linux-kernel - [PATCH] ecryptfs: set s_blocksize from lower fs in sb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 14 Dec 2007 09:30:26 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michael Halcrow <mhalcrow@...ibm.com>
Subject: [PATCH] ecryptfs: set s_blocksize from lower fs in sb

eCryptfs wasn't setting s_blocksize in it's superblock; just pick
it up from the lower FS.  Having an s_blocksize of 0 made things
like "filefrag" which call FIGETBSZ unhappy.

Signed-off-by: Eric Sandeen <sandeen@...hat.com>

---

Index: linux-2.6.24-rc3/fs/ecryptfs/main.c
===================================================================
--- linux-2.6.24-rc3.orig/fs/ecryptfs/main.c
+++ linux-2.6.24-rc3/fs/ecryptfs/main.c
@@ -523,6 +523,7 @@ static int ecryptfs_read_super(struct su
 	lower_mnt = nd.mnt;
 	ecryptfs_set_superblock_lower(sb, lower_root->d_sb);
 	sb->s_maxbytes = lower_root->d_sb->s_maxbytes;
+	sb->s_blocksize = lower_root->d_sb->s_blocksize;
 	ecryptfs_set_dentry_lower(sb->s_root, lower_root);
 	ecryptfs_set_dentry_lower_mnt(sb->s_root, lower_mnt);
 	rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0);

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/