Messages in this thread | | | Date | Wed, 11 Apr 2018 09:20:45 +1000 (AEST) | From | James Morris <> | Subject | Re: KASAN: null-ptr-deref Read in xattr_getsecurity |
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On Tue, 10 Apr 2018, Eric W. Biederman wrote:
> Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> writes: > > > From 904d07a6eb014f3df0c5a1ebfcfd4323276a9a76 Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> > > Date: Tue, 10 Apr 2018 15:15:16 +0900 > > Subject: [PATCH] commoncap: Handle memory allocation failure. > > > > syzbot is reporting NULL pointer dereference at xattr_getsecurity() [1], > > for cap_inode_getsecurity() is returning sizeof(struct vfs_cap_data) when > > memory allocation failed. Return -ENOMEM if memory allocation failed. > > > > [1] https://syzkaller.appspot.com/bug?id=a55ba438506fe68649a5f50d2d82d56b365e0107 > > Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> > > Tetsuo I can pick this up, or do you have preferred path for getting > this change merged? >
It can go via my tree if needed, but otherwise:
Acked-by: James Morris <james.morris@microsoft.com>
-- James Morris <jmorris@namei.org>
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