From: toseven <byone.h...@gmail.com> --- libavcodec/tests/target_avpacket_fuzzer.c | 114 ++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 libavcodec/tests/target_avpacket_fuzzer.c
diff --git a/libavcodec/tests/target_avpacket_fuzzer.c b/libavcodec/tests/target_avpacket_fuzzer.c new file mode 100644 index 0000000000..22f9898210 --- /dev/null +++ b/libavcodec/tests/target_avpacket_fuzzer.c @@ -0,0 +1,114 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <inttypes.h> +#include <string.h> +#include "libavcodec/avcodec.h" +#include "libavutil/error.h" +#include "config.h" + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); + +static int setup_side_data_entry(AVPacket* avpkt) +{ + const char *data_name = NULL; + int ret = 0, bytes; + uint8_t *extra_data = NULL; + + + /* get side_data_name string */ + data_name = av_packet_side_data_name(AV_PKT_DATA_NEW_EXTRADATA); + + /* Allocate a memory bloc */ + bytes = strlen(data_name); + + if(!(extra_data = (uint8_t *)av_malloc(bytes))){ + ret = AVERROR(ENOMEM); + fprintf(stderr, "Error occurred: %s\n", av_err2str(ret)); + exit(1); + } + /* copy side_data_name to extra_data array */ + memcpy(extra_data, data_name, bytes); + + /* create side data for AVPacket */ + ret = av_packet_add_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, + extra_data, bytes); + if(ret < 0){ + fprintf(stderr, + "Error occurred in av_packet_add_side_data: %s\n", + av_err2str(ret)); + } + + return ret; +} + +static int initializations(AVPacket* avpkt) +{ + av_init_packet(avpkt); + int ret; + ret = setup_side_data_entry(avpkt); + + return ret; +} + +int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) +{ + AVPacket avpkt; + memcmp(&avpkt,data,sizeof(AVPacket)); + + int num; + memcmp(&num,data+sizeof(AVPacket),sizeof(int)); + AVPacket *avpkt_clone = NULL; + int ret = 0; + + if(initializations(&avpkt) < 0){ + printf("failed to initialize variables\n"); + return 1; + } + /* test av_packet_clone*/ + avpkt_clone = av_packet_clone(&avpkt); + + if(!avpkt_clone) { + av_log(NULL, AV_LOG_ERROR,"av_packet_clone failed to clone AVPacket\n"); + return 1; + } + /*test av_grow_packet*/ + if(av_grow_packet(avpkt_clone, num) < 0){ + av_log(NULL, AV_LOG_ERROR, "av_grow_packet failed\n"); + return 1; + } + /* test size error check in av_new_packet*/ + if(av_new_packet(avpkt_clone, num) == 0){ + printf( "av_new_packet failed to return error " + "when \"size\" parameter is too large.\n" ); + ret = 1; + } + /*test size error check in av_packet_from_data*/ + if(av_packet_from_data(avpkt_clone, avpkt_clone->data, num) == 0){ + printf("av_packet_from_data failed to return error " + "when \"size\" parameter is too large.\n" ); + ret = 1; + } + /*clean up*/ + av_packet_free(&avpkt_clone); + av_packet_unref(&avpkt); + + return ret; +} -- 2.26.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".