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[FFmpeg-devel] avcodec/vlc: multi vlc fix

Message ID CAPYw7P5ixQfU9oOUKSHaXigR7Um36_zZpfHDSGSMv8Q_EAqQ5Q@mail.gmail.com
State New
Headers show
Series [FFmpeg-devel] avcodec/vlc: multi vlc fix | expand

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Context Check Description
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Paul B Mahol Sept. 17, 2023, 8:39 a.m. UTC
Attached.

Comments

Michael Niedermayer Sept. 17, 2023, 2:39 p.m. UTC | #1
On Sun, Sep 17, 2023 at 10:39:21AM +0200, Paul B Mahol wrote:
> Attached.

>  vlc.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> d870bba425f718274648fad97b10f71d1698b543  0001-avcodec-vlc-add-correct-upper-limit-for-recursive-fu.patch
> From 1bd41c73a9113fd99c4f920dd9493fab258c6a84 Mon Sep 17 00:00:00 2001
> From: Paul B Mahol <onemda@gmail.com>
> Date: Sun, 17 Sep 2023 10:29:34 +0200
> Subject: [PATCH] avcodec/vlc: add correct upper limit for recursive function
> 
> Signed-off-by: Paul B Mahol <onemda@gmail.com>
> ---
>  libavcodec/vlc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks!

[...]
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Patch

From 1bd41c73a9113fd99c4f920dd9493fab258c6a84 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sun, 17 Sep 2023 10:29:34 +0200
Subject: [PATCH] avcodec/vlc: add correct upper limit for recursive function

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavcodec/vlc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vlc.c b/libavcodec/vlc.c
index b353d2e86c..3b66c94354 100644
--- a/libavcodec/vlc.c
+++ b/libavcodec/vlc.c
@@ -419,7 +419,7 @@  static int vlc_multi_gen(VLC_MULTI_ELEM *table, const VLC *single,
     }
 
     add_level(table, nb_elems, nb_codes, numbits, buf,
-              0, 0, numbits, 0, minbits, max, count, &info);
+              0, 0, FFMIN(maxbits, numbits), 0, minbits, max, count, &info);
 
     av_log(NULL, AV_LOG_DEBUG, "Joint: %d/%d/%d/%d/%d codes min=%ubits max=%u\n",
            count[0], count[1], count[2], count[3], count[4], minbits, max);
-- 
2.42.0