Allow testing pointers for inboundedness while forbidding dangling pointers #56985
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RalfJung
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RalfJung
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| } | ||
| InboundsCheck::MaybeDead => self.get_size_and_align(ptr.alloc_id), | ||
| }; | ||
| ptr.check_in_alloc(allocation_size, liveness)?; |
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Is check_in_alloc still used anywhere else? Might be worth to inline it here, because it clearly has a confusing API.
RalfJung
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src/librustc_mir/interpret/memory.rs
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| ptr.check_in_alloc(allocation_size, InboundsCheck::MaybeDead)?; | ||
| let (allocation_size, align) = match liveness { | ||
| InboundsCheck::Live => { | ||
| let alloc = self.get(ptr.alloc_id)?; |
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Won't this error on function pointers?
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Still not a fan of @bors r+ |
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📌 Commit c8bcac5 has been approved by |
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Allow testing pointers for inboundedness while forbidding dangling pointers r? @RalfJung
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Rollup of 10 pull requests Successful merges: - #55470 (box: Add documentation for `From` impls) - #56242 (Add missing link in docs) - #56944 (bootstrap: Link LLVM as a dylib with ThinLTO) - #56978 (Add `std::os::fortanix_sgx` module) - #56985 (Allow testing pointers for inboundedness while forbidding dangling pointers) - #56986 (rustc: Move jemalloc from rustc_driver to rustc) - #57010 (Actually run compiletest tests on CI) - #57021 (Enable emission of alignment attrs for pointer params) - #57074 (Fix recursion limits) - #57085 (librustc_codegen_llvm: Don't eliminate empty structs in C ABI on linux-sparc64) Failed merges: r? @ghost
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r? @RalfJung