]> git.baikalelectronics.ru Git - kernel.git/commit
selinux: fix a missing-check bug in selinux_sb_eat_lsm_opts()
authorGen Zhang <blackgod016574@gmail.com>
Wed, 12 Jun 2019 13:55:38 +0000 (21:55 +0800)
committerPaul Moore <paul@paul-moore.com>
Wed, 12 Jun 2019 16:27:26 +0000 (12:27 -0400)
commitdf0f32596aa31cf1c46e57d0202374919f95aee5
tree6e5c0b51a8054b81ed768fbd5973d85661f0625e
parent013cb987eda5b1741a09a68a84b87b5c62bee9f4
selinux: fix a missing-check bug in selinux_sb_eat_lsm_opts()

In selinux_sb_eat_lsm_opts(), 'arg' is allocated by kmemdup_nul(). It
returns NULL when fails. So 'arg' should be checked. And 'mnt_opts'
should be freed when error.

Signed-off-by: Gen Zhang <blackgod016574@gmail.com>
Fixes: b73a5df624bc ("selinux: rewrite selinux_sb_eat_lsm_opts()")
Cc: <stable@vger.kernel.org>
Signed-off-by: Paul Moore <paul@paul-moore.com>
security/selinux/hooks.c