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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org > > Also, are you sure that it isn't possible to make the syscall that > > leaked its stack pointer never return to userspace (via ptrace or > > SIGSTOP or something like that), and therefore never realign its > > stack, while keeping some controlled data present on the syscall's > > stack? How would you reliably detect that a stack pointer has been leaked to userspace while it has been in a syscall? Does not seem to be a trivial task to me. Best Regards, Elena. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel