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tools/target_dem_fuzzer: do not exit on io_buffer allocation failure
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 30 May 2026 17:48:14 +0000 (19:48 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 18 Jun 2026 18:30:59 +0000 (20:30 +0200)
Failure to allocate a randomly sized buffer should not count as a anomaly in the fuzzer
there is nothing to fix in that case

Fixes: 490112574/clusterfuzz-testcase-minimized-ffmpeg_dem_TMV_fuzzer-6600485921685504
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2cce6ad03062b4cb10298513353ce55576ba7712)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
tools/target_dem_fuzzer.c patch | blob | history

diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c
index 8e96fad7f8de876814fe022fd4ffa14a8a24cde6..ad512f4c028480fe4a391571f1276db8228873fa 100644 (file)
--- a/tools/target_dem_fuzzer.c
+++ b/tools/target_dem_fuzzer.c
@@ -185,8 +185,11 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         error("Failed to allocate pkt");
 
     io_buffer = av_malloc(io_buffer_size);
-    if (!io_buffer)
-        error("Failed to allocate io_buffer");
+    if (!io_buffer) {
+        avformat_free_context(avfmt);
+        av_packet_free(&pkt);
+        return 0;
+    }
 
     opaque.filesize = filesize;
     opaque.pos      = 0;
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