On 06/13/2015 08:39 AM, Ingo Molnar wrote: > > * Denys Vlasenko <[email protected]> wrote: > >> The test is fairly simplistic: it checks that all registers >> are preserved across 32-bit syscall via VDSO. >> >> Run-tested: >> >> $ ./test_syscall_vdso_32 >> [RUN] Executing 6-argument 32-bit syscall via VDSO >> [Ok] Arguments are preserved across syscall >> [RUN] Executing 6-argument 32-bit syscall via INT 80 >> [Ok] Arguments are preserved across syscall >> [RUN] Running tests under ptrace >> [RUN] Executing 6-argument 32-bit syscall via VDSO >> [Ok] Arguments are preserved across syscall >> [RUN] Executing 6-argument 32-bit syscall via INT 80 >> [Ok] Arguments are preserved across syscall > > Just curious: is there a kernel sha1 where this test would fail? Or did you > try to > provoke an information leak perhaps?
I did see failures, more than once, when testing my own patches. I'm not aware of released kernels which are buggy wrt this test. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
