All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Shuah Khan <shuah@kernel.org>, Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>,
	linux-kselftest@vger.kernel.org, bpf@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH] selftests/bpf: signedness bug in enable_all_controllers()
Date: Thu, 13 Jun 2019 10:00:21 +0300	[thread overview]
Message-ID: <20190613070021.GG16334@mwanda> (raw)

The "len" variable needs to be signed for the error handling to work
properly.

Fixes: 596092ef8bea ("selftests/bpf: enable all available cgroup v2 controllers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 tools/testing/selftests/bpf/cgroup_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 0d89f0396be4..e95c33e333a4 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -47,7 +47,7 @@ int enable_all_controllers(char *cgroup_path)
 	char buf[PATH_MAX];
 	char *c, *c2;
 	int fd, cfd;
-	size_t len;
+	ssize_t len;
 
 	snprintf(path, sizeof(path), "%s/cgroup.controllers", cgroup_path);
 	fd = open(path, O_RDONLY);
-- 
2.20.1


WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Shuah Khan <shuah@kernel.org>, Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>,
	linux-kselftest@vger.kernel.org, bpf@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [PATCH] selftests/bpf: signedness bug in enable_all_controllers()
Date: Thu, 13 Jun 2019 07:00:21 +0000	[thread overview]
Message-ID: <20190613070021.GG16334@mwanda> (raw)

The "len" variable needs to be signed for the error handling to work
properly.

Fixes: 596092ef8bea ("selftests/bpf: enable all available cgroup v2 controllers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 tools/testing/selftests/bpf/cgroup_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 0d89f0396be4..e95c33e333a4 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -47,7 +47,7 @@ int enable_all_controllers(char *cgroup_path)
 	char buf[PATH_MAX];
 	char *c, *c2;
 	int fd, cfd;
-	size_t len;
+	ssize_t len;
 
 	snprintf(path, sizeof(path), "%s/cgroup.controllers", cgroup_path);
 	fd = open(path, O_RDONLY);
-- 
2.20.1

             reply	other threads:[~2019-06-13 16:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13  7:00 Dan Carpenter [this message]
2019-06-13  7:00 ` [PATCH] selftests/bpf: signedness bug in enable_all_controllers() Dan Carpenter
2019-06-13 16:58 ` Andrii Nakryiko
2019-06-13 16:58   ` Andrii Nakryiko
2019-06-14 23:20 ` Daniel Borkmann
2019-06-14 23:20   ` Daniel Borkmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190613070021.GG16334@mwanda \
    --to=dan.carpenter@oracle.com \
    --cc=ast@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=guro@fb.com \
    --cc=kafai@fb.com \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=shuah@kernel.org \
    --cc=songliubraving@fb.com \
    --cc=yhs@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.