diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-03 08:14:09 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-03 08:14:09 +0100 |
| commit | 27b030d58c8e72fc7a95187a791bd9406e350f02 (patch) | |
| tree | ab3bab7f39a5ce5bab65578a7e08fa4dfdeb198c /kernel/ptrace.c | |
| parent | 79d20b14a0d651f15b0ef9a22b6cf12d284a6d38 (diff) | |
| parent | 6628465e33ca694bd8fd5c3cf4eb7ff9177bc694 (diff) | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 88b306c4e84..8dcb8f6288b 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -16,6 +16,7 @@ #include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/security.h> +#include <linux/signal.h> #include <asm/pgtable.h> #include <asm/uaccess.h> @@ -135,7 +136,7 @@ int ptrace_attach(struct task_struct *task) (current->gid != task->sgid) || (current->gid != task->gid)) && !capable(CAP_SYS_PTRACE)) goto bad; - rmb(); + smp_rmb(); if (!task->mm->dumpable && !capable(CAP_SYS_PTRACE)) goto bad; /* the same process cannot be attached many times */ @@ -166,7 +167,7 @@ bad: int ptrace_detach(struct task_struct *child, unsigned int data) { - if ((unsigned long) data > _NSIG) + if (!valid_signal(data)) return -EIO; /* Architecture-specific hardware disable .. */ |