commit 5c290091ed3456fc7b6f765f4fec0b5e2fda6652
author Ben Clayton <bclayton@google.com> Thu Jul 13 14:02:17 2023 +0000
committer Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com> Thu Jul 13 14:02:17 2023 +0000
tree ae73eb277d4b8846f0942310e40288da9007404a
parent fa554cb9820cdbf53e56ef5f67ea40d05ce874d0

[tint][fuzzers] Skip over unsupported extensions

Change-Id: I749f780e178a8fd62080c8e93daeee19da21c897
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/140990
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>

src/tint/fuzzers/tint_ir_roundtrip_fuzzer.cc

diff --git a/src/tint/fuzzers/tint_ir_roundtrip_fuzzer.cc b/src/tint/fuzzers/tint_ir_roundtrip_fuzzer.cc
index 438ec91..352ea6f 100644
--- a/src/tint/fuzzers/tint_ir_roundtrip_fuzzer.cc
+++ b/src/tint/fuzzers/tint_ir_roundtrip_fuzzer.cc
@@ -46,6 +46,26 @@
         return 0;
     }
 
+    auto is_unsupported = [](const tint::ast::Enable* enable) {
+        for (auto ext : enable->extensions) {
+            switch (ext->name) {
+                case tint::builtin::Extension::kChromiumExperimentalDp4A:
+                case tint::builtin::Extension::kChromiumExperimentalFullPtrParameters:
+                case tint::builtin::Extension::kChromiumExperimentalPushConstant:
+                case tint::builtin::Extension::kChromiumInternalDualSourceBlending:
+                case tint::builtin::Extension::kChromiumInternalRelaxedUniformLayout:
+                    return true;
+                default:
+                    break;
+            }
+        }
+        return false;
+    };
+
+    if (src.AST().Enables().Any(is_unsupported)) {
+        return 0;
+    }
+
     src = tint::fuzzers::ApplySubstituteOverrides(std::move(src));
     if (!src.IsValid()) {
         return 0;