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(parent: 5ada4c1) | patch
gcc-plugins: arm_ssp_per_task_plugin: sign extend the SP mask
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Fri, 18 Jan 2019 10:58:06 +0000 (11:58 +0100)
committerKees Cook <keescook@chromium.org>
Sun, 20 Jan 2019 22:06:40 +0000 (14:06 -0800)
commitba41cb83cd4817774e965bd16764bc6dd346a094
treeaaf4685dbe212ad2e0b996308905a1cd16ffdf29tree | snapshot
parent5ada4c1885c3ebec7f8758c3968a4b57e1d3dc0ecommit | diff
gcc-plugins: arm_ssp_per_task_plugin: sign extend the SP mask

The ARM per-task stack protector GCC plugin hits an assert in
the compiler in some case, due to the fact the the SP mask
expression is not sign-extended as it should be. So fix that.

Suggested-by: Kugan Vivekanandarajah <kugan.vivekanandarajah@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
scripts/gcc-plugins/arm_ssp_per_task_plugin.c diff | blob | history
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