Re: [PATCH] seccomp.2: Clarify that bad system calls kill the thread
From: Kees Cook <hidden>
Date: 2021-06-30 23:07:02
Also in:
linux-man, lkml
From: Kees Cook <hidden>
Date: 2021-06-30 23:07:02
Also in:
linux-man, lkml
On Wed, Jun 30, 2021 at 03:11:23PM -0500, Eric W. Biederman wrote:
Signed-off-by: Eric W. Biederman <redacted> --- man2/seccomp.2 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)diff --git a/man2/seccomp.2 b/man2/seccomp.2 index a3421871f0f4..bde54c3e3e99 100644 --- a/man2/seccomp.2 +++ b/man2/seccomp.2@@ -69,9 +69,10 @@ The only system calls that the calling thread is permitted to make are .BR exit_group (2)), and .BR sigreturn (2). -Other system calls result in the delivery of a +Other system calls result in the termination of the calling thread, +or termination of the entire process with the .BR SIGKILL -signal. +signal when there is only one thread. Strict secure computing mode is useful for number-crunching applications that may need to execute untrusted byte code, perhaps obtained by reading from a pipe or socket.
Thanks! Acked-by: Kees Cook <redacted> -- Kees Cook