From e179547dfa16841c30d4e039ac64bc9852d6d289 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 26 Jun 2006 00:26:05 -0700
Subject: [PATCH] --- yaml --- r: 30263 b: refs/heads/master c:
 aceecc041217b35df753d1ed6e25bd17c0c558d8 h: refs/heads/master i:   30261:
 c2624bd24f11a8db1f7ad0ec0f7cb0c33eb1bbfc   30259:
 3d344595207775c86ad7a93f28b0315953ab5689   30255:
 0d8b704726047f4ce6323c491295ebee8223b275 v: v3

---
 [refs]          |  2 +-
 trunk/fs/exec.c | 36 ++++++++++++++++++++++++++----------
 2 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/[refs] b/[refs]
index 6d3426e4a6e6..718198d02185 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2ceb8693ef63ae3d154ce1a05d275f2bb20a5e4c
+refs/heads/master: aceecc041217b35df753d1ed6e25bd17c0c558d8
diff --git a/trunk/fs/exec.c b/trunk/fs/exec.c
index fffea1eef8dc..80fe7bcfa094 100644
--- a/trunk/fs/exec.c
+++ b/trunk/fs/exec.c
@@ -1368,6 +1368,22 @@ static void format_corename(char *corename, const char *pattern, long signr)
 	*out_ptr = 0;
 }
 
+static void zap_process(struct task_struct *start, int *ptraced)
+{
+	struct task_struct *t;
+
+	t = start;
+	do {
+		if (t != current && t->mm) {
+			t->mm->core_waiters++;
+			force_sig_specific(SIGKILL, t);
+			if (unlikely(t->ptrace) &&
+			    unlikely(t->parent->mm == t->mm))
+				*ptraced = 1;
+		}
+	} while ((t = next_thread(t)) != start);
+}
+
 static void zap_threads (struct mm_struct *mm)
 {
 	struct task_struct *g, *p;
@@ -1385,16 +1401,16 @@ static void zap_threads (struct mm_struct *mm)
 	}
 
 	read_lock(&tasklist_lock);
-	do_each_thread(g,p)
-		if (mm == p->mm && p != tsk) {
-			force_sig_specific(SIGKILL, p);
-			mm->core_waiters++;
-			if (unlikely(p->ptrace) &&
-			    unlikely(p->parent->mm == mm))
-				traced = 1;
-		}
-	while_each_thread(g,p);
-
+	for_each_process(g) {
+		p = g;
+		do {
+			if (p->mm) {
+				if (p->mm == mm)
+					zap_process(p, &traced);
+				break;
+			}
+		} while ((p = next_thread(p)) != g);
+	}
 	read_unlock(&tasklist_lock);
 
 	if (unlikely(traced)) {