From: Anand Moon <anandx.ram.moon@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Chris Wilson <chris@chris-wilson.co.uk>, Matthew Auld <matthew.auld@intel.com>, Tvrtko Ursulin <tvrtko.ursulin@intel.com>, Jani Nikula <jani.nikula@linux.intel.com>, Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com> Cc: Anand Moon <anandx.ram.moon@intel.com> Subject: [PATCH] drm/i915/gem: Add a check for object size for corner cases Date: Wed, 10 Feb 2021 13:29:29 +0530 [thread overview] Message-ID: <20210210075929.5357-1-anandx.ram.moon@intel.com> (raw) Add check for object size to return appropriate error -E2BIG or -EINVAL to avoid WARM_ON and sucessfull return for some testcase. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Anand Moon <anandx.ram.moon@intel.com> --- VLK-17702: Since these object size is U64 these corner case will not come into real test senario. IGT testcase: sudo ./gem_create --r create-massive sudo ./gem_userptr_blits --r input-checking --- drivers/gpu/drm/i915/gem/i915_gem_object.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 366d23afbb1a..afc37546da20 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -33,6 +33,9 @@ static inline bool i915_gem_object_size_2big(u64 size) { struct drm_i915_gem_object *obj; + if (size == -1 || size == (-1ull << 32)) + return true; + if (GEM_CHECK_SIZE_OVERFLOW(size)) return true; -- 2.30.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Anand Moon <anandx.ram.moon@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Chris Wilson <chris@chris-wilson.co.uk>, Matthew Auld <matthew.auld@intel.com>, Tvrtko Ursulin <tvrtko.ursulin@intel.com>, Jani Nikula <jani.nikula@linux.intel.com>, Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com> Cc: Anand Moon <anandx.ram.moon@intel.com> Subject: [Intel-gfx] [PATCH] drm/i915/gem: Add a check for object size for corner cases Date: Wed, 10 Feb 2021 13:29:29 +0530 [thread overview] Message-ID: <20210210075929.5357-1-anandx.ram.moon@intel.com> (raw) Add check for object size to return appropriate error -E2BIG or -EINVAL to avoid WARM_ON and sucessfull return for some testcase. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Anand Moon <anandx.ram.moon@intel.com> --- VLK-17702: Since these object size is U64 these corner case will not come into real test senario. IGT testcase: sudo ./gem_create --r create-massive sudo ./gem_userptr_blits --r input-checking --- drivers/gpu/drm/i915/gem/i915_gem_object.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 366d23afbb1a..afc37546da20 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -33,6 +33,9 @@ static inline bool i915_gem_object_size_2big(u64 size) { struct drm_i915_gem_object *obj; + if (size == -1 || size == (-1ull << 32)) + return true; + if (GEM_CHECK_SIZE_OVERFLOW(size)) return true; -- 2.30.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next reply other threads:[~2021-02-10 7:58 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-10 7:59 Anand Moon [this message] 2021-02-10 7:59 ` [Intel-gfx] [PATCH] drm/i915/gem: Add a check for object size for corner cases Anand Moon 2021-02-10 8:49 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork 2021-02-10 10:45 ` [Intel-gfx] [PATCH] " Chris Wilson 2021-02-10 10:45 ` Chris Wilson 2021-02-15 12:29 ` Ram Moon, AnandX 2021-02-15 12:29 ` Ram Moon, AnandX 2021-02-15 12:39 ` Chris Wilson 2021-02-15 12:39 ` Chris Wilson 2021-02-16 12:05 ` Ram Moon, AnandX 2021-02-16 12:05 ` Ram Moon, AnandX 2021-02-16 12:07 ` Chris Wilson 2021-02-16 12:07 ` Chris Wilson 2021-02-10 11:05 ` [Intel-gfx] ✓ Fi.CI.IGT: success for " Patchwork
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