From: Dmitry V. Levin <ldv@altlinux.org>
Date: Tue, 26 Apr 2016 17:41:44 +0000 (+0000)
Subject: Fix decoding of LINUX_REBOOT_CMD_RESTART2 argument
X-Git-Tag: v4.12~271
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b83bb1cc7a748158a3d969d09262f5016bd3dee5;p=strace

Fix decoding of LINUX_REBOOT_CMD_RESTART2 argument

* reboot.c (SYS_FUNC(reboot)): Cast numeric arguments to unsigned int.
---

diff --git a/reboot.c b/reboot.c
index ebe3def3..1669a3d1 100644
--- a/reboot.c
+++ b/reboot.c
@@ -6,12 +6,16 @@
 
 SYS_FUNC(reboot)
 {
-	printflags(bootflags1, tcp->u_arg[0], "LINUX_REBOOT_MAGIC_???");
+	const unsigned int magic1 = tcp->u_arg[0];
+	const unsigned int magic2 = tcp->u_arg[1];
+	const unsigned int cmd = tcp->u_arg[2];
+
+	printflags(bootflags1, magic1, "LINUX_REBOOT_MAGIC_???");
 	tprints(", ");
-	printflags(bootflags2, tcp->u_arg[1], "LINUX_REBOOT_MAGIC_???");
+	printflags(bootflags2, magic2, "LINUX_REBOOT_MAGIC_???");
 	tprints(", ");
-	printflags(bootflags3, tcp->u_arg[2], "LINUX_REBOOT_CMD_???");
-	if (tcp->u_arg[2] == (long) LINUX_REBOOT_CMD_RESTART2) {
+	printflags(bootflags3, cmd, "LINUX_REBOOT_CMD_???");
+	if (cmd == LINUX_REBOOT_CMD_RESTART2) {
 		tprints(", ");
 		printstr(tcp, tcp->u_arg[3], -1);
 	}