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From: Andrzej Turko <andrzej.turko@linux.intel.com>
To: igt-dev@lists.freedesktop.org
Subject: [igt-dev] [PATCH i-g-t 1/2] lib/intel_allocator_simple: Check boundaries of reserved blocks
Date: Thu, 22 Jul 2021 10:24:25 +0200	[thread overview]
Message-ID: <20210722082426.4538-2-andrzej.turko@linux.intel.com> (raw)
In-Reply-To: <20210722082426.4538-1-andrzej.turko@linux.intel.com>

Make sure that reserved blocks fit in the
address space managed by the simple allocator.

Signed-off-by: Andrzej Turko <andrzej.turko@linux.intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
---
 lib/intel_allocator_simple.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/intel_allocator_simple.c b/lib/intel_allocator_simple.c
index 0e6763964..8d5105f11 100644
--- a/lib/intel_allocator_simple.c
+++ b/lib/intel_allocator_simple.c
@@ -523,6 +523,8 @@ static bool intel_allocator_simple_reserve(struct intel_allocator *ial,
 	end = DECANONICAL(end);
 	igt_assert(end > start || end == 0);
 	size = get_size(start, end);
+	igt_assert(start + size <= ials->end);
+	igt_assert(start >= ials->start);
 
 	if (simple_vma_heap_alloc_addr(ials, start, size)) {
 		rec = malloc(sizeof(*rec));
-- 
2.25.1

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  reply	other threads:[~2021-07-22  8:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-22  8:24 [igt-dev] [PATCH i-g-t 0/2] Check the addresses of blocks being reserved Andrzej Turko
2021-07-22  8:24 ` Andrzej Turko [this message]
2021-07-28 16:54   ` [igt-dev] [PATCH i-g-t 1/2] lib/intel_allocator_simple: Check boundaries of reserved blocks Zbigniew Kempczyński
2021-07-22  8:24 ` [igt-dev] [PATCH i-g-t 2/2] tests/i915/gem_softpin: Adjust the addresses of reverved blocks Andrzej Turko
2021-07-28 17:14   ` Zbigniew Kempczyński
2021-07-22  9:19 ` [igt-dev] ✓ Fi.CI.BAT: success for Check the addresses of blocks being reserved Patchwork
2021-07-22 11:29 ` [igt-dev] ✗ Fi.CI.IGT: failure " Patchwork

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