Revision 02e768c9fe47618056d876b5137424763486d886 authored by Linus Torvalds on 15 September 2023, 19:38:44 UTC, committed by Linus Torvalds on 15 September 2023, 19:38:44 UTC
Pull selinux fix from Paul Moore: "A relatively small SELinux patch to fix an issue with a vfs/LSM/SELinux patch that went upstream during the recent merge window. The short version is that the original patch changed how we initialized mount options to resolve a NFS issue and we inadvertently broke a use case due to the changed behavior. The fix restores this behavior for the cases that require it while keeping the original NFS fix in place" * tag 'selinux-pr-20230914' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: selinux: fix handling of empty opts in selinux_fs_context_submount()
exec_domain.c
// SPDX-License-Identifier: GPL-2.0
/*
* Handling of different ABIs (personalities).
*
* We group personalities into execution domains which have their
* own handlers for kernel entry points, signal mapping, etc...
*
* 2001-05-06 Complete rewrite, Christoph Hellwig (hch@infradead.org)
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/kmod.h>
#include <linux/module.h>
#include <linux/personality.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/types.h>
#ifdef CONFIG_PROC_FS
static int execdomains_proc_show(struct seq_file *m, void *v)
{
seq_puts(m, "0-0\tLinux \t[kernel]\n");
return 0;
}
static int __init proc_execdomains_init(void)
{
proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
return 0;
}
module_init(proc_execdomains_init);
#endif
SYSCALL_DEFINE1(personality, unsigned int, personality)
{
unsigned int old = current->personality;
if (personality != 0xffffffff)
set_personality(personality);
return old;
}
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