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Message-ID: <alpine.DEB.2.00.1105082028310.7013@artax.karlin.mff.cuni.cz> Date: Sun, 8 May 2011 20:44:00 +0200 (CEST) From: Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz> To: Linus Torvalds <torvalds@...ux-foundation.org> cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: [PATCH 8/14] HPFS: Restrict uid and gid to 16-bit values Restrict uid and gid to 16-bit values. HPFS stores only 2 bytes in the EAs. Signed-off-by: Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz> --- fs/hpfs/inode.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-2.6.39-rc5-fast/fs/hpfs/inode.c =================================================================== --- linux-2.6.39-rc5-fast.orig/fs/hpfs/inode.c 2011-05-05 01:02:49.000000000 +0200 +++ linux-2.6.39-rc5-fast/fs/hpfs/inode.c 2011-05-05 01:02:53.000000000 +0200 @@ -261,6 +261,10 @@ int hpfs_setattr(struct dentry *dentry, hpfs_lock(inode->i_sb); if (inode->i_ino == hpfs_sb(inode->i_sb)->sb_root) goto out_unlock; + if ((attr->ia_valid & ATTR_UID) && attr->ia_uid >= 0x10000) + goto out_unlock; + if ((attr->ia_valid & ATTR_GID) && attr->ia_gid >= 0x10000) + goto out_unlock; if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size) goto out_unlock; -- 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/
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