Opened 7 years ago

Last modified 7 years ago

#6928 closed defect

pngdataset with FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION — at Initial Version

Reported by: Kurt Schwehr Owned by: warmerdam
Priority: normal Milestone:
Component: default Version: svn-trunk
Severity: normal Keywords: fuzzing libpng
Cc:

Description

With r38981, I'm getting an build failure with fuzzing when using libpng 1.6.29. I've not yet figured out a patch that will work across libpng versions, but this got 1.6.29 to work for me. 

#ifdef DISABLE_CRC_CHECK
#  include "pngpriv.h"
#  include "pngstruct.h"
#endif

frmts/png/pngdataset.cpp:472:9: error: member access into incomplete type 'png_struct' (aka 'png_struct_def')
    hPNG->flags &= ~PNG_FLAG_CRC_CRITICAL_MASK;

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