Kees Cook 41c13bfcc4 Yama: Check for pid death before checking ancestry ... commit 9474f4e7cd upstream. It's possible that a pid has died before we take the rcu lock, in which case we can't walk the ancestry list as it may be detached. Instead, check for death first before doing the walk. Reported-by: syzbot+a9ac39bf55329e206219@syzkaller.appspotmail.com Fixes: 2d514487fa ("security: Yama LSM") Cc: stable@vger.kernel.org Suggested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <james.morris@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2019-01-23 08:09:48 +01:00
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Kconfig	doc: ReSTify Yama.txt	2017-05-18 10:33:04 -06:00
Makefile	security: Yama LSM	2012-02-10 09:18:52 +11:00
yama_lsm.c	Yama: Check for pid death before checking ancestry	2019-01-23 08:09:48 +01:00