The branch stable/13 has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=b5cae0d5ed3e9f91404c67828c9736b255e6b7bf
commit b5cae0d5ed3e9f91404c67828c9736b255e6b7bf Author: Edward Tomasz Napierala <[email protected]> AuthorDate: 2021-07-03 07:41:59 +0000 Commit: Edward Tomasz Napierala <[email protected]> CommitDate: 2022-02-14 00:08:55 +0000 linux(4): implement PR_SET_NO_NEW_PRIVS This makes prctl(2) support PR_SET_NO_NEW_PRIVS, by mapping it to the native PROC_NO_NEW_PRIVS_CTL procctl(2). Sponsored By: EPSRC Differential Revision: https://reviews.freebsd.org/D30973 (cherry picked from commit 2f514e6f13de41aa9ad5f563ed0decc66e91f99c) --- sys/compat/linux/linux_misc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index fc846df6689f..fb529f140d3e 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1921,7 +1921,7 @@ linux_capset(struct thread *td, struct linux_capset_args *uap) int linux_prctl(struct thread *td, struct linux_prctl_args *args) { - int error = 0, max_size; + int error = 0, max_size, arg; struct proc *p = td->td_proc; char comm[LINUX_MAX_COMM_LEN]; int pdeath_signal, trace_state; @@ -2052,8 +2052,10 @@ linux_prctl(struct thread *td, struct linux_prctl_args *args) error = EINVAL; break; case LINUX_PR_SET_NO_NEW_PRIVS: - linux_msg(td, "unsupported prctl PR_SET_NO_NEW_PRIVS"); - error = EINVAL; + arg = args->arg2 == 1 ? + PROC_NO_NEW_PRIVS_ENABLE : PROC_NO_NEW_PRIVS_DISABLE; + error = kern_procctl(td, P_PID, p->p_pid, + PROC_NO_NEW_PRIVS_CTL, &arg); break; case LINUX_PR_SET_PTRACER: linux_msg(td, "unsupported prctl PR_SET_PTRACER");
