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* [FFmpeg-devel] [PATCH v1] avformat/imf: fix error CPL root element is absent
@ 2022-01-04  6:11 pal
  2022-01-05  0:37 ` Zane van Iperen
  0 siblings, 1 reply; 2+ messages in thread
From: pal @ 2022-01-04  6:11 UTC (permalink / raw)
  To: ffmpeg-devel; +Cc: Pierre-Anthony Lemieux

From: Pierre-Anthony Lemieux <pal@palemieux.com>

Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com>
---

Notes:
    Found through manual fuzzing.

 libavformat/imf_cpl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/imf_cpl.c b/libavformat/imf_cpl.c
index 7055b49ae8..167244a5a2 100644
--- a/libavformat/imf_cpl.c
+++ b/libavformat/imf_cpl.c
@@ -688,7 +688,7 @@ int ff_imf_parse_cpl_from_xml_dom(xmlDocPtr doc, FFIMFCPL **cpl)
     }
 
     cpl_element = xmlDocGetRootElement(doc);
-    if (xmlStrcmp(cpl_element->name, "CompositionPlaylist")) {
+    if ((!cpl_element) || xmlStrcmp(cpl_element->name, "CompositionPlaylist")) {
         av_log(NULL, AV_LOG_ERROR, "The root element of the CPL is not CompositionPlaylist\n");
         ret = AVERROR_INVALIDDATA;
         goto cleanup;
-- 
2.17.1

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2022-01-04  6:11 [FFmpeg-devel] [PATCH v1] avformat/imf: fix error CPL root element is absent pal
2022-01-05  0:37 ` Zane van Iperen

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