Re: [RFC][PATCH] Security: fix cap_file_mmap() off-by-one error to avoid kernel null pointer exploit

[wzt wzt]

> The fix to the comment is fine, but you missed the point ENTIRELY.
i'll send a new patch only fix the comment.

> The WHOLE point of being able to set dac_mmap_min_addr == 0 is so you can
> disable the protection. ÂThere exist tools (wine and dosemu) which NEED
> to map the 0 page.
 thanks for explain it, i really understood wrong before.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/