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-rw-r--r--kernel/ptrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 5b8dd98..b88d418 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -155,7 +155,7 @@ int ptrace_attach(struct task_struct *task)
retval = -EPERM;
if (task->pid <= 1)
goto bad;
- if (task == current)
+ if (task->tgid == current->tgid)
goto bad;
/* the same process cannot be attached many times */
if (task->ptrace & PT_PTRACED)
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