[Pkg-rust-maintainers] cargo still segfaults / rustc still FTBFS with the newest fixed kernel

[Ximin Luo]

Control: unmerge 866185
Control: unmerge 865549
Control: forcemerge 865549 866185
Control: notfixed linux/4.11.6-1

Unfortunately I spoke too soon, the patch does not work. I had been testing with `cargo -V` and the segfault on this is now fixed by the patch, but `cargo build` still segfaults. More details in https://github.com/rust-lang/cargo/issues/4197

Disabling ASLR or setting `ulimit -s 24576` works around the segfault.

I am still fairly certain the issue is a kernel problem, because before June 20 I had built these things 5 times successfully on Debian buildds and more times on porterboxes:

https://buildd.debian.org/status/logs.php?pkg=rustc see versions 1.17.0+dfsg2-1 to 1.17.0+dfsg2-5

Some help would be appreciated as I have no idea how to debug these types of low-level situations. I'll try to step through the program at least and send the output of that here.

X

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