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radeonsi: fix an out-of-bounds read reported by ASAN

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We read 4 values out of sample_locs_8x, so make sure the array is
big enough.

Fixes: ac76aeef20 ("radeonsi: switch back to standard DX sample positions")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2018-11-16 17:20:26 +01:00
parent d174cbccfa
commit 46a59ce026
1 changed files with 4 additions and 0 deletions
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4
src/gallium/drivers/radeonsi/si_state_msaa.c
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@ -101,6 +101,10 @@ static const uint64_t centroid_priority_4x = 0x3210321032103210ull;
static const uint32_t sample_locs_8x[] = {
FILL_SREG(-3,-5, 5, 1, -1, 3, 7,-7),
FILL_SREG(-7,-1, 3, 7, -5, 5, 1,-3),
/* The following are unused by hardware, but we emit them to IBs
* instead of multiple SET_CONTEXT_REG packets. */
0,
0,
};
static const uint64_t centroid_priority_8x = 0x3546012735460127ull;