From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Simon Ser <contact@emersion.fr>
Subject: [PATCH 1/2] objtool: Fix seg fault caused by missing parameter
Date: Sat, 30 Dec 2017 14:43:31 -0600
Message-ID: <9172803ec7ebb72535bcd0b7f966ae96d515968e.1514666459.git.jpoimboe@redhat.com> (raw)
In-Reply-To: <cover.1514666459.git.jpoimboe@redhat.com>
From: Simon Ser <contact@emersion.fr>
Fix a seg fault when no parameter is provided to 'objtool orc'.
Signed-off-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
---
tools/objtool/builtin-orc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/objtool/builtin-orc.c b/tools/objtool/builtin-orc.c
index 4c6b5c9ef073..91e8e19ff5e0 100644
--- a/tools/objtool/builtin-orc.c
+++ b/tools/objtool/builtin-orc.c
@@ -44,6 +44,9 @@ int cmd_orc(int argc, const char **argv)
const char *objname;
argc--; argv++;
+ if (argc <= 0)
+ usage_with_options(orc_usage, check_options);
+
if (!strncmp(argv[0], "gen", 3)) {
argc = parse_options(argc, argv, check_options, orc_usage, 0);
if (argc != 1)
@@ -52,7 +55,6 @@ int cmd_orc(int argc, const char **argv)
objname = argv[0];
return check(objname, no_fp, no_unreachable, true);
-
}
if (!strcmp(argv[0], "dump")) {
--
2.13.6
next prev parent reply index
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-30 20:43 [PATCH 0/2] objtool: two seg fault fixes Josh Poimboeuf
2017-12-30 20:43 ` Josh Poimboeuf [this message]
2017-12-30 21:07 ` [tip:core/urgent] objtool: Fix seg fault caused by missing parameter tip-bot for Simon Ser
2017-12-30 20:43 ` [PATCH 2/2] objtool: Fix seg fault with clang-compiled objects Josh Poimboeuf
2017-12-30 21:07 ` [tip:core/urgent] " tip-bot for Simon Ser
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