| commit | 9844813f226f6d07e1544e915529cb88f4fcb868 | [log] [tgz] |
|---|---|---|
| author | Mike Frysinger <vapier@gentoo.org> | Sun Jun 14 02:00:02 2009 -0400 |
| committer | Arnd Bergmann <arnd@arndb.de> | Fri Jun 19 14:58:07 2009 +0200 |
| tree | cdf051b38220c6d99a6f4aac372d7b95eda26c6a | |
| parent | 0732f87761dbe417cb6e084b712d07e879e876ef [diff] |
asm-generic: uaccess: add missing access_ok() check to strnlen_user() The strnlen_user() function was missing a access_ok() check on the pointer given. We've had cases on Blackfin systems where test programs caused kernel crashes here because userspace passed up a NULL/-1 pointer and the kernel gladly attempted to run strlen() on it. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>