Correct problem with UNKNOWN READ/SEGV for incorrect PPD file #5624
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The problem occurres when an input PPD file contains a specific combination of *PageSize keywords with incorrect types. In this case the PPD parser may cause memory violation when one of the type is PPD_CUSTOM_PASSCODE, PPD_CUSTOM_PASSWORD or PPD_CUSTOM_STRING.
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@ppawliczek Please attach the problematic PPD file. |
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clusterfuzz-testcase-minimized-cups_ppdopen_fuzzer-5709920246431744.zip The stack from SEGV: |
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The problem occurres when an input PPD file contains a specific combination of
*PageSize keywords with incorrect types. In this case the PPD parser may cause
memory violation when one of the type is PPD_CUSTOM_PASSCODE,
PPD_CUSTOM_PASSWORD or PPD_CUSTOM_STRING.