On 2024/7/5 03:05, Benjamin Berg wrote:
[...]
> static int userspace_tramp(void *stack)
> {
> - struct sigaction sa;
> - void *addr;
> - int fd;
> + char *const argv[] = { "uml-userspace", NULL };
> + int pipe_fds[2];
> unsigned long long offset;
> - unsigned long se
From: Benjamin Berg
Using clone will not undo features that have been enabled by libc. An
example of this already happening is rseq, which could cause the kernel
to read/write memory of the userspace process. In the future the
standard library might also use mseal by default to protect itself,
wh
