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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Andrew Morton , Willy Tarreau , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Chris Wilson , Matthew Auld , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , "Ritesh Harjani (IBM)" , Shrikanth Hegde , Rik van Riel , Benjamin Herrenschmidt Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linuxppc-dev@lists.ozlabs.org, "David Hildenbrand (Arm)" X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1199; i=david@kernel.org; h=from:subject:message-id; bh=UNHRKTPPJVrGYq3JL2OOfSiN8BE6XDeP4WdpR0zw48w=; b=owGbwMvMwCF2/OVpCdfQ3ZWMp9WSGLK+WfzXfSMdyle0+taS0KYbrY+ZzNvWegtJcp07d9F1o 8y9imPFHaUsDGIcDLJiiixBwfcNXr5cV1vtxscMM4eVCWQIAxenAExkkzEjw1dWKyPrzb+96jf5 r53V6B4zxaXk36Gv5ozRBdwzOZ5LsDMyfDYz6l6worxt7dyFeduun10lZLpV2HND/cMu4aMaMY/ 7uAE= X-Developer-Key: i=david@kernel.org; a=openpgp; fpr=1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: DC01580006 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Stat-Signature: 3o6gg1qy9zp81tugtky981ptu465c5u7 X-Rspam-User: X-HE-Tag: 1794521374-655459 X-HE-Meta: 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 HwaMclEY 1++8Bi7CkXd10lHP+1E1+5WdakqWTZlxU3SR+YEH3O9xpDrf71CI2tMuFT8HG2JR+B0d4F8FhK5cVekb0l6qxT8VUJc/H2ENFjGOrR9dFkkot/kvpP1fq8EFjihxniFEeRUgYm6I9Uhl7W05MhHGZXNP518p33IIGTNhqxZz7e8+jvBImqWj8k3v8uQHJS+66G4Z3alvp1B0pyDKtcjxaOYXJOPqDDw0rJreMIIiAmelhvGpIMkS8N5BP5BhjgzYMaPcPu1sHusZgSX+kswtgszUKxgB+JQ1uMcGxCtQtQDDfR4t4Rt6PS49Rsoh8gTYqmcrU Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 __igt_mmap_access() reads the buffer with access_process_vm() without FOLL_FORCE, but creates the mapping with only PROT_WRITE. Request PROT_READ as well so the test remains valid when we fix the ->access fallback to properly check VMA access permissions. Fixes: 9f909e215fea ("drm/i915: Implement vm_ops->access for gdb access into mmaps") Signed-off-by: David Hildenbrand (Arm) --- drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 303be698891fd..d9c828032a1aa 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -1460,7 +1460,8 @@ static int __igt_mmap_access(struct drm_i915_private *i915, if (err) return err; - addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED); + addr = igt_mmap_offset(i915, offset, obj->base.size, + PROT_READ | PROT_WRITE, MAP_SHARED); if (IS_ERR_VALUE(addr)) return addr; ptr = (unsigned long __user *)addr; -- 2.43.0