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Parts of libcompiler-rt are compiled as WX #34482

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Parts of libcompiler-rt are compiled as WX#34482
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A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.
@djc

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@djc
djc
opened on Jun 26, 2016

The following parts have WX sections (that is, memory that is writable and executable at the same time):

 * !WX --- --- usr/lib64/rust-1.9.0/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler-rt.a:chkstk.o
 * !WX --- --- usr/lib64/rust-1.9.0/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler-rt.a:chkstk2.o
 * !WX --- --- usr/lib64/rust-1.9.0/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler-rt.a:floatundidf.o
 * !WX --- --- usr/lib64/rust-1.9.0/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler-rt.a:floatundisf.o
 * !WX --- --- usr/lib64/rust-1.9.0/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler-rt.a:floatundixf.o

From a security point of view, this is probably bad.

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    A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

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