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avformat/jpegxl_probe: Check init_get_bits8() for failure

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Fixes: missing error check
Fixes: CID1504270

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-05-15 22:46:12 +02:00
parent 5d8d3c1ac2
commit cb5be590cd
1 changed files with 4 additions and 1 deletions
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5
libavformat/jpegxl_probe.c
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@ -250,8 +250,11 @@ int ff_jpegxl_verify_codestream_header(const uint8_t *buf, int buflen)
int xyb_encoded = 1, have_icc_profile = 0; int xyb_encoded = 1, have_icc_profile = 0;
uint32_t num_extra_channels; uint32_t num_extra_channels;
uint64_t extensions; uint64_t extensions;
int ret;
init_get_bits8(gb, buf, buflen); ret = init_get_bits8(gb, buf, buflen);
if (ret < 0)
return ret;
if (jxl_bits(16) != FF_JPEGXL_CODESTREAM_SIGNATURE_LE) if (jxl_bits(16) != FF_JPEGXL_CODESTREAM_SIGNATURE_LE)
return -1; return -1;