[igt-dev] [PATCH i-g-t] tests/gem_mmap_offset: Fix invalid munmap in api_intel_bb

Zbigniew Kempczyński zbigniew.kempczynski at intel.com
Tue Mar 23 18:13:01 UTC 2021


Fix bug which leads to SIGSEGV in api_intel_bb at render-ccs test.
Instead of pointer unmap was done on intel_buf what was wrong.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Cc: Petri Latvala <petri.latvala at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/i915/api_intel_bb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/i915/api_intel_bb.c b/tests/i915/api_intel_bb.c
index cc1d1be6e..9115d3f8f 100644
--- a/tests/i915/api_intel_bb.c
+++ b/tests/i915/api_intel_bb.c
@@ -1068,7 +1068,7 @@ static uint32_t count_compressed(int gen, struct intel_buf *buf)
 		if (ptr[buf->ccs[0].offset + i])
 			compressed++;
 
-	munmap(buf, intel_buf_bo_size(buf));
+	munmap(ptr, intel_buf_bo_size(buf));
 
 	return compressed;
 }
-- 
2.26.0



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