On Fri, Nov 18, 2016 at 01:38:40PM -0500, Theodore Ts'o wrote: > Fix a large number of problems with how we handle mount options in the > superblock. For one, if the string in the superblock is long enough > that it is not null terminated, we could run off the end of the string > and try to interpret superblocks fields as characters. It's unlikely > this will cause a security problem, but it could result in an invalid > parse. Also, parse_options is destructive to the string, so in some > cases if there is a comma-separated string, it would be modified in > the superblock. (Fortunately it only happens on file systems with a > 1k block size.) > > Signed-off-by: Theodore Ts'o <tytso@xxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
