diff options
authorMarek Olšák <>2016-12-02 15:39:25 +0100
committerMarek Olšák <>2016-12-07 18:46:54 +0100
commit6dc96de303290e8d1fc294da478c4f370be98dea (patch)
parente9133dd90ec498cfb6a23fa22504e06488352c51 (diff)
cso: don't release sampler states that are bound
This fixes random radeonsi GPU hangs in Batman Arkham: Origins (Wine) and probably many other games too. cso_cache deletes sampler states when the cache size is too big and doesn't check which sampler states are bound, causing use-after-free in drivers. Because of that, radeonsi uploaded garbage sampler states and the hardware went bananas. Other drivers may have experienced similar issues. Cc: 12.0 13.0 <> Reviewed-by: Nicolai Hähnle <> Reviewed-by: Edward O'Callaghan <>
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.c b/src/gallium/auxiliary/cso_cache/cso_cache.c
index b240c938dcc..1f3be4b28c7 100644
--- a/src/gallium/auxiliary/cso_cache/cso_cache.c
+++ b/src/gallium/auxiliary/cso_cache/cso_cache.c
@@ -188,7 +188,9 @@ cso_insert_state(struct cso_cache *sc,
void *state)
struct cso_hash *hash = _cso_hash_for_type(sc, type);
- sanitize_hash(sc, hash, type, sc->max_size);
+ if (type != CSO_SAMPLER)
+ sanitize_hash(sc, hash, type, sc->max_size);
return cso_hash_insert(hash, hash_key, state);