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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-24 01:58:41 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-26 00:23:03 +0300 |
| commit | c900f2e42c6ef4b51b5b9237fa6829a4db544d29 (patch) | |
| tree | 8e594a422e0830c545777d28348396ccf8d5297a /tools | |
| parent | 68bc9773cf9c0ad698876424f7d294e4244d3819 (diff) | |
tools/target_dem_fuzzer: Check fmt before dereferencing
Fixes: NULL pointer dereference
Fixes: 44884/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4656748688965632
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/target_dem_fuzzer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c index 687989ccc8..32767a0182 100644 --- a/tools/target_dem_fuzzer.c +++ b/tools/target_dem_fuzzer.c @@ -173,7 +173,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { } // HLS uses a loop with sleep, we thus must breakout or we timeout - if (!strcmp(fmt->name, "hls")) + if (fmt && !strcmp(fmt->name, "hls")) interrupt_counter &= 31; if (!io_buffer_size || size / io_buffer_size > maxblocks) |