build: add '-z relro -z now' linker flags #20513
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These flags could make some sections and the GOT entries of node process read only to avoid being modified after dynamic linking is done, thus the security could be enhanced. Fixes: nodejs#20122
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LGTM. Labeling semver-major.
CI: https://ci.nodejs.org/job/node-test-pull-request/14662/
citgm: https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker/1395/
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jasnell
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@bnoordhuis Thanks for trigger the CI test. |
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@tingshao Looks like a flaky test, probably nothing to worry about. citgm looks okay too, insofar as I can decode the results. |
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Landed in 2d4dd10 🎉 |
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These flags could make some sections and the GOT entries of node process read only to avoid being modified after dynamic linking is done, thus the security could be enhanced. Fixes: #20122 PR-URL: #20513 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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These flags could make some sections and the GOT entries of node
process read only to avoid being modified after dynamic linking is
done, thus the security could be enhanced.
Fixes: #20122
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes