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Title: Fixes for sanitizer errors from SPEC CPU testing by heshpdx · Pull Request #7697 · cppcheck-opensource/cppcheck · GitHub

Open Graph Title: Fixes for sanitizer errors from SPEC CPU testing by heshpdx · Pull Request #7697 · cppcheck-opensource/cppcheck

X Title: Fixes for sanitizer errors from SPEC CPU testing by heshpdx · Pull Request #7697 · cppcheck-opensource/cppcheck

Description: We're doing some sanitizer testing on the source code here at SPEC, and I was able to offer some patches to correct the overflow issues. These are corner cases so maybe the cppcheck community may not be so keen to accept these, but I figured I would share. lib/infer.cpp:131:39: runtime error: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long long int' lib/infer.cpp:141:39: runtime error: signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long long int' lib/infer.cpp:322:65: runtime error: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long long int' lib/vf_common.cpp:115:96: runtime error: shift exponent 18446744073709550144 is too large for 64-bit type 'long long unsigned int' lib/vf_common.cpp:116:47: runtime error: shift exponent 1919 is too large for 64-bit type 'long long unsigned int' lib/token.cpp:1949:20: runtime error: signed integer overflow: -9223372036854775808 - 9223372032559808511 cannot be represented in type 'long long int'

Open Graph Description: We're doing some sanitizer testing on the source code here at SPEC, and I was able to offer some patches to correct the overflow issues. These are corner cases so maybe the cppcheck community m...

X Description: We're doing some sanitizer testing on the source code here at SPEC, and I was able to offer some patches to correct the overflow issues. These are corner cases so maybe the cppcheck communi...

Opengraph URL: https://github.com/cppcheck-opensource/cppcheck/pull/7697

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05bac66 Sanitizer fix: shift exponent too large heshpdx Jul 23, 2025 https://github.com/cppcheck-opensource/cppcheck/pull/7697/commits/05bac66bf0b68d40ea935383900d65365c25fb20
3410738 Sanitizer fix: overflow in std::abs heshpdx Jul 23, 2025 https://github.com/cppcheck-opensource/cppcheck/pull/7697/commits/3410738e5e154d1847b3e6e87aa6895f337a79ed
6f70d59 Sanitizer fix: signed integer overflow heshpdx Jul 23, 2025 https://github.com/cppcheck-opensource/cppcheck/pull/7697/commits/6f70d59c96397334ec3403b79e39d9b51a42c394
6c02e8d Change long long to MathLib::bigint heshpdx Jul 23, 2025 https://github.com/cppcheck-opensource/cppcheck/pull/7697/commits/6c02e8da0e892245c31b038b0bc0aa898ab06e90
2f95d90 Change remaining long long to MathLib::bigint heshpdx Jul 24, 2025 https://github.com/cppcheck-opensource/cppcheck/pull/7697/commits/2f95d90d00cadeb9e531fdbaa6a31e862b26afff
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