Improve prctl(2) debug.

MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D26899
This commit is contained in:
Edward Tomasz Napierala 2020-10-23 12:00:30 +00:00
parent 7135ca98d2
commit 1c7481377c
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=366967
2 changed files with 10 additions and 0 deletions

View File

@ -2001,7 +2001,15 @@ linux_prctl(struct thread *td, struct linux_prctl_args *args)
error = copyout(comm, (void *)(register_t)args->arg2,
strlen(comm) + 1);
break;
case LINUX_PR_GET_SECCOMP:
case LINUX_PR_SET_SECCOMP:
/*
* Same as returned by Linux without CONFIG_SECCOMP enabled.
*/
error = EINVAL;
break;
default:
linux_msg(td, "unsupported prctl option %d", args->option);
error = EINVAL;
break;
}

View File

@ -54,6 +54,8 @@
#define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
#define LINUX_PR_SET_NAME 15 /* Set process name. */
#define LINUX_PR_GET_NAME 16 /* Get process name. */
#define LINUX_PR_GET_SECCOMP 21
#define LINUX_PR_SET_SECCOMP 22
#define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */