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gcc-plugins: randstruct: Update code comment in relayout_struct()
commit d71f22365a9caca82d424f3a33445de46567e198 upstream. Update code comment to clarify that the only element whose layout is not randomized is a proper C99 flexible-array member. This update is complementary to commit 1ee60356c2dc ("gcc-plugins: randstruct: Only warn about true flexible arrays") Signed-off-by: "Gustavo A. R. Silva" <gustavoars@kernel.org> Link: https://lore.kernel.org/r/ZWJr2MWDjXLHE8ap@work Fixes: 1ee60356c2dc ("gcc-plugins: randstruct: Only warn about true flexible arrays") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -339,8 +339,7 @@ static int relayout_struct(tree type)
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/*
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* enforce that we don't randomize the layout of the last
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* element of a struct if it's a 0 or 1-length array
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* or a proper flexible array
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* element of a struct if it's a proper flexible array
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*/
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if (is_flexible_array(newtree[num_fields - 1])) {
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has_flexarray = true;
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