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(parent: 18cfb88) | patch
x86/build: Enforce an empty .got.plt section
authorKees Cook <keescook@chromium.org>
Fri, 21 Aug 2020 19:43:04 +0000 (12:43 -0700)
committerIngo Molnar <mingo@kernel.org>
Tue, 1 Sep 2020 08:03:18 +0000 (10:03 +0200)
commit96dee37223cca5325da7585dfc57b023b9262a4f
tree10cba521880a8bf6442aa3faad6c25813dfb3d71tree | snapshot
parent18cfb88feb779e99458fcd6d4714556fec29c513commit | diff
x86/build: Enforce an empty .got.plt section

The .got.plt section should always be zero (or filled only with the
linker-generated lazy dispatch entry). Enforce this with an assert and
mark the section as INFO. This is more sensitive than just blindly
discarding the section.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200821194310.3089815-24-keescook@chromium.org
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