[FFmpeg-devel] [PATCH] tools: add target_dec_fate.sh

Michael Niedermayer michael at niedermayer.cc
Mon Sep 10 03:22:06 EEST 2018


Script to download and test ossfuzz testcases
This also includes a list of such testcases.
I intend to subsequently fill this list with the cases we have fixed in the past

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 tools/target_dec_fate.list |  6 ++++
 tools/target_dec_fate.sh   | 62 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 tools/target_dec_fate.list
 create mode 100755 tools/target_dec_fate.sh

diff --git a/tools/target_dec_fate.list b/tools/target_dec_fate.list
new file mode 100644
index 0000000000..e0509aaa64
--- /dev/null
+++ b/tools/target_dec_fate.list
@@ -0,0 +1,6 @@
+544/clusterfuzz-testcase-5936536407244800.f8bd9b24_8ba77916_70c2c7be_3df6a2ea_96cd9f14          target_dec_interplay_video_fuzzer
+724/clusterfuzz-testcase-6738249571631104                                                       target_dec_pictor_fuzzer
+1214/clusterfuzz-testcase-minimized-6130606599569408                                            target_dec_h264_fuzzer
+5264/clusterfuzz-testcase-minimized-4621956621008896                                            target_dec_indeo5_fuzzer
+7279/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5977332473921536              target_dec_g2m_fuzzer
+10053/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PROSUMER_fuzzer-5636993883570176        target_dec_prosumer_fuzzer
diff --git a/tools/target_dec_fate.sh b/tools/target_dec_fate.sh
new file mode 100755
index 0000000000..d4e11955ac
--- /dev/null
+++ b/tools/target_dec_fate.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+#
+# Copyleft (c) Michael Niedermayer
+
+set -e
+
+LC_ALL=C
+export LC_ALL
+
+LIST=target_dec_fate.list
+
+show_help(){
+    cat <<EOF
+Usage: ./target_dec_fate.sh <directory> [<test to run>]
+
+directory       the directory into which sample files will be downloaded
+test to run     the number of the issue to test
+Note, some test samples may not yet be available to the public, also this
+script will not download samples which are already in the directory. So you
+may want to preserve its content between runs.
+EOF
+    exit 0
+}
+
+test -z "$1"  && show_help
+test ! -d "$1"  && echo $1 is not an accessable directory && show_help
+test ! -f target_dec_fate.sh && echo $0 Must be run from its location && show_help
+grep 'CONFIG_OSSFUZZ 0' ../config.h && echo not configured for ossfuzz && show_help
+
+#Download testcases
+while read -r LINE; do
+    ISSUE_NUM=`echo $LINE | sed 's#/.*##'`
+    FILE_ID=`echo $LINE | sed 's#.*/clusterfuzz-testcase[a-zA-Z0-9_-]*-\([0-9]*\).*#\1#'`
+    FILE=`echo $LINE | sed 's# .*##'`
+    if test -f "$1/$FILE" ; then
+        echo exists       $FILE
+    else
+        echo downloading  $FILE
+        mkdir -p "$1/$ISSUE_NUM"
+        wget -O "$1/$FILE" "https://oss-fuzz.com/download?testcase_id=$FILE_ID" || rm "$1/$FILE"
+    fi
+done < "$LIST"
+
+#Find which fuzzers we need to build
+TOOLS=
+while read -r LINE; do
+    TOOL_ID=`echo $LINE | sed 's#[^ ]* ##'`
+    TOOLS="$TOOLS tools/$TOOL_ID"
+done < "$LIST"
+
+cd ..
+#Build fuzzers
+make -j4 $TOOLS
+
+#Run testcases
+while read -r LINE; do
+    TOOL_ID=`echo $LINE | sed 's#[^ ]* ##'`
+    FILE=`echo $LINE | sed 's# .*##'`
+    tools/$TOOL_ID $1/$FILE
+done < "tools/$LIST"
+
+echo OK
\ No newline at end of file
-- 
2.18.0



More information about the ffmpeg-devel mailing list