On Tue, Apr 7, 2015 at 8:42 PM, Michael Ellerman <m...@ellerman.id.au> wrote: > On Mon, 2015-04-06 at 23:11 -0700, Andy Lutomirski wrote: >> On Mon, Apr 6, 2015 at 8:39 PM, Michael Ellerman <m...@ellerman.id.au> wrote: >> > On Mon, 2015-04-06 at 19:01 -0700, Andy Lutomirski wrote: >> >> This is my sigreturn test, added mostly unchanged from its old home. >> >> It exercises the sigreturn(2) syscall, specifically focusing on its >> >> interactions with various IRET corner cases. It tests for correct >> >> behavior in several areas that were historically dangerously buggy. >> >> For example, it exercises espfix on kernels of both bitnesses under >> >> various conditions, and it contains exploits for several now-fixed >> >> bugs in IRET error handling. >> >> >> >> If you run it on older kernels, your system will crash. It probably >> >> won't eat your data in the process. >> >> >> >> There is no released kernel on which the sigreturn_64 test will >> >> pass, but it passes on tip:x86/asm. >> >> >> >> IMO it's unfortunate that I need to provide a special script to run >> >> tests. I'd rather just list my targets. >> > >> > If you use lib.mk you can. >> > >> > >> > https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git/log/?h=next >> > >> > See for example: >> > >> > >> > https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git/commit/?h=next&id=5744de542dd4b963c2975e6f70844ce2899864e4 >> >> Will do for 4.2. In the mean time, there's no base on which lib.mk >> exists and the test works. > > OK. > > Shua seems to have already sent a pull request for 4.1, which is rather early > to say the least, but suggests you've missed 4.1 anyway - unless you want it > to > go via some other tree.
The plan is to go in via tip:x86/asm, I think. That's where the fix that the test depends on lives. --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/