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authorMichael Niedermayer <michael@niedermayer.cc>2019-09-26 15:40:30 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-10-10 14:34:19 +0200
commit080819b3b4b59ef498511ac349414af85728349c (patch)
tree7484521cbd7fc6ca9325dbd775ca4a8ec5408d3a /libavcodec/exr.c
parent4a3303d52096337dc109fbd523ecb4b46cddace1 (diff)
avcodec/exr: Allow duplicate use of channel indexes
Fixes: Ticket #8203 Reported-by: durandal_1707 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/exr.c')
-rw-r--r--libavcodec/exr.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 28e636add3..aeeaed40f5 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -1307,6 +1307,7 @@ static int decode_header(EXRContext *s, AVFrame *frame)
int magic_number, version, i, flags, sar = 0;
int layer_match = 0;
int ret;
+ int dup_channels = 0;
s->current_channel_offset = 0;
s->xmin = ~0;
@@ -1465,10 +1466,12 @@ static int decode_header(EXRContext *s, AVFrame *frame)
s->pixel_type = current_pixel_type;
s->channel_offsets[channel_index] = s->current_channel_offset;
} else if (channel_index >= 0) {
- av_log(s->avctx, AV_LOG_ERROR,
+ av_log(s->avctx, AV_LOG_WARNING,
"Multiple channels with index %d.\n", channel_index);
- ret = AVERROR_INVALIDDATA;
- goto fail;
+ if (++dup_channels > 10) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
}
s->channels = av_realloc(s->channels,