thodg/libgit2/tests/patch

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  • Hash : 37141ff7
    Author : Patrick Steinhardt
    Date : 2019-10-21T18:56:59

    patch_parse: detect overflow when calculating old/new line position When the patch contains lines close to INT_MAX, then it may happen that we end up with an integer overflow when calculating the line of the current diff hunk. Reject such patches as unreasonable to avoid the integer overflow. As the calculation is performed on integers, we introduce two new helpers `git__add_int_overflow` and `git__sub_int_overflow` that perform the integer overflow check in a generic way.

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