Release 4.14 arch/um/kernel/skas/syscall.c

/*
 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <linux/seccomp.h>
#include <kern_util.h>
#include <sysdep/ptrace.h>
#include <sysdep/ptrace_user.h>
#include <sysdep/syscalls.h>



void handle_syscall(struct uml_pt_regs *r)
{
	struct pt_regs *regs = container_of(r, struct pt_regs, regs);
	int syscall;

	/* Initialize the syscall number and default return value. */
	UPT_SYSCALL_NR(r) = PT_SYSCALL_NR(r->gp);
	PT_REGS_SET_SYSCALL_RETURN(regs, -ENOSYS);

	if (syscall_trace_enter(regs))
		goto out;

	/* Do the seccomp check after ptrace; failures should be fast. */
	if (secure_computing(NULL) == -1)
		goto out;

	syscall = UPT_SYSCALL_NR(r);
	if (syscall >= 0 && syscall <= __NR_syscall_max)
		PT_REGS_SET_SYSCALL_RETURN(regs,
				EXECUTE_SYSCALL(syscall, regs));

out:
	syscall_trace_leave(regs);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Dike
47
43.12%
3
27.27%
Mickaël Salaün
43
39.45%
3
27.27%
Kees Cook
8
7.34%
1
9.09%
Paolo 'Blaisorblade' Giarrusso
4
3.67%
1
9.09%
Richard Weinberger
3
2.75%
1
9.09%
Andrew Lutomirski
2
1.83%
1
9.09%
Al Viro
2
1.83%
1
9.09%
Total
109
100.00%
11
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jeff Dike
58
44.27%
5
33.33%
Mickaël Salaün
48
36.64%
3
20.00%
Kees Cook
8
6.11%
1
6.67%
Al Viro
6
4.58%
2
13.33%
Richard Weinberger
5
3.82%
2
13.33%
Paolo 'Blaisorblade' Giarrusso
4
3.05%
1
6.67%
Andrew Lutomirski
2
1.53%
1
6.67%
Total
131
100.00%
15
100.00%
Directory: arch/um/kernel/skas

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