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disable PNG CRC checks in fuzzing mode

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This commit is contained in:
Oscar Mira 2019-03-14 06:42:25 +01:00
parent 3ea72c286e
commit f3cdf25923
1 changed files with 7 additions and 0 deletions
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7
libvips/foreign/vipspng.c
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@ -231,6 +231,13 @@ read_new( VipsImage *out, gboolean fail )
PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON );
#endif /*PNG_SKIP_sRGB_CHECK_PROFILE*/
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
/* Disable CRC checking in fuzzing mode.
*/
png_set_crc_action( read->pPng,
PNG_CRC_QUIET_USE, PNG_CRC_QUIET_USE );
#endif /*FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION*/
/* Catch PNG errors from png_create_info_struct().
*/
if( setjmp( png_jmpbuf( read->pPng ) ) )