32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From 7a089ed8e049e3bfcb22de1250b86f2106060857 Mon Sep 17 00:00:00 2001
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From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Date: Tue, 12 Mar 2024 23:23:17 +0100
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Subject: [PATCH] avformat/avidec: Fix integer overflow iff ULONG_MAX <
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INT64_MAX
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Affects many FATE-tests, see
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https://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu
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Reviewed-by: James Almer <jamrial@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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---
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libavformat/avidec.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libavformat/avidec.c b/libavformat/avidec.c
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index f3183b2698..985a9bf022 100644
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--- a/libavformat/avidec.c
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+++ b/libavformat/avidec.c
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@@ -1696,7 +1696,7 @@ static int check_stream_max_drift(AVFormatContext *s)
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int *idx = av_calloc(s->nb_streams, sizeof(*idx));
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if (!idx)
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return AVERROR(ENOMEM);
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- for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {
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+ for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1ULL) {
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int64_t max_dts = INT64_MIN / 2;
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int64_t min_dts = INT64_MAX / 2;
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int64_t max_buffer = 0;
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--
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2.43.0
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