From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 22 Feb 2012 00:15:27 +0000 (+0000)
Subject: Avoid potential core file clobbering on exit
X-Git-Tag: v4.7~165
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6c38156b6e345a25118e0b7144822bdf55839631;p=strace

Avoid potential core file clobbering on exit

* strace.c (main): Set RLIMIT_CORE to zero before terminating itself
with a deadly signal.
This fixes Debian bug #656398.
---

diff --git a/strace.c b/strace.c
index 2bca0de8..4030985b 100644
--- a/strace.c
+++ b/strace.c
@@ -1416,6 +1416,10 @@ main(int argc, char *argv[])
 	cleanup();
 	fflush(NULL);
 	if (exit_code > 0xff) {
+		/* Avoid potential core file clobbering.  */
+		struct rlimit rlim = {0, 0};
+		setrlimit(RLIMIT_CORE, &rlim);
+
 		/* Child was killed by a signal, mimic that.  */
 		exit_code &= 0xff;
 		signal(exit_code, SIG_DFL);