On Sun, May 04, 2014 at 01:03:32PM +0200, Christoph Hellwig wrote: > Various filesystems don't bother checking for a NULL ACL in > posix_acl_equiv_mode, and thus can dereference a NULL pointer when it > gets passed one. This usually happens from the NFS server, as the ACL tools > never pass a NULL ACL, but instead of one representing the mode bits. > > Instead of adding boilerplat to all filesystems put this check into one place, > which will allow us to remove the check from other filesystems as well later > on. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Reported-by: Ben Greear <greearb@xxxxxxxxxxxxxxx> > Reported-by: Marco Munderloh <munderl@xxxxxxxxxxxxxxxxxxx>, > Cc: Chuck Lever <chuck.lever@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Matthew Wilcox <matthew.r.wilcox@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
