Mesa (master): freedreno/decode: Fix overflow
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Wed Feb 3 19:04:55 UTC 2021
Module: Mesa
Branch: master
Commit: ff61e9b54d9133cd7ac2f2d4b4761a43383834a3
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ff61e9b54d9133cd7ac2f2d4b4761a43383834a3
Author: Rob Clark <robdclark at chromium.org>
Date: Tue Feb 2 12:12:14 2021 -0800
freedreno/decode: Fix overflow
CP_SET_DRAW_STATE state-groups count as a 4th level of IB. Fixes a
crash seen on 32b/arm builds of crashdec.
Signed-off-by: Rob Clark <robdclark at chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8842>
---
src/freedreno/decode/cffdec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/freedreno/decode/cffdec.c b/src/freedreno/decode/cffdec.c
index 10b27b0a236..95411671f59 100644
--- a/src/freedreno/decode/cffdec.c
+++ b/src/freedreno/decode/cffdec.c
@@ -71,7 +71,7 @@ static int is_64b(void)
}
-static int draws[3];
+static int draws[4];
static struct {
uint64_t base;
uint32_t size; /* in dwords */
@@ -2656,6 +2656,7 @@ dump_commands(uint32_t *dwords, uint32_t sizedwords, int level)
return;
}
+ assert(ib < ARRAY_SIZE(draws));
draws[ib] = 0;
while (dwords_left > 0) {
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