ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 00:39:49 2024 +0100| [0bed22d597b78999151e3bde0768b7fe763fc2a6] | committer: Michael Niedermayer
avformat/sbgdec: Check for negative duration Fixes: signed integer overflow: 9223372036854775807 - -8000000 cannot be represented in type 'long' Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-5133181743136768 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0bed22d597b78999151e3bde0768b7fe763fc2a6 --- libavformat/sbgdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/sbgdec.c b/libavformat/sbgdec.c index bc2469afd1..e60eb1481e 100644 --- a/libavformat/sbgdec.c +++ b/libavformat/sbgdec.c @@ -387,7 +387,7 @@ static int parse_options(struct sbg_parser *p) case 'L': FORWARD_ERROR(parse_optarg(p, opt, &oarg)); r = str_to_time(oarg.s, &p->scs.opt_duration); - if (oarg.e != oarg.s + r) { + if (oarg.e != oarg.s + r || p->scs.opt_duration < 0) { snprintf(p->err_msg, sizeof(p->err_msg), "syntax error for option -L"); return AVERROR_INVALIDDATA; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
