---

yaml --- r: 74294 b: refs/heads/master c: c46f739 h: refs/heads/master v: v3
git-mirror · Nov 28, 2007 · 73ec5c1 · 73ec5c1
1 parent 4fd4a58
commit 73ec5c1
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a531a141089714efe39eca89593524fdf05104f2
+refs/heads/master: c46f739dd39db3b07ab5deb4e3ec81e1c04a91af
diff --git a/trunk/fs/exec.c b/trunk/fs/exec.c
@@ -1780,6 +1780,12 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
 	   but keep the previous behaviour for now. */
 	if (!ispipe && !S_ISREG(inode->i_mode))
 		goto close_fail;
+	/*
+	 * Dont allow local users get cute and trick others to coredump
+	 * into their pre-created files:
+	 */
+	if (inode->i_uid != current->fsuid)
+		goto close_fail;
 	if (!file->f_op)
 		goto close_fail;
 	if (!file->f_op->write)