On Wed, Jan 10, 2018 at 06:02:45PM -0800, Kees Cook wrote: > The ext4 symlink pathnames, stored in struct ext4_inode_info.i_data > and therefore contained in the ext4_inode_cache slab cache, need > to be copied to/from userspace. Symlink operations to/from userspace aren't common or in the hot path, and when they are in i_data, limited to at most 60 bytes. Is it worth it to copy through a bounce buffer so as to disallow any usercopies into struct ext4_inode_info? - Ted -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
