a85176781b
Rebase on upstream commit 32611aea6543
See
$ cd SELinuxProject/selinux
$ git log --pretty=oneline checkpolicy-3.2..32611aea6543 -- checkpolicy
Resolves: rhbz#1988267
63 lines
2.2 KiB
Diff
63 lines
2.2 KiB
Diff
From 5218bf4b262ae6c3aa0ec72c5116a73bbdb7806f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
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Date: Tue, 6 Jul 2021 19:54:29 +0200
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Subject: [PATCH] checkpolicy: avoid potential use of uninitialized variable
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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checkpolicy.c: In function ‘main’:
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checkpolicy.c:1000:25: error: ‘tsid’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
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1000 | printf("if_sid %d default_msg_sid %d\n", ssid, tsid);
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| ^
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checkpolicy.c: In function ‘main’:
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checkpolicy.c:971:25: error: ‘tsid’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
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971 | printf("fs_sid %d default_file_sid %d\n", ssid, tsid);
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| ^
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Found by GCC 11 with LTO enabled.
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Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
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---
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checkpolicy/checkpolicy.c | 16 ++++++++++++----
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1 file changed, 12 insertions(+), 4 deletions(-)
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diff --git a/checkpolicy/checkpolicy.c b/checkpolicy/checkpolicy.c
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index 58edcc34e8cc..e6cfd3372022 100644
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--- a/checkpolicy/checkpolicy.c
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+++ b/checkpolicy/checkpolicy.c
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@@ -970,8 +970,12 @@ int main(int argc, char **argv)
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printf("fs kdevname? ");
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FGETS(ans, sizeof(ans), stdin);
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ans[strlen(ans) - 1] = 0;
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- sepol_fs_sid(ans, &ssid, &tsid);
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- printf("fs_sid %d default_file_sid %d\n", ssid, tsid);
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+ ret = sepol_fs_sid(ans, &ssid, &tsid);
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+ if (ret) {
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+ printf("unknown fs kdevname\n");
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+ } else {
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+ printf("fs_sid %d default_file_sid %d\n", ssid, tsid);
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+ }
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break;
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case '9':
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printf("protocol? ");
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@@ -999,8 +1003,12 @@ int main(int argc, char **argv)
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printf("netif name? ");
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FGETS(ans, sizeof(ans), stdin);
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ans[strlen(ans) - 1] = 0;
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- sepol_netif_sid(ans, &ssid, &tsid);
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- printf("if_sid %d default_msg_sid %d\n", ssid, tsid);
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+ ret = sepol_netif_sid(ans, &ssid, &tsid);
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+ if (ret) {
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+ printf("unknown name\n");
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+ } else {
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+ printf("if_sid %d default_msg_sid %d\n", ssid, tsid);
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+ }
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break;
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case 'b':{
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char *p;
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--
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2.32.0
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