Date: Sat, 3 Jul 2021 07:59:53 GMT From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 2f514e6f13de - main - linux(4): implement PR_SET_NO_NEW_PRIVS Message-ID: <202107030759.1637xrVa095434@gitrepo.freebsd.org>
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The branch main has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=2f514e6f13de41aa9ad5f563ed0decc66e91f99c commit 2f514e6f13de41aa9ad5f563ed0decc66e91f99c Author: Edward Tomasz Napierala <trasz@FreeBSD.org> AuthorDate: 2021-07-03 07:41:59 +0000 Commit: Edward Tomasz Napierala <trasz@FreeBSD.org> CommitDate: 2021-07-03 07:42:37 +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 --- 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 65a5b0dd24d7..559eb6463da0 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -1982,7 +1982,7 @@ 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; @@ -2113,8 +2113,10 @@ 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");
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