diff options
| -rw-r--r-- | kernel/ptrace.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 00ab2ca5ed11..273f56ea39d2 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -528,6 +528,9 @@ int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long ds static int ptrace_setoptions(struct task_struct *child, unsigned long data) { + if (data & ~(unsigned long)PTRACE_O_MASK) + return -EINVAL; + child->ptrace &= ~PT_TRACE_MASK; if (data & PTRACE_O_TRACESYSGOOD) @@ -551,7 +554,7 @@ static int ptrace_setoptions(struct task_struct *child, unsigned long data) if (data & PTRACE_O_TRACEEXIT) child->ptrace |= PT_TRACE_EXIT; - return (data & ~PTRACE_O_MASK) ? -EINVAL : 0; + return 0; } static int ptrace_getsiginfo(struct task_struct *child, siginfo_t *info) |