From f4b626d6de15149329332796e96709e0c4c84577 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Wed, 3 Oct 2018 17:38:37 -0700 Subject: [PATCH] LoadPin: Report friendly block device name Instead of only reporting major/minor, include the actual block device name, at least as seen by the kernel. Signed-off-by: Kees Cook --- security/loadpin/loadpin.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c index 0716af28808a..f062672d6b35 100644 --- a/security/loadpin/loadpin.c +++ b/security/loadpin/loadpin.c @@ -84,8 +84,11 @@ static void check_pinning_enforcement(struct super_block *mnt_sb) * device, allow sysctl to change modes for testing. */ if (mnt_sb->s_bdev) { + char bdev[BDEVNAME_SIZE]; + ro = bdev_read_only(mnt_sb->s_bdev); - pr_info("dev(%u,%u): %s\n", + bdevname(mnt_sb->s_bdev, bdev); + pr_info("%s (%u:%u): %s\n", bdev, MAJOR(mnt_sb->s_bdev->bd_dev), MINOR(mnt_sb->s_bdev->bd_dev), ro ? "read-only" : "writable"); -- 2.30.2