024-06-28 07:27:15 +10:00
parent 7a1b3f318b 996c3412a0
commit 3e6d5e1199
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
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@ -298,6 +298,7 @@ void i915_vma_revoke_fence(struct i915_vma *vma)
return;
GEM_BUG_ON(fence->vma != vma);
i915_active_wait(&fence->active);
GEM_BUG_ON(!i915_active_is_idle(&fence->active));
GEM_BUG_ON(atomic_read(&fence->pin_count));