From d153cbe62bc1cf7317d9a756311206fb1e8557d7 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Mon, 4 Apr 2016 15:43:30 -0700
Subject: [PATCH] Allow specifying max input length

---
 build.yaml                                       | 5 +++++
 templates/tools/fuzzer/runners.template          | 2 +-
 tools/fuzzer/runners/hpack_parser_fuzzer_test.sh | 2 +-
 tools/fuzzer/runners/http_fuzzer_test.sh         | 2 +-
 tools/fuzzer/runners/json_fuzzer_test.sh         | 2 +-
 tools/fuzzer/runners/server_fuzzer.sh            | 2 +-
 tools/fuzzer/runners/uri_fuzzer_test.sh          | 2 +-
 7 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/build.yaml b/build.yaml
index 30800de9ae8..feeca446194 100644
--- a/build.yaml
+++ b/build.yaml
@@ -1638,6 +1638,7 @@ targets:
   - gpr
   corpus_dirs:
   - test/core/transport/chttp2/hpack_parser_corpus
+  maxlen: 512
 - name: hpack_parser_test
   build: test
   language: c
@@ -1670,6 +1671,7 @@ targets:
   - gpr
   corpus_dirs:
   - test/core/http/corpus
+  maxlen: 2048
 - name: http_parser_test
   build: test
   language: c
@@ -1783,6 +1785,7 @@ targets:
   - gpr
   corpus_dirs:
   - test/core/json/corpus
+  maxlen: 512
 - name: json_rewrite
   build: test
   run: false
@@ -1960,6 +1963,7 @@ targets:
   - gpr
   corpus_dirs:
   - test/core/end2end/fuzzers/server_fuzzer_corpus
+  maxlen: 2048
 - name: server_test
   build: test
   language: c
@@ -2170,6 +2174,7 @@ targets:
   - gpr
   corpus_dirs:
   - test/core/client_config/uri_corpus
+  maxlen: 128
 - name: uri_parser_test
   build: test
   language: c
diff --git a/templates/tools/fuzzer/runners.template b/templates/tools/fuzzer/runners.template
index b82c51793fb..d35840bdaac 100644
--- a/templates/tools/fuzzer/runners.template
+++ b/templates/tools/fuzzer/runners.template
@@ -35,7 +35,7 @@ template: |
   # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   #
 
-  flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+  flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=${selected.maxlen}"
   if [ "$config" == "asan-trace-cmp" ]
   then
     flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
index ebe09bc0722..542d93e890d 100644
--- a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
+++ b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=512"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/http_fuzzer_test.sh b/tools/fuzzer/runners/http_fuzzer_test.sh
index bb6dc95085f..66d68db3dad 100644
--- a/tools/fuzzer/runners/http_fuzzer_test.sh
+++ b/tools/fuzzer/runners/http_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=2048"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/json_fuzzer_test.sh b/tools/fuzzer/runners/json_fuzzer_test.sh
index 303eb9fd002..89815c5c88d 100644
--- a/tools/fuzzer/runners/json_fuzzer_test.sh
+++ b/tools/fuzzer/runners/json_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=512"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/server_fuzzer.sh b/tools/fuzzer/runners/server_fuzzer.sh
index c905343243f..91d33e95375 100644
--- a/tools/fuzzer/runners/server_fuzzer.sh
+++ b/tools/fuzzer/runners/server_fuzzer.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=2048"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/uri_fuzzer_test.sh b/tools/fuzzer/runners/uri_fuzzer_test.sh
index 2bdc9491582..aa48c71d56e 100644
--- a/tools/fuzzer/runners/uri_fuzzer_test.sh
+++ b/tools/fuzzer/runners/uri_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/"
+flags="-max_total_time=3600 -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=128"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"