---

yaml --- r: 143211 b: refs/heads/master c: f1671f6 h: refs/heads/master i: 143209: e89a613 143207: b6b4cb3 v: v3
git-mirror · Apr 13, 2009 · 79d7a67 · 79d7a67
1 parent 36115d3
commit 79d7a67
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7b102d034c0affc6ee703b576f2496ec6cb81d79
+refs/heads/master: f1671f6d783a2385d32e11f456cbe32f0e4b4b49
diff --git a/trunk/kernel/ptrace.c b/trunk/kernel/ptrace.c
@@ -604,10 +604,11 @@ int ptrace_traceme(void)
 		ret = security_ptrace_traceme(current->parent);
 
 		/*
-		 * Set the ptrace bit in the process ptrace flags.
-		 * Then link us on our parent's ptraced list.
+		 * Check PF_EXITING to ensure ->real_parent has not passed
+		 * exit_ptrace(). Otherwise we don't report the error but
+		 * pretend ->real_parent untraces us right after return.
 		 */
-		if (!ret) {
+		if (!ret && !(current->real_parent->flags & PF_EXITING)) {
 			current->ptrace |= PT_PTRACED;
 			__ptrace_link(current, current->real_parent);
 		}