]> git.baikalelectronics.ru Git - kernel.git/commit
audit: fix exe_file access in audit_exe_compare
authorMateusz Guzik <mguzik@redhat.com>
Tue, 23 Aug 2016 14:20:39 +0000 (16:20 +0200)
committerPaul Moore <paul@paul-moore.com>
Wed, 31 Aug 2016 20:16:35 +0000 (16:16 -0400)
commit543c36f495db95b61d7c928af83a592151b29b1c
tree6ebac44194021885b9f79e72193ee243391dc7ed
parent5f3ac8b5231af194d8157ce781004e93664c9269
audit: fix exe_file access in audit_exe_compare

Prior to the change the function would blindly deference mm, exe_file
and exe_file->f_inode, each of which could have been NULL or freed.

Use get_task_exe_file to safely obtain stable exe_file.

Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Cc: <stable@vger.kernel.org> # 4.3.x
Signed-off-by: Paul Moore <paul@paul-moore.com>
kernel/audit_watch.c