]> asedeno.scripts.mit.edu Git - linux.git/commit
selinux: Add __GFP_NOWARN to allocation at str_read()
authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Fri, 7 Sep 2018 16:42:58 +0000 (01:42 +0900)
committerPaul Moore <paul@paul-moore.com>
Thu, 13 Sep 2018 19:36:25 +0000 (15:36 -0400)
commit4458bba09788e70e8fb39ad003f087cd9dfbd6ac
tree7b7cc06341a6e10d7632e578fed112c5a83c9741
parent95ffe194204ae3cef88d0b59be209204bbe9b3be
selinux: Add __GFP_NOWARN to allocation at str_read()

syzbot is hitting warning at str_read() [1] because len parameter can
become larger than KMALLOC_MAX_SIZE. We don't need to emit warning for
this case.

[1] https://syzkaller.appspot.com/bug?id=7f2f5aad79ea8663c296a2eedb81978401a908f0

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+ac488b9811036cea7ea0@syzkaller.appspotmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
security/selinux/ss/policydb.c