From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH] avformat/avidec: Fix integer overflow iff ULONG_MAX < INT64_MAX
Date: Tue, 12 Mar 2024 23:57:12 +0100
Message-ID: <AS8P250MB07445A3517237022C3BDBCBD8F2B2@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM> (raw)
Affects many FATE-tests, see
http://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/avidec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index f3183b2698..b7cbf148af 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1696,7 +1696,7 @@ static int check_stream_max_drift(AVFormatContext *s)
int *idx = av_calloc(s->nb_streams, sizeof(*idx));
if (!idx)
return AVERROR(ENOMEM);
- for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {
+ for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + (uint64_t)1) {
int64_t max_dts = INT64_MIN / 2;
int64_t min_dts = INT64_MAX / 2;
int64_t max_buffer = 0;
--
2.40.1
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next reply other threads:[~2024-03-12 22:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-12 22:57 Andreas Rheinhardt [this message]
2024-03-12 22:58 ` James Almer
2024-03-12 23:01 ` Andreas Rheinhardt
2024-03-12 23:51 ` James Almer
2024-03-14 19:52 ` Sean McGovern
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