Re: usb/gadget: warning in dev_config/memdup_user

2016-12-02 Thread Greg Kroah-Hartman
On Fri, Dec 02, 2016 at 04:56:15PM +0100, Greg Kroah-Hartman wrote: > On Fri, Dec 02, 2016 at 04:07:38PM +0100, Andrey Konovalov wrote: > > Hi! > > > > I've got the following error report while running the syzkaller fuzzer. > > > > The length passed to memdup_user() directly without limitations.

Re: usb/gadget: warning in dev_config/memdup_user

2016-12-02 Thread Greg Kroah-Hartman
On Fri, Dec 02, 2016 at 04:07:38PM +0100, Andrey Konovalov wrote: > Hi! > > I've got the following error report while running the syzkaller fuzzer. > > The length passed to memdup_user() directly without limitations. > > On commit 2caceb3294a78c389b462e7e236a4e744a53a474 (Dec 1). > > WARNING: C

usb/gadget: warning in dev_config/memdup_user

2016-12-02 Thread Andrey Konovalov
Hi! I've got the following error report while running the syzkaller fuzzer. The length passed to memdup_user() directly without limitations. On commit 2caceb3294a78c389b462e7e236a4e744a53a474 (Dec 1). WARNING: CPU: 3 PID: 14477 at mm/page_alloc.c:3511 __alloc_pages_nodemask+0x159c/0x1e20 Kernel